Restoring authorship annotation for <serxa@yandex-team.ru>. Commit 2 of 2.

172 files changed, 17873 insertions, 17873 deletions

diff --git a/library/cpp/actors/core/actor.cpp b/library/cpp/actors/core/actor.cpp
index d46d3e9b50..6f9ba6a42b 100644
--- a/library/cpp/actors/core/actor.cpp
+++ b/library/cpp/actors/core/actor.cpp
@@ -1,7 +1,7 @@
 #include "actor.h"
 #include "executor_thread.h"
 #include "mailbox.h"
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 
 namespace NActors {
     Y_POD_THREAD(TActivationContext*)
@@ -88,7 +88,7 @@ namespace NActors {
     }
 
     i64 TActivationContext::GetCurrentEventTicks() {
-        return GetCycleCountFast() - TlsActivationContext->EventStart; 
+        return GetCycleCountFast() - TlsActivationContext->EventStart;
     }
 
     double TActivationContext::GetCurrentEventTicksAsSeconds() {
diff --git a/library/cpp/actors/core/actor_ut.cpp b/library/cpp/actors/core/actor_ut.cpp
index 0146b5a6de..e1b765ec72 100644
--- a/library/cpp/actors/core/actor_ut.cpp
+++ b/library/cpp/actors/core/actor_ut.cpp
@@ -35,7 +35,7 @@ struct TTestEndDecorator : TDecorator {
 };
 
 Y_UNIT_TEST_SUITE(ActorBenchmark) {
-    static constexpr bool DefaultNoRealtime = true; 
+    static constexpr bool DefaultNoRealtime = true;
     static constexpr ui32 DefaultSpinThreshold = 1000000;
     static constexpr ui32 TotalEventsAmount = 1000;
 
@@ -43,49 +43,49 @@ Y_UNIT_TEST_SUITE(ActorBenchmark) {
     public:
         TDummyActor() : TActor<TDummyActor>(&TDummyActor::StateFunc) {}
         STFUNC(StateFunc) {
-            (void)ev; 
+            (void)ev;
             (void)ctx;
         }
     };
 
-    enum ERole { 
-        Leader, 
-        Follower 
-    }; 
- 
+    enum ERole {
+        Leader,
+        Follower
+    };
+
     class TSendReceiveActor : public TActorBootstrapped<TSendReceiveActor> {
     public:
         static constexpr auto ActorActivityType() {
             return ACTORLIB_COMMON;
         }
 
-        TSendReceiveActor(double* elapsedTime, TActorId receiver, bool allocation, ERole role, ui32 neighbours = 0) 
-            : EventsCounter(TotalEventsAmount) 
-            , ElapsedTime(elapsedTime) 
-            , Receiver(receiver) 
-            , AllocatesMemory(allocation) 
-            , Role(role) 
-            , MailboxNeighboursCount(neighbours) 
+        TSendReceiveActor(double* elapsedTime, TActorId receiver, bool allocation, ERole role, ui32 neighbours = 0)
+            : EventsCounter(TotalEventsAmount)
+            , ElapsedTime(elapsedTime)
+            , Receiver(receiver)
+            , AllocatesMemory(allocation)
+            , Role(role)
+            , MailboxNeighboursCount(neighbours)
         {}
 
         void Bootstrap(const TActorContext &ctx) {
             if (!Receiver) {
                 this->Receiver = SelfId();
-            } else { 
-                EventsCounter /= 2; // We want to measure CPU requirement for one-way send 
+            } else {
+                EventsCounter /= 2; // We want to measure CPU requirement for one-way send
             }
             Timer.Reset();
             Become(&TThis::StateFunc);
             for (ui32 i = 0; i < MailboxNeighboursCount; ++i) {
                 ctx.RegisterWithSameMailbox(new TDummyActor());
             }
-            if (Role == Leader) { 
-                Send(Receiver, new TEvents::TEvPing()); 
-            } 
+            if (Role == Leader) {
+                Send(Receiver, new TEvents::TEvPing());
+            }
         }
 
         STATEFN(StateFunc) {
-            if (EventsCounter == 0 && ElapsedTime != nullptr) { 
+            if (EventsCounter == 0 && ElapsedTime != nullptr) {
                 *ElapsedTime = Timer.Passed() / TotalEventsAmount;
                 PassAway();
             }
@@ -97,91 +97,91 @@ Y_UNIT_TEST_SUITE(ActorBenchmark) {
                 ev->DropRewrite();
                 TActivationContext::Send(ev.Release());
             }
-            EventsCounter--; 
+            EventsCounter--;
         }
 
     private:
         THPTimer Timer;
-        ui64 EventsCounter; 
+        ui64 EventsCounter;
         double* ElapsedTime;
         TActorId Receiver;
         bool AllocatesMemory;
-        ERole Role; 
+        ERole Role;
         ui32 MailboxNeighboursCount;
     };
 
-    void AddBasicPool(THolder<TActorSystemSetup>& setup, ui32 threads, bool activateEveryEvent) { 
-        TBasicExecutorPoolConfig basic; 
-        basic.PoolId = setup->GetExecutorsCount(); 
-        basic.PoolName = TStringBuilder() << "b" << basic.PoolId; 
-        basic.Threads = threads; 
-        basic.SpinThreshold = DefaultSpinThreshold; 
-        basic.TimePerMailbox = TDuration::Hours(1); 
-        if (activateEveryEvent) { 
-            basic.EventsPerMailbox = 1; 
-        } else { 
-            basic.EventsPerMailbox = Max<ui32>(); 
+    void AddBasicPool(THolder<TActorSystemSetup>& setup, ui32 threads, bool activateEveryEvent) {
+        TBasicExecutorPoolConfig basic;
+        basic.PoolId = setup->GetExecutorsCount();
+        basic.PoolName = TStringBuilder() << "b" << basic.PoolId;
+        basic.Threads = threads;
+        basic.SpinThreshold = DefaultSpinThreshold;
+        basic.TimePerMailbox = TDuration::Hours(1);
+        if (activateEveryEvent) {
+            basic.EventsPerMailbox = 1;
+        } else {
+            basic.EventsPerMailbox = Max<ui32>();
+        }
+        setup->CpuManager.Basic.emplace_back(std::move(basic));
+    }
+
+    void AddUnitedPool(THolder<TActorSystemSetup>& setup, ui32 concurrency, bool activateEveryEvent) {
+        TUnitedExecutorPoolConfig united;
+        united.PoolId = setup->GetExecutorsCount();
+        united.PoolName = TStringBuilder() << "u" << united.PoolId;
+        united.Concurrency = concurrency;
+        united.TimePerMailbox = TDuration::Hours(1);
+        if (activateEveryEvent) {
+            united.EventsPerMailbox = 1;
+        } else {
+            united.EventsPerMailbox = Max<ui32>();
+        }
+        setup->CpuManager.United.emplace_back(std::move(united));
+    }
+
+    THolder<TActorSystemSetup> GetActorSystemSetup(ui32 unitedCpuCount, bool preemption) {
+        auto setup = MakeHolder<NActors::TActorSystemSetup>();
+        setup->NodeId = 1;
+        setup->CpuManager.UnitedWorkers.CpuCount = unitedCpuCount;
+        setup->CpuManager.UnitedWorkers.SpinThresholdUs = DefaultSpinThreshold;
+        setup->CpuManager.UnitedWorkers.NoRealtime = DefaultNoRealtime;
+        if (preemption) {
+            setup->CpuManager.UnitedWorkers.PoolLimitUs = 500;
+            setup->CpuManager.UnitedWorkers.EventLimitUs = 100;
+            setup->CpuManager.UnitedWorkers.LimitPrecisionUs = 100;
+        } else {
+            setup->CpuManager.UnitedWorkers.PoolLimitUs = 100'000'000'000;
+            setup->CpuManager.UnitedWorkers.EventLimitUs = 10'000'000'000;
+            setup->CpuManager.UnitedWorkers.LimitPrecisionUs = 10'000'000'000;
+        }
+        setup->Scheduler = new TBasicSchedulerThread(NActors::TSchedulerConfig(512, 0));
+        return setup;
+    }
+
+    enum class EPoolType {
+        Basic,
+        United
+    };
+
+    THolder<TActorSystemSetup> InitActorSystemSetup(EPoolType poolType, ui32 poolsCount, ui32 threads, bool activateEveryEvent, bool preemption) {
+        if (poolType == EPoolType::Basic) {
+            THolder<TActorSystemSetup> setup = GetActorSystemSetup(0, false);
+            for (ui32 i = 0; i < poolsCount; ++i) {
+                AddBasicPool(setup, threads, activateEveryEvent);
+            }
+            return setup;
+        } else if (poolType == EPoolType::United) {
+            THolder<TActorSystemSetup> setup = GetActorSystemSetup(poolsCount * threads, preemption);
+            for (ui32 i = 0; i < poolsCount; ++i) {
+                AddUnitedPool(setup, threads, activateEveryEvent);
+            }
+            return setup;
         }
-        setup->CpuManager.Basic.emplace_back(std::move(basic)); 
-    } 
-
-    void AddUnitedPool(THolder<TActorSystemSetup>& setup, ui32 concurrency, bool activateEveryEvent) { 
-        TUnitedExecutorPoolConfig united; 
-        united.PoolId = setup->GetExecutorsCount(); 
-        united.PoolName = TStringBuilder() << "u" << united.PoolId; 
-        united.Concurrency = concurrency; 
-        united.TimePerMailbox = TDuration::Hours(1); 
-        if (activateEveryEvent) { 
-            united.EventsPerMailbox = 1; 
-        } else { 
-            united.EventsPerMailbox = Max<ui32>(); 
-        } 
-        setup->CpuManager.United.emplace_back(std::move(united)); 
-    } 
- 
-    THolder<TActorSystemSetup> GetActorSystemSetup(ui32 unitedCpuCount, bool preemption) { 
-        auto setup = MakeHolder<NActors::TActorSystemSetup>(); 
-        setup->NodeId = 1; 
-        setup->CpuManager.UnitedWorkers.CpuCount = unitedCpuCount; 
-        setup->CpuManager.UnitedWorkers.SpinThresholdUs = DefaultSpinThreshold; 
-        setup->CpuManager.UnitedWorkers.NoRealtime = DefaultNoRealtime; 
-        if (preemption) { 
-            setup->CpuManager.UnitedWorkers.PoolLimitUs = 500; 
-            setup->CpuManager.UnitedWorkers.EventLimitUs = 100; 
-            setup->CpuManager.UnitedWorkers.LimitPrecisionUs = 100; 
-        } else { 
-            setup->CpuManager.UnitedWorkers.PoolLimitUs = 100'000'000'000; 
-            setup->CpuManager.UnitedWorkers.EventLimitUs = 10'000'000'000; 
-            setup->CpuManager.UnitedWorkers.LimitPrecisionUs = 10'000'000'000; 
-        } 
-        setup->Scheduler = new TBasicSchedulerThread(NActors::TSchedulerConfig(512, 0)); 
-        return setup; 
-    } 
- 
-    enum class EPoolType { 
-        Basic, 
-        United 
-    }; 
- 
-    THolder<TActorSystemSetup> InitActorSystemSetup(EPoolType poolType, ui32 poolsCount, ui32 threads, bool activateEveryEvent, bool preemption) { 
-        if (poolType == EPoolType::Basic) { 
-            THolder<TActorSystemSetup> setup = GetActorSystemSetup(0, false); 
-            for (ui32 i = 0; i < poolsCount; ++i) { 
-                AddBasicPool(setup, threads, activateEveryEvent); 
-            } 
-            return setup; 
-        } else if (poolType == EPoolType::United) { 
-            THolder<TActorSystemSetup> setup = GetActorSystemSetup(poolsCount * threads, preemption); 
-            for (ui32 i = 0; i < poolsCount; ++i) { 
-                AddUnitedPool(setup, threads, activateEveryEvent); 
-            } 
-            return setup; 
-        } 
-        Y_FAIL(); 
-    } 
- 
-    double BenchSendReceive(bool allocation, NActors::TMailboxType::EType mType, EPoolType poolType) { 
-        THolder<TActorSystemSetup> setup = InitActorSystemSetup(poolType, 1, 1, false, false); 
+        Y_FAIL();
+    }
+
+    double BenchSendReceive(bool allocation, NActors::TMailboxType::EType mType, EPoolType poolType) {
+        THolder<TActorSystemSetup> setup = InitActorSystemSetup(poolType, 1, 1, false, false);
         TActorSystem actorSystem(setup);
         actorSystem.Start();
 
@@ -197,86 +197,86 @@ Y_UNIT_TEST_SUITE(ActorBenchmark) {
         pad.Park();
         actorSystem.Stop();
 
-        return 1e9 * elapsedTime; 
+        return 1e9 * elapsedTime;
     }
 
-    double BenchSendActivateReceive(ui32 poolsCount, ui32 threads, bool allocation, EPoolType poolType) { 
-        THolder<TActorSystemSetup> setup = InitActorSystemSetup(poolType, poolsCount, threads, true, false); 
-        TActorSystem actorSystem(setup); 
+    double BenchSendActivateReceive(ui32 poolsCount, ui32 threads, bool allocation, EPoolType poolType) {
+        THolder<TActorSystemSetup> setup = InitActorSystemSetup(poolType, poolsCount, threads, true, false);
+        TActorSystem actorSystem(setup);
         actorSystem.Start();
 
         TThreadParkPad pad;
         TAtomic actorsAlive = 0;
         double elapsedTime = 0;
-        ui32 followerPoolId = 0; 
+        ui32 followerPoolId = 0;
 
-        ui32 leaderPoolId = poolsCount == 1 ? 0 : 1; 
-        TActorId followerId = actorSystem.Register( 
-            new TSendReceiveActor(nullptr, {}, allocation, Follower), TMailboxType::HTSwap, followerPoolId); 
+        ui32 leaderPoolId = poolsCount == 1 ? 0 : 1;
+        TActorId followerId = actorSystem.Register(
+            new TSendReceiveActor(nullptr, {}, allocation, Follower), TMailboxType::HTSwap, followerPoolId);
         THolder<IActor> leader{
             new TTestEndDecorator(THolder(
                 new TSendReceiveActor(&elapsedTime, followerId, allocation, Leader)), &pad, &actorsAlive)};
-        actorSystem.Register(leader.Release(), TMailboxType::HTSwap, leaderPoolId); 
- 
+        actorSystem.Register(leader.Release(), TMailboxType::HTSwap, leaderPoolId);
+
         pad.Park();
         actorSystem.Stop();
 
-        return 1e9 * elapsedTime; 
+        return 1e9 * elapsedTime;
     }
 
-    double BenchSendActivateReceiveWithMailboxNeighbours(ui32 MailboxNeighbourActors, EPoolType poolType) { 
-        THolder<TActorSystemSetup> setup = InitActorSystemSetup(poolType, 1, 1, false, false); 
-        TActorSystem actorSystem(setup); 
+    double BenchSendActivateReceiveWithMailboxNeighbours(ui32 MailboxNeighbourActors, EPoolType poolType) {
+        THolder<TActorSystemSetup> setup = InitActorSystemSetup(poolType, 1, 1, false, false);
+        TActorSystem actorSystem(setup);
         actorSystem.Start();
 
         TThreadParkPad pad;
         TAtomic actorsAlive = 0;
         double elapsedTime = 0;
 
-        TActorId followerId = actorSystem.Register( 
-            new TSendReceiveActor(nullptr, {}, false, Follower, MailboxNeighbourActors), TMailboxType::HTSwap); 
+        TActorId followerId = actorSystem.Register(
+            new TSendReceiveActor(nullptr, {}, false, Follower, MailboxNeighbourActors), TMailboxType::HTSwap);
         THolder<IActor> leader{
             new TTestEndDecorator(THolder(
                 new TSendReceiveActor(&elapsedTime, followerId, false, Leader, MailboxNeighbourActors)), &pad, &actorsAlive)};
-        actorSystem.Register(leader.Release(), TMailboxType::HTSwap); 
+        actorSystem.Register(leader.Release(), TMailboxType::HTSwap);
 
         pad.Park();
         actorSystem.Stop();
 
-        return 1e9 * elapsedTime; 
+        return 1e9 * elapsedTime;
     }
 
-    double BenchContentedThreads(ui32 threads, ui32 actorsPairsCount, EPoolType poolType) { 
-        THolder<TActorSystemSetup> setup = InitActorSystemSetup(poolType, 1, threads, true, false); 
-        TActorSystem actorSystem(setup); 
+    double BenchContentedThreads(ui32 threads, ui32 actorsPairsCount, EPoolType poolType) {
+        THolder<TActorSystemSetup> setup = InitActorSystemSetup(poolType, 1, threads, true, false);
+        TActorSystem actorSystem(setup);
         actorSystem.Start();
 
         TThreadParkPad pad;
         TAtomic actorsAlive = 0;
         THPTimer Timer;
 
-        TVector<double> dummy(actorsPairsCount); 
+        TVector<double> dummy(actorsPairsCount);
         Timer.Reset();
         for (ui32 i = 0; i < actorsPairsCount; ++i) {
-            ui32 followerPoolId = 0; 
-            ui32 leaderPoolId = 0; 
-            TActorId followerId = actorSystem.Register( 
-                new TSendReceiveActor(nullptr, {}, true, Follower), TMailboxType::HTSwap, followerPoolId); 
+            ui32 followerPoolId = 0;
+            ui32 leaderPoolId = 0;
+            TActorId followerId = actorSystem.Register(
+                new TSendReceiveActor(nullptr, {}, true, Follower), TMailboxType::HTSwap, followerPoolId);
             THolder<IActor> leader{
                 new TTestEndDecorator(THolder(
                     new TSendReceiveActor(&dummy[i], followerId, true, Leader)), &pad, &actorsAlive)};
-            actorSystem.Register(leader.Release(), TMailboxType::HTSwap, leaderPoolId); 
+            actorSystem.Register(leader.Release(), TMailboxType::HTSwap, leaderPoolId);
         }
 
         pad.Park();
         auto elapsedTime = Timer.Passed() / TotalEventsAmount;
         actorSystem.Stop();
 
-        return 1e9 * elapsedTime; 
+        return 1e9 * elapsedTime;
     }
 
     auto Mean(const TVector<double>& data) {
-        return Accumulate(data.begin(), data.end(), 0.0) / data.size(); 
+        return Accumulate(data.begin(), data.end(), 0.0) / data.size();
     }
 
     auto Deviation(const TVector<double>& data) {
@@ -285,19 +285,19 @@ Y_UNIT_TEST_SUITE(ActorBenchmark) {
         for (const auto& x : data) {
             deviation += (x - mean) * (x - mean);
         }
-        return std::sqrt(deviation / data.size()); 
+        return std::sqrt(deviation / data.size());
     }
 
     struct TStats {
         double Mean;
         double Deviation;
         TString ToString() {
-            return TStringBuilder() << Mean << " ± " << Deviation << " ns " << std::ceil(Deviation / Mean * 1000) / 10.0 << "%"; 
+            return TStringBuilder() << Mean << " ± " << Deviation << " ns " << std::ceil(Deviation / Mean * 1000) / 10.0 << "%";
         }
     };
 
     template <typename Func>
-    TStats CountStats(Func func, ui32 itersCount = 5) { 
+    TStats CountStats(Func func, ui32 itersCount = 5) {
         TVector<double> elapsedTimes;
         for (ui32 i = 0; i < itersCount; ++i) {
             auto elapsedTime = func();
@@ -314,171 +314,171 @@ Y_UNIT_TEST_SUITE(ActorBenchmark) {
         TMailboxType::TinyReadAsFilled
     };
 
-    Y_UNIT_TEST(SendReceive1Pool1ThreadAlloc) { 
+    Y_UNIT_TEST(SendReceive1Pool1ThreadAlloc) {
+        for (const auto& mType : MailboxTypes) {
+            auto stats = CountStats([mType] {
+                return BenchSendReceive(true, mType, EPoolType::Basic);
+            });
+            Cerr << stats.ToString() << " " << mType << Endl;
+        }
+    }
+
+    Y_UNIT_TEST(SendReceive1Pool1ThreadAllocUnited) {
         for (const auto& mType : MailboxTypes) {
             auto stats = CountStats([mType] {
-                return BenchSendReceive(true, mType, EPoolType::Basic); 
+                return BenchSendReceive(true, mType, EPoolType::United);
             });
             Cerr << stats.ToString() << " " << mType << Endl;
         }
     }
 
-    Y_UNIT_TEST(SendReceive1Pool1ThreadAllocUnited) { 
-        for (const auto& mType : MailboxTypes) { 
-            auto stats = CountStats([mType] { 
-                return BenchSendReceive(true, mType, EPoolType::United); 
-            }); 
-            Cerr << stats.ToString() << " " << mType << Endl; 
-        } 
-    } 
- 
     Y_UNIT_TEST(SendReceive1Pool1ThreadNoAlloc) {
         for (const auto& mType : MailboxTypes) {
             auto stats = CountStats([mType] {
-                return BenchSendReceive(false, mType, EPoolType::Basic); 
+                return BenchSendReceive(false, mType, EPoolType::Basic);
             });
             Cerr << stats.ToString() << " " << mType << Endl;
         }
     }
- 
-    Y_UNIT_TEST(SendReceive1Pool1ThreadNoAllocUnited) { 
-        for (const auto& mType : MailboxTypes) { 
-            auto stats = CountStats([mType] { 
-                return BenchSendReceive(false, mType, EPoolType::United); 
-            }); 
-            Cerr << stats.ToString() << " " << mType << Endl; 
-        } 
-    } 
- 
+
+    Y_UNIT_TEST(SendReceive1Pool1ThreadNoAllocUnited) {
+        for (const auto& mType : MailboxTypes) {
+            auto stats = CountStats([mType] {
+                return BenchSendReceive(false, mType, EPoolType::United);
+            });
+            Cerr << stats.ToString() << " " << mType << Endl;
+        }
+    }
+
     Y_UNIT_TEST(SendActivateReceive1Pool1ThreadAlloc) {
         auto stats = CountStats([] {
-            return BenchSendActivateReceive(1, 1, true, EPoolType::Basic); 
+            return BenchSendActivateReceive(1, 1, true, EPoolType::Basic);
+        });
+        Cerr << stats.ToString() << Endl;
+    }
+
+    Y_UNIT_TEST(SendActivateReceive1Pool1ThreadAllocUnited) {
+        auto stats = CountStats([] {
+            return BenchSendActivateReceive(1, 1, true, EPoolType::United);
         });
         Cerr << stats.ToString() << Endl;
     }
 
-    Y_UNIT_TEST(SendActivateReceive1Pool1ThreadAllocUnited) { 
-        auto stats = CountStats([] { 
-            return BenchSendActivateReceive(1, 1, true, EPoolType::United); 
-        }); 
-        Cerr << stats.ToString() << Endl; 
-    } 
- 
     Y_UNIT_TEST(SendActivateReceive1Pool1ThreadNoAlloc) {
         auto stats = CountStats([] {
-            return BenchSendActivateReceive(1, 1, false, EPoolType::Basic); 
+            return BenchSendActivateReceive(1, 1, false, EPoolType::Basic);
+        });
+        Cerr << stats.ToString() << Endl;
+    }
+
+    Y_UNIT_TEST(SendActivateReceive1Pool1ThreadNoAllocUnited) {
+        auto stats = CountStats([] {
+            return BenchSendActivateReceive(1, 1, false, EPoolType::United);
         });
         Cerr << stats.ToString() << Endl;
     }
 
-    Y_UNIT_TEST(SendActivateReceive1Pool1ThreadNoAllocUnited) { 
-        auto stats = CountStats([] { 
-            return BenchSendActivateReceive(1, 1, false, EPoolType::United); 
-        }); 
-        Cerr << stats.ToString() << Endl; 
-    } 
- 
     Y_UNIT_TEST(SendActivateReceive1Pool2ThreadsAlloc) {
         auto stats = CountStats([] {
-            return BenchSendActivateReceive(1, 2, true, EPoolType::Basic); 
+            return BenchSendActivateReceive(1, 2, true, EPoolType::Basic);
+        });
+        Cerr << stats.ToString() << Endl;
+    }
+
+    Y_UNIT_TEST(SendActivateReceive1Pool2ThreadsAllocUnited) {
+        auto stats = CountStats([] {
+            return BenchSendActivateReceive(1, 2, true, EPoolType::United);
         });
         Cerr << stats.ToString() << Endl;
     }
 
-    Y_UNIT_TEST(SendActivateReceive1Pool2ThreadsAllocUnited) { 
-        auto stats = CountStats([] { 
-            return BenchSendActivateReceive(1, 2, true, EPoolType::United); 
-        }); 
-        Cerr << stats.ToString() << Endl; 
-    } 
- 
     Y_UNIT_TEST(SendActivateReceive1Pool2ThreadsNoAlloc) {
         auto stats = CountStats([] {
-            return BenchSendActivateReceive(1, 2, false, EPoolType::Basic); 
+            return BenchSendActivateReceive(1, 2, false, EPoolType::Basic);
+        });
+        Cerr << stats.ToString() << Endl;
+    }
+
+    Y_UNIT_TEST(SendActivateReceive1Pool2ThreadsNoAllocUnited) {
+        auto stats = CountStats([] {
+            return BenchSendActivateReceive(1, 2, false, EPoolType::United);
+        });
+        Cerr << stats.ToString() << Endl;
+    }
+
+    Y_UNIT_TEST(SendActivateReceive2Pool1ThreadAlloc) {
+        auto stats = CountStats([] {
+            return BenchSendActivateReceive(2, 1, true, EPoolType::Basic);
+        });
+        Cerr << stats.ToString() << Endl;
+    }
+
+    Y_UNIT_TEST(SendActivateReceive2Pool1ThreadAllocUnited) {
+        auto stats = CountStats([] {
+            return BenchSendActivateReceive(2, 1, true, EPoolType::United);
         });
         Cerr << stats.ToString() << Endl;
     }
 
-    Y_UNIT_TEST(SendActivateReceive1Pool2ThreadsNoAllocUnited) { 
+    Y_UNIT_TEST(SendActivateReceive2Pool1ThreadNoAlloc) {
         auto stats = CountStats([] {
-            return BenchSendActivateReceive(1, 2, false, EPoolType::United); 
+            return BenchSendActivateReceive(2, 1, false, EPoolType::Basic);
         });
         Cerr << stats.ToString() << Endl;
     }
 
-    Y_UNIT_TEST(SendActivateReceive2Pool1ThreadAlloc) { 
+    Y_UNIT_TEST(SendActivateReceive2Pool1ThreadNoAllocUnited) {
         auto stats = CountStats([] {
-            return BenchSendActivateReceive(2, 1, true, EPoolType::Basic); 
+            return BenchSendActivateReceive(2, 1, false, EPoolType::United);
         });
         Cerr << stats.ToString() << Endl;
     }
 
-    Y_UNIT_TEST(SendActivateReceive2Pool1ThreadAllocUnited) { 
-        auto stats = CountStats([] { 
-            return BenchSendActivateReceive(2, 1, true, EPoolType::United); 
-        }); 
-        Cerr << stats.ToString() << Endl; 
-    }
-
-    Y_UNIT_TEST(SendActivateReceive2Pool1ThreadNoAlloc) { 
-        auto stats = CountStats([] { 
-            return BenchSendActivateReceive(2, 1, false, EPoolType::Basic); 
-        }); 
-        Cerr << stats.ToString() << Endl; 
-    }
-
-    Y_UNIT_TEST(SendActivateReceive2Pool1ThreadNoAllocUnited) { 
-        auto stats = CountStats([] { 
-            return BenchSendActivateReceive(2, 1, false, EPoolType::United); 
-        }); 
-        Cerr << stats.ToString() << Endl; 
-    }
-
-    void RunBenchContentedThreads(ui32 threads, EPoolType poolType) { 
-        for (ui32 actorPairs = 1; actorPairs <= 2 * threads; actorPairs++) { 
-            auto stats = CountStats([threads, actorPairs, poolType] { 
-                return BenchContentedThreads(threads, actorPairs, poolType); 
-            }); 
-            Cerr << stats.ToString() << " actorPairs: " << actorPairs << Endl; 
-        } 
-    }
-
-    Y_UNIT_TEST(SendActivateReceive1Pool1Threads)       { RunBenchContentedThreads(1, EPoolType::Basic);  } 
-    Y_UNIT_TEST(SendActivateReceive1Pool1ThreadsUnited) { RunBenchContentedThreads(1, EPoolType::United); } 
-    Y_UNIT_TEST(SendActivateReceive1Pool2Threads)       { RunBenchContentedThreads(2, EPoolType::Basic);  } 
-    Y_UNIT_TEST(SendActivateReceive1Pool2ThreadsUnited) { RunBenchContentedThreads(2, EPoolType::United); } 
-    Y_UNIT_TEST(SendActivateReceive1Pool3Threads)       { RunBenchContentedThreads(3, EPoolType::Basic);  } 
-    Y_UNIT_TEST(SendActivateReceive1Pool3ThreadsUnited) { RunBenchContentedThreads(3, EPoolType::United); } 
-    Y_UNIT_TEST(SendActivateReceive1Pool4Threads)       { RunBenchContentedThreads(4, EPoolType::Basic);  } 
-    Y_UNIT_TEST(SendActivateReceive1Pool4ThreadsUnited) { RunBenchContentedThreads(4, EPoolType::United); } 
-    Y_UNIT_TEST(SendActivateReceive1Pool5Threads)       { RunBenchContentedThreads(5, EPoolType::Basic);  } 
-    Y_UNIT_TEST(SendActivateReceive1Pool5ThreadsUnited) { RunBenchContentedThreads(5, EPoolType::United); } 
-    Y_UNIT_TEST(SendActivateReceive1Pool6Threads)       { RunBenchContentedThreads(6, EPoolType::Basic);  } 
-    Y_UNIT_TEST(SendActivateReceive1Pool6ThreadsUnited) { RunBenchContentedThreads(6, EPoolType::United); } 
-    Y_UNIT_TEST(SendActivateReceive1Pool7Threads)       { RunBenchContentedThreads(7, EPoolType::Basic);  } 
-    Y_UNIT_TEST(SendActivateReceive1Pool7ThreadsUnited) { RunBenchContentedThreads(7, EPoolType::United); } 
-    Y_UNIT_TEST(SendActivateReceive1Pool8Threads)       { RunBenchContentedThreads(8, EPoolType::Basic);  } 
-    Y_UNIT_TEST(SendActivateReceive1Pool8ThreadsUnited) { RunBenchContentedThreads(8, EPoolType::United); } 
- 
+    void RunBenchContentedThreads(ui32 threads, EPoolType poolType) {
+        for (ui32 actorPairs = 1; actorPairs <= 2 * threads; actorPairs++) {
+            auto stats = CountStats([threads, actorPairs, poolType] {
+                return BenchContentedThreads(threads, actorPairs, poolType);
+            });
+            Cerr << stats.ToString() << " actorPairs: " << actorPairs << Endl;
+        }
+    }
+
+    Y_UNIT_TEST(SendActivateReceive1Pool1Threads)       { RunBenchContentedThreads(1, EPoolType::Basic);  }
+    Y_UNIT_TEST(SendActivateReceive1Pool1ThreadsUnited) { RunBenchContentedThreads(1, EPoolType::United); }
+    Y_UNIT_TEST(SendActivateReceive1Pool2Threads)       { RunBenchContentedThreads(2, EPoolType::Basic);  }
+    Y_UNIT_TEST(SendActivateReceive1Pool2ThreadsUnited) { RunBenchContentedThreads(2, EPoolType::United); }
+    Y_UNIT_TEST(SendActivateReceive1Pool3Threads)       { RunBenchContentedThreads(3, EPoolType::Basic);  }
+    Y_UNIT_TEST(SendActivateReceive1Pool3ThreadsUnited) { RunBenchContentedThreads(3, EPoolType::United); }
+    Y_UNIT_TEST(SendActivateReceive1Pool4Threads)       { RunBenchContentedThreads(4, EPoolType::Basic);  }
+    Y_UNIT_TEST(SendActivateReceive1Pool4ThreadsUnited) { RunBenchContentedThreads(4, EPoolType::United); }
+    Y_UNIT_TEST(SendActivateReceive1Pool5Threads)       { RunBenchContentedThreads(5, EPoolType::Basic);  }
+    Y_UNIT_TEST(SendActivateReceive1Pool5ThreadsUnited) { RunBenchContentedThreads(5, EPoolType::United); }
+    Y_UNIT_TEST(SendActivateReceive1Pool6Threads)       { RunBenchContentedThreads(6, EPoolType::Basic);  }
+    Y_UNIT_TEST(SendActivateReceive1Pool6ThreadsUnited) { RunBenchContentedThreads(6, EPoolType::United); }
+    Y_UNIT_TEST(SendActivateReceive1Pool7Threads)       { RunBenchContentedThreads(7, EPoolType::Basic);  }
+    Y_UNIT_TEST(SendActivateReceive1Pool7ThreadsUnited) { RunBenchContentedThreads(7, EPoolType::United); }
+    Y_UNIT_TEST(SendActivateReceive1Pool8Threads)       { RunBenchContentedThreads(8, EPoolType::Basic);  }
+    Y_UNIT_TEST(SendActivateReceive1Pool8ThreadsUnited) { RunBenchContentedThreads(8, EPoolType::United); }
+
     Y_UNIT_TEST(SendActivateReceiveWithMailboxNeighbours) {
         TVector<ui32> NeighbourActors = {0, 1, 2, 3, 4, 5, 6, 7, 8, 16, 32, 64, 128, 256};
         for (const auto& neighbour : NeighbourActors) {
             auto stats = CountStats([neighbour] {
-                return BenchSendActivateReceiveWithMailboxNeighbours(neighbour, EPoolType::Basic); 
+                return BenchSendActivateReceiveWithMailboxNeighbours(neighbour, EPoolType::Basic);
+            });
+            Cerr << stats.ToString() << " neighbourActors: " << neighbour << Endl;
+        }
+    }
+
+    Y_UNIT_TEST(SendActivateReceiveWithMailboxNeighboursUnited) {
+        TVector<ui32> NeighbourActors = {0, 1, 2, 3, 4, 5, 6, 7, 8, 16, 32, 64, 128, 256};
+        for (const auto& neighbour : NeighbourActors) {
+            auto stats = CountStats([neighbour] {
+                return BenchSendActivateReceiveWithMailboxNeighbours(neighbour, EPoolType::United);
             });
-            Cerr << stats.ToString() << " neighbourActors: " << neighbour << Endl; 
+            Cerr << stats.ToString() << " neighbourActors: " << neighbour << Endl;
         }
     }
- 
-    Y_UNIT_TEST(SendActivateReceiveWithMailboxNeighboursUnited) { 
-        TVector<ui32> NeighbourActors = {0, 1, 2, 3, 4, 5, 6, 7, 8, 16, 32, 64, 128, 256}; 
-        for (const auto& neighbour : NeighbourActors) { 
-            auto stats = CountStats([neighbour] { 
-                return BenchSendActivateReceiveWithMailboxNeighbours(neighbour, EPoolType::United); 
-            }); 
-            Cerr << stats.ToString() << " neighbourActors: " << neighbour << Endl; 
-        } 
-    } 
 }
 
 Y_UNIT_TEST_SUITE(TestDecorator) {
diff --git a/library/cpp/actors/core/actorid.h b/library/cpp/actors/core/actorid.h
index b8c41f5dd8..d972b1a0ff 100644
--- a/library/cpp/actors/core/actorid.h
+++ b/library/cpp/actors/core/actorid.h
@@ -180,7 +180,7 @@ namespace NActors {
     };
 
     static_assert(sizeof(TActorId) == 16, "expect sizeof(TActorId) == 16");
-    static_assert(MaxPools < TActorId::MaxPoolID); // current implementation of united pool has limit MaxPools on pool id 
+    static_assert(MaxPools < TActorId::MaxPoolID); // current implementation of united pool has limit MaxPools on pool id
 }
 
 template <>
diff --git a/library/cpp/actors/core/actorsystem.cpp b/library/cpp/actors/core/actorsystem.cpp
index b2bed85f92..c58698a206 100644
--- a/library/cpp/actors/core/actorsystem.cpp
+++ b/library/cpp/actors/core/actorsystem.cpp
@@ -1,7 +1,7 @@
 #include "defs.h"
 #include "actorsystem.h"
 #include "callstack.h"
-#include "cpu_manager.h" 
+#include "cpu_manager.h"
 #include "mailbox.h"
 #include "events.h"
 #include "interconnect.h"
@@ -9,10 +9,10 @@
 #include "scheduler_queue.h"
 #include "scheduler_actor.h"
 #include "log.h"
-#include "probes.h" 
+#include "probes.h"
 #include "ask.h"
 #include <library/cpp/actors/util/affinity.h>
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 #include <util/generic/hash.h>
 #include <util/system/rwlock.h>
 #include <util/random/random.h>
@@ -38,8 +38,8 @@ namespace NActors {
     TActorSystem::TActorSystem(THolder<TActorSystemSetup>& setup, void* appData,
                                TIntrusivePtr<NLog::TSettings> loggerSettings)
         : NodeId(setup->NodeId)
-        , CpuManager(new TCpuManager(setup)) 
-        , ExecutorPoolCount(CpuManager->GetExecutorsCount()) 
+        , CpuManager(new TCpuManager(setup))
+        , ExecutorPoolCount(CpuManager->GetExecutorsCount())
         , Scheduler(setup->Scheduler)
         , InterconnectCount((ui32)setup->Interconnect.ProxyActors.size())
         , CurrentTimestamp(0)
@@ -105,10 +105,10 @@ namespace NActors {
         Y_VERIFY_DEBUG(recipient == ev->GetRecipientRewrite());
         const ui32 recpPool = recipient.PoolID();
         if (recipient && recpPool < ExecutorPoolCount) {
-            if (CpuManager->GetExecutorPool(recpPool)->Send(ev)) { 
+            if (CpuManager->GetExecutorPool(recpPool)->Send(ev)) {
                 return true;
-            } 
-        } 
+            }
+        }
 
         Send(ev->ForwardOnNondelivery(TEvents::TEvUndelivered::ReasonActorUnknown));
         return false;
@@ -142,7 +142,7 @@ namespace NActors {
                                     const TActorId& parentId) {
         Y_VERIFY(executorPool < ExecutorPoolCount, "executorPool# %" PRIu32 ", ExecutorPoolCount# %" PRIu32,
                  (ui32)executorPool, (ui32)ExecutorPoolCount);
-        return CpuManager->GetExecutorPool(executorPool)->Register(actor, mailboxType, revolvingCounter, parentId); 
+        return CpuManager->GetExecutorPool(executorPool)->Register(actor, mailboxType, revolvingCounter, parentId);
     }
 
     NThreading::TFuture<THolder<IEventBase>> TActorSystem::AskGeneric(TMaybe<ui32> expectedEventType,
@@ -199,20 +199,20 @@ namespace NActors {
         return ServiceMap->RegisterLocalService(serviceId, actorId);
     }
 
-    void TActorSystem::GetPoolStats(ui32 poolId, TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const { 
-        CpuManager->GetPoolStats(poolId, poolStats, statsCopy); 
-    } 
- 
+    void TActorSystem::GetPoolStats(ui32 poolId, TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const {
+        CpuManager->GetPoolStats(poolId, poolStats, statsCopy);
+    }
+
     void TActorSystem::Start() {
         Y_VERIFY(StartExecuted == false);
         StartExecuted = true;
 
-        ScheduleQueue.Reset(new NSchedulerQueue::TQueueType()); 
+        ScheduleQueue.Reset(new NSchedulerQueue::TQueueType());
         TVector<NSchedulerQueue::TReader*> scheduleReaders;
         scheduleReaders.push_back(&ScheduleQueue->Reader);
-        CpuManager->PrepareStart(scheduleReaders, this); 
+        CpuManager->PrepareStart(scheduleReaders, this);
         Scheduler->Prepare(this, &CurrentTimestamp, &CurrentMonotonic);
-        Scheduler->PrepareSchedules(&scheduleReaders.front(), (ui32)scheduleReaders.size()); 
+        Scheduler->PrepareSchedules(&scheduleReaders.front(), (ui32)scheduleReaders.size());
 
         // setup interconnect proxies
         {
@@ -243,7 +243,7 @@ namespace NActors {
         SystemSetup.Destroy();
 
         Scheduler->PrepareStart();
-        CpuManager->Start(); 
+        CpuManager->Start();
         Send(MakeSchedulerActorId(), new TEvSchedulerInitialize(scheduleReaders, &CurrentTimestamp, &CurrentMonotonic));
         Scheduler->Start();
     }
@@ -259,9 +259,9 @@ namespace NActors {
         }
 
         Scheduler->PrepareStop();
-        CpuManager->PrepareStop(); 
+        CpuManager->PrepareStop();
         Scheduler->Stop();
-        CpuManager->Shutdown(); 
+        CpuManager->Shutdown();
     }
 
     void TActorSystem::Cleanup() {
@@ -269,7 +269,7 @@ namespace NActors {
         if (CleanupExecuted || !StartExecuted)
             return;
         CleanupExecuted = true;
-        CpuManager->Cleanup(); 
+        CpuManager->Cleanup();
         Scheduler.Destroy();
     }
 
diff --git a/library/cpp/actors/core/actorsystem.h b/library/cpp/actors/core/actorsystem.h
index d6d88ba0c2..40499d7586 100644
--- a/library/cpp/actors/core/actorsystem.h
+++ b/library/cpp/actors/core/actorsystem.h
@@ -1,27 +1,27 @@
 #pragma once
 
 #include "defs.h"
- 
-#include "actor.h" 
-#include "balancer.h" 
-#include "config.h" 
+
+#include "actor.h"
+#include "balancer.h"
+#include "config.h"
 #include "event.h"
 #include "log_settings.h"
 #include "scheduler_cookie.h"
 #include "mon_stats.h"
- 
+
 #include <library/cpp/threading/future/future.h>
 #include <library/cpp/actors/util/ticket_lock.h>
- 
+
 #include <util/generic/vector.h>
 #include <util/datetime/base.h>
 #include <util/system/mutex.h>
 
 namespace NActors {
     class TActorSystem;
-    class TCpuManager; 
+    class TCpuManager;
     class IExecutorPool;
-    struct TWorkerContext; 
+    struct TWorkerContext;
 
     inline TActorId MakeInterconnectProxyId(ui32 destNodeId) {
         char data[12];
@@ -62,9 +62,9 @@ namespace NActors {
         virtual ~IExecutorPool() {
         }
 
-        // for workers 
-        virtual ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) = 0; 
-        virtual void ReclaimMailbox(TMailboxType::EType mailboxType, ui32 hint, TWorkerId workerId, ui64 revolvingCounter) = 0; 
+        // for workers
+        virtual ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) = 0;
+        virtual void ReclaimMailbox(TMailboxType::EType mailboxType, ui32 hint, TWorkerId workerId, ui64 revolvingCounter) = 0;
 
         /**
          * Schedule one-shot event that will be send at given time point in the future.
@@ -72,9 +72,9 @@ namespace NActors {
          * @param deadline   the wallclock time point in future when event must be send
          * @param ev         the event to send
          * @param cookie     cookie that will be piggybacked with event
-         * @param workerId   index of thread which will perform event dispatching 
+         * @param workerId   index of thread which will perform event dispatching
          */
-        virtual void Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) = 0; 
+        virtual void Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) = 0;
 
         /**
          * Schedule one-shot event that will be send at given time point in the future.
@@ -82,9 +82,9 @@ namespace NActors {
          * @param deadline   the monotonic time point in future when event must be send
          * @param ev         the event to send
          * @param cookie     cookie that will be piggybacked with event
-         * @param workerId   index of thread which will perform event dispatching 
+         * @param workerId   index of thread which will perform event dispatching
          */
-        virtual void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) = 0; 
+        virtual void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) = 0;
 
         /**
          * Schedule one-shot event that will be send after given delay.
@@ -92,9 +92,9 @@ namespace NActors {
          * @param delta      the time from now to delay event sending
          * @param ev         the event to send
          * @param cookie     cookie that will be piggybacked with event
-         * @param workerId   index of thread which will perform event dispatching 
+         * @param workerId   index of thread which will perform event dispatching
          */
-        virtual void Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) = 0; 
+        virtual void Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) = 0;
 
         // for actorsystem
         virtual bool Send(TAutoPtr<IEventHandle>& ev) = 0;
@@ -104,7 +104,7 @@ namespace NActors {
         virtual TActorId Register(IActor* actor, TMailboxHeader* mailbox, ui32 hint, const TActorId& parentId) = 0;
 
         // lifecycle stuff
-        virtual void Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) = 0; 
+        virtual void Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) = 0;
         virtual void Start() = 0;
         virtual void PrepareStop() = 0;
         virtual void Shutdown() = 0;
@@ -115,7 +115,7 @@ namespace NActors {
             Y_UNUSED(poolStats);
             Y_UNUSED(statsCopy);
         }
- 
+
         virtual TString GetName() const {
             return TString();
         }
@@ -127,7 +127,7 @@ namespace NActors {
         // generic
         virtual TAffinity* Affinity() const = 0;
 
-        virtual void SetRealTimeMode() const {} 
+        virtual void SetRealTimeMode() const {}
     };
 
     // could be proxy to in-pool schedulers (for NUMA-aware executors)
@@ -137,7 +137,7 @@ namespace NActors {
         }
 
         virtual void Prepare(TActorSystem* actorSystem, volatile ui64* currentTimestamp, volatile ui64* currentMonotonic) = 0;
-        virtual void PrepareSchedules(NSchedulerQueue::TReader** readers, ui32 scheduleReadersCount) = 0; 
+        virtual void PrepareSchedules(NSchedulerQueue::TReader** readers, ui32 scheduleReadersCount) = 0;
         virtual void PrepareStart() { /* empty */ }
         virtual void Start() = 0;
         virtual void PrepareStop() = 0;
@@ -180,14 +180,14 @@ namespace NActors {
     struct TActorSystemSetup {
         ui32 NodeId = 0;
 
-        // Either Executors or CpuManager must be initialized 
+        // Either Executors or CpuManager must be initialized
         ui32 ExecutorsCount = 0;
         TArrayHolder<TAutoPtr<IExecutorPool>> Executors;
- 
-        TAutoPtr<IBalancer> Balancer; // main implementation will be implicitly created if not set 
- 
-        TCpuManagerConfig CpuManager; 
- 
+
+        TAutoPtr<IBalancer> Balancer; // main implementation will be implicitly created if not set
+
+        TCpuManagerConfig CpuManager;
+
         TAutoPtr<ISchedulerThread> Scheduler;
         ui32 MaxActivityType = 5; // for default entries
 
@@ -195,18 +195,18 @@ namespace NActors {
 
         using TLocalServices = TVector<std::pair<TActorId, TActorSetupCmd>>;
         TLocalServices LocalServices;
- 
-        ui32 GetExecutorsCount() const { 
-            return Executors ? ExecutorsCount : CpuManager.GetExecutorsCount(); 
-        } 
- 
-        TString GetPoolName(ui32 poolId) const { 
-            return Executors ? Executors[poolId]->GetName() : CpuManager.GetPoolName(poolId); 
-        } 
- 
-        ui32 GetThreads(ui32 poolId) const { 
-            return Executors ? Executors[poolId]->GetThreads() : CpuManager.GetThreads(poolId); 
-        } 
+
+        ui32 GetExecutorsCount() const {
+            return Executors ? ExecutorsCount : CpuManager.GetExecutorsCount();
+        }
+
+        TString GetPoolName(ui32 poolId) const {
+            return Executors ? Executors[poolId]->GetName() : CpuManager.GetPoolName(poolId);
+        }
+
+        ui32 GetThreads(ui32 poolId) const {
+            return Executors ? Executors[poolId]->GetThreads() : CpuManager.GetThreads(poolId);
+        }
     };
 
     class TActorSystem : TNonCopyable {
@@ -214,9 +214,9 @@ namespace NActors {
 
     public:
         const ui32 NodeId;
- 
+
     private:
-        THolder<TCpuManager> CpuManager; 
+        THolder<TCpuManager> CpuManager;
         const ui32 ExecutorPoolCount;
 
         TAutoPtr<ISchedulerThread> Scheduler;
@@ -353,7 +353,7 @@ namespace NActors {
             return LoggerSettings0.Get();
         }
 
-        void GetPoolStats(ui32 poolId, TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const; 
+        void GetPoolStats(ui32 poolId, TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const;
 
         void DeferPreStop(std::function<void()> fn) {
             DeferredPreStop.push_back(std::move(fn));
diff --git a/library/cpp/actors/core/balancer.cpp b/library/cpp/actors/core/balancer.cpp
index 6ee975bec1..cc5417b0b5 100644
--- a/library/cpp/actors/core/balancer.cpp
+++ b/library/cpp/actors/core/balancer.cpp
@@ -1,293 +1,293 @@
-#include "balancer.h" 
- 
-#include "probes.h" 
- 
-#include <library/cpp/actors/util/intrinsics.h> 
-#include <library/cpp/actors/util/datetime.h> 
- 
-#include <util/system/spinlock.h> 
- 
-#include <algorithm> 
- 
-namespace NActors { 
-    LWTRACE_USING(ACTORLIB_PROVIDER); 
- 
-    // Describes balancing-related state of pool, the most notable is `Importance` to add new cpu 
-    struct TLevel { 
-        // Balancer will try to give more cpu to overloaded pools 
-        enum ELoadClass { 
-            Underloaded = 0, 
-            Moderate = 1, 
-            Overloaded = 2, 
-        }; 
- 
-        double ScaleFactor; 
-        ELoadClass LoadClass; 
-        ui64 Importance; // pool with lower importance is allowed to pass cpu to pool with higher, but the opposite is forbidden 
- 
-        TLevel() {} 
- 
-        TLevel(const TBalancingConfig& cfg, TPoolId poolId, ui64 currentCpus, double cpuIdle) { 
-            ScaleFactor = double(currentCpus) / cfg.Cpus; 
-            if (cpuIdle > 1.3) { // TODO: add a better underload criterion, based on estimated latency w/o 1 cpu 
-                LoadClass = Underloaded; 
-            } else if (cpuIdle < 0.2) { // TODO: add a better overload criterion, based on latency 
-                LoadClass = Overloaded; 
-            } else { 
-                LoadClass = Moderate; 
-            } 
-            Importance = MakeImportance(LoadClass, cfg.Priority, ScaleFactor, cpuIdle, poolId); 
-        } 
- 
-    private: 
-        // Importance is simple ui64 value (from highest to lowest): 
-        //   2 Bits: LoadClass 
-        //   8 Bits: Priority 
-        //  10 Bits: -ScaleFactor (for max-min fairness with weights equal to TBalancingConfig::Cpus) 
-        //  10 Bits: -CpuIdle 
-        //   6 Bits: PoolId 
-        static ui64 MakeImportance(ELoadClass load, ui8 priority, double scaleFactor, double cpuIdle, TPoolId poolId) { 
-            ui64 idle = std::clamp<i64>(1024 - cpuIdle * 512, 0, 1023); 
-            ui64 scale = std::clamp<i64>(1024 - scaleFactor * 32, 0, 1023); 
- 
-            Y_VERIFY(ui64(load)     < (1ull << 2ull)); 
-            Y_VERIFY(ui64(priority) < (1ull << 8ull)); 
-            Y_VERIFY(ui64(scale)    < (1ull << 10ull)); 
-            Y_VERIFY(ui64(idle)     < (1ull << 10ull)); 
-            Y_VERIFY(ui64(poolId)   < (1ull << 6ull)); 
- 
-            static_assert(ui64(MaxPools) <= (1ull << 6ull)); 
- 
-            ui64 importance = 
-                (ui64(load)     << ui64(6 + 10 + 10 + 8)) | 
-                (ui64(priority) << ui64(6 + 10 + 10)) | 
-                (ui64(scale)    << ui64(6 + 10)) | 
-                (ui64(idle)     << ui64(6)) | 
-                ui64(poolId); 
-            return importance; 
-        } 
-    }; 
- 
-    // Main balancer implemenation 
-    class TBalancer: public IBalancer { 
-    private: 
-        struct TCpu; 
-        struct TPool; 
- 
-        bool Disabled = true; 
-        TSpinLock Lock; 
-        ui64 NextBalanceTs; 
-        TVector<TCpu> Cpus; // Indexed by CpuId, can have gaps 
-        TVector<TPool> Pools; // Indexed by PoolId, can have gaps 
-        TBalancerConfig Config; 
- 
-    public: 
-        // Setup 
-        TBalancer(const TBalancerConfig& config, const TVector<TUnitedExecutorPoolConfig>& unitedPools, ui64 ts); 
-        bool AddCpu(const TCpuAllocation& cpuAlloc, TCpuState* cpu) override; 
-        ~TBalancer(); 
- 
-        // Balancing 
-        bool TryLock(ui64 ts) override; 
-        void SetPoolStats(TPoolId pool, const TBalancerStats& stats) override; 
-        void Balance() override; 
-        void Unlock() override; 
- 
-    private: 
-        void MoveCpu(TPool& from, TPool& to); 
-    }; 
- 
-    struct TBalancer::TPool { 
-        TBalancingConfig Config; 
-        TPoolId PoolId; 
-        TString PoolName; 
- 
-        // Input data for balancing 
-        TBalancerStats Prev; 
-        TBalancerStats Next; 
- 
-        // Derived stats 
-        double CpuLoad; 
-        double CpuIdle; 
- 
-        // Classification 
-        // NOTE: We want to avoid passing cpu back and forth, so we must consider not only current level, 
-        // NOTE: but expected levels after movements also 
-        TLevel CurLevel; // Level with current amount of cpu 
-        TLevel AddLevel; // Level after one cpu acception 
-        TLevel SubLevel; // Level after one cpu donation 
- 
-        // Balancing state 
-        ui64 CurrentCpus = 0; // Total number of cpus assigned for this pool (zero means pools is not balanced) 
-        ui64 PrevCpus = 0; // Cpus in last period 
- 
-        explicit TPool(const TBalancingConfig& cfg = {}) 
-            : Config(cfg) 
-        {} 
- 
-        void Configure(const TBalancingConfig& cfg, const TString& poolName) { 
-            Config = cfg; 
-            // Enforce constraints 
-            Config.MinCpus = std::clamp<ui32>(Config.MinCpus, 1, Config.Cpus); 
-            Config.MaxCpus = Max<ui32>(Config.MaxCpus, Config.Cpus); 
-            PoolName = poolName; 
-        } 
-    }; 
- 
-    struct TBalancer::TCpu { 
-        TCpuState* State = nullptr; // Cpu state, nullptr means cpu is not used (gap) 
-        TCpuAllocation Alloc; 
-        TPoolId Current; 
-        TPoolId Assigned; 
-    }; 
- 
-    TBalancer::TBalancer(const TBalancerConfig& config, const TVector<TUnitedExecutorPoolConfig>& unitedPools, ui64 ts) 
-        : NextBalanceTs(ts) 
-        , Config(config) 
-    { 
-        for (TPoolId pool = 0; pool < MaxPools; pool++) { 
-            Pools.emplace_back(); 
-            Pools.back().PoolId = pool; 
-        } 
-        for (const TUnitedExecutorPoolConfig& united : unitedPools) { 
-            Pools[united.PoolId].Configure(united.Balancing, united.PoolName); 
-        } 
-    } 
- 
-    TBalancer::~TBalancer() { 
-    } 
- 
-    bool TBalancer::AddCpu(const TCpuAllocation& cpuAlloc, TCpuState* state) { 
-        // Setup 
-        TCpuId cpuId = cpuAlloc.CpuId; 
-        if (Cpus.size() <= cpuId) { 
-            Cpus.resize(cpuId + 1); 
-        } 
-        TCpu& cpu = Cpus[cpuId]; 
-        cpu.State = state; 
-        cpu.Alloc = cpuAlloc; 
- 
-        // Fill every pool with cpus up to TBalancingConfig::Cpus 
-        TPoolId pool = 0; 
-        for (TPool& p : Pools) { 
-            if (p.CurrentCpus < p.Config.Cpus) { 
-                p.CurrentCpus++; 
-                break; 
-            } 
-            pool++; 
-        } 
-        if (pool != MaxPools) { // cpu under balancer control 
-            state->SwitchPool(pool); 
-            state->AssignPool(pool); 
-            Disabled = false; 
-            return true; 
-        } 
-        return false; // non-balanced cpu 
-    } 
- 
-    bool TBalancer::TryLock(ui64 ts) { 
-        if (!Disabled && NextBalanceTs < ts && Lock.TryAcquire()) { 
-            NextBalanceTs = ts + Us2Ts(Config.PeriodUs); 
-            return true; 
-        } 
-        return false; 
-    } 
- 
-    void TBalancer::SetPoolStats(TPoolId pool, const TBalancerStats& stats) { 
-        Y_VERIFY(pool < MaxPools); 
-        TPool& p = Pools[pool]; 
-        p.Prev = p.Next; 
-        p.Next = stats; 
-    } 
- 
-    void TBalancer::Balance() { 
-        // Update every cpu state 
-        for (TCpu& cpu : Cpus) { 
-            if (cpu.State) { 
-                cpu.State->Load(cpu.Assigned, cpu.Current); 
-                if (cpu.Current < MaxPools && cpu.Current != cpu.Assigned) { 
-                    return; // previous movement has not been applied yet, wait 
-                } 
-            } 
-        } 
- 
-        // Process stats, classify and compute pool importance 
-        TStackVec<TPool*, MaxPools> order; 
-        for (TPool& pool : Pools) { 
-            if (pool.Config.Cpus == 0) { 
-                continue; // skip gaps (non-existent or non-united pools) 
-            } 
-            if (pool.Prev.Ts == 0 || pool.Prev.Ts >= pool.Next.Ts) { 
-                return; // invalid stats 
-            } 
- 
-            // Compute derived stats 
-            pool.CpuLoad = (pool.Next.CpuUs - pool.Prev.CpuUs) / Ts2Us(pool.Next.Ts - pool.Prev.Ts); 
-            if (pool.Prev.IdleUs == ui64(-1) || pool.Next.IdleUs == ui64(-1)) { 
-                pool.CpuIdle = pool.CurrentCpus - pool.CpuLoad; // for tests 
-            } else { 
-                pool.CpuIdle = (pool.Next.IdleUs - pool.Prev.IdleUs) / Ts2Us(pool.Next.Ts - pool.Prev.Ts); 
-            } 
- 
-            // Compute levels 
-            pool.CurLevel = TLevel(pool.Config, pool.PoolId, pool.CurrentCpus, pool.CpuIdle); 
-            pool.AddLevel = TLevel(pool.Config, pool.PoolId, pool.CurrentCpus + 1, pool.CpuIdle); // we expect taken cpu to became utilized 
-            pool.SubLevel = TLevel(pool.Config, pool.PoolId, pool.CurrentCpus - 1, pool.CpuIdle - 1); 
- 
-            // Prepare for balancing 
-            pool.PrevCpus = pool.CurrentCpus; 
-            order.push_back(&pool); 
-        } 
- 
-        // Sort pools by importance 
-        std::sort(order.begin(), order.end(), [] (TPool* l, TPool* r) {return l->CurLevel.Importance < r->CurLevel.Importance; }); 
-        for (TPool* pool : order) { 
-            LWPROBE(PoolStats, pool->PoolId, pool->PoolName, pool->CurrentCpus, pool->CurLevel.LoadClass, pool->Config.Priority, pool->CurLevel.ScaleFactor, pool->CpuIdle, pool->CpuLoad, pool->CurLevel.Importance, pool->AddLevel.Importance, pool->SubLevel.Importance); 
-        } 
- 
-        // Move cpus from lower importance to higher importance pools 
-        for (auto toIter = order.rbegin(); toIter != order.rend(); ++toIter) { 
-            TPool& to = **toIter; 
-            if (to.CurLevel.LoadClass == TLevel::Overloaded && // if pool is overloaded 
-                to.CurrentCpus < to.Config.MaxCpus) // and constraints would not be violated 
-            { 
-                for (auto fromIter = order.begin(); (*fromIter)->CurLevel.Importance < to.CurLevel.Importance; ++fromIter) { 
-                    TPool& from = **fromIter; 
-                    if (from.CurrentCpus == from.PrevCpus && // if not balanced yet 
-                        from.CurrentCpus > from.Config.MinCpus && // and constraints would not be violated 
-                        from.SubLevel.Importance < to.AddLevel.Importance) // and which of two pools is more important would not change after cpu movement 
-                    { 
-                        MoveCpu(from, to); 
-                        from.CurrentCpus--; 
-                        to.CurrentCpus++; 
-                        break; 
-                    } 
-                } 
-            } 
-        } 
-    } 
- 
-    void TBalancer::MoveCpu(TBalancer::TPool& from, TBalancer::TPool& to) { 
-        for (auto ci = Cpus.rbegin(), ce = Cpus.rend(); ci != ce; ci++) { 
-            TCpu& cpu = *ci; 
-            if (!cpu.State) { 
-                continue; 
-            } 
-            if (cpu.Assigned == from.PoolId) { 
-                cpu.State->AssignPool(to.PoolId); 
-                cpu.Assigned = to.PoolId; 
-                LWPROBE(MoveCpu, from.PoolId, to.PoolId, from.PoolName, to.PoolName, cpu.Alloc.CpuId); 
-                return; 
-            } 
-        } 
-        Y_FAIL(); 
-    } 
- 
-    void TBalancer::Unlock() { 
-        Lock.Release(); 
-    } 
- 
-    IBalancer* MakeBalancer(const TBalancerConfig& config, const TVector<TUnitedExecutorPoolConfig>& unitedPools, ui64 ts) { 
-        return new TBalancer(config, unitedPools, ts); 
-    } 
-} 
+#include "balancer.h"
+
+#include "probes.h"
+
+#include <library/cpp/actors/util/intrinsics.h>
+#include <library/cpp/actors/util/datetime.h>
+
+#include <util/system/spinlock.h>
+
+#include <algorithm>
+
+namespace NActors {
+    LWTRACE_USING(ACTORLIB_PROVIDER);
+
+    // Describes balancing-related state of pool, the most notable is `Importance` to add new cpu
+    struct TLevel {
+        // Balancer will try to give more cpu to overloaded pools
+        enum ELoadClass {
+            Underloaded = 0,
+            Moderate = 1,
+            Overloaded = 2,
+        };
+
+        double ScaleFactor;
+        ELoadClass LoadClass;
+        ui64 Importance; // pool with lower importance is allowed to pass cpu to pool with higher, but the opposite is forbidden
+
+        TLevel() {}
+
+        TLevel(const TBalancingConfig& cfg, TPoolId poolId, ui64 currentCpus, double cpuIdle) {
+            ScaleFactor = double(currentCpus) / cfg.Cpus;
+            if (cpuIdle > 1.3) { // TODO: add a better underload criterion, based on estimated latency w/o 1 cpu
+                LoadClass = Underloaded;
+            } else if (cpuIdle < 0.2) { // TODO: add a better overload criterion, based on latency
+                LoadClass = Overloaded;
+            } else {
+                LoadClass = Moderate;
+            }
+            Importance = MakeImportance(LoadClass, cfg.Priority, ScaleFactor, cpuIdle, poolId);
+        }
+
+    private:
+        // Importance is simple ui64 value (from highest to lowest):
+        //   2 Bits: LoadClass
+        //   8 Bits: Priority
+        //  10 Bits: -ScaleFactor (for max-min fairness with weights equal to TBalancingConfig::Cpus)
+        //  10 Bits: -CpuIdle
+        //   6 Bits: PoolId
+        static ui64 MakeImportance(ELoadClass load, ui8 priority, double scaleFactor, double cpuIdle, TPoolId poolId) {
+            ui64 idle = std::clamp<i64>(1024 - cpuIdle * 512, 0, 1023);
+            ui64 scale = std::clamp<i64>(1024 - scaleFactor * 32, 0, 1023);
+
+            Y_VERIFY(ui64(load)     < (1ull << 2ull));
+            Y_VERIFY(ui64(priority) < (1ull << 8ull));
+            Y_VERIFY(ui64(scale)    < (1ull << 10ull));
+            Y_VERIFY(ui64(idle)     < (1ull << 10ull));
+            Y_VERIFY(ui64(poolId)   < (1ull << 6ull));
+
+            static_assert(ui64(MaxPools) <= (1ull << 6ull));
+
+            ui64 importance =
+                (ui64(load)     << ui64(6 + 10 + 10 + 8)) |
+                (ui64(priority) << ui64(6 + 10 + 10)) |
+                (ui64(scale)    << ui64(6 + 10)) |
+                (ui64(idle)     << ui64(6)) |
+                ui64(poolId);
+            return importance;
+        }
+    };
+
+    // Main balancer implemenation
+    class TBalancer: public IBalancer {
+    private:
+        struct TCpu;
+        struct TPool;
+
+        bool Disabled = true;
+        TSpinLock Lock;
+        ui64 NextBalanceTs;
+        TVector<TCpu> Cpus; // Indexed by CpuId, can have gaps
+        TVector<TPool> Pools; // Indexed by PoolId, can have gaps
+        TBalancerConfig Config;
+
+    public:
+        // Setup
+        TBalancer(const TBalancerConfig& config, const TVector<TUnitedExecutorPoolConfig>& unitedPools, ui64 ts);
+        bool AddCpu(const TCpuAllocation& cpuAlloc, TCpuState* cpu) override;
+        ~TBalancer();
+
+        // Balancing
+        bool TryLock(ui64 ts) override;
+        void SetPoolStats(TPoolId pool, const TBalancerStats& stats) override;
+        void Balance() override;
+        void Unlock() override;
+
+    private:
+        void MoveCpu(TPool& from, TPool& to);
+    };
+
+    struct TBalancer::TPool {
+        TBalancingConfig Config;
+        TPoolId PoolId;
+        TString PoolName;
+
+        // Input data for balancing
+        TBalancerStats Prev;
+        TBalancerStats Next;
+
+        // Derived stats
+        double CpuLoad;
+        double CpuIdle;
+
+        // Classification
+        // NOTE: We want to avoid passing cpu back and forth, so we must consider not only current level,
+        // NOTE: but expected levels after movements also
+        TLevel CurLevel; // Level with current amount of cpu
+        TLevel AddLevel; // Level after one cpu acception
+        TLevel SubLevel; // Level after one cpu donation
+
+        // Balancing state
+        ui64 CurrentCpus = 0; // Total number of cpus assigned for this pool (zero means pools is not balanced)
+        ui64 PrevCpus = 0; // Cpus in last period
+
+        explicit TPool(const TBalancingConfig& cfg = {})
+            : Config(cfg)
+        {}
+
+        void Configure(const TBalancingConfig& cfg, const TString& poolName) {
+            Config = cfg;
+            // Enforce constraints
+            Config.MinCpus = std::clamp<ui32>(Config.MinCpus, 1, Config.Cpus);
+            Config.MaxCpus = Max<ui32>(Config.MaxCpus, Config.Cpus);
+            PoolName = poolName;
+        }
+    };
+
+    struct TBalancer::TCpu {
+        TCpuState* State = nullptr; // Cpu state, nullptr means cpu is not used (gap)
+        TCpuAllocation Alloc;
+        TPoolId Current;
+        TPoolId Assigned;
+    };
+
+    TBalancer::TBalancer(const TBalancerConfig& config, const TVector<TUnitedExecutorPoolConfig>& unitedPools, ui64 ts)
+        : NextBalanceTs(ts)
+        , Config(config)
+    {
+        for (TPoolId pool = 0; pool < MaxPools; pool++) {
+            Pools.emplace_back();
+            Pools.back().PoolId = pool;
+        }
+        for (const TUnitedExecutorPoolConfig& united : unitedPools) {
+            Pools[united.PoolId].Configure(united.Balancing, united.PoolName);
+        }
+    }
+
+    TBalancer::~TBalancer() {
+    }
+
+    bool TBalancer::AddCpu(const TCpuAllocation& cpuAlloc, TCpuState* state) {
+        // Setup
+        TCpuId cpuId = cpuAlloc.CpuId;
+        if (Cpus.size() <= cpuId) {
+            Cpus.resize(cpuId + 1);
+        }
+        TCpu& cpu = Cpus[cpuId];
+        cpu.State = state;
+        cpu.Alloc = cpuAlloc;
+
+        // Fill every pool with cpus up to TBalancingConfig::Cpus
+        TPoolId pool = 0;
+        for (TPool& p : Pools) {
+            if (p.CurrentCpus < p.Config.Cpus) {
+                p.CurrentCpus++;
+                break;
+            }
+            pool++;
+        }
+        if (pool != MaxPools) { // cpu under balancer control
+            state->SwitchPool(pool);
+            state->AssignPool(pool);
+            Disabled = false;
+            return true;
+        }
+        return false; // non-balanced cpu
+    }
+
+    bool TBalancer::TryLock(ui64 ts) {
+        if (!Disabled && NextBalanceTs < ts && Lock.TryAcquire()) {
+            NextBalanceTs = ts + Us2Ts(Config.PeriodUs);
+            return true;
+        }
+        return false;
+    }
+
+    void TBalancer::SetPoolStats(TPoolId pool, const TBalancerStats& stats) {
+        Y_VERIFY(pool < MaxPools);
+        TPool& p = Pools[pool];
+        p.Prev = p.Next;
+        p.Next = stats;
+    }
+
+    void TBalancer::Balance() {
+        // Update every cpu state
+        for (TCpu& cpu : Cpus) {
+            if (cpu.State) {
+                cpu.State->Load(cpu.Assigned, cpu.Current);
+                if (cpu.Current < MaxPools && cpu.Current != cpu.Assigned) {
+                    return; // previous movement has not been applied yet, wait
+                }
+            }
+        }
+
+        // Process stats, classify and compute pool importance
+        TStackVec<TPool*, MaxPools> order;
+        for (TPool& pool : Pools) {
+            if (pool.Config.Cpus == 0) {
+                continue; // skip gaps (non-existent or non-united pools)
+            }
+            if (pool.Prev.Ts == 0 || pool.Prev.Ts >= pool.Next.Ts) {
+                return; // invalid stats
+            }
+
+            // Compute derived stats
+            pool.CpuLoad = (pool.Next.CpuUs - pool.Prev.CpuUs) / Ts2Us(pool.Next.Ts - pool.Prev.Ts);
+            if (pool.Prev.IdleUs == ui64(-1) || pool.Next.IdleUs == ui64(-1)) {
+                pool.CpuIdle = pool.CurrentCpus - pool.CpuLoad; // for tests
+            } else {
+                pool.CpuIdle = (pool.Next.IdleUs - pool.Prev.IdleUs) / Ts2Us(pool.Next.Ts - pool.Prev.Ts);
+            }
+
+            // Compute levels
+            pool.CurLevel = TLevel(pool.Config, pool.PoolId, pool.CurrentCpus, pool.CpuIdle);
+            pool.AddLevel = TLevel(pool.Config, pool.PoolId, pool.CurrentCpus + 1, pool.CpuIdle); // we expect taken cpu to became utilized
+            pool.SubLevel = TLevel(pool.Config, pool.PoolId, pool.CurrentCpus - 1, pool.CpuIdle - 1);
+
+            // Prepare for balancing
+            pool.PrevCpus = pool.CurrentCpus;
+            order.push_back(&pool);
+        }
+
+        // Sort pools by importance
+        std::sort(order.begin(), order.end(), [] (TPool* l, TPool* r) {return l->CurLevel.Importance < r->CurLevel.Importance; });
+        for (TPool* pool : order) {
+            LWPROBE(PoolStats, pool->PoolId, pool->PoolName, pool->CurrentCpus, pool->CurLevel.LoadClass, pool->Config.Priority, pool->CurLevel.ScaleFactor, pool->CpuIdle, pool->CpuLoad, pool->CurLevel.Importance, pool->AddLevel.Importance, pool->SubLevel.Importance);
+        }
+
+        // Move cpus from lower importance to higher importance pools
+        for (auto toIter = order.rbegin(); toIter != order.rend(); ++toIter) {
+            TPool& to = **toIter;
+            if (to.CurLevel.LoadClass == TLevel::Overloaded && // if pool is overloaded
+                to.CurrentCpus < to.Config.MaxCpus) // and constraints would not be violated
+            {
+                for (auto fromIter = order.begin(); (*fromIter)->CurLevel.Importance < to.CurLevel.Importance; ++fromIter) {
+                    TPool& from = **fromIter;
+                    if (from.CurrentCpus == from.PrevCpus && // if not balanced yet
+                        from.CurrentCpus > from.Config.MinCpus && // and constraints would not be violated
+                        from.SubLevel.Importance < to.AddLevel.Importance) // and which of two pools is more important would not change after cpu movement
+                    {
+                        MoveCpu(from, to);
+                        from.CurrentCpus--;
+                        to.CurrentCpus++;
+                        break;
+                    }
+                }
+            }
+        }
+    }
+
+    void TBalancer::MoveCpu(TBalancer::TPool& from, TBalancer::TPool& to) {
+        for (auto ci = Cpus.rbegin(), ce = Cpus.rend(); ci != ce; ci++) {
+            TCpu& cpu = *ci;
+            if (!cpu.State) {
+                continue;
+            }
+            if (cpu.Assigned == from.PoolId) {
+                cpu.State->AssignPool(to.PoolId);
+                cpu.Assigned = to.PoolId;
+                LWPROBE(MoveCpu, from.PoolId, to.PoolId, from.PoolName, to.PoolName, cpu.Alloc.CpuId);
+                return;
+            }
+        }
+        Y_FAIL();
+    }
+
+    void TBalancer::Unlock() {
+        Lock.Release();
+    }
+
+    IBalancer* MakeBalancer(const TBalancerConfig& config, const TVector<TUnitedExecutorPoolConfig>& unitedPools, ui64 ts) {
+        return new TBalancer(config, unitedPools, ts);
+    }
+}
diff --git a/library/cpp/actors/core/balancer.h b/library/cpp/actors/core/balancer.h
index cf4ea776f0..9763ec79e1 100644
--- a/library/cpp/actors/core/balancer.h
+++ b/library/cpp/actors/core/balancer.h
@@ -1,27 +1,27 @@
-#pragma once 
- 
-#include "defs.h" 
-#include "config.h" 
-#include "cpu_state.h" 
- 
-namespace NActors { 
-    // Per-pool statistics used by balancer 
-    struct TBalancerStats { 
-        ui64 Ts = 0; // Measurement timestamp 
-        ui64 CpuUs = 0; // Total cpu microseconds consumed by pool on all cpus since start 
-        ui64 IdleUs = ui64(-1); // Total cpu microseconds in spinning or waiting on futex 
-    }; 
- 
-    // Pool cpu balancer 
-    struct IBalancer { 
-        virtual ~IBalancer() {} 
-        virtual bool AddCpu(const TCpuAllocation& cpuAlloc, TCpuState* cpu) = 0; 
-        virtual bool TryLock(ui64 ts) = 0; 
-        virtual void SetPoolStats(TPoolId pool, const TBalancerStats& stats) = 0; 
-        virtual void Balance() = 0; 
-        virtual void Unlock() = 0; 
-        // TODO: add method for reconfiguration on fly 
-    }; 
- 
-    IBalancer* MakeBalancer(const TBalancerConfig& config, const TVector<TUnitedExecutorPoolConfig>& unitedPools, ui64 ts); 
-} 
+#pragma once
+
+#include "defs.h"
+#include "config.h"
+#include "cpu_state.h"
+
+namespace NActors {
+    // Per-pool statistics used by balancer
+    struct TBalancerStats {
+        ui64 Ts = 0; // Measurement timestamp
+        ui64 CpuUs = 0; // Total cpu microseconds consumed by pool on all cpus since start
+        ui64 IdleUs = ui64(-1); // Total cpu microseconds in spinning or waiting on futex
+    };
+
+    // Pool cpu balancer
+    struct IBalancer {
+        virtual ~IBalancer() {}
+        virtual bool AddCpu(const TCpuAllocation& cpuAlloc, TCpuState* cpu) = 0;
+        virtual bool TryLock(ui64 ts) = 0;
+        virtual void SetPoolStats(TPoolId pool, const TBalancerStats& stats) = 0;
+        virtual void Balance() = 0;
+        virtual void Unlock() = 0;
+        // TODO: add method for reconfiguration on fly
+    };
+
+    IBalancer* MakeBalancer(const TBalancerConfig& config, const TVector<TUnitedExecutorPoolConfig>& unitedPools, ui64 ts);
+}
diff --git a/library/cpp/actors/core/balancer_ut.cpp b/library/cpp/actors/core/balancer_ut.cpp
index ac4ebdccb3..7e5e95f4b9 100644
--- a/library/cpp/actors/core/balancer_ut.cpp
+++ b/library/cpp/actors/core/balancer_ut.cpp
@@ -1,225 +1,225 @@
-#include "balancer.h" 
- 
-#include <library/cpp/actors/util/datetime.h> 
-#include <library/cpp/lwtrace/all.h> 
-#include <library/cpp/testing/unittest/registar.h> 
- 
-#include <util/stream/str.h> 
- 
-using namespace NActors; 
- 
-//////////////////////////////////////////////////////////////////////////////// 
- 
-Y_UNIT_TEST_SUITE(PoolCpuBalancer) { 
-    struct TTest { 
-        TCpuManagerConfig Config; 
-        TCpuMask Available; 
-        THolder<IBalancer> Balancer; 
-        TVector<TCpuState> CpuStates; 
-        TVector<ui64> CpuUs; 
-        ui64 Now = 0; 
- 
-        void SetCpuCount(size_t count) { 
-            Config.UnitedWorkers.CpuCount = count; 
-            for (TCpuId cpuId = 0; cpuId < count; cpuId++) { 
-                Available.Set(cpuId); 
-            } 
-        } 
- 
-        void AddPool(ui32 minCpus, ui32 cpus, ui32 maxCpus, ui8 priority = 0) { 
-            TUnitedExecutorPoolConfig u; 
-            u.PoolId = TPoolId(Config.United.size()); 
-            u.Balancing.Cpus = cpus; 
-            u.Balancing.MinCpus = minCpus; 
-            u.Balancing.MaxCpus = maxCpus; 
-            u.Balancing.Priority = priority; 
-            Config.United.push_back(u); 
-        } 
- 
-        void Start() { 
-            TCpuAllocationConfig allocation(Available, Config); 
-            Balancer.Reset(MakeBalancer(Config.UnitedWorkers.Balancer, Config.United, 0)); 
-            CpuStates.resize(allocation.Items.size()); // do not resize it later to avoid dangling pointers 
-            CpuUs.resize(CpuStates.size()); 
-            for (const TCpuAllocation& cpuAlloc : allocation.Items) { 
-                bool added = Balancer->AddCpu(cpuAlloc, &CpuStates[cpuAlloc.CpuId]); 
-                UNIT_ASSERT(added); 
-            } 
-        } 
- 
-        void Balance(ui64 deltaTs, const TVector<ui64>& cpuUs) { 
-            Now += deltaTs; 
-            ui64 ts = Now; 
-            if (Balancer->TryLock(ts)) { 
-                for (TPoolId pool = 0; pool < cpuUs.size(); pool++) { 
-                    CpuUs[pool] += cpuUs[pool]; 
-                    TBalancerStats stats; 
-                    stats.Ts = ts; 
-                    stats.CpuUs = CpuUs[pool]; 
-                    Balancer->SetPoolStats(pool, stats); 
-                } 
-                Balancer->Balance(); 
-                Balancer->Unlock(); 
-            } 
-        } 
- 
-        void ApplyMovements() { 
-            for (TCpuState& state : CpuStates) { 
-                TPoolId current; 
-                TPoolId assigned; 
-                state.Load(assigned, current); 
-                state.SwitchPool(assigned); 
-            } 
-        } 
- 
-        static TString ToStr(const TVector<ui64>& values) { 
-            TStringStream ss; 
-            ss << "{"; 
-            for (auto v : values) { 
-                ss << " " << v; 
-            } 
-            ss << " }"; 
-            return ss.Str(); 
-        } 
- 
-        void AssertPoolsCurrentCpus(const TVector<ui64>& cpuRequired) { 
-            TVector<ui64> cpuCurrent; 
-            cpuCurrent.resize(cpuRequired.size()); 
-            for (TCpuState& state : CpuStates) { 
-                TPoolId current; 
-                TPoolId assigned; 
-                state.Load(assigned, current); 
-                cpuCurrent[current]++; 
-            } 
-            for (TPoolId pool = 0; pool < cpuRequired.size(); pool++) { 
-                UNIT_ASSERT_C(cpuCurrent[pool] == cpuRequired[pool], 
-                    "cpu distribution mismatch, required " << ToStr(cpuRequired) << " but got " << ToStr(cpuCurrent)); 
-            } 
-        } 
-    }; 
- 
-    Y_UNIT_TEST(StartLwtrace) { 
-        NLWTrace::StartLwtraceFromEnv(); 
-    } 
- 
-    Y_UNIT_TEST(AllOverloaded) { 
-        TTest t; 
-        int cpus = 10; 
-        t.SetCpuCount(cpus); 
-        t.AddPool(1, 1, 10); // pool=0 
-        t.AddPool(1, 2, 10); // pool=1 
-        t.AddPool(1, 3, 10); // pool=2 
-        t.AddPool(1, 4, 10); // pool=2 
-        t.Start(); 
-        ui64 dts = 1.01 * Us2Ts(t.Config.UnitedWorkers.Balancer.PeriodUs); 
-        ui64 totalCpuUs = cpus * Ts2Us(dts); // pretend every pool has consumed as whole actorsystem, overload 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {totalCpuUs, totalCpuUs, totalCpuUs, totalCpuUs}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({1, 2, 3, 4}); 
-    } 
- 
-    Y_UNIT_TEST(OneOverloaded) { 
-        TTest t; 
-        int cpus = 10; 
-        t.SetCpuCount(cpus); 
-        t.AddPool(1, 1, 10); // pool=0 
-        t.AddPool(1, 2, 10); // pool=1 
-        t.AddPool(1, 3, 10); // pool=2 
-        t.AddPool(1, 4, 10); // pool=2 
-        t.Start(); 
-        ui64 dts = 1.01 * Us2Ts(t.Config.UnitedWorkers.Balancer.PeriodUs); 
-        ui64 totalCpuUs = cpus * Ts2Us(dts); 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {totalCpuUs, 0, 0, 0}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({7, 1, 1, 1}); 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {0, totalCpuUs, 0, 0}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({1, 7, 1, 1}); 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {0, 0, totalCpuUs, 0}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({1, 1, 7, 1}); 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {0, 0, 0, totalCpuUs}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({1, 1, 1, 7}); 
-    } 
- 
-    Y_UNIT_TEST(TwoOverloadedFairness) { 
-        TTest t; 
-        int cpus = 10; 
-        t.SetCpuCount(cpus); 
-        t.AddPool(1, 1, 10); // pool=0 
-        t.AddPool(1, 2, 10); // pool=1 
-        t.AddPool(1, 3, 10); // pool=2 
-        t.AddPool(1, 4, 10); // pool=2 
-        t.Start(); 
-        ui64 dts = 1.01 * Us2Ts(t.Config.UnitedWorkers.Balancer.PeriodUs); 
-        ui64 totalCpuUs = cpus * Ts2Us(dts); 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {totalCpuUs, totalCpuUs, 0, 0}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({3, 5, 1, 1}); 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {totalCpuUs, 0, totalCpuUs, 0}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({2, 1, 6, 1}); 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {totalCpuUs, 0, 0, totalCpuUs}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({2, 1, 1, 6}); 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {0, totalCpuUs, totalCpuUs, 0}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({1, 3, 5, 1}); 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {0, totalCpuUs, 0, totalCpuUs}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({1, 3, 1, 5}); 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {0, 0, totalCpuUs, totalCpuUs}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({1, 1, 3, 5}); 
-    } 
- 
-    Y_UNIT_TEST(TwoOverloadedPriority) { 
-        TTest t; 
-        int cpus = 20; 
-        t.SetCpuCount(cpus); 
-        t.AddPool(1, 5, 20, 0); // pool=0 
-        t.AddPool(1, 5, 20, 1); // pool=1 
-        t.AddPool(1, 5, 20, 2); // pool=2 
-        t.AddPool(1, 5, 20, 3); // pool=3 
-        t.Start(); 
-        ui64 dts = 1.01 * Us2Ts(t.Config.UnitedWorkers.Balancer.PeriodUs); 
-        ui64 mErlang = Ts2Us(dts) / 1000; 
-        for (int i = 0; i < cpus; i++) { 
-            t.Balance(dts, {20000 * mErlang, 2500 * mErlang, 4500 * mErlang, 9500 * mErlang}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({2, 3, 5, 10}); 
-        t.Balance(dts, {20000 * mErlang, 2500 * mErlang, 4500 * mErlang, 8500 * mErlang}); 
-        t.ApplyMovements(); 
-        t.AssertPoolsCurrentCpus({3, 3, 5, 9}); 
-        // NOTE: this operation require one move, but we do not make global analysis, so multiple steps (1->2 & 0->1) are required (can be optimized later) 
-        for (int i = 0; i < 3; i++) { 
-            t.Balance(dts, {20000 * mErlang, 2500 * mErlang, 5500 * mErlang, 8500 * mErlang}); 
-            t.ApplyMovements(); 
-        } 
-        t.AssertPoolsCurrentCpus({2, 3, 6, 9}); 
-    } 
-} 
+#include "balancer.h"
+
+#include <library/cpp/actors/util/datetime.h>
+#include <library/cpp/lwtrace/all.h>
+#include <library/cpp/testing/unittest/registar.h>
+
+#include <util/stream/str.h>
+
+using namespace NActors;
+
+////////////////////////////////////////////////////////////////////////////////
+
+Y_UNIT_TEST_SUITE(PoolCpuBalancer) {
+    struct TTest {
+        TCpuManagerConfig Config;
+        TCpuMask Available;
+        THolder<IBalancer> Balancer;
+        TVector<TCpuState> CpuStates;
+        TVector<ui64> CpuUs;
+        ui64 Now = 0;
+
+        void SetCpuCount(size_t count) {
+            Config.UnitedWorkers.CpuCount = count;
+            for (TCpuId cpuId = 0; cpuId < count; cpuId++) {
+                Available.Set(cpuId);
+            }
+        }
+
+        void AddPool(ui32 minCpus, ui32 cpus, ui32 maxCpus, ui8 priority = 0) {
+            TUnitedExecutorPoolConfig u;
+            u.PoolId = TPoolId(Config.United.size());
+            u.Balancing.Cpus = cpus;
+            u.Balancing.MinCpus = minCpus;
+            u.Balancing.MaxCpus = maxCpus;
+            u.Balancing.Priority = priority;
+            Config.United.push_back(u);
+        }
+
+        void Start() {
+            TCpuAllocationConfig allocation(Available, Config);
+            Balancer.Reset(MakeBalancer(Config.UnitedWorkers.Balancer, Config.United, 0));
+            CpuStates.resize(allocation.Items.size()); // do not resize it later to avoid dangling pointers
+            CpuUs.resize(CpuStates.size());
+            for (const TCpuAllocation& cpuAlloc : allocation.Items) {
+                bool added = Balancer->AddCpu(cpuAlloc, &CpuStates[cpuAlloc.CpuId]);
+                UNIT_ASSERT(added);
+            }
+        }
+
+        void Balance(ui64 deltaTs, const TVector<ui64>& cpuUs) {
+            Now += deltaTs;
+            ui64 ts = Now;
+            if (Balancer->TryLock(ts)) {
+                for (TPoolId pool = 0; pool < cpuUs.size(); pool++) {
+                    CpuUs[pool] += cpuUs[pool];
+                    TBalancerStats stats;
+                    stats.Ts = ts;
+                    stats.CpuUs = CpuUs[pool];
+                    Balancer->SetPoolStats(pool, stats);
+                }
+                Balancer->Balance();
+                Balancer->Unlock();
+            }
+        }
+
+        void ApplyMovements() {
+            for (TCpuState& state : CpuStates) {
+                TPoolId current;
+                TPoolId assigned;
+                state.Load(assigned, current);
+                state.SwitchPool(assigned);
+            }
+        }
+
+        static TString ToStr(const TVector<ui64>& values) {
+            TStringStream ss;
+            ss << "{";
+            for (auto v : values) {
+                ss << " " << v;
+            }
+            ss << " }";
+            return ss.Str();
+        }
+
+        void AssertPoolsCurrentCpus(const TVector<ui64>& cpuRequired) {
+            TVector<ui64> cpuCurrent;
+            cpuCurrent.resize(cpuRequired.size());
+            for (TCpuState& state : CpuStates) {
+                TPoolId current;
+                TPoolId assigned;
+                state.Load(assigned, current);
+                cpuCurrent[current]++;
+            }
+            for (TPoolId pool = 0; pool < cpuRequired.size(); pool++) {
+                UNIT_ASSERT_C(cpuCurrent[pool] == cpuRequired[pool],
+                    "cpu distribution mismatch, required " << ToStr(cpuRequired) << " but got " << ToStr(cpuCurrent));
+            }
+        }
+    };
+
+    Y_UNIT_TEST(StartLwtrace) {
+        NLWTrace::StartLwtraceFromEnv();
+    }
+
+    Y_UNIT_TEST(AllOverloaded) {
+        TTest t;
+        int cpus = 10;
+        t.SetCpuCount(cpus);
+        t.AddPool(1, 1, 10); // pool=0
+        t.AddPool(1, 2, 10); // pool=1
+        t.AddPool(1, 3, 10); // pool=2
+        t.AddPool(1, 4, 10); // pool=2
+        t.Start();
+        ui64 dts = 1.01 * Us2Ts(t.Config.UnitedWorkers.Balancer.PeriodUs);
+        ui64 totalCpuUs = cpus * Ts2Us(dts); // pretend every pool has consumed as whole actorsystem, overload
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {totalCpuUs, totalCpuUs, totalCpuUs, totalCpuUs});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({1, 2, 3, 4});
+    }
+
+    Y_UNIT_TEST(OneOverloaded) {
+        TTest t;
+        int cpus = 10;
+        t.SetCpuCount(cpus);
+        t.AddPool(1, 1, 10); // pool=0
+        t.AddPool(1, 2, 10); // pool=1
+        t.AddPool(1, 3, 10); // pool=2
+        t.AddPool(1, 4, 10); // pool=2
+        t.Start();
+        ui64 dts = 1.01 * Us2Ts(t.Config.UnitedWorkers.Balancer.PeriodUs);
+        ui64 totalCpuUs = cpus * Ts2Us(dts);
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {totalCpuUs, 0, 0, 0});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({7, 1, 1, 1});
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {0, totalCpuUs, 0, 0});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({1, 7, 1, 1});
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {0, 0, totalCpuUs, 0});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({1, 1, 7, 1});
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {0, 0, 0, totalCpuUs});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({1, 1, 1, 7});
+    }
+
+    Y_UNIT_TEST(TwoOverloadedFairness) {
+        TTest t;
+        int cpus = 10;
+        t.SetCpuCount(cpus);
+        t.AddPool(1, 1, 10); // pool=0
+        t.AddPool(1, 2, 10); // pool=1
+        t.AddPool(1, 3, 10); // pool=2
+        t.AddPool(1, 4, 10); // pool=2
+        t.Start();
+        ui64 dts = 1.01 * Us2Ts(t.Config.UnitedWorkers.Balancer.PeriodUs);
+        ui64 totalCpuUs = cpus * Ts2Us(dts);
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {totalCpuUs, totalCpuUs, 0, 0});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({3, 5, 1, 1});
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {totalCpuUs, 0, totalCpuUs, 0});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({2, 1, 6, 1});
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {totalCpuUs, 0, 0, totalCpuUs});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({2, 1, 1, 6});
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {0, totalCpuUs, totalCpuUs, 0});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({1, 3, 5, 1});
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {0, totalCpuUs, 0, totalCpuUs});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({1, 3, 1, 5});
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {0, 0, totalCpuUs, totalCpuUs});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({1, 1, 3, 5});
+    }
+
+    Y_UNIT_TEST(TwoOverloadedPriority) {
+        TTest t;
+        int cpus = 20;
+        t.SetCpuCount(cpus);
+        t.AddPool(1, 5, 20, 0); // pool=0
+        t.AddPool(1, 5, 20, 1); // pool=1
+        t.AddPool(1, 5, 20, 2); // pool=2
+        t.AddPool(1, 5, 20, 3); // pool=3
+        t.Start();
+        ui64 dts = 1.01 * Us2Ts(t.Config.UnitedWorkers.Balancer.PeriodUs);
+        ui64 mErlang = Ts2Us(dts) / 1000;
+        for (int i = 0; i < cpus; i++) {
+            t.Balance(dts, {20000 * mErlang, 2500 * mErlang, 4500 * mErlang, 9500 * mErlang});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({2, 3, 5, 10});
+        t.Balance(dts, {20000 * mErlang, 2500 * mErlang, 4500 * mErlang, 8500 * mErlang});
+        t.ApplyMovements();
+        t.AssertPoolsCurrentCpus({3, 3, 5, 9});
+        // NOTE: this operation require one move, but we do not make global analysis, so multiple steps (1->2 & 0->1) are required (can be optimized later)
+        for (int i = 0; i < 3; i++) {
+            t.Balance(dts, {20000 * mErlang, 2500 * mErlang, 5500 * mErlang, 8500 * mErlang});
+            t.ApplyMovements();
+        }
+        t.AssertPoolsCurrentCpus({2, 3, 6, 9});
+    }
+}
diff --git a/library/cpp/actors/core/config.h b/library/cpp/actors/core/config.h
index 750bdd3a07..2486bf4c43 100644
--- a/library/cpp/actors/core/config.h
+++ b/library/cpp/actors/core/config.h
@@ -1,239 +1,239 @@
-#pragma once 
- 
-#include "defs.h" 
-#include <library/cpp/actors/util/cpumask.h> 
-#include <library/cpp/monlib/dynamic_counters/counters.h> 
-#include <util/datetime/base.h> 
-#include <util/generic/ptr.h> 
-#include <util/generic/string.h> 
-#include <util/generic/vector.h> 
- 
-namespace NActors { 
- 
-    struct TBalancingConfig { 
-        // Default cpu count (used during overload). Zero value disables this pool balancing 
-        // 1) Sum of `Cpus` on all pools cannot be changed without restart 
-        //    (changing cpu mode between Shared and Assigned is not implemented yet) 
-        // 2) This sum must be equal to TUnitedWorkersConfig::CpuCount, 
-        //    otherwise `CpuCount - SUM(Cpus)` cpus will be in Shared mode (i.e. actorsystem 2.0) 
-        ui32 Cpus = 0; 
- 
-        ui32 MinCpus = 0; // Lower balancing bound, should be at least 1, and not greater than `Cpus` 
-        ui32 MaxCpus = 0; // Higher balancing bound, should be not lower than `Cpus` 
-        ui8 Priority = 0; // Priority of pool to obtain cpu due to balancing (higher is better) 
-        ui64 ToleratedLatencyUs = 0; // p100-latency threshold indicating that more cpus are required by pool 
-    }; 
- 
-    struct TBalancerConfig { 
-        ui64 PeriodUs = 15000000; // Time between balancer steps 
-    }; 
- 
-    struct TBasicExecutorPoolConfig { 
-        static constexpr TDuration DEFAULT_TIME_PER_MAILBOX = TDuration::MilliSeconds(10); 
-        static constexpr ui32 DEFAULT_EVENTS_PER_MAILBOX = 100; 
- 
-        ui32 PoolId = 0; 
-        TString PoolName; 
-        ui32 Threads = 1; 
-        ui64 SpinThreshold = 100; 
-        TCpuMask Affinity; // Executor thread affinity 
-        TDuration TimePerMailbox = DEFAULT_TIME_PER_MAILBOX; 
-        ui32 EventsPerMailbox = DEFAULT_EVENTS_PER_MAILBOX; 
-        int RealtimePriority = 0; 
-        ui32 MaxActivityType = 1; 
-    }; 
- 
-    struct TIOExecutorPoolConfig { 
-        ui32 PoolId = 0; 
-        TString PoolName; 
-        ui32 Threads = 1; 
-        TCpuMask Affinity; // Executor thread affinity 
-        ui32 MaxActivityType = 1; 
-    }; 
- 
-    struct TUnitedExecutorPoolConfig { 
-        static constexpr TDuration DEFAULT_TIME_PER_MAILBOX = TDuration::MilliSeconds(10); 
-        static constexpr ui32 DEFAULT_EVENTS_PER_MAILBOX = 100; 
- 
-        ui32 PoolId = 0; 
-        TString PoolName; 
- 
-        // Resource sharing 
-        ui32 Concurrency = 0; // Limits simultaneously running mailboxes count if set to non-zero value (do not set if Balancing.Cpus != 0) 
-        TPoolWeight Weight = 0; // Weight in fair cpu-local pool scheduler 
-        TCpuMask Allowed; // Allowed CPUs for workers to run this pool on (ignored if balancer works, i.e. actorsystem 1.5) 
- 
-        // Single mailbox execution limits 
-        TDuration TimePerMailbox = DEFAULT_TIME_PER_MAILBOX; 
-        ui32 EventsPerMailbox = DEFAULT_EVENTS_PER_MAILBOX; 
- 
-        // Introspection 
-        ui32 MaxActivityType = 1; 
- 
-        // Long-term balancing 
-        TBalancingConfig Balancing; 
-    }; 
- 
-    struct TUnitedWorkersConfig { 
-        ui32 CpuCount = 0; // Total CPUs running united workers (i.e. TBasicExecutorPoolConfig::Threads analog); set to zero to disable united workers 
-        ui64 SpinThresholdUs = 100; // Limit for active spinning in case all pools became idle 
-        ui64 PoolLimitUs = 500; // Soft limit on pool execution 
-        ui64 EventLimitUs = 100; // Hard limit on last event execution exceeding pool limit 
-        ui64 LimitPrecisionUs = 100; // Maximum delay of timer on limit excess (delay needed to avoid settimer syscall on every pool switch) 
-        ui64 FastWorkerPriority = 10; // Real-time priority of workers not exceeding hard limits 
-        ui64 IdleWorkerPriority = 20; // Real-time priority of standby workers waiting for hard preemption on timers (should be greater than FastWorkerPriority) 
-        TCpuMask Allowed; // Allowed CPUs for workers to run on (every worker has affinity for exactly one cpu) 
-        bool NoRealtime = false; // For environments w/o permissions for RT-threads 
-        bool NoAffinity = false; // For environments w/o permissions for cpu affinity 
-        TBalancerConfig Balancer; 
-    }; 
- 
-    struct TCpuManagerConfig { 
-        TUnitedWorkersConfig UnitedWorkers; 
-        TVector<TBasicExecutorPoolConfig> Basic; 
-        TVector<TIOExecutorPoolConfig> IO; 
-        TVector<TUnitedExecutorPoolConfig> United; 
- 
-        ui32 GetExecutorsCount() const { 
-            return Basic.size() + IO.size() + United.size(); 
-        } 
- 
-        TString GetPoolName(ui32 poolId) const { 
-            for (const auto& p : Basic) { 
-                if (p.PoolId == poolId) { 
-                    return p.PoolName; 
-                } 
-            } 
-            for (const auto& p : IO) { 
-                if (p.PoolId == poolId) { 
-                    return p.PoolName; 
-                } 
-            } 
-            for (const auto& p : United) { 
-                if (p.PoolId == poolId) { 
-                    return p.PoolName; 
-                } 
-            } 
-            Y_FAIL("undefined pool id: %" PRIu32, (ui32)poolId); 
-        } 
- 
-        ui32 GetThreads(ui32 poolId) const { 
-            for (const auto& p : Basic) { 
-                if (p.PoolId == poolId) { 
-                    return p.Threads; 
-                } 
-            } 
-            for (const auto& p : IO) { 
-                if (p.PoolId == poolId) { 
-                    return p.Threads; 
-                } 
-            } 
-            for (const auto& p : United) { 
-                if (p.PoolId == poolId) { 
-                    return p.Concurrency ? p.Concurrency : UnitedWorkers.CpuCount; 
-                } 
-            } 
-            Y_FAIL("undefined pool id: %" PRIu32, (ui32)poolId); 
-        } 
-    }; 
- 
-    struct TSchedulerConfig { 
-        TSchedulerConfig( 
-                ui64 resolution = 1024, 
-                ui64 spinThreshold = 100, 
-                ui64 progress = 10000, 
-                bool useSchedulerActor = false) 
-            : ResolutionMicroseconds(resolution) 
-            , SpinThreshold(spinThreshold) 
-            , ProgressThreshold(progress) 
-            , UseSchedulerActor(useSchedulerActor) 
-        {} 
- 
-        ui64 ResolutionMicroseconds = 1024; 
-        ui64 SpinThreshold = 100; 
-        ui64 ProgressThreshold = 10000; 
-        bool UseSchedulerActor = false; // False is default because tests use scheduler thread 
-        ui64 RelaxedSendPaceEventsPerSecond = 200000; 
-        ui64 RelaxedSendPaceEventsPerCycle = RelaxedSendPaceEventsPerSecond * ResolutionMicroseconds / 1000000; 
-        // For resolution >= 250000 microseconds threshold is SendPace 
-        // For resolution <= 250 microseconds threshold is 20 * SendPace 
-        ui64 RelaxedSendThresholdEventsPerSecond = RelaxedSendPaceEventsPerSecond * 
-            (20 - ((20 - 1) * ClampVal(ResolutionMicroseconds, ui64(250), ui64(250000)) - 250) / (250000 - 250)); 
-        ui64 RelaxedSendThresholdEventsPerCycle = RelaxedSendThresholdEventsPerSecond * ResolutionMicroseconds / 1000000; 
- 
-        // Optional subsection for scheduler counters (usually subsystem=utils) 
-        NMonitoring::TDynamicCounterPtr MonCounters = nullptr; 
-    }; 
- 
-    struct TCpuAllocation { 
-        struct TPoolAllocation { 
-            TPoolId PoolId; 
-            TPoolWeight Weight; 
- 
-            TPoolAllocation(TPoolId poolId = 0, TPoolWeight weight = 0) 
-                : PoolId(poolId) 
-                , Weight(weight) 
-            {} 
-        }; 
- 
-        TCpuId CpuId; 
-        TVector<TPoolAllocation> AllowedPools; 
- 
-        TPoolsMask GetPoolsMask() const { 
-            TPoolsMask mask = 0; 
-            for (const auto& pa : AllowedPools) { 
-                if (pa.PoolId < MaxPools) { 
-                    mask &= (1ull << pa.PoolId); 
-                } 
-            } 
-            return mask; 
-        } 
- 
-        bool HasPool(TPoolId pool) const { 
-            for (const auto& pa : AllowedPools) { 
-                if (pa.PoolId == pool) { 
-                    return true; 
-                } 
-            } 
-            return false; 
-        } 
-    }; 
- 
-    struct TCpuAllocationConfig { 
-        TVector<TCpuAllocation> Items; 
- 
-        TCpuAllocationConfig(const TCpuMask& available, const TCpuManagerConfig& cfg) { 
-            for (const TUnitedExecutorPoolConfig& pool : cfg.United) { 
-                Y_VERIFY(pool.PoolId < MaxPools, "wrong PoolId of united executor pool: %s(%d)", 
-                    pool.PoolName.c_str(), (pool.PoolId)); 
-            } 
-            ui32 allocated[MaxPools] = {0}; 
-            for (TCpuId cpu = 0; cpu < available.Size() && Items.size() < cfg.UnitedWorkers.CpuCount; cpu++) { 
-                if (available.IsSet(cpu)) { 
-                    TCpuAllocation item; 
-                    item.CpuId = cpu; 
-                    for (const TUnitedExecutorPoolConfig& pool : cfg.United) { 
-                        if (cfg.UnitedWorkers.Allowed.IsEmpty() || cfg.UnitedWorkers.Allowed.IsSet(cpu)) { 
-                            if (pool.Allowed.IsEmpty() || pool.Allowed.IsSet(cpu)) { 
-                                item.AllowedPools.emplace_back(pool.PoolId, pool.Weight); 
-                                allocated[pool.PoolId]++; 
-                            } 
-                        } 
-                    } 
-                    if (!item.AllowedPools.empty()) { 
-                        Items.push_back(item); 
-                    } 
-                } 
-            } 
-            for (const TUnitedExecutorPoolConfig& pool : cfg.United) { 
-                Y_VERIFY(allocated[pool.PoolId] > 0, "unable to allocate cpu for united executor pool: %s(%d)", 
-                    pool.PoolName.c_str(), (pool.PoolId)); 
-            } 
-        } 
- 
-        operator bool() const { 
-            return !Items.empty(); 
-        } 
-    }; 
- 
-} 
+#pragma once
+
+#include "defs.h"
+#include <library/cpp/actors/util/cpumask.h>
+#include <library/cpp/monlib/dynamic_counters/counters.h>
+#include <util/datetime/base.h>
+#include <util/generic/ptr.h>
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+
+namespace NActors {
+
+    struct TBalancingConfig {
+        // Default cpu count (used during overload). Zero value disables this pool balancing
+        // 1) Sum of `Cpus` on all pools cannot be changed without restart
+        //    (changing cpu mode between Shared and Assigned is not implemented yet)
+        // 2) This sum must be equal to TUnitedWorkersConfig::CpuCount,
+        //    otherwise `CpuCount - SUM(Cpus)` cpus will be in Shared mode (i.e. actorsystem 2.0)
+        ui32 Cpus = 0;
+
+        ui32 MinCpus = 0; // Lower balancing bound, should be at least 1, and not greater than `Cpus`
+        ui32 MaxCpus = 0; // Higher balancing bound, should be not lower than `Cpus`
+        ui8 Priority = 0; // Priority of pool to obtain cpu due to balancing (higher is better)
+        ui64 ToleratedLatencyUs = 0; // p100-latency threshold indicating that more cpus are required by pool
+    };
+
+    struct TBalancerConfig {
+        ui64 PeriodUs = 15000000; // Time between balancer steps
+    };
+
+    struct TBasicExecutorPoolConfig {
+        static constexpr TDuration DEFAULT_TIME_PER_MAILBOX = TDuration::MilliSeconds(10);
+        static constexpr ui32 DEFAULT_EVENTS_PER_MAILBOX = 100;
+
+        ui32 PoolId = 0;
+        TString PoolName;
+        ui32 Threads = 1;
+        ui64 SpinThreshold = 100;
+        TCpuMask Affinity; // Executor thread affinity
+        TDuration TimePerMailbox = DEFAULT_TIME_PER_MAILBOX;
+        ui32 EventsPerMailbox = DEFAULT_EVENTS_PER_MAILBOX;
+        int RealtimePriority = 0;
+        ui32 MaxActivityType = 1;
+    };
+
+    struct TIOExecutorPoolConfig {
+        ui32 PoolId = 0;
+        TString PoolName;
+        ui32 Threads = 1;
+        TCpuMask Affinity; // Executor thread affinity
+        ui32 MaxActivityType = 1;
+    };
+
+    struct TUnitedExecutorPoolConfig {
+        static constexpr TDuration DEFAULT_TIME_PER_MAILBOX = TDuration::MilliSeconds(10);
+        static constexpr ui32 DEFAULT_EVENTS_PER_MAILBOX = 100;
+
+        ui32 PoolId = 0;
+        TString PoolName;
+
+        // Resource sharing
+        ui32 Concurrency = 0; // Limits simultaneously running mailboxes count if set to non-zero value (do not set if Balancing.Cpus != 0)
+        TPoolWeight Weight = 0; // Weight in fair cpu-local pool scheduler
+        TCpuMask Allowed; // Allowed CPUs for workers to run this pool on (ignored if balancer works, i.e. actorsystem 1.5)
+
+        // Single mailbox execution limits
+        TDuration TimePerMailbox = DEFAULT_TIME_PER_MAILBOX;
+        ui32 EventsPerMailbox = DEFAULT_EVENTS_PER_MAILBOX;
+
+        // Introspection
+        ui32 MaxActivityType = 1;
+
+        // Long-term balancing
+        TBalancingConfig Balancing;
+    };
+
+    struct TUnitedWorkersConfig {
+        ui32 CpuCount = 0; // Total CPUs running united workers (i.e. TBasicExecutorPoolConfig::Threads analog); set to zero to disable united workers
+        ui64 SpinThresholdUs = 100; // Limit for active spinning in case all pools became idle
+        ui64 PoolLimitUs = 500; // Soft limit on pool execution
+        ui64 EventLimitUs = 100; // Hard limit on last event execution exceeding pool limit
+        ui64 LimitPrecisionUs = 100; // Maximum delay of timer on limit excess (delay needed to avoid settimer syscall on every pool switch)
+        ui64 FastWorkerPriority = 10; // Real-time priority of workers not exceeding hard limits
+        ui64 IdleWorkerPriority = 20; // Real-time priority of standby workers waiting for hard preemption on timers (should be greater than FastWorkerPriority)
+        TCpuMask Allowed; // Allowed CPUs for workers to run on (every worker has affinity for exactly one cpu)
+        bool NoRealtime = false; // For environments w/o permissions for RT-threads
+        bool NoAffinity = false; // For environments w/o permissions for cpu affinity
+        TBalancerConfig Balancer;
+    };
+
+    struct TCpuManagerConfig {
+        TUnitedWorkersConfig UnitedWorkers;
+        TVector<TBasicExecutorPoolConfig> Basic;
+        TVector<TIOExecutorPoolConfig> IO;
+        TVector<TUnitedExecutorPoolConfig> United;
+
+        ui32 GetExecutorsCount() const {
+            return Basic.size() + IO.size() + United.size();
+        }
+
+        TString GetPoolName(ui32 poolId) const {
+            for (const auto& p : Basic) {
+                if (p.PoolId == poolId) {
+                    return p.PoolName;
+                }
+            }
+            for (const auto& p : IO) {
+                if (p.PoolId == poolId) {
+                    return p.PoolName;
+                }
+            }
+            for (const auto& p : United) {
+                if (p.PoolId == poolId) {
+                    return p.PoolName;
+                }
+            }
+            Y_FAIL("undefined pool id: %" PRIu32, (ui32)poolId);
+        }
+
+        ui32 GetThreads(ui32 poolId) const {
+            for (const auto& p : Basic) {
+                if (p.PoolId == poolId) {
+                    return p.Threads;
+                }
+            }
+            for (const auto& p : IO) {
+                if (p.PoolId == poolId) {
+                    return p.Threads;
+                }
+            }
+            for (const auto& p : United) {
+                if (p.PoolId == poolId) {
+                    return p.Concurrency ? p.Concurrency : UnitedWorkers.CpuCount;
+                }
+            }
+            Y_FAIL("undefined pool id: %" PRIu32, (ui32)poolId);
+        }
+    };
+
+    struct TSchedulerConfig {
+        TSchedulerConfig(
+                ui64 resolution = 1024,
+                ui64 spinThreshold = 100,
+                ui64 progress = 10000,
+                bool useSchedulerActor = false)
+            : ResolutionMicroseconds(resolution)
+            , SpinThreshold(spinThreshold)
+            , ProgressThreshold(progress)
+            , UseSchedulerActor(useSchedulerActor)
+        {}
+
+        ui64 ResolutionMicroseconds = 1024;
+        ui64 SpinThreshold = 100;
+        ui64 ProgressThreshold = 10000;
+        bool UseSchedulerActor = false; // False is default because tests use scheduler thread
+        ui64 RelaxedSendPaceEventsPerSecond = 200000;
+        ui64 RelaxedSendPaceEventsPerCycle = RelaxedSendPaceEventsPerSecond * ResolutionMicroseconds / 1000000;
+        // For resolution >= 250000 microseconds threshold is SendPace
+        // For resolution <= 250 microseconds threshold is 20 * SendPace
+        ui64 RelaxedSendThresholdEventsPerSecond = RelaxedSendPaceEventsPerSecond *
+            (20 - ((20 - 1) * ClampVal(ResolutionMicroseconds, ui64(250), ui64(250000)) - 250) / (250000 - 250));
+        ui64 RelaxedSendThresholdEventsPerCycle = RelaxedSendThresholdEventsPerSecond * ResolutionMicroseconds / 1000000;
+
+        // Optional subsection for scheduler counters (usually subsystem=utils)
+        NMonitoring::TDynamicCounterPtr MonCounters = nullptr;
+    };
+
+    struct TCpuAllocation {
+        struct TPoolAllocation {
+            TPoolId PoolId;
+            TPoolWeight Weight;
+
+            TPoolAllocation(TPoolId poolId = 0, TPoolWeight weight = 0)
+                : PoolId(poolId)
+                , Weight(weight)
+            {}
+        };
+
+        TCpuId CpuId;
+        TVector<TPoolAllocation> AllowedPools;
+
+        TPoolsMask GetPoolsMask() const {
+            TPoolsMask mask = 0;
+            for (const auto& pa : AllowedPools) {
+                if (pa.PoolId < MaxPools) {
+                    mask &= (1ull << pa.PoolId);
+                }
+            }
+            return mask;
+        }
+
+        bool HasPool(TPoolId pool) const {
+            for (const auto& pa : AllowedPools) {
+                if (pa.PoolId == pool) {
+                    return true;
+                }
+            }
+            return false;
+        }
+    };
+
+    struct TCpuAllocationConfig {
+        TVector<TCpuAllocation> Items;
+
+        TCpuAllocationConfig(const TCpuMask& available, const TCpuManagerConfig& cfg) {
+            for (const TUnitedExecutorPoolConfig& pool : cfg.United) {
+                Y_VERIFY(pool.PoolId < MaxPools, "wrong PoolId of united executor pool: %s(%d)",
+                    pool.PoolName.c_str(), (pool.PoolId));
+            }
+            ui32 allocated[MaxPools] = {0};
+            for (TCpuId cpu = 0; cpu < available.Size() && Items.size() < cfg.UnitedWorkers.CpuCount; cpu++) {
+                if (available.IsSet(cpu)) {
+                    TCpuAllocation item;
+                    item.CpuId = cpu;
+                    for (const TUnitedExecutorPoolConfig& pool : cfg.United) {
+                        if (cfg.UnitedWorkers.Allowed.IsEmpty() || cfg.UnitedWorkers.Allowed.IsSet(cpu)) {
+                            if (pool.Allowed.IsEmpty() || pool.Allowed.IsSet(cpu)) {
+                                item.AllowedPools.emplace_back(pool.PoolId, pool.Weight);
+                                allocated[pool.PoolId]++;
+                            }
+                        }
+                    }
+                    if (!item.AllowedPools.empty()) {
+                        Items.push_back(item);
+                    }
+                }
+            }
+            for (const TUnitedExecutorPoolConfig& pool : cfg.United) {
+                Y_VERIFY(allocated[pool.PoolId] > 0, "unable to allocate cpu for united executor pool: %s(%d)",
+                    pool.PoolName.c_str(), (pool.PoolId));
+            }
+        }
+
+        operator bool() const {
+            return !Items.empty();
+        }
+    };
+
+}
diff --git a/library/cpp/actors/core/cpu_manager.cpp b/library/cpp/actors/core/cpu_manager.cpp
index 26aca975e9..39089b5d83 100644
--- a/library/cpp/actors/core/cpu_manager.cpp
+++ b/library/cpp/actors/core/cpu_manager.cpp
@@ -1,108 +1,108 @@
-#include "cpu_manager.h" 
-#include "probes.h" 
- 
-namespace NActors { 
-    LWTRACE_USING(ACTORLIB_PROVIDER); 
- 
-    void TCpuManager::Setup() { 
-        TAffinity available; 
-        available.Current(); 
-        TCpuAllocationConfig allocation(available, Config); 
- 
-        if (allocation) { 
-            if (!Balancer) { 
-                Balancer.Reset(MakeBalancer(Config.UnitedWorkers.Balancer, Config.United, GetCycleCountFast())); 
-            } 
-            UnitedWorkers.Reset(new TUnitedWorkers(Config.UnitedWorkers, Config.United, allocation, Balancer.Get())); 
-        } 
- 
-        Executors.Reset(new TAutoPtr<IExecutorPool>[ExecutorPoolCount]); 
- 
-        for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) { 
-            Executors[excIdx].Reset(CreateExecutorPool(excIdx)); 
-        } 
-    } 
- 
-    void TCpuManager::PrepareStart(TVector<NSchedulerQueue::TReader*>& scheduleReaders, TActorSystem* actorSystem) { 
-        if (UnitedWorkers) { 
-            UnitedWorkers->Prepare(actorSystem, scheduleReaders); 
-        } 
-        for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) { 
-            NSchedulerQueue::TReader* readers; 
-            ui32 readersCount = 0; 
-            Executors[excIdx]->Prepare(actorSystem, &readers, &readersCount); 
-            for (ui32 i = 0; i != readersCount; ++i, ++readers) { 
-                scheduleReaders.push_back(readers); 
-            } 
-        } 
-    } 
- 
-    void TCpuManager::Start() { 
-        if (UnitedWorkers) { 
-            UnitedWorkers->Start(); 
-        } 
-        for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) { 
-            Executors[excIdx]->Start(); 
-        } 
-    } 
- 
-    void TCpuManager::PrepareStop() { 
-        for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) { 
-            Executors[excIdx]->PrepareStop(); 
-        } 
-        if (UnitedWorkers) { 
-            UnitedWorkers->PrepareStop(); 
-        } 
-    } 
- 
-    void TCpuManager::Shutdown() { 
-        for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) { 
-            Executors[excIdx]->Shutdown(); 
-        } 
-        if (UnitedWorkers) { 
-            UnitedWorkers->Shutdown(); 
-        } 
-        for (ui32 round = 0, done = 0; done < ExecutorPoolCount && round < 3; ++round) { 
-            done = 0; 
-            for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) { 
-                if (Executors[excIdx]->Cleanup()) { 
-                    ++done; 
-                } 
-            } 
-        } 
-    } 
- 
-    void TCpuManager::Cleanup() { 
-        for (ui32 round = 0, done = 0; done < ExecutorPoolCount; ++round) { 
-            Y_VERIFY(round < 10, "actorsystem cleanup could not be completed in 10 rounds"); 
-            done = 0; 
-            for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) { 
-                if (Executors[excIdx]->Cleanup()) { 
-                    ++done; 
-                } 
-            } 
-        } 
-        Executors.Destroy(); 
-        UnitedWorkers.Destroy(); 
-    } 
- 
-    IExecutorPool* TCpuManager::CreateExecutorPool(ui32 poolId) { 
-        for (TBasicExecutorPoolConfig& cfg : Config.Basic) { 
-            if (cfg.PoolId == poolId) { 
-                return new TBasicExecutorPool(cfg); 
-            } 
-        } 
-        for (TIOExecutorPoolConfig& cfg : Config.IO) { 
-            if (cfg.PoolId == poolId) { 
-                return new TIOExecutorPool(cfg); 
-            } 
-        } 
-        for (TUnitedExecutorPoolConfig& cfg : Config.United) { 
-            if (cfg.PoolId == poolId) { 
-                IExecutorPool* result = new TUnitedExecutorPool(cfg, UnitedWorkers.Get()); 
-                return result; 
-            } 
-        } 
-        Y_FAIL("missing PoolId: %d", int(poolId)); 
-    } 
-} 
+#include "cpu_manager.h"
+#include "probes.h"
+
+namespace NActors {
+    LWTRACE_USING(ACTORLIB_PROVIDER);
+
+    void TCpuManager::Setup() {
+        TAffinity available;
+        available.Current();
+        TCpuAllocationConfig allocation(available, Config);
+
+        if (allocation) {
+            if (!Balancer) {
+                Balancer.Reset(MakeBalancer(Config.UnitedWorkers.Balancer, Config.United, GetCycleCountFast()));
+            }
+            UnitedWorkers.Reset(new TUnitedWorkers(Config.UnitedWorkers, Config.United, allocation, Balancer.Get()));
+        }
+
+        Executors.Reset(new TAutoPtr<IExecutorPool>[ExecutorPoolCount]);
+
+        for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) {
+            Executors[excIdx].Reset(CreateExecutorPool(excIdx));
+        }
+    }
+
+    void TCpuManager::PrepareStart(TVector<NSchedulerQueue::TReader*>& scheduleReaders, TActorSystem* actorSystem) {
+        if (UnitedWorkers) {
+            UnitedWorkers->Prepare(actorSystem, scheduleReaders);
+        }
+        for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) {
+            NSchedulerQueue::TReader* readers;
+            ui32 readersCount = 0;
+            Executors[excIdx]->Prepare(actorSystem, &readers, &readersCount);
+            for (ui32 i = 0; i != readersCount; ++i, ++readers) {
+                scheduleReaders.push_back(readers);
+            }
+        }
+    }
+
+    void TCpuManager::Start() {
+        if (UnitedWorkers) {
+            UnitedWorkers->Start();
+        }
+        for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) {
+            Executors[excIdx]->Start();
+        }
+    }
+
+    void TCpuManager::PrepareStop() {
+        for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) {
+            Executors[excIdx]->PrepareStop();
+        }
+        if (UnitedWorkers) {
+            UnitedWorkers->PrepareStop();
+        }
+    }
+
+    void TCpuManager::Shutdown() {
+        for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) {
+            Executors[excIdx]->Shutdown();
+        }
+        if (UnitedWorkers) {
+            UnitedWorkers->Shutdown();
+        }
+        for (ui32 round = 0, done = 0; done < ExecutorPoolCount && round < 3; ++round) {
+            done = 0;
+            for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) {
+                if (Executors[excIdx]->Cleanup()) {
+                    ++done;
+                }
+            }
+        }
+    }
+
+    void TCpuManager::Cleanup() {
+        for (ui32 round = 0, done = 0; done < ExecutorPoolCount; ++round) {
+            Y_VERIFY(round < 10, "actorsystem cleanup could not be completed in 10 rounds");
+            done = 0;
+            for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) {
+                if (Executors[excIdx]->Cleanup()) {
+                    ++done;
+                }
+            }
+        }
+        Executors.Destroy();
+        UnitedWorkers.Destroy();
+    }
+
+    IExecutorPool* TCpuManager::CreateExecutorPool(ui32 poolId) {
+        for (TBasicExecutorPoolConfig& cfg : Config.Basic) {
+            if (cfg.PoolId == poolId) {
+                return new TBasicExecutorPool(cfg);
+            }
+        }
+        for (TIOExecutorPoolConfig& cfg : Config.IO) {
+            if (cfg.PoolId == poolId) {
+                return new TIOExecutorPool(cfg);
+            }
+        }
+        for (TUnitedExecutorPoolConfig& cfg : Config.United) {
+            if (cfg.PoolId == poolId) {
+                IExecutorPool* result = new TUnitedExecutorPool(cfg, UnitedWorkers.Get());
+                return result;
+            }
+        }
+        Y_FAIL("missing PoolId: %d", int(poolId));
+    }
+}
diff --git a/library/cpp/actors/core/cpu_manager.h b/library/cpp/actors/core/cpu_manager.h
index fc67bfd34c..454035477b 100644
--- a/library/cpp/actors/core/cpu_manager.h
+++ b/library/cpp/actors/core/cpu_manager.h
@@ -1,57 +1,57 @@
-#pragma once 
- 
-#include "actorsystem.h" 
-#include "executor_pool_basic.h" 
-#include "executor_pool_io.h" 
-#include "executor_pool_united.h" 
- 
-namespace NActors { 
-    class TCpuManager : public TNonCopyable { 
-        const ui32 ExecutorPoolCount; 
-        TArrayHolder<TAutoPtr<IExecutorPool>> Executors; 
-        THolder<TUnitedWorkers> UnitedWorkers; 
-        THolder<IBalancer> Balancer; 
-        TCpuManagerConfig Config; 
-    public: 
-        explicit TCpuManager(THolder<TActorSystemSetup>& setup) 
-            : ExecutorPoolCount(setup->GetExecutorsCount()) 
-            , Balancer(setup->Balancer) 
-            , Config(setup->CpuManager) 
-        { 
-            if (setup->Executors) { // Explicit mode w/o united pools 
-                Executors.Reset(setup->Executors.Release()); 
-                for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) { 
-                    IExecutorPool* pool = Executors[excIdx].Get(); 
-                    Y_VERIFY(dynamic_cast<TUnitedExecutorPool*>(pool) == nullptr, 
-                        "united executor pool is prohibited in explicit mode of NActors::TCpuManager"); 
-                } 
-            } else { 
-                Setup(); 
-            } 
-        } 
- 
-        void Setup(); 
-        void PrepareStart(TVector<NSchedulerQueue::TReader*>& scheduleReaders, TActorSystem* actorSystem); 
-        void Start(); 
-        void PrepareStop(); 
-        void Shutdown(); 
-        void Cleanup(); 
- 
-        ui32 GetExecutorsCount() const { 
-            return ExecutorPoolCount; 
-        } 
- 
-        IExecutorPool* GetExecutorPool(ui32 poolId) { 
-            return Executors[poolId].Get(); 
-        } 
- 
-        void GetPoolStats(ui32 poolId, TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const { 
-            if (poolId < ExecutorPoolCount) { 
-                Executors[poolId]->GetCurrentStats(poolStats, statsCopy); 
-            } 
-        } 
- 
-    private: 
-        IExecutorPool* CreateExecutorPool(ui32 poolId); 
-    }; 
-} 
+#pragma once
+
+#include "actorsystem.h"
+#include "executor_pool_basic.h"
+#include "executor_pool_io.h"
+#include "executor_pool_united.h"
+
+namespace NActors {
+    class TCpuManager : public TNonCopyable {
+        const ui32 ExecutorPoolCount;
+        TArrayHolder<TAutoPtr<IExecutorPool>> Executors;
+        THolder<TUnitedWorkers> UnitedWorkers;
+        THolder<IBalancer> Balancer;
+        TCpuManagerConfig Config;
+    public:
+        explicit TCpuManager(THolder<TActorSystemSetup>& setup)
+            : ExecutorPoolCount(setup->GetExecutorsCount())
+            , Balancer(setup->Balancer)
+            , Config(setup->CpuManager)
+        {
+            if (setup->Executors) { // Explicit mode w/o united pools
+                Executors.Reset(setup->Executors.Release());
+                for (ui32 excIdx = 0; excIdx != ExecutorPoolCount; ++excIdx) {
+                    IExecutorPool* pool = Executors[excIdx].Get();
+                    Y_VERIFY(dynamic_cast<TUnitedExecutorPool*>(pool) == nullptr,
+                        "united executor pool is prohibited in explicit mode of NActors::TCpuManager");
+                }
+            } else {
+                Setup();
+            }
+        }
+
+        void Setup();
+        void PrepareStart(TVector<NSchedulerQueue::TReader*>& scheduleReaders, TActorSystem* actorSystem);
+        void Start();
+        void PrepareStop();
+        void Shutdown();
+        void Cleanup();
+
+        ui32 GetExecutorsCount() const {
+            return ExecutorPoolCount;
+        }
+
+        IExecutorPool* GetExecutorPool(ui32 poolId) {
+            return Executors[poolId].Get();
+        }
+
+        void GetPoolStats(ui32 poolId, TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const {
+            if (poolId < ExecutorPoolCount) {
+                Executors[poolId]->GetCurrentStats(poolStats, statsCopy);
+            }
+        }
+
+    private:
+        IExecutorPool* CreateExecutorPool(ui32 poolId);
+    };
+}
diff --git a/library/cpp/actors/core/cpu_state.h b/library/cpp/actors/core/cpu_state.h
index 34febf7ccf..b8030149a7 100644
--- a/library/cpp/actors/core/cpu_state.h
+++ b/library/cpp/actors/core/cpu_state.h
@@ -1,215 +1,215 @@
-#pragma once 
- 
-#include "defs.h" 
- 
-#include <library/cpp/actors/util/futex.h> 
- 
-namespace NActors { 
- 
-    class alignas(64) TCpuState { 
-        // Atomic cachelign-aligned 64-bit state, see description below 
-        TAtomic State = 0; 
-        char Padding[64 - sizeof(TAtomic)]; 
- 
-        // Bits 0-31: Currently executing pool 
-        //  - value less than MaxPools means cpu is executing corresponding pool (fast-worker is executing or waiting for slow-workers) 
-        //  - one of Cpu* values in case of idle cpu 
-        //  - used as futex by blocked fast-worker 
-        static constexpr ui64 CurrentBits = 32; 
-        static constexpr ui64 CurrentMask = ui64((1ull << CurrentBits) - 1); 
- 
-        // Bits 32-63: Assigned pool 
-        //  - value is set by balancer 
-        //  - NOT used as futex 
-        //  - Not balanced 
-        static constexpr ui64 AssignedOffs = 32; 
-        static constexpr ui64 AssignedMask = ~CurrentMask; 
- 
-    public: 
-        TCpuState() { 
-            Y_UNUSED(Padding); 
-        } 
- 
-        void Load(TPoolId& assigned, TPoolId& current) const { 
-            TAtomicBase state = AtomicLoad(&State); 
-            assigned = (state & AssignedMask) >> AssignedOffs; 
-            current = state & CurrentMask; 
-        } 
- 
-        TPoolId CurrentPool() const { 
-            return TPoolId(AtomicLoad(&State) & CurrentMask); 
-        } 
- 
-        void SwitchPool(TPoolId pool) { 
-            while (true) { 
-                TAtomicBase state = AtomicLoad(&State); 
-                if (AtomicCas(&State, (state & ~CurrentMask) | pool, state)) { 
-                    return; 
-                } 
-            } 
-        } 
- 
-        TPoolId AssignedPool() const { 
-            return TPoolId((AtomicLoad(&State) & AssignedMask) >> AssignedOffs); 
-        } 
- 
-        // Assigns new pool to cpu and wakes it up if cpu is idle 
-        void AssignPool(TPoolId pool) { 
-            while (true) { 
-                TAtomicBase state = AtomicLoad(&State); 
-                TPoolId current(state & CurrentMask); 
-                if (Y_UNLIKELY(current == CpuStopped)) { 
-                    return; // it would be better to shutdown instead of balancing 
-                } 
-                // Idle cpu must be woken up after balancing to handle pending tokens (if any) in assigned/schedulable pool(s) 
-                if (current == CpuSpinning) { 
-                    if (AtomicCas(&State, (ui64(pool) << AssignedOffs) | pool, state)) { 
-                        return; // successfully woken up 
-                    } 
-                } else if (current == CpuBlocked) { 
-                    if (AtomicCas(&State, (ui64(pool) << AssignedOffs) | pool, state)) { 
-                        FutexWake(); 
-                        return; // successfully woken up 
-                    } 
-                } else { 
-                    if (AtomicCas(&State, (ui64(pool) << AssignedOffs) | (state & ~AssignedMask), state)) { 
-                        return; // wakeup is not required 
-                    } 
-                } 
-            } 
-        } 
- 
-        void Stop() { 
-            while (true) { 
-                TAtomicBase state = AtomicLoad(&State); 
-                if (AtomicCas(&State, (state & ~CurrentMask) | CpuStopped, state)) { 
-                    FutexWake(); 
-                    return; // successfully stopped 
-                } 
-            } 
-        } 
- 
-        // Start waiting, returns false in case of actorsystem shutdown 
-        bool StartSpinning() { 
-            while (true) { 
-                TAtomicBase state = AtomicLoad(&State); 
-                TPoolId current(state & CurrentMask); 
-                if (Y_UNLIKELY(current == CpuStopped)) { 
-                    return false; 
-                } 
-                Y_VERIFY_DEBUG(current < MaxPools, "unexpected already waiting state of cpu (%d)", (int)current); 
-                if (AtomicCas(&State, (state & ~CurrentMask) | CpuSpinning, state)) { // successfully marked as spinning 
-                    return true; 
-                } 
-            } 
-        } 
- 
-        bool StartBlocking() { 
-            while (true) { 
-                TAtomicBase state = AtomicLoad(&State); 
-                TPoolId current(state & CurrentMask); 
-                if (current == CpuSpinning) { 
-                    if (AtomicCas(&State, (state & ~CurrentMask) | CpuBlocked, state)) { 
-                        return false; // successful switch 
-                    } 
-                } else { 
-                    return true; // wakeup 
-                } 
-            } 
-        } 
- 
-        bool Block(ui64 timeoutNs, TPoolId& result) { 
-#ifdef _linux_ 
-            timespec timeout; 
-            timeout.tv_sec = timeoutNs / 1'000'000'000; 
-            timeout.tv_nsec = timeoutNs % 1'000'000'000; 
-            SysFutex(Futex(), FUTEX_WAIT_PRIVATE, CpuBlocked, &timeout, nullptr, 0); 
-#else 
-            NanoSleep(timeoutNs); // non-linux wake is not supported, cpu will go idle on wake after blocked state 
-#endif 
-            TAtomicBase state = AtomicLoad(&State); 
-            TPoolId current(state & CurrentMask); 
-            if (current == CpuBlocked) { 
-                return false; // timeout 
-            } else { 
-                result = current; 
-                return true; // wakeup 
-            } 
-        } 
- 
-        enum EWakeResult { 
-            Woken, // successfully woken up 
-            NotIdle, // cpu is already not idle 
-            Forbidden, // cpu is assigned to another pool 
-            Stopped, // cpu is shutdown 
-        }; 
- 
-        EWakeResult WakeWithoutToken(TPoolId pool) { 
-            while (true) { 
-                TAtomicBase state = RelaxedLoad(&State); 
-                TPoolId current(state & CurrentMask); 
-                TPoolId assigned((state & AssignedMask) >> AssignedOffs); 
-                if (assigned == CpuShared || assigned == pool) { 
-                    if (current == CpuSpinning) { 
-                        if (AtomicCas(&State, (state & ~CurrentMask) | pool, state)) { 
-                            return Woken; 
-                        } 
-                    } else if (current == CpuBlocked) { 
-                        if (AtomicCas(&State, (state & ~CurrentMask) | pool, state)) { 
-                            FutexWake(); 
-                            return Woken; 
-                        } 
-                    } else if (current == CpuStopped) { 
-                        return Stopped; 
-                    } else { 
-                        return NotIdle; 
-                    } 
-                } else { 
-                    return Forbidden; 
-                } 
-            } 
-        } 
- 
-        EWakeResult WakeWithTokenAcquired(TPoolId token) { 
-            while (true) { 
-                TAtomicBase state = RelaxedLoad(&State); 
-                TPoolId current(state & CurrentMask); 
-                // NOTE: We ignore assigned value because we already have token, so 
-                // NOTE: not assigned pool may be run here. This will be fixed 
-                // NOTE: after we finish with current activation 
-                if (current == CpuSpinning) { 
-                    if (AtomicCas(&State, (state & ~CurrentMask) | token, state)) { 
-                        return Woken; 
-                    } 
-                } else if (current == CpuBlocked) { 
-                    if (AtomicCas(&State, (state & ~CurrentMask) | token, state)) { 
-                        FutexWake(); 
-                        return Woken; 
-                    } 
-                } else if (current == CpuStopped) { 
-                    return Stopped; 
-                } else { 
-                    return NotIdle; 
-                } 
-            } 
-        } 
- 
-        bool IsPoolReassigned(TPoolId current) const { 
-            TAtomicBase state = AtomicLoad(&State); 
-            TPoolId assigned((state & AssignedMask) >> AssignedOffs); 
-            return assigned != current; 
-        } 
- 
-    private: 
-        void* Futex() { 
-            return (void*)&State; // little endian assumed 
-        } 
- 
-        void FutexWake() { 
-#ifdef _linux_ 
-            SysFutex(Futex(), FUTEX_WAKE_PRIVATE, 1, nullptr, nullptr, 0); 
-#endif 
-        } 
-    }; 
- 
-} 
+#pragma once
+
+#include "defs.h"
+
+#include <library/cpp/actors/util/futex.h>
+
+namespace NActors {
+
+    class alignas(64) TCpuState {
+        // Atomic cachelign-aligned 64-bit state, see description below
+        TAtomic State = 0;
+        char Padding[64 - sizeof(TAtomic)];
+
+        // Bits 0-31: Currently executing pool
+        //  - value less than MaxPools means cpu is executing corresponding pool (fast-worker is executing or waiting for slow-workers)
+        //  - one of Cpu* values in case of idle cpu
+        //  - used as futex by blocked fast-worker
+        static constexpr ui64 CurrentBits = 32;
+        static constexpr ui64 CurrentMask = ui64((1ull << CurrentBits) - 1);
+
+        // Bits 32-63: Assigned pool
+        //  - value is set by balancer
+        //  - NOT used as futex
+        //  - Not balanced
+        static constexpr ui64 AssignedOffs = 32;
+        static constexpr ui64 AssignedMask = ~CurrentMask;
+
+    public:
+        TCpuState() {
+            Y_UNUSED(Padding);
+        }
+
+        void Load(TPoolId& assigned, TPoolId& current) const {
+            TAtomicBase state = AtomicLoad(&State);
+            assigned = (state & AssignedMask) >> AssignedOffs;
+            current = state & CurrentMask;
+        }
+
+        TPoolId CurrentPool() const {
+            return TPoolId(AtomicLoad(&State) & CurrentMask);
+        }
+
+        void SwitchPool(TPoolId pool) {
+            while (true) {
+                TAtomicBase state = AtomicLoad(&State);
+                if (AtomicCas(&State, (state & ~CurrentMask) | pool, state)) {
+                    return;
+                }
+            }
+        }
+
+        TPoolId AssignedPool() const {
+            return TPoolId((AtomicLoad(&State) & AssignedMask) >> AssignedOffs);
+        }
+
+        // Assigns new pool to cpu and wakes it up if cpu is idle
+        void AssignPool(TPoolId pool) {
+            while (true) {
+                TAtomicBase state = AtomicLoad(&State);
+                TPoolId current(state & CurrentMask);
+                if (Y_UNLIKELY(current == CpuStopped)) {
+                    return; // it would be better to shutdown instead of balancing
+                }
+                // Idle cpu must be woken up after balancing to handle pending tokens (if any) in assigned/schedulable pool(s)
+                if (current == CpuSpinning) {
+                    if (AtomicCas(&State, (ui64(pool) << AssignedOffs) | pool, state)) {
+                        return; // successfully woken up
+                    }
+                } else if (current == CpuBlocked) {
+                    if (AtomicCas(&State, (ui64(pool) << AssignedOffs) | pool, state)) {
+                        FutexWake();
+                        return; // successfully woken up
+                    }
+                } else {
+                    if (AtomicCas(&State, (ui64(pool) << AssignedOffs) | (state & ~AssignedMask), state)) {
+                        return; // wakeup is not required
+                    }
+                }
+            }
+        }
+
+        void Stop() {
+            while (true) {
+                TAtomicBase state = AtomicLoad(&State);
+                if (AtomicCas(&State, (state & ~CurrentMask) | CpuStopped, state)) {
+                    FutexWake();
+                    return; // successfully stopped
+                }
+            }
+        }
+
+        // Start waiting, returns false in case of actorsystem shutdown
+        bool StartSpinning() {
+            while (true) {
+                TAtomicBase state = AtomicLoad(&State);
+                TPoolId current(state & CurrentMask);
+                if (Y_UNLIKELY(current == CpuStopped)) {
+                    return false;
+                }
+                Y_VERIFY_DEBUG(current < MaxPools, "unexpected already waiting state of cpu (%d)", (int)current);
+                if (AtomicCas(&State, (state & ~CurrentMask) | CpuSpinning, state)) { // successfully marked as spinning
+                    return true;
+                }
+            }
+        }
+
+        bool StartBlocking() {
+            while (true) {
+                TAtomicBase state = AtomicLoad(&State);
+                TPoolId current(state & CurrentMask);
+                if (current == CpuSpinning) {
+                    if (AtomicCas(&State, (state & ~CurrentMask) | CpuBlocked, state)) {
+                        return false; // successful switch
+                    }
+                } else {
+                    return true; // wakeup
+                }
+            }
+        }
+
+        bool Block(ui64 timeoutNs, TPoolId& result) {
+#ifdef _linux_
+            timespec timeout;
+            timeout.tv_sec = timeoutNs / 1'000'000'000;
+            timeout.tv_nsec = timeoutNs % 1'000'000'000;
+            SysFutex(Futex(), FUTEX_WAIT_PRIVATE, CpuBlocked, &timeout, nullptr, 0);
+#else
+            NanoSleep(timeoutNs); // non-linux wake is not supported, cpu will go idle on wake after blocked state
+#endif
+            TAtomicBase state = AtomicLoad(&State);
+            TPoolId current(state & CurrentMask);
+            if (current == CpuBlocked) {
+                return false; // timeout
+            } else {
+                result = current;
+                return true; // wakeup
+            }
+        }
+
+        enum EWakeResult {
+            Woken, // successfully woken up
+            NotIdle, // cpu is already not idle
+            Forbidden, // cpu is assigned to another pool
+            Stopped, // cpu is shutdown
+        };
+
+        EWakeResult WakeWithoutToken(TPoolId pool) {
+            while (true) {
+                TAtomicBase state = RelaxedLoad(&State);
+                TPoolId current(state & CurrentMask);
+                TPoolId assigned((state & AssignedMask) >> AssignedOffs);
+                if (assigned == CpuShared || assigned == pool) {
+                    if (current == CpuSpinning) {
+                        if (AtomicCas(&State, (state & ~CurrentMask) | pool, state)) {
+                            return Woken;
+                        }
+                    } else if (current == CpuBlocked) {
+                        if (AtomicCas(&State, (state & ~CurrentMask) | pool, state)) {
+                            FutexWake();
+                            return Woken;
+                        }
+                    } else if (current == CpuStopped) {
+                        return Stopped;
+                    } else {
+                        return NotIdle;
+                    }
+                } else {
+                    return Forbidden;
+                }
+            }
+        }
+
+        EWakeResult WakeWithTokenAcquired(TPoolId token) {
+            while (true) {
+                TAtomicBase state = RelaxedLoad(&State);
+                TPoolId current(state & CurrentMask);
+                // NOTE: We ignore assigned value because we already have token, so
+                // NOTE: not assigned pool may be run here. This will be fixed
+                // NOTE: after we finish with current activation
+                if (current == CpuSpinning) {
+                    if (AtomicCas(&State, (state & ~CurrentMask) | token, state)) {
+                        return Woken;
+                    }
+                } else if (current == CpuBlocked) {
+                    if (AtomicCas(&State, (state & ~CurrentMask) | token, state)) {
+                        FutexWake();
+                        return Woken;
+                    }
+                } else if (current == CpuStopped) {
+                    return Stopped;
+                } else {
+                    return NotIdle;
+                }
+            }
+        }
+
+        bool IsPoolReassigned(TPoolId current) const {
+            TAtomicBase state = AtomicLoad(&State);
+            TPoolId assigned((state & AssignedMask) >> AssignedOffs);
+            return assigned != current;
+        }
+
+    private:
+        void* Futex() {
+            return (void*)&State; // little endian assumed
+        }
+
+        void FutexWake() {
+#ifdef _linux_
+            SysFutex(Futex(), FUTEX_WAKE_PRIVATE, 1, nullptr, nullptr, 0);
+#endif
+        }
+    };
+
+}
diff --git a/library/cpp/actors/core/defs.h b/library/cpp/actors/core/defs.h
index d331e98833..980b7d767b 100644
--- a/library/cpp/actors/core/defs.h
+++ b/library/cpp/actors/core/defs.h
@@ -13,30 +13,30 @@
 #define ACTORSLIB_COLLECT_EXEC_STATS
 
 namespace NActors {
-    using TPoolId = ui8; 
-    using TPoolsMask = ui64; 
-    static constexpr TPoolId PoolBits = 6; 
-    static constexpr TPoolId MaxPools = (1 << PoolBits) - 1; // maximum amount of pools (poolid=63 is reserved) 
-    static constexpr TPoolsMask WaitPoolsFlag = (1ull << MaxPools); // wait-for-slow-workers flag bitmask 
+    using TPoolId = ui8;
+    using TPoolsMask = ui64;
+    static constexpr TPoolId PoolBits = 6;
+    static constexpr TPoolId MaxPools = (1 << PoolBits) - 1; // maximum amount of pools (poolid=63 is reserved)
+    static constexpr TPoolsMask WaitPoolsFlag = (1ull << MaxPools); // wait-for-slow-workers flag bitmask
+
+    // Special TPoolId values used by TCpuState
+    static constexpr TPoolId CpuSpinning = MaxPools; // fast-worker is actively spinning, no slow-workers
+    static constexpr TPoolId CpuBlocked = MaxPools + 1; // fast-worker is blocked, no slow-workers
+    static constexpr TPoolId CpuStopped = TPoolId(-1); // special value indicating worker should stop
+    static constexpr TPoolId CpuShared = MaxPools; // special value for `assigned` meaning balancer disabled, pool scheduler is used instead
+
+    using TPoolWeight = ui16;
+    static constexpr TPoolWeight MinPoolWeight = 1;
+    static constexpr TPoolWeight DefPoolWeight = 32;
+    static constexpr TPoolWeight MaxPoolWeight = 1024;
+
+    using TWorkerId = ui16;
+    static constexpr TWorkerId WorkerBits = 11;
+    static constexpr TWorkerId MaxWorkers = 1 << WorkerBits;
+
+    using TThreadId = ui64;
+    static constexpr TThreadId UnknownThreadId = ui64(-1);
 
-    // Special TPoolId values used by TCpuState 
-    static constexpr TPoolId CpuSpinning = MaxPools; // fast-worker is actively spinning, no slow-workers 
-    static constexpr TPoolId CpuBlocked = MaxPools + 1; // fast-worker is blocked, no slow-workers 
-    static constexpr TPoolId CpuStopped = TPoolId(-1); // special value indicating worker should stop 
-    static constexpr TPoolId CpuShared = MaxPools; // special value for `assigned` meaning balancer disabled, pool scheduler is used instead 
- 
-    using TPoolWeight = ui16; 
-    static constexpr TPoolWeight MinPoolWeight = 1; 
-    static constexpr TPoolWeight DefPoolWeight = 32; 
-    static constexpr TPoolWeight MaxPoolWeight = 1024; 
- 
-    using TWorkerId = ui16; 
-    static constexpr TWorkerId WorkerBits = 11; 
-    static constexpr TWorkerId MaxWorkers = 1 << WorkerBits; 
- 
-    using TThreadId = ui64; 
-    static constexpr TThreadId UnknownThreadId = ui64(-1); 
- 
     struct TMailboxType {
         enum EType {
             Inherited = -1, // inherit mailbox from parent
diff --git a/library/cpp/actors/core/event_pb.h b/library/cpp/actors/core/event_pb.h
index bf9695da95..d7546b901a 100644
--- a/library/cpp/actors/core/event_pb.h
+++ b/library/cpp/actors/core/event_pb.h
@@ -291,10 +291,10 @@ namespace NActors {
         }
 
     public:
-        void ReservePayload(size_t size) { 
-            Payload.reserve(size); 
-        } 
- 
+        void ReservePayload(size_t size) {
+            Payload.reserve(size);
+        }
+
         ui32 AddPayload(TRope&& rope) {
             const ui32 id = Payload.size();
             Payload.push_back(std::move(rope));
diff --git a/library/cpp/actors/core/executor_pool_base.cpp b/library/cpp/actors/core/executor_pool_base.cpp
index 7340458631..c3b9999168 100644
--- a/library/cpp/actors/core/executor_pool_base.cpp
+++ b/library/cpp/actors/core/executor_pool_base.cpp
@@ -1,8 +1,8 @@
 #include "executor_pool_base.h"
 #include "executor_thread.h"
 #include "mailbox.h"
-#include "probes.h" 
-#include <library/cpp/actors/util/datetime.h> 
+#include "probes.h"
+#include <library/cpp/actors/util/datetime.h>
 
 namespace NActors {
     LWTRACE_USING(ACTORLIB_PROVIDER);
@@ -11,44 +11,44 @@ namespace NActors {
         actor->SelfActorId = self;
         actor->Registered(sys, owner);
     }
- 
-    TExecutorPoolBaseMailboxed::TExecutorPoolBaseMailboxed(ui32 poolId, ui32 maxActivityType) 
+
+    TExecutorPoolBaseMailboxed::TExecutorPoolBaseMailboxed(ui32 poolId, ui32 maxActivityType)
         : IExecutorPool(poolId)
         , ActorSystem(nullptr)
         , MailboxTable(new TMailboxTable)
 #ifdef ACTORSLIB_COLLECT_EXEC_STATS
         , Stats(maxActivityType)
 #endif
-    {} 
- 
-    TExecutorPoolBaseMailboxed::~TExecutorPoolBaseMailboxed() { 
-        MailboxTable.Destroy(); 
+    {}
+
+    TExecutorPoolBaseMailboxed::~TExecutorPoolBaseMailboxed() {
+        MailboxTable.Destroy();
     }
 
-    TExecutorPoolBase::TExecutorPoolBase(ui32 poolId, ui32 threads, TAffinity* affinity, ui32 maxActivityType) 
-        : TExecutorPoolBaseMailboxed(poolId, maxActivityType) 
-        , PoolThreads(threads) 
-        , ThreadsAffinity(affinity) 
-    {} 
- 
+    TExecutorPoolBase::TExecutorPoolBase(ui32 poolId, ui32 threads, TAffinity* affinity, ui32 maxActivityType)
+        : TExecutorPoolBaseMailboxed(poolId, maxActivityType)
+        , PoolThreads(threads)
+        , ThreadsAffinity(affinity)
+    {}
+
     TExecutorPoolBase::~TExecutorPoolBase() {
         while (Activations.Pop(0))
             ;
     }
 
-    void TExecutorPoolBaseMailboxed::ReclaimMailbox(TMailboxType::EType mailboxType, ui32 hint, TWorkerId workerId, ui64 revolvingWriteCounter) { 
-        Y_UNUSED(workerId); 
+    void TExecutorPoolBaseMailboxed::ReclaimMailbox(TMailboxType::EType mailboxType, ui32 hint, TWorkerId workerId, ui64 revolvingWriteCounter) {
+        Y_UNUSED(workerId);
         MailboxTable->ReclaimMailbox(mailboxType, hint, revolvingWriteCounter);
     }
 
-    ui64 TExecutorPoolBaseMailboxed::AllocateID() { 
+    ui64 TExecutorPoolBaseMailboxed::AllocateID() {
         return ActorSystem->AllocateIDSpace(1);
     }
 
-    bool TExecutorPoolBaseMailboxed::Send(TAutoPtr<IEventHandle>& ev) { 
+    bool TExecutorPoolBaseMailboxed::Send(TAutoPtr<IEventHandle>& ev) {
         Y_VERIFY_DEBUG(ev->GetRecipientRewrite().PoolID() == PoolId);
 #ifdef ACTORSLIB_COLLECT_EXEC_STATS
-        RelaxedStore(&ev->SendTime, (::NHPTimer::STime)GetCycleCountFast()); 
+        RelaxedStore(&ev->SendTime, (::NHPTimer::STime)GetCycleCountFast());
 #endif
         return MailboxTable->SendTo(ev, this);
     }
@@ -57,8 +57,8 @@ namespace NActors {
         ScheduleActivationEx(activation, AtomicIncrement(ActivationsRevolvingCounter));
     }
 
-    TActorId TExecutorPoolBaseMailboxed::Register(IActor* actor, TMailboxType::EType mailboxType, ui64 revolvingWriteCounter, const TActorId& parentId) { 
-        NHPTimer::STime hpstart = GetCycleCountFast(); 
+    TActorId TExecutorPoolBaseMailboxed::Register(IActor* actor, TMailboxType::EType mailboxType, ui64 revolvingWriteCounter, const TActorId& parentId) {
+        NHPTimer::STime hpstart = GetCycleCountFast();
 #ifdef ACTORSLIB_COLLECT_EXEC_STATS
         ui32 at = actor->GetActivityType();
         if (at >= Stats.MaxActivityType())
@@ -72,7 +72,7 @@ namespace NActors {
         TMailboxHeader* mailbox = nullptr;
 
         if (revolvingWriteCounter == 0)
-            revolvingWriteCounter = AtomicIncrement(RegisterRevolvingCounter); 
+            revolvingWriteCounter = AtomicIncrement(RegisterRevolvingCounter);
 
         {
             ui32 hintBackoff = 0;
@@ -105,34 +105,34 @@ namespace NActors {
 
         switch (mailboxType) {
             case TMailboxType::Simple:
-                UnlockFromExecution((TMailboxTable::TSimpleMailbox*)mailbox, this, false, hint, MaxWorkers, ++revolvingWriteCounter); 
+                UnlockFromExecution((TMailboxTable::TSimpleMailbox*)mailbox, this, false, hint, MaxWorkers, ++revolvingWriteCounter);
                 break;
             case TMailboxType::Revolving:
-                UnlockFromExecution((TMailboxTable::TRevolvingMailbox*)mailbox, this, false, hint, MaxWorkers, ++revolvingWriteCounter); 
+                UnlockFromExecution((TMailboxTable::TRevolvingMailbox*)mailbox, this, false, hint, MaxWorkers, ++revolvingWriteCounter);
                 break;
             case TMailboxType::HTSwap:
-                UnlockFromExecution((TMailboxTable::THTSwapMailbox*)mailbox, this, false, hint, MaxWorkers, ++revolvingWriteCounter); 
+                UnlockFromExecution((TMailboxTable::THTSwapMailbox*)mailbox, this, false, hint, MaxWorkers, ++revolvingWriteCounter);
                 break;
             case TMailboxType::ReadAsFilled:
-                UnlockFromExecution((TMailboxTable::TReadAsFilledMailbox*)mailbox, this, false, hint, MaxWorkers, ++revolvingWriteCounter); 
+                UnlockFromExecution((TMailboxTable::TReadAsFilledMailbox*)mailbox, this, false, hint, MaxWorkers, ++revolvingWriteCounter);
                 break;
             case TMailboxType::TinyReadAsFilled:
-                UnlockFromExecution((TMailboxTable::TTinyReadAsFilledMailbox*)mailbox, this, false, hint, MaxWorkers, ++revolvingWriteCounter); 
+                UnlockFromExecution((TMailboxTable::TTinyReadAsFilledMailbox*)mailbox, this, false, hint, MaxWorkers, ++revolvingWriteCounter);
                 break;
             default:
                 Y_FAIL();
         }
 
-        NHPTimer::STime elapsed = GetCycleCountFast() - hpstart; 
+        NHPTimer::STime elapsed = GetCycleCountFast() - hpstart;
         if (elapsed > 1000000) {
             LWPROBE(SlowRegisterNew, PoolId, NHPTimer::GetSeconds(elapsed) * 1000.0);
         }
 
         return actorId;
-    } 
- 
-    TActorId TExecutorPoolBaseMailboxed::Register(IActor* actor, TMailboxHeader* mailbox, ui32 hint, const TActorId& parentId) { 
-        NHPTimer::STime hpstart = GetCycleCountFast(); 
+    }
+
+    TActorId TExecutorPoolBaseMailboxed::Register(IActor* actor, TMailboxHeader* mailbox, ui32 hint, const TActorId& parentId) {
+        NHPTimer::STime hpstart = GetCycleCountFast();
 #ifdef ACTORSLIB_COLLECT_EXEC_STATS
         ui32 at = actor->GetActivityType();
         if (at >= Stats.MaxActivityType())
@@ -146,19 +146,19 @@ namespace NActors {
 
         const TActorId actorId(ActorSystem->NodeId, PoolId, localActorId, hint);
         DoActorInit(ActorSystem, actor, actorId, parentId);
-        NHPTimer::STime elapsed = GetCycleCountFast() - hpstart; 
+        NHPTimer::STime elapsed = GetCycleCountFast() - hpstart;
         if (elapsed > 1000000) {
             LWPROBE(SlowRegisterAdd, PoolId, NHPTimer::GetSeconds(elapsed) * 1000.0);
         }
 
         return actorId;
-    } 
- 
+    }
+
     TAffinity* TExecutorPoolBase::Affinity() const {
         return ThreadsAffinity.Get();
     }
 
-    bool TExecutorPoolBaseMailboxed::Cleanup() { 
+    bool TExecutorPoolBaseMailboxed::Cleanup() {
         return MailboxTable->Cleanup();
     }
 
diff --git a/library/cpp/actors/core/executor_pool_base.h b/library/cpp/actors/core/executor_pool_base.h
index 22247ae1c7..c84ce1af77 100644
--- a/library/cpp/actors/core/executor_pool_base.h
+++ b/library/cpp/actors/core/executor_pool_base.h
@@ -8,7 +8,7 @@
 #include <library/cpp/actors/util/threadparkpad.h>
 
 namespace NActors {
-    class TExecutorPoolBaseMailboxed: public IExecutorPool { 
+    class TExecutorPoolBaseMailboxed: public IExecutorPool {
     protected:
         TActorSystem* ActorSystem;
         THolder<TMailboxTable> MailboxTable;
@@ -17,33 +17,33 @@ namespace NActors {
         // registrations might be done in threads from other pools)
         TExecutorThreadStats Stats;
 #endif
-        TAtomic RegisterRevolvingCounter = 0; 
-        ui64 AllocateID(); 
+        TAtomic RegisterRevolvingCounter = 0;
+        ui64 AllocateID();
     public:
-        TExecutorPoolBaseMailboxed(ui32 poolId, ui32 maxActivityType); 
-        ~TExecutorPoolBaseMailboxed(); 
-        void ReclaimMailbox(TMailboxType::EType mailboxType, ui32 hint, TWorkerId workerId, ui64 revolvingWriteCounter) override; 
+        TExecutorPoolBaseMailboxed(ui32 poolId, ui32 maxActivityType);
+        ~TExecutorPoolBaseMailboxed();
+        void ReclaimMailbox(TMailboxType::EType mailboxType, ui32 hint, TWorkerId workerId, ui64 revolvingWriteCounter) override;
         bool Send(TAutoPtr<IEventHandle>& ev) override;
         TActorId Register(IActor* actor, TMailboxType::EType mailboxType, ui64 revolvingWriteCounter, const TActorId& parentId) override;
         TActorId Register(IActor* actor, TMailboxHeader* mailbox, ui32 hint, const TActorId& parentId) override;
         bool Cleanup() override;
-    }; 
+    };
 
-    class TExecutorPoolBase: public TExecutorPoolBaseMailboxed { 
-    protected: 
-        const ui32 PoolThreads; 
-        TIntrusivePtr<TAffinity> ThreadsAffinity; 
-        TAtomic Semaphore = 0; 
-        TUnorderedCache<ui32, 512, 4> Activations; 
-        TAtomic ActivationsRevolvingCounter = 0; 
-        volatile bool StopFlag = false; 
-    public: 
-        TExecutorPoolBase(ui32 poolId, ui32 threads, TAffinity* affinity, ui32 maxActivityType); 
-        ~TExecutorPoolBase(); 
-        void ScheduleActivation(ui32 activation) override; 
+    class TExecutorPoolBase: public TExecutorPoolBaseMailboxed {
+    protected:
+        const ui32 PoolThreads;
+        TIntrusivePtr<TAffinity> ThreadsAffinity;
+        TAtomic Semaphore = 0;
+        TUnorderedCache<ui32, 512, 4> Activations;
+        TAtomic ActivationsRevolvingCounter = 0;
+        volatile bool StopFlag = false;
+    public:
+        TExecutorPoolBase(ui32 poolId, ui32 threads, TAffinity* affinity, ui32 maxActivityType);
+        ~TExecutorPoolBase();
+        void ScheduleActivation(ui32 activation) override;
         TAffinity* Affinity() const override;
         ui32 GetThreads() const override;
     };
- 
-    void DoActorInit(TActorSystem*, IActor*, const TActorId&, const TActorId&); 
+
+    void DoActorInit(TActorSystem*, IActor*, const TActorId&, const TActorId&);
 }
diff --git a/library/cpp/actors/core/executor_pool_basic.cpp b/library/cpp/actors/core/executor_pool_basic.cpp
index 16541889c6..4dce16939a 100644
--- a/library/cpp/actors/core/executor_pool_basic.cpp
+++ b/library/cpp/actors/core/executor_pool_basic.cpp
@@ -1,8 +1,8 @@
 #include "executor_pool_basic.h"
-#include "probes.h" 
+#include "probes.h"
 #include "mailbox.h"
 #include <library/cpp/actors/util/affinity.h>
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 
 #ifdef _linux_
 #include <pthread.h>
@@ -12,7 +12,7 @@ namespace NActors {
     LWTRACE_USING(ACTORLIB_PROVIDER);
 
     constexpr TDuration TBasicExecutorPool::DEFAULT_TIME_PER_MAILBOX;
- 
+
     TBasicExecutorPool::TBasicExecutorPool(
         ui32 poolId,
         ui32 threads,
@@ -23,7 +23,7 @@ namespace NActors {
         ui32 eventsPerMailbox,
         int realtimePriority,
         ui32 maxActivityType)
-        : TExecutorPoolBase(poolId, threads, affinity, maxActivityType) 
+        : TExecutorPoolBase(poolId, threads, affinity, maxActivityType)
         , SpinThreshold(spinThreshold)
         , SpinThresholdCycles(spinThreshold * NHPTimer::GetCyclesPerSecond() * 0.000001) // convert microseconds to cycles
         , Threads(new TThreadCtx[threads])
@@ -38,45 +38,45 @@ namespace NActors {
     {
     }
 
-    TBasicExecutorPool::TBasicExecutorPool(const TBasicExecutorPoolConfig& cfg) 
-        : TBasicExecutorPool( 
-            cfg.PoolId, 
-            cfg.Threads, 
-            cfg.SpinThreshold, 
-            cfg.PoolName, 
-            new TAffinity(cfg.Affinity), 
-            cfg.TimePerMailbox, 
-            cfg.EventsPerMailbox, 
-            cfg.RealtimePriority, 
-            cfg.MaxActivityType 
-        ) 
-    {} 
- 
+    TBasicExecutorPool::TBasicExecutorPool(const TBasicExecutorPoolConfig& cfg)
+        : TBasicExecutorPool(
+            cfg.PoolId,
+            cfg.Threads,
+            cfg.SpinThreshold,
+            cfg.PoolName,
+            new TAffinity(cfg.Affinity),
+            cfg.TimePerMailbox,
+            cfg.EventsPerMailbox,
+            cfg.RealtimePriority,
+            cfg.MaxActivityType
+        )
+    {}
+
     TBasicExecutorPool::~TBasicExecutorPool() {
         Threads.Destroy();
     }
 
-    ui32 TBasicExecutorPool::GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) { 
-        ui32 workerId = wctx.WorkerId; 
-        Y_VERIFY_DEBUG(workerId < PoolThreads); 
+    ui32 TBasicExecutorPool::GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) {
+        ui32 workerId = wctx.WorkerId;
+        Y_VERIFY_DEBUG(workerId < PoolThreads);
 
         NHPTimer::STime elapsed = 0;
         NHPTimer::STime parked = 0;
         NHPTimer::STime blocked = 0;
-        NHPTimer::STime hpstart = GetCycleCountFast(); 
+        NHPTimer::STime hpstart = GetCycleCountFast();
         NHPTimer::STime hpnow;
 
-        TThreadCtx& threadCtx = Threads[workerId]; 
+        TThreadCtx& threadCtx = Threads[workerId];
         AtomicSet(threadCtx.WaitingFlag, TThreadCtx::WS_NONE);
 
         if (Y_UNLIKELY(AtomicGet(threadCtx.BlockedFlag) != TThreadCtx::BS_NONE)) {
             do {
                 if (AtomicCas(&threadCtx.BlockedFlag, TThreadCtx::BS_BLOCKED, TThreadCtx::BS_BLOCKING)) {
-                    hpnow = GetCycleCountFast(); 
+                    hpnow = GetCycleCountFast();
                     elapsed += hpnow - hpstart;
                     if (threadCtx.BlockedPad.Park()) // interrupted
                         return 0;
-                    hpstart = GetCycleCountFast(); 
+                    hpstart = GetCycleCountFast();
                     blocked += hpstart - hpnow;
                 }
             } while (AtomicGet(threadCtx.BlockedFlag) != TThreadCtx::BS_NONE && !AtomicLoad(&StopFlag));
@@ -94,7 +94,7 @@ namespace NActors {
                 // counter just turned into a duration and we should store that
                 // duration. Otherwise another thread raced with us and
                 // subtracted some other timestamp t2.
-                const i64 t = GetCycleCountFast(); 
+                const i64 t = GetCycleCountFast();
                 const i64 x = AtomicGetAndAdd(MaxUtilizationCounter, t);
                 if (x < 0 && x + t > 0)
                     AtomicStore(&MaxUtilizationAccumulator, x + t);
@@ -106,14 +106,14 @@ namespace NActors {
             if (SpinThreshold > 0) {
                 // spin configured period
                 AtomicSet(threadCtx.WaitingFlag, TThreadCtx::WS_ACTIVE);
-                ui64 start = GetCycleCountFast(); 
+                ui64 start = GetCycleCountFast();
                 bool doSpin = true;
                 while (true) {
                     for (ui32 j = 0; doSpin && j < 12; ++j) {
-                        if (GetCycleCountFast() >= (start + SpinThresholdCycles)) { 
-                            doSpin = false; 
-                            break; 
-                        } 
+                        if (GetCycleCountFast() >= (start + SpinThresholdCycles)) {
+                            doSpin = false;
+                            break;
+                        }
                         for (ui32 i = 0; i < 12; ++i) {
                             if (AtomicLoad(&threadCtx.WaitingFlag) == TThreadCtx::WS_ACTIVE) {
                                 SpinLockPause();
@@ -122,7 +122,7 @@ namespace NActors {
                                 break;
                             }
                         }
-                    } 
+                    }
                     if (!doSpin) {
                         break;
                     }
@@ -134,23 +134,23 @@ namespace NActors {
                 if (AtomicLoad(&threadCtx.WaitingFlag) == TThreadCtx::WS_ACTIVE) {
                     if (AtomicCas(&threadCtx.WaitingFlag, TThreadCtx::WS_BLOCKED, TThreadCtx::WS_ACTIVE)) {
                         do {
-                            hpnow = GetCycleCountFast(); 
+                            hpnow = GetCycleCountFast();
                             elapsed += hpnow - hpstart;
                             if (threadCtx.Pad.Park()) // interrupted
                                 return 0;
-                            hpstart = GetCycleCountFast(); 
+                            hpstart = GetCycleCountFast();
                             parked += hpstart - hpnow;
                         } while (AtomicLoad(&threadCtx.WaitingFlag) == TThreadCtx::WS_BLOCKED);
                     }
-                } 
+                }
             } else {
                 AtomicSet(threadCtx.WaitingFlag, TThreadCtx::WS_BLOCKED);
                 do {
-                    hpnow = GetCycleCountFast(); 
+                    hpnow = GetCycleCountFast();
                     elapsed += hpnow - hpstart;
                     if (threadCtx.Pad.Park()) // interrupted
                         return 0;
-                    hpstart = GetCycleCountFast(); 
+                    hpstart = GetCycleCountFast();
                     parked += hpstart - hpnow;
                 } while (AtomicLoad(&threadCtx.WaitingFlag) == TThreadCtx::WS_BLOCKED);
             }
@@ -170,7 +170,7 @@ namespace NActors {
                 // arbitrary order, which would cause counter to oscillate
                 // around zero. When it crosses zero is a good indication of a
                 // correct value.
-                const i64 t = GetCycleCountFast(); 
+                const i64 t = GetCycleCountFast();
                 const i64 x = AtomicGetAndAdd(MaxUtilizationCounter, -t);
                 if (x > 0 && x - t < 0)
                     AtomicStore(&MaxUtilizationAccumulator, x);
@@ -183,17 +183,17 @@ namespace NActors {
         // ok, has work suggested, must dequeue
         while (!RelaxedLoad(&StopFlag)) {
             if (const ui32 activation = Activations.Pop(++revolvingCounter)) {
-                hpnow = GetCycleCountFast(); 
+                hpnow = GetCycleCountFast();
                 elapsed += hpnow - hpstart;
-                wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, elapsed); 
+                wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, elapsed);
                 if (parked > 0) {
-                    wctx.AddParkedCycles(parked); 
+                    wctx.AddParkedCycles(parked);
                 }
                 if (blocked > 0) {
-                    wctx.AddBlockedCycles(blocked); 
+                    wctx.AddBlockedCycles(blocked);
                 }
                 return activation;
-            } 
+            }
             SpinLockPause();
         }
 
@@ -201,7 +201,7 @@ namespace NActors {
         return 0;
     }
 
-    inline void TBasicExecutorPool::WakeUpLoop() { 
+    inline void TBasicExecutorPool::WakeUpLoop() {
         for (ui32 i = 0;;) {
             TThreadCtx& threadCtx = Threads[i % PoolThreads];
             switch (AtomicLoad(&threadCtx.WaitingFlag)) {
@@ -230,7 +230,7 @@ namespace NActors {
         Activations.Push(activation, revolvingCounter);
         const TAtomic x = AtomicIncrement(Semaphore);
         if (x <= 0) { // we must find someone to wake-up
-            WakeUpLoop(); 
+            WakeUpLoop();
         }
     }
 
@@ -247,7 +247,7 @@ namespace NActors {
         }
     }
 
-    void TBasicExecutorPool::Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) { 
+    void TBasicExecutorPool::Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) {
         TAffinityGuard affinityGuard(Affinity());
 
         ActorSystem = actorSystem;
@@ -259,7 +259,7 @@ namespace NActors {
             Threads[i].Thread.Reset(
                 new TExecutorThread(
                     i,
-                    0, // CpuId is not used in BASIC pool 
+                    0, // CpuId is not used in BASIC pool
                     actorSystem,
                     this,
                     MailboxTable.Get(),
@@ -277,7 +277,7 @@ namespace NActors {
         TAffinityGuard affinityGuard(Affinity());
 
         ThreadUtilization = 0;
-        AtomicAdd(MaxUtilizationCounter, -(i64)GetCycleCountFast()); 
+        AtomicAdd(MaxUtilizationCounter, -(i64)GetCycleCountFast());
 
         for (ui32 i = 0; i != PoolThreads; ++i) {
             Threads[i].Thread->Start();
@@ -297,27 +297,27 @@ namespace NActors {
             Threads[i].Thread->Join();
     }
 
-    void TBasicExecutorPool::Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) { 
-        Y_VERIFY_DEBUG(workerId < PoolThreads); 
+    void TBasicExecutorPool::Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) {
+        Y_VERIFY_DEBUG(workerId < PoolThreads);
 
-        Schedule(deadline - ActorSystem->Timestamp(), ev, cookie, workerId); 
+        Schedule(deadline - ActorSystem->Timestamp(), ev, cookie, workerId);
     }
 
-    void TBasicExecutorPool::Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) { 
-        Y_VERIFY_DEBUG(workerId < PoolThreads); 
+    void TBasicExecutorPool::Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) {
+        Y_VERIFY_DEBUG(workerId < PoolThreads);
 
         const auto current = ActorSystem->Monotonic();
         if (deadline < current)
             deadline = current;
 
-        ScheduleWriters[workerId].Push(deadline.MicroSeconds(), ev.Release(), cookie); 
+        ScheduleWriters[workerId].Push(deadline.MicroSeconds(), ev.Release(), cookie);
     }
 
-    void TBasicExecutorPool::Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) { 
-        Y_VERIFY_DEBUG(workerId < PoolThreads); 
+    void TBasicExecutorPool::Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) {
+        Y_VERIFY_DEBUG(workerId < PoolThreads);
 
         const auto deadline = ActorSystem->Monotonic() + delta;
-        ScheduleWriters[workerId].Push(deadline.MicroSeconds(), ev.Release(), cookie); 
+        ScheduleWriters[workerId].Push(deadline.MicroSeconds(), ev.Release(), cookie);
     }
 
     void TBasicExecutorPool::SetRealTimeMode() const {
@@ -421,7 +421,7 @@ namespace NActors {
                                     ; // other thread woke this sleeping thread
                             }
                             // if thread has already been awakened then we must awaken the other
-                            WakeUpLoop(); 
+                            WakeUpLoop();
                         }
                     }
                 }
diff --git a/library/cpp/actors/core/executor_pool_basic.h b/library/cpp/actors/core/executor_pool_basic.h
index 83224ed9d3..023190f7fe 100644
--- a/library/cpp/actors/core/executor_pool_basic.h
+++ b/library/cpp/actors/core/executor_pool_basic.h
@@ -67,8 +67,8 @@ namespace NActors {
         TMutex ChangeThreadsLock;
 
     public:
-        static constexpr TDuration DEFAULT_TIME_PER_MAILBOX = TBasicExecutorPoolConfig::DEFAULT_TIME_PER_MAILBOX; 
-        static constexpr ui32 DEFAULT_EVENTS_PER_MAILBOX = TBasicExecutorPoolConfig::DEFAULT_EVENTS_PER_MAILBOX; 
+        static constexpr TDuration DEFAULT_TIME_PER_MAILBOX = TBasicExecutorPoolConfig::DEFAULT_TIME_PER_MAILBOX;
+        static constexpr ui32 DEFAULT_EVENTS_PER_MAILBOX = TBasicExecutorPoolConfig::DEFAULT_EVENTS_PER_MAILBOX;
 
         TBasicExecutorPool(ui32 poolId,
                            ui32 threads,
@@ -79,18 +79,18 @@ namespace NActors {
                            ui32 eventsPerMailbox = DEFAULT_EVENTS_PER_MAILBOX,
                            int realtimePriority = 0,
                            ui32 maxActivityType = 1);
-        explicit TBasicExecutorPool(const TBasicExecutorPoolConfig& cfg); 
+        explicit TBasicExecutorPool(const TBasicExecutorPoolConfig& cfg);
         ~TBasicExecutorPool();
 
-        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingReadCounter) override; 
+        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingReadCounter) override;
 
-        void Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override; 
-        void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override; 
-        void Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override; 
+        void Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
+        void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
+        void Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
 
         void ScheduleActivationEx(ui32 activation, ui64 revolvingWriteCounter) override;
 
-        void Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) override; 
+        void Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) override;
         void Start() override;
         void PrepareStop() override;
         void Shutdown() override;
@@ -106,6 +106,6 @@ namespace NActors {
         void SetThreadCount(ui32 threads);
 
     private:
-        void WakeUpLoop(); 
+        void WakeUpLoop();
     };
 }
diff --git a/library/cpp/actors/core/executor_pool_basic_ut.cpp b/library/cpp/actors/core/executor_pool_basic_ut.cpp
index be87e5df33..76dff693af 100644
--- a/library/cpp/actors/core/executor_pool_basic_ut.cpp
+++ b/library/cpp/actors/core/executor_pool_basic_ut.cpp
@@ -377,59 +377,59 @@ Y_UNIT_TEST_SUITE(BasicExecutorPool) {
             Sleep(TDuration::MilliSeconds(1));
         }
     }
- 
-    Y_UNIT_TEST(CheckStats) { 
-        const size_t size = 4; 
-        const size_t msgCount = 1e4; 
-        TBasicExecutorPool* executorPool = new TBasicExecutorPool(0, size, 50); 
- 
-        auto setup = GetActorSystemSetup(executorPool); 
-        TActorSystem actorSystem(setup); 
-        actorSystem.Start(); 
- 
-        auto begin = TInstant::Now(); 
- 
-        auto actor = new TTestSenderActor(); 
-        auto actorId = actorSystem.Register(actor); 
-        actor->Start(actor->SelfId(), msgCount); 
-        actorSystem.Send(actorId, new TEvMsg()); 
- 
-        while (actor->GetCounter()) { 
-            auto now = TInstant::Now(); 
-            UNIT_ASSERT_C(now - begin < TDuration::Seconds(5), "Counter is " << actor->GetCounter()); 
- 
-            Sleep(TDuration::MilliSeconds(1)); 
-        } 
- 
-        TVector<TExecutorThreadStats> stats; 
-        TExecutorPoolStats poolStats; 
-        actorSystem.GetPoolStats(0, poolStats, stats); 
-        // Sum all per-thread counters into the 0th element 
-        for (ui32 idx = 1; idx < stats.size(); ++idx) { 
-            stats[0].Aggregate(stats[idx]); 
-        } 
- 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].SentEvents, msgCount - 1); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEvents, msgCount); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].PreemptedEvents, 0); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].NonDeliveredEvents, 0); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].EmptyMailboxActivation, 0); 
-        //UNIT_ASSERT_VALUES_EQUAL(stats[0].CpuNs, 0); // depends on total duration of test, so undefined 
-        UNIT_ASSERT(stats[0].ElapsedTicks > 0); 
-        UNIT_ASSERT(stats[0].ParkedTicks > 0); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].BlockedTicks, 0); 
-        UNIT_ASSERT(stats[0].ActivationTimeHistogram.TotalSamples >= msgCount / TBasicExecutorPoolConfig::DEFAULT_EVENTS_PER_MAILBOX); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].EventDeliveryTimeHistogram.TotalSamples, msgCount); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].EventProcessingCountHistogram.TotalSamples, msgCount); 
-        UNIT_ASSERT(stats[0].EventProcessingTimeHistogram.TotalSamples > 0); 
-        UNIT_ASSERT(stats[0].ElapsedTicksByActivity[0] > 0); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEventsByActivity[0], msgCount); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].ActorsAliveByActivity[0], 1); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].ScheduledEventsByActivity[0], 0); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolActorRegistrations, 1); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolDestroyedActors, 0); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolAllocatedMailboxes, 4095); // one line 
-        UNIT_ASSERT(stats[0].MailboxPushedOutByTime + stats[0].MailboxPushedOutByEventCount >= msgCount / TBasicExecutorPoolConfig::DEFAULT_EVENTS_PER_MAILBOX); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].MailboxPushedOutBySoftPreemption, 0); 
-    } 
+
+    Y_UNIT_TEST(CheckStats) {
+        const size_t size = 4;
+        const size_t msgCount = 1e4;
+        TBasicExecutorPool* executorPool = new TBasicExecutorPool(0, size, 50);
+
+        auto setup = GetActorSystemSetup(executorPool);
+        TActorSystem actorSystem(setup);
+        actorSystem.Start();
+
+        auto begin = TInstant::Now();
+
+        auto actor = new TTestSenderActor();
+        auto actorId = actorSystem.Register(actor);
+        actor->Start(actor->SelfId(), msgCount);
+        actorSystem.Send(actorId, new TEvMsg());
+
+        while (actor->GetCounter()) {
+            auto now = TInstant::Now();
+            UNIT_ASSERT_C(now - begin < TDuration::Seconds(5), "Counter is " << actor->GetCounter());
+
+            Sleep(TDuration::MilliSeconds(1));
+        }
+
+        TVector<TExecutorThreadStats> stats;
+        TExecutorPoolStats poolStats;
+        actorSystem.GetPoolStats(0, poolStats, stats);
+        // Sum all per-thread counters into the 0th element
+        for (ui32 idx = 1; idx < stats.size(); ++idx) {
+            stats[0].Aggregate(stats[idx]);
+        }
+
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].SentEvents, msgCount - 1);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEvents, msgCount);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].PreemptedEvents, 0);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].NonDeliveredEvents, 0);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].EmptyMailboxActivation, 0);
+        //UNIT_ASSERT_VALUES_EQUAL(stats[0].CpuNs, 0); // depends on total duration of test, so undefined
+        UNIT_ASSERT(stats[0].ElapsedTicks > 0);
+        UNIT_ASSERT(stats[0].ParkedTicks > 0);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].BlockedTicks, 0);
+        UNIT_ASSERT(stats[0].ActivationTimeHistogram.TotalSamples >= msgCount / TBasicExecutorPoolConfig::DEFAULT_EVENTS_PER_MAILBOX);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].EventDeliveryTimeHistogram.TotalSamples, msgCount);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].EventProcessingCountHistogram.TotalSamples, msgCount);
+        UNIT_ASSERT(stats[0].EventProcessingTimeHistogram.TotalSamples > 0);
+        UNIT_ASSERT(stats[0].ElapsedTicksByActivity[0] > 0);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEventsByActivity[0], msgCount);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].ActorsAliveByActivity[0], 1);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].ScheduledEventsByActivity[0], 0);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolActorRegistrations, 1);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolDestroyedActors, 0);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolAllocatedMailboxes, 4095); // one line
+        UNIT_ASSERT(stats[0].MailboxPushedOutByTime + stats[0].MailboxPushedOutByEventCount >= msgCount / TBasicExecutorPoolConfig::DEFAULT_EVENTS_PER_MAILBOX);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].MailboxPushedOutBySoftPreemption, 0);
+    }
 }
diff --git a/library/cpp/actors/core/executor_pool_io.cpp b/library/cpp/actors/core/executor_pool_io.cpp
index 29e64220db..fb557ae6b0 100644
--- a/library/cpp/actors/core/executor_pool_io.cpp
+++ b/library/cpp/actors/core/executor_pool_io.cpp
@@ -1,59 +1,59 @@
 #include "executor_pool_io.h"
 #include "mailbox.h"
 #include <library/cpp/actors/util/affinity.h>
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 
 namespace NActors {
-    TIOExecutorPool::TIOExecutorPool(ui32 poolId, ui32 threads, const TString& poolName, TAffinity* affinity, ui32 maxActivityType) 
-        : TExecutorPoolBase(poolId, threads, affinity, maxActivityType) 
+    TIOExecutorPool::TIOExecutorPool(ui32 poolId, ui32 threads, const TString& poolName, TAffinity* affinity, ui32 maxActivityType)
+        : TExecutorPoolBase(poolId, threads, affinity, maxActivityType)
         , Threads(new TThreadCtx[threads])
         , PoolName(poolName)
-    {} 
-
-    TIOExecutorPool::TIOExecutorPool(const TIOExecutorPoolConfig& cfg) 
-        : TIOExecutorPool( 
-            cfg.PoolId, 
-            cfg.Threads, 
-            cfg.PoolName, 
-            new TAffinity(cfg.Affinity), 
-            cfg.MaxActivityType 
-        ) 
-    {} 
- 
+    {}
+
+    TIOExecutorPool::TIOExecutorPool(const TIOExecutorPoolConfig& cfg)
+        : TIOExecutorPool(
+            cfg.PoolId,
+            cfg.Threads,
+            cfg.PoolName,
+            new TAffinity(cfg.Affinity),
+            cfg.MaxActivityType
+        )
+    {}
+
     TIOExecutorPool::~TIOExecutorPool() {
         Threads.Destroy();
         while (ThreadQueue.Pop(0))
             ;
     }
 
-    ui32 TIOExecutorPool::GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) { 
-        ui32 workerId = wctx.WorkerId; 
-        Y_VERIFY_DEBUG(workerId < PoolThreads); 
+    ui32 TIOExecutorPool::GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) {
+        ui32 workerId = wctx.WorkerId;
+        Y_VERIFY_DEBUG(workerId < PoolThreads);
 
         NHPTimer::STime elapsed = 0;
         NHPTimer::STime parked = 0;
-        NHPTimer::STime hpstart = GetCycleCountFast(); 
+        NHPTimer::STime hpstart = GetCycleCountFast();
         NHPTimer::STime hpnow;
 
         const TAtomic x = AtomicDecrement(Semaphore);
         if (x < 0) {
-            TThreadCtx& threadCtx = Threads[workerId]; 
-            ThreadQueue.Push(workerId + 1, revolvingCounter); 
-            hpnow = GetCycleCountFast(); 
+            TThreadCtx& threadCtx = Threads[workerId];
+            ThreadQueue.Push(workerId + 1, revolvingCounter);
+            hpnow = GetCycleCountFast();
             elapsed += hpnow - hpstart;
             if (threadCtx.Pad.Park())
                 return 0;
-            hpstart = GetCycleCountFast(); 
+            hpstart = GetCycleCountFast();
             parked += hpstart - hpnow;
         }
 
         while (!RelaxedLoad(&StopFlag)) {
             if (const ui32 activation = Activations.Pop(++revolvingCounter)) {
-                hpnow = GetCycleCountFast(); 
+                hpnow = GetCycleCountFast();
                 elapsed += hpnow - hpstart;
-                wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, elapsed); 
+                wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, elapsed);
                 if (parked > 0) {
-                    wctx.AddParkedCycles(parked); 
+                    wctx.AddParkedCycles(parked);
                 }
                 return activation;
             }
@@ -63,12 +63,12 @@ namespace NActors {
         return 0;
     }
 
-    void TIOExecutorPool::Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) { 
-        Schedule(deadline - ActorSystem->Timestamp(), ev, cookie, workerId); 
+    void TIOExecutorPool::Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) {
+        Schedule(deadline - ActorSystem->Timestamp(), ev, cookie, workerId);
     }
 
-    void TIOExecutorPool::Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) { 
-        Y_UNUSED(workerId); 
+    void TIOExecutorPool::Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) {
+        Y_UNUSED(workerId);
 
         const auto current = ActorSystem->Monotonic();
         if (deadline < current)
@@ -78,8 +78,8 @@ namespace NActors {
         ScheduleQueue->Writer.Push(deadline.MicroSeconds(), ev.Release(), cookie);
     }
 
-    void TIOExecutorPool::Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) { 
-        Y_UNUSED(workerId); 
+    void TIOExecutorPool::Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) {
+        Y_UNUSED(workerId);
         const auto deadline = ActorSystem->Monotonic() + delta;
 
         TTicketLock::TGuard guard(&ScheduleLock);
@@ -101,7 +101,7 @@ namespace NActors {
         }
     }
 
-    void TIOExecutorPool::Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) { 
+    void TIOExecutorPool::Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) {
         TAffinityGuard affinityGuard(Affinity());
 
         ActorSystem = actorSystem;
@@ -109,7 +109,7 @@ namespace NActors {
         ScheduleQueue.Reset(new NSchedulerQueue::TQueueType());
 
         for (ui32 i = 0; i != PoolThreads; ++i) {
-            Threads[i].Thread.Reset(new TExecutorThread(i, 0, actorSystem, this, MailboxTable.Get(), PoolName)); 
+            Threads[i].Thread.Reset(new TExecutorThread(i, 0, actorSystem, this, MailboxTable.Get(), PoolName));
         }
 
         *scheduleReaders = &ScheduleQueue->Reader;
diff --git a/library/cpp/actors/core/executor_pool_io.h b/library/cpp/actors/core/executor_pool_io.h
index 00de73bacd..e576d642a1 100644
--- a/library/cpp/actors/core/executor_pool_io.h
+++ b/library/cpp/actors/core/executor_pool_io.h
@@ -25,20 +25,20 @@ namespace NActors {
         const TString PoolName;
 
     public:
-        TIOExecutorPool(ui32 poolId, ui32 threads, const TString& poolName = "", TAffinity* affinity = nullptr, 
+        TIOExecutorPool(ui32 poolId, ui32 threads, const TString& poolName = "", TAffinity* affinity = nullptr,
                         ui32 maxActivityType = 1);
-        explicit TIOExecutorPool(const TIOExecutorPoolConfig& cfg); 
+        explicit TIOExecutorPool(const TIOExecutorPoolConfig& cfg);
         ~TIOExecutorPool();
 
-        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) override; 
+        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) override;
 
-        void Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override; 
-        void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override; 
-        void Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override; 
+        void Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
+        void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
+        void Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
 
         void ScheduleActivationEx(ui32 activation, ui64 revolvingWriteCounter) override;
 
-        void Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) override; 
+        void Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) override;
         void Start() override;
         void PrepareStop() override;
         void Shutdown() override;
diff --git a/library/cpp/actors/core/executor_pool_united.cpp b/library/cpp/actors/core/executor_pool_united.cpp
index d932714aa9..dac6245635 100644
--- a/library/cpp/actors/core/executor_pool_united.cpp
+++ b/library/cpp/actors/core/executor_pool_united.cpp
@@ -1,1428 +1,1428 @@
-#include "executor_pool_united.h" 
- 
-#include "balancer.h" 
-#include "cpu_state.h" 
-#include "executor_thread.h" 
-#include "probes.h" 
+#include "executor_pool_united.h"
+
+#include "balancer.h"
+#include "cpu_state.h"
+#include "executor_thread.h"
+#include "probes.h"
 #include "mailbox.h"
-#include "scheduler_queue.h" 
+#include "scheduler_queue.h"
 #include <library/cpp/actors/util/affinity.h>
-#include <library/cpp/actors/util/datetime.h> 
-#include <library/cpp/actors/util/futex.h> 
-#include <library/cpp/actors/util/intrinsics.h> 
-#include <library/cpp/actors/util/timerfd.h> 
+#include <library/cpp/actors/util/datetime.h>
+#include <library/cpp/actors/util/futex.h>
+#include <library/cpp/actors/util/intrinsics.h>
+#include <library/cpp/actors/util/timerfd.h>
+
+#include <util/system/datetime.h>
+#include <util/system/hp_timer.h>
 
-#include <util/system/datetime.h> 
-#include <util/system/hp_timer.h> 
+#include <algorithm>
 
-#include <algorithm> 
- 
 namespace NActors {
     LWTRACE_USING(ACTORLIB_PROVIDER);
 
-    struct TUnitedWorkers::TWorker: public TNonCopyable { 
-        TAutoPtr<TExecutorThread> Thread; 
-        volatile TThreadId ThreadId = UnknownThreadId; 
-        NSchedulerQueue::TQueueType SchedulerQueue; 
-    }; 
-
-    struct TUnitedWorkers::TPool: public TNonCopyable { 
-        TAtomic Waiters = 0; // Number of idle cpus, waiting for activations in this pool 
-        char Padding[64 - sizeof(TAtomic)]; 
-
-        TUnorderedCache<ui32, 512, 4> Activations; // MPMC-queue for mailbox activations 
-        TAtomic Active = 0; // Number of mailboxes ready for execution or currently executing 
-        TAtomic Tokens = 0; // Pending tokens (token is required for worker to start execution, guarantees concurrency limit and activation availability) 
-        volatile bool StopFlag = false; 
-
-        // Configuration 
-        TPoolId PoolId; 
-        TAtomicBase Concurrency; // Max concurrent workers running this pool 
-        IExecutorPool* ExecutorPool; 
-        TMailboxTable* MailboxTable; 
-        ui64 TimePerMailboxTs; 
-        ui32 EventsPerMailbox; 
- 
-        // Cpus this pool is allowed to run on 
-        // Cpus are specified in wake order 
-        TStackVec<TCpu*, 15> WakeOrderCpus; 
- 
-        ~TPool() { 
-            while (Activations.Pop(0)) {} 
-        } 
- 
-        void Stop() { 
-            AtomicStore(&StopFlag, true); 
-        } 
- 
-        bool IsUnited() const { 
-            return WakeOrderCpus.size(); 
-        } 
- 
-        // Add activation of newly scheduled mailbox. Returns generated token (unless concurrency is exceeded) 
-        bool PushActivation(ui32 activation, ui64 revolvingCounter) { 
-            Activations.Push(activation, revolvingCounter); 
-            TAtomicBase active = AtomicIncrement(Active); 
-            if (active <= Concurrency) { // token generated 
-                AtomicIncrement(Tokens); 
-                return true; 
-            } 
-            return false; 
-        } 
- 
-        template <bool Relaxed> 
-        static bool TryAcquireTokenImpl(TAtomic* tokens) { 
-            while (true) { 
-                TAtomicBase value; 
-                if constexpr (Relaxed) { 
-                    value = RelaxedLoad(tokens); 
-                } else { 
-                    value = AtomicLoad(tokens); 
+    struct TUnitedWorkers::TWorker: public TNonCopyable {
+        TAutoPtr<TExecutorThread> Thread;
+        volatile TThreadId ThreadId = UnknownThreadId;
+        NSchedulerQueue::TQueueType SchedulerQueue;
+    };
+
+    struct TUnitedWorkers::TPool: public TNonCopyable {
+        TAtomic Waiters = 0; // Number of idle cpus, waiting for activations in this pool
+        char Padding[64 - sizeof(TAtomic)];
+
+        TUnorderedCache<ui32, 512, 4> Activations; // MPMC-queue for mailbox activations
+        TAtomic Active = 0; // Number of mailboxes ready for execution or currently executing
+        TAtomic Tokens = 0; // Pending tokens (token is required for worker to start execution, guarantees concurrency limit and activation availability)
+        volatile bool StopFlag = false;
+
+        // Configuration
+        TPoolId PoolId;
+        TAtomicBase Concurrency; // Max concurrent workers running this pool
+        IExecutorPool* ExecutorPool;
+        TMailboxTable* MailboxTable;
+        ui64 TimePerMailboxTs;
+        ui32 EventsPerMailbox;
+
+        // Cpus this pool is allowed to run on
+        // Cpus are specified in wake order
+        TStackVec<TCpu*, 15> WakeOrderCpus;
+
+        ~TPool() {
+            while (Activations.Pop(0)) {}
+        }
+
+        void Stop() {
+            AtomicStore(&StopFlag, true);
+        }
+
+        bool IsUnited() const {
+            return WakeOrderCpus.size();
+        }
+
+        // Add activation of newly scheduled mailbox. Returns generated token (unless concurrency is exceeded)
+        bool PushActivation(ui32 activation, ui64 revolvingCounter) {
+            Activations.Push(activation, revolvingCounter);
+            TAtomicBase active = AtomicIncrement(Active);
+            if (active <= Concurrency) { // token generated
+                AtomicIncrement(Tokens);
+                return true;
+            }
+            return false;
+        }
+
+        template <bool Relaxed>
+        static bool TryAcquireTokenImpl(TAtomic* tokens) {
+            while (true) {
+                TAtomicBase value;
+                if constexpr (Relaxed) {
+                    value = RelaxedLoad(tokens);
+                } else {
+                    value = AtomicLoad(tokens);
+                }
+                if (value > 0) {
+                    if (AtomicCas(tokens, value - 1, value)) {
+                        return true; // token acquired
+                    }
+                } else {
+                    return false; // no more tokens
+                }
+            }
+        }
+
+        // Try acquire pending token. Must be done before execution
+        bool TryAcquireToken() {
+            return TryAcquireTokenImpl<false>(&Tokens);
+        }
+
+        // Try acquire pending token. Must be done before execution
+        bool TryAcquireTokenRelaxed() {
+            return TryAcquireTokenImpl<true>(&Tokens);
+        }
+
+        // Get activation. Requires acquired token.
+        void BeginExecution(ui32& activation, ui64 revolvingCounter) {
+            while (!RelaxedLoad(&StopFlag)) {
+                if (activation = Activations.Pop(++revolvingCounter)) {
+                    return;
+                }
+                SpinLockPause();
+            }
+            activation = 0; // should stop
+        }
+
+        // End currently active execution and start new one if token is available.
+        // Reuses token if it's not destroyed.
+        // Returned `true` means successful switch, `activation` is filled.
+        // Returned `false` means execution has ended, no need to call StopExecution()
+        bool NextExecution(ui32& activation, ui64 revolvingCounter) {
+            if (AtomicDecrement(Active) >= Concurrency) { // reuse just released token
+                BeginExecution(activation, revolvingCounter);
+                return true;
+            } else if (TryAcquireToken()) { // another token acquired
+                BeginExecution(activation, revolvingCounter);
+                return true;
+            }
+            return false; // no more tokens available
+        }
+
+        // Stop active execution. Returns released token (unless it is destroyed)
+        bool StopExecution() {
+            TAtomicBase active = AtomicDecrement(Active);
+            if (active >= Concurrency) { // token released
+                AtomicIncrement(Tokens);
+                return true;
+            }
+            return false; // token destroyed
+        }
+
+        // Switch worker context into this pool
+        void Switch(TWorkerContext& wctx, ui64 softDeadlineTs, TExecutorThreadStats& stats) {
+            wctx.Switch(ExecutorPool, MailboxTable, TimePerMailboxTs, EventsPerMailbox, softDeadlineTs, &stats);
+        }
+    };
+
+    class TPoolScheduler {
+        class TSchedulable {
+            // Lower PoolBits store PoolId
+            // All other higher bits store virtual runtime in cycles
+            using TValue = ui64;
+            TValue Value;
+
+            static constexpr ui64 PoolIdMask = ui64((1ull << PoolBits) - 1);
+            static constexpr ui64 VRunTsMask = ~PoolIdMask;
+
+        public:
+            explicit TSchedulable(TPoolId poolId = MaxPools, ui64 vrunts = 0)
+                : Value((poolId & PoolIdMask) | (vrunts & VRunTsMask))
+            {}
+
+            TPoolId GetPoolId() const {
+                return Value & PoolIdMask;
+            }
+
+            ui64 GetVRunTs() const {
+                // Do not truncate pool id
+                // NOTE: it decrease accuracy, but improves performance
+                return Value;
+            }
+
+            ui64 GetPreciseVRunTs() const {
+                return Value & VRunTsMask;
+            }
+
+            void SetVRunTs(ui64 vrunts) {
+                Value = (Value & PoolIdMask) | (vrunts & VRunTsMask);
+            }
+
+            void Account(ui64 base, ui64 ts) {
+                // Add at least minimum amount to change Value
+                SetVRunTs(base + Max(ts, PoolIdMask + 1));
+            }
+        };
+
+        // For min-heap of Items
+        struct TCmp {
+            bool operator()(TSchedulable lhs, TSchedulable rhs) const {
+                return lhs.GetVRunTs() > rhs.GetVRunTs();
+            }
+        };
+
+        TPoolId Size = 0; // total number of pools on this cpu
+        TPoolId Current = 0; // index of current pool in `Items`
+
+        // At the beginning `Current` items are orginized as binary min-heap -- ready to be scheduled
+        // The rest `Size - Current` items are unordered (required to keep track of last vrunts)
+        TSchedulable Items[MaxPools]; // virtual runtime in cycles for each pool
+        ui64 MinVRunTs = 0; // virtual runtime used by waking pools (system's vrunts)
+        ui64 Ts = 0; // real timestamp of current execution start (for accounting)
+
+        // Maps PoolId into it's inverse weight
+        ui64 InvWeights[MaxPools];
+        static constexpr ui64 VRunTsOverflow = ui64(1ull << 62ull) / MaxPoolWeight;
+
+    public:
+        void AddPool(TPoolId pool, TPoolWeight weight) {
+            Items[Size] = TSchedulable(pool, MinVRunTs);
+            Size++;
+            InvWeights[pool] = MaxPoolWeight / std::clamp(weight ? weight : DefPoolWeight, MinPoolWeight, MaxPoolWeight);
+        }
+
+        // Iterate over pools in scheduling order
+        // should be used in construction:
+        // for (TPoolId pool = Begin(); pool != End(); pool = Next())
+        TPoolId Begin() {
+            // Wrap vruntime around to avoid overflow, if required
+            if (Y_UNLIKELY(MinVRunTs >= VRunTsOverflow)) {
+                for (TPoolId i = 0; i < Size; i++) {
+                    ui64 ts = Items[i].GetPreciseVRunTs();
+                    Items[i].SetVRunTs(ts >= VRunTsOverflow ? ts - VRunTsOverflow : 0);
                 }
-                if (value > 0) { 
-                    if (AtomicCas(tokens, value - 1, value)) { 
-                        return true; // token acquired 
-                    } 
-                } else { 
-                    return false; // no more tokens 
-                } 
-            } 
-        }
-
-        // Try acquire pending token. Must be done before execution 
-        bool TryAcquireToken() { 
-            return TryAcquireTokenImpl<false>(&Tokens); 
-        } 
-
-        // Try acquire pending token. Must be done before execution 
-        bool TryAcquireTokenRelaxed() { 
-            return TryAcquireTokenImpl<true>(&Tokens); 
-        } 
- 
-        // Get activation. Requires acquired token. 
-        void BeginExecution(ui32& activation, ui64 revolvingCounter) { 
-            while (!RelaxedLoad(&StopFlag)) { 
-                if (activation = Activations.Pop(++revolvingCounter)) { 
-                    return; 
-                } 
-                SpinLockPause(); 
-            }
-            activation = 0; // should stop 
-        } 
-
-        // End currently active execution and start new one if token is available. 
-        // Reuses token if it's not destroyed. 
-        // Returned `true` means successful switch, `activation` is filled. 
-        // Returned `false` means execution has ended, no need to call StopExecution() 
-        bool NextExecution(ui32& activation, ui64 revolvingCounter) { 
-            if (AtomicDecrement(Active) >= Concurrency) { // reuse just released token 
-                BeginExecution(activation, revolvingCounter); 
-                return true; 
-            } else if (TryAcquireToken()) { // another token acquired 
-                BeginExecution(activation, revolvingCounter); 
-                return true; 
-            } 
-            return false; // no more tokens available 
-        } 
-
-        // Stop active execution. Returns released token (unless it is destroyed) 
-        bool StopExecution() { 
-            TAtomicBase active = AtomicDecrement(Active); 
-            if (active >= Concurrency) { // token released 
-                AtomicIncrement(Tokens); 
-                return true; 
-            } 
-            return false; // token destroyed 
-        } 
- 
-        // Switch worker context into this pool 
-        void Switch(TWorkerContext& wctx, ui64 softDeadlineTs, TExecutorThreadStats& stats) { 
-            wctx.Switch(ExecutorPool, MailboxTable, TimePerMailboxTs, EventsPerMailbox, softDeadlineTs, &stats); 
-        } 
-    }; 
- 
-    class TPoolScheduler { 
-        class TSchedulable { 
-            // Lower PoolBits store PoolId 
-            // All other higher bits store virtual runtime in cycles 
-            using TValue = ui64; 
-            TValue Value; 
- 
-            static constexpr ui64 PoolIdMask = ui64((1ull << PoolBits) - 1); 
-            static constexpr ui64 VRunTsMask = ~PoolIdMask; 
- 
-        public: 
-            explicit TSchedulable(TPoolId poolId = MaxPools, ui64 vrunts = 0) 
-                : Value((poolId & PoolIdMask) | (vrunts & VRunTsMask)) 
-            {} 
- 
-            TPoolId GetPoolId() const { 
-                return Value & PoolIdMask; 
-            } 
- 
-            ui64 GetVRunTs() const { 
-                // Do not truncate pool id 
-                // NOTE: it decrease accuracy, but improves performance 
-                return Value; 
-            } 
- 
-            ui64 GetPreciseVRunTs() const { 
-                return Value & VRunTsMask; 
-            } 
- 
-            void SetVRunTs(ui64 vrunts) { 
-                Value = (Value & PoolIdMask) | (vrunts & VRunTsMask); 
-            } 
- 
-            void Account(ui64 base, ui64 ts) { 
-                // Add at least minimum amount to change Value 
-                SetVRunTs(base + Max(ts, PoolIdMask + 1)); 
-            } 
-        }; 
- 
-        // For min-heap of Items 
-        struct TCmp { 
-            bool operator()(TSchedulable lhs, TSchedulable rhs) const { 
-                return lhs.GetVRunTs() > rhs.GetVRunTs(); 
-            } 
-        }; 
- 
-        TPoolId Size = 0; // total number of pools on this cpu 
-        TPoolId Current = 0; // index of current pool in `Items` 
- 
-        // At the beginning `Current` items are orginized as binary min-heap -- ready to be scheduled 
-        // The rest `Size - Current` items are unordered (required to keep track of last vrunts) 
-        TSchedulable Items[MaxPools]; // virtual runtime in cycles for each pool 
-        ui64 MinVRunTs = 0; // virtual runtime used by waking pools (system's vrunts) 
-        ui64 Ts = 0; // real timestamp of current execution start (for accounting) 
- 
-        // Maps PoolId into it's inverse weight 
-        ui64 InvWeights[MaxPools]; 
-        static constexpr ui64 VRunTsOverflow = ui64(1ull << 62ull) / MaxPoolWeight; 
- 
-    public: 
-        void AddPool(TPoolId pool, TPoolWeight weight) { 
-            Items[Size] = TSchedulable(pool, MinVRunTs); 
-            Size++; 
-            InvWeights[pool] = MaxPoolWeight / std::clamp(weight ? weight : DefPoolWeight, MinPoolWeight, MaxPoolWeight); 
-        } 
- 
-        // Iterate over pools in scheduling order 
-        // should be used in construction: 
-        // for (TPoolId pool = Begin(); pool != End(); pool = Next()) 
-        TPoolId Begin() { 
-            // Wrap vruntime around to avoid overflow, if required 
-            if (Y_UNLIKELY(MinVRunTs >= VRunTsOverflow)) { 
-                for (TPoolId i = 0; i < Size; i++) { 
-                    ui64 ts = Items[i].GetPreciseVRunTs(); 
-                    Items[i].SetVRunTs(ts >= VRunTsOverflow ? ts - VRunTsOverflow : 0); 
-                } 
-                MinVRunTs -= VRunTsOverflow; 
-            } 
-            Current = Size; 
-            std::make_heap(Items, Items + Current, TCmp()); 
-            return Next(); 
-        } 
- 
-        constexpr TPoolId End() const { 
-            return MaxPools; 
-        } 
- 
-        TPoolId Next() { 
-            if (Current > 0) { 
-                std::pop_heap(Items, Items + Current, TCmp()); 
-                Current--; 
-                return CurrentPool(); 
-            } else { 
-                return End(); 
-            } 
-        } 
- 
-        // Scheduling was successful, we are going to run CurrentPool() 
-        void Scheduled() { 
-            MinVRunTs = Max(MinVRunTs, Items[Current].GetPreciseVRunTs()); 
-            // NOTE: Ts is propagated on Account() to avoid gaps 
-        } 
- 
-        // Schedule specific pool that woke up cpu after idle 
-        void ScheduledAfterIdle(TPoolId pool, ui64 ts) { 
-            if (Y_UNLIKELY(ts < Ts)) { // anomaly: time goes backwards (e.g. rdtsc is reset to zero on cpu reset) 
-                Ts = ts; // just skip anomalous time slice 
-                return; 
-            } 
-            MinVRunTs += (ts - Ts) * (MaxPoolWeight / DefPoolWeight); // propagate system's vrunts to blur difference between pools 
-            Ts = ts; // propagate time w/o accounting to any pool 
- 
-            // Set specified pool as current, it requires scan 
-            for (Current = 0; Current < Size && pool != Items[Current].GetPoolId(); Current++) {} 
-            Y_VERIFY(Current < Size); 
-        } 
- 
-        // Account currently running pool till now (ts) 
-        void Account(ui64 ts) { 
-            // Skip time slice for the first run and when time goes backwards (e.g. rdtsc is reset to zero on cpu reset) 
-            if (Y_LIKELY(Ts > 0 && Ts <= ts)) { 
-                TPoolId pool = CurrentPool(); 
-                Y_VERIFY(pool < MaxPools); 
-                Items[Current].Account(MinVRunTs, (ts - Ts) * InvWeights[pool]); 
-            } 
-            Ts = ts; // propagate time 
-        } 
- 
-        TPoolId CurrentPool() const { 
-            return Items[Current].GetPoolId(); 
-        } 
-    }; 
- 
-    // Cyclic array of timers for idle workers to wait for hard preemption on 
-    struct TIdleQueue: public TNonCopyable { 
-        TArrayHolder<TTimerFd> Timers; 
-        size_t Size; 
-        TAtomic EnqueueCounter = 0; 
-        TAtomic DequeueCounter = 0; 
- 
-        explicit TIdleQueue(size_t size) 
-            : Timers(new TTimerFd[size]) 
-            , Size(size) 
-        {} 
- 
-        void Stop() { 
-            for (size_t i = 0; i < Size; i++) { 
-                Timers[i].Wake(); 
-            } 
-        } 
- 
-        // Returns timer which new idle-worker should wait for 
-        TTimerFd* Enqueue() { 
-            return &Timers[AtomicGetAndIncrement(EnqueueCounter) % Size]; 
-        } 
- 
-        // Returns timer that hard preemption should trigger to wake idle-worker 
-        TTimerFd* Dequeue() { 
-            return &Timers[AtomicGetAndIncrement(DequeueCounter) % Size]; 
-        } 
-    }; 
- 
-    // Base class for cpu-local managers that help workers on single cpu to cooperate 
-    struct TCpuLocalManager: public TThrRefBase { 
-        TUnitedWorkers* United; 
- 
-        explicit TCpuLocalManager(TUnitedWorkers* united) 
-            : United(united) 
-        {} 
- 
-        virtual TWorkerId WorkerCount() const = 0; 
-        virtual void AddWorker(TWorkerId workerId) = 0; 
-        virtual void Stop() = 0; 
-    }; 
- 
-    // Represents cpu with single associated worker that is able to execute any pool. 
-    // It always executes pool assigned by balancer and switch pool only if assigned pool has changed 
-    struct TAssignedCpu: public TCpuLocalManager { 
-        bool Started = false; 
- 
-        TAssignedCpu(TUnitedWorkers* united) 
-            : TCpuLocalManager(united) 
-        {} 
- 
-        TWorkerId WorkerCount() const override { 
-            return 1; 
-        } 
- 
-        void AddWorker(TWorkerId workerId) override { 
-            Y_UNUSED(workerId); 
-        } 
- 
-        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) { 
-            ui32 activation; 
-            if (Y_UNLIKELY(!Started)) { 
-                Started = true; 
-            } else if (Y_UNLIKELY(United->IsPoolReassigned(wctx))) { 
-                United->StopExecution(wctx.PoolId); // stop current execution and switch pool if reassigned 
-            } else if (United->NextExecution(wctx.PoolId, activation, revolvingCounter)) { 
-                return activation; // another activation from currently executing pool (or 0 if stopped) 
-            } 
- 
-            // Switch to another pool, it blocks until token is acquired 
-            if (Y_UNLIKELY(!SwitchPool(wctx))) { 
-                return 0; // stopped 
-            } 
-            United->SwitchPool(wctx, 0); 
-            United->BeginExecution(wctx.PoolId, activation, revolvingCounter); 
-            return activation; 
-        } 
- 
-        void Stop() override { 
-        } 
- 
-    private: 
-        // Sets next pool to run, and acquires token, blocks if there are no tokens 
-        bool SwitchPool(TWorkerContext& wctx) { 
-            if (Y_UNLIKELY(United->IsStopped())) { 
-                return false; 
-            } 
- 
-            // Run balancer (if it's time to) 
-            United->Balance(); 
- 
-            // Select pool to execute 
-            wctx.PoolId = United->AssignedPool(wctx); 
-            Y_VERIFY(wctx.PoolId != CpuShared); 
-            if (United->TryAcquireToken(wctx.PoolId)) { 
-                return true; 
-            } 
- 
-            // No more work -- wait for activations (spinning, then blocked) 
-            wctx.PoolId = United->Idle(wctx.PoolId, wctx); 
- 
-            // Wakeup or stop occured 
-            if (Y_UNLIKELY(wctx.PoolId == CpuStopped)) { 
-                return false; 
-            } 
-            return true; // United->Idle() has already acquired token 
-        } 
-    }; 
- 
-    // Lock-free data structure that help workers on single cpu to discover their state and do hard preemptions 
-    struct TSharedCpu: public TCpuLocalManager { 
-        // Current lease 
-        volatile TLease::TValue CurrentLease; 
-        char Padding1[64 - sizeof(TLease)]; 
- 
-        // Slow pools 
-        // the highest bit: 1=wait-for-slow-workers mode 0=else 
-        // any lower bit (poolId is bit position): 1=pool-is-slow 0=pool-is-fast 
-        volatile TPoolsMask SlowPoolsMask = 0; 
-        char Padding2[64 - sizeof(TPoolsMask)]; 
- 
-        // Must be accessed under never expiring lease to avoid races 
-        TPoolScheduler PoolSched; 
-        TWorkerId FastWorker = MaxWorkers; 
-        TTimerFd* PreemptionTimer = nullptr; 
-        ui64 HardPreemptionTs = 0; 
-        bool Started = false; 
- 
-        TIdleQueue IdleQueue; 
- 
-        struct TConfig { 
-            const TCpuId CpuId; 
-            const TWorkerId Workers; 
-            ui64 SoftLimitTs; 
-            ui64 HardLimitTs; 
-            ui64 EventLimitTs; 
-            ui64 LimitPrecisionTs; 
-            const int IdleWorkerPriority; 
-            const int FastWorkerPriority; 
-            const bool NoRealtime; 
-            const bool NoAffinity; 
-            const TCpuAllocation CpuAlloc; 
- 
-            TConfig(const TCpuAllocation& allocation, const TUnitedWorkersConfig& united) 
-                : CpuId(allocation.CpuId) 
-                , Workers(allocation.AllowedPools.size() + 1) 
-                , SoftLimitTs(Us2Ts(united.PoolLimitUs)) 
-                , HardLimitTs(Us2Ts(united.PoolLimitUs + united.EventLimitUs)) 
-                , EventLimitTs(Us2Ts(united.EventLimitUs)) 
-                , LimitPrecisionTs(Us2Ts(united.LimitPrecisionUs)) 
-                , IdleWorkerPriority(std::clamp<ui64>(united.IdleWorkerPriority ? united.IdleWorkerPriority : 20, 1, 99)) 
-                , FastWorkerPriority(std::clamp<ui64>(united.FastWorkerPriority ? united.FastWorkerPriority : 10, 1, IdleWorkerPriority - 1)) 
-                , NoRealtime(united.NoRealtime) 
-                , NoAffinity(united.NoAffinity) 
-                , CpuAlloc(allocation) 
-            {} 
-        }; 
- 
-        TConfig Config; 
-        TVector<TWorkerId> Workers; 
- 
-        TSharedCpu(const TConfig& cfg, TUnitedWorkers* united) 
-            : TCpuLocalManager(united) 
-            , IdleQueue(cfg.Workers) 
-            , Config(cfg) 
-        { 
-            for (const auto& pa : Config.CpuAlloc.AllowedPools) { 
-                PoolSched.AddPool(pa.PoolId, pa.Weight); 
-            } 
-        } 
- 
-        TWorkerId WorkerCount() const override { 
-            return Config.Workers; 
-        } 
- 
-        void AddWorker(TWorkerId workerId) override { 
-            if (Workers.empty()) { 
-                // Grant lease to the first worker 
-                AtomicStore(&CurrentLease, TLease(workerId, NeverExpire).Value); 
-            } 
-            Workers.push_back(workerId); 
-        } 
- 
-        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) { 
-            ui32 activation; 
-            if (!wctx.Lease.IsNeverExpiring()) { 
-                if (wctx.SoftDeadlineTs < GetCycleCountFast()) { // stop if lease has expired or is near to be expired 
-                    United->StopExecution(wctx.PoolId); 
-                } else if (United->NextExecution(wctx.PoolId, activation, revolvingCounter)) { 
-                    return activation; // another activation from currently executing pool (or 0 if stopped) 
-                } 
-            } 
- 
-            // Switch to another pool, it blocks until token is acquired 
-            if (Y_UNLIKELY(!SwitchPool(wctx))) { 
-                return 0; // stopped 
-            } 
-            United->BeginExecution(wctx.PoolId, activation, revolvingCounter); 
-            return activation; 
-        } 
- 
-        void Stop() override { 
-            IdleQueue.Stop(); 
-        } 
- 
-    private: 
-        enum EPriority { 
-            IdlePriority, // highest (real-time, Config.IdleWorkerPriority) 
-            FastPriority, // normal (real-time, Config.FastWorkerPriority) 
-            SlowPriority, // lowest (not real-time) 
-        }; 
- 
-        enum EWorkerAction { 
-            // Fast-worker 
-            ExecuteFast, 
-            WaitForSlow, 
- 
-            // Slow-worker 
-            BecameIdle, 
-            WakeFast, 
- 
-            // Idle-worker 
-            BecameFast, 
-            Standby, 
- 
-            // Common 
-            Stopped, 
-        }; 
- 
-        // Thread-safe; should be called from worker 
-        // Blocks for idle-workers; sets lease and next pool to run 
-        bool SwitchPool(TWorkerContext& wctx) { 
-            TTimerFd* idleTimer = nullptr; 
-            while (true) { 
-                if (DisablePreemptionAndTryExtend(wctx.Lease)) { // if fast-worker 
-                    if (Y_UNLIKELY(!Started)) { 
-                        SetPriority(0, FastPriority); 
-                        Started = true; 
-                    } 
-                    while (true) { 
-                        switch (FastWorkerAction(wctx)) { 
-                        case ExecuteFast: 
-                            United->SwitchPool(wctx, wctx.Lease.GetPreciseExpireTs() - Config.EventLimitTs); 
-                            EnablePreemptionAndGrant(wctx.Lease); 
-                            return true; 
-                        case WaitForSlow: 
-                            FastWorkerSleep(GetCycleCountFast() + Config.SoftLimitTs); 
-                            break; 
-                        case Stopped: return false; 
-                        default: Y_FAIL(); 
-                        } 
-                    } 
-                } else if (wctx.Lease.IsNeverExpiring()) { // if idle-worker 
-                    switch (IdleWorkerAction(idleTimer, wctx.Lease.GetWorkerId())) { 
-                    case BecameFast: 
-                        SetPriority(0, FastPriority); 
-                        break; // try acquire new lease 
-                    case Standby: 
-                        if (!idleTimer) { 
-                            idleTimer = IdleQueue.Enqueue(); 
+                MinVRunTs -= VRunTsOverflow;
+            }
+            Current = Size;
+            std::make_heap(Items, Items + Current, TCmp());
+            return Next();
+        }
+
+        constexpr TPoolId End() const {
+            return MaxPools;
+        }
+
+        TPoolId Next() {
+            if (Current > 0) {
+                std::pop_heap(Items, Items + Current, TCmp());
+                Current--;
+                return CurrentPool();
+            } else {
+                return End();
+            }
+        }
+
+        // Scheduling was successful, we are going to run CurrentPool()
+        void Scheduled() {
+            MinVRunTs = Max(MinVRunTs, Items[Current].GetPreciseVRunTs());
+            // NOTE: Ts is propagated on Account() to avoid gaps
+        }
+
+        // Schedule specific pool that woke up cpu after idle
+        void ScheduledAfterIdle(TPoolId pool, ui64 ts) {
+            if (Y_UNLIKELY(ts < Ts)) { // anomaly: time goes backwards (e.g. rdtsc is reset to zero on cpu reset)
+                Ts = ts; // just skip anomalous time slice
+                return;
+            }
+            MinVRunTs += (ts - Ts) * (MaxPoolWeight / DefPoolWeight); // propagate system's vrunts to blur difference between pools
+            Ts = ts; // propagate time w/o accounting to any pool
+
+            // Set specified pool as current, it requires scan
+            for (Current = 0; Current < Size && pool != Items[Current].GetPoolId(); Current++) {}
+            Y_VERIFY(Current < Size);
+        }
+
+        // Account currently running pool till now (ts)
+        void Account(ui64 ts) {
+            // Skip time slice for the first run and when time goes backwards (e.g. rdtsc is reset to zero on cpu reset)
+            if (Y_LIKELY(Ts > 0 && Ts <= ts)) {
+                TPoolId pool = CurrentPool();
+                Y_VERIFY(pool < MaxPools);
+                Items[Current].Account(MinVRunTs, (ts - Ts) * InvWeights[pool]);
+            }
+            Ts = ts; // propagate time
+        }
+
+        TPoolId CurrentPool() const {
+            return Items[Current].GetPoolId();
+        }
+    };
+
+    // Cyclic array of timers for idle workers to wait for hard preemption on
+    struct TIdleQueue: public TNonCopyable {
+        TArrayHolder<TTimerFd> Timers;
+        size_t Size;
+        TAtomic EnqueueCounter = 0;
+        TAtomic DequeueCounter = 0;
+
+        explicit TIdleQueue(size_t size)
+            : Timers(new TTimerFd[size])
+            , Size(size)
+        {}
+
+        void Stop() {
+            for (size_t i = 0; i < Size; i++) {
+                Timers[i].Wake();
+            }
+        }
+
+        // Returns timer which new idle-worker should wait for
+        TTimerFd* Enqueue() {
+            return &Timers[AtomicGetAndIncrement(EnqueueCounter) % Size];
+        }
+
+        // Returns timer that hard preemption should trigger to wake idle-worker
+        TTimerFd* Dequeue() {
+            return &Timers[AtomicGetAndIncrement(DequeueCounter) % Size];
+        }
+    };
+
+    // Base class for cpu-local managers that help workers on single cpu to cooperate
+    struct TCpuLocalManager: public TThrRefBase {
+        TUnitedWorkers* United;
+
+        explicit TCpuLocalManager(TUnitedWorkers* united)
+            : United(united)
+        {}
+
+        virtual TWorkerId WorkerCount() const = 0;
+        virtual void AddWorker(TWorkerId workerId) = 0;
+        virtual void Stop() = 0;
+    };
+
+    // Represents cpu with single associated worker that is able to execute any pool.
+    // It always executes pool assigned by balancer and switch pool only if assigned pool has changed
+    struct TAssignedCpu: public TCpuLocalManager {
+        bool Started = false;
+
+        TAssignedCpu(TUnitedWorkers* united)
+            : TCpuLocalManager(united)
+        {}
+
+        TWorkerId WorkerCount() const override {
+            return 1;
+        }
+
+        void AddWorker(TWorkerId workerId) override {
+            Y_UNUSED(workerId);
+        }
+
+        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) {
+            ui32 activation;
+            if (Y_UNLIKELY(!Started)) {
+                Started = true;
+            } else if (Y_UNLIKELY(United->IsPoolReassigned(wctx))) {
+                United->StopExecution(wctx.PoolId); // stop current execution and switch pool if reassigned
+            } else if (United->NextExecution(wctx.PoolId, activation, revolvingCounter)) {
+                return activation; // another activation from currently executing pool (or 0 if stopped)
+            }
+
+            // Switch to another pool, it blocks until token is acquired
+            if (Y_UNLIKELY(!SwitchPool(wctx))) {
+                return 0; // stopped
+            }
+            United->SwitchPool(wctx, 0);
+            United->BeginExecution(wctx.PoolId, activation, revolvingCounter);
+            return activation;
+        }
+
+        void Stop() override {
+        }
+
+    private:
+        // Sets next pool to run, and acquires token, blocks if there are no tokens
+        bool SwitchPool(TWorkerContext& wctx) {
+            if (Y_UNLIKELY(United->IsStopped())) {
+                return false;
+            }
+
+            // Run balancer (if it's time to)
+            United->Balance();
+
+            // Select pool to execute
+            wctx.PoolId = United->AssignedPool(wctx);
+            Y_VERIFY(wctx.PoolId != CpuShared);
+            if (United->TryAcquireToken(wctx.PoolId)) {
+                return true;
+            }
+
+            // No more work -- wait for activations (spinning, then blocked)
+            wctx.PoolId = United->Idle(wctx.PoolId, wctx);
+
+            // Wakeup or stop occured
+            if (Y_UNLIKELY(wctx.PoolId == CpuStopped)) {
+                return false;
+            }
+            return true; // United->Idle() has already acquired token
+        }
+    };
+
+    // Lock-free data structure that help workers on single cpu to discover their state and do hard preemptions
+    struct TSharedCpu: public TCpuLocalManager {
+        // Current lease
+        volatile TLease::TValue CurrentLease;
+        char Padding1[64 - sizeof(TLease)];
+
+        // Slow pools
+        // the highest bit: 1=wait-for-slow-workers mode 0=else
+        // any lower bit (poolId is bit position): 1=pool-is-slow 0=pool-is-fast
+        volatile TPoolsMask SlowPoolsMask = 0;
+        char Padding2[64 - sizeof(TPoolsMask)];
+
+        // Must be accessed under never expiring lease to avoid races
+        TPoolScheduler PoolSched;
+        TWorkerId FastWorker = MaxWorkers;
+        TTimerFd* PreemptionTimer = nullptr;
+        ui64 HardPreemptionTs = 0;
+        bool Started = false;
+
+        TIdleQueue IdleQueue;
+
+        struct TConfig {
+            const TCpuId CpuId;
+            const TWorkerId Workers;
+            ui64 SoftLimitTs;
+            ui64 HardLimitTs;
+            ui64 EventLimitTs;
+            ui64 LimitPrecisionTs;
+            const int IdleWorkerPriority;
+            const int FastWorkerPriority;
+            const bool NoRealtime;
+            const bool NoAffinity;
+            const TCpuAllocation CpuAlloc;
+
+            TConfig(const TCpuAllocation& allocation, const TUnitedWorkersConfig& united)
+                : CpuId(allocation.CpuId)
+                , Workers(allocation.AllowedPools.size() + 1)
+                , SoftLimitTs(Us2Ts(united.PoolLimitUs))
+                , HardLimitTs(Us2Ts(united.PoolLimitUs + united.EventLimitUs))
+                , EventLimitTs(Us2Ts(united.EventLimitUs))
+                , LimitPrecisionTs(Us2Ts(united.LimitPrecisionUs))
+                , IdleWorkerPriority(std::clamp<ui64>(united.IdleWorkerPriority ? united.IdleWorkerPriority : 20, 1, 99))
+                , FastWorkerPriority(std::clamp<ui64>(united.FastWorkerPriority ? united.FastWorkerPriority : 10, 1, IdleWorkerPriority - 1))
+                , NoRealtime(united.NoRealtime)
+                , NoAffinity(united.NoAffinity)
+                , CpuAlloc(allocation)
+            {}
+        };
+
+        TConfig Config;
+        TVector<TWorkerId> Workers;
+
+        TSharedCpu(const TConfig& cfg, TUnitedWorkers* united)
+            : TCpuLocalManager(united)
+            , IdleQueue(cfg.Workers)
+            , Config(cfg)
+        {
+            for (const auto& pa : Config.CpuAlloc.AllowedPools) {
+                PoolSched.AddPool(pa.PoolId, pa.Weight);
+            }
+        }
+
+        TWorkerId WorkerCount() const override {
+            return Config.Workers;
+        }
+
+        void AddWorker(TWorkerId workerId) override {
+            if (Workers.empty()) {
+                // Grant lease to the first worker
+                AtomicStore(&CurrentLease, TLease(workerId, NeverExpire).Value);
+            }
+            Workers.push_back(workerId);
+        }
+
+        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) {
+            ui32 activation;
+            if (!wctx.Lease.IsNeverExpiring()) {
+                if (wctx.SoftDeadlineTs < GetCycleCountFast()) { // stop if lease has expired or is near to be expired
+                    United->StopExecution(wctx.PoolId);
+                } else if (United->NextExecution(wctx.PoolId, activation, revolvingCounter)) {
+                    return activation; // another activation from currently executing pool (or 0 if stopped)
+                }
+            }
+
+            // Switch to another pool, it blocks until token is acquired
+            if (Y_UNLIKELY(!SwitchPool(wctx))) {
+                return 0; // stopped
+            }
+            United->BeginExecution(wctx.PoolId, activation, revolvingCounter);
+            return activation;
+        }
+
+        void Stop() override {
+            IdleQueue.Stop();
+        }
+
+    private:
+        enum EPriority {
+            IdlePriority, // highest (real-time, Config.IdleWorkerPriority)
+            FastPriority, // normal (real-time, Config.FastWorkerPriority)
+            SlowPriority, // lowest (not real-time)
+        };
+
+        enum EWorkerAction {
+            // Fast-worker
+            ExecuteFast,
+            WaitForSlow,
+
+            // Slow-worker
+            BecameIdle,
+            WakeFast,
+
+            // Idle-worker
+            BecameFast,
+            Standby,
+
+            // Common
+            Stopped,
+        };
+
+        // Thread-safe; should be called from worker
+        // Blocks for idle-workers; sets lease and next pool to run
+        bool SwitchPool(TWorkerContext& wctx) {
+            TTimerFd* idleTimer = nullptr;
+            while (true) {
+                if (DisablePreemptionAndTryExtend(wctx.Lease)) { // if fast-worker
+                    if (Y_UNLIKELY(!Started)) {
+                        SetPriority(0, FastPriority);
+                        Started = true;
+                    }
+                    while (true) {
+                        switch (FastWorkerAction(wctx)) {
+                        case ExecuteFast:
+                            United->SwitchPool(wctx, wctx.Lease.GetPreciseExpireTs() - Config.EventLimitTs);
+                            EnablePreemptionAndGrant(wctx.Lease);
+                            return true;
+                        case WaitForSlow:
+                            FastWorkerSleep(GetCycleCountFast() + Config.SoftLimitTs);
+                            break;
+                        case Stopped: return false;
+                        default: Y_FAIL();
                         }
-                        SetPriority(0, IdlePriority); 
-                        idleTimer->Wait(); 
+                    }
+                } else if (wctx.Lease.IsNeverExpiring()) { // if idle-worker
+                    switch (IdleWorkerAction(idleTimer, wctx.Lease.GetWorkerId())) {
+                    case BecameFast:
+                        SetPriority(0, FastPriority);
+                        break; // try acquire new lease
+                    case Standby:
+                        if (!idleTimer) {
+                            idleTimer = IdleQueue.Enqueue();
+                        }
+                        SetPriority(0, IdlePriority);
+                        idleTimer->Wait();
                         break;
-                    case Stopped: return false; 
-                    default: Y_FAIL(); 
+                    case Stopped: return false;
+                    default: Y_FAIL();
                     }
-                } else { // lease has expired and hard preemption occured, so we are executing in a slow-worker 
-                    wctx.IncrementPreemptedEvents(); 
-                    switch (SlowWorkerAction(wctx.PoolId)) { 
-                    case WakeFast: 
-                        WakeFastWorker(); 
+                } else { // lease has expired and hard preemption occured, so we are executing in a slow-worker
+                    wctx.IncrementPreemptedEvents();
+                    switch (SlowWorkerAction(wctx.PoolId)) {
+                    case WakeFast:
+                        WakeFastWorker();
                         [[fallthrough]]; // no break; pass through
-                    case BecameIdle: 
-                        wctx.Lease = wctx.Lease.NeverExpire(); 
-                        wctx.PoolId = MaxPools; 
-                        idleTimer = nullptr; 
+                    case BecameIdle:
+                        wctx.Lease = wctx.Lease.NeverExpire();
+                        wctx.PoolId = MaxPools;
+                        idleTimer = nullptr;
                         break;
-                    case Stopped: return false; 
-                    default: Y_FAIL(); 
+                    case Stopped: return false;
+                    default: Y_FAIL();
                     }
                 }
-            } 
-        } 
- 
-        enum ETryRunPool { 
-            RunFastPool, 
-            RunSlowPool, 
-            NoTokens, 
-        }; 
- 
-        ETryRunPool TryRun(TPoolId pool) { 
-            while (true) { 
-                // updates WaitPoolsFlag in SlowPoolsMask according to scheduled pool slowness 
-                TPoolsMask slow = AtomicLoad(&SlowPoolsMask); 
-                if ((1ull << pool) & slow) { // we are about to execute slow pool (fast-worker will just wait, token is NOT required) 
-                    if (slow & WaitPoolsFlag) { 
-                        return RunSlowPool; // wait flag is already set 
-                    } else { 
-                        if (AtomicCas(&SlowPoolsMask, slow | WaitPoolsFlag, slow)) { // try set wait flag 
-                            return RunSlowPool; // wait flag has been successfully set 
-                        } 
+            }
+        }
+
+        enum ETryRunPool {
+            RunFastPool,
+            RunSlowPool,
+            NoTokens,
+        };
+
+        ETryRunPool TryRun(TPoolId pool) {
+            while (true) {
+                // updates WaitPoolsFlag in SlowPoolsMask according to scheduled pool slowness
+                TPoolsMask slow = AtomicLoad(&SlowPoolsMask);
+                if ((1ull << pool) & slow) { // we are about to execute slow pool (fast-worker will just wait, token is NOT required)
+                    if (slow & WaitPoolsFlag) {
+                        return RunSlowPool; // wait flag is already set
+                    } else {
+                        if (AtomicCas(&SlowPoolsMask, slow | WaitPoolsFlag, slow)) { // try set wait flag
+                            return RunSlowPool; // wait flag has been successfully set
+                        }
+                    }
+                } else { // we are about to execute fast pool, token required
+                    if (slow & WaitPoolsFlag) { // reset wait flag if required
+                        if (AtomicCas(&SlowPoolsMask, slow & ~WaitPoolsFlag, slow)) { // try reset wait flag
+                            return United->TryAcquireToken(pool) ? RunFastPool : NoTokens; // wait flag has been successfully reset
+                        }
+                    } else {
+                        return United->TryAcquireToken(pool) ? RunFastPool : NoTokens; // wait flag is already reset
                     }
-                } else { // we are about to execute fast pool, token required 
-                    if (slow & WaitPoolsFlag) { // reset wait flag if required 
-                        if (AtomicCas(&SlowPoolsMask, slow & ~WaitPoolsFlag, slow)) { // try reset wait flag 
-                            return United->TryAcquireToken(pool) ? RunFastPool : NoTokens; // wait flag has been successfully reset 
-                        } 
-                    } else { 
-                        return United->TryAcquireToken(pool) ? RunFastPool : NoTokens; // wait flag is already reset 
-                    } 
-                } 
-            } 
-        } 
- 
-        EWorkerAction FastWorkerAction(TWorkerContext& wctx) { 
-            if (Y_UNLIKELY(United->IsStopped())) { 
-                return Stopped; 
-            } 
- 
-            // Account current pool 
-            ui64 ts = GetCycleCountFast(); 
-            PoolSched.Account(ts); 
- 
-            // Select next pool to execute 
-            for (wctx.PoolId = PoolSched.Begin(); wctx.PoolId != PoolSched.End(); wctx.PoolId = PoolSched.Next()) { 
-                switch (TryRun(wctx.PoolId)) { 
-                case RunFastPool: 
-                    PoolSched.Scheduled(); 
-                    wctx.Lease = PostponePreemption(wctx.Lease.GetWorkerId(), ts); 
-                    return ExecuteFast; 
-                case RunSlowPool: 
-                    PoolSched.Scheduled(); 
-                    ResetPreemption(wctx.Lease.GetWorkerId(), ts); // there is no point in preemption during wait 
-                    return WaitForSlow; 
-                case NoTokens: // concurrency limit reached, or no more work in pool 
-                    break; // just try next pool (if any) 
-                } 
-            } 
- 
-            // No more work, no slow-workers -- wait for activations (active, then blocked) 
-            wctx.PoolId = United->Idle(CpuShared, wctx); 
- 
-            // Wakeup or stop occured 
-            if (Y_UNLIKELY(wctx.PoolId == CpuStopped)) { 
-                return Stopped; 
-            } 
-            ts = GetCycleCountFast(); 
-            PoolSched.ScheduledAfterIdle(wctx.PoolId, ts); 
-            wctx.Lease = PostponePreemption(wctx.Lease.GetWorkerId(), ts); 
-            return ExecuteFast; // United->Idle() has already acquired token 
-        } 
- 
-        EWorkerAction IdleWorkerAction(TTimerFd* idleTimer, TWorkerId workerId) { 
-            if (Y_UNLIKELY(United->IsStopped())) { 
-                return Stopped; 
-            } 
-            if (!idleTimer) { // either worker start or became idle -- hard preemption is not required 
-                return Standby; 
-            } 
- 
-            TLease lease = TLease(AtomicLoad(&CurrentLease)); 
-            ui64 ts = GetCycleCountFast(); 
-            if (lease.GetExpireTs() < ts) { // current lease has expired 
-                if (TryBeginHardPreemption(lease)) { 
-                    SetPoolIsSlowFlag(PoolSched.CurrentPool()); 
-                    TWorkerId preempted = lease.GetWorkerId(); 
-                    SetPriority(United->GetWorkerThreadId(preempted), SlowPriority); 
-                    LWPROBE(HardPreemption, Config.CpuId, PoolSched.CurrentPool(), preempted, workerId); 
-                    EndHardPreemption(workerId); 
-                    return BecameFast; 
-                } else { 
-                    // Lease has been changed just now, no way we need preemption right now, so no retry needed 
-                    return Standby; 
-                } 
+                }
+            }
+        }
+
+        EWorkerAction FastWorkerAction(TWorkerContext& wctx) {
+            if (Y_UNLIKELY(United->IsStopped())) {
+                return Stopped;
+            }
+
+            // Account current pool
+            ui64 ts = GetCycleCountFast();
+            PoolSched.Account(ts);
+
+            // Select next pool to execute
+            for (wctx.PoolId = PoolSched.Begin(); wctx.PoolId != PoolSched.End(); wctx.PoolId = PoolSched.Next()) {
+                switch (TryRun(wctx.PoolId)) {
+                case RunFastPool:
+                    PoolSched.Scheduled();
+                    wctx.Lease = PostponePreemption(wctx.Lease.GetWorkerId(), ts);
+                    return ExecuteFast;
+                case RunSlowPool:
+                    PoolSched.Scheduled();
+                    ResetPreemption(wctx.Lease.GetWorkerId(), ts); // there is no point in preemption during wait
+                    return WaitForSlow;
+                case NoTokens: // concurrency limit reached, or no more work in pool
+                    break; // just try next pool (if any)
+                }
+            }
+
+            // No more work, no slow-workers -- wait for activations (active, then blocked)
+            wctx.PoolId = United->Idle(CpuShared, wctx);
+
+            // Wakeup or stop occured
+            if (Y_UNLIKELY(wctx.PoolId == CpuStopped)) {
+                return Stopped;
+            }
+            ts = GetCycleCountFast();
+            PoolSched.ScheduledAfterIdle(wctx.PoolId, ts);
+            wctx.Lease = PostponePreemption(wctx.Lease.GetWorkerId(), ts);
+            return ExecuteFast; // United->Idle() has already acquired token
+        }
+
+        EWorkerAction IdleWorkerAction(TTimerFd* idleTimer, TWorkerId workerId) {
+            if (Y_UNLIKELY(United->IsStopped())) {
+                return Stopped;
+            }
+            if (!idleTimer) { // either worker start or became idle -- hard preemption is not required
+                return Standby;
+            }
+
+            TLease lease = TLease(AtomicLoad(&CurrentLease));
+            ui64 ts = GetCycleCountFast();
+            if (lease.GetExpireTs() < ts) { // current lease has expired
+                if (TryBeginHardPreemption(lease)) {
+                    SetPoolIsSlowFlag(PoolSched.CurrentPool());
+                    TWorkerId preempted = lease.GetWorkerId();
+                    SetPriority(United->GetWorkerThreadId(preempted), SlowPriority);
+                    LWPROBE(HardPreemption, Config.CpuId, PoolSched.CurrentPool(), preempted, workerId);
+                    EndHardPreemption(workerId);
+                    return BecameFast;
+                } else {
+                    // Lease has been changed just now, no way we need preemption right now, so no retry needed
+                    return Standby;
+                }
             } else {
-                // Lease has not expired yet (maybe never expiring lease) 
-                return Standby; 
-            }
-        } 
-
-        EWorkerAction SlowWorkerAction(TPoolId pool) { 
-            if (Y_UNLIKELY(United->IsStopped())) { 
-                return Stopped; 
-            } 
-            while (true) { 
-                TPoolsMask slow = AtomicLoad(&SlowPoolsMask); 
-                if (slow & (1ull << pool)) { 
-                    if (slow == (1ull << pool) & WaitPoolsFlag) { // the last slow pool is going to became fast 
-                        if (AtomicCas(&SlowPoolsMask, 0, slow)) { // reset both pool-is-slow flag and WaitPoolsFlag 
-                            return WakeFast; 
-                        } 
-                    } else { // there are (a) several slow-worker or (b) one slow-worker w/o waiting fast-worker 
-                        if (AtomicCas(&SlowPoolsMask, slow & ~(1ull << pool), slow)) { // reset pool-is-slow flag 
-                            return BecameIdle; 
-                        } 
-                    } 
-                } else { 
-                    // SlowWorkerAction has been called between TryBeginHardPreemption and SetPoolIsSlowFlag 
-                    // flag for this pool is not set yet, but we can be sure pool is slow: 
-                    //  - because SlowWorkerAction has been called; 
-                    //  - this mean lease has expired and hard preemption occured. 
-                    // So just wait other worker to call SetPoolIsSlowFlag 
-                    LWPROBE(SlowWorkerActionRace, Config.CpuId, pool, slow); 
-                } 
-            } 
-        } 
-
-        void SetPoolIsSlowFlag(TPoolId pool) { 
-            while (true) { 
-                TPoolsMask slow = AtomicLoad(&SlowPoolsMask); 
-                if ((slow & (1ull << pool)) == 0) { // if pool is fast 
-                    if (AtomicCas(&SlowPoolsMask, slow | (1ull << pool), slow)) { // set pool-is-slow flag 
-                        return; 
-                    } 
-                } else { 
-                    Y_FAIL("two slow-workers executing the same pool on the same core"); 
-                    return; // pool is already slow 
-                } 
-            }
-        }
-
-        bool TryBeginHardPreemption(TLease lease) { 
-            return AtomicCas(&CurrentLease, HardPreemptionLease, lease); 
-        } 
- 
-        void EndHardPreemption(TWorkerId to) { 
-            ATOMIC_COMPILER_BARRIER(); 
-            if (!AtomicCas(&CurrentLease, TLease(to, NeverExpire), HardPreemptionLease)) { 
-                Y_FAIL("hard preemption failed"); 
-            } 
-        } 
- 
-        bool DisablePreemptionAndTryExtend(TLease lease) { 
-            return AtomicCas(&CurrentLease, lease.NeverExpire(), lease); 
-        } 
- 
-        void EnablePreemptionAndGrant(TLease lease) { 
-            ATOMIC_COMPILER_BARRIER(); 
-            if (!AtomicCas(&CurrentLease, lease, lease.NeverExpire())) { 
-                Y_FAIL("lease grant failed"); 
-            } 
-        } 
- 
-        void FastWorkerSleep(ui64 deadlineTs) { 
-            while (true) { 
-                TPoolsMask slow = AtomicLoad(&SlowPoolsMask); 
-                if ((slow & WaitPoolsFlag) == 0) { 
-                    return; // woken by WakeFast action 
+                // Lease has not expired yet (maybe never expiring lease)
+                return Standby;
+            }
+        }
+
+        EWorkerAction SlowWorkerAction(TPoolId pool) {
+            if (Y_UNLIKELY(United->IsStopped())) {
+                return Stopped;
+            }
+            while (true) {
+                TPoolsMask slow = AtomicLoad(&SlowPoolsMask);
+                if (slow & (1ull << pool)) {
+                    if (slow == (1ull << pool) & WaitPoolsFlag) { // the last slow pool is going to became fast
+                        if (AtomicCas(&SlowPoolsMask, 0, slow)) { // reset both pool-is-slow flag and WaitPoolsFlag
+                            return WakeFast;
+                        }
+                    } else { // there are (a) several slow-worker or (b) one slow-worker w/o waiting fast-worker
+                        if (AtomicCas(&SlowPoolsMask, slow & ~(1ull << pool), slow)) { // reset pool-is-slow flag
+                            return BecameIdle;
+                        }
+                    }
+                } else {
+                    // SlowWorkerAction has been called between TryBeginHardPreemption and SetPoolIsSlowFlag
+                    // flag for this pool is not set yet, but we can be sure pool is slow:
+                    //  - because SlowWorkerAction has been called;
+                    //  - this mean lease has expired and hard preemption occured.
+                    // So just wait other worker to call SetPoolIsSlowFlag
+                    LWPROBE(SlowWorkerActionRace, Config.CpuId, pool, slow);
                 }
-                ui64 ts = GetCycleCountFast(); 
-                if (deadlineTs <= ts) { 
-                    if (AtomicCas(&SlowPoolsMask, slow & ~WaitPoolsFlag, slow)) { // try reset wait flag 
-                        return; // wait flag has been successfully reset after timeout 
-                    } 
-                } else { // should wait 
-                    ui64 timeoutNs = Ts2Ns(deadlineTs - ts); 
-#ifdef _linux_ 
-                    timespec timeout; 
-                    timeout.tv_sec = timeoutNs / 1'000'000'000; 
-                    timeout.tv_nsec = timeoutNs % 1'000'000'000; 
-                    SysFutex(FastWorkerFutex(), FUTEX_WAIT_PRIVATE, FastWorkerFutexValue(slow), &timeout, nullptr, 0); 
-#else 
-                    NanoSleep(timeoutNs); // non-linux wake is not supported, cpu will go idle on slow -> fast switch 
-#endif 
+            }
+        }
+
+        void SetPoolIsSlowFlag(TPoolId pool) {
+            while (true) {
+                TPoolsMask slow = AtomicLoad(&SlowPoolsMask);
+                if ((slow & (1ull << pool)) == 0) { // if pool is fast
+                    if (AtomicCas(&SlowPoolsMask, slow | (1ull << pool), slow)) { // set pool-is-slow flag
+                        return;
+                    }
+                } else {
+                    Y_FAIL("two slow-workers executing the same pool on the same core");
+                    return; // pool is already slow
                 }
-            } 
-        }
-
-        void WakeFastWorker() { 
-#ifdef _linux_ 
-            SysFutex(FastWorkerFutex(), FUTEX_WAKE_PRIVATE, 1, nullptr, nullptr, 0); 
-#endif 
-        } 
-
-#ifdef _linux_ 
-        ui32* FastWorkerFutex() { 
-            // Actually we wait on one highest bit, but futex value size is 4 bytes on all platforms 
-            static_assert(sizeof(TPoolsMask) >= 4, "cannot be used as futex value on linux"); 
-            return (ui32*)&SlowPoolsMask + 1; // higher 32 bits (little endian assumed) 
-        } 
- 
-        ui32 FastWorkerFutexValue(TPoolsMask slow) { 
-            return ui32(slow >> 32); // higher 32 bits 
-        } 
-#endif 
- 
-        void SetPriority(TThreadId tid, EPriority priority) { 
-            if (Config.NoRealtime) { 
-                return; 
-            } 
-#ifdef _linux_ 
-            int policy; 
-            struct sched_param param; 
-            switch (priority) { 
-            case IdlePriority: 
-                policy = SCHED_FIFO; 
-                param.sched_priority = Config.IdleWorkerPriority; 
-                break; 
-            case FastPriority: 
-                policy = SCHED_FIFO; 
-                param.sched_priority = Config.FastWorkerPriority; 
-                break; 
-            case SlowPriority: 
-                policy = SCHED_OTHER; 
-                param.sched_priority = 0; 
-                break; 
-            } 
-            int ret = sched_setscheduler(tid, policy, &param); 
-            switch (ret) { 
-                case 0: return; 
-                case EINVAL: 
-                    Y_FAIL("sched_setscheduler(%" PRIu64 ", %d, %d) -> EINVAL", tid, policy, param.sched_priority); 
-                case EPERM: 
-                    // Requirements: 
-                    //  * CAP_SYS_NICE capability to run real-time processes and set cpu affinity. 
-                    //    Either run under root or set application capabilities: 
-                    //       sudo setcap cap_sys_nice=eip BINARY 
-                    //  * Non-zero rt-runtime (in case cgroups are used). 
-                    //    Either (a) disable global limit on RT processes bandwidth: 
-                    //       sudo sysctl -w kernel.sched_rt_runtime_us=-1 
-                    //    Or (b) set non-zero rt-runtime for your cgroup: 
-                    //       echo -1 > /sys/fs/cgroup/cpu/[cgroup]/cpu.rt_runtime_us 
-                    //       (also set the same value for every parent cgroup) 
-                    //    https://www.kernel.org/doc/Documentation/scheduler/sched-rt-group.txt 
-                    Y_FAIL("sched_setscheduler(%" PRIu64 ", %d, %d) -> EPERM", tid, policy, param.sched_priority); 
-                case ESRCH: 
-                    Y_FAIL("sched_setscheduler(%" PRIu64 ", %d, %d) -> ESRCH", tid, policy, param.sched_priority); 
-                default: 
-                    Y_FAIL("sched_setscheduler(%" PRIu64 ", %d, %d) -> %d", tid, policy, param.sched_priority, ret); 
-            } 
-#else 
-            Y_UNUSED(tid); 
-            Y_UNUSED(priority); 
-#endif 
-        } 
- 
-        void ResetPreemption(TWorkerId fastWorkerId, ui64 ts) { 
-            if (Y_UNLIKELY(!PreemptionTimer)) { 
-                return; 
-            } 
-            if (FastWorker == fastWorkerId && HardPreemptionTs > 0) { 
-                PreemptionTimer->Reset(); 
-                LWPROBE(ResetPreemptionTimer, Config.CpuId, FastWorker, PreemptionTimer->Fd, Ts2Ms(ts), Ts2Ms(HardPreemptionTs)); 
-                HardPreemptionTs = 0; 
-            } 
-        } 
- 
-        TLease PostponePreemption(TWorkerId fastWorkerId, ui64 ts) { 
-            // Select new timer after hard preemption 
-            if (FastWorker != fastWorkerId) { 
-                FastWorker = fastWorkerId; 
-                PreemptionTimer = IdleQueue.Dequeue(); 
-                HardPreemptionTs = 0; 
-            } 
- 
-            ui64 hardPreemptionTs = ts + Config.HardLimitTs; 
-            if (hardPreemptionTs > HardPreemptionTs) { 
-                // Reset timer (at most once in TickIntervalTs, sacrifice precision) 
-                HardPreemptionTs = hardPreemptionTs + Config.LimitPrecisionTs; 
-                PreemptionTimer->Set(HardPreemptionTs); 
-                LWPROBE(SetPreemptionTimer, Config.CpuId, FastWorker, PreemptionTimer->Fd, Ts2Ms(ts), Ts2Ms(HardPreemptionTs)); 
-            } 
- 
-            return TLease(fastWorkerId, hardPreemptionTs); 
-        } 
-    }; 
- 
-    // Proxy for start and switching TUnitedExecutorPool-s on single cpu via GetReadyActivation() 
-    // (does not implement any other method in IExecutorPool) 
-    class TCpuExecutorPool: public IExecutorPool { 
-        const TString Name; 
- 
-    public: 
-        explicit TCpuExecutorPool(const TString& name) 
-            : IExecutorPool(MaxPools) 
-            , Name(name) 
-        {} 
- 
-        TString GetName() const override { 
-            return Name; 
-        } 
- 
-        void SetRealTimeMode() const override { 
-            // derived classes controls rt-priority - do nothing 
-        } 
- 
-        // Should never be called 
-        void ReclaimMailbox(TMailboxType::EType, ui32, TWorkerId, ui64) override { Y_FAIL(); } 
-        void Schedule(TInstant, TAutoPtr<IEventHandle>, ISchedulerCookie*, TWorkerId) override { Y_FAIL(); } 
-        void Schedule(TMonotonic, TAutoPtr<IEventHandle>, ISchedulerCookie*, TWorkerId) override { Y_FAIL(); } 
-        void Schedule(TDuration, TAutoPtr<IEventHandle>, ISchedulerCookie*, TWorkerId) override { Y_FAIL(); } 
-        bool Send(TAutoPtr<IEventHandle>&) override { Y_FAIL(); } 
-        void ScheduleActivation(ui32) override { Y_FAIL(); } 
-        void ScheduleActivationEx(ui32, ui64) override { Y_FAIL(); } 
-        TActorId Register(IActor*, TMailboxType::EType, ui64, const TActorId&) override { Y_FAIL(); } 
-        TActorId Register(IActor*, TMailboxHeader*, ui32, const TActorId&) override { Y_FAIL(); } 
-        void Prepare(TActorSystem*, NSchedulerQueue::TReader**, ui32*) override { Y_FAIL(); } 
-        void Start() override { Y_FAIL(); } 
-        void PrepareStop() override { Y_FAIL(); } 
-        void Shutdown() override { Y_FAIL(); } 
-        bool Cleanup() override { Y_FAIL(); } 
-    }; 
- 
-    // Proxy executor pool working with cpu-local scheduler (aka actorsystem 2.0) 
-    class TSharedCpuExecutorPool: public TCpuExecutorPool { 
-        TSharedCpu* Local; 
-        TIntrusivePtr<TAffinity> SingleCpuAffinity; // no migration support yet 
-    public: 
-        explicit TSharedCpuExecutorPool(TSharedCpu* local, const TUnitedWorkersConfig& config) 
-            : TCpuExecutorPool("u-" + ToString(local->Config.CpuId)) 
-            , Local(local) 
-            , SingleCpuAffinity(config.NoAffinity ? nullptr : new TAffinity(TCpuMask(local->Config.CpuId))) 
-        {} 
- 
-        TAffinity* Affinity() const override { 
-            return SingleCpuAffinity.Get(); 
-        } 
- 
-        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) override { 
-            return Local->GetReadyActivation(wctx, revolvingCounter); 
-        } 
-    }; 
- 
-    // Proxy executor pool working with balancer and assigned pools (aka actorsystem 1.5) 
-    class TAssignedCpuExecutorPool: public TCpuExecutorPool { 
-        TAssignedCpu* Local; 
-        TIntrusivePtr<TAffinity> CpuAffinity; 
-    public: 
-        explicit TAssignedCpuExecutorPool(TAssignedCpu* local, const TUnitedWorkersConfig& config) 
-            : TCpuExecutorPool("United") 
-            , Local(local) 
-            , CpuAffinity(config.NoAffinity ? nullptr : new TAffinity(config.Allowed)) 
-        {} 
- 
-        TAffinity* Affinity() const override { 
-            return CpuAffinity.Get(); 
-        } 
- 
-        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) override { 
-            return Local->GetReadyActivation(wctx, revolvingCounter); 
-        } 
-    }; 
- 
-    // Representation of a single cpu and it's state visible to other cpus and pools 
-    struct TUnitedWorkers::TCpu: public TNonCopyable { 
-        struct TScopedWaiters { 
-            TCpu& Cpu; 
-            TPool* AssignedPool; // nullptr if CpuShared 
- 
-            // Subscribe on wakeups from allowed pools 
-            TScopedWaiters(TCpu& cpu, TPool* assignedPool) : Cpu(cpu), AssignedPool(assignedPool) { 
-                if (!AssignedPool) { 
-                    for (TPool* pool : Cpu.AllowedPools) { 
-                        AtomicIncrement(pool->Waiters); 
-                    } 
-                } else { 
-                    AtomicIncrement(AssignedPool->Waiters); 
-                } 
-            } 
- 
-            // Unsubscribe from pools we've subscribed on 
-            ~TScopedWaiters() { 
-                if (!AssignedPool) { 
-                    for (TPool* pool : Cpu.AllowedPools) { 
-                        AtomicDecrement(pool->Waiters); 
-                    } 
-                } else { 
-                    AtomicDecrement(AssignedPool->Waiters); 
-                } 
-            } 
-        }; 
- 
-        // Current cpu state important for other cpus and balancer 
-        TCpuState State; 
- 
-        // Thread-safe per pool stats 
-        // NOTE: It's guaranteed that cpu never executes two instance of the same pool 
-        TVector<TExecutorThreadStats> PoolStats; 
- 
-        // Configuration 
-        TCpuId CpuId; 
-        THolder<TCpuLocalManager> LocalManager; 
-        THolder<TCpuExecutorPool> ExecutorPool; 
- 
-        // Pools allowed to run on this cpu 
-        TStackVec<TPool*, 15> AllowedPools; 
- 
-        void Stop() { 
-            if (LocalManager) { 
-                State.Stop(); 
-                LocalManager->Stop(); 
-            } 
-        } 
- 
-        bool StartSpinning(TUnitedWorkers* united, TPool* assignedPool, TPoolId& result) { 
-            // Mark cpu as idle 
-            if (Y_UNLIKELY(!State.StartSpinning())) { 
-                result = CpuStopped; 
-                return true; 
-            } 
- 
-            // Avoid using multiple atomic seq_cst loads in cycle, use barrier once and relaxed ops 
-            AtomicBarrier(); 
- 
-            // Check there is no pending tokens (can be released before Waiters increment) 
-            if (!assignedPool) { 
-                for (TPool* pool : AllowedPools) { 
-                    if (pool->TryAcquireTokenRelaxed()) { 
-                        result = WakeWithTokenAcquired(united, pool->PoolId); 
-                        return true; // token acquired or stop 
+            }
+        }
+
+        bool TryBeginHardPreemption(TLease lease) {
+            return AtomicCas(&CurrentLease, HardPreemptionLease, lease);
+        }
+
+        void EndHardPreemption(TWorkerId to) {
+            ATOMIC_COMPILER_BARRIER();
+            if (!AtomicCas(&CurrentLease, TLease(to, NeverExpire), HardPreemptionLease)) {
+                Y_FAIL("hard preemption failed");
+            }
+        }
+
+        bool DisablePreemptionAndTryExtend(TLease lease) {
+            return AtomicCas(&CurrentLease, lease.NeverExpire(), lease);
+        }
+
+        void EnablePreemptionAndGrant(TLease lease) {
+            ATOMIC_COMPILER_BARRIER();
+            if (!AtomicCas(&CurrentLease, lease, lease.NeverExpire())) {
+                Y_FAIL("lease grant failed");
+            }
+        }
+
+        void FastWorkerSleep(ui64 deadlineTs) {
+            while (true) {
+                TPoolsMask slow = AtomicLoad(&SlowPoolsMask);
+                if ((slow & WaitPoolsFlag) == 0) {
+                    return; // woken by WakeFast action
+                }
+                ui64 ts = GetCycleCountFast();
+                if (deadlineTs <= ts) {
+                    if (AtomicCas(&SlowPoolsMask, slow & ~WaitPoolsFlag, slow)) { // try reset wait flag
+                        return; // wait flag has been successfully reset after timeout
                     }
-                } 
-            } else { 
-                if (assignedPool->TryAcquireTokenRelaxed()) { 
-                    result = WakeWithTokenAcquired(united, assignedPool->PoolId); 
-                    return true; // token acquired or stop 
-                } 
-            } 
- 
-            // At this point we can be sure wakeup won't be lost 
-            // So we can actively spin or block w/o checking for pending tokens 
-            return false; 
-        } 
- 
-        bool ActiveWait(ui64 spinThresholdTs, TPoolId& result) { 
-            ui64 deadline = GetCycleCountFast() + spinThresholdTs; 
-            while (GetCycleCountFast() < deadline) { 
-                for (ui32 i = 0; i < 12; ++i) { 
-                    TPoolId current = State.CurrentPool(); 
-                    if (current == CpuSpinning) { 
-                        SpinLockPause(); 
-                    } else { 
-                        result = current; 
-                        return true; // wakeup 
+                } else { // should wait
+                    ui64 timeoutNs = Ts2Ns(deadlineTs - ts);
+#ifdef _linux_
+                    timespec timeout;
+                    timeout.tv_sec = timeoutNs / 1'000'000'000;
+                    timeout.tv_nsec = timeoutNs % 1'000'000'000;
+                    SysFutex(FastWorkerFutex(), FUTEX_WAIT_PRIVATE, FastWorkerFutexValue(slow), &timeout, nullptr, 0);
+#else
+                    NanoSleep(timeoutNs); // non-linux wake is not supported, cpu will go idle on slow -> fast switch
+#endif
+                }
+            }
+        }
+
+        void WakeFastWorker() {
+#ifdef _linux_
+            SysFutex(FastWorkerFutex(), FUTEX_WAKE_PRIVATE, 1, nullptr, nullptr, 0);
+#endif
+        }
+
+#ifdef _linux_
+        ui32* FastWorkerFutex() {
+            // Actually we wait on one highest bit, but futex value size is 4 bytes on all platforms
+            static_assert(sizeof(TPoolsMask) >= 4, "cannot be used as futex value on linux");
+            return (ui32*)&SlowPoolsMask + 1; // higher 32 bits (little endian assumed)
+        }
+
+        ui32 FastWorkerFutexValue(TPoolsMask slow) {
+            return ui32(slow >> 32); // higher 32 bits
+        }
+#endif
+
+        void SetPriority(TThreadId tid, EPriority priority) {
+            if (Config.NoRealtime) {
+                return;
+            }
+#ifdef _linux_
+            int policy;
+            struct sched_param param;
+            switch (priority) {
+            case IdlePriority:
+                policy = SCHED_FIFO;
+                param.sched_priority = Config.IdleWorkerPriority;
+                break;
+            case FastPriority:
+                policy = SCHED_FIFO;
+                param.sched_priority = Config.FastWorkerPriority;
+                break;
+            case SlowPriority:
+                policy = SCHED_OTHER;
+                param.sched_priority = 0;
+                break;
+            }
+            int ret = sched_setscheduler(tid, policy, &param);
+            switch (ret) {
+                case 0: return;
+                case EINVAL:
+                    Y_FAIL("sched_setscheduler(%" PRIu64 ", %d, %d) -> EINVAL", tid, policy, param.sched_priority);
+                case EPERM:
+                    // Requirements:
+                    //  * CAP_SYS_NICE capability to run real-time processes and set cpu affinity.
+                    //    Either run under root or set application capabilities:
+                    //       sudo setcap cap_sys_nice=eip BINARY
+                    //  * Non-zero rt-runtime (in case cgroups are used).
+                    //    Either (a) disable global limit on RT processes bandwidth:
+                    //       sudo sysctl -w kernel.sched_rt_runtime_us=-1
+                    //    Or (b) set non-zero rt-runtime for your cgroup:
+                    //       echo -1 > /sys/fs/cgroup/cpu/[cgroup]/cpu.rt_runtime_us
+                    //       (also set the same value for every parent cgroup)
+                    //    https://www.kernel.org/doc/Documentation/scheduler/sched-rt-group.txt
+                    Y_FAIL("sched_setscheduler(%" PRIu64 ", %d, %d) -> EPERM", tid, policy, param.sched_priority);
+                case ESRCH:
+                    Y_FAIL("sched_setscheduler(%" PRIu64 ", %d, %d) -> ESRCH", tid, policy, param.sched_priority);
+                default:
+                    Y_FAIL("sched_setscheduler(%" PRIu64 ", %d, %d) -> %d", tid, policy, param.sched_priority, ret);
+            }
+#else
+            Y_UNUSED(tid);
+            Y_UNUSED(priority);
+#endif
+        }
+
+        void ResetPreemption(TWorkerId fastWorkerId, ui64 ts) {
+            if (Y_UNLIKELY(!PreemptionTimer)) {
+                return;
+            }
+            if (FastWorker == fastWorkerId && HardPreemptionTs > 0) {
+                PreemptionTimer->Reset();
+                LWPROBE(ResetPreemptionTimer, Config.CpuId, FastWorker, PreemptionTimer->Fd, Ts2Ms(ts), Ts2Ms(HardPreemptionTs));
+                HardPreemptionTs = 0;
+            }
+        }
+
+        TLease PostponePreemption(TWorkerId fastWorkerId, ui64 ts) {
+            // Select new timer after hard preemption
+            if (FastWorker != fastWorkerId) {
+                FastWorker = fastWorkerId;
+                PreemptionTimer = IdleQueue.Dequeue();
+                HardPreemptionTs = 0;
+            }
+
+            ui64 hardPreemptionTs = ts + Config.HardLimitTs;
+            if (hardPreemptionTs > HardPreemptionTs) {
+                // Reset timer (at most once in TickIntervalTs, sacrifice precision)
+                HardPreemptionTs = hardPreemptionTs + Config.LimitPrecisionTs;
+                PreemptionTimer->Set(HardPreemptionTs);
+                LWPROBE(SetPreemptionTimer, Config.CpuId, FastWorker, PreemptionTimer->Fd, Ts2Ms(ts), Ts2Ms(HardPreemptionTs));
+            }
+
+            return TLease(fastWorkerId, hardPreemptionTs);
+        }
+    };
+
+    // Proxy for start and switching TUnitedExecutorPool-s on single cpu via GetReadyActivation()
+    // (does not implement any other method in IExecutorPool)
+    class TCpuExecutorPool: public IExecutorPool {
+        const TString Name;
+
+    public:
+        explicit TCpuExecutorPool(const TString& name)
+            : IExecutorPool(MaxPools)
+            , Name(name)
+        {}
+
+        TString GetName() const override {
+            return Name;
+        }
+
+        void SetRealTimeMode() const override {
+            // derived classes controls rt-priority - do nothing
+        }
+
+        // Should never be called
+        void ReclaimMailbox(TMailboxType::EType, ui32, TWorkerId, ui64) override { Y_FAIL(); }
+        void Schedule(TInstant, TAutoPtr<IEventHandle>, ISchedulerCookie*, TWorkerId) override { Y_FAIL(); }
+        void Schedule(TMonotonic, TAutoPtr<IEventHandle>, ISchedulerCookie*, TWorkerId) override { Y_FAIL(); }
+        void Schedule(TDuration, TAutoPtr<IEventHandle>, ISchedulerCookie*, TWorkerId) override { Y_FAIL(); }
+        bool Send(TAutoPtr<IEventHandle>&) override { Y_FAIL(); }
+        void ScheduleActivation(ui32) override { Y_FAIL(); }
+        void ScheduleActivationEx(ui32, ui64) override { Y_FAIL(); }
+        TActorId Register(IActor*, TMailboxType::EType, ui64, const TActorId&) override { Y_FAIL(); }
+        TActorId Register(IActor*, TMailboxHeader*, ui32, const TActorId&) override { Y_FAIL(); }
+        void Prepare(TActorSystem*, NSchedulerQueue::TReader**, ui32*) override { Y_FAIL(); }
+        void Start() override { Y_FAIL(); }
+        void PrepareStop() override { Y_FAIL(); }
+        void Shutdown() override { Y_FAIL(); }
+        bool Cleanup() override { Y_FAIL(); }
+    };
+
+    // Proxy executor pool working with cpu-local scheduler (aka actorsystem 2.0)
+    class TSharedCpuExecutorPool: public TCpuExecutorPool {
+        TSharedCpu* Local;
+        TIntrusivePtr<TAffinity> SingleCpuAffinity; // no migration support yet
+    public:
+        explicit TSharedCpuExecutorPool(TSharedCpu* local, const TUnitedWorkersConfig& config)
+            : TCpuExecutorPool("u-" + ToString(local->Config.CpuId))
+            , Local(local)
+            , SingleCpuAffinity(config.NoAffinity ? nullptr : new TAffinity(TCpuMask(local->Config.CpuId)))
+        {}
+
+        TAffinity* Affinity() const override {
+            return SingleCpuAffinity.Get();
+        }
+
+        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) override {
+            return Local->GetReadyActivation(wctx, revolvingCounter);
+        }
+    };
+
+    // Proxy executor pool working with balancer and assigned pools (aka actorsystem 1.5)
+    class TAssignedCpuExecutorPool: public TCpuExecutorPool {
+        TAssignedCpu* Local;
+        TIntrusivePtr<TAffinity> CpuAffinity;
+    public:
+        explicit TAssignedCpuExecutorPool(TAssignedCpu* local, const TUnitedWorkersConfig& config)
+            : TCpuExecutorPool("United")
+            , Local(local)
+            , CpuAffinity(config.NoAffinity ? nullptr : new TAffinity(config.Allowed))
+        {}
+
+        TAffinity* Affinity() const override {
+            return CpuAffinity.Get();
+        }
+
+        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) override {
+            return Local->GetReadyActivation(wctx, revolvingCounter);
+        }
+    };
+
+    // Representation of a single cpu and it's state visible to other cpus and pools
+    struct TUnitedWorkers::TCpu: public TNonCopyable {
+        struct TScopedWaiters {
+            TCpu& Cpu;
+            TPool* AssignedPool; // nullptr if CpuShared
+
+            // Subscribe on wakeups from allowed pools
+            TScopedWaiters(TCpu& cpu, TPool* assignedPool) : Cpu(cpu), AssignedPool(assignedPool) {
+                if (!AssignedPool) {
+                    for (TPool* pool : Cpu.AllowedPools) {
+                        AtomicIncrement(pool->Waiters);
                     }
-                } 
-            }
-            return false; // spin threshold exceeded, no wakeups 
-        }
-
-        bool StartBlocking(TPoolId& result) { 
-            // Switch into blocked state 
-            if (State.StartBlocking()) { 
-                result = State.CurrentPool(); 
-                return true; 
-            } else { 
-                return false; 
-            } 
-        }
-
-        bool BlockedWait(TPoolId& result, ui64 timeoutNs) { 
-            return State.Block(timeoutNs, result); 
-        } 
-
-        void SwitchPool(TPoolId pool) { 
-            return State.SwitchPool(pool); 
-        } 
- 
-    private: 
-        TPoolId WakeWithTokenAcquired(TUnitedWorkers* united, TPoolId token) { 
-            switch (State.WakeWithTokenAcquired(token)) { 
-            case TCpuState::Woken: // we've got token and successfully woken up this cpu 
-                // NOTE: sending thread may also wakeup another worker, which wont be able to acquire token and will go idle (it's ok) 
-                return token; 
-            case TCpuState::NotIdle: { // wakeup event has also occured 
-                TPoolId wakeup = State.CurrentPool(); 
-                if (wakeup != token) { // token and wakeup for different pools 
-                    united->TryWake(wakeup); // rewake another cpu to avoid losing wakeup 
-                } 
-                return token; 
-            } 
-            case TCpuState::Forbidden: 
-                Y_FAIL(); 
-            case TCpuState::Stopped: 
-                return CpuStopped; 
-            } 
-        }
-    }; 
-
-    TUnitedWorkers::TUnitedWorkers( 
-            const TUnitedWorkersConfig& config, 
-            const TVector<TUnitedExecutorPoolConfig>& unitedPools, 
-            const TCpuAllocationConfig& allocation, 
-            IBalancer* balancer) 
-        : Balancer(balancer) 
-        , Config(config) 
-        , Allocation(allocation) 
-    { 
-        // Find max pool id and initialize pools 
-        PoolCount = 0; 
-        for (const TCpuAllocation& cpuAlloc : allocation.Items) { 
-            for (const auto& pa : cpuAlloc.AllowedPools) { 
-                PoolCount = Max<size_t>(PoolCount, pa.PoolId + 1); 
-            } 
-        } 
-        Pools.Reset(new TPool[PoolCount]); 
-
-        // Find max cpu id and initialize cpus 
-        CpuCount = 0; 
-        for (const TCpuAllocation& cpuAlloc : allocation.Items) { 
-            CpuCount = Max<size_t>(CpuCount, cpuAlloc.CpuId + 1); 
-        } 
-        Cpus.Reset(new TCpu[CpuCount]); 
-
-        // Setup allocated cpus 
-        // NOTE: leave gaps for not allocated cpus (default-initialized) 
-        WorkerCount = 0; 
-        for (const TCpuAllocation& cpuAlloc : allocation.Items) { 
-            TCpu& cpu = Cpus[cpuAlloc.CpuId]; 
-            cpu.CpuId = cpuAlloc.CpuId; 
-            cpu.PoolStats.resize(PoolCount); // NOTE: also may have gaps 
-            for (const auto& pa : cpuAlloc.AllowedPools) { 
-                cpu.AllowedPools.emplace_back(&Pools[pa.PoolId]); 
-            } 
- 
-            // Setup balancing and cpu-local manager 
-            if (!Balancer->AddCpu(cpuAlloc, &cpu.State)) { 
-                cpu.State.SwitchPool(0); // set initial state to non-idle to avoid losing wakeups on start 
-                cpu.State.AssignPool(CpuShared); 
-                TSharedCpu* local = new TSharedCpu(TSharedCpu::TConfig(cpuAlloc, Config), this); 
-                cpu.LocalManager.Reset(local); 
-                cpu.ExecutorPool.Reset(new TSharedCpuExecutorPool(local, Config)); 
-            } else { 
-                TAssignedCpu* local = new TAssignedCpu(this); 
-                cpu.LocalManager.Reset(local); 
-                cpu.ExecutorPool.Reset(new TAssignedCpuExecutorPool(local, Config)); 
-            } 
-            WorkerCount += cpu.LocalManager->WorkerCount(); 
-        } 
- 
-        // Initialize workers 
-        Workers.Reset(new TWorker[WorkerCount]); 
- 
-        // Setup pools 
-        // NOTE: leave gaps for not united pools (default-initialized) 
-        for (const TUnitedExecutorPoolConfig& cfg : unitedPools) { 
-            TPool& pool = Pools[cfg.PoolId]; 
-            Y_VERIFY(cfg.PoolId < MaxPools); 
-            pool.PoolId = cfg.PoolId; 
-            pool.Concurrency = cfg.Concurrency ? cfg.Concurrency : Config.CpuCount; 
-            pool.ExecutorPool = nullptr; // should be set later using SetupPool() 
-            pool.MailboxTable = nullptr; // should be set later using SetupPool() 
-            pool.TimePerMailboxTs = DurationToCycles(cfg.TimePerMailbox); 
-            pool.EventsPerMailbox = cfg.EventsPerMailbox; 
- 
-            // Reinitialize per cpu pool stats with right MaxActivityType 
-            for (const TCpuAllocation& cpuAlloc : allocation.Items) { 
-                TCpu& cpu = Cpus[cpuAlloc.CpuId]; 
-                cpu.PoolStats[cfg.PoolId] = TExecutorThreadStats(cfg.MaxActivityType); 
-            } 
- 
-            // Setup WakeOrderCpus: left to right exclusive cpus, then left to right shared cpus. 
-            // Waking exclusive cpus first reduce load on shared cpu and improve latency isolation, which is 
-            // the point of using exclusive cpu. But note that number of actively spinning idle cpus may increase, 
-            // so cpu consumption on light load is higher. 
-            for (const TCpuAllocation& cpuAlloc : allocation.Items) { 
-                TCpu& cpu = Cpus[cpuAlloc.CpuId]; 
-                if (cpu.AllowedPools.size() == 1 && cpu.AllowedPools[0] == &pool) { 
-                    pool.WakeOrderCpus.emplace_back(&cpu); 
-                } 
-            } 
-            for (const TCpuAllocation& cpuAlloc : allocation.Items) { 
-                TCpu& cpu = Cpus[cpuAlloc.CpuId]; 
-                if (cpu.AllowedPools.size() > 1 && cpuAlloc.HasPool(pool.PoolId)) { 
-                    pool.WakeOrderCpus.emplace_back(&cpu); 
-                } 
-            } 
-        } 
+                } else {
+                    AtomicIncrement(AssignedPool->Waiters);
+                }
+            }
+
+            // Unsubscribe from pools we've subscribed on
+            ~TScopedWaiters() {
+                if (!AssignedPool) {
+                    for (TPool* pool : Cpu.AllowedPools) {
+                        AtomicDecrement(pool->Waiters);
+                    }
+                } else {
+                    AtomicDecrement(AssignedPool->Waiters);
+                }
+            }
+        };
+
+        // Current cpu state important for other cpus and balancer
+        TCpuState State;
+
+        // Thread-safe per pool stats
+        // NOTE: It's guaranteed that cpu never executes two instance of the same pool
+        TVector<TExecutorThreadStats> PoolStats;
+
+        // Configuration
+        TCpuId CpuId;
+        THolder<TCpuLocalManager> LocalManager;
+        THolder<TCpuExecutorPool> ExecutorPool;
+
+        // Pools allowed to run on this cpu
+        TStackVec<TPool*, 15> AllowedPools;
+
+        void Stop() {
+            if (LocalManager) {
+                State.Stop();
+                LocalManager->Stop();
+            }
+        }
+
+        bool StartSpinning(TUnitedWorkers* united, TPool* assignedPool, TPoolId& result) {
+            // Mark cpu as idle
+            if (Y_UNLIKELY(!State.StartSpinning())) {
+                result = CpuStopped;
+                return true;
+            }
+
+            // Avoid using multiple atomic seq_cst loads in cycle, use barrier once and relaxed ops
+            AtomicBarrier();
+
+            // Check there is no pending tokens (can be released before Waiters increment)
+            if (!assignedPool) {
+                for (TPool* pool : AllowedPools) {
+                    if (pool->TryAcquireTokenRelaxed()) {
+                        result = WakeWithTokenAcquired(united, pool->PoolId);
+                        return true; // token acquired or stop
+                    }
+                }
+            } else {
+                if (assignedPool->TryAcquireTokenRelaxed()) {
+                    result = WakeWithTokenAcquired(united, assignedPool->PoolId);
+                    return true; // token acquired or stop
+                }
+            }
+
+            // At this point we can be sure wakeup won't be lost
+            // So we can actively spin or block w/o checking for pending tokens
+            return false;
+        }
+
+        bool ActiveWait(ui64 spinThresholdTs, TPoolId& result) {
+            ui64 deadline = GetCycleCountFast() + spinThresholdTs;
+            while (GetCycleCountFast() < deadline) {
+                for (ui32 i = 0; i < 12; ++i) {
+                    TPoolId current = State.CurrentPool();
+                    if (current == CpuSpinning) {
+                        SpinLockPause();
+                    } else {
+                        result = current;
+                        return true; // wakeup
+                    }
+                }
+            }
+            return false; // spin threshold exceeded, no wakeups
+        }
+
+        bool StartBlocking(TPoolId& result) {
+            // Switch into blocked state
+            if (State.StartBlocking()) {
+                result = State.CurrentPool();
+                return true;
+            } else {
+                return false;
+            }
+        }
+
+        bool BlockedWait(TPoolId& result, ui64 timeoutNs) {
+            return State.Block(timeoutNs, result);
+        }
+
+        void SwitchPool(TPoolId pool) {
+            return State.SwitchPool(pool);
+        }
+
+    private:
+        TPoolId WakeWithTokenAcquired(TUnitedWorkers* united, TPoolId token) {
+            switch (State.WakeWithTokenAcquired(token)) {
+            case TCpuState::Woken: // we've got token and successfully woken up this cpu
+                // NOTE: sending thread may also wakeup another worker, which wont be able to acquire token and will go idle (it's ok)
+                return token;
+            case TCpuState::NotIdle: { // wakeup event has also occured
+                TPoolId wakeup = State.CurrentPool();
+                if (wakeup != token) { // token and wakeup for different pools
+                    united->TryWake(wakeup); // rewake another cpu to avoid losing wakeup
+                }
+                return token;
+            }
+            case TCpuState::Forbidden:
+                Y_FAIL();
+            case TCpuState::Stopped:
+                return CpuStopped;
+            }
+        }
+    };
+
+    TUnitedWorkers::TUnitedWorkers(
+            const TUnitedWorkersConfig& config,
+            const TVector<TUnitedExecutorPoolConfig>& unitedPools,
+            const TCpuAllocationConfig& allocation,
+            IBalancer* balancer)
+        : Balancer(balancer)
+        , Config(config)
+        , Allocation(allocation)
+    {
+        // Find max pool id and initialize pools
+        PoolCount = 0;
+        for (const TCpuAllocation& cpuAlloc : allocation.Items) {
+            for (const auto& pa : cpuAlloc.AllowedPools) {
+                PoolCount = Max<size_t>(PoolCount, pa.PoolId + 1);
+            }
+        }
+        Pools.Reset(new TPool[PoolCount]);
+
+        // Find max cpu id and initialize cpus
+        CpuCount = 0;
+        for (const TCpuAllocation& cpuAlloc : allocation.Items) {
+            CpuCount = Max<size_t>(CpuCount, cpuAlloc.CpuId + 1);
+        }
+        Cpus.Reset(new TCpu[CpuCount]);
+
+        // Setup allocated cpus
+        // NOTE: leave gaps for not allocated cpus (default-initialized)
+        WorkerCount = 0;
+        for (const TCpuAllocation& cpuAlloc : allocation.Items) {
+            TCpu& cpu = Cpus[cpuAlloc.CpuId];
+            cpu.CpuId = cpuAlloc.CpuId;
+            cpu.PoolStats.resize(PoolCount); // NOTE: also may have gaps
+            for (const auto& pa : cpuAlloc.AllowedPools) {
+                cpu.AllowedPools.emplace_back(&Pools[pa.PoolId]);
+            }
+
+            // Setup balancing and cpu-local manager
+            if (!Balancer->AddCpu(cpuAlloc, &cpu.State)) {
+                cpu.State.SwitchPool(0); // set initial state to non-idle to avoid losing wakeups on start
+                cpu.State.AssignPool(CpuShared);
+                TSharedCpu* local = new TSharedCpu(TSharedCpu::TConfig(cpuAlloc, Config), this);
+                cpu.LocalManager.Reset(local);
+                cpu.ExecutorPool.Reset(new TSharedCpuExecutorPool(local, Config));
+            } else {
+                TAssignedCpu* local = new TAssignedCpu(this);
+                cpu.LocalManager.Reset(local);
+                cpu.ExecutorPool.Reset(new TAssignedCpuExecutorPool(local, Config));
+            }
+            WorkerCount += cpu.LocalManager->WorkerCount();
+        }
+
+        // Initialize workers
+        Workers.Reset(new TWorker[WorkerCount]);
+
+        // Setup pools
+        // NOTE: leave gaps for not united pools (default-initialized)
+        for (const TUnitedExecutorPoolConfig& cfg : unitedPools) {
+            TPool& pool = Pools[cfg.PoolId];
+            Y_VERIFY(cfg.PoolId < MaxPools);
+            pool.PoolId = cfg.PoolId;
+            pool.Concurrency = cfg.Concurrency ? cfg.Concurrency : Config.CpuCount;
+            pool.ExecutorPool = nullptr; // should be set later using SetupPool()
+            pool.MailboxTable = nullptr; // should be set later using SetupPool()
+            pool.TimePerMailboxTs = DurationToCycles(cfg.TimePerMailbox);
+            pool.EventsPerMailbox = cfg.EventsPerMailbox;
+
+            // Reinitialize per cpu pool stats with right MaxActivityType
+            for (const TCpuAllocation& cpuAlloc : allocation.Items) {
+                TCpu& cpu = Cpus[cpuAlloc.CpuId];
+                cpu.PoolStats[cfg.PoolId] = TExecutorThreadStats(cfg.MaxActivityType);
+            }
+
+            // Setup WakeOrderCpus: left to right exclusive cpus, then left to right shared cpus.
+            // Waking exclusive cpus first reduce load on shared cpu and improve latency isolation, which is
+            // the point of using exclusive cpu. But note that number of actively spinning idle cpus may increase,
+            // so cpu consumption on light load is higher.
+            for (const TCpuAllocation& cpuAlloc : allocation.Items) {
+                TCpu& cpu = Cpus[cpuAlloc.CpuId];
+                if (cpu.AllowedPools.size() == 1 && cpu.AllowedPools[0] == &pool) {
+                    pool.WakeOrderCpus.emplace_back(&cpu);
+                }
+            }
+            for (const TCpuAllocation& cpuAlloc : allocation.Items) {
+                TCpu& cpu = Cpus[cpuAlloc.CpuId];
+                if (cpu.AllowedPools.size() > 1 && cpuAlloc.HasPool(pool.PoolId)) {
+                    pool.WakeOrderCpus.emplace_back(&cpu);
+                }
+            }
+        }
+    }
+
+    TUnitedWorkers::~TUnitedWorkers() {
+    }
+
+    void TUnitedWorkers::Prepare(TActorSystem* actorSystem, TVector<NSchedulerQueue::TReader*>& scheduleReaders) {
+        // Setup allocated cpus
+        // NOTE: leave gaps for not allocated cpus (default-initialized)
+        TWorkerId workers = 0;
+        for (TCpuId cpuId = 0; cpuId < CpuCount; cpuId++) {
+            TCpu& cpu = Cpus[cpuId];
+
+            // Setup cpu-local workers
+            if (cpu.LocalManager) {
+                for (size_t i = 0; i < cpu.LocalManager->WorkerCount(); i++) {
+                    TWorkerId workerId = workers++;
+                    cpu.LocalManager->AddWorker(workerId);
+
+                    // Setup worker
+                    Y_VERIFY(workerId < WorkerCount);
+                    Workers[workerId].Thread.Reset(new TExecutorThread(
+                        workerId,
+                        cpu.CpuId,
+                        actorSystem,
+                        cpu.ExecutorPool.Get(), // use cpu-local manager as proxy executor for all workers on cpu
+                        nullptr, // MailboxTable is pool-specific, will be set on pool switch
+                        cpu.ExecutorPool->GetName()));
+                    // NOTE: TWorker::ThreadId will be initialized after in Start()
+
+                    scheduleReaders.push_back(&Workers[workerId].SchedulerQueue.Reader);
+                }
+            }
+        }
+    }
+
+    void TUnitedWorkers::Start() {
+        for (TWorkerId workerId = 0; workerId < WorkerCount; workerId++) {
+            Workers[workerId].Thread->Start();
+        }
+        for (TWorkerId workerId = 0; workerId < WorkerCount; workerId++) {
+            AtomicStore(&Workers[workerId].ThreadId, Workers[workerId].Thread->GetThreadId());
+        }
     }
 
-    TUnitedWorkers::~TUnitedWorkers() { 
-    } 
-
-    void TUnitedWorkers::Prepare(TActorSystem* actorSystem, TVector<NSchedulerQueue::TReader*>& scheduleReaders) { 
-        // Setup allocated cpus 
-        // NOTE: leave gaps for not allocated cpus (default-initialized) 
-        TWorkerId workers = 0; 
-        for (TCpuId cpuId = 0; cpuId < CpuCount; cpuId++) { 
-            TCpu& cpu = Cpus[cpuId]; 
-
-            // Setup cpu-local workers 
-            if (cpu.LocalManager) { 
-                for (size_t i = 0; i < cpu.LocalManager->WorkerCount(); i++) { 
-                    TWorkerId workerId = workers++; 
-                    cpu.LocalManager->AddWorker(workerId); 
- 
-                    // Setup worker 
-                    Y_VERIFY(workerId < WorkerCount); 
-                    Workers[workerId].Thread.Reset(new TExecutorThread( 
-                        workerId, 
-                        cpu.CpuId, 
-                        actorSystem, 
-                        cpu.ExecutorPool.Get(), // use cpu-local manager as proxy executor for all workers on cpu 
-                        nullptr, // MailboxTable is pool-specific, will be set on pool switch 
-                        cpu.ExecutorPool->GetName())); 
-                    // NOTE: TWorker::ThreadId will be initialized after in Start() 
- 
-                    scheduleReaders.push_back(&Workers[workerId].SchedulerQueue.Reader); 
-                } 
-            } 
+    inline TThreadId TUnitedWorkers::GetWorkerThreadId(TWorkerId workerId) const {
+        volatile TThreadId* threadId = &Workers[workerId].ThreadId;
+#ifdef _linux_
+        while (AtomicLoad(threadId) == UnknownThreadId) {
+            NanoSleep(1000);
         }
+#endif
+        return AtomicLoad(threadId);
+    }
+
+    inline NSchedulerQueue::TWriter* TUnitedWorkers::GetScheduleWriter(TWorkerId workerId) const {
+        return &Workers[workerId].SchedulerQueue.Writer;
+    }
+
+    void TUnitedWorkers::SetupPool(TPoolId pool, IExecutorPool* executorPool, TMailboxTable* mailboxTable) {
+        Pools[pool].ExecutorPool = executorPool;
+        Pools[pool].MailboxTable = mailboxTable;
     }
 
-    void TUnitedWorkers::Start() { 
-        for (TWorkerId workerId = 0; workerId < WorkerCount; workerId++) { 
-            Workers[workerId].Thread->Start(); 
-        } 
-        for (TWorkerId workerId = 0; workerId < WorkerCount; workerId++) { 
-            AtomicStore(&Workers[workerId].ThreadId, Workers[workerId].Thread->GetThreadId()); 
-        } 
-    } 
- 
-    inline TThreadId TUnitedWorkers::GetWorkerThreadId(TWorkerId workerId) const { 
-        volatile TThreadId* threadId = &Workers[workerId].ThreadId; 
-#ifdef _linux_ 
-        while (AtomicLoad(threadId) == UnknownThreadId) { 
-            NanoSleep(1000); 
-        } 
-#endif 
-        return AtomicLoad(threadId); 
-    } 
- 
-    inline NSchedulerQueue::TWriter* TUnitedWorkers::GetScheduleWriter(TWorkerId workerId) const { 
-        return &Workers[workerId].SchedulerQueue.Writer; 
-    } 
- 
-    void TUnitedWorkers::SetupPool(TPoolId pool, IExecutorPool* executorPool, TMailboxTable* mailboxTable) { 
-        Pools[pool].ExecutorPool = executorPool; 
-        Pools[pool].MailboxTable = mailboxTable; 
-    } 
- 
-    void TUnitedWorkers::PrepareStop() { 
+    void TUnitedWorkers::PrepareStop() {
         AtomicStore(&StopFlag, true);
-        for (TPoolId pool = 0; pool < PoolCount; pool++) { 
-            Pools[pool].Stop(); 
+        for (TPoolId pool = 0; pool < PoolCount; pool++) {
+            Pools[pool].Stop();
+        }
+        for (TCpuId cpuId = 0; cpuId < CpuCount; cpuId++) {
+            Cpus[cpuId].Stop();
+        }
+    }
+
+    void TUnitedWorkers::Shutdown() {
+        for (TWorkerId workerId = 0; workerId < WorkerCount; workerId++) {
+            Workers[workerId].Thread->Join();
+        }
+    }
+
+    inline void TUnitedWorkers::PushActivation(TPoolId pool, ui32 activation, ui64 revolvingCounter) {
+        if (Pools[pool].PushActivation(activation, revolvingCounter)) { // token generated
+            TryWake(pool);
         }
-        for (TCpuId cpuId = 0; cpuId < CpuCount; cpuId++) { 
-            Cpus[cpuId].Stop(); 
-        } 
     }
 
-    void TUnitedWorkers::Shutdown() { 
-        for (TWorkerId workerId = 0; workerId < WorkerCount; workerId++) { 
-            Workers[workerId].Thread->Join(); 
-        } 
+    inline bool TUnitedWorkers::TryAcquireToken(TPoolId pool) {
+        return Pools[pool].TryAcquireToken();
     }
 
-    inline void TUnitedWorkers::PushActivation(TPoolId pool, ui32 activation, ui64 revolvingCounter) { 
-        if (Pools[pool].PushActivation(activation, revolvingCounter)) { // token generated 
-            TryWake(pool); 
-        } 
-    } 
+    inline void TUnitedWorkers::TryWake(TPoolId pool) {
+        // Avoid using multiple atomic seq_cst loads in cycle, use barrier once
+        AtomicBarrier();
+
+        // Scan every allowed cpu in pool's wakeup order and try to wake the first idle cpu
+        if (RelaxedLoad(&Pools[pool].Waiters) > 0) {
+            for (TCpu* cpu : Pools[pool].WakeOrderCpus) {
+                if (cpu->State.WakeWithoutToken(pool) == TCpuState::Woken) {
+                    return; // successful wake up
+                }
+            }
+        }
 
-    inline bool TUnitedWorkers::TryAcquireToken(TPoolId pool) { 
-        return Pools[pool].TryAcquireToken(); 
+        // Cpu has not been woken up
     }
 
-    inline void TUnitedWorkers::TryWake(TPoolId pool) { 
-        // Avoid using multiple atomic seq_cst loads in cycle, use barrier once 
-        AtomicBarrier(); 
-
-        // Scan every allowed cpu in pool's wakeup order and try to wake the first idle cpu 
-        if (RelaxedLoad(&Pools[pool].Waiters) > 0) { 
-            for (TCpu* cpu : Pools[pool].WakeOrderCpus) { 
-                if (cpu->State.WakeWithoutToken(pool) == TCpuState::Woken) { 
-                    return; // successful wake up 
-                } 
-            } 
-        } 
- 
-        // Cpu has not been woken up 
-    } 
-
-    inline void TUnitedWorkers::BeginExecution(TPoolId pool, ui32& activation, ui64 revolvingCounter) { 
-        Pools[pool].BeginExecution(activation, revolvingCounter); 
+    inline void TUnitedWorkers::BeginExecution(TPoolId pool, ui32& activation, ui64 revolvingCounter) {
+        Pools[pool].BeginExecution(activation, revolvingCounter);
     }
 
-    inline bool TUnitedWorkers::NextExecution(TPoolId pool, ui32& activation, ui64 revolvingCounter) { 
-        return Pools[pool].NextExecution(activation, revolvingCounter); 
-    } 
+    inline bool TUnitedWorkers::NextExecution(TPoolId pool, ui32& activation, ui64 revolvingCounter) {
+        return Pools[pool].NextExecution(activation, revolvingCounter);
+    }
 
-    inline void TUnitedWorkers::StopExecution(TPoolId pool) { 
-        if (Pools[pool].StopExecution()) { // pending token 
-            TryWake(pool); 
-        } 
+    inline void TUnitedWorkers::StopExecution(TPoolId pool) {
+        if (Pools[pool].StopExecution()) { // pending token
+            TryWake(pool);
+        }
     }
 
-    inline void TUnitedWorkers::Balance() { 
-        ui64 ts = GetCycleCountFast(); 
-        if (Balancer->TryLock(ts)) { 
-            for (TPoolId pool = 0; pool < PoolCount; pool++) { 
-                if (Pools[pool].IsUnited()) { 
-                    ui64 ElapsedTs = 0; 
-                    ui64 ParkedTs = 0; 
-                    for (TCpu* cpu : Pools[pool].WakeOrderCpus) { 
-                        const TExecutorThreadStats& cpuStats = cpu->PoolStats[pool]; 
-                        ElapsedTs += cpuStats.ElapsedTicks; 
-                        ParkedTs += cpuStats.ParkedTicks; 
-                    } 
-                    TBalancerStats stats; 
-                    stats.Ts = ts; 
-                    stats.CpuUs = Ts2Us(ElapsedTs); 
-                    stats.IdleUs = Ts2Us(ParkedTs); 
-                    Balancer->SetPoolStats(pool, stats); 
-                } 
-            } 
-            Balancer->Balance(); 
-            Balancer->Unlock(); 
-        } 
-    } 
- 
-    inline TPoolId TUnitedWorkers::AssignedPool(TWorkerContext& wctx) { 
-        return Cpus[wctx.CpuId].State.AssignedPool(); 
-    } 
- 
-    inline bool TUnitedWorkers::IsPoolReassigned(TWorkerContext& wctx) { 
-        return Cpus[wctx.CpuId].State.IsPoolReassigned(wctx.PoolId); 
-    } 
- 
-    inline void TUnitedWorkers::SwitchPool(TWorkerContext& wctx, ui64 softDeadlineTs) { 
-        Pools[wctx.PoolId].Switch(wctx, softDeadlineTs, Cpus[wctx.CpuId].PoolStats[wctx.PoolId]); 
-        Cpus[wctx.CpuId].SwitchPool(wctx.PoolId); 
-    } 
- 
-    TPoolId TUnitedWorkers::Idle(TPoolId assigned, TWorkerContext& wctx) { 
-        wctx.SwitchToIdle(); 
- 
-        TPoolId result; 
-        TTimeTracker timeTracker; 
-        TCpu& cpu = Cpus[wctx.CpuId]; 
-        TPool* assignedPool = assigned == CpuShared ? nullptr : &Pools[assigned]; 
-        TCpu::TScopedWaiters scopedWaiters(cpu, assignedPool); 
-        while (true) { 
-            if (cpu.StartSpinning(this, assignedPool, result)) { 
-                break; // token already acquired (or stop) 
-            }
-            result = WaitSequence(cpu, wctx, timeTracker); 
-            if (Y_UNLIKELY(result == CpuStopped) || TryAcquireToken(result)) { 
-                break; // token acquired (or stop) 
-            } 
-        }
- 
-        wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, timeTracker.Elapsed()); 
-        return result; 
+    inline void TUnitedWorkers::Balance() {
+        ui64 ts = GetCycleCountFast();
+        if (Balancer->TryLock(ts)) {
+            for (TPoolId pool = 0; pool < PoolCount; pool++) {
+                if (Pools[pool].IsUnited()) {
+                    ui64 ElapsedTs = 0;
+                    ui64 ParkedTs = 0;
+                    for (TCpu* cpu : Pools[pool].WakeOrderCpus) {
+                        const TExecutorThreadStats& cpuStats = cpu->PoolStats[pool];
+                        ElapsedTs += cpuStats.ElapsedTicks;
+                        ParkedTs += cpuStats.ParkedTicks;
+                    }
+                    TBalancerStats stats;
+                    stats.Ts = ts;
+                    stats.CpuUs = Ts2Us(ElapsedTs);
+                    stats.IdleUs = Ts2Us(ParkedTs);
+                    Balancer->SetPoolStats(pool, stats);
+                }
+            }
+            Balancer->Balance();
+            Balancer->Unlock();
+        }
     }
 
-    TPoolId TUnitedWorkers::WaitSequence(TCpu& cpu, TWorkerContext& wctx, TTimeTracker& timeTracker) { 
-        TPoolId result; 
-        if (cpu.ActiveWait(Us2Ts(Config.SpinThresholdUs), result)) { 
-            wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, timeTracker.Elapsed()); 
-            return result; 
-        } 
-        if (cpu.StartBlocking(result)) { 
-            wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, timeTracker.Elapsed()); 
-            return result; 
-        } 
-        wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, timeTracker.Elapsed()); 
-        bool wakeup; 
-        do { 
-            wakeup = cpu.BlockedWait(result, Config.Balancer.PeriodUs * 1000); 
-            wctx.AddParkedCycles(timeTracker.Elapsed()); 
-        } while (!wakeup); 
-        return result; 
+    inline TPoolId TUnitedWorkers::AssignedPool(TWorkerContext& wctx) {
+        return Cpus[wctx.CpuId].State.AssignedPool();
     }
 
-    void TUnitedWorkers::GetCurrentStats(TPoolId pool, TVector<TExecutorThreadStats>& statsCopy) const { 
-        size_t idx = 1; 
-        statsCopy.resize(idx + Pools[pool].WakeOrderCpus.size()); 
-        for (TCpu* cpu : Pools[pool].WakeOrderCpus) { 
-            TExecutorThreadStats& s = statsCopy[idx++]; 
-            s = TExecutorThreadStats(); 
-            s.Aggregate(cpu->PoolStats[pool]); 
-        } 
-    } 
-
-    TUnitedExecutorPool::TUnitedExecutorPool(const TUnitedExecutorPoolConfig& cfg, TUnitedWorkers* united) 
-        : TExecutorPoolBaseMailboxed(cfg.PoolId, cfg.MaxActivityType) 
-        , United(united) 
-        , PoolName(cfg.PoolName) 
-    { 
-        United->SetupPool(TPoolId(cfg.PoolId), this, MailboxTable.Get()); 
-    } 
-
-    void TUnitedExecutorPool::Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) { 
-        ActorSystem = actorSystem; 
-
-        // Schedule readers are initialized through TUnitedWorkers::Prepare 
-        *scheduleReaders = nullptr; 
-        *scheduleSz = 0; 
-    } 
- 
-    void TUnitedExecutorPool::Start() { 
-        // workers are actually started in TUnitedWorkers::Start() 
-    } 
- 
-    void TUnitedExecutorPool::PrepareStop() { 
-    } 
- 
-    void TUnitedExecutorPool::Shutdown() { 
-        // workers are actually joined in TUnitedWorkers::Shutdown() 
-    } 
- 
-    TAffinity* TUnitedExecutorPool::Affinity() const { 
-        Y_FAIL(); // should never be called, TCpuExecutorPool is used instead 
-    } 
- 
-    ui32 TUnitedExecutorPool::GetThreads() const { 
-        return 0; 
-    } 
- 
-    ui32 TUnitedExecutorPool::GetReadyActivation(TWorkerContext&, ui64) { 
-        Y_FAIL(); // should never be called, TCpu*ExecutorPool is used instead 
-    } 
- 
-    inline void TUnitedExecutorPool::ScheduleActivation(ui32 activation) { 
-        TUnitedExecutorPool::ScheduleActivationEx(activation, AtomicIncrement(ActivationsRevolvingCounter)); 
-    } 
- 
-    inline void TUnitedExecutorPool::ScheduleActivationEx(ui32 activation, ui64 revolvingCounter) { 
-        United->PushActivation(PoolId, activation, revolvingCounter); 
-    } 
- 
-    void TUnitedExecutorPool::Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) { 
-        TUnitedExecutorPool::Schedule(deadline - ActorSystem->Timestamp(), ev, cookie, workerId); 
-    } 
- 
-    void TUnitedExecutorPool::Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) { 
-        Y_VERIFY_DEBUG(workerId < United->GetWorkerCount()); 
-        const auto current = ActorSystem->Monotonic(); 
-        if (deadline < current) { 
-            deadline = current; 
-        }
-        United->GetScheduleWriter(workerId)->Push(deadline.MicroSeconds(), ev.Release(), cookie); 
+    inline bool TUnitedWorkers::IsPoolReassigned(TWorkerContext& wctx) {
+        return Cpus[wctx.CpuId].State.IsPoolReassigned(wctx.PoolId);
+    }
+
+    inline void TUnitedWorkers::SwitchPool(TWorkerContext& wctx, ui64 softDeadlineTs) {
+        Pools[wctx.PoolId].Switch(wctx, softDeadlineTs, Cpus[wctx.CpuId].PoolStats[wctx.PoolId]);
+        Cpus[wctx.CpuId].SwitchPool(wctx.PoolId);
+    }
+
+    TPoolId TUnitedWorkers::Idle(TPoolId assigned, TWorkerContext& wctx) {
+        wctx.SwitchToIdle();
+
+        TPoolId result;
+        TTimeTracker timeTracker;
+        TCpu& cpu = Cpus[wctx.CpuId];
+        TPool* assignedPool = assigned == CpuShared ? nullptr : &Pools[assigned];
+        TCpu::TScopedWaiters scopedWaiters(cpu, assignedPool);
+        while (true) {
+            if (cpu.StartSpinning(this, assignedPool, result)) {
+                break; // token already acquired (or stop)
+            }
+            result = WaitSequence(cpu, wctx, timeTracker);
+            if (Y_UNLIKELY(result == CpuStopped) || TryAcquireToken(result)) {
+                break; // token acquired (or stop)
+            }
+        }
+
+        wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, timeTracker.Elapsed());
+        return result;
+    }
+
+    TPoolId TUnitedWorkers::WaitSequence(TCpu& cpu, TWorkerContext& wctx, TTimeTracker& timeTracker) {
+        TPoolId result;
+        if (cpu.ActiveWait(Us2Ts(Config.SpinThresholdUs), result)) {
+            wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, timeTracker.Elapsed());
+            return result;
+        }
+        if (cpu.StartBlocking(result)) {
+            wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, timeTracker.Elapsed());
+            return result;
+        }
+        wctx.AddElapsedCycles(IActor::ACTOR_SYSTEM, timeTracker.Elapsed());
+        bool wakeup;
+        do {
+            wakeup = cpu.BlockedWait(result, Config.Balancer.PeriodUs * 1000);
+            wctx.AddParkedCycles(timeTracker.Elapsed());
+        } while (!wakeup);
+        return result;
+    }
+
+    void TUnitedWorkers::GetCurrentStats(TPoolId pool, TVector<TExecutorThreadStats>& statsCopy) const {
+        size_t idx = 1;
+        statsCopy.resize(idx + Pools[pool].WakeOrderCpus.size());
+        for (TCpu* cpu : Pools[pool].WakeOrderCpus) {
+            TExecutorThreadStats& s = statsCopy[idx++];
+            s = TExecutorThreadStats();
+            s.Aggregate(cpu->PoolStats[pool]);
+        }
+    }
+
+    TUnitedExecutorPool::TUnitedExecutorPool(const TUnitedExecutorPoolConfig& cfg, TUnitedWorkers* united)
+        : TExecutorPoolBaseMailboxed(cfg.PoolId, cfg.MaxActivityType)
+        , United(united)
+        , PoolName(cfg.PoolName)
+    {
+        United->SetupPool(TPoolId(cfg.PoolId), this, MailboxTable.Get());
+    }
+
+    void TUnitedExecutorPool::Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) {
+        ActorSystem = actorSystem;
+
+        // Schedule readers are initialized through TUnitedWorkers::Prepare
+        *scheduleReaders = nullptr;
+        *scheduleSz = 0;
+    }
+
+    void TUnitedExecutorPool::Start() {
+        // workers are actually started in TUnitedWorkers::Start()
+    }
+
+    void TUnitedExecutorPool::PrepareStop() {
+    }
+
+    void TUnitedExecutorPool::Shutdown() {
+        // workers are actually joined in TUnitedWorkers::Shutdown()
+    }
+
+    TAffinity* TUnitedExecutorPool::Affinity() const {
+        Y_FAIL(); // should never be called, TCpuExecutorPool is used instead
+    }
+
+    ui32 TUnitedExecutorPool::GetThreads() const {
+        return 0;
+    }
+
+    ui32 TUnitedExecutorPool::GetReadyActivation(TWorkerContext&, ui64) {
+        Y_FAIL(); // should never be called, TCpu*ExecutorPool is used instead
+    }
+
+    inline void TUnitedExecutorPool::ScheduleActivation(ui32 activation) {
+        TUnitedExecutorPool::ScheduleActivationEx(activation, AtomicIncrement(ActivationsRevolvingCounter));
+    }
+
+    inline void TUnitedExecutorPool::ScheduleActivationEx(ui32 activation, ui64 revolvingCounter) {
+        United->PushActivation(PoolId, activation, revolvingCounter);
+    }
+
+    void TUnitedExecutorPool::Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) {
+        TUnitedExecutorPool::Schedule(deadline - ActorSystem->Timestamp(), ev, cookie, workerId);
+    }
+
+    void TUnitedExecutorPool::Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) {
+        Y_VERIFY_DEBUG(workerId < United->GetWorkerCount());
+        const auto current = ActorSystem->Monotonic();
+        if (deadline < current) {
+            deadline = current;
+        }
+        United->GetScheduleWriter(workerId)->Push(deadline.MicroSeconds(), ev.Release(), cookie);
+    }
+
+    void TUnitedExecutorPool::Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) {
+        Y_VERIFY_DEBUG(workerId < United->GetWorkerCount());
+        const auto deadline = ActorSystem->Monotonic() + delta;
+        United->GetScheduleWriter(workerId)->Push(deadline.MicroSeconds(), ev.Release(), cookie);
+    }
+
+    void TUnitedExecutorPool::GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const {
+        Y_UNUSED(poolStats);
+        if (statsCopy.empty()) {
+            statsCopy.resize(1);
+        }
+        statsCopy[0] = TExecutorThreadStats();
+        statsCopy[0].Aggregate(Stats);
+        United->GetCurrentStats(PoolId, statsCopy);
     }
- 
-    void TUnitedExecutorPool::Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) { 
-        Y_VERIFY_DEBUG(workerId < United->GetWorkerCount()); 
-        const auto deadline = ActorSystem->Monotonic() + delta; 
-        United->GetScheduleWriter(workerId)->Push(deadline.MicroSeconds(), ev.Release(), cookie); 
-    } 
- 
-    void TUnitedExecutorPool::GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const { 
-        Y_UNUSED(poolStats); 
-        if (statsCopy.empty()) { 
-            statsCopy.resize(1); 
-        } 
-        statsCopy[0] = TExecutorThreadStats(); 
-        statsCopy[0].Aggregate(Stats); 
-        United->GetCurrentStats(PoolId, statsCopy); 
-    } 
 }
diff --git a/library/cpp/actors/core/executor_pool_united.h b/library/cpp/actors/core/executor_pool_united.h
index 8f5cabe365..a090ba2466 100644
--- a/library/cpp/actors/core/executor_pool_united.h
+++ b/library/cpp/actors/core/executor_pool_united.h
@@ -1,133 +1,133 @@
 #pragma once
 
 #include "actorsystem.h"
-#include "balancer.h" 
+#include "balancer.h"
 #include "scheduler_queue.h"
 #include "executor_pool_base.h"
- 
+
 #include <library/cpp/actors/util/unordered_cache.h>
- 
+
 #include <library/cpp/monlib/dynamic_counters/counters.h>
-#include <library/cpp/actors/util/unordered_cache.h> 
-#include <library/cpp/containers/stack_vector/stack_vec.h> 
- 
-#include <util/generic/noncopyable.h> 
- 
+#include <library/cpp/actors/util/unordered_cache.h>
+#include <library/cpp/containers/stack_vector/stack_vec.h>
+
+#include <util/generic/noncopyable.h>
+
 namespace NActors {
-    class TMailboxTable; 
-
-    class TUnitedWorkers: public TNonCopyable { 
-        struct TWorker; 
-        struct TPool; 
-        struct TCpu; 
-
-        size_t WorkerCount; 
-        TArrayHolder<TWorker> Workers; // indexed by WorkerId 
-        size_t PoolCount; 
-        TArrayHolder<TPool> Pools;  // indexed by PoolId, so may include not used (not united) pools 
-        size_t CpuCount; 
-        TArrayHolder<TCpu> Cpus; // indexed by CpuId, so may include not allocated CPUs 
-
-        IBalancer* Balancer; // external pool cpu balancer 
- 
-        TUnitedWorkersConfig Config; 
-        TCpuAllocationConfig Allocation; 
-
-        volatile bool StopFlag = false; 
-
-    public: 
-        TUnitedWorkers( 
-            const TUnitedWorkersConfig& config, 
-            const TVector<TUnitedExecutorPoolConfig>& unitedPools, 
-            const TCpuAllocationConfig& allocation, 
-            IBalancer* balancer); 
-        ~TUnitedWorkers(); 
-        void Prepare(TActorSystem* actorSystem, TVector<NSchedulerQueue::TReader*>& scheduleReaders); 
-        void Start(); 
-        void PrepareStop(); 
-        void Shutdown(); 
-
-        bool IsStopped() const { 
-            return RelaxedLoad(&StopFlag); 
-        } 
-
-        TWorkerId GetWorkerCount() const { 
-            return WorkerCount; 
-        } 
-
-        // Returns thread id of a worker 
-        TThreadId GetWorkerThreadId(TWorkerId workerId) const; 
-
-        // Returns per worker schedule writers 
-        NSchedulerQueue::TWriter* GetScheduleWriter(TWorkerId workerId) const; 
-
-        // Sets executor for specified pool 
-        void SetupPool(TPoolId pool, IExecutorPool* executorPool, TMailboxTable* mailboxTable); 
-
-        // Add activation of newly scheduled mailbox and wake cpu to execute it if required 
-        void PushActivation(TPoolId pool, ui32 activation, ui64 revolvingCounter); 
-
-        // Try acquire pending token. Must be done before execution 
-        bool TryAcquireToken(TPoolId pool); 
-
-        // Try to wake idle cpu waiting for tokens on specified pool 
-        void TryWake(TPoolId pool); 
-
-        // Get activation from pool; requires pool's token 
-        void BeginExecution(TPoolId pool, ui32& activation, ui64 revolvingCounter); 
-
-        // Stop currently active execution and start new one if token is available 
-        // NOTE: Reuses token if it's not destroyed 
-        bool NextExecution(TPoolId pool, ui32& activation, ui64 revolvingCounter); 
-
-        // Stop active execution 
-        void StopExecution(TPoolId pool); 
-
-        // Runs balancer to assign pools to cpus 
-        void Balance(); 
- 
-        // Returns pool to be executed by worker or `CpuShared` 
-        TPoolId AssignedPool(TWorkerContext& wctx); 
- 
-        // Checks if balancer has assigned another pool for worker's cpu 
-        bool IsPoolReassigned(TWorkerContext& wctx); 
- 
-        // Switch worker context into specified pool 
-        void SwitchPool(TWorkerContext& wctx, ui64 softDeadlineTs); 
- 
-        // Wait for tokens from any pool allowed on specified cpu 
-        TPoolId Idle(TPoolId assigned, TWorkerContext& wctx); 
- 
-        // Fill stats for specified pool 
-        void GetCurrentStats(TPoolId pool, TVector<TExecutorThreadStats>& statsCopy) const; 
- 
-    private: 
-        TPoolId WaitSequence(TCpu& cpu, TWorkerContext& wctx, TTimeTracker& timeTracker); 
-    }; 
- 
-    class TUnitedExecutorPool: public TExecutorPoolBaseMailboxed { 
-        TUnitedWorkers* United; 
-        const TString PoolName; 
-        TAtomic ActivationsRevolvingCounter = 0; 
-    public: 
-        TUnitedExecutorPool(const TUnitedExecutorPoolConfig& cfg, TUnitedWorkers* united); 
- 
-        void Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) override; 
+    class TMailboxTable;
+
+    class TUnitedWorkers: public TNonCopyable {
+        struct TWorker;
+        struct TPool;
+        struct TCpu;
+
+        size_t WorkerCount;
+        TArrayHolder<TWorker> Workers; // indexed by WorkerId
+        size_t PoolCount;
+        TArrayHolder<TPool> Pools;  // indexed by PoolId, so may include not used (not united) pools
+        size_t CpuCount;
+        TArrayHolder<TCpu> Cpus; // indexed by CpuId, so may include not allocated CPUs
+
+        IBalancer* Balancer; // external pool cpu balancer
+
+        TUnitedWorkersConfig Config;
+        TCpuAllocationConfig Allocation;
+
+        volatile bool StopFlag = false;
+
+    public:
+        TUnitedWorkers(
+            const TUnitedWorkersConfig& config,
+            const TVector<TUnitedExecutorPoolConfig>& unitedPools,
+            const TCpuAllocationConfig& allocation,
+            IBalancer* balancer);
+        ~TUnitedWorkers();
+        void Prepare(TActorSystem* actorSystem, TVector<NSchedulerQueue::TReader*>& scheduleReaders);
+        void Start();
+        void PrepareStop();
+        void Shutdown();
+
+        bool IsStopped() const {
+            return RelaxedLoad(&StopFlag);
+        }
+
+        TWorkerId GetWorkerCount() const {
+            return WorkerCount;
+        }
+
+        // Returns thread id of a worker
+        TThreadId GetWorkerThreadId(TWorkerId workerId) const;
+
+        // Returns per worker schedule writers
+        NSchedulerQueue::TWriter* GetScheduleWriter(TWorkerId workerId) const;
+
+        // Sets executor for specified pool
+        void SetupPool(TPoolId pool, IExecutorPool* executorPool, TMailboxTable* mailboxTable);
+
+        // Add activation of newly scheduled mailbox and wake cpu to execute it if required
+        void PushActivation(TPoolId pool, ui32 activation, ui64 revolvingCounter);
+
+        // Try acquire pending token. Must be done before execution
+        bool TryAcquireToken(TPoolId pool);
+
+        // Try to wake idle cpu waiting for tokens on specified pool
+        void TryWake(TPoolId pool);
+
+        // Get activation from pool; requires pool's token
+        void BeginExecution(TPoolId pool, ui32& activation, ui64 revolvingCounter);
+
+        // Stop currently active execution and start new one if token is available
+        // NOTE: Reuses token if it's not destroyed
+        bool NextExecution(TPoolId pool, ui32& activation, ui64 revolvingCounter);
+
+        // Stop active execution
+        void StopExecution(TPoolId pool);
+
+        // Runs balancer to assign pools to cpus
+        void Balance();
+
+        // Returns pool to be executed by worker or `CpuShared`
+        TPoolId AssignedPool(TWorkerContext& wctx);
+
+        // Checks if balancer has assigned another pool for worker's cpu
+        bool IsPoolReassigned(TWorkerContext& wctx);
+
+        // Switch worker context into specified pool
+        void SwitchPool(TWorkerContext& wctx, ui64 softDeadlineTs);
+
+        // Wait for tokens from any pool allowed on specified cpu
+        TPoolId Idle(TPoolId assigned, TWorkerContext& wctx);
+
+        // Fill stats for specified pool
+        void GetCurrentStats(TPoolId pool, TVector<TExecutorThreadStats>& statsCopy) const;
+
+    private:
+        TPoolId WaitSequence(TCpu& cpu, TWorkerContext& wctx, TTimeTracker& timeTracker);
+    };
+
+    class TUnitedExecutorPool: public TExecutorPoolBaseMailboxed {
+        TUnitedWorkers* United;
+        const TString PoolName;
+        TAtomic ActivationsRevolvingCounter = 0;
+    public:
+        TUnitedExecutorPool(const TUnitedExecutorPoolConfig& cfg, TUnitedWorkers* united);
+
+        void Prepare(TActorSystem* actorSystem, NSchedulerQueue::TReader** scheduleReaders, ui32* scheduleSz) override;
         void Start() override;
         void PrepareStop() override;
         void Shutdown() override;
 
-        TAffinity* Affinity() const override; 
-        ui32 GetThreads() const override; 
-        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingReadCounter) override; 
-        void ScheduleActivation(ui32 activation) override; 
-        void ScheduleActivationEx(ui32 activation, ui64 revolvingWriteCounter) override; 
-        void Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override; 
-        void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override; 
-        void Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override; 
- 
+        TAffinity* Affinity() const override;
+        ui32 GetThreads() const override;
+        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingReadCounter) override;
+        void ScheduleActivation(ui32 activation) override;
+        void ScheduleActivationEx(ui32 activation, ui64 revolvingWriteCounter) override;
+        void Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
+        void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
+        void Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
+
         void GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const override;
- 
+
         TString GetName() const override {
             return PoolName;
         }
diff --git a/library/cpp/actors/core/executor_pool_united_ut.cpp b/library/cpp/actors/core/executor_pool_united_ut.cpp
index 97e1f91557..d4df17f1b8 100644
--- a/library/cpp/actors/core/executor_pool_united_ut.cpp
+++ b/library/cpp/actors/core/executor_pool_united_ut.cpp
@@ -18,18 +18,18 @@ struct TEvMsg : public NActors::TEventBase<TEvMsg, 10347> {
 
 ////////////////////////////////////////////////////////////////////////////////
 
-inline ui64 DoTimedWork(ui64 workUs) { 
-    ui64 startUs = ThreadCPUTime(); 
-    ui64 endUs = startUs + workUs; 
-    ui64 nowUs = startUs; 
-    do { 
-        ui64 endTs = GetCycleCountFast() + Us2Ts(endUs - nowUs); 
-        while (GetCycleCountFast() <= endTs) {} 
-        nowUs = ThreadCPUTime(); 
-    } while (nowUs <= endUs); 
-    return nowUs - startUs; 
-} 
- 
+inline ui64 DoTimedWork(ui64 workUs) {
+    ui64 startUs = ThreadCPUTime();
+    ui64 endUs = startUs + workUs;
+    ui64 nowUs = startUs;
+    do {
+        ui64 endTs = GetCycleCountFast() + Us2Ts(endUs - nowUs);
+        while (GetCycleCountFast() <= endTs) {}
+        nowUs = ThreadCPUTime();
+    } while (nowUs <= endUs);
+    return nowUs - startUs;
+}
+
 class TTestSenderActor : public IActor {
 private:
     using EActivityType = IActor::EActivityType ;
@@ -48,7 +48,7 @@ public:
         , Action(action)
     {}
 
-    void Start(TActorId receiver, size_t count) { 
+    void Start(TActorId receiver, size_t count) {
         AtomicSet(Counter, count);
         Receiver = receiver;
     }
@@ -68,14 +68,14 @@ public:
     }
 
 private:
-    STFUNC(Execute) { 
+    STFUNC(Execute) {
         Y_UNUSED(ctx);
         switch (ev->GetTypeRewrite()) {
             hFunc(TEvMsg, Handle);
         }
     }
 
-    void Handle(TEvMsg::TPtr &ev) { 
+    void Handle(TEvMsg::TPtr &ev) {
         Y_UNUSED(ev);
         Action();
         TAtomicBase count = AtomicDecrement(Counter);
@@ -86,57 +86,57 @@ private:
     }
 };
 
-// Single cpu balancer that switches pool on every activation; not thread-safe 
-struct TRoundRobinBalancer: public IBalancer { 
-    TCpuState* State; 
-    TMap<TPoolId, TPoolId> NextPool; 
- 
-    bool AddCpu(const TCpuAllocation& cpuAlloc, TCpuState* cpu) override { 
-        State = cpu; 
-        TPoolId prev = cpuAlloc.AllowedPools.rbegin()->PoolId; 
-        for (auto& p : cpuAlloc.AllowedPools) { 
-            NextPool[prev] = p.PoolId; 
-            prev = p.PoolId; 
-        } 
-        return true; 
-    } 
- 
-    bool TryLock(ui64) override { return true; } 
-    void SetPoolStats(TPoolId, const TBalancerStats&) override {} 
-    void Unlock() override {} 
- 
-    void Balance() override { 
-        TPoolId assigned; 
-        TPoolId current; 
-        State->Load(assigned, current); 
-        State->AssignPool(NextPool[assigned]); 
-    } 
-}; 
- 
-void AddUnitedPool(THolder<TActorSystemSetup>& setup, ui32 concurrency = 0) { 
-    TUnitedExecutorPoolConfig united; 
-    united.PoolId = setup->GetExecutorsCount(); 
-    united.Concurrency = concurrency; 
-    setup->CpuManager.United.emplace_back(std::move(united)); 
-} 
- 
-THolder<TActorSystemSetup> GetActorSystemSetup(ui32 cpuCount) { 
+// Single cpu balancer that switches pool on every activation; not thread-safe
+struct TRoundRobinBalancer: public IBalancer {
+    TCpuState* State;
+    TMap<TPoolId, TPoolId> NextPool;
+
+    bool AddCpu(const TCpuAllocation& cpuAlloc, TCpuState* cpu) override {
+        State = cpu;
+        TPoolId prev = cpuAlloc.AllowedPools.rbegin()->PoolId;
+        for (auto& p : cpuAlloc.AllowedPools) {
+            NextPool[prev] = p.PoolId;
+            prev = p.PoolId;
+        }
+        return true;
+    }
+
+    bool TryLock(ui64) override { return true; }
+    void SetPoolStats(TPoolId, const TBalancerStats&) override {}
+    void Unlock() override {}
+
+    void Balance() override {
+        TPoolId assigned;
+        TPoolId current;
+        State->Load(assigned, current);
+        State->AssignPool(NextPool[assigned]);
+    }
+};
+
+void AddUnitedPool(THolder<TActorSystemSetup>& setup, ui32 concurrency = 0) {
+    TUnitedExecutorPoolConfig united;
+    united.PoolId = setup->GetExecutorsCount();
+    united.Concurrency = concurrency;
+    setup->CpuManager.United.emplace_back(std::move(united));
+}
+
+THolder<TActorSystemSetup> GetActorSystemSetup(ui32 cpuCount) {
     auto setup = MakeHolder<NActors::TActorSystemSetup>();
     setup->NodeId = 1;
-    setup->CpuManager.UnitedWorkers.CpuCount = cpuCount; 
-    setup->CpuManager.UnitedWorkers.NoRealtime = true; // unavailable in test environment 
+    setup->CpuManager.UnitedWorkers.CpuCount = cpuCount;
+    setup->CpuManager.UnitedWorkers.NoRealtime = true; // unavailable in test environment
     setup->Scheduler = new TBasicSchedulerThread(NActors::TSchedulerConfig(512, 0));
     return setup;
 }
 
-Y_UNIT_TEST_SUITE(UnitedExecutorPool) { 
+Y_UNIT_TEST_SUITE(UnitedExecutorPool) {
 
-#ifdef _linux_ 
+#ifdef _linux_
 
-    Y_UNIT_TEST(OnePoolManyCpus) { 
+    Y_UNIT_TEST(OnePoolManyCpus) {
         const size_t msgCount = 1e4;
-        auto setup = GetActorSystemSetup(4); 
-        AddUnitedPool(setup); 
+        auto setup = GetActorSystemSetup(4);
+        AddUnitedPool(setup);
         TActorSystem actorSystem(setup);
         actorSystem.Start();
 
@@ -153,186 +153,186 @@ Y_UNIT_TEST_SUITE(UnitedExecutorPool) {
 
             Sleep(TDuration::MilliSeconds(1));
         }
- 
-        TVector<TExecutorThreadStats> stats; 
-        TExecutorPoolStats poolStats; 
-        actorSystem.GetPoolStats(0, poolStats, stats); 
-        // Sum all per-thread counters into the 0th element 
-        for (ui32 idx = 1; idx < stats.size(); ++idx) { 
-            stats[0].Aggregate(stats[idx]); 
-        } 
- 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].SentEvents, msgCount - 1); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEvents, msgCount); 
-        //UNIT_ASSERT_VALUES_EQUAL(stats[0].PreemptedEvents, 0); // depends on execution time and system load, so may be non-zero 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].NonDeliveredEvents, 0); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].EmptyMailboxActivation, 0); 
-        //UNIT_ASSERT_VALUES_EQUAL(stats[0].CpuNs, 0); // depends on total duration of test, so undefined 
-        UNIT_ASSERT(stats[0].ElapsedTicks > 0); 
-        UNIT_ASSERT(stats[0].ParkedTicks == 0); // per-pool parked time does not make sense for united pools 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].BlockedTicks, 0); 
-        UNIT_ASSERT(stats[0].ActivationTimeHistogram.TotalSamples >= msgCount / TBasicExecutorPoolConfig::DEFAULT_EVENTS_PER_MAILBOX); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].EventDeliveryTimeHistogram.TotalSamples, msgCount); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].EventProcessingCountHistogram.TotalSamples, msgCount); 
-        UNIT_ASSERT(stats[0].EventProcessingTimeHistogram.TotalSamples > 0); 
-        UNIT_ASSERT(stats[0].ElapsedTicksByActivity[0] > 0); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEventsByActivity[0], msgCount); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].ActorsAliveByActivity[0], 1); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].ScheduledEventsByActivity[0], 0); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolActorRegistrations, 1); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolDestroyedActors, 0); 
-        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolAllocatedMailboxes, 4095); // one line 
-        UNIT_ASSERT(stats[0].MailboxPushedOutByTime + stats[0].MailboxPushedOutByEventCount + stats[0].MailboxPushedOutBySoftPreemption >= msgCount / TBasicExecutorPoolConfig::DEFAULT_EVENTS_PER_MAILBOX); 
+
+        TVector<TExecutorThreadStats> stats;
+        TExecutorPoolStats poolStats;
+        actorSystem.GetPoolStats(0, poolStats, stats);
+        // Sum all per-thread counters into the 0th element
+        for (ui32 idx = 1; idx < stats.size(); ++idx) {
+            stats[0].Aggregate(stats[idx]);
+        }
+
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].SentEvents, msgCount - 1);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEvents, msgCount);
+        //UNIT_ASSERT_VALUES_EQUAL(stats[0].PreemptedEvents, 0); // depends on execution time and system load, so may be non-zero
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].NonDeliveredEvents, 0);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].EmptyMailboxActivation, 0);
+        //UNIT_ASSERT_VALUES_EQUAL(stats[0].CpuNs, 0); // depends on total duration of test, so undefined
+        UNIT_ASSERT(stats[0].ElapsedTicks > 0);
+        UNIT_ASSERT(stats[0].ParkedTicks == 0); // per-pool parked time does not make sense for united pools
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].BlockedTicks, 0);
+        UNIT_ASSERT(stats[0].ActivationTimeHistogram.TotalSamples >= msgCount / TBasicExecutorPoolConfig::DEFAULT_EVENTS_PER_MAILBOX);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].EventDeliveryTimeHistogram.TotalSamples, msgCount);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].EventProcessingCountHistogram.TotalSamples, msgCount);
+        UNIT_ASSERT(stats[0].EventProcessingTimeHistogram.TotalSamples > 0);
+        UNIT_ASSERT(stats[0].ElapsedTicksByActivity[0] > 0);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEventsByActivity[0], msgCount);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].ActorsAliveByActivity[0], 1);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].ScheduledEventsByActivity[0], 0);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolActorRegistrations, 1);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolDestroyedActors, 0);
+        UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolAllocatedMailboxes, 4095); // one line
+        UNIT_ASSERT(stats[0].MailboxPushedOutByTime + stats[0].MailboxPushedOutByEventCount + stats[0].MailboxPushedOutBySoftPreemption >= msgCount / TBasicExecutorPoolConfig::DEFAULT_EVENTS_PER_MAILBOX);
     }
 
-    Y_UNIT_TEST(ManyPoolsOneSharedCpu) { 
+    Y_UNIT_TEST(ManyPoolsOneSharedCpu) {
         const size_t msgCount = 1e4;
-        const size_t pools = 4; 
-        auto setup = GetActorSystemSetup(1); 
-        for (size_t pool = 0; pool < pools; pool++) { 
-            AddUnitedPool(setup); 
-        } 
+        const size_t pools = 4;
+        auto setup = GetActorSystemSetup(1);
+        for (size_t pool = 0; pool < pools; pool++) {
+            AddUnitedPool(setup);
+        }
         TActorSystem actorSystem(setup);
         actorSystem.Start();
 
         auto begin = TInstant::Now();
 
-        TVector<TTestSenderActor*> actors; 
-        for (size_t pool = 0; pool < pools; pool++) { 
-            auto actor = new TTestSenderActor(); 
-            auto actorId = actorSystem.Register(actor, TMailboxType::HTSwap, pool); 
-            actor->Start(actor->SelfId(), msgCount); 
-            actorSystem.Send(actorId, new TEvMsg()); 
-            actors.push_back(actor); 
+        TVector<TTestSenderActor*> actors;
+        for (size_t pool = 0; pool < pools; pool++) {
+            auto actor = new TTestSenderActor();
+            auto actorId = actorSystem.Register(actor, TMailboxType::HTSwap, pool);
+            actor->Start(actor->SelfId(), msgCount);
+            actorSystem.Send(actorId, new TEvMsg());
+            actors.push_back(actor);
         }
 
         while (true) {
-            size_t left = 0; 
-            for (auto actor : actors) { 
-                left += actor->GetCounter(); 
+            size_t left = 0;
+            for (auto actor : actors) {
+                left += actor->GetCounter();
             }
-            if (left == 0) { 
+            if (left == 0) {
                 break;
             }
             auto now = TInstant::Now();
-            UNIT_ASSERT_C(now - begin < TDuration::Seconds(5), "left " << left); 
+            UNIT_ASSERT_C(now - begin < TDuration::Seconds(5), "left " << left);
             Sleep(TDuration::MilliSeconds(1));
         }
- 
-        for (size_t pool = 0; pool < pools; pool++) { 
-            TVector<TExecutorThreadStats> stats; 
-            TExecutorPoolStats poolStats; 
-            actorSystem.GetPoolStats(pool, poolStats, stats); 
-            // Sum all per-thread counters into the 0th element 
-            for (ui32 idx = 1; idx < stats.size(); ++idx) { 
-                stats[0].Aggregate(stats[idx]); 
-            } 
- 
-            UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEvents, msgCount); 
-            UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolActorRegistrations, 1); 
-        } 
+
+        for (size_t pool = 0; pool < pools; pool++) {
+            TVector<TExecutorThreadStats> stats;
+            TExecutorPoolStats poolStats;
+            actorSystem.GetPoolStats(pool, poolStats, stats);
+            // Sum all per-thread counters into the 0th element
+            for (ui32 idx = 1; idx < stats.size(); ++idx) {
+                stats[0].Aggregate(stats[idx]);
+            }
+
+            UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEvents, msgCount);
+            UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolActorRegistrations, 1);
+        }
     }
 
-    Y_UNIT_TEST(ManyPoolsOneAssignedCpu) { 
-        const size_t msgCount = 1e4; 
-        const size_t pools = 4; 
-        auto setup = GetActorSystemSetup(1); 
-        setup->Balancer.Reset(new TRoundRobinBalancer()); 
-        for (size_t pool = 0; pool < pools; pool++) { 
-            AddUnitedPool(setup); 
-        } 
-        TActorSystem actorSystem(setup); 
-        actorSystem.Start(); 
- 
-        auto begin = TInstant::Now(); 
- 
-        TVector<TTestSenderActor*> actors; 
-        for (size_t pool = 0; pool < pools; pool++) { 
-            auto actor = new TTestSenderActor(); 
-            auto actorId = actorSystem.Register(actor, TMailboxType::HTSwap, pool); 
-            actor->Start(actor->SelfId(), msgCount); 
-            actorSystem.Send(actorId, new TEvMsg()); 
-            actors.push_back(actor); 
-        } 
- 
-        while (true) { 
-            size_t left = 0; 
-            for (auto actor : actors) { 
-                left += actor->GetCounter(); 
-            } 
-            if (left == 0) { 
-                break; 
-            } 
-            auto now = TInstant::Now(); 
-            UNIT_ASSERT_C(now - begin < TDuration::Seconds(5), "left " << left); 
-            Sleep(TDuration::MilliSeconds(1)); 
-        } 
- 
-        for (size_t pool = 0; pool < pools; pool++) { 
-            TVector<TExecutorThreadStats> stats; 
-            TExecutorPoolStats poolStats; 
-            actorSystem.GetPoolStats(pool, poolStats, stats); 
-            // Sum all per-thread counters into the 0th element 
-            for (ui32 idx = 1; idx < stats.size(); ++idx) { 
-                stats[0].Aggregate(stats[idx]); 
-            } 
- 
-            UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEvents, msgCount); 
-            UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolActorRegistrations, 1); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(ManyPoolsOneCpuSlowEvents) { 
-        const size_t msgCount = 3; 
-        const size_t pools = 4; 
-        auto setup = GetActorSystemSetup(1); 
-        for (size_t pool = 0; pool < pools; pool++) { 
-            AddUnitedPool(setup); 
-        } 
+    Y_UNIT_TEST(ManyPoolsOneAssignedCpu) {
+        const size_t msgCount = 1e4;
+        const size_t pools = 4;
+        auto setup = GetActorSystemSetup(1);
+        setup->Balancer.Reset(new TRoundRobinBalancer());
+        for (size_t pool = 0; pool < pools; pool++) {
+            AddUnitedPool(setup);
+        }
         TActorSystem actorSystem(setup);
         actorSystem.Start();
 
         auto begin = TInstant::Now();
 
-        TVector<TTestSenderActor*> actors; 
-        for (size_t pool = 0; pool < pools; pool++) { 
-            auto actor = new TTestSenderActor([]() { 
-                DoTimedWork(100'000); 
-            }); 
-            auto actorId = actorSystem.Register(actor, TMailboxType::HTSwap, pool); 
-            actor->Start(actor->SelfId(), msgCount); 
-            actorSystem.Send(actorId, new TEvMsg()); 
-            actors.push_back(actor); 
+        TVector<TTestSenderActor*> actors;
+        for (size_t pool = 0; pool < pools; pool++) {
+            auto actor = new TTestSenderActor();
+            auto actorId = actorSystem.Register(actor, TMailboxType::HTSwap, pool);
+            actor->Start(actor->SelfId(), msgCount);
+            actorSystem.Send(actorId, new TEvMsg());
+            actors.push_back(actor);
         }
 
         while (true) {
-            size_t left = 0; 
-            for (auto actor : actors) { 
-                left += actor->GetCounter(); 
+            size_t left = 0;
+            for (auto actor : actors) {
+                left += actor->GetCounter();
             }
-            if (left == 0) { 
+            if (left == 0) {
                 break;
             }
             auto now = TInstant::Now();
-            UNIT_ASSERT_C(now - begin < TDuration::Seconds(15), "left " << left); 
+            UNIT_ASSERT_C(now - begin < TDuration::Seconds(5), "left " << left);
             Sleep(TDuration::MilliSeconds(1));
         }
 
-        for (size_t pool = 0; pool < pools; pool++) { 
-            TVector<TExecutorThreadStats> stats; 
-            TExecutorPoolStats poolStats; 
-            actorSystem.GetPoolStats(pool, poolStats, stats); 
-            // Sum all per-thread counters into the 0th element 
-            for (ui32 idx = 1; idx < stats.size(); ++idx) { 
-                stats[0].Aggregate(stats[idx]); 
-            } 
-
-            UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEvents, msgCount); 
-            UNIT_ASSERT_VALUES_EQUAL(stats[0].PreemptedEvents, msgCount); // every 100ms event should be preempted 
-            UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolActorRegistrations, 1); 
+        for (size_t pool = 0; pool < pools; pool++) {
+            TVector<TExecutorThreadStats> stats;
+            TExecutorPoolStats poolStats;
+            actorSystem.GetPoolStats(pool, poolStats, stats);
+            // Sum all per-thread counters into the 0th element
+            for (ui32 idx = 1; idx < stats.size(); ++idx) {
+                stats[0].Aggregate(stats[idx]);
+            }
+
+            UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEvents, msgCount);
+            UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolActorRegistrations, 1);
         }
-    } 
+    }
+
+    Y_UNIT_TEST(ManyPoolsOneCpuSlowEvents) {
+        const size_t msgCount = 3;
+        const size_t pools = 4;
+        auto setup = GetActorSystemSetup(1);
+        for (size_t pool = 0; pool < pools; pool++) {
+            AddUnitedPool(setup);
+        }
+        TActorSystem actorSystem(setup);
+        actorSystem.Start();
+
+        auto begin = TInstant::Now();
+
+        TVector<TTestSenderActor*> actors;
+        for (size_t pool = 0; pool < pools; pool++) {
+            auto actor = new TTestSenderActor([]() {
+                DoTimedWork(100'000);
+            });
+            auto actorId = actorSystem.Register(actor, TMailboxType::HTSwap, pool);
+            actor->Start(actor->SelfId(), msgCount);
+            actorSystem.Send(actorId, new TEvMsg());
+            actors.push_back(actor);
+        }
+
+        while (true) {
+            size_t left = 0;
+            for (auto actor : actors) {
+                left += actor->GetCounter();
+            }
+            if (left == 0) {
+                break;
+            }
+            auto now = TInstant::Now();
+            UNIT_ASSERT_C(now - begin < TDuration::Seconds(15), "left " << left);
+            Sleep(TDuration::MilliSeconds(1));
+        }
+
+        for (size_t pool = 0; pool < pools; pool++) {
+            TVector<TExecutorThreadStats> stats;
+            TExecutorPoolStats poolStats;
+            actorSystem.GetPoolStats(pool, poolStats, stats);
+            // Sum all per-thread counters into the 0th element
+            for (ui32 idx = 1; idx < stats.size(); ++idx) {
+                stats[0].Aggregate(stats[idx]);
+            }
+
+            UNIT_ASSERT_VALUES_EQUAL(stats[0].ReceivedEvents, msgCount);
+            UNIT_ASSERT_VALUES_EQUAL(stats[0].PreemptedEvents, msgCount); // every 100ms event should be preempted
+            UNIT_ASSERT_VALUES_EQUAL(stats[0].PoolActorRegistrations, 1);
+        }
+    }
 
-#endif 
+#endif
 
 }
diff --git a/library/cpp/actors/core/executor_thread.cpp b/library/cpp/actors/core/executor_thread.cpp
index 1fd93f1a42..446b651efd 100644
--- a/library/cpp/actors/core/executor_thread.cpp
+++ b/library/cpp/actors/core/executor_thread.cpp
@@ -7,18 +7,18 @@
 
 #include <library/cpp/actors/prof/tag.h>
 #include <library/cpp/actors/util/affinity.h>
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 #include <library/cpp/actors/util/thread.h>
 
 #ifdef BALLOC
 #include <library/cpp/balloc/optional/operators.h>
 #endif
 
-#ifdef _linux_ 
-#include <sys/syscall.h> 
-#include <unistd.h> 
-#endif 
- 
+#ifdef _linux_
+#include <sys/syscall.h>
+#include <unistd.h>
+#endif
+
 #include <util/system/type_name.h>
 #include <util/system/datetime.h>
 
@@ -28,42 +28,42 @@ namespace NActors {
     constexpr TDuration TExecutorThread::DEFAULT_TIME_PER_MAILBOX;
 
     TExecutorThread::TExecutorThread(
-            TWorkerId workerId, 
-            TWorkerId cpuId, 
-            TActorSystem* actorSystem, 
-            IExecutorPool* executorPool, 
-            TMailboxTable* mailboxTable, 
-            const TString& threadName, 
-            TDuration timePerMailbox, 
-            ui32 eventsPerMailbox) 
-        : ActorSystem(actorSystem) 
+            TWorkerId workerId,
+            TWorkerId cpuId,
+            TActorSystem* actorSystem,
+            IExecutorPool* executorPool,
+            TMailboxTable* mailboxTable,
+            const TString& threadName,
+            TDuration timePerMailbox,
+            ui32 eventsPerMailbox)
+        : ActorSystem(actorSystem)
         , ExecutorPool(executorPool)
-        , Ctx(workerId, cpuId, actorSystem ? actorSystem->GetMaxActivityType() : 1) 
+        , Ctx(workerId, cpuId, actorSystem ? actorSystem->GetMaxActivityType() : 1)
         , ThreadName(threadName)
-    { 
-        Ctx.Switch( 
-            ExecutorPool, 
-            mailboxTable, 
-            NHPTimer::GetClockRate() * timePerMailbox.SecondsFloat(), 
-            eventsPerMailbox, 
-            ui64(-1), // infinite soft deadline 
-            &Ctx.WorkerStats); 
-    } 
+    {
+        Ctx.Switch(
+            ExecutorPool,
+            mailboxTable,
+            NHPTimer::GetClockRate() * timePerMailbox.SecondsFloat(),
+            eventsPerMailbox,
+            ui64(-1), // infinite soft deadline
+            &Ctx.WorkerStats);
+    }
 
     TActorId TExecutorThread::RegisterActor(IActor* actor, TMailboxType::EType mailboxType, ui32 poolId, const TActorId& parentId) {
         if (poolId == Max<ui32>())
-            return Ctx.Executor->Register(actor, mailboxType, ++RevolvingWriteCounter, parentId ? parentId : CurrentRecipient); 
+            return Ctx.Executor->Register(actor, mailboxType, ++RevolvingWriteCounter, parentId ? parentId : CurrentRecipient);
         else
             return ActorSystem->Register(actor, mailboxType, poolId, ++RevolvingWriteCounter, parentId ? parentId : CurrentRecipient);
     }
 
     TActorId TExecutorThread::RegisterActor(IActor* actor, TMailboxHeader* mailbox, ui32 hint, const TActorId& parentId) {
-        return Ctx.Executor->Register(actor, mailbox, hint, parentId ? parentId : CurrentRecipient); 
+        return Ctx.Executor->Register(actor, mailbox, hint, parentId ? parentId : CurrentRecipient);
     }
 
     void TExecutorThread::UnregisterActor(TMailboxHeader* mailbox, ui64 localActorId) {
         IActor* actor = mailbox->DetachActor(localActorId);
-        Ctx.DecrementActorsAliveByActivity(actor->GetActivityType()); 
+        Ctx.DecrementActorsAliveByActivity(actor->GetActivityType());
         DyingActors.push_back(THolder(actor));
     }
 
@@ -73,17 +73,17 @@ namespace NActors {
 
     void TExecutorThread::Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie) {
         ++CurrentActorScheduledEventsCounter;
-        Ctx.Executor->Schedule(deadline, ev, cookie, Ctx.WorkerId); 
+        Ctx.Executor->Schedule(deadline, ev, cookie, Ctx.WorkerId);
     }
 
     void TExecutorThread::Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie) {
         ++CurrentActorScheduledEventsCounter;
-        Ctx.Executor->Schedule(deadline, ev, cookie, Ctx.WorkerId); 
+        Ctx.Executor->Schedule(deadline, ev, cookie, Ctx.WorkerId);
     }
 
     void TExecutorThread::Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie) {
         ++CurrentActorScheduledEventsCounter;
-        Ctx.Executor->Schedule(delta, ev, cookie, Ctx.WorkerId); 
+        Ctx.Executor->Schedule(delta, ev, cookie, Ctx.WorkerId);
     }
 
     template <class T>
@@ -96,7 +96,7 @@ namespace NActors {
         } catch (...) {
             return "unknown-type";
         }
-    } 
+    }
 
     inline TString ActorTypeName(const IActor* actor, ui32 activityType) {
         return actor ? SafeTypeName(actor) : ("activityType_" + ToString(activityType) + " (destroyed)");
@@ -113,8 +113,8 @@ namespace NActors {
                 baseEv ? SafeTypeName(baseEv) : (ev ? ToString(ev->Type) : TString("nullptr")),
                 currentRecipient.ToString(),
                 SafeTypeName(actor));
-    } 
- 
+    }
+
     inline void LwTraceSlowEvent(IEventHandle* ev, ui32 evTypeForTracing, const IActor* actor, ui32 poolId, ui32 activityType,
                                  const TActorId& currentRecipient, double eventMs) {
         // Event could have been destroyed by actor->Receive();
@@ -126,25 +126,25 @@ namespace NActors {
                 currentRecipient.ToString(),
                 ActorTypeName(actor, activityType));
     }
- 
+
     template <typename TMailbox>
     void TExecutorThread::Execute(TMailbox* mailbox, ui32 hint) {
         Y_VERIFY_DEBUG(DyingActors.empty());
 
         bool reclaimAsFree = false;
 
-        NHPTimer::STime hpstart = GetCycleCountFast(); 
+        NHPTimer::STime hpstart = GetCycleCountFast();
         NHPTimer::STime hpprev = hpstart;
 
-        IActor* actor = nullptr; 
+        IActor* actor = nullptr;
         ui32 prevActivityType = std::numeric_limits<ui32>::max();
-        TActorId recipient; 
-        for (ui32 executed = 0; executed < Ctx.EventsPerMailbox; ++executed) { 
+        TActorId recipient;
+        for (ui32 executed = 0; executed < Ctx.EventsPerMailbox; ++executed) {
             TAutoPtr<IEventHandle> ev(mailbox->Pop());
             if (!!ev) {
                 NHPTimer::STime hpnow;
-                recipient = ev->GetRecipientRewrite(); 
-                if (actor = mailbox->FindActor(recipient.LocalId())) { 
+                recipient = ev->GetRecipientRewrite();
+                if (actor = mailbox->FindActor(recipient.LocalId())) {
                     TActorContext ctx(*mailbox, *this, hpprev, recipient);
                     TlsActivationContext = &ctx;
 
@@ -156,16 +156,16 @@ namespace NActors {
                     CurrentActorScheduledEventsCounter = 0;
 
                     if (executed == 0) {
-                        double usec = Ctx.AddActivationStats(AtomicLoad(&mailbox->ScheduleMoment), hpprev); 
-                        if (usec > 500) { 
-                            GLOBAL_LWPROBE(ACTORLIB_PROVIDER, SlowActivation, Ctx.PoolId, usec / 1000.0); 
+                        double usec = Ctx.AddActivationStats(AtomicLoad(&mailbox->ScheduleMoment), hpprev);
+                        if (usec > 500) {
+                            GLOBAL_LWPROBE(ACTORLIB_PROVIDER, SlowActivation, Ctx.PoolId, usec / 1000.0);
                         }
-                    } 
+                    }
 
-                    i64 usecDeliv = Ctx.AddEventDeliveryStats(ev->SendTime, hpprev); 
+                    i64 usecDeliv = Ctx.AddEventDeliveryStats(ev->SendTime, hpprev);
                     if (usecDeliv > 5000) {
                         double sinceActivationMs = NHPTimer::GetSeconds(hpprev - hpstart) * 1000.0;
-                        LwTraceSlowDelivery(ev.Get(), actor, Ctx.PoolId, CurrentRecipient, NHPTimer::GetSeconds(hpprev - ev->SendTime) * 1000.0, sinceActivationMs, executed); 
+                        LwTraceSlowDelivery(ev.Get(), actor, Ctx.PoolId, CurrentRecipient, NHPTimer::GetSeconds(hpprev - ev->SendTime) * 1000.0, sinceActivationMs, executed);
                     }
 
                     ui32 evTypeForTracing = ev->Type;
@@ -179,7 +179,7 @@ namespace NActors {
                     actor->Receive(ev, ctx);
 
                     size_t dyingActorsCnt = DyingActors.size();
-                    Ctx.UpdateActorsStats(dyingActorsCnt); 
+                    Ctx.UpdateActorsStats(dyingActorsCnt);
                     if (dyingActorsCnt) {
                         DropUnregistered();
                         actor = nullptr;
@@ -188,11 +188,11 @@ namespace NActors {
                     if (mailbox->IsEmpty()) // was not-free and become free, we must reclaim mailbox
                         reclaimAsFree = true;
 
-                    hpnow = GetCycleCountFast(); 
-                    NHPTimer::STime elapsed = Ctx.AddEventProcessingStats(hpprev, hpnow, activityType, CurrentActorScheduledEventsCounter); 
-                    if (elapsed > 1000000) { 
-                        LwTraceSlowEvent(ev.Get(), evTypeForTracing, actor, Ctx.PoolId, activityType, CurrentRecipient, NHPTimer::GetSeconds(elapsed) * 1000.0); 
-                    } 
+                    hpnow = GetCycleCountFast();
+                    NHPTimer::STime elapsed = Ctx.AddEventProcessingStats(hpprev, hpnow, activityType, CurrentActorScheduledEventsCounter);
+                    if (elapsed > 1000000) {
+                        LwTraceSlowEvent(ev.Get(), evTypeForTracing, actor, Ctx.PoolId, activityType, CurrentRecipient, NHPTimer::GetSeconds(elapsed) * 1000.0);
+                    }
 
                     // The actor might have been destroyed
                     if (actor)
@@ -204,99 +204,99 @@ namespace NActors {
                     if (nonDelivered.Get()) {
                         ActorSystem->Send(nonDelivered);
                     } else {
-                        Ctx.IncrementNonDeliveredEvents(); 
+                        Ctx.IncrementNonDeliveredEvents();
                     }
-                    hpnow = GetCycleCountFast(); 
+                    hpnow = GetCycleCountFast();
                 }
 
                 hpprev = hpnow;
 
-                // Soft preemption in united pool 
-                if (Ctx.SoftDeadlineTs < (ui64)hpnow) { 
-                    AtomicStore(&mailbox->ScheduleMoment, hpnow); 
-                    Ctx.IncrementMailboxPushedOutBySoftPreemption(); 
-                    LWTRACK(MailboxPushedOutBySoftPreemption, 
-                            Ctx.Orbit, 
-                            Ctx.PoolId, 
-                            Ctx.Executor->GetName(), 
-                            executed + 1, 
-                            CyclesToDuration(hpnow - hpstart), 
-                            Ctx.WorkerId, 
-                            recipient.ToString(), 
-                            SafeTypeName(actor)); 
-                    break; 
-                } 
- 
+                // Soft preemption in united pool
+                if (Ctx.SoftDeadlineTs < (ui64)hpnow) {
+                    AtomicStore(&mailbox->ScheduleMoment, hpnow);
+                    Ctx.IncrementMailboxPushedOutBySoftPreemption();
+                    LWTRACK(MailboxPushedOutBySoftPreemption,
+                            Ctx.Orbit,
+                            Ctx.PoolId,
+                            Ctx.Executor->GetName(),
+                            executed + 1,
+                            CyclesToDuration(hpnow - hpstart),
+                            Ctx.WorkerId,
+                            recipient.ToString(),
+                            SafeTypeName(actor));
+                    break;
+                }
+
                 // time limit inside one mailbox passed, let others do some work
-                if (hpnow - hpstart > (i64)Ctx.TimePerMailboxTs) { 
-                    AtomicStore(&mailbox->ScheduleMoment, hpnow); 
-                    Ctx.IncrementMailboxPushedOutByTime(); 
-                    LWTRACK(MailboxPushedOutByTime, 
-                            Ctx.Orbit, 
-                            Ctx.PoolId, 
-                            Ctx.Executor->GetName(), 
-                            executed + 1, 
-                            CyclesToDuration(hpnow - hpstart), 
-                            Ctx.WorkerId, 
-                            recipient.ToString(), 
-                            SafeTypeName(actor)); 
+                if (hpnow - hpstart > (i64)Ctx.TimePerMailboxTs) {
+                    AtomicStore(&mailbox->ScheduleMoment, hpnow);
+                    Ctx.IncrementMailboxPushedOutByTime();
+                    LWTRACK(MailboxPushedOutByTime,
+                            Ctx.Orbit,
+                            Ctx.PoolId,
+                            Ctx.Executor->GetName(),
+                            executed + 1,
+                            CyclesToDuration(hpnow - hpstart),
+                            Ctx.WorkerId,
+                            recipient.ToString(),
+                            SafeTypeName(actor));
                     break;
                 }
 
-                if (executed + 1 == Ctx.EventsPerMailbox) { 
-                    AtomicStore(&mailbox->ScheduleMoment, hpnow); 
-                    Ctx.IncrementMailboxPushedOutByEventCount(); 
-                    LWTRACK(MailboxPushedOutByEventCount, 
-                            Ctx.Orbit, 
-                            Ctx.PoolId, 
-                            Ctx.Executor->GetName(), 
-                            executed + 1, 
-                            CyclesToDuration(hpnow - hpstart), 
-                            Ctx.WorkerId, 
-                            recipient.ToString(), 
-                            SafeTypeName(actor)); 
+                if (executed + 1 == Ctx.EventsPerMailbox) {
+                    AtomicStore(&mailbox->ScheduleMoment, hpnow);
+                    Ctx.IncrementMailboxPushedOutByEventCount();
+                    LWTRACK(MailboxPushedOutByEventCount,
+                            Ctx.Orbit,
+                            Ctx.PoolId,
+                            Ctx.Executor->GetName(),
+                            executed + 1,
+                            CyclesToDuration(hpnow - hpstart),
+                            Ctx.WorkerId,
+                            recipient.ToString(),
+                            SafeTypeName(actor));
                     break;
                 }
             } else {
                 if (executed == 0)
-                    Ctx.IncrementEmptyMailboxActivation(); 
-                LWTRACK(MailboxEmpty, 
-                        Ctx.Orbit, 
-                        Ctx.PoolId, 
-                        Ctx.Executor->GetName(), 
-                        executed, 
-                        CyclesToDuration(GetCycleCountFast() - hpstart), 
-                        Ctx.WorkerId, 
-                        recipient.ToString(), 
-                        SafeTypeName(actor)); 
+                    Ctx.IncrementEmptyMailboxActivation();
+                LWTRACK(MailboxEmpty,
+                        Ctx.Orbit,
+                        Ctx.PoolId,
+                        Ctx.Executor->GetName(),
+                        executed,
+                        CyclesToDuration(GetCycleCountFast() - hpstart),
+                        Ctx.WorkerId,
+                        recipient.ToString(),
+                        SafeTypeName(actor));
                 break; // empty queue, leave
             }
         }
 
         NProfiling::TMemoryTagScope::Reset(0);
         TlsActivationContext = nullptr;
-        UnlockFromExecution(mailbox, Ctx.Executor, reclaimAsFree, hint, Ctx.WorkerId, RevolvingWriteCounter); 
+        UnlockFromExecution(mailbox, Ctx.Executor, reclaimAsFree, hint, Ctx.WorkerId, RevolvingWriteCounter);
+    }
+
+    TThreadId TExecutorThread::GetThreadId() const {
+#ifdef _linux_
+        while (AtomicLoad(&ThreadId) == UnknownThreadId) {
+            NanoSleep(1000);
+        }
+#endif
+        return ThreadId;
     }
 
-    TThreadId TExecutorThread::GetThreadId() const { 
-#ifdef _linux_ 
-        while (AtomicLoad(&ThreadId) == UnknownThreadId) { 
-            NanoSleep(1000); 
-        } 
-#endif 
-        return ThreadId; 
-    } 
- 
     void* TExecutorThread::ThreadProc() {
-#ifdef _linux_ 
-        pid_t tid = syscall(SYS_gettid); 
-        AtomicSet(ThreadId, (ui64)tid); 
-#endif 
- 
+#ifdef _linux_
+        pid_t tid = syscall(SYS_gettid);
+        AtomicSet(ThreadId, (ui64)tid);
+#endif
+
 #ifdef BALLOC
         ThreadDisableBalloc();
 #endif
- 
+
         if (ThreadName) {
             ::SetCurrentThreadName(ThreadName);
         }
@@ -304,20 +304,20 @@ namespace NActors {
         ExecutorPool->SetRealTimeMode();
         TAffinityGuard affinity(ExecutorPool->Affinity());
 
-        NHPTimer::STime hpnow = GetCycleCountFast(); 
+        NHPTimer::STime hpnow = GetCycleCountFast();
         NHPTimer::STime hpprev = hpnow;
         ui64 execCount = 0;
         ui64 readyActivationCount = 0;
         i64 execCycles = 0;
         i64 nonExecCycles = 0;
- 
+
         for (;;) {
-            if (ui32 activation = ExecutorPool->GetReadyActivation(Ctx, ++RevolvingReadCounter)) { 
-                LWTRACK(ActivationBegin, Ctx.Orbit, Ctx.CpuId, Ctx.PoolId, Ctx.WorkerId, NHPTimer::GetSeconds(Ctx.Lease.GetPreciseExpireTs()) * 1e3); 
+            if (ui32 activation = ExecutorPool->GetReadyActivation(Ctx, ++RevolvingReadCounter)) {
+                LWTRACK(ActivationBegin, Ctx.Orbit, Ctx.CpuId, Ctx.PoolId, Ctx.WorkerId, NHPTimer::GetSeconds(Ctx.Lease.GetPreciseExpireTs()) * 1e3);
                 readyActivationCount++;
-                if (TMailboxHeader* header = Ctx.MailboxTable->Get(activation)) { 
+                if (TMailboxHeader* header = Ctx.MailboxTable->Get(activation)) {
                     if (header->LockForExecution()) {
-                        hpnow = GetCycleCountFast(); 
+                        hpnow = GetCycleCountFast();
                         nonExecCycles += hpnow - hpprev;
                         hpprev = hpnow;
                         switch (header->Type) {
@@ -337,27 +337,27 @@ namespace NActors {
                                 Execute(static_cast<TMailboxTable::TTinyReadAsFilledMailbox*>(header), activation);
                                 break;
                         }
-                        hpnow = GetCycleCountFast(); 
+                        hpnow = GetCycleCountFast();
                         execCycles += hpnow - hpprev;
                         hpprev = hpnow;
                         execCount++;
                         if (execCycles + nonExecCycles > 39000000) { // every 15 ms at 2.6GHz, so 1000 items is 15 sec (solomon interval)
-                            LWPROBE(ExecutorThreadStats, ExecutorPool->PoolId, ExecutorPool->GetName(), Ctx.WorkerId, 
+                            LWPROBE(ExecutorThreadStats, ExecutorPool->PoolId, ExecutorPool->GetName(), Ctx.WorkerId,
                                     execCount, readyActivationCount,
                                     NHPTimer::GetSeconds(execCycles) * 1000.0, NHPTimer::GetSeconds(nonExecCycles) * 1000.0);
                             execCount = 0;
                             readyActivationCount = 0;
                             execCycles = 0;
                             nonExecCycles = 0;
-                            Ctx.UpdateThreadTime(); 
+                            Ctx.UpdateThreadTime();
                         }
                     }
                 }
-                LWTRACK(ActivationEnd, Ctx.Orbit, Ctx.CpuId, Ctx.PoolId, Ctx.WorkerId); 
-                Ctx.Orbit.Reset(); 
-            } else { // no activation means PrepareStop was called so thread must terminate 
+                LWTRACK(ActivationEnd, Ctx.Orbit, Ctx.CpuId, Ctx.PoolId, Ctx.WorkerId);
+                Ctx.Orbit.Reset();
+            } else { // no activation means PrepareStop was called so thread must terminate
                 break;
-            } 
+            }
         }
         return nullptr;
     }
diff --git a/library/cpp/actors/core/executor_thread.h b/library/cpp/actors/core/executor_thread.h
index 5599c82e58..9d3c573f0d 100644
--- a/library/cpp/actors/core/executor_thread.h
+++ b/library/cpp/actors/core/executor_thread.h
@@ -5,23 +5,23 @@
 #include "actor.h"
 #include "actorsystem.h"
 #include "callstack.h"
-#include "probes.h" 
-#include "worker_context.h" 
+#include "probes.h"
+#include "worker_context.h"
+
+#include <library/cpp/actors/util/datetime.h>
 
-#include <library/cpp/actors/util/datetime.h> 
- 
 #include <util/system/thread.h>
 
 namespace NActors {
- 
+
     class TExecutorThread: public ISimpleThread {
     public:
         static constexpr TDuration DEFAULT_TIME_PER_MAILBOX =
             TDuration::MilliSeconds(10);
         static constexpr ui32 DEFAULT_EVENTS_PER_MAILBOX = 100;
 
-        TExecutorThread(TWorkerId workerId, 
-                        TWorkerId cpuId, 
+        TExecutorThread(TWorkerId workerId,
+                        TWorkerId cpuId,
                         TActorSystem* actorSystem,
                         IExecutorPool* executorPool,
                         TMailboxTable* mailboxTable,
@@ -29,16 +29,16 @@ namespace NActors {
                         TDuration timePerMailbox = DEFAULT_TIME_PER_MAILBOX,
                         ui32 eventsPerMailbox = DEFAULT_EVENTS_PER_MAILBOX);
 
-        TExecutorThread(TWorkerId workerId, 
-                        TActorSystem* actorSystem, 
-                        IExecutorPool* executorPool, 
-                        TMailboxTable* mailboxTable, 
-                        const TString& threadName, 
-                        TDuration timePerMailbox = DEFAULT_TIME_PER_MAILBOX, 
-                        ui32 eventsPerMailbox = DEFAULT_EVENTS_PER_MAILBOX) 
-            : TExecutorThread(workerId, 0, actorSystem, executorPool, mailboxTable, threadName, timePerMailbox, eventsPerMailbox) 
-        {} 
- 
+        TExecutorThread(TWorkerId workerId,
+                        TActorSystem* actorSystem,
+                        IExecutorPool* executorPool,
+                        TMailboxTable* mailboxTable,
+                        const TString& threadName,
+                        TDuration timePerMailbox = DEFAULT_TIME_PER_MAILBOX,
+                        ui32 eventsPerMailbox = DEFAULT_EVENTS_PER_MAILBOX)
+            : TExecutorThread(workerId, 0, actorSystem, executorPool, mailboxTable, threadName, timePerMailbox, eventsPerMailbox)
+        {}
+
         TActorId RegisterActor(IActor* actor, TMailboxType::EType mailboxType = TMailboxType::HTSwap, ui32 poolId = Max<ui32>(),
                                const TActorId& parentId = TActorId());
         TActorId RegisterActor(IActor* actor, TMailboxHeader* mailbox, ui32 hint, const TActorId& parentId = TActorId());
@@ -50,22 +50,22 @@ namespace NActors {
         void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie = nullptr);
         void Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie = nullptr);
 
-        bool Send(TAutoPtr<IEventHandle> ev) { 
-#ifdef USE_ACTOR_CALLSTACK 
-            ev->Callstack = TCallstack::GetTlsCallstack(); 
-            ev->Callstack.Trace(); 
+        bool Send(TAutoPtr<IEventHandle> ev) {
+#ifdef USE_ACTOR_CALLSTACK
+            ev->Callstack = TCallstack::GetTlsCallstack();
+            ev->Callstack.Trace();
 #endif
-            Ctx.IncrementSentEvents(); 
-            return ActorSystem->Send(ev); 
+            Ctx.IncrementSentEvents();
+            return ActorSystem->Send(ev);
         }
 
-        void GetCurrentStats(TExecutorThreadStats& statsCopy) const { 
-            Ctx.GetCurrentStats(statsCopy); 
+        void GetCurrentStats(TExecutorThreadStats& statsCopy) const {
+            Ctx.GetCurrentStats(statsCopy);
         }
 
-        TThreadId GetThreadId() const; // blocks, must be called after Start() 
-        TWorkerId GetWorkerId() const { return Ctx.WorkerId; } 
- 
+        TThreadId GetThreadId() const; // blocks, must be called after Start()
+        TWorkerId GetWorkerId() const { return Ctx.WorkerId; }
+
     private:
         void* ThreadProc();
 
@@ -76,37 +76,37 @@ namespace NActors {
         TActorSystem* const ActorSystem;
 
     private:
-        // Pool-specific 
+        // Pool-specific
         IExecutorPool* const ExecutorPool;
 
-        // Event-specific (currently executing) 
+        // Event-specific (currently executing)
         TVector<THolder<IActor>> DyingActors;
         TActorId CurrentRecipient;
-        ui64 CurrentActorScheduledEventsCounter = 0; 
+        ui64 CurrentActorScheduledEventsCounter = 0;
 
-        // Thread-specific 
-        TWorkerContext Ctx; 
-        ui64 RevolvingReadCounter = 0; 
-        ui64 RevolvingWriteCounter = 0; 
+        // Thread-specific
+        TWorkerContext Ctx;
+        ui64 RevolvingReadCounter = 0;
+        ui64 RevolvingWriteCounter = 0;
         const TString ThreadName;
-        volatile TThreadId ThreadId = UnknownThreadId; 
+        volatile TThreadId ThreadId = UnknownThreadId;
     };
 
     template <typename TMailbox>
-    void UnlockFromExecution(TMailbox* mailbox, IExecutorPool* executorPool, bool asFree, ui32 hint, TWorkerId workerId, ui64& revolvingWriteCounter) { 
+    void UnlockFromExecution(TMailbox* mailbox, IExecutorPool* executorPool, bool asFree, ui32 hint, TWorkerId workerId, ui64& revolvingWriteCounter) {
         mailbox->UnlockFromExecution1();
         const bool needReschedule1 = (nullptr != mailbox->Head());
         if (!asFree) {
             if (mailbox->UnlockFromExecution2(needReschedule1)) {
-                RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast()); 
+                RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast());
                 executorPool->ScheduleActivationEx(hint, ++revolvingWriteCounter);
             }
         } else {
             if (mailbox->UnlockAsFree(needReschedule1)) {
-                RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast()); 
+                RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast());
                 executorPool->ScheduleActivationEx(hint, ++revolvingWriteCounter);
             }
-            executorPool->ReclaimMailbox(TMailbox::MailboxType, hint, workerId, ++revolvingWriteCounter); 
+            executorPool->ReclaimMailbox(TMailbox::MailboxType, hint, workerId, ++revolvingWriteCounter);
         }
     }
 }
diff --git a/library/cpp/actors/core/lease.h b/library/cpp/actors/core/lease.h
index 3bde281960..650ae7b122 100644
--- a/library/cpp/actors/core/lease.h
+++ b/library/cpp/actors/core/lease.h
@@ -1,56 +1,56 @@
-#pragma once 
- 
-#include "defs.h" 
- 
-namespace NActors { 
-    // Value representing specific worker's permission for exclusive use of CPU till specific deadline 
-    struct TLease { 
-        // Lower WorkerBits store current fast worker id 
-        // All other higher bits store expiration (hard preemption) timestamp 
-        using TValue = ui64; 
-        TValue Value; 
- 
-        static constexpr ui64 WorkerIdMask = ui64((1ull << WorkerBits) - 1); 
-        static constexpr ui64 ExpireTsMask = ~WorkerIdMask; 
- 
-        explicit constexpr TLease(ui64 value) 
-            : Value(value) 
-        {} 
- 
-        constexpr TLease(TWorkerId workerId, ui64 expireTs) 
-            : Value((workerId & WorkerIdMask) | (expireTs & ExpireTsMask)) 
-        {} 
- 
-        TWorkerId GetWorkerId() const { 
-            return Value & WorkerIdMask; 
-        } 
- 
-        TLease NeverExpire() const { 
-            return TLease(Value | ExpireTsMask); 
-        } 
- 
-        bool IsNeverExpiring() const { 
-            return (Value & ExpireTsMask) == ExpireTsMask; 
-        } 
- 
-        ui64 GetExpireTs() const { 
-            // Do not truncate worker id 
-            // NOTE: it decrease accuracy, but improves performance 
-            return Value; 
-        } 
- 
-        ui64 GetPreciseExpireTs() const { 
-            return Value & ExpireTsMask; 
-        } 
- 
-        operator TValue() const { 
-            return Value; 
-        } 
-    }; 
- 
-    // Special expire timestamp values 
-    static constexpr ui64 NeverExpire = ui64(-1); 
- 
-    // Special hard-preemption-in-progress lease 
-    static constexpr TLease HardPreemptionLease = TLease(TLease::WorkerIdMask, NeverExpire); 
-} 
+#pragma once
+
+#include "defs.h"
+
+namespace NActors {
+    // Value representing specific worker's permission for exclusive use of CPU till specific deadline
+    struct TLease {
+        // Lower WorkerBits store current fast worker id
+        // All other higher bits store expiration (hard preemption) timestamp
+        using TValue = ui64;
+        TValue Value;
+
+        static constexpr ui64 WorkerIdMask = ui64((1ull << WorkerBits) - 1);
+        static constexpr ui64 ExpireTsMask = ~WorkerIdMask;
+
+        explicit constexpr TLease(ui64 value)
+            : Value(value)
+        {}
+
+        constexpr TLease(TWorkerId workerId, ui64 expireTs)
+            : Value((workerId & WorkerIdMask) | (expireTs & ExpireTsMask))
+        {}
+
+        TWorkerId GetWorkerId() const {
+            return Value & WorkerIdMask;
+        }
+
+        TLease NeverExpire() const {
+            return TLease(Value | ExpireTsMask);
+        }
+
+        bool IsNeverExpiring() const {
+            return (Value & ExpireTsMask) == ExpireTsMask;
+        }
+
+        ui64 GetExpireTs() const {
+            // Do not truncate worker id
+            // NOTE: it decrease accuracy, but improves performance
+            return Value;
+        }
+
+        ui64 GetPreciseExpireTs() const {
+            return Value & ExpireTsMask;
+        }
+
+        operator TValue() const {
+            return Value;
+        }
+    };
+
+    // Special expire timestamp values
+    static constexpr ui64 NeverExpire = ui64(-1);
+
+    // Special hard-preemption-in-progress lease
+    static constexpr TLease HardPreemptionLease = TLease(TLease::WorkerIdMask, NeverExpire);
+}
diff --git a/library/cpp/actors/core/log.cpp b/library/cpp/actors/core/log.cpp
index c05a32f020..5f63b5af58 100644
--- a/library/cpp/actors/core/log.cpp
+++ b/library/cpp/actors/core/log.cpp
@@ -311,13 +311,13 @@ namespace NActors {
 
     void TLoggerActor::RenderComponentPriorities(IOutputStream& str) {
         using namespace NLog;
-        HTML(str) { 
+        HTML(str) {
             H4() {
                 str << "Priority Settings for the Components";
             }
-            TABLE_SORTABLE_CLASS("table") { 
-                TABLEHEAD() { 
-                    TABLER() { 
+            TABLE_SORTABLE_CLASS("table") {
+                TABLEHEAD() {
+                    TABLER() {
                         TABLEH() {
                             str << "Component";
                         }
@@ -330,16 +330,16 @@ namespace NActors {
                         TABLEH() {
                             str << "Sampling Rate";
                         }
-                    } 
-                } 
-                TABLEBODY() { 
+                    }
+                }
+                TABLEBODY() {
                     for (EComponent i = Settings->MinVal; i < Settings->MaxVal; i++) {
                         auto name = Settings->ComponentName(i);
                         if (!*name)
                             continue;
                         NLog::TComponentSettings componentSettings = Settings->GetComponentSettings(i);
 
-                        TABLER() { 
+                        TABLER() {
                             TABLED() {
                                 str << "<a href='logger?c=" << i << "'>" << name << "</a>";
                             }
@@ -352,11 +352,11 @@ namespace NActors {
                             TABLED() {
                                 str << componentSettings.Raw.X.SamplingRate;
                             }
-                        } 
+                        }
                     }
-                } 
-            } 
-        } 
+                }
+            }
+        }
     }
 
     /*
@@ -412,53 +412,53 @@ namespace NActors {
         if (hasComponent && !hasPriority && !hasSamplingPriority && !hasSamplingRate) {
             NLog::TComponentSettings componentSettings = Settings->GetComponentSettings(component);
             ui32 samplingRate = componentSettings.Raw.X.SamplingRate;
-            HTML(str) { 
-                DIV_CLASS("row") { 
-                    DIV_CLASS("col-md-12") { 
+            HTML(str) {
+                DIV_CLASS("row") {
+                    DIV_CLASS("col-md-12") {
                         H4() {
                             str << "Current log settings for " << Settings->ComponentName(component) << Endl;
                         }
-                        UL() { 
-                            LI() { 
+                        UL() {
+                            LI() {
                                 str << "Priority: "
                                     << NLog::PriorityToString(NLog::EPrio(componentSettings.Raw.X.Level));
-                            } 
-                            LI() { 
+                            }
+                            LI() {
                                 str << "Sampling priority: "
                                     << NLog::PriorityToString(NLog::EPrio(componentSettings.Raw.X.SamplingLevel));
-                            } 
-                            LI() { 
+                            }
+                            LI() {
                                 str << "Sampling rate: "
                                     << samplingRate;
-                            } 
-                        } 
-                    } 
-                } 
+                            }
+                        }
+                    }
+                }
 
-                DIV_CLASS("row") { 
-                    DIV_CLASS("col-md-12") { 
+                DIV_CLASS("row") {
+                    DIV_CLASS("col-md-12") {
                         H4() {
                             str << "Change priority" << Endl;
                         }
-                        UL() { 
+                        UL() {
                             for (int p = NLog::PRI_EMERG; p <= NLog::PRI_TRACE; ++p) {
-                                LI() { 
+                                LI() {
                                     str << "<a href='logger?c=" << component << "&p=" << p << "'>"
                                         << NLog::PriorityToString(NLog::EPrio(p)) << "</a>";
-                                } 
+                                }
                             }
-                        } 
+                        }
                         H4() {
                             str << "Change sampling priority" << Endl;
                         }
-                        UL() { 
+                        UL() {
                             for (int p = NLog::PRI_EMERG; p <= NLog::PRI_TRACE; ++p) {
-                                LI() { 
+                                LI() {
                                     str << "<a href='logger?c=" << component << "&sp=" << p << "'>"
                                         << NLog::PriorityToString(NLog::EPrio(p)) << "</a>";
-                                } 
+                                }
                             }
-                        } 
+                        }
                         H4() {
                             str << "Change sampling rate" << Endl;
                         }
@@ -470,9 +470,9 @@ namespace NActors {
                         H4() {
                             str << "<a href='logger'>Cancel</a>" << Endl;
                         }
-                    } 
-                } 
-            } 
+                    }
+                }
+            }
 
         } else {
             TString explanation;
@@ -489,64 +489,64 @@ namespace NActors {
                 Settings->SetAllowDrop(allowDrop);
             }
 
-            HTML(str) { 
+            HTML(str) {
                 if (!explanation.empty()) {
-                    DIV_CLASS("row") { 
+                    DIV_CLASS("row") {
                         DIV_CLASS("col-md-12 alert alert-info") {
                             str << explanation;
                         }
-                    } 
+                    }
                 }
 
-                DIV_CLASS("row") { 
-                    DIV_CLASS("col-md-6") { 
+                DIV_CLASS("row") {
+                    DIV_CLASS("col-md-6") {
                         RenderComponentPriorities(str);
                     }
                     DIV_CLASS("col-md-6") {
                         H4() {
                             str << "Change priority for all components";
                         }
-                        TABLE_CLASS("table table-condensed") { 
-                            TABLEHEAD() { 
-                                TABLER() { 
+                        TABLE_CLASS("table table-condensed") {
+                            TABLEHEAD() {
+                                TABLER() {
                                     TABLEH() {
                                         str << "Priority";
                                     }
-                                } 
-                            } 
-                            TABLEBODY() { 
+                                }
+                            }
+                            TABLEBODY() {
                                 for (int p = NLog::PRI_EMERG; p <= NLog::PRI_TRACE; ++p) {
-                                    TABLER() { 
+                                    TABLER() {
                                         TABLED() {
                                             str << "<a href = 'logger?c=-1&p=" << p << "'>"
                                                 << NLog::PriorityToString(NLog::EPrio(p)) << "</a>";
-                                        } 
-                                    } 
+                                        }
+                                    }
                                 }
-                            } 
-                        } 
+                            }
+                        }
                         H4() {
                             str << "Change sampling priority for all components";
                         }
-                        TABLE_CLASS("table table-condensed") { 
-                            TABLEHEAD() { 
-                                TABLER() { 
+                        TABLE_CLASS("table table-condensed") {
+                            TABLEHEAD() {
+                                TABLER() {
                                     TABLEH() {
                                         str << "Priority";
                                     }
-                                } 
-                            } 
-                            TABLEBODY() { 
+                                }
+                            }
+                            TABLEBODY() {
                                 for (int p = NLog::PRI_EMERG; p <= NLog::PRI_TRACE; ++p) {
-                                    TABLER() { 
+                                    TABLER() {
                                         TABLED() {
                                             str << "<a href = 'logger?c=-1&sp=" << p << "'>"
                                                 << NLog::PriorityToString(NLog::EPrio(p)) << "</a>";
-                                        } 
-                                    } 
+                                        }
+                                    }
                                 }
-                            } 
-                        } 
+                            }
+                        }
                         H4() {
                             str << "Change sampling rate for all components";
                         }
@@ -563,27 +563,27 @@ namespace NActors {
                         str << "<input type=\"hidden\" name=\"allowdrop\" value=\"" << (Settings->AllowDrop ? "0" : "1") << "\"/>" << Endl;
                         str << "<input class=\"btn btn-primary\" type=\"submit\" value=\"" << (Settings->AllowDrop ? "Disable" : "Enable") << "\"/>" << Endl;
                         str << "</form>" << Endl;
-                    } 
-                } 
+                    }
+                }
                 Metrics->GetOutputHtml(str);
-            } 
+            }
         }
 
         ctx.Send(ev->Sender, new NMon::TEvHttpInfoRes(str.Str()));
     }
 
-    constexpr size_t TimeBufSize = 512; 
- 
+    constexpr size_t TimeBufSize = 512;
+
     bool TLoggerActor::OutputRecord(TInstant time, NLog::EPrio priority, NLog::EComponent component,
                                     const TString& formatted) noexcept try {
         const auto logPrio = ::ELogPriority(ui16(priority));
 
-        char buf[TimeBufSize]; 
+        char buf[TimeBufSize];
         switch (Settings->Format) {
             case NActors::NLog::TSettings::PLAIN_FULL_FORMAT: {
                 TStringBuilder logRecord;
                 if (Settings->UseLocalTimestamps) {
-                    logRecord << FormatLocalTimestamp(time, buf); 
+                    logRecord << FormatLocalTimestamp(time, buf);
                 } else {
                     logRecord << time;
                 }
@@ -649,12 +649,12 @@ namespace NActors {
         Become(&TThis::StateFunc);
     }
 
-    const char* TLoggerActor::FormatLocalTimestamp(TInstant time, char* buf) { 
+    const char* TLoggerActor::FormatLocalTimestamp(TInstant time, char* buf) {
         struct tm localTime;
         time.LocalTime(&localTime);
-        int r = strftime(buf, TimeBufSize, "%Y-%m-%d-%H-%M-%S", &localTime); 
-        Y_VERIFY(r != 0); 
-        return buf; 
+        int r = strftime(buf, TimeBufSize, "%Y-%m-%d-%H-%M-%S", &localTime);
+        Y_VERIFY(r != 0);
+        return buf;
     }
 
     TAutoPtr<TLogBackend> CreateSysLogBackend(const TString& ident,
diff --git a/library/cpp/actors/core/log.h b/library/cpp/actors/core/log.h
index 32a5abfed2..c11a7cf3c1 100644
--- a/library/cpp/actors/core/log.h
+++ b/library/cpp/actors/core/log.h
@@ -255,7 +255,7 @@ namespace NActors {
         void RenderComponentPriorities(IOutputStream& str);
         void LogIgnoredCount(TInstant now);
         void WriteMessageStat(const NLog::TEvLog& ev);
-        static const char* FormatLocalTimestamp(TInstant time, char* buf); 
+        static const char* FormatLocalTimestamp(TInstant time, char* buf);
     };
 
     ////////////////////////////////////////////////////////////////////////////////
diff --git a/library/cpp/actors/core/mailbox.cpp b/library/cpp/actors/core/mailbox.cpp
index 92763dbb1e..d84b4f9e46 100644
--- a/library/cpp/actors/core/mailbox.cpp
+++ b/library/cpp/actors/core/mailbox.cpp
@@ -1,8 +1,8 @@
 #include "mailbox.h"
 #include "actorsystem.h"
 
-#include <library/cpp/actors/util/datetime.h> 
- 
+#include <library/cpp/actors/util/datetime.h>
+
 #include <util/system/sanitizers.h>
 
 namespace NActors {
@@ -183,7 +183,7 @@ namespace NActors {
 #endif
                     mailbox->Queue.Push(ev.Release());
                     if (mailbox->MarkForSchedule()) {
-                        RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast()); 
+                        RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast());
                         executorPool->ScheduleActivation(hint);
                     }
                 }
@@ -207,7 +207,7 @@ namespace NActors {
 #endif
                     mailbox->QueueWriter.Push(ev.Release());
                     if (mailbox->MarkForSchedule()) {
-                        RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast()); 
+                        RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast());
                         executorPool->ScheduleActivation(hint);
                     }
                 }
@@ -219,7 +219,7 @@ namespace NActors {
 #endif
                     mailbox->Queue.Push(ev.Release());
                     if (mailbox->MarkForSchedule()) {
-                        RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast()); 
+                        RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast());
                         executorPool->ScheduleActivation(hint);
                     }
                 }
@@ -234,7 +234,7 @@ namespace NActors {
 #endif
                     mailbox->Queue.Push(ev.Release());
                     if (mailbox->MarkForSchedule()) {
-                        RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast()); 
+                        RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast());
                         executorPool->ScheduleActivation(hint);
                     }
                 }
@@ -249,7 +249,7 @@ namespace NActors {
 #endif
                     mailbox->Queue.Push(ev.Release());
                     if (mailbox->MarkForSchedule()) {
-                        RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast()); 
+                        RelaxedStore<NHPTimer::STime>(&mailbox->ScheduleMoment, GetCycleCountFast());
                         executorPool->ScheduleActivation(hint);
                     }
                 }
@@ -347,7 +347,7 @@ namespace NActors {
 
     TMailboxHeader::TMailboxHeader(TMailboxType::EType type)
         : ExecutionState(TExecutionState::Free)
-        , Reserved(0) 
+        , Reserved(0)
         , Type(type)
         , ActorPack(TMailboxActorPack::Simple)
         , Knobs(0)
diff --git a/library/cpp/actors/core/mailbox.h b/library/cpp/actors/core/mailbox.h
index 4022915e1d..0bd9c4d314 100644
--- a/library/cpp/actors/core/mailbox.h
+++ b/library/cpp/actors/core/mailbox.h
@@ -54,7 +54,7 @@ namespace NActors {
         };
 
         volatile ui32 ExecutionState;
-        ui32 Reserved : 4; // never changes, always zero 
+        ui32 Reserved : 4; // never changes, always zero
         ui32 Type : 4; // never changes
         ui32 ActorPack : 2;
         ui32 Knobs : 22;
diff --git a/library/cpp/actors/core/mon_stats.h b/library/cpp/actors/core/mon_stats.h
index e2db1e32e6..d55552af0c 100644
--- a/library/cpp/actors/core/mon_stats.h
+++ b/library/cpp/actors/core/mon_stats.h
@@ -63,15 +63,15 @@ namespace NActors {
     };
 
     struct TExecutorThreadStats {
-        ui64 SentEvents = 0; 
-        ui64 ReceivedEvents = 0; 
-        ui64 PreemptedEvents = 0; // Number of events experienced hard preemption 
-        ui64 NonDeliveredEvents = 0; 
-        ui64 EmptyMailboxActivation = 0; 
-        ui64 CpuNs = 0; // nanoseconds thread was executing on CPU (accounts for preemtion) 
-        NHPTimer::STime ElapsedTicks = 0; 
-        NHPTimer::STime ParkedTicks = 0; 
-        NHPTimer::STime BlockedTicks = 0; 
+        ui64 SentEvents = 0;
+        ui64 ReceivedEvents = 0;
+        ui64 PreemptedEvents = 0; // Number of events experienced hard preemption
+        ui64 NonDeliveredEvents = 0;
+        ui64 EmptyMailboxActivation = 0;
+        ui64 CpuNs = 0; // nanoseconds thread was executing on CPU (accounts for preemtion)
+        NHPTimer::STime ElapsedTicks = 0;
+        NHPTimer::STime ParkedTicks = 0;
+        NHPTimer::STime BlockedTicks = 0;
         TLogHistogram ActivationTimeHistogram;
         TLogHistogram EventDeliveryTimeHistogram;
         TLogHistogram EventProcessingCountHistogram;
@@ -80,19 +80,19 @@ namespace NActors {
         TVector<ui64> ReceivedEventsByActivity;
         TVector<i64> ActorsAliveByActivity; // the sum should be positive, but per-thread might be negative
         TVector<ui64> ScheduledEventsByActivity;
-        ui64 PoolActorRegistrations = 0; 
-        ui64 PoolDestroyedActors = 0; 
-        ui64 PoolAllocatedMailboxes = 0; 
-        ui64 MailboxPushedOutBySoftPreemption = 0; 
-        ui64 MailboxPushedOutByTime = 0; 
-        ui64 MailboxPushedOutByEventCount = 0; 
+        ui64 PoolActorRegistrations = 0;
+        ui64 PoolDestroyedActors = 0;
+        ui64 PoolAllocatedMailboxes = 0;
+        ui64 MailboxPushedOutBySoftPreemption = 0;
+        ui64 MailboxPushedOutByTime = 0;
+        ui64 MailboxPushedOutByEventCount = 0;
 
         TExecutorThreadStats(size_t activityVecSize = 1) // must be not empty as 0 used as default
-            : ElapsedTicksByActivity(activityVecSize) 
+            : ElapsedTicksByActivity(activityVecSize)
             , ReceivedEventsByActivity(activityVecSize)
             , ActorsAliveByActivity(activityVecSize)
             , ScheduledEventsByActivity(activityVecSize)
-        {} 
+        {}
 
         template <typename T>
         static void AggregateOne(TVector<T>& self, const TVector<T>& other) {
@@ -107,14 +107,14 @@ namespace NActors {
         void Aggregate(const TExecutorThreadStats& other) {
             SentEvents += RelaxedLoad(&other.SentEvents);
             ReceivedEvents += RelaxedLoad(&other.ReceivedEvents);
-            PreemptedEvents += RelaxedLoad(&other.PreemptedEvents); 
+            PreemptedEvents += RelaxedLoad(&other.PreemptedEvents);
             NonDeliveredEvents += RelaxedLoad(&other.NonDeliveredEvents);
             EmptyMailboxActivation += RelaxedLoad(&other.EmptyMailboxActivation);
-            CpuNs += RelaxedLoad(&other.CpuNs); 
+            CpuNs += RelaxedLoad(&other.CpuNs);
             ElapsedTicks += RelaxedLoad(&other.ElapsedTicks);
             ParkedTicks += RelaxedLoad(&other.ParkedTicks);
             BlockedTicks += RelaxedLoad(&other.BlockedTicks);
-            MailboxPushedOutBySoftPreemption += RelaxedLoad(&other.MailboxPushedOutBySoftPreemption); 
+            MailboxPushedOutBySoftPreemption += RelaxedLoad(&other.MailboxPushedOutBySoftPreemption);
             MailboxPushedOutByTime += RelaxedLoad(&other.MailboxPushedOutByTime);
             MailboxPushedOutByEventCount += RelaxedLoad(&other.MailboxPushedOutByEventCount);
 
diff --git a/library/cpp/actors/core/probes.cpp b/library/cpp/actors/core/probes.cpp
index 0a9b256f70..7ace83e102 100644
--- a/library/cpp/actors/core/probes.cpp
+++ b/library/cpp/actors/core/probes.cpp
@@ -1,28 +1,28 @@
 #include "probes.h"
 
-#include "actorsystem.h" 
- 
-#include <util/string/builder.h> 
- 
+#include "actorsystem.h"
+
+#include <util/string/builder.h>
+
 LWTRACE_DEFINE_PROVIDER(ACTORLIB_PROVIDER);
- 
-namespace NActors { 
-    TVector<NLWTrace::TDashboard> LWTraceDashboards(TActorSystemSetup* setup) { 
-        TVector<NLWTrace::TDashboard> result; 
- 
-        NLWTrace::TDashboard slowDash; 
-        ui32 pools = setup->GetExecutorsCount(); 
-        size_t top = 30; 
-        slowDash.SetName("ActorSystem slow events"); 
-        slowDash.SetDescription(TStringBuilder() << "TOP" << top << " slow event executions >1M cycles for every pool (refresh page to update)"); 
-        for (ui32 pool = 0; pool < pools; pool++) { 
-            auto* row = slowDash.AddRows(); 
-            auto* cell = row->AddCells(); 
-            cell->SetTitle(TStringBuilder() << pool << ":" << setup->GetPoolName(pool)); 
-            cell->SetUrl(TStringBuilder() << "?mode=log&id=.ACTORLIB_PROVIDER.SlowEvent.ppoolId=" << pool << "&s=eventMs&reverse=y&head=30"); 
-        } 
-        result.push_back(slowDash); 
- 
-        return result; 
-    } 
-} 
+
+namespace NActors {
+    TVector<NLWTrace::TDashboard> LWTraceDashboards(TActorSystemSetup* setup) {
+        TVector<NLWTrace::TDashboard> result;
+
+        NLWTrace::TDashboard slowDash;
+        ui32 pools = setup->GetExecutorsCount();
+        size_t top = 30;
+        slowDash.SetName("ActorSystem slow events");
+        slowDash.SetDescription(TStringBuilder() << "TOP" << top << " slow event executions >1M cycles for every pool (refresh page to update)");
+        for (ui32 pool = 0; pool < pools; pool++) {
+            auto* row = slowDash.AddRows();
+            auto* cell = row->AddCells();
+            cell->SetTitle(TStringBuilder() << pool << ":" << setup->GetPoolName(pool));
+            cell->SetUrl(TStringBuilder() << "?mode=log&id=.ACTORLIB_PROVIDER.SlowEvent.ppoolId=" << pool << "&s=eventMs&reverse=y&head=30");
+        }
+        result.push_back(slowDash);
+
+        return result;
+    }
+}
diff --git a/library/cpp/actors/core/probes.h b/library/cpp/actors/core/probes.h
index 0733cd010d..4912d6dd26 100644
--- a/library/cpp/actors/core/probes.h
+++ b/library/cpp/actors/core/probes.h
@@ -1,12 +1,12 @@
 #pragma once
 
 #include <library/cpp/lwtrace/all.h>
-#include <util/generic/vector.h> 
+#include <util/generic/vector.h>
+
+#define LWACTORID(x) (x).RawX1(), (x).RawX2(), (x).NodeId(), (x).PoolID()
+#define LWTYPE_ACTORID ui64, ui64, ui32, ui32
+#define LWNAME_ACTORID(n) n "Raw1", n "Raw2", n "NodeId", n "PoolId"
 
-#define LWACTORID(x) (x).RawX1(), (x).RawX2(), (x).NodeId(), (x).PoolID() 
-#define LWTYPE_ACTORID ui64, ui64, ui32, ui32 
-#define LWNAME_ACTORID(n) n "Raw1", n "Raw2", n "NodeId", n "PoolId" 
- 
 #define ACTORLIB_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)                                                                         \
     PROBE(SlowEvent, GROUPS("ActorLibSlow"),                                                                                          \
           TYPES(ui32, double, TString, TString, TString),                                                                             \
@@ -23,27 +23,27 @@
     PROBE(SlowRegisterAdd, GROUPS("ActorLibSlow"),                                                                                    \
           TYPES(ui32, double),                                                                                                        \
           NAMES("poolId", "registerAddMs"))                                                                                           \
-    PROBE(MailboxPushedOutBySoftPreemption, GROUPS("ActorLibMailbox", "ActorLibMailboxPushedOut"),                                    \ 
-          TYPES(ui32, TString, ui32, TDuration, ui64, TString, TString),                                                              \ 
-          NAMES("poolId", "pool", "eventsProcessed", "procTimeMs", "workerId", "actorId", "actorType"))                               \ 
-    PROBE(MailboxPushedOutByTime, GROUPS("ActorLibMailbox", "ActorLibMailboxPushedOut"),                                              \ 
-          TYPES(ui32, TString, ui32, TDuration, ui64, TString, TString),                                                              \ 
-          NAMES("poolId", "pool", "eventsProcessed", "procTimeMs", "workerId", "actorId", "actorType"))                               \ 
-    PROBE(MailboxPushedOutByEventCount, GROUPS("ActorLibMailbox", "ActorLibMailboxPushedOut"),                                        \ 
-          TYPES(ui32, TString, ui32, TDuration, ui64, TString, TString),                                                              \ 
-          NAMES("poolId", "pool", "eventsProcessed", "procTimeMs", "workerId", "actorId", "actorType"))                               \ 
-    PROBE(MailboxEmpty, GROUPS("ActorLibMailbox"),                                                                                    \ 
-          TYPES(ui32, TString, ui32, TDuration, ui64, TString, TString),                                                              \ 
-          NAMES("poolId", "pool", "eventsProcessed", "procTimeMs", "workerId", "actorId", "actorType"))                               \ 
-    PROBE(ActivationBegin, GROUPS(),                                                                                                  \ 
-          TYPES(ui32, ui32, ui32, double),                                                                                            \ 
-          NAMES("cpu", "poolId", "workerId", "expireMs"))                                                                             \ 
-    PROBE(ActivationEnd, GROUPS(),                                                                                                    \ 
-          TYPES(ui32, ui32, ui32),                                                                                                    \ 
-          NAMES("cpu", "poolId", "workerId"))                                                                                         \ 
+    PROBE(MailboxPushedOutBySoftPreemption, GROUPS("ActorLibMailbox", "ActorLibMailboxPushedOut"),                                    \
+          TYPES(ui32, TString, ui32, TDuration, ui64, TString, TString),                                                              \
+          NAMES("poolId", "pool", "eventsProcessed", "procTimeMs", "workerId", "actorId", "actorType"))                               \
+    PROBE(MailboxPushedOutByTime, GROUPS("ActorLibMailbox", "ActorLibMailboxPushedOut"),                                              \
+          TYPES(ui32, TString, ui32, TDuration, ui64, TString, TString),                                                              \
+          NAMES("poolId", "pool", "eventsProcessed", "procTimeMs", "workerId", "actorId", "actorType"))                               \
+    PROBE(MailboxPushedOutByEventCount, GROUPS("ActorLibMailbox", "ActorLibMailboxPushedOut"),                                        \
+          TYPES(ui32, TString, ui32, TDuration, ui64, TString, TString),                                                              \
+          NAMES("poolId", "pool", "eventsProcessed", "procTimeMs", "workerId", "actorId", "actorType"))                               \
+    PROBE(MailboxEmpty, GROUPS("ActorLibMailbox"),                                                                                    \
+          TYPES(ui32, TString, ui32, TDuration, ui64, TString, TString),                                                              \
+          NAMES("poolId", "pool", "eventsProcessed", "procTimeMs", "workerId", "actorId", "actorType"))                               \
+    PROBE(ActivationBegin, GROUPS(),                                                                                                  \
+          TYPES(ui32, ui32, ui32, double),                                                                                            \
+          NAMES("cpu", "poolId", "workerId", "expireMs"))                                                                             \
+    PROBE(ActivationEnd, GROUPS(),                                                                                                    \
+          TYPES(ui32, ui32, ui32),                                                                                                    \
+          NAMES("cpu", "poolId", "workerId"))                                                                                         \
     PROBE(ExecutorThreadStats, GROUPS("ActorLibStats"),                                                                               \
-          TYPES(ui32, TString, ui64, ui64, ui64, double, double),                                                                     \ 
-          NAMES("poolId", "pool", "workerId", "execCount", "readyActivationCount", "execMs", "nonExecMs"))                            \ 
+          TYPES(ui32, TString, ui64, ui64, ui64, double, double),                                                                     \
+          NAMES("poolId", "pool", "workerId", "execCount", "readyActivationCount", "execMs", "nonExecMs"))                            \
     PROBE(SlowICReadLoopAdjustSize, GROUPS("ActorLibSlowIC"),                                                                         \
           TYPES(double),                                                                                                              \
           NAMES("icReadLoopAdjustSizeMs"))                                                                                            \
@@ -75,102 +75,102 @@
           TYPES(ui64, ui64, ui32, ui32, ui64, ui64),                                                                                  \
           NAMES("timeUs", "timerfd_expirations", "eventsGottenFromQueues", "eventsSent",                                              \
                 "eventsInSendQueue", "eventSchedulingErrorUs"))                                                                       \
-    PROBE(ForwardEvent, GROUPS("Orbit", "InterconnectSessionTCP"),                                                                    \ 
-          TYPES(ui32, ui32, ui32, LWTYPE_ACTORID, LWTYPE_ACTORID, ui64, ui32),                                                        \ 
-          NAMES("peerId", "type", "flags", LWNAME_ACTORID("r"), LWNAME_ACTORID("s"),                                                  \ 
-                "cookie", "eventSerializedSize"))                                                                                     \ 
-    PROBE(EnqueueEvent, GROUPS("InterconnectSessionTCP"),                                                                             \ 
-          TYPES(ui32, ui64, TDuration, ui16, ui64, ui64),                                                                             \ 
-          NAMES("peerId", "numEventsInReadyChannels", "enqueueBlockedTotalMs", "channelId", "queueSizeInEvents", "queueSizeInBytes")) \ 
-    PROBE(SerializeToPacketBegin, GROUPS("InterconnectSessionTCP"),                                                                   \ 
-          TYPES(ui32, ui16, ui64),                                                                                                    \ 
-          NAMES("peerId", "channelId", "outputQueueSize"))                                                                            \ 
-    PROBE(SerializeToPacketEnd, GROUPS("InterconnectSessionTCP"),                                                                     \ 
-          TYPES(ui32, ui16, ui64, ui64),                                                                                              \ 
-          NAMES("peerId", "channelId", "outputQueueSize", "offsetInPacket"))                                                          \ 
-    PROBE(FillSendingBuffer, GROUPS("InterconnectSessionTCP"),                                                                        \ 
-          TYPES(ui32, ui32, ui64, TDuration),                                                                                         \ 
-          NAMES("peerId", "taskBytesGenerated", "numEventsInReadyChannelsBehind", "fillBlockedTotalMs"))                              \ 
-    PROBE(PacketGenerated, GROUPS("InterconnectSessionTCP"),                                                                          \ 
-          TYPES(ui32, ui64, ui64, ui64, ui64),                                                                                        \ 
-          NAMES("peerId", "bytesUnwritten", "inflightBytes", "packetsGenerated", "packetSize"))                                       \ 
-    PROBE(PacketWrittenToSocket, GROUPS("InterconnectSessionTCP"),                                                                    \ 
-          TYPES(ui32, ui64, bool, ui64, ui64, TDuration, int),                                                                        \ 
-          NAMES("peerId", "packetsWrittenToSocket", "triedWriting", "packetDataSize", "bytesUnwritten", "writeBlockedTotalMs", "fd")) \ 
-    PROBE(GenerateTraffic, GROUPS("InterconnectSessionTCP"),                                                                          \ 
-          TYPES(ui32, double, ui64, ui32, ui64),                                                                                      \ 
-          NAMES("peerId", "generateTrafficMs", "dataBytesSent", "generatedPackets", "generatedBytes"))                                \ 
-    PROBE(WriteToSocket, GROUPS("InterconnectSessionTCP"),                                                                            \ 
-          TYPES(ui32, ui64, ui64, ui64, ui64, TDuration, int),                                                                        \ 
-          NAMES("peerId", "bytesWritten", "packetsWritten", "packetsWrittenToSocket", "bytesUnwritten", "writeBlockedTotalMs", "fd")) \ 
-    PROBE(UpdateFromInputSession, GROUPS("InterconnectSessionTCP"),                                                                   \ 
-          TYPES(ui32, double),                                                                                                        \ 
-          NAMES("peerId", "pingMs"))                                                                                                  \ 
-    PROBE(UnblockByDropConfirmed, GROUPS("InterconnectSessionTCP"),                                                                   \ 
-          TYPES(ui32, double),                                                                                                        \ 
-          NAMES("peerId", "updateDeliveryMs"))                                                                                        \ 
-    PROBE(DropConfirmed, GROUPS("InterconnectSessionTCP"),                                                                            \ 
-          TYPES(ui32, ui64, ui64),                                                                                                    \ 
-          NAMES("peerId", "droppedBytes", "inflightBytes"))                                                                           \ 
-    PROBE(StartRam, GROUPS("InterconnectSessionTCP"),                                                                                 \ 
-          TYPES(ui32),                                                                                                                \ 
-          NAMES("peerId"))                                                                                                            \ 
-    PROBE(FinishRam, GROUPS("InterconnectSessionTCP"),                                                                                \ 
-          TYPES(ui32, double),                                                                                                        \ 
-          NAMES("peerId", "ramMs"))                                                                                                   \ 
-    PROBE(SkipGenerateTraffic, GROUPS("InterconnectSessionTCP"),                                                                      \ 
-          TYPES(ui32, double),                                                                                                        \ 
-          NAMES("peerId", "elapsedSinceRamMs"))                                                                                       \ 
-    PROBE(StartBatching, GROUPS("InterconnectSessionTCP"),                                                                            \ 
-          TYPES(ui32, double),                                                                                                        \ 
-          NAMES("peerId", "batchPeriodMs"))                                                                                           \ 
-    PROBE(FinishBatching, GROUPS("InterconnectSessionTCP"),                                                                           \ 
-          TYPES(ui32, double),                                                                                                        \ 
-          NAMES("peerId", "finishBatchDeliveryMs"))                                                                                   \ 
-    PROBE(BlockedWrite, GROUPS("InterconnectSessionTCP"),                                                                             \ 
-          TYPES(ui32, double, ui64),                                                                                                  \ 
-          NAMES("peerId", "sendQueueSize", "writtenBytes"))                                                                           \ 
-    PROBE(ReadyWrite, GROUPS("InterconnectSessionTCP"),                                                                               \ 
-          TYPES(ui32, double, double),                                                                                                \ 
-          NAMES("peerId", "readyWriteDeliveryMs", "blockMs"))                                                                         \ 
-    PROBE(EpollStartWaitIn, GROUPS("EpollThread"),                                                                                    \ 
-          TYPES(),                                                                                                                    \ 
-          NAMES())                                                                                                                    \ 
-    PROBE(EpollFinishWaitIn, GROUPS("EpollThread"),                                                                                   \ 
-          TYPES(i32),                                                                                                                 \ 
-          NAMES("eventsCount"))                                                                                                       \ 
-    PROBE(EpollWaitOut, GROUPS("EpollThread"),                                                                                        \ 
-          TYPES(i32),                                                                                                                 \ 
-          NAMES("eventsCount"))                                                                                                       \ 
-    PROBE(EpollSendReadyRead, GROUPS("EpollThread"),                                                                                  \ 
-          TYPES(bool, bool, int),                                                                                                     \ 
-          NAMES("hangup", "event", "fd"))                                                                                             \ 
-    PROBE(EpollSendReadyWrite, GROUPS("EpollThread"),                                                                                 \ 
-          TYPES(bool, bool, int),                                                                                                     \ 
-          NAMES("hangup", "event", "fd"))                                                                                             \ 
-    PROBE(HardPreemption, GROUPS("UnitedWorker"),                                                                                     \ 
-          TYPES(ui32, ui32, ui32, ui32),                                                                                              \ 
-          NAMES("cpu", "prevPoolId", "prevWorkerId", "nextWorkerId"))                                                                 \ 
-    PROBE(SetPreemptionTimer, GROUPS("UnitedWorker", "PreemptionTimer"),                                                              \ 
-          TYPES(ui32, ui32, int, double, double),                                                                                     \ 
-          NAMES("cpu", "workerId", "fd", "nowMs", "preemptMs"))                                                                       \ 
-    PROBE(ResetPreemptionTimer, GROUPS("UnitedWorker", "PreemptionTimer"),                                                            \ 
-          TYPES(ui32, ui32, int, double, double),                                                                                     \ 
-          NAMES("cpu", "workerId", "fd", "nowMs", "preemptMs"))                                                                       \ 
-    PROBE(SlowWorkerActionRace, GROUPS("UnitedWorker"),                                                                               \ 
-          TYPES(ui32, ui32, ui64),                                                                                                    \ 
-          NAMES("cpu", "poolId", "slowPoolsMask"))                                                                                    \ 
-    PROBE(PoolStats, GROUPS("PoolCpuBalancer"),                                                                                       \ 
-          TYPES(ui32, TString, ui64, ui8, ui8, double, double, double, ui64, ui64, ui64),                                             \ 
-          NAMES("poolId", "pool", "currentCpus", "loadClass", "priority", "scaleFactor", "cpuIdle", "cpuLoad", "importance", "addImportance", "subImportance")) \ 
-    PROBE(MoveCpu, GROUPS("PoolCpuBalancer"),                                                                                         \ 
-          TYPES(ui32, ui64, TString, TString, ui32),                                                                                  \ 
-          NAMES("fromPoolId", "toPoolId", "fromPool", "toPool", "cpu"))                                                               \ 
+    PROBE(ForwardEvent, GROUPS("Orbit", "InterconnectSessionTCP"),                                                                    \
+          TYPES(ui32, ui32, ui32, LWTYPE_ACTORID, LWTYPE_ACTORID, ui64, ui32),                                                        \
+          NAMES("peerId", "type", "flags", LWNAME_ACTORID("r"), LWNAME_ACTORID("s"),                                                  \
+                "cookie", "eventSerializedSize"))                                                                                     \
+    PROBE(EnqueueEvent, GROUPS("InterconnectSessionTCP"),                                                                             \
+          TYPES(ui32, ui64, TDuration, ui16, ui64, ui64),                                                                             \
+          NAMES("peerId", "numEventsInReadyChannels", "enqueueBlockedTotalMs", "channelId", "queueSizeInEvents", "queueSizeInBytes")) \
+    PROBE(SerializeToPacketBegin, GROUPS("InterconnectSessionTCP"),                                                                   \
+          TYPES(ui32, ui16, ui64),                                                                                                    \
+          NAMES("peerId", "channelId", "outputQueueSize"))                                                                            \
+    PROBE(SerializeToPacketEnd, GROUPS("InterconnectSessionTCP"),                                                                     \
+          TYPES(ui32, ui16, ui64, ui64),                                                                                              \
+          NAMES("peerId", "channelId", "outputQueueSize", "offsetInPacket"))                                                          \
+    PROBE(FillSendingBuffer, GROUPS("InterconnectSessionTCP"),                                                                        \
+          TYPES(ui32, ui32, ui64, TDuration),                                                                                         \
+          NAMES("peerId", "taskBytesGenerated", "numEventsInReadyChannelsBehind", "fillBlockedTotalMs"))                              \
+    PROBE(PacketGenerated, GROUPS("InterconnectSessionTCP"),                                                                          \
+          TYPES(ui32, ui64, ui64, ui64, ui64),                                                                                        \
+          NAMES("peerId", "bytesUnwritten", "inflightBytes", "packetsGenerated", "packetSize"))                                       \
+    PROBE(PacketWrittenToSocket, GROUPS("InterconnectSessionTCP"),                                                                    \
+          TYPES(ui32, ui64, bool, ui64, ui64, TDuration, int),                                                                        \
+          NAMES("peerId", "packetsWrittenToSocket", "triedWriting", "packetDataSize", "bytesUnwritten", "writeBlockedTotalMs", "fd")) \
+    PROBE(GenerateTraffic, GROUPS("InterconnectSessionTCP"),                                                                          \
+          TYPES(ui32, double, ui64, ui32, ui64),                                                                                      \
+          NAMES("peerId", "generateTrafficMs", "dataBytesSent", "generatedPackets", "generatedBytes"))                                \
+    PROBE(WriteToSocket, GROUPS("InterconnectSessionTCP"),                                                                            \
+          TYPES(ui32, ui64, ui64, ui64, ui64, TDuration, int),                                                                        \
+          NAMES("peerId", "bytesWritten", "packetsWritten", "packetsWrittenToSocket", "bytesUnwritten", "writeBlockedTotalMs", "fd")) \
+    PROBE(UpdateFromInputSession, GROUPS("InterconnectSessionTCP"),                                                                   \
+          TYPES(ui32, double),                                                                                                        \
+          NAMES("peerId", "pingMs"))                                                                                                  \
+    PROBE(UnblockByDropConfirmed, GROUPS("InterconnectSessionTCP"),                                                                   \
+          TYPES(ui32, double),                                                                                                        \
+          NAMES("peerId", "updateDeliveryMs"))                                                                                        \
+    PROBE(DropConfirmed, GROUPS("InterconnectSessionTCP"),                                                                            \
+          TYPES(ui32, ui64, ui64),                                                                                                    \
+          NAMES("peerId", "droppedBytes", "inflightBytes"))                                                                           \
+    PROBE(StartRam, GROUPS("InterconnectSessionTCP"),                                                                                 \
+          TYPES(ui32),                                                                                                                \
+          NAMES("peerId"))                                                                                                            \
+    PROBE(FinishRam, GROUPS("InterconnectSessionTCP"),                                                                                \
+          TYPES(ui32, double),                                                                                                        \
+          NAMES("peerId", "ramMs"))                                                                                                   \
+    PROBE(SkipGenerateTraffic, GROUPS("InterconnectSessionTCP"),                                                                      \
+          TYPES(ui32, double),                                                                                                        \
+          NAMES("peerId", "elapsedSinceRamMs"))                                                                                       \
+    PROBE(StartBatching, GROUPS("InterconnectSessionTCP"),                                                                            \
+          TYPES(ui32, double),                                                                                                        \
+          NAMES("peerId", "batchPeriodMs"))                                                                                           \
+    PROBE(FinishBatching, GROUPS("InterconnectSessionTCP"),                                                                           \
+          TYPES(ui32, double),                                                                                                        \
+          NAMES("peerId", "finishBatchDeliveryMs"))                                                                                   \
+    PROBE(BlockedWrite, GROUPS("InterconnectSessionTCP"),                                                                             \
+          TYPES(ui32, double, ui64),                                                                                                  \
+          NAMES("peerId", "sendQueueSize", "writtenBytes"))                                                                           \
+    PROBE(ReadyWrite, GROUPS("InterconnectSessionTCP"),                                                                               \
+          TYPES(ui32, double, double),                                                                                                \
+          NAMES("peerId", "readyWriteDeliveryMs", "blockMs"))                                                                         \
+    PROBE(EpollStartWaitIn, GROUPS("EpollThread"),                                                                                    \
+          TYPES(),                                                                                                                    \
+          NAMES())                                                                                                                    \
+    PROBE(EpollFinishWaitIn, GROUPS("EpollThread"),                                                                                   \
+          TYPES(i32),                                                                                                                 \
+          NAMES("eventsCount"))                                                                                                       \
+    PROBE(EpollWaitOut, GROUPS("EpollThread"),                                                                                        \
+          TYPES(i32),                                                                                                                 \
+          NAMES("eventsCount"))                                                                                                       \
+    PROBE(EpollSendReadyRead, GROUPS("EpollThread"),                                                                                  \
+          TYPES(bool, bool, int),                                                                                                     \
+          NAMES("hangup", "event", "fd"))                                                                                             \
+    PROBE(EpollSendReadyWrite, GROUPS("EpollThread"),                                                                                 \
+          TYPES(bool, bool, int),                                                                                                     \
+          NAMES("hangup", "event", "fd"))                                                                                             \
+    PROBE(HardPreemption, GROUPS("UnitedWorker"),                                                                                     \
+          TYPES(ui32, ui32, ui32, ui32),                                                                                              \
+          NAMES("cpu", "prevPoolId", "prevWorkerId", "nextWorkerId"))                                                                 \
+    PROBE(SetPreemptionTimer, GROUPS("UnitedWorker", "PreemptionTimer"),                                                              \
+          TYPES(ui32, ui32, int, double, double),                                                                                     \
+          NAMES("cpu", "workerId", "fd", "nowMs", "preemptMs"))                                                                       \
+    PROBE(ResetPreemptionTimer, GROUPS("UnitedWorker", "PreemptionTimer"),                                                            \
+          TYPES(ui32, ui32, int, double, double),                                                                                     \
+          NAMES("cpu", "workerId", "fd", "nowMs", "preemptMs"))                                                                       \
+    PROBE(SlowWorkerActionRace, GROUPS("UnitedWorker"),                                                                               \
+          TYPES(ui32, ui32, ui64),                                                                                                    \
+          NAMES("cpu", "poolId", "slowPoolsMask"))                                                                                    \
+    PROBE(PoolStats, GROUPS("PoolCpuBalancer"),                                                                                       \
+          TYPES(ui32, TString, ui64, ui8, ui8, double, double, double, ui64, ui64, ui64),                                             \
+          NAMES("poolId", "pool", "currentCpus", "loadClass", "priority", "scaleFactor", "cpuIdle", "cpuLoad", "importance", "addImportance", "subImportance")) \
+    PROBE(MoveCpu, GROUPS("PoolCpuBalancer"),                                                                                         \
+          TYPES(ui32, ui64, TString, TString, ui32),                                                                                  \
+          NAMES("fromPoolId", "toPoolId", "fromPool", "toPool", "cpu"))                                                               \
     /**/
 
 LWTRACE_DECLARE_PROVIDER(ACTORLIB_PROVIDER)
- 
-namespace NActors { 
-    struct TActorSystemSetup; 
-    TVector<NLWTrace::TDashboard> LWTraceDashboards(TActorSystemSetup* setup); 
-} 
+
+namespace NActors {
+    struct TActorSystemSetup;
+    TVector<NLWTrace::TDashboard> LWTraceDashboards(TActorSystemSetup* setup);
+}
diff --git a/library/cpp/actors/core/scheduler_actor.cpp b/library/cpp/actors/core/scheduler_actor.cpp
index 7e38a41e30..febc5e40dd 100644
--- a/library/cpp/actors/core/scheduler_actor.cpp
+++ b/library/cpp/actors/core/scheduler_actor.cpp
@@ -116,11 +116,11 @@ namespace NActors {
 
         void TryUpdateTime(NHPTimer::STime* lastTimeUpdate) {
             NHPTimer::STime hpnow;
-            GetTimeFast(&hpnow); 
+            GetTimeFast(&hpnow);
             const ui64 elapsedCycles = hpnow > *lastTimeUpdate ? hpnow - *lastTimeUpdate : 0;
             if (elapsedCycles > Cfg.ResolutionMicroseconds * (NHPTimer::GetCyclesPerSecond() / IntrasecondThreshold)) {
                 UpdateTime();
-                GetTimeFast(lastTimeUpdate); 
+                GetTimeFast(lastTimeUpdate);
             }
         }
 
diff --git a/library/cpp/actors/core/scheduler_basic.cpp b/library/cpp/actors/core/scheduler_basic.cpp
index 715cfb787d..fba200e16b 100644
--- a/library/cpp/actors/core/scheduler_basic.cpp
+++ b/library/cpp/actors/core/scheduler_basic.cpp
@@ -1,9 +1,9 @@
 #include "scheduler_basic.h"
 #include "scheduler_queue.h"
 
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 #include <library/cpp/actors/util/thread.h>
- 
+
 #ifdef BALLOC
 #include <library/cpp/balloc/optional/operators.h>
 #endif
@@ -61,7 +61,7 @@ namespace NActors {
         ui64 activeTick = AlignUp<ui64>(throttledMonotonic, IntrasecondThreshold);
         TAutoPtr<TMomentMap> activeSec;
 
-        NHPTimer::STime hpprev = GetCycleCountFast(); 
+        NHPTimer::STime hpprev = GetCycleCountFast();
         ui64 nextTimestamp = TInstant::Now().MicroSeconds();
         ui64 nextMonotonic = Max(currentMonotonic, GetMonotonicMicroSeconds());
 
@@ -170,7 +170,7 @@ namespace NActors {
                 }
             }
 
-            NHPTimer::STime hpnow = GetCycleCountFast(); 
+            NHPTimer::STime hpnow = GetCycleCountFast();
 
             if (MonCounters) {
                 *MonCounters->QueueSize -= eventsSent + eventsDropped;
@@ -202,7 +202,7 @@ namespace NActors {
                 NanoSleep(delta * 1000); // ok, looks like we should sleep a bit.
 
                 // Don't count sleep in elapsed microseconds
-                hpprev = GetCycleCountFast(); 
+                hpprev = GetCycleCountFast();
                 nextTimestamp = TInstant::Now().MicroSeconds();
                 nextMonotonic = Max(currentMonotonic, GetMonotonicMicroSeconds());
             }
@@ -218,7 +218,7 @@ namespace NActors {
         *CurrentMonotonic = GetMonotonicMicroSeconds();
     }
 
-    void TBasicSchedulerThread::PrepareSchedules(NSchedulerQueue::TReader** readers, ui32 scheduleReadersCount) { 
+    void TBasicSchedulerThread::PrepareSchedules(NSchedulerQueue::TReader** readers, ui32 scheduleReadersCount) {
         Y_VERIFY(scheduleReadersCount > 0);
         TotalReaders = scheduleReadersCount;
         Readers.Reset(new NSchedulerQueue::TReader*[scheduleReadersCount]);
diff --git a/library/cpp/actors/core/scheduler_basic.h b/library/cpp/actors/core/scheduler_basic.h
index 16a5b005bd..2ccde39235 100644
--- a/library/cpp/actors/core/scheduler_basic.h
+++ b/library/cpp/actors/core/scheduler_basic.h
@@ -42,7 +42,7 @@ namespace NActors {
         ~TBasicSchedulerThread();
 
         void Prepare(TActorSystem* actorSystem, volatile ui64* currentTimestamp, volatile ui64* currentMonotonic) override;
-        void PrepareSchedules(NSchedulerQueue::TReader** readers, ui32 scheduleReadersCount) override; 
+        void PrepareSchedules(NSchedulerQueue::TReader** readers, ui32 scheduleReadersCount) override;
 
         void PrepareStart() override;
         void Start() override;
@@ -61,7 +61,7 @@ namespace NActors {
             *currentMonotonic = GetMonotonicMicroSeconds();
         }
 
-        void PrepareSchedules(NSchedulerQueue::TReader** readers, ui32 scheduleReadersCount) override { 
+        void PrepareSchedules(NSchedulerQueue::TReader** readers, ui32 scheduleReadersCount) override {
             Y_UNUSED(readers);
             Y_UNUSED(scheduleReadersCount);
         }
diff --git a/library/cpp/actors/core/ut/ya.make b/library/cpp/actors/core/ut/ya.make
index 64ab864b4a..3ee28d5850 100644
--- a/library/cpp/actors/core/ut/ya.make
+++ b/library/cpp/actors/core/ut/ya.make
@@ -33,11 +33,11 @@ SRCS(
     actor_ut.cpp
     actorsystem_ut.cpp
     ask_ut.cpp
-    balancer_ut.cpp 
+    balancer_ut.cpp
     event_pb_payload_ut.cpp
     event_pb_ut.cpp
     executor_pool_basic_ut.cpp
-    executor_pool_united_ut.cpp 
+    executor_pool_united_ut.cpp
     log_ut.cpp
     memory_tracker_ut.cpp
     scheduler_actor_ut.cpp
diff --git a/library/cpp/actors/core/worker_context.cpp b/library/cpp/actors/core/worker_context.cpp
index 55b50f4708..ada6c997d4 100644
--- a/library/cpp/actors/core/worker_context.cpp
+++ b/library/cpp/actors/core/worker_context.cpp
@@ -1,7 +1,7 @@
-#include "worker_context.h" 
-#include "probes.h" 
- 
-namespace NActors { 
-    LWTRACE_USING(ACTORLIB_PROVIDER); 
- 
-} 
+#include "worker_context.h"
+#include "probes.h"
+
+namespace NActors {
+    LWTRACE_USING(ACTORLIB_PROVIDER);
+
+}
diff --git a/library/cpp/actors/core/worker_context.h b/library/cpp/actors/core/worker_context.h
index d4a9a5e6ee..b4c37a7629 100644
--- a/library/cpp/actors/core/worker_context.h
+++ b/library/cpp/actors/core/worker_context.h
@@ -1,175 +1,175 @@
-#pragma once 
- 
-#include "defs.h" 
- 
-#include "actorsystem.h" 
-#include "event.h" 
-#include "lease.h" 
-#include "mailbox.h" 
-#include "mon_stats.h" 
- 
-#include <library/cpp/actors/util/datetime.h> 
-#include <library/cpp/actors/util/intrinsics.h> 
-#include <library/cpp/actors/util/thread.h> 
- 
-#include <library/cpp/lwtrace/shuttle.h> 
- 
-namespace NActors { 
-    struct TWorkerContext { 
-        const TWorkerId WorkerId; 
-        const TCpuId CpuId; 
-        TLease Lease; 
-        IExecutorPool* Executor = nullptr; 
-        TMailboxTable* MailboxTable = nullptr; 
-        ui64 TimePerMailboxTs = 0; 
-        ui32 EventsPerMailbox = 0; 
-        ui64 SoftDeadlineTs = ui64(-1); 
-        TExecutorThreadStats* Stats = &WorkerStats; // pool stats 
-        TExecutorThreadStats WorkerStats; 
-        TPoolId PoolId = MaxPools; 
-        mutable NLWTrace::TOrbit Orbit; 
- 
-        TWorkerContext(TWorkerId workerId, TCpuId cpuId, size_t activityVecSize) 
-            : WorkerId(workerId) 
-            , CpuId(cpuId) 
-            , Lease(WorkerId, NeverExpire) 
-            , WorkerStats(activityVecSize) 
-        {} 
- 
-#ifdef ACTORSLIB_COLLECT_EXEC_STATS 
-        void GetCurrentStats(TExecutorThreadStats& statsCopy) const { 
-            statsCopy = TExecutorThreadStats(); 
-            statsCopy.Aggregate(*Stats); 
-        } 
- 
-        void AddElapsedCycles(ui32 activityType, i64 elapsed) { 
-            Y_VERIFY_DEBUG(activityType < Stats->MaxActivityType()); 
-            RelaxedStore(&Stats->ElapsedTicks, RelaxedLoad(&Stats->ElapsedTicks) + elapsed); 
-            RelaxedStore(&Stats->ElapsedTicksByActivity[activityType], RelaxedLoad(&Stats->ElapsedTicksByActivity[activityType]) + elapsed); 
-        } 
- 
-        void AddParkedCycles(i64 elapsed) { 
-            RelaxedStore(&Stats->ParkedTicks, RelaxedLoad(&Stats->ParkedTicks) + elapsed); 
-        } 
- 
-        void AddBlockedCycles(i64 elapsed) { 
-            RelaxedStore(&Stats->BlockedTicks, RelaxedLoad(&Stats->BlockedTicks) + elapsed); 
-        } 
- 
-        void IncrementSentEvents() { 
-            RelaxedStore(&Stats->SentEvents, RelaxedLoad(&Stats->SentEvents) + 1); 
-        } 
- 
-        void IncrementPreemptedEvents() { 
-            RelaxedStore(&Stats->PreemptedEvents, RelaxedLoad(&Stats->PreemptedEvents) + 1); 
-        } 
- 
-        void DecrementActorsAliveByActivity(ui32 activityType) { 
-            if (activityType >= Stats->MaxActivityType()) { 
-                activityType = 0; 
-            } 
-            RelaxedStore(&Stats->ActorsAliveByActivity[activityType], Stats->ActorsAliveByActivity[activityType] - 1); 
-        } 
- 
-        inline void IncrementNonDeliveredEvents() { 
-            RelaxedStore(&Stats->NonDeliveredEvents, RelaxedLoad(&Stats->NonDeliveredEvents) + 1); 
-        } 
- 
-        inline void IncrementMailboxPushedOutBySoftPreemption() { 
-            RelaxedStore(&Stats->MailboxPushedOutBySoftPreemption, RelaxedLoad(&Stats->MailboxPushedOutBySoftPreemption) + 1); 
-        } 
- 
-        inline void IncrementMailboxPushedOutByTime() { 
-            RelaxedStore(&Stats->MailboxPushedOutByTime, RelaxedLoad(&Stats->MailboxPushedOutByTime) + 1); 
-        } 
- 
-        inline void IncrementMailboxPushedOutByEventCount() { 
-            RelaxedStore(&Stats->MailboxPushedOutByEventCount, RelaxedLoad(&Stats->MailboxPushedOutByEventCount) + 1); 
-        } 
- 
-        inline void IncrementEmptyMailboxActivation() { 
-            RelaxedStore(&Stats->EmptyMailboxActivation, RelaxedLoad(&Stats->EmptyMailboxActivation) + 1); 
-        } 
- 
-        double AddActivationStats(i64 scheduleTs, i64 deliveredTs) { 
-            i64 ts = deliveredTs > scheduleTs ? deliveredTs - scheduleTs : 0; 
-            double usec = NHPTimer::GetSeconds(ts) * 1000000.0; 
-            Stats->ActivationTimeHistogram.Add(usec); 
-            return usec; 
-        } 
- 
-        ui64 AddEventDeliveryStats(i64 sentTs, i64 deliveredTs) { 
-            ui64 usecDeliv = deliveredTs > sentTs ? NHPTimer::GetSeconds(deliveredTs - sentTs) * 1000000 : 0; 
-            Stats->EventDeliveryTimeHistogram.Add(usecDeliv); 
-            return usecDeliv; 
-        } 
- 
-        i64 AddEventProcessingStats(i64 deliveredTs, i64 processedTs, ui32 activityType, ui64 scheduled) { 
-            i64 elapsed = processedTs - deliveredTs; 
-            ui64 usecElapsed = NHPTimer::GetSeconds(elapsed) * 1000000; 
-            activityType = (activityType >= Stats->MaxActivityType()) ? 0 : activityType; 
-            Stats->EventProcessingCountHistogram.Add(usecElapsed); 
-            Stats->EventProcessingTimeHistogram.Add(usecElapsed, elapsed); 
-            RelaxedStore(&Stats->ReceivedEvents, RelaxedLoad(&Stats->ReceivedEvents) + 1); 
-            RelaxedStore(&Stats->ReceivedEventsByActivity[activityType], RelaxedLoad(&Stats->ReceivedEventsByActivity[activityType]) + 1); 
-            RelaxedStore(&Stats->ScheduledEventsByActivity[activityType], RelaxedLoad(&Stats->ScheduledEventsByActivity[activityType]) + scheduled); 
-            AddElapsedCycles(activityType, elapsed); 
-            return elapsed; 
-        } 
- 
-        void UpdateActorsStats(size_t dyingActorsCnt) { 
-            if (dyingActorsCnt) { 
-                AtomicAdd(Executor->DestroyedActors, dyingActorsCnt); 
-            } 
-            RelaxedStore(&Stats->PoolDestroyedActors, (ui64)RelaxedLoad(&Executor->DestroyedActors)); 
-            RelaxedStore(&Stats->PoolActorRegistrations, (ui64)RelaxedLoad(&Executor->ActorRegistrations)); 
-            RelaxedStore(&Stats->PoolAllocatedMailboxes, MailboxTable->GetAllocatedMailboxCount()); 
-        } 
- 
-        void UpdateThreadTime() { 
-            RelaxedStore(&WorkerStats.CpuNs, ThreadCPUTime() * 1000); 
-        } 
-#else 
-        void GetCurrentStats(TExecutorThreadStats&) const {} 
-        inline void AddElapsedCycles(ui32, i64) {} 
-        inline void AddParkedCycles(i64) {} 
-        inline void AddBlockedCycles(i64) {} 
-        inline void IncrementSentEvents() {} 
-        inline void IncrementPreemptedEvents() {} 
-        inline void IncrementMailboxPushedOutBySoftPreemption() {} 
-        inline void IncrementMailboxPushedOutByTime() {} 
-        inline void IncrementMailboxPushedOutByEventCount() {} 
-        inline void IncrementEmptyMailboxActivation() {} 
-        void DecrementActorsAliveByActivity(ui32) {} 
-        void IncrementNonDeliveredEvents() {} 
-        double AddActivationStats(i64, i64) { return 0; } 
-        ui64 AddEventDeliveryStats(i64, i64) { return 0; } 
-        i64 AddEventProcessingStats(i64, i64, ui32, ui64) { return 0; } 
-        void UpdateActorsStats(size_t, IExecutorPool*) {} 
-        void UpdateThreadTime() {} 
-#endif 
- 
-        void Switch(IExecutorPool* executor, 
-                    TMailboxTable* mailboxTable, 
-                    ui64 timePerMailboxTs, 
-                    ui32 eventsPerMailbox, 
-                    ui64 softDeadlineTs, 
-                    TExecutorThreadStats* stats) 
-        { 
-            Executor = executor; 
-            MailboxTable = mailboxTable; 
-            TimePerMailboxTs = timePerMailboxTs; 
-            EventsPerMailbox = eventsPerMailbox; 
-            SoftDeadlineTs = softDeadlineTs; 
-            Stats = stats; 
-            PoolId = Executor ? Executor->PoolId : MaxPools; 
-        } 
- 
-        void SwitchToIdle() { 
-            Executor = nullptr; 
-            MailboxTable = nullptr; 
-            //Stats = &WorkerStats; // TODO: in actorsystem 2.0 idle stats cannot be related to specific pool 
-            PoolId = MaxPools; 
-        } 
-    }; 
-} 
+#pragma once
+
+#include "defs.h"
+
+#include "actorsystem.h"
+#include "event.h"
+#include "lease.h"
+#include "mailbox.h"
+#include "mon_stats.h"
+
+#include <library/cpp/actors/util/datetime.h>
+#include <library/cpp/actors/util/intrinsics.h>
+#include <library/cpp/actors/util/thread.h>
+
+#include <library/cpp/lwtrace/shuttle.h>
+
+namespace NActors {
+    struct TWorkerContext {
+        const TWorkerId WorkerId;
+        const TCpuId CpuId;
+        TLease Lease;
+        IExecutorPool* Executor = nullptr;
+        TMailboxTable* MailboxTable = nullptr;
+        ui64 TimePerMailboxTs = 0;
+        ui32 EventsPerMailbox = 0;
+        ui64 SoftDeadlineTs = ui64(-1);
+        TExecutorThreadStats* Stats = &WorkerStats; // pool stats
+        TExecutorThreadStats WorkerStats;
+        TPoolId PoolId = MaxPools;
+        mutable NLWTrace::TOrbit Orbit;
+
+        TWorkerContext(TWorkerId workerId, TCpuId cpuId, size_t activityVecSize)
+            : WorkerId(workerId)
+            , CpuId(cpuId)
+            , Lease(WorkerId, NeverExpire)
+            , WorkerStats(activityVecSize)
+        {}
+
+#ifdef ACTORSLIB_COLLECT_EXEC_STATS
+        void GetCurrentStats(TExecutorThreadStats& statsCopy) const {
+            statsCopy = TExecutorThreadStats();
+            statsCopy.Aggregate(*Stats);
+        }
+
+        void AddElapsedCycles(ui32 activityType, i64 elapsed) {
+            Y_VERIFY_DEBUG(activityType < Stats->MaxActivityType());
+            RelaxedStore(&Stats->ElapsedTicks, RelaxedLoad(&Stats->ElapsedTicks) + elapsed);
+            RelaxedStore(&Stats->ElapsedTicksByActivity[activityType], RelaxedLoad(&Stats->ElapsedTicksByActivity[activityType]) + elapsed);
+        }
+
+        void AddParkedCycles(i64 elapsed) {
+            RelaxedStore(&Stats->ParkedTicks, RelaxedLoad(&Stats->ParkedTicks) + elapsed);
+        }
+
+        void AddBlockedCycles(i64 elapsed) {
+            RelaxedStore(&Stats->BlockedTicks, RelaxedLoad(&Stats->BlockedTicks) + elapsed);
+        }
+
+        void IncrementSentEvents() {
+            RelaxedStore(&Stats->SentEvents, RelaxedLoad(&Stats->SentEvents) + 1);
+        }
+
+        void IncrementPreemptedEvents() {
+            RelaxedStore(&Stats->PreemptedEvents, RelaxedLoad(&Stats->PreemptedEvents) + 1);
+        }
+
+        void DecrementActorsAliveByActivity(ui32 activityType) {
+            if (activityType >= Stats->MaxActivityType()) {
+                activityType = 0;
+            }
+            RelaxedStore(&Stats->ActorsAliveByActivity[activityType], Stats->ActorsAliveByActivity[activityType] - 1);
+        }
+
+        inline void IncrementNonDeliveredEvents() {
+            RelaxedStore(&Stats->NonDeliveredEvents, RelaxedLoad(&Stats->NonDeliveredEvents) + 1);
+        }
+
+        inline void IncrementMailboxPushedOutBySoftPreemption() {
+            RelaxedStore(&Stats->MailboxPushedOutBySoftPreemption, RelaxedLoad(&Stats->MailboxPushedOutBySoftPreemption) + 1);
+        }
+
+        inline void IncrementMailboxPushedOutByTime() {
+            RelaxedStore(&Stats->MailboxPushedOutByTime, RelaxedLoad(&Stats->MailboxPushedOutByTime) + 1);
+        }
+
+        inline void IncrementMailboxPushedOutByEventCount() {
+            RelaxedStore(&Stats->MailboxPushedOutByEventCount, RelaxedLoad(&Stats->MailboxPushedOutByEventCount) + 1);
+        }
+
+        inline void IncrementEmptyMailboxActivation() {
+            RelaxedStore(&Stats->EmptyMailboxActivation, RelaxedLoad(&Stats->EmptyMailboxActivation) + 1);
+        }
+
+        double AddActivationStats(i64 scheduleTs, i64 deliveredTs) {
+            i64 ts = deliveredTs > scheduleTs ? deliveredTs - scheduleTs : 0;
+            double usec = NHPTimer::GetSeconds(ts) * 1000000.0;
+            Stats->ActivationTimeHistogram.Add(usec);
+            return usec;
+        }
+
+        ui64 AddEventDeliveryStats(i64 sentTs, i64 deliveredTs) {
+            ui64 usecDeliv = deliveredTs > sentTs ? NHPTimer::GetSeconds(deliveredTs - sentTs) * 1000000 : 0;
+            Stats->EventDeliveryTimeHistogram.Add(usecDeliv);
+            return usecDeliv;
+        }
+
+        i64 AddEventProcessingStats(i64 deliveredTs, i64 processedTs, ui32 activityType, ui64 scheduled) {
+            i64 elapsed = processedTs - deliveredTs;
+            ui64 usecElapsed = NHPTimer::GetSeconds(elapsed) * 1000000;
+            activityType = (activityType >= Stats->MaxActivityType()) ? 0 : activityType;
+            Stats->EventProcessingCountHistogram.Add(usecElapsed);
+            Stats->EventProcessingTimeHistogram.Add(usecElapsed, elapsed);
+            RelaxedStore(&Stats->ReceivedEvents, RelaxedLoad(&Stats->ReceivedEvents) + 1);
+            RelaxedStore(&Stats->ReceivedEventsByActivity[activityType], RelaxedLoad(&Stats->ReceivedEventsByActivity[activityType]) + 1);
+            RelaxedStore(&Stats->ScheduledEventsByActivity[activityType], RelaxedLoad(&Stats->ScheduledEventsByActivity[activityType]) + scheduled);
+            AddElapsedCycles(activityType, elapsed);
+            return elapsed;
+        }
+
+        void UpdateActorsStats(size_t dyingActorsCnt) {
+            if (dyingActorsCnt) {
+                AtomicAdd(Executor->DestroyedActors, dyingActorsCnt);
+            }
+            RelaxedStore(&Stats->PoolDestroyedActors, (ui64)RelaxedLoad(&Executor->DestroyedActors));
+            RelaxedStore(&Stats->PoolActorRegistrations, (ui64)RelaxedLoad(&Executor->ActorRegistrations));
+            RelaxedStore(&Stats->PoolAllocatedMailboxes, MailboxTable->GetAllocatedMailboxCount());
+        }
+
+        void UpdateThreadTime() {
+            RelaxedStore(&WorkerStats.CpuNs, ThreadCPUTime() * 1000);
+        }
+#else
+        void GetCurrentStats(TExecutorThreadStats&) const {}
+        inline void AddElapsedCycles(ui32, i64) {}
+        inline void AddParkedCycles(i64) {}
+        inline void AddBlockedCycles(i64) {}
+        inline void IncrementSentEvents() {}
+        inline void IncrementPreemptedEvents() {}
+        inline void IncrementMailboxPushedOutBySoftPreemption() {}
+        inline void IncrementMailboxPushedOutByTime() {}
+        inline void IncrementMailboxPushedOutByEventCount() {}
+        inline void IncrementEmptyMailboxActivation() {}
+        void DecrementActorsAliveByActivity(ui32) {}
+        void IncrementNonDeliveredEvents() {}
+        double AddActivationStats(i64, i64) { return 0; }
+        ui64 AddEventDeliveryStats(i64, i64) { return 0; }
+        i64 AddEventProcessingStats(i64, i64, ui32, ui64) { return 0; }
+        void UpdateActorsStats(size_t, IExecutorPool*) {}
+        void UpdateThreadTime() {}
+#endif
+
+        void Switch(IExecutorPool* executor,
+                    TMailboxTable* mailboxTable,
+                    ui64 timePerMailboxTs,
+                    ui32 eventsPerMailbox,
+                    ui64 softDeadlineTs,
+                    TExecutorThreadStats* stats)
+        {
+            Executor = executor;
+            MailboxTable = mailboxTable;
+            TimePerMailboxTs = timePerMailboxTs;
+            EventsPerMailbox = eventsPerMailbox;
+            SoftDeadlineTs = softDeadlineTs;
+            Stats = stats;
+            PoolId = Executor ? Executor->PoolId : MaxPools;
+        }
+
+        void SwitchToIdle() {
+            Executor = nullptr;
+            MailboxTable = nullptr;
+            //Stats = &WorkerStats; // TODO: in actorsystem 2.0 idle stats cannot be related to specific pool
+            PoolId = MaxPools;
+        }
+    };
+}
diff --git a/library/cpp/actors/core/ya.make b/library/cpp/actors/core/ya.make
index 9cb2e2d396..880a9d00db 100644
--- a/library/cpp/actors/core/ya.make
+++ b/library/cpp/actors/core/ya.make
@@ -30,16 +30,16 @@ SRCS(
     actorsystem.h
     ask.cpp
     ask.h
-    balancer.h 
-    balancer.cpp 
+    balancer.h
+    balancer.cpp
     buffer.cpp
     buffer.h
     callstack.cpp
     callstack.h
-    config.h 
-    cpu_manager.cpp 
-    cpu_manager.h 
-    cpu_state.h 
+    config.h
+    cpu_manager.cpp
+    cpu_manager.h
+    cpu_state.h
     defs.h
     event.cpp
     event.h
@@ -56,8 +56,8 @@ SRCS(
     executor_pool_basic.h
     executor_pool_io.cpp
     executor_pool_io.h
-    executor_pool_united.cpp 
-    executor_pool_united.h 
+    executor_pool_united.cpp
+    executor_pool_united.h
     executor_thread.cpp
     executor_thread.h
     hfunc.h
@@ -66,7 +66,7 @@ SRCS(
     invoke.h
     io_dispatcher.cpp
     io_dispatcher.h
-    lease.h 
+    lease.h
     log.cpp
     log.h
     log_settings.cpp
@@ -82,9 +82,9 @@ SRCS(
     mon.h
     mon_stats.h
     monotonic.cpp
-    monotonic.h 
-    worker_context.cpp 
-    worker_context.h 
+    monotonic.h
+    worker_context.cpp
+    worker_context.h
     probes.cpp
     probes.h
     process_stats.cpp
diff --git a/library/cpp/actors/dnscachelib/dnscache.cpp b/library/cpp/actors/dnscachelib/dnscache.cpp
index 026491bcf1..649339ddb2 100644
--- a/library/cpp/actors/dnscachelib/dnscache.cpp
+++ b/library/cpp/actors/dnscachelib/dnscache.cpp
@@ -1,5 +1,5 @@
 #include "dnscache.h"
-#include "probes.h" 
+#include "probes.h"
 #include "timekeeper.h"
 
 #include <contrib/libs/c-ares/ares.h>
@@ -8,8 +8,8 @@
 
 const TDnsCache::THost TDnsCache::NullHost;
 
-LWTRACE_USING(DNSCACHELIB_PROVIDER); 
- 
+LWTRACE_USING(DNSCACHELIB_PROVIDER);
+
 static_assert(sizeof(ares_channel) == sizeof(void*), "expect sizeof(ares_channel) == sizeof(void *)");
 
 TDnsCache::TDnsCache(bool allowIpv4, bool allowIpv6, time_t lifetime, time_t neg, ui32 timeout)
@@ -33,11 +33,11 @@ TDnsCache::TDnsCache(bool allowIpv4, bool allowIpv6, time_t lifetime, time_t neg
     ares_channel chan;
 
     if (ares_init(&chan) != ARES_SUCCESS) {
-        LWPROBE(AresInitFailed); 
+        LWPROBE(AresInitFailed);
         ythrow yexception() << "ares_init() failed";
     }
     Channel = chan;
-    LWPROBE(Created); 
+    LWPROBE(Created);
 }
 
 TDnsCache::~TDnsCache(void) {
@@ -45,7 +45,7 @@ TDnsCache::~TDnsCache(void) {
 
     ares_cancel(chan);
     ares_destroy(chan);
-    LWPROBE(Destroyed); 
+    LWPROBE(Destroyed);
 
 #ifdef _win_
     ares_library_cleanup();
@@ -112,7 +112,7 @@ NAddr::IRemoteAddrPtr TDnsCache::GetAddr(
         }
     }
 
-    LWPROBE(FamilyMismatch, family, AllowIpV4, AllowIpV6); 
+    LWPROBE(FamilyMismatch, family, AllowIpV4, AllowIpV6);
     return nullptr;
 }
 
@@ -170,7 +170,7 @@ bool TDnsCache::THost::IsStale(int family, const TDnsCache* ctx) const noexcept
 const TDnsCache::THost&
 TDnsCache::Resolve(const TString& hostname, int family, bool cacheOnly) {
     if (!ValidateHName(hostname)) {
-        LWPROBE(ResolveNullHost, hostname, family); 
+        LWPROBE(ResolveNullHost, hostname, family);
         return NullHost;
     }
 
@@ -185,15 +185,15 @@ TDnsCache::Resolve(const TString& hostname, int family, bool cacheOnly) {
             if (!p->second.IsStale(family, this)) {
                 /* Recently resolved, just return cached value */
                 ACacheHits += 1;
-                THost& host = p->second; 
-                LWPROBE(ResolveFromCache, hostname, family, host.AddrsV4ToString(), host.AddrsV6ToString(), ACacheHits); 
-                return host; 
-            } else { 
-                LWPROBE(ResolveCacheTimeout, hostname); 
+                THost& host = p->second;
+                LWPROBE(ResolveFromCache, hostname, family, host.AddrsV4ToString(), host.AddrsV6ToString(), ACacheHits);
+                return host;
+            } else {
+                LWPROBE(ResolveCacheTimeout, hostname);
             }
         } else {
             /* Never resolved, create cache entry */
-            LWPROBE(ResolveCacheNew, hostname); 
+            LWPROBE(ResolveCacheNew, hostname);
             p = HostCache.insert(std::make_pair(hostname, THost())).first;
         }
         ACacheMisses += 1;
@@ -227,7 +227,7 @@ TDnsCache::Resolve(const TString& hostname, int family, bool cacheOnly) {
 
     WaitTask(inprogress);
 
-    LWPROBE(ResolveDone, hostname, family, p->second.AddrsV4ToString(), p->second.AddrsV6ToString()); 
+    LWPROBE(ResolveDone, hostname, family, p->second.AddrsV4ToString(), p->second.AddrsV6ToString());
     return p->second;
 }
 
@@ -415,31 +415,31 @@ void TDnsCache::GHBACallback(void* arg, int status, int, struct hostent* info) {
     }
     AtomicSet(p->second.InProgress, 0);
 }
- 
+
 TString TDnsCache::THost::AddrsV4ToString() const {
-    TStringStream ss; 
-    bool first = false; 
-    for (TIpHost addr : AddrsV4) { 
+    TStringStream ss;
+    bool first = false;
+    for (TIpHost addr : AddrsV4) {
         ss << (first ? "" : " ") << IpToString(addr);
-        first = false; 
-    } 
-    return ss.Str(); 
-} 
- 
+        first = false;
+    }
+    return ss.Str();
+}
+
 TString TDnsCache::THost::AddrsV6ToString() const {
-    TStringStream ss; 
-    bool first = false; 
-    for (in6_addr addr : AddrsV6) { 
-        struct sockaddr_in6 sin6; 
-        Zero(sin6); 
-        sin6.sin6_family = AF_INET6; 
-        sin6.sin6_addr = addr; 
- 
-        NAddr::TIPv6Addr addr6(sin6); 
+    TStringStream ss;
+    bool first = false;
+    for (in6_addr addr : AddrsV6) {
+        struct sockaddr_in6 sin6;
+        Zero(sin6);
+        sin6.sin6_family = AF_INET6;
+        sin6.sin6_addr = addr;
+
+        NAddr::TIPv6Addr addr6(sin6);
         ss << (first ? "" : " ") << NAddr::PrintHost(addr6);
-        first = false; 
-    } 
-    return ss.Str(); 
-} 
+        first = false;
+    }
+    return ss.Str();
+}
 
 TDnsCache::TAresLibInit TDnsCache::InitAresLib;
diff --git a/library/cpp/actors/dnscachelib/dnscache.h b/library/cpp/actors/dnscachelib/dnscache.h
index 03eec356d2..3313a251a1 100644
--- a/library/cpp/actors/dnscachelib/dnscache.h
+++ b/library/cpp/actors/dnscachelib/dnscache.h
@@ -65,7 +65,7 @@ private:
         time_t ResolvedV6 = 0;
         time_t NotFoundV6 = 0;
         TAtomic InProgressV6 = 0;
- 
+
         TString AddrsV4ToString() const;
         TString AddrsV6ToString() const;
 
diff --git a/library/cpp/actors/dnscachelib/probes.cpp b/library/cpp/actors/dnscachelib/probes.cpp
index 441e0609f9..07734ab20f 100644
--- a/library/cpp/actors/dnscachelib/probes.cpp
+++ b/library/cpp/actors/dnscachelib/probes.cpp
@@ -1,3 +1,3 @@
-#include "probes.h" 
- 
-LWTRACE_DEFINE_PROVIDER(DNSCACHELIB_PROVIDER) 
+#include "probes.h"
+
+LWTRACE_DEFINE_PROVIDER(DNSCACHELIB_PROVIDER)
diff --git a/library/cpp/actors/dnscachelib/probes.h b/library/cpp/actors/dnscachelib/probes.h
index 6416e997b7..313b7b8712 100644
--- a/library/cpp/actors/dnscachelib/probes.h
+++ b/library/cpp/actors/dnscachelib/probes.h
@@ -1,7 +1,7 @@
-#pragma once 
- 
+#pragma once
+
 #include <library/cpp/lwtrace/all.h>
- 
+
 #define DNSCACHELIB_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)           \
     PROBE(Created, GROUPS(), TYPES(), NAMES())                             \
     PROBE(Destroyed, GROUPS(), TYPES(), NAMES())                           \
@@ -30,6 +30,6 @@
           GROUPS(),                                                        \
           TYPES(TString),                                                  \
           NAMES("hostname"))                                               \
-    /**/ 
- 
-LWTRACE_DECLARE_PROVIDER(DNSCACHELIB_PROVIDER) 
+    /**/
+
+LWTRACE_DECLARE_PROVIDER(DNSCACHELIB_PROVIDER)
diff --git a/library/cpp/actors/dnscachelib/ya.make b/library/cpp/actors/dnscachelib/ya.make
index 3ee25102c1..e3a6ad6202 100644
--- a/library/cpp/actors/dnscachelib/ya.make
+++ b/library/cpp/actors/dnscachelib/ya.make
@@ -11,8 +11,8 @@ OWNER(
 SRCS(
     dnscache.cpp
     dnscache.h
-    probes.cpp 
-    probes.h 
+    probes.cpp
+    probes.h
     timekeeper.h
 )
 
diff --git a/library/cpp/actors/helpers/flow_controlled_queue.cpp b/library/cpp/actors/helpers/flow_controlled_queue.cpp
index 46addfa708..d75cc54023 100644
--- a/library/cpp/actors/helpers/flow_controlled_queue.cpp
+++ b/library/cpp/actors/helpers/flow_controlled_queue.cpp
@@ -2,7 +2,7 @@
 
 #include <library/cpp/actors/core/interconnect.h>
 #include <library/cpp/actors/core/hfunc.h>
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 
 #include <util/generic/deque.h>
 #include <util/datetime/cputimer.h>
@@ -29,7 +29,7 @@ public:
         , Source(source)
         , Cookie(cookie)
         , Flags(flags)
-        , StartCounter(GetCycleCountFast()) 
+        , StartCounter(GetCycleCountFast())
     {}
 
     STATEFN(StateWait) {
@@ -41,7 +41,7 @@ public:
     }
 
     TDuration AccumulatedLatency() const {
-        const ui64 cc = GetCycleCountFast() - StartCounter; 
+        const ui64 cc = GetCycleCountFast() - StartCounter;
         return CyclesToDuration(cc);
     }
 
diff --git a/library/cpp/actors/interconnect/interconnect_channel.cpp b/library/cpp/actors/interconnect/interconnect_channel.cpp
index 9aee8fd5a2..a66ba2a154 100644
--- a/library/cpp/actors/interconnect/interconnect_channel.cpp
+++ b/library/cpp/actors/interconnect/interconnect_channel.cpp
@@ -3,13 +3,13 @@
 #include <library/cpp/actors/core/events.h>
 #include <library/cpp/actors/core/executor_thread.h>
 #include <library/cpp/actors/core/log.h>
-#include <library/cpp/actors/core/probes.h> 
+#include <library/cpp/actors/core/probes.h>
 #include <library/cpp/actors/protos/services_common.pb.h>
 #include <library/cpp/actors/prof/tag.h>
 #include <library/cpp/digest/crc32c/crc32c.h>
 
-LWTRACE_USING(ACTORLIB_PROVIDER); 
- 
+LWTRACE_USING(ACTORLIB_PROVIDER);
+
 namespace NActors {
     DECLARE_WILSON_EVENT(EventSentToSocket);
     DECLARE_WILSON_EVENT(EventReceivedFromSocket);
@@ -25,8 +25,8 @@ namespace NActors {
 //            WILSON_TRACE(*ctx, &traceId, EventSentToSocket);
 //        }
         traceId.Serialize(&event.Descr.TraceId);
-        LWTRACK(SerializeToPacketEnd, event.Orbit, PeerNodeId, ChannelId, OutputQueueSize, task.GetDataSize()); 
-        task.Orbit.Take(event.Orbit); 
+        LWTRACK(SerializeToPacketEnd, event.Orbit, PeerNodeId, ChannelId, OutputQueueSize, task.GetDataSize());
+        task.Orbit.Take(event.Orbit);
 
         event.Descr.Flags = (event.Descr.Flags & ~IEventHandle::FlagForwardOnNondelivery) |
             (ExtendedFormat ? IEventHandle::FlagExtendedFormat : 0);
@@ -58,7 +58,7 @@ namespace NActors {
             switch (State) {
                 case EState::INITIAL:
                     event.InitChecksum();
-                    LWTRACK(SerializeToPacketBegin, event.Orbit, PeerNodeId, ChannelId, OutputQueueSize); 
+                    LWTRACK(SerializeToPacketBegin, event.Orbit, PeerNodeId, ChannelId, OutputQueueSize);
                     if (event.Event) {
                         State = EState::CHUNKER;
                         IEventBase *base = event.Event.Get();
diff --git a/library/cpp/actors/interconnect/interconnect_channel.h b/library/cpp/actors/interconnect/interconnect_channel.h
index a26cb7a92c..e4a0ae3cda 100644
--- a/library/cpp/actors/interconnect/interconnect_channel.h
+++ b/library/cpp/actors/interconnect/interconnect_channel.h
@@ -42,11 +42,11 @@ namespace NActors {
 
     class TEventOutputChannel : public TInterconnectLoggingBase {
     public:
-        TEventOutputChannel(TEventHolderPool& pool, ui16 id, ui32 peerNodeId, ui32 maxSerializedEventSize, 
+        TEventOutputChannel(TEventHolderPool& pool, ui16 id, ui32 peerNodeId, ui32 maxSerializedEventSize,
                 std::shared_ptr<IInterconnectMetrics> metrics, TSessionParams params)
-            : TInterconnectLoggingBase(Sprintf("OutputChannel %" PRIu16 " [node %" PRIu32 "]", id, peerNodeId)) 
+            : TInterconnectLoggingBase(Sprintf("OutputChannel %" PRIu16 " [node %" PRIu32 "]", id, peerNodeId))
             , Pool(pool)
-            , PeerNodeId(peerNodeId) 
+            , PeerNodeId(peerNodeId)
             , ChannelId(id)
             , Metrics(std::move(metrics))
             , Params(std::move(params))
@@ -56,11 +56,11 @@ namespace NActors {
         ~TEventOutputChannel() {
         }
 
-        std::pair<ui32, TEventHolder*> Push(IEventHandle& ev) { 
+        std::pair<ui32, TEventHolder*> Push(IEventHandle& ev) {
             TEventHolder& event = Pool.Allocate(Queue);
             const ui32 bytes = event.Fill(ev) + sizeof(TEventDescr);
             OutputQueueSize += bytes;
-            return std::make_pair(bytes, &event); 
+            return std::make_pair(bytes, &event);
         }
 
         void DropConfirmed(ui64 confirm);
@@ -86,7 +86,7 @@ namespace NActors {
         void NotifyUndelivered();
 
         TEventHolderPool& Pool;
-        const ui32 PeerNodeId; 
+        const ui32 PeerNodeId;
         const ui16 ChannelId;
         std::shared_ptr<IInterconnectMetrics> Metrics;
         const TSessionParams Params;
diff --git a/library/cpp/actors/interconnect/interconnect_common.h b/library/cpp/actors/interconnect/interconnect_common.h
index 104573daaa..285709a00c 100644
--- a/library/cpp/actors/interconnect/interconnect_common.h
+++ b/library/cpp/actors/interconnect/interconnect_common.h
@@ -2,7 +2,7 @@
 
 #include <library/cpp/actors/core/actorid.h>
 #include <library/cpp/actors/core/actorsystem.h>
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 #include <library/cpp/monlib/dynamic_counters/counters.h>
 #include <library/cpp/monlib/metrics/metric_registry.h>
 #include <util/generic/map.h>
@@ -82,7 +82,7 @@ namespace NActors {
         TAtomicBase MaxDestructorQueueSize = 1024 * 1024 * 1024;
         TString ClusterUUID;
         TVector<TString> AcceptUUID;
-        ui64 StartTime = GetCycleCountFast(); 
+        ui64 StartTime = GetCycleCountFast();
         TString TechnicalSelfHostName;
         TInitWhiteboardCallback InitWhiteboard;
         TUpdateWhiteboardCallback UpdateWhiteboard;
diff --git a/library/cpp/actors/interconnect/interconnect_tcp_input_session.cpp b/library/cpp/actors/interconnect/interconnect_tcp_input_session.cpp
index e445c42f70..0abe9fe659 100644
--- a/library/cpp/actors/interconnect/interconnect_tcp_input_session.cpp
+++ b/library/cpp/actors/interconnect/interconnect_tcp_input_session.cpp
@@ -1,7 +1,7 @@
 #include "interconnect_tcp_session.h"
 #include "interconnect_tcp_proxy.h"
 #include <library/cpp/actors/core/probes.h>
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 
 namespace NActors {
     LWTRACE_USING(ACTORLIB_PROVIDER);
@@ -195,7 +195,7 @@ namespace NActors {
             ConfirmedByInput = HeaderConfirm;
             if (AtomicGet(Context->ControlPacketId) <= HeaderConfirm && !NewPingProtocol) {
                 ui64 sendTime = AtomicGet(Context->ControlPacketSendTimer);
-                TDuration duration = CyclesToDuration(GetCycleCountFast() - sendTime); 
+                TDuration duration = CyclesToDuration(GetCycleCountFast() - sendTime);
                 const auto durationUs = duration.MicroSeconds();
                 Metrics->UpdateLegacyPingTimeHist(durationUs);
                 PingQ.push_back(duration);
@@ -217,7 +217,7 @@ namespace NActors {
             Send(SessionId, new TEvProcessPingRequest(HeaderSerial & ~TTcpPacketBuf::PingRequestMask));
         } else if (HeaderSerial & TTcpPacketBuf::PingResponseMask) {
             const ui64 sent = HeaderSerial & ~TTcpPacketBuf::PingResponseMask;
-            const ui64 received = GetCycleCountFast(); 
+            const ui64 received = GetCycleCountFast();
             HandlePingResponse(CyclesToDuration(received - sent));
         } else if (HeaderSerial & TTcpPacketBuf::ClockMask) {
             HandleClock(TInstant::MicroSeconds(HeaderSerial & ~TTcpPacketBuf::ClockMask));
diff --git a/library/cpp/actors/interconnect/interconnect_tcp_session.cpp b/library/cpp/actors/interconnect/interconnect_tcp_session.cpp
index 8da77bcd1d..2ded7f9f53 100644
--- a/library/cpp/actors/interconnect/interconnect_tcp_session.cpp
+++ b/library/cpp/actors/interconnect/interconnect_tcp_session.cpp
@@ -5,7 +5,7 @@
 #include <library/cpp/actors/core/probes.h>
 #include <library/cpp/actors/core/log.h>
 #include <library/cpp/actors/core/interconnect.h>
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 #include <library/cpp/actors/protos/services_common.pb.h>
 #include <library/cpp/monlib/service/pages/templates.h>
 
@@ -128,20 +128,20 @@ namespace NActors {
         auto& oChannel = ChannelScheduler->GetOutputChannel(evChannel);
         const bool wasWorking = oChannel.IsWorking();
 
-        const auto [dataSize, event] = oChannel.Push(*ev); 
-        LWTRACK(ForwardEvent, event->Orbit, Proxy->PeerNodeId, event->Descr.Type, event->Descr.Flags, LWACTORID(event->Descr.Recipient), LWACTORID(event->Descr.Sender), event->Descr.Cookie, event->EventSerializedSize); 
- 
-        TotalOutputQueueSize += dataSize; 
+        const auto [dataSize, event] = oChannel.Push(*ev);
+        LWTRACK(ForwardEvent, event->Orbit, Proxy->PeerNodeId, event->Descr.Type, event->Descr.Flags, LWACTORID(event->Descr.Recipient), LWACTORID(event->Descr.Sender), event->Descr.Cookie, event->EventSerializedSize);
+
+        TotalOutputQueueSize += dataSize;
         Proxy->Metrics->AddOutputBuffersTotalSize(dataSize);
-        if (!wasWorking) { 
-            // this channel has returned to work -- it was empty and this we have just put first event in the queue 
-            ChannelScheduler->AddToHeap(oChannel, EqualizeCounter); 
+        if (!wasWorking) {
+            // this channel has returned to work -- it was empty and this we have just put first event in the queue
+            ChannelScheduler->AddToHeap(oChannel, EqualizeCounter);
         }
 
         SetOutputStuckFlag(true);
         ++NumEventsInReadyChannels;
 
-        LWTRACK(EnqueueEvent, event->Orbit, Proxy->PeerNodeId, NumEventsInReadyChannels, GetWriteBlockedTotal(), evChannel, oChannel.GetQueueSize(), oChannel.GetBufferedAmountOfData()); 
+        LWTRACK(EnqueueEvent, event->Orbit, Proxy->PeerNodeId, NumEventsInReadyChannels, GetWriteBlockedTotal(), evChannel, oChannel.GetQueueSize(), oChannel.GetBufferedAmountOfData());
         WILSON_TRACE(*TlsActivationContext, &ev->TraceId, OutputQueuePush,
                      QueueSizeInEvents = oChannel.GetQueueSize(),
                      QueueSizeInBytes = oChannel.GetBufferedAmountOfData());
@@ -179,7 +179,7 @@ namespace NActors {
             } else {
                 TActivationContext::Send(ev);
             }
-            LWPROBE(StartBatching, Proxy->PeerNodeId, batchPeriod.MillisecondsFloat()); 
+            LWPROBE(StartBatching, Proxy->PeerNodeId, batchPeriod.MillisecondsFloat());
             LOG_DEBUG_IC_SESSION("ICS17", "batching started");
         }
     }
@@ -315,7 +315,7 @@ namespace NActors {
 
             // update ping time
             Ping = msg.Ping;
-            LWPROBE(UpdateFromInputSession, Proxy->PeerNodeId, Ping.MillisecondsFloat()); 
+            LWPROBE(UpdateFromInputSession, Proxy->PeerNodeId, Ping.MillisecondsFloat());
 
             bool needConfirm = false;
 
@@ -342,7 +342,7 @@ namespace NActors {
 
             // generate more traffic if we have unblocked state now
             if (unblockedSomething) {
-                LWPROBE(UnblockByDropConfirmed, Proxy->PeerNodeId, NHPTimer::GetSeconds(GetCycleCountFast() - ev->SendTime) * 1000.0); 
+                LWPROBE(UnblockByDropConfirmed, Proxy->PeerNodeId, NHPTimer::GetSeconds(GetCycleCountFast() - ev->SendTime) * 1000.0);
                 GenerateTraffic();
             }
 
@@ -380,7 +380,7 @@ namespace NActors {
 
     void TInterconnectSessionTCP::HandleRam(TEvRam::TPtr& ev) {
         if (ev->Get() == RamInQueue) {
-            LWPROBE(FinishRam, Proxy->PeerNodeId, NHPTimer::GetSeconds(GetCycleCountFast() - ev->SendTime) * 1000.0); 
+            LWPROBE(FinishRam, Proxy->PeerNodeId, NHPTimer::GetSeconds(GetCycleCountFast() - ev->SendTime) * 1000.0);
             RamInQueue = nullptr;
             GenerateTraffic();
         }
@@ -391,7 +391,7 @@ namespace NActors {
         IssuePingRequest();
 
         if (RamInQueue && !RamInQueue->Batching) {
-            LWPROBE(SkipGenerateTraffic, Proxy->PeerNodeId, NHPTimer::GetSeconds(GetCycleCountFast() - RamStartedCycles) * 1000.0); 
+            LWPROBE(SkipGenerateTraffic, Proxy->PeerNodeId, NHPTimer::GetSeconds(GetCycleCountFast() - RamStartedCycles) * 1000.0);
             return; // we'll do it a bit later
         } else {
             RamInQueue = nullptr;
@@ -399,51 +399,51 @@ namespace NActors {
 
         LOG_DEBUG_IC_SESSION("ICS19", "GenerateTraffic");
 
-        // There is a tradeoff between fairness and efficiency. 
-        // The less traffic is generated here, the less buffering is after fair scheduler, 
-        // the more fair system is, the less latency is present. 
-        // The more traffic is generated here, the less syscalls and actor-system overhead occurs, 
-        // the less cpu is consumed. 
-        static const ui64 generateLimit = 64 * 1024; 
- 
+        // There is a tradeoff between fairness and efficiency.
+        // The less traffic is generated here, the less buffering is after fair scheduler,
+        // the more fair system is, the less latency is present.
+        // The more traffic is generated here, the less syscalls and actor-system overhead occurs,
+        // the less cpu is consumed.
+        static const ui64 generateLimit = 64 * 1024;
+
         const ui64 sizeBefore = TotalOutputQueueSize;
-        ui32 generatedPackets = 0; 
-        ui64 generatedBytes = 0; 
-        ui64 generateStarted = GetCycleCountFast(); 
+        ui32 generatedPackets = 0;
+        ui64 generatedBytes = 0;
+        ui64 generateStarted = GetCycleCountFast();
 
         // apply traffic changes
         auto accountTraffic = [&] { ChannelScheduler->ForEach([](TEventOutputChannel& channel) { channel.AccountTraffic(); }); };
 
-        // first, we create as many data packets as we can generate under certain conditions; they include presence 
-        // of events in channels queues and in flight fitting into requested limit; after we hit one of these conditions 
-        // we exit cycle 
-        while (Socket && NumEventsInReadyChannels && InflightDataAmount < GetTotalInflightAmountOfData() && !ReceiveContext->WriteBlockedByFullSendBuffer) { 
-            if (generatedBytes >= generateLimit) { 
-                // resume later but ensure that we have issued at least one packet 
+        // first, we create as many data packets as we can generate under certain conditions; they include presence
+        // of events in channels queues and in flight fitting into requested limit; after we hit one of these conditions
+        // we exit cycle
+        while (Socket && NumEventsInReadyChannels && InflightDataAmount < GetTotalInflightAmountOfData() && !ReceiveContext->WriteBlockedByFullSendBuffer) {
+            if (generatedBytes >= generateLimit) {
+                // resume later but ensure that we have issued at least one packet
                 RamInQueue = new TEvRam(false);
                 Send(SelfId(), RamInQueue);
-                RamStartedCycles = GetCycleCountFast(); 
-                LWPROBE(StartRam, Proxy->PeerNodeId); 
-                break; 
+                RamStartedCycles = GetCycleCountFast();
+                LWPROBE(StartRam, Proxy->PeerNodeId);
+                break;
             }
 
-            try { 
-                generatedBytes += MakePacket(true); 
-                ++generatedPackets; 
-            } catch (const TExSerializedEventTooLarge& ex) { 
-                // terminate session if the event can't be serialized properly 
-                accountTraffic(); 
-                LOG_CRIT_IC("ICS31", "serialized event Type# 0x%08" PRIx32 " is too large", ex.Type); 
-                return Terminate(TDisconnectReason::EventTooLarge()); 
+            try {
+                generatedBytes += MakePacket(true);
+                ++generatedPackets;
+            } catch (const TExSerializedEventTooLarge& ex) {
+                // terminate session if the event can't be serialized properly
+                accountTraffic();
+                LOG_CRIT_IC("ICS31", "serialized event Type# 0x%08" PRIx32 " is too large", ex.Type);
+                return Terminate(TDisconnectReason::EventTooLarge());
             }
         }
 
-        if (Socket) { 
-            WriteData(); 
-        } 
- 
-        LWPROBE(GenerateTraffic, Proxy->PeerNodeId, NHPTimer::GetSeconds(GetCycleCountFast() - generateStarted) * 1000.0, sizeBefore - TotalOutputQueueSize, generatedPackets, generatedBytes); 
- 
+        if (Socket) {
+            WriteData();
+        }
+
+        LWPROBE(GenerateTraffic, Proxy->PeerNodeId, NHPTimer::GetSeconds(GetCycleCountFast() - generateStarted) * 1000.0, sizeBefore - TotalOutputQueueSize, generatedPackets, generatedBytes);
+
         accountTraffic();
         EqualizeCounter += ChannelScheduler->Equalize();
     }
@@ -520,10 +520,10 @@ namespace NActors {
             ReceiveContext->WriteBlockedByFullSendBuffer ? "true" : "false");
         if (std::exchange(ReceiveContext->WriteBlockedByFullSendBuffer, false)) {
             Proxy->Metrics->IncUsefulWriteWakeups();
-            ui64 nowCycles = GetCycleCountFast(); 
-            double blockedUs = NHPTimer::GetSeconds(nowCycles - WriteBlockedCycles) * 1000000.0; 
-            LWPROBE(ReadyWrite, Proxy->PeerNodeId, NHPTimer::GetSeconds(nowCycles - ev->SendTime) * 1000.0, blockedUs / 1000.0); 
-            WriteBlockedTotal += TDuration::MicroSeconds(blockedUs); 
+            ui64 nowCycles = GetCycleCountFast();
+            double blockedUs = NHPTimer::GetSeconds(nowCycles - WriteBlockedCycles) * 1000000.0;
+            LWPROBE(ReadyWrite, Proxy->PeerNodeId, NHPTimer::GetSeconds(nowCycles - ev->SendTime) * 1000.0, blockedUs / 1000.0);
+            WriteBlockedTotal += TDuration::MicroSeconds(blockedUs);
             GenerateTraffic();
         } else if (!ev->Cookie) {
             Proxy->Metrics->IncSpuriousWriteWakeups();
@@ -602,7 +602,7 @@ namespace NActors {
                     Y_VERIFY(static_cast<size_t>(r) <= BytesUnwritten);
                     BytesUnwritten -= r;
                     written += r;
-                    ui64 packets = 0; 
+                    ui64 packets = 0;
 
                     // advance SendQueuePos to eat all processed items
                     for (size_t amount = r; amount && SendQueuePos->DropBufs(amount); ++SendQueuePos) {
@@ -610,11 +610,11 @@ namespace NActors {
                             LastSentSerial = Max(LastSentSerial, SendQueuePos->GetSerial());
                         }
                         ++PacketsWrittenToSocket;
-                        ++packets; 
-                        LWTRACK(PacketWrittenToSocket, SendQueuePos->Orbit, Proxy->PeerNodeId, PacketsWrittenToSocket, SendQueuePos->TriedWriting, SendQueuePos->GetDataSize(), BytesUnwritten, GetWriteBlockedTotal(), (SOCKET)*Socket); 
+                        ++packets;
+                        LWTRACK(PacketWrittenToSocket, SendQueuePos->Orbit, Proxy->PeerNodeId, PacketsWrittenToSocket, SendQueuePos->TriedWriting, SendQueuePos->GetDataSize(), BytesUnwritten, GetWriteBlockedTotal(), (SOCKET)*Socket);
                     }
- 
-                    LWPROBE(WriteToSocket, Proxy->PeerNodeId, r, packets, PacketsWrittenToSocket, BytesUnwritten, GetWriteBlockedTotal(), (SOCKET)*Socket); 
+
+                    LWPROBE(WriteToSocket, Proxy->PeerNodeId, r, packets, PacketsWrittenToSocket, BytesUnwritten, GetWriteBlockedTotal(), (SOCKET)*Socket);
                 } else if (-r != EAGAIN && -r != EWOULDBLOCK) {
                     const TString message = r == 0 ? "connection closed by peer"
                         : err ? err
@@ -635,8 +635,8 @@ namespace NActors {
                     // TEvPollerReadyWrite event from poller; set up flag meaning this and wait for that event
                     Y_VERIFY(!ReceiveContext->WriteBlockedByFullSendBuffer);
                     ReceiveContext->WriteBlockedByFullSendBuffer = true;
-                    WriteBlockedCycles = GetCycleCountFast(); 
-                    LWPROBE(BlockedWrite, Proxy->PeerNodeId, SendQueue.size(), written); 
+                    WriteBlockedCycles = GetCycleCountFast();
+                    LWPROBE(BlockedWrite, Proxy->PeerNodeId, SendQueue.size(), written);
                     LOG_DEBUG_IC_SESSION("ICS18", "hit send buffer limit");
 
                     if (PollerToken) {
@@ -718,7 +718,7 @@ namespace NActors {
         }
     }
 
-    ui64 TInterconnectSessionTCP::MakePacket(bool data, TMaybe<ui64> pingMask) { 
+    ui64 TInterconnectSessionTCP::MakePacket(bool data, TMaybe<ui64> pingMask) {
         Y_VERIFY(Socket);
 
         TSendQueue::iterator packet;
@@ -759,7 +759,7 @@ namespace NActors {
             }
 
             if (AtomicGet(ReceiveContext->ControlPacketId) == 0) {
-                AtomicSet(ReceiveContext->ControlPacketSendTimer, GetCycleCountFast()); 
+                AtomicSet(ReceiveContext->ControlPacketSendTimer, GetCycleCountFast());
                 AtomicSet(ReceiveContext->ControlPacketId, OutputCounter);
             }
 
@@ -788,8 +788,8 @@ namespace NActors {
         packet->Sign();
 
         // count number of bytes pending for write
-        ui64 packetSize = (Params.UseModernFrame ? sizeof(TTcpPacketHeader_v2) : sizeof(TTcpPacketHeader_v1)) + packet->GetDataSize(); 
-        BytesUnwritten += packetSize; 
+        ui64 packetSize = (Params.UseModernFrame ? sizeof(TTcpPacketHeader_v2) : sizeof(TTcpPacketHeader_v1)) + packet->GetDataSize();
+        BytesUnwritten += packetSize;
 
         LOG_DEBUG_IC_SESSION("ICS22", "outgoing packet Serial# %" PRIu64 " Confirm# %" PRIu64 " DataSize# %zu"
             " InflightDataAmount# %" PRIu64 " BytesUnwritten# %" PRIu64, serial, lastInputSerial, packet->GetDataSize(),
@@ -799,13 +799,13 @@ namespace NActors {
         ResetFlushLogic();
 
         ++PacketsGenerated;
-        LWTRACK(PacketGenerated, packet->Orbit, Proxy->PeerNodeId, BytesUnwritten, InflightDataAmount, PacketsGenerated, packetSize); 
+        LWTRACK(PacketGenerated, packet->Orbit, Proxy->PeerNodeId, BytesUnwritten, InflightDataAmount, PacketsGenerated, packetSize);
 
         if (!data) {
             WriteData();
         }
- 
-        return packetSize; 
+
+        return packetSize;
     }
 
     bool TInterconnectSessionTCP::DropConfirmed(ui64 confirm) {
@@ -836,14 +836,14 @@ namespace NActors {
             channel.DropConfirmed(lastDroppedSerial);
         });
 
-        const ui64 current = InflightDataAmount; 
-        const ui64 limit = GetTotalInflightAmountOfData(); 
-        const bool unblockedSomething = current >= limit && current < limit + droppedDataAmount; 
+        const ui64 current = InflightDataAmount;
+        const ui64 limit = GetTotalInflightAmountOfData();
+        const bool unblockedSomething = current >= limit && current < limit + droppedDataAmount;
 
         PacketsConfirmed += numDropped;
         InflightDataAmount -= droppedDataAmount;
         Proxy->Metrics->SubInflightDataAmount(droppedDataAmount);
-        LWPROBE(DropConfirmed, Proxy->PeerNodeId, droppedDataAmount, InflightDataAmount); 
+        LWPROBE(DropConfirmed, Proxy->PeerNodeId, droppedDataAmount, InflightDataAmount);
 
         LOG_DEBUG_IC_SESSION("ICS24", "exit InflightDataAmount: %" PRIu64 " bytes droppedDataAmount: %" PRIu64 " bytes"
             " dropped %" PRIu32 " packets", InflightDataAmount, droppedDataAmount, numDropped);
@@ -896,7 +896,7 @@ namespace NActors {
             }
         }
 
-        LWTRACK(FillSendingBuffer, task.Orbit, Proxy->PeerNodeId, bytesGenerated, NumEventsInReadyChannels, WriteBlockedTotal); 
+        LWTRACK(FillSendingBuffer, task.Orbit, Proxy->PeerNodeId, bytesGenerated, NumEventsInReadyChannels, WriteBlockedTotal);
         Y_VERIFY(bytesGenerated); // ensure we are not stalled in serialization
     }
 
@@ -967,15 +967,15 @@ namespace NActors {
 
         auto& lastpair = OutputQueueUtilization.Last();
         if (state)
-            lastpair.first -= GetCycleCountFast(); 
+            lastpair.first -= GetCycleCountFast();
         else
-            lastpair.first += GetCycleCountFast(); 
+            lastpair.first += GetCycleCountFast();
 
         OutputStuckFlag = state;
     }
 
     void TInterconnectSessionTCP::SwitchStuckPeriod() {
-        auto now = GetCycleCountFast(); 
+        auto now = GetCycleCountFast();
         if (OutputQueueUtilization.Size() != 0) {
             auto& lastpair = OutputQueueUtilization.Last();
             lastpair.second = now - lastpair.second;
@@ -1005,7 +1005,7 @@ namespace NActors {
     }
 
     ui64 TInterconnectSessionTCP::GetMaxCyclesPerEvent() const {
-        return DurationToCycles(TDuration::MicroSeconds(50)); 
+        return DurationToCycles(TDuration::MicroSeconds(50));
     }
 
     void TInterconnectSessionTCP::IssuePingRequest() {
@@ -1013,7 +1013,7 @@ namespace NActors {
         if (now >= LastPingTimestamp + PingPeriodicity) {
             LOG_DEBUG_IC_SESSION("ICS22", "Issuing ping request");
             if (Socket) {
-                MakePacket(false, GetCycleCountFast() | TTcpPacketBuf::PingRequestMask); 
+                MakePacket(false, GetCycleCountFast() | TTcpPacketBuf::PingRequestMask);
             }
             if (Socket) {
                 MakePacket(false, TInstant::Now().MicroSeconds() | TTcpPacketBuf::ClockMask);
diff --git a/library/cpp/actors/interconnect/interconnect_tcp_session.h b/library/cpp/actors/interconnect/interconnect_tcp_session.h
index e347d9b799..7fc00dbcc5 100644
--- a/library/cpp/actors/interconnect/interconnect_tcp_session.h
+++ b/library/cpp/actors/interconnect/interconnect_tcp_session.h
@@ -6,7 +6,7 @@
 #include <library/cpp/actors/core/log.h>
 #include <library/cpp/actors/helpers/mon_histogram_helper.h>
 #include <library/cpp/actors/protos/services_common.pb.h>
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 #include <library/cpp/actors/util/rope.h>
 #include <library/cpp/actors/util/funnel_queue.h>
 #include <library/cpp/actors/util/recentwnd.h>
@@ -38,12 +38,12 @@ namespace NActors {
     public:
         TSlowPathChecker(TTraceCallback&& callback)
             : Callback(std::move(callback))
-            , Start(GetCycleCountFast()) 
+            , Start(GetCycleCountFast())
         {
         }
 
         ~TSlowPathChecker() {
-            const NHPTimer::STime end = GetCycleCountFast(); 
+            const NHPTimer::STime end = GetCycleCountFast();
             const NHPTimer::STime elapsed = end - Start;
             if (elapsed > 1000000) {
                 Callback(NHPTimer::GetSeconds(elapsed) * 1000);
@@ -63,7 +63,7 @@ namespace NActors {
     class TTimeLimit {
     public:
         TTimeLimit(ui64 limitInCycles)
-            : UpperLimit(limitInCycles == 0 ? 0 : GetCycleCountFast() + limitInCycles) 
+            : UpperLimit(limitInCycles == 0 ? 0 : GetCycleCountFast() + limitInCycles)
         {
         }
 
@@ -73,7 +73,7 @@ namespace NActors {
         }
 
         bool CheckExceeded() {
-            return UpperLimit != 0 && GetCycleCountFast() > UpperLimit; 
+            return UpperLimit != 0 && GetCycleCountFast() > UpperLimit;
         }
 
         const ui64 UpperLimit;
@@ -125,7 +125,7 @@ namespace NActors {
         std::unordered_map<ui16, TRope> ChannelMap;
 
         TReceiveContext() {
-            GetTimeFast(&StartTime); 
+            GetTimeFast(&StartTime);
         }
 
         // returns false if sessions needs to be terminated and packet not to be processed
@@ -378,7 +378,7 @@ namespace NActors {
         void SetNewConnection(TEvHandshakeDone::TPtr& ev);
 
         TEvRam* RamInQueue = nullptr;
-        ui64 RamStartedCycles = 0; 
+        ui64 RamStartedCycles = 0;
         void HandleRam(TEvRam::TPtr& ev);
         void GenerateTraffic();
 
@@ -389,7 +389,7 @@ namespace NActors {
         void Handle(TEvPollerRegisterResult::TPtr ev);
         void WriteData();
 
-        ui64 MakePacket(bool data, TMaybe<ui64> pingMask = {}); 
+        ui64 MakePacket(bool data, TMaybe<ui64> pingMask = {});
         void FillSendingBuffer(TTcpPacketOutTask& packet, ui64 serial);
         bool DropConfirmed(ui64 confirm);
         void ShutdownSocket(TDisconnectReason reason);
@@ -452,21 +452,21 @@ namespace NActors {
         TSendQueue SendQueue;
         TSendQueue SendQueueCache;
         TSendQueue::iterator SendQueuePos;
-        ui64 WriteBlockedCycles = 0; // start of current block period 
-        TDuration WriteBlockedTotal; // total incremental duration that session has been blocked 
+        ui64 WriteBlockedCycles = 0; // start of current block period
+        TDuration WriteBlockedTotal; // total incremental duration that session has been blocked
         ui64 BytesUnwritten = 0;
 
         void TrimSendQueueCache();
 
-        TDuration GetWriteBlockedTotal() const { 
+        TDuration GetWriteBlockedTotal() const {
             if (ReceiveContext->WriteBlockedByFullSendBuffer) {
-                double blockedUs = NHPTimer::GetSeconds(GetCycleCountFast() - WriteBlockedCycles) * 1000000.0; 
-                return WriteBlockedTotal + TDuration::MicroSeconds(blockedUs); // append current blocking period if any 
-            } else { 
-                return WriteBlockedTotal; 
-            } 
-        } 
- 
+                double blockedUs = NHPTimer::GetSeconds(GetCycleCountFast() - WriteBlockedCycles) * 1000000.0;
+                return WriteBlockedTotal + TDuration::MicroSeconds(blockedUs); // append current blocking period if any
+            } else {
+                return WriteBlockedTotal;
+            }
+        }
+
         ui64 OutputCounter;
         ui64 LastSentSerial = 0;
 
diff --git a/library/cpp/actors/interconnect/packet.cpp b/library/cpp/actors/interconnect/packet.cpp
index 55c9679414..e2c289ed59 100644
--- a/library/cpp/actors/interconnect/packet.cpp
+++ b/library/cpp/actors/interconnect/packet.cpp
@@ -1,11 +1,11 @@
 #include "packet.h"
 
-#include <library/cpp/actors/core/probes.h> 
- 
+#include <library/cpp/actors/core/probes.h>
+
 #include <util/system/datetime.h>
 
-LWTRACE_USING(ACTORLIB_PROVIDER); 
- 
+LWTRACE_USING(ACTORLIB_PROVIDER);
+
 ui32 TEventHolder::Fill(IEventHandle& ev) {
     Serial = 0;
     Descr.Type = ev.Type;
@@ -27,6 +27,6 @@ ui32 TEventHolder::Fill(IEventHandle& ev) {
     } else {
         EventSerializedSize = 0;
     }
- 
+
     return EventSerializedSize;
 }
diff --git a/library/cpp/actors/interconnect/packet.h b/library/cpp/actors/interconnect/packet.h
index f062633b0b..4ba50a2b5f 100644
--- a/library/cpp/actors/interconnect/packet.h
+++ b/library/cpp/actors/interconnect/packet.h
@@ -8,7 +8,7 @@
 #include <library/cpp/actors/util/rope.h>
 #include <library/cpp/actors/prof/tag.h>
 #include <library/cpp/digest/crc32c/crc32c.h>
-#include <library/cpp/lwtrace/shuttle.h> 
+#include <library/cpp/lwtrace/shuttle.h>
 #include <util/generic/string.h>
 #include <util/generic/list.h>
 
@@ -108,7 +108,7 @@ struct TEventHolder : TNonCopyable {
     ui64 Serial;
     ui32 EventSerializedSize;
     ui32 EventActuallySerialized;
-    mutable NLWTrace::TOrbit Orbit; 
+    mutable NLWTrace::TOrbit Orbit;
 
     ui32 Fill(IEventHandle& ev);
 
@@ -136,7 +136,7 @@ struct TEventHolder : TNonCopyable {
     void Clear() {
         Event.Reset();
         Buffer.Reset();
-        Orbit.Reset(); 
+        Orbit.Reset();
     }
 };
 
@@ -154,7 +154,7 @@ struct TTcpPacketOutTask : TNonCopyable {
     bool TriedWriting;
     char *FreeArea;
     char *End;
-    mutable NLWTrace::TOrbit Orbit; 
+    mutable NLWTrace::TOrbit Orbit;
 
 public:
     TTcpPacketOutTask(const TSessionParams& params)
@@ -189,7 +189,7 @@ public:
         TriedWriting = false;
         FreeArea = Params.UseModernFrame ? Packet.v2.Data : Packet.v1.Data;
         End = FreeArea + TTcpPacketBuf::PacketDataLen;
-        Orbit.Reset(); 
+        Orbit.Reset();
     }
 
     bool IsEmpty() const {
diff --git a/library/cpp/actors/interconnect/poller_actor.cpp b/library/cpp/actors/interconnect/poller_actor.cpp
index ef363b208e..e75cbcaef4 100644
--- a/library/cpp/actors/interconnect/poller_actor.cpp
+++ b/library/cpp/actors/interconnect/poller_actor.cpp
@@ -5,7 +5,7 @@
 #include <library/cpp/actors/core/actorsystem.h>
 #include <library/cpp/actors/core/hfunc.h>
 #include <library/cpp/actors/core/log.h>
-#include <library/cpp/actors/core/probes.h> 
+#include <library/cpp/actors/core/probes.h>
 #include <library/cpp/actors/protos/services_common.pb.h>
 #include <library/cpp/actors/util/funnel_queue.h>
 
@@ -17,9 +17,9 @@
 #include <variant>
 
 namespace NActors {
- 
-    LWTRACE_USING(ACTORLIB_PROVIDER); 
- 
+
+    LWTRACE_USING(ACTORLIB_PROVIDER);
+
     namespace {
         int LastSocketError() {
 #if defined(_win_)
diff --git a/library/cpp/actors/interconnect/profiler.h b/library/cpp/actors/interconnect/profiler.h
index d9192e1559..77a59e3179 100644
--- a/library/cpp/actors/interconnect/profiler.h
+++ b/library/cpp/actors/interconnect/profiler.h
@@ -1,7 +1,7 @@
 #pragma once
 
-#include <library/cpp/actors/util/datetime.h> 
- 
+#include <library/cpp/actors/util/datetime.h>
+
 namespace NActors {
 
     class TProfiled {
@@ -14,7 +14,7 @@ namespace NActors {
             EType Type; // entry kind
             int Line;
             const char *Marker; // name of the profiled function/part
-            ui64 Timestamp; // cycles 
+            ui64 Timestamp; // cycles
         };
 
         bool Enable = false;
@@ -44,7 +44,7 @@ namespace NActors {
                         type,
                         line,
                         marker,
-                        GetCycleCountFast() 
+                        GetCycleCountFast()
                     });
                 }
             }
diff --git a/library/cpp/actors/memory_log/memlog.cpp b/library/cpp/actors/memory_log/memlog.cpp
index a7ffa24623..8e6b46727d 100644
--- a/library/cpp/actors/memory_log/memlog.cpp
+++ b/library/cpp/actors/memory_log/memlog.cpp
@@ -1,7 +1,7 @@
 #include "memlog.h"
 
-#include <library/cpp/actors/util/datetime.h> 
- 
+#include <library/cpp/actors/util/datetime.h>
+
 #include <util/system/info.h>
 #include <util/system/atomic.h>
 #include <util/system/align.h>
@@ -270,7 +270,7 @@ bool MemLogWrite(const char* begin, size_t msgSize, bool addLF) noexcept {
     Y_VERIFY(AlignDown(&prolog, TMemoryLog::MemcpyAlignment) == &prolog);
 
     int snprintfResult = snprintf(prolog, prologSize + 1,
-                                  "TS %020" PRIu64 " TI %020" PRIu64 " ", GetCycleCountFast(), threadId); 
+                                  "TS %020" PRIu64 " TI %020" PRIu64 " ", GetCycleCountFast(), threadId);
 
     if (snprintfResult < 0) {
         return false;
@@ -341,7 +341,7 @@ bool MemLogVPrintF(const char* format, va_list params) noexcept {
     int prologSize = snprintf(buf,
                               TMemoryLog::MAX_MESSAGE_SIZE - 2,
                               "TS %020" PRIu64 " TI %020" PRIu64 " ",
-                              GetCycleCountFast(), 
+                              GetCycleCountFast(),
                               threadId);
 
     if (Y_UNLIKELY(prologSize < 0)) {
diff --git a/library/cpp/actors/testlib/test_runtime.cpp b/library/cpp/actors/testlib/test_runtime.cpp
index 008e25b416..6fa25b9965 100644
--- a/library/cpp/actors/testlib/test_runtime.cpp
+++ b/library/cpp/actors/testlib/test_runtime.cpp
@@ -6,7 +6,7 @@
 #include <library/cpp/actors/core/executor_pool_io.h>
 #include <library/cpp/actors/core/log.h>
 #include <library/cpp/actors/core/scheduler_basic.h>
-#include <library/cpp/actors/util/datetime.h> 
+#include <library/cpp/actors/util/datetime.h>
 #include <library/cpp/actors/protos/services_common.pb.h>
 #include <library/cpp/random_provider/random_provider.h>
 #include <library/cpp/actors/interconnect/interconnect.h>
@@ -248,7 +248,7 @@ namespace NActors {
             Node->ActorSystemMonotonic = currentMonotonic;
         }
 
-        void PrepareSchedules(NSchedulerQueue::TReader **readers, ui32 scheduleReadersCount) override { 
+        void PrepareSchedules(NSchedulerQueue::TReader **readers, ui32 scheduleReadersCount) override {
             Y_UNUSED(readers);
             Y_UNUSED(scheduleReadersCount);
         }
@@ -282,33 +282,33 @@ namespace NActors {
         }
 
         // for threads
-        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) override { 
-            Y_UNUSED(wctx); 
+        ui32 GetReadyActivation(TWorkerContext& wctx, ui64 revolvingCounter) override {
+            Y_UNUSED(wctx);
             Y_UNUSED(revolvingCounter);
             Y_FAIL();
         }
 
-        void ReclaimMailbox(TMailboxType::EType mailboxType, ui32 hint, TWorkerId workerId, ui64 revolvingCounter) override { 
-            Y_UNUSED(workerId); 
+        void ReclaimMailbox(TMailboxType::EType mailboxType, ui32 hint, TWorkerId workerId, ui64 revolvingCounter) override {
+            Y_UNUSED(workerId);
             Node->MailboxTable->ReclaimMailbox(mailboxType, hint, revolvingCounter);
         }
 
-        void Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie *cookie, TWorkerId workerId) override { 
-            DoSchedule(deadline, ev, cookie, workerId); 
+        void Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie *cookie, TWorkerId workerId) override {
+            DoSchedule(deadline, ev, cookie, workerId);
         }
 
-        void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie *cookie, TWorkerId workerId) override { 
-            DoSchedule(TInstant::FromValue(deadline.GetValue()), ev, cookie, workerId); 
+        void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie *cookie, TWorkerId workerId) override {
+            DoSchedule(TInstant::FromValue(deadline.GetValue()), ev, cookie, workerId);
         }
 
-        void Schedule(TDuration delay, TAutoPtr<IEventHandle> ev, ISchedulerCookie *cookie, TWorkerId workerId) override { 
+        void Schedule(TDuration delay, TAutoPtr<IEventHandle> ev, ISchedulerCookie *cookie, TWorkerId workerId) override {
             TInstant deadline = Runtime->GetTimeProvider()->Now() + delay;
-            DoSchedule(deadline, ev, cookie, workerId); 
+            DoSchedule(deadline, ev, cookie, workerId);
         }
 
-        void DoSchedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie *cookie, TWorkerId workerId) { 
-            Y_UNUSED(workerId); 
- 
+        void DoSchedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie *cookie, TWorkerId workerId) {
+            Y_UNUSED(workerId);
+
             TGuard<TMutex> guard(Runtime->Mutex);
             bool verbose = (Runtime->CurrentDispatchContext ? !Runtime->CurrentDispatchContext->Options->Quiet : true) && VERBOSE;
             if (Runtime->BlockedOutput.find(ev->Sender) != Runtime->BlockedOutput.end()) {
@@ -372,7 +372,7 @@ namespace NActors {
                         TMailboxHeader* mailbox = node->MailboxTable->Get(mailboxHint);
                         IActor* recipientActor = mailbox->FindActor(ev->GetRecipientRewrite().LocalId());
                         if (recipientActor) {
-                            TActorContext ctx(*mailbox, *node->ExecutorThread, GetCycleCountFast(), ev->GetRecipientRewrite()); 
+                            TActorContext ctx(*mailbox, *node->ExecutorThread, GetCycleCountFast(), ev->GetRecipientRewrite());
                             TActivationContext *prevTlsActivationContext = TlsActivationContext;
                             TlsActivationContext = &ctx;
                             recipientActor->Receive(ev, ctx);
@@ -412,7 +412,7 @@ namespace NActors {
         }
 
         // lifecycle stuff
-        void Prepare(TActorSystem *actorSystem, NSchedulerQueue::TReader **scheduleReaders, ui32 *scheduleSz) override { 
+        void Prepare(TActorSystem *actorSystem, NSchedulerQueue::TReader **scheduleReaders, ui32 *scheduleSz) override {
             Y_UNUSED(actorSystem);
             Y_UNUSED(scheduleReaders);
             Y_UNUSED(scheduleSz);
@@ -507,7 +507,7 @@ namespace NActors {
             node->SchedulerPool.Reset(CreateExecutorPoolStub(this, nodeIndex, node, 0));
             node->MailboxTable.Reset(new TMailboxTable());
             node->ActorSystem = MakeActorSystem(nodeIndex, node);
-            node->ExecutorThread.Reset(new TExecutorThread(0, 0, node->ActorSystem.Get(), node->SchedulerPool.Get(), node->MailboxTable.Get(), "TestExecutor")); 
+            node->ExecutorThread.Reset(new TExecutorThread(0, 0, node->ActorSystem.Get(), node->SchedulerPool.Get(), node->MailboxTable.Get(), "TestExecutor"));
         } else {
             node->ActorSystem = MakeActorSystem(nodeIndex, node);
         }
@@ -904,19 +904,19 @@ namespace NActors {
 
         switch (mailboxType) {
         case TMailboxType::Simple:
-            UnlockFromExecution((TMailboxTable::TSimpleMailbox *)mailbox, node->ExecutorPools[0], false, hint, MaxWorkers, ++revolvingCounter); 
+            UnlockFromExecution((TMailboxTable::TSimpleMailbox *)mailbox, node->ExecutorPools[0], false, hint, MaxWorkers, ++revolvingCounter);
             break;
         case TMailboxType::Revolving:
-            UnlockFromExecution((TMailboxTable::TRevolvingMailbox *)mailbox, node->ExecutorPools[0], false, hint, MaxWorkers, ++revolvingCounter); 
+            UnlockFromExecution((TMailboxTable::TRevolvingMailbox *)mailbox, node->ExecutorPools[0], false, hint, MaxWorkers, ++revolvingCounter);
             break;
         case TMailboxType::HTSwap:
-            UnlockFromExecution((TMailboxTable::THTSwapMailbox *)mailbox, node->ExecutorPools[0], false, hint, MaxWorkers, ++revolvingCounter); 
+            UnlockFromExecution((TMailboxTable::THTSwapMailbox *)mailbox, node->ExecutorPools[0], false, hint, MaxWorkers, ++revolvingCounter);
             break;
         case TMailboxType::ReadAsFilled:
-            UnlockFromExecution((TMailboxTable::TReadAsFilledMailbox *)mailbox, node->ExecutorPools[0], false, hint, MaxWorkers, ++revolvingCounter); 
+            UnlockFromExecution((TMailboxTable::TReadAsFilledMailbox *)mailbox, node->ExecutorPools[0], false, hint, MaxWorkers, ++revolvingCounter);
             break;
         case TMailboxType::TinyReadAsFilled:
-            UnlockFromExecution((TMailboxTable::TTinyReadAsFilledMailbox *)mailbox, node->ExecutorPools[0], false, hint, MaxWorkers, ++revolvingCounter); 
+            UnlockFromExecution((TMailboxTable::TTinyReadAsFilledMailbox *)mailbox, node->ExecutorPools[0], false, hint, MaxWorkers, ++revolvingCounter);
             break;
         default:
             Y_FAIL("Unsupported mailbox type");
@@ -1029,13 +1029,13 @@ namespace NActors {
     }
 
     bool TTestActorRuntimeBase::DispatchEvents(const TDispatchOptions& options) {
-        return DispatchEvents(options, TInstant::Max()); 
-    } 
- 
+        return DispatchEvents(options, TInstant::Max());
+    }
+
     bool TTestActorRuntimeBase::DispatchEvents(const TDispatchOptions& options, TDuration simTimeout) {
-        return DispatchEvents(options, TInstant::MicroSeconds(CurrentTimestamp) + simTimeout); 
-    } 
- 
+        return DispatchEvents(options, TInstant::MicroSeconds(CurrentTimestamp) + simTimeout);
+    }
+
     bool TTestActorRuntimeBase::DispatchEvents(const TDispatchOptions& options, TInstant simDeadline) {
         TGuard<TMutex> guard(Mutex);
         return DispatchEventsInternal(options, simDeadline);
@@ -1251,7 +1251,7 @@ namespace NActors {
             }
 
             if (!localContext.FoundNonEmptyMailboxes.empty())
-                return true; 
+                return true;
 
             if (options.CustomFinalCondition && options.CustomFinalCondition())
                 return true;
@@ -1266,15 +1266,15 @@ namespace NActors {
                             Cerr << "Dispatch complete with non-empty queue at " << TInstant::MicroSeconds(CurrentTimestamp) << "\n";
                         }
 
-                        return true; 
+                        return true;
                     }
                 }
             }
 
-            if (TInstant::MicroSeconds(CurrentTimestamp) > simDeadline) { 
-                return false; 
-            } 
- 
+            if (TInstant::MicroSeconds(CurrentTimestamp) > simDeadline) {
+                return false;
+            }
+
             if (dispatchTime >= deadline) {
                 if (verbose) {
                     Cerr << "Reach deadline at " << TInstant::MicroSeconds(CurrentTimestamp) << "\n";
@@ -1333,7 +1333,7 @@ namespace NActors {
                         Cerr << "Process selected events at " << TInstant::MicroSeconds(CurrentTimestamp) << "\n";
                     }
 
-                    deadline = dispatchTime +  DispatchTimeout; 
+                    deadline = dispatchTime +  DispatchTimeout;
                     continue;
                 }
 
@@ -1351,7 +1351,7 @@ namespace NActors {
             dispatchTime += waitDelay;
             MailboxesHasEvents.WaitT(Mutex, waitDelay);
         }
-        return false; 
+        return false;
     }
 
     void TTestActorRuntimeBase::HandleNonEmptyMailboxesForEachContext(TEventMailboxId mboxId) {
@@ -1452,8 +1452,8 @@ namespace NActors {
             ++dispatchCount;
             {
                 if (!DispatchEventsInternal(TDispatchOptions(), deadline)) {
-                    return; // Timed out; event was not found 
-                } 
+                    return; // Timed out; event was not found
+                }
             }
 
             Y_VERIFY(dispatchCount < 1000, "Hard limit to prevent endless loop");
@@ -1572,7 +1572,7 @@ namespace NActors {
             // Save actorId by value in order to prevent ctx from being invalidated during another Send call.
             TActorId actorId = ev->GetRecipientRewrite();
             node->ActorToActorId[recipientActor] = ev->GetRecipientRewrite();
-            TActorContext ctx(*mailbox, *node->ExecutorThread, GetCycleCountFast(), actorId); 
+            TActorContext ctx(*mailbox, *node->ExecutorThread, GetCycleCountFast(), actorId);
             TActivationContext *prevTlsActivationContext = TlsActivationContext;
             TlsActivationContext = &ctx;
             CurrentRecipient = actorId;
diff --git a/library/cpp/actors/testlib/test_runtime.h b/library/cpp/actors/testlib/test_runtime.h
index 863e2cdb49..26e3b45c98 100644
--- a/library/cpp/actors/testlib/test_runtime.h
+++ b/library/cpp/actors/testlib/test_runtime.h
@@ -253,9 +253,9 @@ namespace NActors {
         void PushEventsFront(TEventsList& events);
         void PushMailboxEventsFront(ui32 hint, ui32 nodeId, TEventsList& events);
         // doesn't dispatch events for edge actors
-        bool DispatchEvents(const TDispatchOptions& options = TDispatchOptions()); 
-        bool DispatchEvents(const TDispatchOptions& options, TDuration simTimeout); 
-        bool DispatchEvents(const TDispatchOptions& options, TInstant simDeadline); 
+        bool DispatchEvents(const TDispatchOptions& options = TDispatchOptions());
+        bool DispatchEvents(const TDispatchOptions& options, TDuration simTimeout);
+        bool DispatchEvents(const TDispatchOptions& options, TInstant simDeadline);
         void Send(IEventHandle* ev, ui32 senderNodeIndex = 0, bool viaActorSystem = false);
         void Schedule(IEventHandle* ev, const TDuration& duration, ui32 nodeIndex = 0);
         void ClearCounters();
@@ -288,7 +288,7 @@ namespace NActors {
         TActorSystem* GetAnyNodeActorSystem();
         TActorSystem* GetActorSystem(ui32 nodeId);
         template <typename TEvent>
-        TEvent* GrabEdgeEventIf(TAutoPtr<IEventHandle>& handle, std::function<bool(const TEvent&)> predicate, TDuration simTimeout = TDuration::Max()) { 
+        TEvent* GrabEdgeEventIf(TAutoPtr<IEventHandle>& handle, std::function<bool(const TEvent&)> predicate, TDuration simTimeout = TDuration::Max()) {
             handle.Destroy();
             const ui32 eventType = TEvent::EventType;
             WaitForEdgeEvents([&](TTestActorRuntimeBase& runtime, TAutoPtr<IEventHandle>& event) {
@@ -305,14 +305,14 @@ namespace NActors {
                 return false;
             }, {}, simTimeout);
 
-            if (simTimeout == TDuration::Max()) 
+            if (simTimeout == TDuration::Max())
                 Y_VERIFY(handle);
- 
-            if (handle) { 
-                return reinterpret_cast<TAutoPtr<TEventHandle<TEvent>>&>(handle)->Get(); 
-            } else { 
-                return nullptr; 
-            } 
+
+            if (handle) {
+                return reinterpret_cast<TAutoPtr<TEventHandle<TEvent>>&>(handle)->Get();
+            } else {
+                return nullptr;
+            }
         }
 
         template<class TEvent>
@@ -354,9 +354,9 @@ namespace NActors {
         }
 
         template <typename TEvent>
-        TEvent* GrabEdgeEvent(TAutoPtr<IEventHandle>& handle, TDuration simTimeout = TDuration::Max()) { 
+        TEvent* GrabEdgeEvent(TAutoPtr<IEventHandle>& handle, TDuration simTimeout = TDuration::Max()) {
             std::function<bool(const TEvent&)> truth = [](const TEvent&) { return true; };
-            return GrabEdgeEventIf(handle, truth, simTimeout); 
+            return GrabEdgeEventIf(handle, truth, simTimeout);
         }
 
         template <typename TEvent>
@@ -400,9 +400,9 @@ namespace NActors {
         }
 
         template <typename TEvent>
-        TEvent* GrabEdgeEventRethrow(TAutoPtr<IEventHandle>& handle, TDuration simTimeout = TDuration::Max()) { 
+        TEvent* GrabEdgeEventRethrow(TAutoPtr<IEventHandle>& handle, TDuration simTimeout = TDuration::Max()) {
             try {
-                return GrabEdgeEvent<TEvent>(handle, simTimeout); 
+                return GrabEdgeEvent<TEvent>(handle, simTimeout);
             } catch (...) {
                 ythrow TWithBackTrace<yexception>() << "Exception occured while waiting for " << TypeName<TEvent>() << ": " << CurrentExceptionMessage();
             }
diff --git a/library/cpp/actors/util/affinity.cpp b/library/cpp/actors/util/affinity.cpp
index 69f9048ec1..cc1b6e70ec 100644
--- a/library/cpp/actors/util/affinity.cpp
+++ b/library/cpp/actors/util/affinity.cpp
@@ -16,17 +16,17 @@ public:
 #endif
     }
 
-    explicit TImpl(const ui8* cpus, ui32 size) { 
+    explicit TImpl(const ui8* cpus, ui32 size) {
 #ifdef _linux_
         CPU_ZERO(&Mask);
-        for (ui32 i = 0; i != size; ++i) { 
-            if (cpus[i]) { 
-                CPU_SET(i, &Mask); 
-            } 
-        } 
+        for (ui32 i = 0; i != size; ++i) {
+            if (cpus[i]) {
+                CPU_SET(i, &Mask);
+            }
+        }
 #else
-        Y_UNUSED(cpus); 
-        Y_UNUSED(size); 
+        Y_UNUSED(cpus);
+        Y_UNUSED(size);
 #endif
     }
 
@@ -36,18 +36,18 @@ public:
         Y_VERIFY_DEBUG(ar == 0);
 #endif
     }
- 
-    operator TCpuMask() const { 
-        TCpuMask result; 
-#ifdef _linux_ 
-        for (ui32 i = 0; i != CPU_SETSIZE; ++i) { 
-            result.Cpus.emplace_back(CPU_ISSET(i, &Mask)); 
-        } 
-        result.RemoveTrailingZeros(); 
-#endif 
-        return result; 
-    } 
- 
+
+    operator TCpuMask() const {
+        TCpuMask result;
+#ifdef _linux_
+        for (ui32 i = 0; i != CPU_SETSIZE; ++i) {
+            result.Cpus.emplace_back(CPU_ISSET(i, &Mask));
+        }
+        result.RemoveTrailingZeros();
+#endif
+        return result;
+    }
+
 };
 
 TAffinity::TAffinity() {
@@ -57,37 +57,37 @@ TAffinity::~TAffinity() {
 }
 
 TAffinity::TAffinity(const ui8* x, ui32 sz) {
-    if (x && sz) { 
+    if (x && sz) {
+        Impl.Reset(new TImpl(x, sz));
+    }
+}
+
+TAffinity::TAffinity(const TCpuMask& mask) {
+    if (!mask.IsEmpty()) {
+        static_assert(sizeof(ui8) == sizeof(mask.Cpus[0]));
+        const ui8* x = reinterpret_cast<const ui8*>(&mask.Cpus[0]);
+        const ui32 sz = mask.Size();
         Impl.Reset(new TImpl(x, sz));
-    } 
+    }
 }
 
-TAffinity::TAffinity(const TCpuMask& mask) { 
-    if (!mask.IsEmpty()) { 
-        static_assert(sizeof(ui8) == sizeof(mask.Cpus[0])); 
-        const ui8* x = reinterpret_cast<const ui8*>(&mask.Cpus[0]); 
-        const ui32 sz = mask.Size(); 
-        Impl.Reset(new TImpl(x, sz)); 
-    } 
-} 
- 
 void TAffinity::Current() {
     Impl.Reset(new TImpl());
 }
 
 void TAffinity::Set() const {
-    if (!!Impl) { 
+    if (!!Impl) {
         Impl->Set();
-    } 
+    }
 }
 
 bool TAffinity::Empty() const {
-    return !Impl; 
+    return !Impl;
+}
+
+TAffinity::operator TCpuMask() const {
+    if (!!Impl) {
+        return *Impl;
+    }
+    return TCpuMask();
 }
- 
-TAffinity::operator TCpuMask() const { 
-    if (!!Impl) { 
-        return *Impl; 
-    } 
-    return TCpuMask(); 
-} 
diff --git a/library/cpp/actors/util/affinity.h b/library/cpp/actors/util/affinity.h
index c807d03b76..ae106ed180 100644
--- a/library/cpp/actors/util/affinity.h
+++ b/library/cpp/actors/util/affinity.h
@@ -1,27 +1,27 @@
 #pragma once
 
 #include "defs.h"
-#include "cpumask.h" 
+#include "cpumask.h"
 
-// Platform-specific class to set or get thread affinity 
+// Platform-specific class to set or get thread affinity
 class TAffinity: public TThrRefBase, TNonCopyable {
     class TImpl;
     THolder<TImpl> Impl;
 
 public:
     TAffinity();
-    TAffinity(const ui8* cpus, ui32 size); 
-    explicit TAffinity(const TCpuMask& mask); 
+    TAffinity(const ui8* cpus, ui32 size);
+    explicit TAffinity(const TCpuMask& mask);
     ~TAffinity();
 
     void Current();
     void Set() const;
     bool Empty() const;
- 
-    operator TCpuMask() const; 
+
+    operator TCpuMask() const;
 };
 
-// Scoped affinity setter 
+// Scoped affinity setter
 class TAffinityGuard : TNonCopyable {
     bool Stacked;
     TAffinity OldAffinity;
diff --git a/library/cpp/actors/util/cpumask.h b/library/cpp/actors/util/cpumask.h
index 1f72ae3895..29741aa1d6 100644
--- a/library/cpp/actors/util/cpumask.h
+++ b/library/cpp/actors/util/cpumask.h
@@ -1,133 +1,133 @@
-#pragma once 
- 
-#include "defs.h" 
- 
-#include <library/cpp/containers/stack_vector/stack_vec.h> 
- 
-#include <util/string/split.h> 
-#include <util/generic/yexception.h> 
- 
-using TCpuId = ui32; 
- 
-// Simple data structure to operate with set of cpus 
-struct TCpuMask { 
-    TStackVec<bool, 1024> Cpus; 
- 
-    // Creates empty mask 
-    TCpuMask() {} 
- 
-    // Creates mask with single cpu set 
-    explicit TCpuMask(TCpuId cpuId) { 
-        Set(cpuId); 
-    } 
- 
-    // Initialize mask from raw boolean array 
-    template <class T> 
-    TCpuMask(const T* cpus, TCpuId size) { 
-        Cpus.reserve(size); 
-        for (TCpuId i = 0; i != size; ++i) { 
-            Cpus.emplace_back(bool(cpus[i])); 
-        } 
-    } 
- 
-    // Parse a numerical list of processors. The numbers are separated by commas and may include ranges. For example: 0,5,7,9-11 
-    explicit TCpuMask(const TString& cpuList) { 
-        try { 
-            for (TStringBuf s : StringSplitter(cpuList).Split(',')) { 
-                TCpuId l, r; 
-                if (s.find('-') != TString::npos) { 
-                    StringSplitter(s).Split('-').CollectInto(&l, &r); 
-                } else { 
-                    l = r = FromString<TCpuId>(s); 
-                } 
-                if (r >= Cpus.size()) { 
-                    Cpus.resize(r + 1, false); 
-                } 
-                for (TCpuId cpu = l; cpu <= r; cpu++) { 
-                    Cpus[cpu] = true; 
-                } 
-            } 
-        } catch (...) { 
-            ythrow TWithBackTrace<yexception>() << "Exception occured while parsing cpu list '" << cpuList << "': " << CurrentExceptionMessage(); 
-        } 
-    } 
- 
-    // Returns size of underlying vector 
-    TCpuId Size() const { 
-        return Cpus.size(); 
-    } 
- 
-    // Returns number of set bits in mask 
-    TCpuId CpuCount() const { 
-        TCpuId result = 0; 
-        for (bool value : Cpus) { 
-            result += value; 
-        } 
-        return result; 
-    } 
- 
-    bool IsEmpty() const { 
-        for (bool value : Cpus) { 
-            if (value) { 
-                return false; 
-            } 
-        } 
-        return true; 
-    } 
- 
-    bool IsSet(TCpuId cpu) const { 
-        return cpu < Cpus.size() && Cpus[cpu]; 
-    } 
- 
-    void Set(TCpuId cpu) { 
-        if (cpu >= Cpus.size()) { 
-            Cpus.resize(cpu + 1, false); 
-        } 
-        Cpus[cpu] = true; 
-    } 
- 
-    void Reset(TCpuId cpu) { 
-        if (cpu < Cpus.size()) { 
-            Cpus[cpu] = false; 
-        } 
-    } 
- 
-    void RemoveTrailingZeros() { 
-        while (!Cpus.empty() && !Cpus.back()) { 
-            Cpus.pop_back(); 
-        } 
-    } 
- 
-    explicit operator bool() const { 
-        return !IsEmpty(); 
-    } 
- 
-    TCpuMask operator &(const TCpuMask& rhs) const { 
-        TCpuMask result; 
-        TCpuId size = Max(Size(), rhs.Size()); 
-        result.Cpus.reserve(size); 
-        for (TCpuId cpu = 0; cpu < size; cpu++) { 
-            result.Cpus.emplace_back(IsSet(cpu) && rhs.IsSet(cpu)); 
-        } 
-        return result; 
-    } 
- 
-    TCpuMask operator |(const TCpuMask& rhs) const { 
-        TCpuMask result; 
-        TCpuId size = Max(Size(), rhs.Size()); 
-        result.Cpus.reserve(size); 
-        for (TCpuId cpu = 0; cpu < size; cpu++) { 
-            result.Cpus.emplace_back(IsSet(cpu) || rhs.IsSet(cpu)); 
-        } 
-        return result; 
-    } 
- 
-    TCpuMask operator -(const TCpuMask& rhs) const { 
-        TCpuMask result; 
-        result.Cpus.reserve(Size()); 
-        for (TCpuId cpu = 0; cpu < Size(); cpu++) { 
-            result.Cpus.emplace_back(IsSet(cpu) && !rhs.IsSet(cpu)); 
-        } 
-        return result; 
-    } 
-}; 
+#pragma once
+
+#include "defs.h"
+
+#include <library/cpp/containers/stack_vector/stack_vec.h>
+
+#include <util/string/split.h>
+#include <util/generic/yexception.h>
+
+using TCpuId = ui32;
+
+// Simple data structure to operate with set of cpus
+struct TCpuMask {
+    TStackVec<bool, 1024> Cpus;
+
+    // Creates empty mask
+    TCpuMask() {}
+
+    // Creates mask with single cpu set
+    explicit TCpuMask(TCpuId cpuId) {
+        Set(cpuId);
+    }
+
+    // Initialize mask from raw boolean array
+    template <class T>
+    TCpuMask(const T* cpus, TCpuId size) {
+        Cpus.reserve(size);
+        for (TCpuId i = 0; i != size; ++i) {
+            Cpus.emplace_back(bool(cpus[i]));
+        }
+    }
+
+    // Parse a numerical list of processors. The numbers are separated by commas and may include ranges. For example: 0,5,7,9-11
+    explicit TCpuMask(const TString& cpuList) {
+        try {
+            for (TStringBuf s : StringSplitter(cpuList).Split(',')) {
+                TCpuId l, r;
+                if (s.find('-') != TString::npos) {
+                    StringSplitter(s).Split('-').CollectInto(&l, &r);
+                } else {
+                    l = r = FromString<TCpuId>(s);
+                }
+                if (r >= Cpus.size()) {
+                    Cpus.resize(r + 1, false);
+                }
+                for (TCpuId cpu = l; cpu <= r; cpu++) {
+                    Cpus[cpu] = true;
+                }
+            }
+        } catch (...) {
+            ythrow TWithBackTrace<yexception>() << "Exception occured while parsing cpu list '" << cpuList << "': " << CurrentExceptionMessage();
+        }
+    }
+
+    // Returns size of underlying vector
+    TCpuId Size() const {
+        return Cpus.size();
+    }
+
+    // Returns number of set bits in mask
+    TCpuId CpuCount() const {
+        TCpuId result = 0;
+        for (bool value : Cpus) {
+            result += value;
+        }
+        return result;
+    }
+
+    bool IsEmpty() const {
+        for (bool value : Cpus) {
+            if (value) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    bool IsSet(TCpuId cpu) const {
+        return cpu < Cpus.size() && Cpus[cpu];
+    }
+
+    void Set(TCpuId cpu) {
+        if (cpu >= Cpus.size()) {
+            Cpus.resize(cpu + 1, false);
+        }
+        Cpus[cpu] = true;
+    }
+
+    void Reset(TCpuId cpu) {
+        if (cpu < Cpus.size()) {
+            Cpus[cpu] = false;
+        }
+    }
+
+    void RemoveTrailingZeros() {
+        while (!Cpus.empty() && !Cpus.back()) {
+            Cpus.pop_back();
+        }
+    }
+
+    explicit operator bool() const {
+        return !IsEmpty();
+    }
+
+    TCpuMask operator &(const TCpuMask& rhs) const {
+        TCpuMask result;
+        TCpuId size = Max(Size(), rhs.Size());
+        result.Cpus.reserve(size);
+        for (TCpuId cpu = 0; cpu < size; cpu++) {
+            result.Cpus.emplace_back(IsSet(cpu) && rhs.IsSet(cpu));
+        }
+        return result;
+    }
+
+    TCpuMask operator |(const TCpuMask& rhs) const {
+        TCpuMask result;
+        TCpuId size = Max(Size(), rhs.Size());
+        result.Cpus.reserve(size);
+        for (TCpuId cpu = 0; cpu < size; cpu++) {
+            result.Cpus.emplace_back(IsSet(cpu) || rhs.IsSet(cpu));
+        }
+        return result;
+    }
+
+    TCpuMask operator -(const TCpuMask& rhs) const {
+        TCpuMask result;
+        result.Cpus.reserve(Size());
+        for (TCpuId cpu = 0; cpu < Size(); cpu++) {
+            result.Cpus.emplace_back(IsSet(cpu) && !rhs.IsSet(cpu));
+        }
+        return result;
+    }
+};
diff --git a/library/cpp/actors/util/datetime.h b/library/cpp/actors/util/datetime.h
index 4bdf57bbde..cbec5965d6 100644
--- a/library/cpp/actors/util/datetime.h
+++ b/library/cpp/actors/util/datetime.h
@@ -1,82 +1,82 @@
-#pragma once 
- 
-#include <util/system/defaults.h> 
-#include <util/system/hp_timer.h> 
-#include <util/system/platform.h> 
- 
-#if defined(_win_) 
-#include <intrin.h> 
-#pragma intrinsic(__rdtsc) 
-#endif // _win_ 
- 
-#if defined(_darwin_) && !defined(_x86_) 
-#include <mach/mach_time.h> 
-#endif 
- 
-// GetCycleCount() from util/system/datetime.h uses rdtscp, which is more accurate than rdtsc, 
-// but rdtscp disables processor's out-of-order execution, so it can be slow 
-Y_FORCE_INLINE ui64 GetCycleCountFast() { 
-#if defined(_MSC_VER) 
-    // Generates the rdtsc instruction, which returns the processor time stamp. 
-    // The processor time stamp records the number of clock cycles since the last reset. 
-    return __rdtsc(); 
-#elif defined(__clang__) && !defined(_arm64_) 
-    return __builtin_readcyclecounter(); 
-#elif defined(_x86_64_) 
-    unsigned hi, lo; 
-    __asm__ __volatile__("rdtsc" 
-                         : "=a"(lo), "=d"(hi)); 
-    return ((unsigned long long)lo) | (((unsigned long long)hi) << 32); 
-#elif defined(_i386_) 
-    ui64 x; 
-    __asm__ volatile("rdtsc\n\t" 
-                     : "=A"(x)); 
-    return x; 
-#elif defined(_darwin_) 
-    return mach_absolute_time(); 
-#elif defined(_arm32_) 
-    return MicroSeconds(); 
-#elif defined(_arm64_) 
-    ui64 x; 
- 
-    __asm__ __volatile__("isb; mrs %0, cntvct_el0" 
-                         : "=r"(x)); 
- 
-    return x; 
-#else 
-#error "unsupported arch" 
-#endif 
-} 
- 
-// NHPTimer::GetTime fast analog 
-Y_FORCE_INLINE void GetTimeFast(NHPTimer::STime* pTime) noexcept { 
-    *pTime = GetCycleCountFast(); 
-} 
- 
-namespace NActors { 
-    inline double Ts2Ns(ui64 ts) { 
-        return NHPTimer::GetSeconds(ts) * 1e9; 
-    } 
- 
-    inline double Ts2Us(ui64 ts) { 
-        return NHPTimer::GetSeconds(ts) * 1e6; 
-    } 
- 
-    inline double Ts2Ms(ui64 ts) { 
-        return NHPTimer::GetSeconds(ts) * 1e3; 
-    } 
- 
-    inline ui64 Us2Ts(double us) { 
-        return ui64(NHPTimer::GetClockRate() * us / 1e6); 
-    } 
- 
-    struct TTimeTracker { 
-        ui64 Ts; 
-        TTimeTracker(): Ts(GetCycleCountFast()) {} 
-        ui64 Elapsed() { 
-            ui64 ts = GetCycleCountFast(); 
-            std::swap(Ts, ts); 
-            return Ts - ts; 
-        } 
-    }; 
-} 
+#pragma once
+
+#include <util/system/defaults.h>
+#include <util/system/hp_timer.h>
+#include <util/system/platform.h>
+
+#if defined(_win_)
+#include <intrin.h>
+#pragma intrinsic(__rdtsc)
+#endif // _win_
+
+#if defined(_darwin_) && !defined(_x86_)
+#include <mach/mach_time.h>
+#endif
+
+// GetCycleCount() from util/system/datetime.h uses rdtscp, which is more accurate than rdtsc,
+// but rdtscp disables processor's out-of-order execution, so it can be slow
+Y_FORCE_INLINE ui64 GetCycleCountFast() {
+#if defined(_MSC_VER)
+    // Generates the rdtsc instruction, which returns the processor time stamp.
+    // The processor time stamp records the number of clock cycles since the last reset.
+    return __rdtsc();
+#elif defined(__clang__) && !defined(_arm64_)
+    return __builtin_readcyclecounter();
+#elif defined(_x86_64_)
+    unsigned hi, lo;
+    __asm__ __volatile__("rdtsc"
+                         : "=a"(lo), "=d"(hi));
+    return ((unsigned long long)lo) | (((unsigned long long)hi) << 32);
+#elif defined(_i386_)
+    ui64 x;
+    __asm__ volatile("rdtsc\n\t"
+                     : "=A"(x));
+    return x;
+#elif defined(_darwin_)
+    return mach_absolute_time();
+#elif defined(_arm32_)
+    return MicroSeconds();
+#elif defined(_arm64_)
+    ui64 x;
+
+    __asm__ __volatile__("isb; mrs %0, cntvct_el0"
+                         : "=r"(x));
+
+    return x;
+#else
+#error "unsupported arch"
+#endif
+}
+
+// NHPTimer::GetTime fast analog
+Y_FORCE_INLINE void GetTimeFast(NHPTimer::STime* pTime) noexcept {
+    *pTime = GetCycleCountFast();
+}
+
+namespace NActors {
+    inline double Ts2Ns(ui64 ts) {
+        return NHPTimer::GetSeconds(ts) * 1e9;
+    }
+
+    inline double Ts2Us(ui64 ts) {
+        return NHPTimer::GetSeconds(ts) * 1e6;
+    }
+
+    inline double Ts2Ms(ui64 ts) {
+        return NHPTimer::GetSeconds(ts) * 1e3;
+    }
+
+    inline ui64 Us2Ts(double us) {
+        return ui64(NHPTimer::GetClockRate() * us / 1e6);
+    }
+
+    struct TTimeTracker {
+        ui64 Ts;
+        TTimeTracker(): Ts(GetCycleCountFast()) {}
+        ui64 Elapsed() {
+            ui64 ts = GetCycleCountFast();
+            std::swap(Ts, ts);
+            return Ts - ts;
+        }
+    };
+}
diff --git a/library/cpp/actors/util/thread.h b/library/cpp/actors/util/thread.h
index 4cab922647..d742c8c585 100644
--- a/library/cpp/actors/util/thread.h
+++ b/library/cpp/actors/util/thread.h
@@ -5,7 +5,7 @@
 #include <util/system/execpath.h>
 #include <util/system/thread.h>
 #include <util/system/thread.h>
-#include <time.h> 
+#include <time.h>
 
 inline void SetCurrentThreadName(const TString& name,
                                  const ui32 maxCharsFromProcessName = 8) {
diff --git a/library/cpp/actors/util/timerfd.h b/library/cpp/actors/util/timerfd.h
index a9b35ff9e7..3189e2a672 100644
--- a/library/cpp/actors/util/timerfd.h
+++ b/library/cpp/actors/util/timerfd.h
@@ -1,65 +1,65 @@
-#pragma once 
- 
-#include "datetime.h" 
- 
-#include <util/generic/noncopyable.h> 
- 
-#ifdef _linux_ 
- 
-#include <util/system/yassert.h> 
-#include <errno.h> 
-#include <sys/timerfd.h> 
- 
-struct TTimerFd: public TNonCopyable { 
-    int Fd; 
- 
-    TTimerFd() { 
-        Fd = timerfd_create(CLOCK_MONOTONIC, 0); 
-        Y_VERIFY(Fd != -1, "timerfd_create(CLOCK_MONOTONIC, 0) -> -1; errno:%d: %s", int(errno), strerror(errno)); 
-    } 
- 
-    ~TTimerFd() { 
-        close(Fd); 
-    } 
- 
-    void Set(ui64 ts) { 
-        ui64 now = GetCycleCountFast(); 
-        Arm(now >= ts? 1: NHPTimer::GetSeconds(ts - now) * 1e9); 
-    } 
- 
-    void Reset() { 
-        Arm(0); // disarm timer 
-    } 
- 
-    void Wait() { 
-        ui64 expirations; 
-        ssize_t s = read(Fd, &expirations, sizeof(ui64)); 
-        Y_UNUSED(s); // Y_VERIFY(s == sizeof(ui64)); 
-    } 
- 
-    void Wake() { 
-        Arm(1); 
-    } 
-private: 
-    void Arm(ui64 ns) { 
-        struct itimerspec spec; 
-        spec.it_value.tv_sec = ns / 1'000'000'000; 
-        spec.it_value.tv_nsec = ns % 1'000'000'000; 
-        spec.it_interval.tv_sec = 0; 
-        spec.it_interval.tv_nsec = 0; 
-        int ret = timerfd_settime(Fd, 0, &spec, nullptr); 
-        Y_VERIFY(ret != -1, "timerfd_settime(%d, 0, %" PRIu64 "ns, 0) -> %d; errno:%d: %s", Fd, ns, ret, int(errno), strerror(errno)); 
-    } 
-}; 
- 
-#else 
- 
-struct TTimerFd: public TNonCopyable { 
-    int Fd = 0; 
-    void Set(ui64) {} 
-    void Reset() {} 
-    void Wait() {} 
-    void Wake() {} 
-}; 
- 
-#endif 
+#pragma once
+
+#include "datetime.h"
+
+#include <util/generic/noncopyable.h>
+
+#ifdef _linux_
+
+#include <util/system/yassert.h>
+#include <errno.h>
+#include <sys/timerfd.h>
+
+struct TTimerFd: public TNonCopyable {
+    int Fd;
+
+    TTimerFd() {
+        Fd = timerfd_create(CLOCK_MONOTONIC, 0);
+        Y_VERIFY(Fd != -1, "timerfd_create(CLOCK_MONOTONIC, 0) -> -1; errno:%d: %s", int(errno), strerror(errno));
+    }
+
+    ~TTimerFd() {
+        close(Fd);
+    }
+
+    void Set(ui64 ts) {
+        ui64 now = GetCycleCountFast();
+        Arm(now >= ts? 1: NHPTimer::GetSeconds(ts - now) * 1e9);
+    }
+
+    void Reset() {
+        Arm(0); // disarm timer
+    }
+
+    void Wait() {
+        ui64 expirations;
+        ssize_t s = read(Fd, &expirations, sizeof(ui64));
+        Y_UNUSED(s); // Y_VERIFY(s == sizeof(ui64));
+    }
+
+    void Wake() {
+        Arm(1);
+    }
+private:
+    void Arm(ui64 ns) {
+        struct itimerspec spec;
+        spec.it_value.tv_sec = ns / 1'000'000'000;
+        spec.it_value.tv_nsec = ns % 1'000'000'000;
+        spec.it_interval.tv_sec = 0;
+        spec.it_interval.tv_nsec = 0;
+        int ret = timerfd_settime(Fd, 0, &spec, nullptr);
+        Y_VERIFY(ret != -1, "timerfd_settime(%d, 0, %" PRIu64 "ns, 0) -> %d; errno:%d: %s", Fd, ns, ret, int(errno), strerror(errno));
+    }
+};
+
+#else
+
+struct TTimerFd: public TNonCopyable {
+    int Fd = 0;
+    void Set(ui64) {}
+    void Reset() {}
+    void Wait() {}
+    void Wake() {}
+};
+
+#endif
diff --git a/library/cpp/actors/util/ya.make b/library/cpp/actors/util/ya.make
index a8bfd05d5a..37488c3962 100644
--- a/library/cpp/actors/util/ya.make
+++ b/library/cpp/actors/util/ya.make
@@ -8,8 +8,8 @@ OWNER(
 SRCS(
     affinity.cpp
     affinity.h
-    cpumask.h 
-    datetime.h 
+    cpumask.h
+    datetime.h
     defs.h
     funnel_queue.h
     futex.h
@@ -26,7 +26,7 @@ SRCS(
     threadparkpad.cpp
     threadparkpad.h
     ticket_lock.h
-    timerfd.h 
+    timerfd.h
     unordered_cache.h
 )
 
diff --git a/library/cpp/bucket_quoter/bucket_quoter.h b/library/cpp/bucket_quoter/bucket_quoter.h
index 74eeee2601..3d92ef8450 100644
--- a/library/cpp/bucket_quoter/bucket_quoter.h
+++ b/library/cpp/bucket_quoter/bucket_quoter.h
@@ -2,7 +2,7 @@
 
 #include <util/datetime/base.h>
 #include <util/system/mutex.h>
-#include <util/system/hp_timer.h> 
+#include <util/system/hp_timer.h>
 
 /* Token bucket.
  * Makes flow of *inflow* units per second in average, with up to *capacity* bursts.
@@ -39,54 +39,54 @@
 
 */
 
-struct TInstantTimerMs { 
-    using TTime = TInstant; 
-    static constexpr ui64 Resolution = 1000ull; // milliseconds 
-    static TTime Now() { 
-        return TInstant::Now(); 
-    } 
-    static ui64 Duration(TTime from, TTime to) { 
-        return (to - from).MilliSeconds(); 
-    } 
-}; 
- 
-struct THPTimerUs { 
-    using TTime = NHPTimer::STime; 
+struct TInstantTimerMs {
+    using TTime = TInstant;
+    static constexpr ui64 Resolution = 1000ull; // milliseconds
+    static TTime Now() {
+        return TInstant::Now();
+    }
+    static ui64 Duration(TTime from, TTime to) {
+        return (to - from).MilliSeconds();
+    }
+};
+
+struct THPTimerUs {
+    using TTime = NHPTimer::STime;
     static constexpr ui64 Resolution = 1000000ull; // microseconds
-    static TTime Now() { 
-        NHPTimer::STime ret; 
-        NHPTimer::GetTime(&ret); 
-        return ret; 
-    } 
-    static ui64 Duration(TTime from, TTime to) { 
-        i64 cycles = to - from; 
-        if (cycles > 0) { 
-            return ui64(double(cycles) * double(Resolution) / NHPTimer::GetClockRate()); 
-        } else { 
-            return 0; 
-        } 
-    } 
-}; 
- 
-template <typename StatCounter, typename Lock = TMutex, typename Timer = TInstantTimerMs> 
+    static TTime Now() {
+        NHPTimer::STime ret;
+        NHPTimer::GetTime(&ret);
+        return ret;
+    }
+    static ui64 Duration(TTime from, TTime to) {
+        i64 cycles = to - from;
+        if (cycles > 0) {
+            return ui64(double(cycles) * double(Resolution) / NHPTimer::GetClockRate());
+        } else {
+            return 0;
+        }
+    }
+};
+
+template <typename StatCounter, typename Lock = TMutex, typename Timer = TInstantTimerMs>
 class TBucketQuoter {
 public:
-    using TTime = typename Timer::TTime; 
- 
-    struct TResult { 
-        i64 Before; 
-        i64 After; 
-        ui64 Seqno; 
-    }; 
- 
+    using TTime = typename Timer::TTime;
+
+    struct TResult {
+        i64 Before;
+        i64 After;
+        ui64 Seqno;
+    };
+
     /* fixed quota */
-    TBucketQuoter(ui64 inflow, ui64 capacity, StatCounter* msgPassed = nullptr, 
-                  StatCounter* bucketUnderflows = nullptr, StatCounter* tokensUsed = nullptr, 
+    TBucketQuoter(ui64 inflow, ui64 capacity, StatCounter* msgPassed = nullptr,
+                  StatCounter* bucketUnderflows = nullptr, StatCounter* tokensUsed = nullptr,
                   StatCounter* usecWaited = nullptr, bool fill = false, StatCounter* aggregateInflow = nullptr)
         : MsgPassed(msgPassed)
         , BucketUnderflows(bucketUnderflows)
         , TokensUsed(tokensUsed)
-        , UsecWaited(usecWaited) 
+        , UsecWaited(usecWaited)
         , AggregateInflow(aggregateInflow)
         , Bucket(fill ? capacity : 0)
         , LastAdd(Timer::Now())
@@ -99,13 +99,13 @@ public:
     }
 
     /* adjustable quotas */
-    TBucketQuoter(TAtomic* inflow, TAtomic* capacity, StatCounter* msgPassed = nullptr, 
-                  StatCounter* bucketUnderflows = nullptr, StatCounter* tokensUsed = nullptr, 
+    TBucketQuoter(TAtomic* inflow, TAtomic* capacity, StatCounter* msgPassed = nullptr,
+                  StatCounter* bucketUnderflows = nullptr, StatCounter* tokensUsed = nullptr,
                   StatCounter* usecWaited = nullptr, bool fill = false, StatCounter* aggregateInflow = nullptr)
         : MsgPassed(msgPassed)
         , BucketUnderflows(bucketUnderflows)
         , TokensUsed(tokensUsed)
-        , UsecWaited(usecWaited) 
+        , UsecWaited(usecWaited)
         , AggregateInflow(aggregateInflow)
         , Bucket(fill ? AtomicGet(*capacity) : 0)
         , LastAdd(Timer::Now())
@@ -116,22 +116,22 @@ public:
     }
 
     bool IsAvail() {
-        TGuard<Lock> g(BucketMutex); 
-        FillBucket(); 
-        if (Bucket < 0) { 
-            if (BucketUnderflows) { 
-                (*BucketUnderflows)++; 
-            } 
-        } 
-        return (Bucket >= 0); 
-    } 
-
-    bool IsAvail(TResult& res) { 
-        TGuard<Lock> g(BucketMutex); 
-        res.Before = Bucket; 
+        TGuard<Lock> g(BucketMutex);
+        FillBucket();
+        if (Bucket < 0) {
+            if (BucketUnderflows) {
+                (*BucketUnderflows)++;
+            }
+        }
+        return (Bucket >= 0);
+    }
+
+    bool IsAvail(TResult& res) {
+        TGuard<Lock> g(BucketMutex);
+        res.Before = Bucket;
         FillBucket();
-        res.After = Bucket; 
-        res.Seqno = ++Seqno; 
+        res.After = Bucket;
+        res.Seqno = ++Seqno;
         if (Bucket < 0) {
             if (BucketUnderflows) {
                 (*BucketUnderflows)++;
@@ -140,58 +140,58 @@ public:
         return (Bucket >= 0);
     }
 
-    ui64 GetAvail() { 
-        TGuard<Lock> g(BucketMutex); 
-        FillBucket(); 
-        return Max<i64>(0, Bucket); 
-    } 
- 
-    ui64 GetAvail(TResult& res) { 
-        TGuard<Lock> g(BucketMutex); 
-        res.Before = Bucket; 
-        FillBucket(); 
-        res.After = Bucket; 
-        res.Seqno = ++Seqno; 
-        return Max<i64>(0, Bucket); 
-    } 
- 
+    ui64 GetAvail() {
+        TGuard<Lock> g(BucketMutex);
+        FillBucket();
+        return Max<i64>(0, Bucket);
+    }
+
+    ui64 GetAvail(TResult& res) {
+        TGuard<Lock> g(BucketMutex);
+        res.Before = Bucket;
+        FillBucket();
+        res.After = Bucket;
+        res.Seqno = ++Seqno;
+        return Max<i64>(0, Bucket);
+    }
+
     void Use(ui64 tokens, bool sleep = false) {
-        TGuard<Lock> g(BucketMutex); 
-        UseNoLock(tokens, sleep); 
+        TGuard<Lock> g(BucketMutex);
+        UseNoLock(tokens, sleep);
+    }
+
+    void Use(ui64 tokens, TResult& res, bool sleep = false) {
+        TGuard<Lock> g(BucketMutex);
+        res.Before = Bucket;
+        UseNoLock(tokens, sleep);
+        res.After = Bucket;
+        res.Seqno = ++Seqno;
     }
 
-    void Use(ui64 tokens, TResult& res, bool sleep = false) { 
-        TGuard<Lock> g(BucketMutex); 
-        res.Before = Bucket; 
-        UseNoLock(tokens, sleep); 
-        res.After = Bucket; 
-        res.Seqno = ++Seqno; 
-    } 
-
-    i64 UseAndFill(ui64 tokens) { 
-        TGuard<Lock> g(BucketMutex); 
-        UseNoLock(tokens); 
+    i64 UseAndFill(ui64 tokens) {
+        TGuard<Lock> g(BucketMutex);
+        UseNoLock(tokens);
+        FillBucket();
+        return Bucket;
+    }
+
+    void Add(ui64 tokens) {
+        TGuard<Lock> g(BucketMutex);
+        AddNoLock(tokens);
+    }
+
+    void Add(ui64 tokens, TResult& res) {
+        TGuard<Lock> g(BucketMutex);
+        res.Before = Bucket;
+        AddNoLock(tokens);
+        res.After = Bucket;
+        res.Seqno = ++Seqno;
+    }
+
+    ui32 GetWaitTime() {
+        TGuard<Lock> g(BucketMutex);
+
         FillBucket();
-        return Bucket; 
-    } 
- 
-    void Add(ui64 tokens) { 
-        TGuard<Lock> g(BucketMutex); 
-        AddNoLock(tokens); 
-    } 
- 
-    void Add(ui64 tokens, TResult& res) { 
-        TGuard<Lock> g(BucketMutex); 
-        res.Before = Bucket; 
-        AddNoLock(tokens); 
-        res.After = Bucket; 
-        res.Seqno = ++Seqno; 
-    } 
- 
-    ui32 GetWaitTime() { 
-        TGuard<Lock> g(BucketMutex); 
- 
-        FillBucket(); 
         if (Bucket >= 0) {
             return 0;
         }
@@ -200,37 +200,37 @@ public:
         return usec;
     }
 
-    ui32 GetWaitTime(TResult& res) { 
-        TGuard<Lock> g(BucketMutex); 
-        res.Before = Bucket; 
-        FillBucket(); 
-        res.After = Bucket; 
-        res.Seqno = ++Seqno; 
-        if (Bucket >= 0) { 
-            return 0; 
-        } 
-        ui32 usec = (-Bucket * 1000000) / (*InflowTokensPerSecond); 
-        return usec; 
-    } 
- 
+    ui32 GetWaitTime(TResult& res) {
+        TGuard<Lock> g(BucketMutex);
+        res.Before = Bucket;
+        FillBucket();
+        res.After = Bucket;
+        res.Seqno = ++Seqno;
+        if (Bucket >= 0) {
+            return 0;
+        }
+        ui32 usec = (-Bucket * 1000000) / (*InflowTokensPerSecond);
+        return usec;
+    }
+
     void Sleep() {
         while (!IsAvail()) {
             ui32 delay = GetWaitTime();
             if (delay != 0) {
                 usleep(delay);
-                if (UsecWaited) { 
-                    (*UsecWaited) += delay; 
-                } 
+                if (UsecWaited) {
+                    (*UsecWaited) += delay;
+                }
             }
         }
     }
 
 private:
     void FillBucket() {
-        TTime now = Timer::Now(); 
+        TTime now = Timer::Now();
 
-        ui64 elapsed = Timer::Duration(LastAdd, now); 
-        if (*InflowTokensPerSecond * elapsed >= Timer::Resolution) { 
+        ui64 elapsed = Timer::Duration(LastAdd, now);
+        if (*InflowTokensPerSecond * elapsed >= Timer::Resolution) {
             ui64 inflow = *InflowTokensPerSecond * elapsed / Timer::Resolution;
             if (AggregateInflow) {
                 *AggregateInflow += inflow;
@@ -244,35 +244,35 @@ private:
         }
     }
 
-    void UseNoLock(ui64 tokens, bool sleep = false) { 
-        if (sleep) 
-            Sleep(); 
-        Bucket -= tokens; 
-        if (TokensUsed) { 
-            (*TokensUsed) += tokens; 
-        } 
-        if (MsgPassed) { 
-            (*MsgPassed)++; 
-        } 
-    } 
- 
-    void AddNoLock(ui64 tokens) { 
-        Bucket += tokens; 
-        if (Bucket > *BucketTokensCapacity) { 
-            Bucket = *BucketTokensCapacity; 
-        } 
-    } 
- 
+    void UseNoLock(ui64 tokens, bool sleep = false) {
+        if (sleep)
+            Sleep();
+        Bucket -= tokens;
+        if (TokensUsed) {
+            (*TokensUsed) += tokens;
+        }
+        if (MsgPassed) {
+            (*MsgPassed)++;
+        }
+    }
+
+    void AddNoLock(ui64 tokens) {
+        Bucket += tokens;
+        if (Bucket > *BucketTokensCapacity) {
+            Bucket = *BucketTokensCapacity;
+        }
+    }
+
     StatCounter* MsgPassed;
     StatCounter* BucketUnderflows;
     StatCounter* TokensUsed;
-    StatCounter* UsecWaited; 
+    StatCounter* UsecWaited;
     StatCounter* AggregateInflow;
 
     i64 Bucket;
-    TTime LastAdd; 
-    Lock BucketMutex; 
-    ui64 Seqno = 0; 
+    TTime LastAdd;
+    Lock BucketMutex;
+    ui64 Seqno = 0;
 
     TAtomic* InflowTokensPerSecond;
     TAtomic* BucketTokensCapacity;
diff --git a/library/cpp/containers/stack_vector/stack_vec.h b/library/cpp/containers/stack_vector/stack_vec.h
index 5b4d370e1f..fcc5d9a2a5 100644
--- a/library/cpp/containers/stack_vector/stack_vec.h
+++ b/library/cpp/containers/stack_vector/stack_vec.h
@@ -41,7 +41,7 @@ namespace NPrivate {
         using typename Alloc::value_type;
 
         template <class U>
-        struct rebind: public ::NPrivate::TRebind<Alloc, TSelf, T, U> { 
+        struct rebind: public ::NPrivate::TRebind<Alloc, TSelf, T, U> {
         };
 
     public:
@@ -82,7 +82,7 @@ namespace NPrivate {
 
     private:
         std::aligned_storage_t<sizeof(T), alignof(T)> StackBasedStorage[CountOnStack];
-        bool IsStorageUsed = false; 
+        bool IsStorageUsed = false;
 
     private:
         Alloc& FallbackAllocator() noexcept {
diff --git a/library/cpp/http/server/http.cpp b/library/cpp/http/server/http.cpp
index b461c242ab..128583bdd7 100644
--- a/library/cpp/http/server/http.cpp
+++ b/library/cpp/http/server/http.cpp
@@ -456,7 +456,7 @@ public:
     TOptions Options_;
     ICallBack* Cb_ = nullptr;
     THttpServer* Parent_ = nullptr;
-    TWakeupPollAble WakeupPollAble; 
+    TWakeupPollAble WakeupPollAble;
     TMutex StopMutex;
 
 private:
diff --git a/library/cpp/lwtrace/all.h b/library/cpp/lwtrace/all.h
index c086bede4a..d7aa57c49d 100644
--- a/library/cpp/lwtrace/all.h
+++ b/library/cpp/lwtrace/all.h
@@ -1,195 +1,195 @@
-#pragma once 
- 
-#include "control.h" 
-#include "event.h" 
+#pragma once
+
+#include "control.h"
+#include "event.h"
 #include "preprocessor.h"
-#include "probe.h" 
+#include "probe.h"
 #include "start.h"
- 
-// 
+
+//
 // Full documentation: https://wiki.yandex-team.ru/development/poisk/arcadia/library/lwtrace/
-// 
-// Short usage instruction: 
-// 
-// 1. Declare probes provider in header file 'probes.h': 
-//       #include <yweb/robot/kiwi/lwtrace/all.h> 
-//       #define MY_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES) \   // name of your provider 
-//           PROBE(MyProbe, GROUPS("MyGroup1", "MyGroup2"), TYPES(), NAMES()) \   // probe specification w/o argiments 
+//
+// Short usage instruction:
+//
+// 1. Declare probes provider in header file 'probes.h':
+//       #include <yweb/robot/kiwi/lwtrace/all.h>
+//       #define MY_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES) \   // name of your provider
+//           PROBE(MyProbe, GROUPS("MyGroup1", "MyGroup2"), TYPES(), NAMES()) \   // probe specification w/o argiments
 //           PROBE(MyAnotherProbe, GROUPS("MyGroup2"), TYPES(int, TString), NAMES("arg1", "arg2")) \   // another probe with arguments
-//           PROBE(MyScopedProbe, GROUPS(), TYPES(ui64, int), NAMES("duration", "stage")) \   // scoped probe with argument 
-//           /**/ 
-//       LWTRACE_DECLARE_PROVIDER(MY_PROVIDER) 
-// 
-// 2. Define provider in source file 'provider.cpp': 
-//       #include "probes.h" 
-//       LWTRACE_DEFINE_PROVIDER(MY_PROVIDER) 
-// 
-// 3. Call probes from provider in your code: 
-//       #include "probes.h" 
-//       int main() { 
-//           GLOBAL_LWPROBE(MY_PROVIDER, MyProbe); 
-//           GLOBAL_LWPROBE(MY_PROVIDER, MyAnotherProbe, 123, stroka); 
-//           ... or ... 
-//           LWTRACE_USING(MY_PROVIDER); // expands into using namespace 
-//           LWPROBE(MyProbe); 
-//           LWPROBE(MyAnotherProbe, 123, stroka); 
-//       } 
-// 
-// 4. Attach provider to your monitoring service: 
-//       #include <yweb/robot/kiwi/util/monservice.h> 
-//       #include "probes.h" 
-//       class TMyMonSrvc: public NKiwi::TMonService { 
-//           TMyMonSrvc(TProbeRegistry& probes) 
-//           { 
-//               THolder<NKiwi::TTraceMonPage> tr(new NKiwi::TTraceMonPage()); 
-//               tr->GetProbes().AddProbesList(LWTRACE_GET_PROBES(MY_PROVIDER)); 
-//               Register(tr.Release()); 
-//           } 
-//       }; 
-// 
-// 5. Compile and run application 
-// 
-// 6. Create file 'mysuper.tr' with trace query: 
-//        Blocks { # Log all calls to probes from MyGroup1 
-//            ProbeDesc { Group: "MyGroup1" } 
-//            Action { 
-//                LogAction { LogTimestamp: true } 
-//            } 
-//        } 
-//        Blocks { # Log first 10 calls to MyAnother with arg1 > 1000 
-//            ProbeDesc { Name: "MyAnotherProbe"; Provider: "MY_PROVIDER" } 
-//            Predicate { 
-//                Operators { Type: OT_GT; Param: "arg1"; Value: "1000" } 
-//            } 
-//            Action { 
-//                LogAction { MaxRecords: 10 } 
-//            } 
-//        } 
-//        Blocks { # Start following executon of all 4 blocks each time MyAnotherProbe was called with arg2 == "start" 
-//            ProbeDesc { Name: "MyAnotherProbe"; Provider: "MY_PROVIDER" } 
-//            Predicate { 
-//                Operators { Type: OT_EQ; Param: "arg2"; Value: "start" } 
-//            } 
-//            Action { StartAction {} } 
-//        } 
-//        Blocks { # Stop following executon of all 4 blocks each time MyAnotherProbe was called with arg2 == "stop" 
-//            ProbeDesc { Name: "MyAnotherProbe"; Provider: "MY_PROVIDER" } 
-//            Predicate { 
-//                Operators { Type: OT_EQ; Param: "arg2"; Value: "stop" } 
-//            } 
-//            Action { StopAction {} } 
-//        } 
-// 
-// 7. Send trace query to the server with HTTP POST: 
-//       yweb/robot/kiwi/scripts/trace.sh new uniq-id-for-my-trace hostname:monport < mysuper.tr 
-// 
-// 8. With browser go to: http://hostname:monport/trace 
-// 
-// 9. Delete query from server: 
-//       yweb/robot/kiwi/scripts/trace.sh delete uniq-id-for-my-trace hostname:monport 
-// 
-// 
-// CONFIGURATION AND SUPPORT: 
-// 1. Turning off all calls to probes. 
-//       Add to project's CMakeLists.txt: add_definitions(-DLWTRACE_DISABLE_PROBES) 
-// 
-// 2. Turning off all calls to events. 
-//       Add to project's CMakeLists.txt: add_definitions(-DLWTRACE_DISABLE_EVENTS) 
-// 
-// 3. Increasing maximum number of probe parameters: 
-//       Add more lines in FOREACH_PARAMNUM macro definition in preprocessor.h 
-// 
-// 
-// ISSUES 
-// 1. Note that executors for different blocks are attached in order of their declaration in trace script. 
-//    Executor can be called by a program as soon as it is attached, therefore there is no guarantee that 
-//    all blocks are started simultaneously 
-// 
- 
-#ifndef LWTRACE_DISABLE 
- 
-// Declare user provider (see USAGE INSTRUCTION) 
-#define LWTRACE_DECLARE_PROVIDER(provider) LWTRACE_DECLARE_PROVIDER_I(provider) 
- 
-// Define user provider (see USAGE INSTRUCTION) 
-#define LWTRACE_DEFINE_PROVIDER(provider) LWTRACE_DEFINE_PROVIDER_I(provider) 
- 
-// Import names from provider 
-#define LWTRACE_USING(provider) using namespace LWTRACE_GET_NAMESPACE(provider); 
- 
-// Probes and events list accessor 
-#define LWTRACE_GET_PROBES(provider) LWTRACE_GET_PROBES_I(provider) 
-#define LWTRACE_GET_EVENTS(provider) LWTRACE_GET_EVENTS_I(provider) 
- 
-#ifndef LWTRACE_DISABLE_PROBES 
- 
-// Call a probe 
-// NOTE: LWPROBE() should be used in source files only with previous call to LWTRACE_USING(MY_PROVIDER) 
-// NOTE: in header files GLOBAL_LWPROBE() should be used instead 
-// NOTE: if lots of calls needed in header file, it's convenient to define/undef the following macro: 
-// NOTE: #define MY_PROBE(name, ...) GLOBAL_LWPROBE(MY_PROVIDER, name, ## __VA_ARGS__) 
-#define GLOBAL_LWPROBE(provider, probe, ...) LWPROBE_I(LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_NAME(probe), ##__VA_ARGS__) 
-#define LWPROBE(probe, ...) LWPROBE_I(LWTRACE_GET_NAME(probe), ##__VA_ARGS__) 
+//           PROBE(MyScopedProbe, GROUPS(), TYPES(ui64, int), NAMES("duration", "stage")) \   // scoped probe with argument
+//           /**/
+//       LWTRACE_DECLARE_PROVIDER(MY_PROVIDER)
+//
+// 2. Define provider in source file 'provider.cpp':
+//       #include "probes.h"
+//       LWTRACE_DEFINE_PROVIDER(MY_PROVIDER)
+//
+// 3. Call probes from provider in your code:
+//       #include "probes.h"
+//       int main() {
+//           GLOBAL_LWPROBE(MY_PROVIDER, MyProbe);
+//           GLOBAL_LWPROBE(MY_PROVIDER, MyAnotherProbe, 123, stroka);
+//           ... or ...
+//           LWTRACE_USING(MY_PROVIDER); // expands into using namespace
+//           LWPROBE(MyProbe);
+//           LWPROBE(MyAnotherProbe, 123, stroka);
+//       }
+//
+// 4. Attach provider to your monitoring service:
+//       #include <yweb/robot/kiwi/util/monservice.h>
+//       #include "probes.h"
+//       class TMyMonSrvc: public NKiwi::TMonService {
+//           TMyMonSrvc(TProbeRegistry& probes)
+//           {
+//               THolder<NKiwi::TTraceMonPage> tr(new NKiwi::TTraceMonPage());
+//               tr->GetProbes().AddProbesList(LWTRACE_GET_PROBES(MY_PROVIDER));
+//               Register(tr.Release());
+//           }
+//       };
+//
+// 5. Compile and run application
+//
+// 6. Create file 'mysuper.tr' with trace query:
+//        Blocks { # Log all calls to probes from MyGroup1
+//            ProbeDesc { Group: "MyGroup1" }
+//            Action {
+//                LogAction { LogTimestamp: true }
+//            }
+//        }
+//        Blocks { # Log first 10 calls to MyAnother with arg1 > 1000
+//            ProbeDesc { Name: "MyAnotherProbe"; Provider: "MY_PROVIDER" }
+//            Predicate {
+//                Operators { Type: OT_GT; Param: "arg1"; Value: "1000" }
+//            }
+//            Action {
+//                LogAction { MaxRecords: 10 }
+//            }
+//        }
+//        Blocks { # Start following executon of all 4 blocks each time MyAnotherProbe was called with arg2 == "start"
+//            ProbeDesc { Name: "MyAnotherProbe"; Provider: "MY_PROVIDER" }
+//            Predicate {
+//                Operators { Type: OT_EQ; Param: "arg2"; Value: "start" }
+//            }
+//            Action { StartAction {} }
+//        }
+//        Blocks { # Stop following executon of all 4 blocks each time MyAnotherProbe was called with arg2 == "stop"
+//            ProbeDesc { Name: "MyAnotherProbe"; Provider: "MY_PROVIDER" }
+//            Predicate {
+//                Operators { Type: OT_EQ; Param: "arg2"; Value: "stop" }
+//            }
+//            Action { StopAction {} }
+//        }
+//
+// 7. Send trace query to the server with HTTP POST:
+//       yweb/robot/kiwi/scripts/trace.sh new uniq-id-for-my-trace hostname:monport < mysuper.tr
+//
+// 8. With browser go to: http://hostname:monport/trace
+//
+// 9. Delete query from server:
+//       yweb/robot/kiwi/scripts/trace.sh delete uniq-id-for-my-trace hostname:monport
+//
+//
+// CONFIGURATION AND SUPPORT:
+// 1. Turning off all calls to probes.
+//       Add to project's CMakeLists.txt: add_definitions(-DLWTRACE_DISABLE_PROBES)
+//
+// 2. Turning off all calls to events.
+//       Add to project's CMakeLists.txt: add_definitions(-DLWTRACE_DISABLE_EVENTS)
+//
+// 3. Increasing maximum number of probe parameters:
+//       Add more lines in FOREACH_PARAMNUM macro definition in preprocessor.h
+//
+//
+// ISSUES
+// 1. Note that executors for different blocks are attached in order of their declaration in trace script.
+//    Executor can be called by a program as soon as it is attached, therefore there is no guarantee that
+//    all blocks are started simultaneously
+//
+
+#ifndef LWTRACE_DISABLE
+
+// Declare user provider (see USAGE INSTRUCTION)
+#define LWTRACE_DECLARE_PROVIDER(provider) LWTRACE_DECLARE_PROVIDER_I(provider)
+
+// Define user provider (see USAGE INSTRUCTION)
+#define LWTRACE_DEFINE_PROVIDER(provider) LWTRACE_DEFINE_PROVIDER_I(provider)
+
+// Import names from provider
+#define LWTRACE_USING(provider) using namespace LWTRACE_GET_NAMESPACE(provider);
+
+// Probes and events list accessor
+#define LWTRACE_GET_PROBES(provider) LWTRACE_GET_PROBES_I(provider)
+#define LWTRACE_GET_EVENTS(provider) LWTRACE_GET_EVENTS_I(provider)
+
+#ifndef LWTRACE_DISABLE_PROBES
+
+// Call a probe
+// NOTE: LWPROBE() should be used in source files only with previous call to LWTRACE_USING(MY_PROVIDER)
+// NOTE: in header files GLOBAL_LWPROBE() should be used instead
+// NOTE: if lots of calls needed in header file, it's convenient to define/undef the following macro:
+// NOTE: #define MY_PROBE(name, ...) GLOBAL_LWPROBE(MY_PROVIDER, name, ## __VA_ARGS__)
+#define GLOBAL_LWPROBE(provider, probe, ...) LWPROBE_I(LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_NAME(probe), ##__VA_ARGS__)
+#define LWPROBE(probe, ...) LWPROBE_I(LWTRACE_GET_NAME(probe), ##__VA_ARGS__)
 #define GLOBAL_LWPROBE_ENABLED(provider, probe) LWPROBE_ENABLED_I(LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_NAME(probe))
 #define LWPROBE_ENABLED(probe) LWPROBE_ENABLED_I(LWTRACE_GET_NAME(probe))
-#define LWPROBE_OBJ(probe, ...) LWPROBE_I(probe, ##__VA_ARGS__) 
- 
-// Calls a probe when scope is beeing left 
-// NOTE: arguments are passed by value and stored until scope exit 
-// NOTE: probe should be declared with first params of type ui64, argument for which is automaticaly generated (duration in microseconds) 
-// NOTE: *_DURATION() macros take through "..." all arguments except the first one 
-#define GLOBAL_LWPROBE_DURATION(provider, probe, ...) LWPROBE_DURATION_I(LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_TYPE(probe), lwtrace_scoped_##provider##probe, LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_NAME(probe), ##__VA_ARGS__) 
-#define LWPROBE_DURATION(probe, ...) LWPROBE_DURATION_I(LWTRACE_GET_TYPE(probe), lwtrace_scoped_##probe, LWTRACE_GET_NAME(probe), ##__VA_ARGS__) 
- 
-// Probe with orbit support 
-#define GLOBAL_LWTRACK(provider, probe, orbit, ...) LWTRACK_I(LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_NAME(probe), orbit, ##__VA_ARGS__) 
-#define LWTRACK(probe, orbit, ...) LWTRACK_I(LWTRACE_GET_NAME(probe), orbit, ##__VA_ARGS__) 
-#define LWTRACK_OBJ(probe, orbit, ...) LWTRACK_I(probe, orbit, ##__VA_ARGS__) 
- 
-#else 
-#define GLOBAL_LWPROBE(provider, probe, ...) 
-#define LWPROBE(probe, ...) 
+#define LWPROBE_OBJ(probe, ...) LWPROBE_I(probe, ##__VA_ARGS__)
+
+// Calls a probe when scope is beeing left
+// NOTE: arguments are passed by value and stored until scope exit
+// NOTE: probe should be declared with first params of type ui64, argument for which is automaticaly generated (duration in microseconds)
+// NOTE: *_DURATION() macros take through "..." all arguments except the first one
+#define GLOBAL_LWPROBE_DURATION(provider, probe, ...) LWPROBE_DURATION_I(LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_TYPE(probe), lwtrace_scoped_##provider##probe, LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_NAME(probe), ##__VA_ARGS__)
+#define LWPROBE_DURATION(probe, ...) LWPROBE_DURATION_I(LWTRACE_GET_TYPE(probe), lwtrace_scoped_##probe, LWTRACE_GET_NAME(probe), ##__VA_ARGS__)
+
+// Probe with orbit support
+#define GLOBAL_LWTRACK(provider, probe, orbit, ...) LWTRACK_I(LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_NAME(probe), orbit, ##__VA_ARGS__)
+#define LWTRACK(probe, orbit, ...) LWTRACK_I(LWTRACE_GET_NAME(probe), orbit, ##__VA_ARGS__)
+#define LWTRACK_OBJ(probe, orbit, ...) LWTRACK_I(probe, orbit, ##__VA_ARGS__)
+
+#else
+#define GLOBAL_LWPROBE(provider, probe, ...)
+#define LWPROBE(probe, ...)
 #define GLOBAL_LWPROBE_ENABLED(provider, probe) false
 #define LWPROBE_ENABLED(probe) false
-#define LWPROBE_OBJ(probe, ...) Y_UNUSED(probe) 
-#define GLOBAL_LWPROBE_DURATION(provider, probe, ...) 
-#define LWPROBE_DURATION(probe, ...) 
-#define GLOBAL_LWTRACK(provider, probe, orbit, ...) 
-#define LWTRACK(probe, orbit, ...) 
-#define LWTRACK_OBJ(probe, orbit, ...) Y_UNUSED(probe) 
-#endif 
- 
-#ifndef LWTRACE_DISABLE_EVENTS 
- 
-// Call an event 
-// NOTE: LWEVENT() should be used in source files only with previous call to LWTRACE_USING(MY_PROVIDER) 
-// NOTE: in header files GLOBAL_LWEVENT() should be used instead 
-// NOTE: if lots of calls needed in header file, it's convenient to define/undef the following macro: 
-// NOTE: #define MY_EVENT(name, ...) GLOBAL_LWEVENT(MY_PROVIDER, name, ## __VA_ARGS__) 
-#define GLOBAL_LWEVENT(provider, event, ...) LWEVENT_I(LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_NAME(event), ##__VA_ARGS__) 
-#define LWEVENT(event, ...) LWEVENT_I(LWTRACE_GET_NAME(event), ##__VA_ARGS__) 
- 
-#else 
-#define GLOBAL_LWEVENT(provider, event, ...) 
-#define LWEVENT(event, ...) 
-#endif 
- 
-#else 
- 
-#define LWTRACE_DECLARE_PROVIDER(provider) 
-#define LWTRACE_DEFINE_PROVIDER(provider) 
-#define LWTRACE_USING(provider) 
-#define LWTRACE_GET_PROBES(provider) NULL 
-#define LWTRACE_GET_EVENTS(provider) NULL 
-#define GLOBAL_LWPROBE(provider, probe, ...) 
-#define LWPROBE(probe, ...) 
+#define LWPROBE_OBJ(probe, ...) Y_UNUSED(probe)
+#define GLOBAL_LWPROBE_DURATION(provider, probe, ...)
+#define LWPROBE_DURATION(probe, ...)
+#define GLOBAL_LWTRACK(provider, probe, orbit, ...)
+#define LWTRACK(probe, orbit, ...)
+#define LWTRACK_OBJ(probe, orbit, ...) Y_UNUSED(probe)
+#endif
+
+#ifndef LWTRACE_DISABLE_EVENTS
+
+// Call an event
+// NOTE: LWEVENT() should be used in source files only with previous call to LWTRACE_USING(MY_PROVIDER)
+// NOTE: in header files GLOBAL_LWEVENT() should be used instead
+// NOTE: if lots of calls needed in header file, it's convenient to define/undef the following macro:
+// NOTE: #define MY_EVENT(name, ...) GLOBAL_LWEVENT(MY_PROVIDER, name, ## __VA_ARGS__)
+#define GLOBAL_LWEVENT(provider, event, ...) LWEVENT_I(LWTRACE_GET_NAMESPACE(provider)::LWTRACE_GET_NAME(event), ##__VA_ARGS__)
+#define LWEVENT(event, ...) LWEVENT_I(LWTRACE_GET_NAME(event), ##__VA_ARGS__)
+
+#else
+#define GLOBAL_LWEVENT(provider, event, ...)
+#define LWEVENT(event, ...)
+#endif
+
+#else
+
+#define LWTRACE_DECLARE_PROVIDER(provider)
+#define LWTRACE_DEFINE_PROVIDER(provider)
+#define LWTRACE_USING(provider)
+#define LWTRACE_GET_PROBES(provider) NULL
+#define LWTRACE_GET_EVENTS(provider) NULL
+#define GLOBAL_LWPROBE(provider, probe, ...)
+#define LWPROBE(probe, ...)
 #define GLOBAL_LWPROBE_ENABLED(provider, probe) false
 #define LWPROBE_ENABLED(probe) false
-#define GLOBAL_LWPROBE_DURATION(provider, probe, ...) 
-#define LWPROBE_DURATION(probe, ...) 
-#define GLOBAL_LWTRACK(provider, probe, orbit, ...) 
-#define LWTRACK(probe, orbit, ...) 
-#define GLOBAL_LWEVENT(provider, event, ...) 
-#define LWEVENT(event, ...) 
- 
-#endif 
+#define GLOBAL_LWPROBE_DURATION(provider, probe, ...)
+#define LWPROBE_DURATION(probe, ...)
+#define GLOBAL_LWTRACK(provider, probe, orbit, ...)
+#define LWTRACK(probe, orbit, ...)
+#define GLOBAL_LWEVENT(provider, event, ...)
+#define LWEVENT(event, ...)
+
+#endif
diff --git a/library/cpp/lwtrace/check.cpp b/library/cpp/lwtrace/check.cpp
index 5f4da9712e..4e34fc5d49 100644
--- a/library/cpp/lwtrace/check.cpp
+++ b/library/cpp/lwtrace/check.cpp
@@ -1,18 +1,18 @@
-#include "check.h" 
+#include "check.h"
 
 #include <util/stream/output.h>
-#include <util/string/cast.h> 
- 
-namespace NLWTrace { 
-    int TCheck::ObjCount = 0; 
-} 
- 
-template <> 
-NLWTrace::TCheck FromStringImpl(const char* data, size_t len) { 
-    return NLWTrace::TCheck(FromString<int, char>(data, len)); 
-} 
- 
-template <> 
-void Out<NLWTrace::TCheck>(IOutputStream& o, TTypeTraits<NLWTrace::TCheck>::TFuncParam t) { 
-    Out<int>(o, t.Value); 
-} 
+#include <util/string/cast.h>
+
+namespace NLWTrace {
+    int TCheck::ObjCount = 0;
+}
+
+template <>
+NLWTrace::TCheck FromStringImpl(const char* data, size_t len) {
+    return NLWTrace::TCheck(FromString<int, char>(data, len));
+}
+
+template <>
+void Out<NLWTrace::TCheck>(IOutputStream& o, TTypeTraits<NLWTrace::TCheck>::TFuncParam t) {
+    Out<int>(o, t.Value);
+}
diff --git a/library/cpp/lwtrace/check.h b/library/cpp/lwtrace/check.h
index e346e04dfb..71503cbc7b 100644
--- a/library/cpp/lwtrace/check.h
+++ b/library/cpp/lwtrace/check.h
@@ -1,78 +1,78 @@
-#pragma once 
- 
-namespace NLWTrace { 
-    struct TCheck { 
-        int Value; 
-        static int ObjCount; 
- 
-        TCheck() 
-            : Value(0) 
-        { 
-            ObjCount++; 
-        } 
- 
-        explicit TCheck(int value) 
-            : Value(value) 
-        { 
-            ObjCount++; 
-        } 
- 
-        TCheck(const TCheck& o) 
-            : Value(o.Value) 
-        { 
-            ObjCount++; 
-        } 
- 
-        ~TCheck() { 
-            ObjCount--; 
-        } 
- 
-        bool operator<(const TCheck& rhs) const { 
-            return Value < rhs.Value; 
-        } 
-        bool operator>(const TCheck& rhs) const { 
-            return Value > rhs.Value; 
-        } 
-        bool operator<=(const TCheck& rhs) const { 
-            return Value <= rhs.Value; 
-        } 
-        bool operator>=(const TCheck& rhs) const { 
-            return Value >= rhs.Value; 
-        } 
-        bool operator==(const TCheck& rhs) const { 
-            return Value == rhs.Value; 
-        } 
-        bool operator!=(const TCheck& rhs) const { 
-            return Value != rhs.Value; 
-        } 
-        TCheck operator+(const TCheck& rhs) const { 
-            return TCheck(Value + rhs.Value); 
-        } 
-        TCheck operator-(const TCheck& rhs) const { 
-            return TCheck(Value - rhs.Value); 
-        } 
-        TCheck operator*(const TCheck& rhs) const { 
-            return TCheck(Value * rhs.Value); 
-        } 
-        TCheck operator/(const TCheck& rhs) const { 
-            return TCheck(Value / rhs.Value); 
-        } 
-        TCheck operator%(const TCheck& rhs) const { 
-            return TCheck(Value % rhs.Value); 
-        } 
- 
-        void Add(const TCheck rhs) { 
-            Value += rhs.Value; 
-        } 
-        void Sub(const TCheck rhs) { 
-            Value -= rhs.Value; 
-        } 
-        void Inc() { 
-            ++Value; 
-        } 
-        void Dec() { 
-            --Value; 
-        } 
-    }; 
+#pragma once
 
-} 
+namespace NLWTrace {
+    struct TCheck {
+        int Value;
+        static int ObjCount;
+
+        TCheck()
+            : Value(0)
+        {
+            ObjCount++;
+        }
+
+        explicit TCheck(int value)
+            : Value(value)
+        {
+            ObjCount++;
+        }
+
+        TCheck(const TCheck& o)
+            : Value(o.Value)
+        {
+            ObjCount++;
+        }
+
+        ~TCheck() {
+            ObjCount--;
+        }
+
+        bool operator<(const TCheck& rhs) const {
+            return Value < rhs.Value;
+        }
+        bool operator>(const TCheck& rhs) const {
+            return Value > rhs.Value;
+        }
+        bool operator<=(const TCheck& rhs) const {
+            return Value <= rhs.Value;
+        }
+        bool operator>=(const TCheck& rhs) const {
+            return Value >= rhs.Value;
+        }
+        bool operator==(const TCheck& rhs) const {
+            return Value == rhs.Value;
+        }
+        bool operator!=(const TCheck& rhs) const {
+            return Value != rhs.Value;
+        }
+        TCheck operator+(const TCheck& rhs) const {
+            return TCheck(Value + rhs.Value);
+        }
+        TCheck operator-(const TCheck& rhs) const {
+            return TCheck(Value - rhs.Value);
+        }
+        TCheck operator*(const TCheck& rhs) const {
+            return TCheck(Value * rhs.Value);
+        }
+        TCheck operator/(const TCheck& rhs) const {
+            return TCheck(Value / rhs.Value);
+        }
+        TCheck operator%(const TCheck& rhs) const {
+            return TCheck(Value % rhs.Value);
+        }
+
+        void Add(const TCheck rhs) {
+            Value += rhs.Value;
+        }
+        void Sub(const TCheck rhs) {
+            Value -= rhs.Value;
+        }
+        void Inc() {
+            ++Value;
+        }
+        void Dec() {
+            --Value;
+        }
+    };
+
+}
diff --git a/library/cpp/lwtrace/control.h b/library/cpp/lwtrace/control.h
index 478488e653..16b24eafd2 100644
--- a/library/cpp/lwtrace/control.h
+++ b/library/cpp/lwtrace/control.h
@@ -1,5 +1,5 @@
-#pragma once 
- 
+#pragma once
+
 #include "custom_action.h"
 #include "event.h"
 #include "log.h"
@@ -10,199 +10,199 @@
 
 #include <google/protobuf/repeated_field.h>
 
-#include <util/generic/deque.h> 
-#include <util/generic/hash.h> 
-#include <util/generic/noncopyable.h> 
-#include <util/generic/ptr.h> 
-#include <util/generic/set.h> 
-#include <util/generic/vector.h> 
- 
-namespace NLWTrace { 
+#include <util/generic/deque.h>
+#include <util/generic/hash.h>
+#include <util/generic/noncopyable.h>
+#include <util/generic/ptr.h>
+#include <util/generic/set.h>
+#include <util/generic/vector.h>
+
+namespace NLWTrace {
 
     using TProbeMap = THashMap<std::pair<TString, TString>, TProbe*>;
 
-    // Interface for probe ownership management 
-    class IBox: public virtual TThrRefBase { 
-    private: 
-        bool Owns; 
+    // Interface for probe ownership management
+    class IBox: public virtual TThrRefBase {
+    private:
+        bool Owns;
 
-    public: 
-        explicit IBox(bool ownsProbe = false) 
-            : Owns(ownsProbe) 
+    public:
+        explicit IBox(bool ownsProbe = false)
+            : Owns(ownsProbe)
         {
         }
- 
-        bool OwnsProbe() { 
-            return Owns; 
-        } 
- 
-        virtual TProbe* GetProbe() = 0; 
-    }; 
- 
-    using TBoxPtr = TIntrusivePtr<IBox>; 
- 
-    // Simple not-owning box, that just holds pointer to static/global probe (e.g. created by LWTRACE_DEFINE_PROVIDER) 
-    class TStaticBox: public IBox { 
-    private: 
-        TProbe* Probe; 
-
-    public: 
-        explicit TStaticBox(TProbe* probe) 
-            : IBox(false) 
-            , Probe(probe) 
+
+        bool OwnsProbe() {
+            return Owns;
+        }
+
+        virtual TProbe* GetProbe() = 0;
+    };
+
+    using TBoxPtr = TIntrusivePtr<IBox>;
+
+    // Simple not-owning box, that just holds pointer to static/global probe (e.g. created by LWTRACE_DEFINE_PROVIDER)
+    class TStaticBox: public IBox {
+    private:
+        TProbe* Probe;
+
+    public:
+        explicit TStaticBox(TProbe* probe)
+            : IBox(false)
+            , Probe(probe)
         {
         }
- 
-        TProbe* GetProbe() override { 
-            return Probe; 
-        } 
-    }; 
- 
-    // Just a set of unique probes 
-    // TODO[serxa]: get rid of different ProbeRegistries, use unique one (singleton) with auto registration 
-    class TProbeRegistry: public TNonCopyable { 
-    private: 
-        TMutex Mutex; 
- 
-        // Probe* pointer uniquely identifies a probe and boxptr actually owns TProbe object (if required) 
-        using TProbes = THashMap<TProbe*, TBoxPtr>; 
-        TProbes Probes; 
- 
-        // Probe provider-name pairs must be unique, keep track of them 
-        using TIds = TSet<std::pair<TString, TString>>; 
-        TIds Ids; 
- 
-    public: 
-        // Add probes from null-terminated array of probe pointers. Probe can be added multiple times. Thread-safe. 
-        // Implies probes you pass will live forever (e.g. created by LWTRACE_DEFINE_PROVIDER) 
-        void AddProbesList(TProbe** reg); 
- 
-        // Manage probes that are created/destructed dynamically 
-        void AddProbe(const TBoxPtr& box); 
-        void RemoveProbe(TProbe* probe); 
- 
-        // Helper class to make thread-safe iteration over probes 
-        class TProbesAccessor { 
-        private: 
-            TGuard<TMutex> Guard; 
-            TProbes& Probes; 
-        public: 
-            explicit TProbesAccessor(TProbeRegistry* registry) 
-                : Guard(registry->Mutex) 
-                , Probes(registry->Probes) 
-            {} 
- 
-            explicit TProbesAccessor(TProbeRegistry& registry) 
-                : TProbesAccessor(&registry) 
-            {} 
- 
-            auto begin() { return Probes.begin(); } 
-            auto end() { return Probes.end(); } 
-        }; 
- 
-        friend class TProbesAccessor; 
- 
-    private: 
-        void AddProbeNoLock(const TBoxPtr& box); 
-        void RemoveProbeNoLock(TProbe* probe); 
-    }; 
- 
-    // Represents a compiled trace query, holds executors attached to probes 
-    class TSession: public TNonCopyable { 
-    public: 
-        typedef THashMap<TString, TAtomicBase> TTraceVariables; 
- 
-    private: 
-        const TInstant StartTime; 
-        const ui64 TraceIdx; 
-        TProbeRegistry& Registry; 
-        TDuration StoreDuration; 
-        TDuration ReadDuration; 
-        TCyclicLog CyclicLog; 
-        TDurationLog DurationLog; 
-        TCyclicDepot CyclicDepot; 
-        TDurationDepot DurationDepot; 
-        TAtomic LastTrackId; 
+
+        TProbe* GetProbe() override {
+            return Probe;
+        }
+    };
+
+    // Just a set of unique probes
+    // TODO[serxa]: get rid of different ProbeRegistries, use unique one (singleton) with auto registration
+    class TProbeRegistry: public TNonCopyable {
+    private:
+        TMutex Mutex;
+
+        // Probe* pointer uniquely identifies a probe and boxptr actually owns TProbe object (if required)
+        using TProbes = THashMap<TProbe*, TBoxPtr>;
+        TProbes Probes;
+
+        // Probe provider-name pairs must be unique, keep track of them
+        using TIds = TSet<std::pair<TString, TString>>;
+        TIds Ids;
+
+    public:
+        // Add probes from null-terminated array of probe pointers. Probe can be added multiple times. Thread-safe.
+        // Implies probes you pass will live forever (e.g. created by LWTRACE_DEFINE_PROVIDER)
+        void AddProbesList(TProbe** reg);
+
+        // Manage probes that are created/destructed dynamically
+        void AddProbe(const TBoxPtr& box);
+        void RemoveProbe(TProbe* probe);
+
+        // Helper class to make thread-safe iteration over probes
+        class TProbesAccessor {
+        private:
+            TGuard<TMutex> Guard;
+            TProbes& Probes;
+        public:
+            explicit TProbesAccessor(TProbeRegistry* registry)
+                : Guard(registry->Mutex)
+                , Probes(registry->Probes)
+            {}
+
+            explicit TProbesAccessor(TProbeRegistry& registry)
+                : TProbesAccessor(&registry)
+            {}
+
+            auto begin() { return Probes.begin(); }
+            auto end() { return Probes.end(); }
+        };
+
+        friend class TProbesAccessor;
+
+    private:
+        void AddProbeNoLock(const TBoxPtr& box);
+        void RemoveProbeNoLock(TProbe* probe);
+    };
+
+    // Represents a compiled trace query, holds executors attached to probes
+    class TSession: public TNonCopyable {
+    public:
+        typedef THashMap<TString, TAtomicBase> TTraceVariables;
+
+    private:
+        const TInstant StartTime;
+        const ui64 TraceIdx;
+        TProbeRegistry& Registry;
+        TDuration StoreDuration;
+        TDuration ReadDuration;
+        TCyclicLog CyclicLog;
+        TDurationLog DurationLog;
+        TCyclicDepot CyclicDepot;
+        TDurationDepot DurationDepot;
+        TAtomic LastTrackId;
         TAtomic LastSpanId;
-        typedef TVector<std::pair<TProbe*, IExecutor*>> TProbes; 
-        TProbes Probes; 
-        bool Attached; 
-        NLWTrace::TQuery Query; 
-        TTraceVariables TraceVariables; 
-        TTraceResources TraceResources; 
-        void InsertExecutor(TTraceVariables& traceVariables, 
-                            size_t bi, const NLWTrace::TPredicate* pred, 
-                            const google::protobuf::RepeatedPtrField<NLWTrace::TAction>& actions, 
-                            TProbe* probe, const bool destructiveActionsAllowed, 
-                            const TCustomActionFactory& customActionFactory); 
- 
-    private: 
-        void Destroy(); 
- 
-    public: 
-        TSession(ui64 traceIdx, 
-               TProbeRegistry& registry, 
-               const NLWTrace::TQuery& query, 
-               const bool destructiveActionsAllowed, 
-               const TCustomActionFactory& customActionFactory); 
-        ~TSession(); 
-        void Detach(); 
-        size_t GetEventsCount() const; 
-        size_t GetThreadsCount() const; 
-        const NLWTrace::TQuery& GetQuery() const { 
-            return Query; 
-        } 
-        TInstant GetStartTime() const { 
-            return StartTime; 
-        } 
-        ui64 GetTraceIdx() const { 
-            return TraceIdx; 
-        } 
-        TTraceResources& Resources() { 
-            return TraceResources; 
-        } 
-        const TTraceResources& Resources() const { 
-            return TraceResources; 
-        } 
- 
-        template <class TReader> 
-        void ReadThreads(TReader& r) const { 
-            CyclicLog.ReadThreads(r); 
-            DurationLog.ReadThreads(r); 
-        } 
- 
-        template <class TReader> 
-        void ReadItems(TReader& r) const { 
-            CyclicLog.ReadItems(r); 
-            DurationLog.ReadItems(GetCycleCount(), DurationToCycles(ReadDuration), r); 
-        } 
- 
-        template <class TReader> 
-        void ReadItems(ui64 now, ui64 duration, TReader& r) const { 
-            CyclicLog.ReadItems(r); 
-            DurationLog.ReadItems(now, duration, r); 
-        } 
- 
-        template <class TReader> 
-        void ReadDepotThreads(TReader& r) const { 
-            CyclicDepot.ReadThreads(r); 
-            DurationDepot.ReadThreads(r); 
-        } 
- 
-        template <class TReader> 
-        void ReadDepotItems(TReader& r) const { 
-            CyclicDepot.ReadItems(r); 
-            DurationDepot.ReadItems(GetCycleCount(), DurationToCycles(ReadDuration), r); 
-        } 
- 
-        template <class TReader> 
-        void ReadDepotItems(ui64 now, ui64 duration, TReader& r) const { 
-            CyclicDepot.ReadItems(r); 
-            DurationDepot.ReadItems(now, duration, r); 
-        } 
-        void ToProtobuf(TLogPb& pb) const; 
-    }; 
- 
+        typedef TVector<std::pair<TProbe*, IExecutor*>> TProbes;
+        TProbes Probes;
+        bool Attached;
+        NLWTrace::TQuery Query;
+        TTraceVariables TraceVariables;
+        TTraceResources TraceResources;
+        void InsertExecutor(TTraceVariables& traceVariables,
+                            size_t bi, const NLWTrace::TPredicate* pred,
+                            const google::protobuf::RepeatedPtrField<NLWTrace::TAction>& actions,
+                            TProbe* probe, const bool destructiveActionsAllowed,
+                            const TCustomActionFactory& customActionFactory);
+
+    private:
+        void Destroy();
+
+    public:
+        TSession(ui64 traceIdx,
+               TProbeRegistry& registry,
+               const NLWTrace::TQuery& query,
+               const bool destructiveActionsAllowed,
+               const TCustomActionFactory& customActionFactory);
+        ~TSession();
+        void Detach();
+        size_t GetEventsCount() const;
+        size_t GetThreadsCount() const;
+        const NLWTrace::TQuery& GetQuery() const {
+            return Query;
+        }
+        TInstant GetStartTime() const {
+            return StartTime;
+        }
+        ui64 GetTraceIdx() const {
+            return TraceIdx;
+        }
+        TTraceResources& Resources() {
+            return TraceResources;
+        }
+        const TTraceResources& Resources() const {
+            return TraceResources;
+        }
+
+        template <class TReader>
+        void ReadThreads(TReader& r) const {
+            CyclicLog.ReadThreads(r);
+            DurationLog.ReadThreads(r);
+        }
+
+        template <class TReader>
+        void ReadItems(TReader& r) const {
+            CyclicLog.ReadItems(r);
+            DurationLog.ReadItems(GetCycleCount(), DurationToCycles(ReadDuration), r);
+        }
+
+        template <class TReader>
+        void ReadItems(ui64 now, ui64 duration, TReader& r) const {
+            CyclicLog.ReadItems(r);
+            DurationLog.ReadItems(now, duration, r);
+        }
+
+        template <class TReader>
+        void ReadDepotThreads(TReader& r) const {
+            CyclicDepot.ReadThreads(r);
+            DurationDepot.ReadThreads(r);
+        }
+
+        template <class TReader>
+        void ReadDepotItems(TReader& r) const {
+            CyclicDepot.ReadItems(r);
+            DurationDepot.ReadItems(GetCycleCount(), DurationToCycles(ReadDuration), r);
+        }
+
+        template <class TReader>
+        void ReadDepotItems(ui64 now, ui64 duration, TReader& r) const {
+            CyclicDepot.ReadItems(r);
+            DurationDepot.ReadItems(now, duration, r);
+        }
+        void ToProtobuf(TLogPb& pb) const;
+    };
+
     // Deserialization result.
     // Either IsSuccess is true or FailedEventNames contains event names
     // we were not able to deserialize.
@@ -218,112 +218,112 @@ namespace NLWTrace {
         }
     };
 
-    // Just a registry of all active trace queries 
-    // Facade for all interactions with probes/traces 
-    class TManager: public TNonCopyable { 
-    private: 
-        TProbeRegistry& Registry; 
-        TMutex Mtx; 
+    // Just a registry of all active trace queries
+    // Facade for all interactions with probes/traces
+    class TManager: public TNonCopyable {
+    private:
+        TProbeRegistry& Registry;
+        TMutex Mtx;
         ui64 LastTraceIdx = 1;
-        typedef THashMap<TString, TSession*> TTraces; // traceId -> TSession 
-        TTraces Traces; 
-        bool DestructiveActionsAllowed; 
-        TCustomActionFactory CustomActionFactory; 
+        typedef THashMap<TString, TSession*> TTraces; // traceId -> TSession
+        TTraces Traces;
+        bool DestructiveActionsAllowed;
+        TCustomActionFactory CustomActionFactory;
         THolder<TRunLogShuttleActionExecutor<TCyclicDepot>> SerializingExecutor;
- 
-    public: 
+
+    public:
         static constexpr ui64 RemoteTraceIdx = 0;
 
     public:
-        TManager(TProbeRegistry& registry, bool allowDestructiveActions); 
-        ~TManager(); 
-        bool HasTrace(const TString& id) const; 
-        const TSession* GetTrace(const TString& id) const; 
-        void New(const TString& id, const NLWTrace::TQuery& query); 
-        void Delete(const TString& id); 
-        void Stop(const TString& id); 
- 
-        template <class TReader> 
-        void ReadProbes(TReader& reader) const { 
-            TProbeRegistry::TProbesAccessor probes(Registry); 
-            for (auto& kv : probes) { 
-                TProbe* probe = kv.first; 
-                reader.Push(probe); 
-            } 
-        } 
-
-        template <class TReader> 
-        void ReadTraces(TReader& reader) const { 
-            TGuard<TMutex> g(Mtx); 
-            for (const auto& Trace : Traces) { 
-                const TString& id = Trace.first; 
-                const TSession* trace = Trace.second; 
-                reader.Push(id, trace); 
-            } 
-        } 
- 
-        template <class TReader> 
-        void ReadLog(const TString& id, TReader& reader) { 
-            TGuard<TMutex> g(Mtx); 
-            TTraces::iterator it = Traces.find(id); 
-            if (it == Traces.end()) { 
-                ythrow yexception() << "trace id '" << id << "' is not used"; 
-            } else { 
-                TSession* trace = it->second; 
-                trace->ReadItems(reader); 
-            } 
-        } 
- 
-        template <class TReader> 
-        void ReadLog(const TString& id, ui64 now, TReader& reader) { 
-            TGuard<TMutex> g(Mtx); 
-            TTraces::iterator it = Traces.find(id); 
-            if (it == Traces.end()) { 
-                ythrow yexception() << "trace id '" << id << "' is not used"; 
-            } else { 
-                TSession* trace = it->second; 
-                trace->ReadItems(now, reader); 
-            } 
-        } 
- 
-        template <class TReader> 
-        void ReadDepot(const TString& id, TReader& reader) { 
-            TGuard<TMutex> g(Mtx); 
-            TTraces::iterator it = Traces.find(id); 
-            if (it == Traces.end()) { 
-                ythrow yexception() << "trace id '" << id << "' is not used"; 
-            } else { 
-                TSession* trace = it->second; 
-                trace->ReadDepotItems(reader); 
-            } 
-        } 
- 
-        template <class TReader> 
-        void ReadDepot(const TString& id, ui64 now, TReader& reader) { 
-            TGuard<TMutex> g(Mtx); 
-            TTraces::iterator it = Traces.find(id); 
-            if (it == Traces.end()) { 
-                ythrow yexception() << "trace id '" << id << "' is not used"; 
-            } else { 
-                TSession* trace = it->second; 
-                trace->ReadDepotItems(now, reader); 
-            } 
-        } 
- 
-        bool GetDestructiveActionsAllowed() { 
-            return DestructiveActionsAllowed; 
-        } 
- 
-        void RegisterCustomAction(const TString& name, const TCustomActionFactory::TCallback& callback) { 
-            CustomActionFactory.Register(name, callback); 
-        } 
- 
-        template <class T> 
-        void RegisterCustomAction() { 
-            CustomActionFactory.Register(T::GetActionName(), [=](TProbe* probe, const TCustomAction& action, TSession* trace) { 
-                return new T(probe, action, trace); 
-            }); 
-        } 
+        TManager(TProbeRegistry& registry, bool allowDestructiveActions);
+        ~TManager();
+        bool HasTrace(const TString& id) const;
+        const TSession* GetTrace(const TString& id) const;
+        void New(const TString& id, const NLWTrace::TQuery& query);
+        void Delete(const TString& id);
+        void Stop(const TString& id);
+
+        template <class TReader>
+        void ReadProbes(TReader& reader) const {
+            TProbeRegistry::TProbesAccessor probes(Registry);
+            for (auto& kv : probes) {
+                TProbe* probe = kv.first;
+                reader.Push(probe);
+            }
+        }
+
+        template <class TReader>
+        void ReadTraces(TReader& reader) const {
+            TGuard<TMutex> g(Mtx);
+            for (const auto& Trace : Traces) {
+                const TString& id = Trace.first;
+                const TSession* trace = Trace.second;
+                reader.Push(id, trace);
+            }
+        }
+
+        template <class TReader>
+        void ReadLog(const TString& id, TReader& reader) {
+            TGuard<TMutex> g(Mtx);
+            TTraces::iterator it = Traces.find(id);
+            if (it == Traces.end()) {
+                ythrow yexception() << "trace id '" << id << "' is not used";
+            } else {
+                TSession* trace = it->second;
+                trace->ReadItems(reader);
+            }
+        }
+
+        template <class TReader>
+        void ReadLog(const TString& id, ui64 now, TReader& reader) {
+            TGuard<TMutex> g(Mtx);
+            TTraces::iterator it = Traces.find(id);
+            if (it == Traces.end()) {
+                ythrow yexception() << "trace id '" << id << "' is not used";
+            } else {
+                TSession* trace = it->second;
+                trace->ReadItems(now, reader);
+            }
+        }
+
+        template <class TReader>
+        void ReadDepot(const TString& id, TReader& reader) {
+            TGuard<TMutex> g(Mtx);
+            TTraces::iterator it = Traces.find(id);
+            if (it == Traces.end()) {
+                ythrow yexception() << "trace id '" << id << "' is not used";
+            } else {
+                TSession* trace = it->second;
+                trace->ReadDepotItems(reader);
+            }
+        }
+
+        template <class TReader>
+        void ReadDepot(const TString& id, ui64 now, TReader& reader) {
+            TGuard<TMutex> g(Mtx);
+            TTraces::iterator it = Traces.find(id);
+            if (it == Traces.end()) {
+                ythrow yexception() << "trace id '" << id << "' is not used";
+            } else {
+                TSession* trace = it->second;
+                trace->ReadDepotItems(now, reader);
+            }
+        }
+
+        bool GetDestructiveActionsAllowed() {
+            return DestructiveActionsAllowed;
+        }
+
+        void RegisterCustomAction(const TString& name, const TCustomActionFactory::TCallback& callback) {
+            CustomActionFactory.Register(name, callback);
+        }
+
+        template <class T>
+        void RegisterCustomAction() {
+            CustomActionFactory.Register(T::GetActionName(), [=](TProbe* probe, const TCustomAction& action, TSession* trace) {
+                return new T(probe, action, trace);
+            });
+        }
 
         TProbeMap GetProbesMap();
 
@@ -347,5 +347,5 @@ namespace NLWTrace {
         bool IsTraced(TOrbit& orbit) {
             return orbit.HasShuttle(TManager::RemoteTraceIdx);
         }
-    }; 
-} 
+    };
+}
diff --git a/library/cpp/lwtrace/custom_action.cpp b/library/cpp/lwtrace/custom_action.cpp
index dc97b44ac0..a379b34ec0 100644
--- a/library/cpp/lwtrace/custom_action.cpp
+++ b/library/cpp/lwtrace/custom_action.cpp
@@ -1,21 +1,21 @@
-#include "custom_action.h" 
+#include "custom_action.h"
 
 #include "control.h"
 
 using namespace NLWTrace;
 
-TCustomActionExecutor* TCustomActionFactory::Create(TProbe* probe, const TCustomAction& action, TSession* trace) const { 
-    auto iter = Callbacks.find(action.GetName()); 
-    if (iter != Callbacks.end()) { 
-        return iter->second(probe, action, trace); 
-    } else { 
-        return nullptr; 
-    } 
+TCustomActionExecutor* TCustomActionFactory::Create(TProbe* probe, const TCustomAction& action, TSession* trace) const {
+    auto iter = Callbacks.find(action.GetName());
+    if (iter != Callbacks.end()) {
+        return iter->second(probe, action, trace);
+    } else {
+        return nullptr;
+    }
 }
- 
-void TCustomActionFactory::Register(const TString& name, const TCustomActionFactory::TCallback& callback) { 
+
+void TCustomActionFactory::Register(const TString& name, const TCustomActionFactory::TCallback& callback) {
     if (Callbacks.contains(name)) {
-        ythrow yexception() << "duplicate custom action '" << name << "'"; 
-    } 
-    Callbacks[name] = callback; 
-} 
+        ythrow yexception() << "duplicate custom action '" << name << "'";
+    }
+    Callbacks[name] = callback;
+}
diff --git a/library/cpp/lwtrace/custom_action.h b/library/cpp/lwtrace/custom_action.h
index 6d950a39e1..92a3c66b84 100644
--- a/library/cpp/lwtrace/custom_action.h
+++ b/library/cpp/lwtrace/custom_action.h
@@ -8,68 +8,68 @@
 
 #include <functional>
 
-namespace NLWTrace { 
-    class TSession; 
+namespace NLWTrace {
+    class TSession;
 
-    // Custom action can save any stuff (derived from IResource) in TSession object 
-    // IMPORTANT: Derived class will be used from multiple threads! (see example3) 
-    class IResource: public TAtomicRefCount<IResource> { 
-    public: 
-        virtual ~IResource() { 
-        } 
-    }; 
-    using TResourcePtr = TIntrusivePtr<IResource>; 
- 
-    // Trace resources that is used to hold/get/create any stuff 
-    class TTraceResources: public THashMap<TString, TResourcePtr> { 
-    public: 
-        template <class T> 
-        T& Get(const TString& name) { 
-            auto iter = find(name); 
-            if (iter == end()) { 
-                iter = insert(value_type(name, TResourcePtr(new T()))).first; 
-            } 
-            return *static_cast<T*>(iter->second.Get()); 
-        } 
- 
-        template <class T> 
-        const T* GetOrNull(const TString& name) const { 
-            auto iter = find(name); 
-            if (iter == end()) { 
-                return nullptr; 
-            } 
-            return *iter->second; 
-        } 
-    }; 
- 
-    // Base class of all custom actions 
-    class TCustomActionExecutor: public IExecutor { 
-    protected: 
-        TProbe* const Probe; 
-        bool Destructive; 
- 
-    public: 
-        TCustomActionExecutor(TProbe* probe, bool destructive) 
-            : IExecutor() 
-            , Probe(probe) 
-            , Destructive(destructive) 
-        { 
-        } 
- 
-        bool IsDestructive() { 
-            return Destructive; 
-        } 
-    }; 
+    // Custom action can save any stuff (derived from IResource) in TSession object
+    // IMPORTANT: Derived class will be used from multiple threads! (see example3)
+    class IResource: public TAtomicRefCount<IResource> {
+    public:
+        virtual ~IResource() {
+        }
+    };
+    using TResourcePtr = TIntrusivePtr<IResource>;
 
-    // Factory to produce custom action executors 
-    class TCustomActionFactory { 
-    public: 
-        using TCallback = std::function<TCustomActionExecutor*(TProbe* probe, const TCustomAction& action, TSession* trace)>; 
-        TCustomActionExecutor* Create(TProbe* probe, const TCustomAction& action, TSession* trace) const; 
-        void Register(const TString& name, const TCallback& callback); 
- 
-    private: 
-        THashMap<TString, TCallback> Callbacks; 
-    }; 
- 
-} 
+    // Trace resources that is used to hold/get/create any stuff
+    class TTraceResources: public THashMap<TString, TResourcePtr> {
+    public:
+        template <class T>
+        T& Get(const TString& name) {
+            auto iter = find(name);
+            if (iter == end()) {
+                iter = insert(value_type(name, TResourcePtr(new T()))).first;
+            }
+            return *static_cast<T*>(iter->second.Get());
+        }
+
+        template <class T>
+        const T* GetOrNull(const TString& name) const {
+            auto iter = find(name);
+            if (iter == end()) {
+                return nullptr;
+            }
+            return *iter->second;
+        }
+    };
+
+    // Base class of all custom actions
+    class TCustomActionExecutor: public IExecutor {
+    protected:
+        TProbe* const Probe;
+        bool Destructive;
+
+    public:
+        TCustomActionExecutor(TProbe* probe, bool destructive)
+            : IExecutor()
+            , Probe(probe)
+            , Destructive(destructive)
+        {
+        }
+
+        bool IsDestructive() {
+            return Destructive;
+        }
+    };
+
+    // Factory to produce custom action executors
+    class TCustomActionFactory {
+    public:
+        using TCallback = std::function<TCustomActionExecutor*(TProbe* probe, const TCustomAction& action, TSession* trace)>;
+        TCustomActionExecutor* Create(TProbe* probe, const TCustomAction& action, TSession* trace) const;
+        void Register(const TString& name, const TCallback& callback);
+
+    private:
+        THashMap<TString, TCallback> Callbacks;
+    };
+
+}
diff --git a/library/cpp/lwtrace/event.h b/library/cpp/lwtrace/event.h
index 417ec823d8..e53a620c45 100644
--- a/library/cpp/lwtrace/event.h
+++ b/library/cpp/lwtrace/event.h
@@ -1,29 +1,29 @@
-#pragma once 
- 
+#pragma once
+
 #include "preprocessor.h"
-#include "signature.h" 
+#include "signature.h"
 #include "param_traits.h"
 
 #include <library/cpp/lwtrace/protos/lwtrace.pb.h>
- 
-namespace NLWTrace { 
-    // Common class for all events 
-    struct TEvent { 
-        const char* Name; 
-        const char* Groups[LWTRACE_MAX_GROUPS + 1]; 
-        TSignature Signature; 
- 
-        const char* GetProvider() const { 
-            return Groups[0]; 
-        } 
- 
-        void ToProtobuf(TEventPb& pb) const { 
-            pb.SetName(Name); 
-            for (const char* const* gi = Groups; *gi != nullptr; gi++) { 
-                pb.AddGroups(*gi); 
-            } 
-            Signature.ToProtobuf(pb); 
-        } 
-    }; 
- 
-} 
+
+namespace NLWTrace {
+    // Common class for all events
+    struct TEvent {
+        const char* Name;
+        const char* Groups[LWTRACE_MAX_GROUPS + 1];
+        TSignature Signature;
+
+        const char* GetProvider() const {
+            return Groups[0];
+        }
+
+        void ToProtobuf(TEventPb& pb) const {
+            pb.SetName(Name);
+            for (const char* const* gi = Groups; *gi != nullptr; gi++) {
+                pb.AddGroups(*gi);
+            }
+            Signature.ToProtobuf(pb);
+        }
+    };
+
+}
diff --git a/library/cpp/lwtrace/example1/lwtrace_example1.cpp b/library/cpp/lwtrace/example1/lwtrace_example1.cpp
index ff6891ec18..6b32c405ee 100644
--- a/library/cpp/lwtrace/example1/lwtrace_example1.cpp
+++ b/library/cpp/lwtrace/example1/lwtrace_example1.cpp
@@ -1,6 +1,6 @@
 #include <library/cpp/lwtrace/all.h>
 
-#define LWTRACE_EXAMPLE_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)          \ 
+#define LWTRACE_EXAMPLE_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)          \
     PROBE(IterationProbe, GROUPS(), TYPES(i32, double), NAMES("n", "result")) \
     /**/
 
@@ -11,7 +11,7 @@ void InitLWTrace() {
     NLWTrace::StartLwtraceFromEnv();
 }
 
-long double Fact(int n) { 
+long double Fact(int n) {
     if (n < 0) {
         ythrow yexception() << "N! is undefined for negative N (" << n << ")";
     }
diff --git a/library/cpp/lwtrace/example2/lwtrace_example2.cpp b/library/cpp/lwtrace/example2/lwtrace_example2.cpp
index faf95a7c61..7a4f7a1daf 100644
--- a/library/cpp/lwtrace/example2/lwtrace_example2.cpp
+++ b/library/cpp/lwtrace/example2/lwtrace_example2.cpp
@@ -5,18 +5,18 @@
 #include <google/protobuf/text_format.h>
 #include <util/stream/file.h>
 
-#define LWTRACE_EXAMPLE_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)                           \ 
-    PROBE(StartupProbe, GROUPS(), TYPES(), NAMES())                                            \ 
-    PROBE(IterationProbe, GROUPS(), TYPES(i64, double), NAMES("n", "result"))                  \ 
+#define LWTRACE_EXAMPLE_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)                           \
+    PROBE(StartupProbe, GROUPS(), TYPES(), NAMES())                                            \
+    PROBE(IterationProbe, GROUPS(), TYPES(i64, double), NAMES("n", "result"))                  \
     PROBE(DurationProbe, GROUPS(), TYPES(ui64, i64, double), NAMES("duration", "n", "result")) \
-    PROBE(ResultProbe, GROUPS(), TYPES(double), NAMES("factN"))                                \ 
-    PROBE(AfterInputProbe, GROUPS(), TYPES(i32), NAMES("n"))                                   \ 
+    PROBE(ResultProbe, GROUPS(), TYPES(double), NAMES("factN"))                                \
+    PROBE(AfterInputProbe, GROUPS(), TYPES(i32), NAMES("n"))                                   \
     /**/
 
 LWTRACE_DECLARE_PROVIDER(LWTRACE_EXAMPLE_PROVIDER)
 LWTRACE_DEFINE_PROVIDER(LWTRACE_EXAMPLE_PROVIDER)
 
-THolder<NLWTrace::TManager> traceManager; 
+THolder<NLWTrace::TManager> traceManager;
 
 struct TConfig {
     bool UnsafeLWTrace;
@@ -24,7 +24,7 @@ struct TConfig {
 };
 
 void InitLWTrace(TConfig& cfg) {
-    traceManager.Reset(new NLWTrace::TManager(*Singleton<NLWTrace::TProbeRegistry>(), cfg.UnsafeLWTrace)); 
+    traceManager.Reset(new NLWTrace::TManager(*Singleton<NLWTrace::TProbeRegistry>(), cfg.UnsafeLWTrace));
 }
 
 void AddLWTraceRequest(TConfig& cfg) {
@@ -36,7 +36,7 @@ void AddLWTraceRequest(TConfig& cfg) {
 
 class TLogReader {
 public:
-    void Push(TThread::TId tid, const NLWTrace::TCyclicLog::TItem& item) { 
+    void Push(TThread::TId tid, const NLWTrace::TCyclicLog::TItem& item) {
         Cout << "tid=" << tid << " probe=" << item.Probe->Event.Name;
         if (item.Timestamp != TInstant::Zero()) {
             Cout << " time=" << item.Timestamp;
@@ -59,7 +59,7 @@ void DisplayLWTraceLog() {
     traceManager->ReadLog("TraceRequest1", reader);
 }
 
-long double Fact(i64 n) { 
+long double Fact(i64 n) {
     if (n < 0) {
         ythrow yexception() << "N! is undefined for negative N (" << n << ")";
     }
@@ -94,14 +94,14 @@ int main(int argc, char** argv) {
     using namespace NLastGetopt;
     TOpts opts = NLastGetopt::TOpts::Default();
     opts.AddLongOption('u', "unsafe-lwtrace",
-                       "allow destructive LWTrace actions") 
-        .OptionalValue(ToString(true)) 
-        .DefaultValue(ToString(false)) 
-        .StoreResult(&cfg.UnsafeLWTrace); 
+                       "allow destructive LWTrace actions")
+        .OptionalValue(ToString(true))
+        .DefaultValue(ToString(false))
+        .StoreResult(&cfg.UnsafeLWTrace);
     opts.AddLongOption('f', "trace-request",
-                       "specify a file containing LWTrace request") 
-        .DefaultValue("example_query.tr") 
-        .StoreResult(&cfg.TraceRequestPath); 
+                       "specify a file containing LWTrace request")
+        .DefaultValue("example_query.tr")
+        .StoreResult(&cfg.TraceRequestPath);
     opts.AddHelpOption('h');
     TOptsParseResult res(&opts, argc, argv);
 
diff --git a/library/cpp/lwtrace/example3/example_query.tr b/library/cpp/lwtrace/example3/example_query.tr
index e53c21c02d..1f841b0932 100644
--- a/library/cpp/lwtrace/example3/example_query.tr
+++ b/library/cpp/lwtrace/example3/example_query.tr
@@ -4,10 +4,10 @@ Blocks {
        Provider: "LWTRACE_EXAMPLE_PROVIDER"
     }
     Action {
-        CustomAction { 
-	    Name: "MyAction" 
-            Opts: "/dev/stdout" 
-	} 
+        CustomAction {
+	    Name: "MyAction"
+            Opts: "/dev/stdout"
+	}
     }
 }
 
diff --git a/library/cpp/lwtrace/example3/lwtrace_example3.cpp b/library/cpp/lwtrace/example3/lwtrace_example3.cpp
index 2fa2976a69..4493dc0077 100644
--- a/library/cpp/lwtrace/example3/lwtrace_example3.cpp
+++ b/library/cpp/lwtrace/example3/lwtrace_example3.cpp
@@ -1,8 +1,8 @@
 #include <library/cpp/lwtrace/all.h>
 #include <google/protobuf/text_format.h>
-#include "my_action.h" 
+#include "my_action.h"
 
-#define LWTRACE_EXAMPLE_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)          \ 
+#define LWTRACE_EXAMPLE_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)          \
     PROBE(IterationProbe, GROUPS(), TYPES(i32, double), NAMES("n", "result")) \
     /**/
 
@@ -10,12 +10,12 @@ LWTRACE_DECLARE_PROVIDER(LWTRACE_EXAMPLE_PROVIDER)
 LWTRACE_DEFINE_PROVIDER(LWTRACE_EXAMPLE_PROVIDER)
 
 void InitLWTrace() {
-    NLWTrace::StartLwtraceFromEnv([=](NLWTrace::TManager& mngr) { 
-        mngr.RegisterCustomAction<TMyActionExecutor>(); 
-    }); 
+    NLWTrace::StartLwtraceFromEnv([=](NLWTrace::TManager& mngr) {
+        mngr.RegisterCustomAction<TMyActionExecutor>();
+    });
 }
 
-long double Fact(int n) { 
+long double Fact(int n) {
     if (n < 0) {
         ythrow yexception() << "N! is undefined for negative N (" << n << ")";
     }
diff --git a/library/cpp/lwtrace/example3/my_action.h b/library/cpp/lwtrace/example3/my_action.h
index 80a34ecca8..9a04293ba2 100644
--- a/library/cpp/lwtrace/example3/my_action.h
+++ b/library/cpp/lwtrace/example3/my_action.h
@@ -1,85 +1,85 @@
-#pragma once 
- 
+#pragma once
+
 #include <library/cpp/lwtrace/all.h>
-#include <util/stream/file.h> 
- 
-// Example of custom state for custom executors 
-// Holds file for output from TMyActionExecutor 
-class TMyFile: public NLWTrace::IResource { 
-private: 
-    TMutex Mutex; 
+#include <util/stream/file.h>
+
+// Example of custom state for custom executors
+// Holds file for output from TMyActionExecutor
+class TMyFile: public NLWTrace::IResource {
+private:
+    TMutex Mutex;
     THolder<TUnbufferedFileOutput> File;
- 
-public: 
-    // Note that this class must have default ctor (it's declared here just for clearness) 
-    TMyFile() { 
-    } 
- 
-    // Note that dtor will be called by TManager::Delete() after detachment and destruction of all executors 
-    ~TMyFile() { 
-    } 
- 
-    // Some kind of state initialization 
-    // Can be called only from executor constructor, and should not be thread-safe 
-    void Open(const TString& path) { 
-        if (File) { 
-            // We must avoid double open because each executor will call Open() on the same object 
-            // if the same file was specified in Opts 
-            return; 
-        } 
+
+public:
+    // Note that this class must have default ctor (it's declared here just for clearness)
+    TMyFile() {
+    }
+
+    // Note that dtor will be called by TManager::Delete() after detachment and destruction of all executors
+    ~TMyFile() {
+    }
+
+    // Some kind of state initialization
+    // Can be called only from executor constructor, and should not be thread-safe
+    void Open(const TString& path) {
+        if (File) {
+            // We must avoid double open because each executor will call Open() on the same object
+            // if the same file was specified in Opts
+            return;
+        }
         File.Reset(new TUnbufferedFileOutput(path));
-    } 
- 
-    // Outputs a line to opened file 
-    // Can be called from DoExecute() and must be thread-safe 
-    void Output(const TString& line) { 
-        Y_VERIFY(File); 
-        TGuard<TMutex> g(Mutex); // Because DoExecute() call can come from any thread 
-        *File << line << Endl; 
-    } 
-}; 
- 
-// Action that prints events to specified file 
-class TMyActionExecutor: public NLWTrace::TCustomActionExecutor { 
-private: 
-    TMyFile& File; 
- 
-public: 
-    TMyActionExecutor(NLWTrace::TProbe* probe, const NLWTrace::TCustomAction& action, NLWTrace::TSession* session) 
-        : NLWTrace::TCustomActionExecutor(probe, false /* not destructive */) 
-        , File(session->Resources().Get<TMyFile>("FileHolder/" + action.GetOpts(0))) // unique state id must include your d 
-    { 
-        if (action.GetOpts().size() != 1) { 
-            yexception() << "wrong number of Opts in MyAction"; 
-        } 
-        File.Open(action.GetOpts(0)); 
-    } 
- 
-    static const char* GetActionName() { 
-        static const char name[] = "MyAction"; 
-        return name; 
-    } 
- 
-private: 
-    virtual bool DoExecute(NLWTrace::TOrbit&, const NLWTrace::TParams& params) { 
-        // Serialize param values to strings 
+    }
+
+    // Outputs a line to opened file
+    // Can be called from DoExecute() and must be thread-safe
+    void Output(const TString& line) {
+        Y_VERIFY(File);
+        TGuard<TMutex> g(Mutex); // Because DoExecute() call can come from any thread
+        *File << line << Endl;
+    }
+};
+
+// Action that prints events to specified file
+class TMyActionExecutor: public NLWTrace::TCustomActionExecutor {
+private:
+    TMyFile& File;
+
+public:
+    TMyActionExecutor(NLWTrace::TProbe* probe, const NLWTrace::TCustomAction& action, NLWTrace::TSession* session)
+        : NLWTrace::TCustomActionExecutor(probe, false /* not destructive */)
+        , File(session->Resources().Get<TMyFile>("FileHolder/" + action.GetOpts(0))) // unique state id must include your d
+    {
+        if (action.GetOpts().size() != 1) {
+            yexception() << "wrong number of Opts in MyAction";
+        }
+        File.Open(action.GetOpts(0));
+    }
+
+    static const char* GetActionName() {
+        static const char name[] = "MyAction";
+        return name;
+    }
+
+private:
+    virtual bool DoExecute(NLWTrace::TOrbit&, const NLWTrace::TParams& params) {
+        // Serialize param values to strings
         TString paramValues[LWTRACE_MAX_PARAMS];
-        Probe->Event.Signature.SerializeParams(params, paramValues); 
- 
-        // Generate output line 
-        TStringStream ss; 
-        ss << "TMyActionExecutor>>> "; 
-        ss << Probe->Event.Name; 
-        for (ui32 i = 0; i < Probe->Event.Signature.ParamCount; ++i) { 
-            ss << " " << Probe->Event.Signature.ParamNames[i] << "=" << paramValues[i]; 
-        } 
- 
-        // Write line to file 
-        File.Output(ss.Str()); 
- 
-        // Executors can chain if you specify multiple actions in one block (in trace query). 
-        // So return true to continue execution of actions for given trace query block (on current triggered event) 
-        // or return false if this action is the last for this block 
-        return true; 
-    } 
-}; 
+        Probe->Event.Signature.SerializeParams(params, paramValues);
+
+        // Generate output line
+        TStringStream ss;
+        ss << "TMyActionExecutor>>> ";
+        ss << Probe->Event.Name;
+        for (ui32 i = 0; i < Probe->Event.Signature.ParamCount; ++i) {
+            ss << " " << Probe->Event.Signature.ParamNames[i] << "=" << paramValues[i];
+        }
+
+        // Write line to file
+        File.Output(ss.Str());
+
+        // Executors can chain if you specify multiple actions in one block (in trace query).
+        // So return true to continue execution of actions for given trace query block (on current triggered event)
+        // or return false if this action is the last for this block
+        return true;
+    }
+};
diff --git a/library/cpp/lwtrace/example3/start_with_query.sh b/library/cpp/lwtrace/example3/start_with_query.sh
index 09f4395f7c..5cd221856f 100755
--- a/library/cpp/lwtrace/example3/start_with_query.sh
+++ b/library/cpp/lwtrace/example3/start_with_query.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
-echo "Executing program with following trace query:" 
-cat example_query.tr 
-echo -n "Press any key to start program" 
-read 
-LWTRACE="example_query.tr" ./lwtrace-example3 
+echo "Executing program with following trace query:"
+cat example_query.tr
+echo -n "Press any key to start program"
+read
+LWTRACE="example_query.tr" ./lwtrace-example3
diff --git a/library/cpp/lwtrace/example3/ya.make b/library/cpp/lwtrace/example3/ya.make
index e3a16da2b2..c5b31586e9 100644
--- a/library/cpp/lwtrace/example3/ya.make
+++ b/library/cpp/lwtrace/example3/ya.make
@@ -1,9 +1,9 @@
-PROGRAM(lwtrace-example3) 
+PROGRAM(lwtrace-example3)
 
-OWNER(serxa) 
+OWNER(serxa)
 
 SRCS(
-    lwtrace_example3.cpp 
+    lwtrace_example3.cpp
 )
 
 PEERDIR(
diff --git a/library/cpp/lwtrace/example4/example_query.tr b/library/cpp/lwtrace/example4/example_query.tr
index 54441f9082..46cd25ce91 100644
--- a/library/cpp/lwtrace/example4/example_query.tr
+++ b/library/cpp/lwtrace/example4/example_query.tr
@@ -1,6 +1,6 @@
 Blocks {
    ProbeDesc {
-       Name: "BackTrack" 
+       Name: "BackTrack"
        Provider: "LWTRACE_EXAMPLE_PROVIDER"
     }
     Action {
diff --git a/library/cpp/lwtrace/example4/lwtrace_example4.cpp b/library/cpp/lwtrace/example4/lwtrace_example4.cpp
index 1e99923d22..7b55a07c75 100644
--- a/library/cpp/lwtrace/example4/lwtrace_example4.cpp
+++ b/library/cpp/lwtrace/example4/lwtrace_example4.cpp
@@ -1,37 +1,37 @@
 #include <library/cpp/lwtrace/all.h>
 
-#define LWTRACE_EXAMPLE_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)     \ 
-    PROBE(BackTrack, GROUPS(), TYPES(NLWTrace::TSymbol), NAMES("frame")) \ 
+#define LWTRACE_EXAMPLE_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)     \
+    PROBE(BackTrack, GROUPS(), TYPES(NLWTrace::TSymbol), NAMES("frame")) \
     /**/
 
 LWTRACE_DECLARE_PROVIDER(LWTRACE_EXAMPLE_PROVIDER)
 LWTRACE_DEFINE_PROVIDER(LWTRACE_EXAMPLE_PROVIDER)
 
-LWTRACE_USING(LWTRACE_EXAMPLE_PROVIDER); 
- 
-#define MY_BACKTRACK() LWPROBE(BackTrack, LWTRACE_LOCATION_SYMBOL) 
- 
+LWTRACE_USING(LWTRACE_EXAMPLE_PROVIDER);
+
+#define MY_BACKTRACK() LWPROBE(BackTrack, LWTRACE_LOCATION_SYMBOL)
+
 void InitLWTrace() {
     NLWTrace::StartLwtraceFromEnv();
 }
 
-long double Fact(int n) { 
-    MY_BACKTRACK(); 
+long double Fact(int n) {
+    MY_BACKTRACK();
     if (n < 0) {
-        MY_BACKTRACK(); 
+        MY_BACKTRACK();
         ythrow yexception() << "N! is undefined for negative N (" << n << ")";
     }
     double result = 1;
     for (; n > 1; --n) {
-        MY_BACKTRACK(); 
+        MY_BACKTRACK();
         result *= n;
     }
-    MY_BACKTRACK(); 
+    MY_BACKTRACK();
     return result;
 }
 
 void FactorialCalculator() {
-    MY_BACKTRACK(); 
+    MY_BACKTRACK();
     i32 n;
     Cout << "Enter a number: ";
     TString str;
@@ -42,8 +42,8 @@ void FactorialCalculator() {
 
 int main() {
     InitLWTrace();
-    MY_BACKTRACK(); 
+    MY_BACKTRACK();
     FactorialCalculator();
-    MY_BACKTRACK(); 
+    MY_BACKTRACK();
     return 0;
 }
diff --git a/library/cpp/lwtrace/example4/start_with_query.sh b/library/cpp/lwtrace/example4/start_with_query.sh
index 17cf93f3b0..5bc195c1ae 100755
--- a/library/cpp/lwtrace/example4/start_with_query.sh
+++ b/library/cpp/lwtrace/example4/start_with_query.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 export LWTRACE="example_query.tr"
-./lwtrace-example4 
+./lwtrace-example4
diff --git a/library/cpp/lwtrace/example4/ya.make b/library/cpp/lwtrace/example4/ya.make
index 22dd209068..a3004340a8 100644
--- a/library/cpp/lwtrace/example4/ya.make
+++ b/library/cpp/lwtrace/example4/ya.make
@@ -1,9 +1,9 @@
-PROGRAM(lwtrace-example4) 
+PROGRAM(lwtrace-example4)
 
-OWNER(serxa) 
+OWNER(serxa)
 
 SRCS(
-    lwtrace_example4.cpp 
+    lwtrace_example4.cpp
 )
 
 PEERDIR(
diff --git a/library/cpp/lwtrace/example5/example_query.tr b/library/cpp/lwtrace/example5/example_query.tr
index 34f872d7ee..90887d4ddf 100644
--- a/library/cpp/lwtrace/example5/example_query.tr
+++ b/library/cpp/lwtrace/example5/example_query.tr
@@ -1,9 +1,9 @@
-Blocks { 
-   ProbeDesc { 
-       Group: "LWTRACE_EXAMPLE_PROVIDER" 
-    } 
-    Action { 
-        PrintToStderrAction { } 
-    } 
-} 
- 
+Blocks {
+   ProbeDesc {
+       Group: "LWTRACE_EXAMPLE_PROVIDER"
+    }
+    Action {
+        PrintToStderrAction { }
+    }
+}
+
diff --git a/library/cpp/lwtrace/example5/lwtrace_example5.cpp b/library/cpp/lwtrace/example5/lwtrace_example5.cpp
index 3a5e3def30..1c324473c2 100644
--- a/library/cpp/lwtrace/example5/lwtrace_example5.cpp
+++ b/library/cpp/lwtrace/example5/lwtrace_example5.cpp
@@ -1,30 +1,30 @@
 #include <library/cpp/lwtrace/all.h>
 #include <library/cpp/lwtrace/lwprobe.h>
- 
-template <ui64 N> 
-ui64 Fact() { 
+
+template <ui64 N>
+ui64 Fact() {
     ui64 result = N * Fact<N - 1>();
- 
+
 #ifndef LWTRACE_DISABLE
-    // Note that probe is create on the first pass 
-    // LWTRACE_DECLARE_PROVIDER and LWTRACE_DEFINE_PROVIDER are not needed 
-    // (Provider is created implicitly) 
-    static NLWTrace::TLWProbe<ui64> factProbe( 
-        "LWTRACE_EXAMPLE_PROVIDER", "FactProbe_" + ToString(N), {}, {"result"}); 
- 
-    LWPROBE_OBJ(factProbe, result); 
+    // Note that probe is create on the first pass
+    // LWTRACE_DECLARE_PROVIDER and LWTRACE_DEFINE_PROVIDER are not needed
+    // (Provider is created implicitly)
+    static NLWTrace::TLWProbe<ui64> factProbe(
+        "LWTRACE_EXAMPLE_PROVIDER", "FactProbe_" + ToString(N), {}, {"result"});
+
+    LWPROBE_OBJ(factProbe, result);
 #endif // LWTRACE_DISABLE
-    return result; 
-} 
- 
-template <> 
-ui64 Fact<0>() { 
-    return 1; 
-} 
- 
-int main() { 
+    return result;
+}
+
+template <>
+ui64 Fact<0>() {
+    return 1;
+}
+
+int main() {
     Fact<6>();                       // First run is required to create probes we can use later in trace query
-    NLWTrace::StartLwtraceFromEnv(); // parse trace query and create trace session 
+    NLWTrace::StartLwtraceFromEnv(); // parse trace query and create trace session
     Cout << Fact<6>() << Endl;       // actually trigger probes
-    return 0; 
-} 
+    return 0;
+}
diff --git a/library/cpp/lwtrace/example5/start_with_query.sh b/library/cpp/lwtrace/example5/start_with_query.sh
index 9802100f5b..4df5e4e47c 100755
--- a/library/cpp/lwtrace/example5/start_with_query.sh
+++ b/library/cpp/lwtrace/example5/start_with_query.sh
@@ -1,3 +1,3 @@
-#!/bin/bash 
-export LWTRACE="example_query.tr" 
-./lwtrace-example5 
+#!/bin/bash
+export LWTRACE="example_query.tr"
+./lwtrace-example5
diff --git a/library/cpp/lwtrace/example5/ya.make b/library/cpp/lwtrace/example5/ya.make
index 04ee4d29f2..06dd4dc569 100644
--- a/library/cpp/lwtrace/example5/ya.make
+++ b/library/cpp/lwtrace/example5/ya.make
@@ -1,13 +1,13 @@
-PROGRAM(lwtrace-example5) 
- 
-OWNER(serxa) 
- 
-SRCS( 
-    lwtrace_example5.cpp 
-) 
- 
-PEERDIR( 
+PROGRAM(lwtrace-example5)
+
+OWNER(serxa)
+
+SRCS(
+    lwtrace_example5.cpp
+)
+
+PEERDIR(
     library/cpp/lwtrace
-) 
- 
-END() 
+)
+
+END()
diff --git a/library/cpp/lwtrace/kill_action.cpp b/library/cpp/lwtrace/kill_action.cpp
index dad8b9afa4..2b74dc4587 100644
--- a/library/cpp/lwtrace/kill_action.cpp
+++ b/library/cpp/lwtrace/kill_action.cpp
@@ -10,12 +10,12 @@
 using namespace NLWTrace;
 using namespace NLWTrace::NPrivate;
 
-bool TKillActionExecutor::DoExecute(TOrbit&, const TParams&) { 
+bool TKillActionExecutor::DoExecute(TOrbit&, const TParams&) {
 #ifdef _win_
     abort();
 #else
     int r = kill(getpid(), SIGABRT);
     Y_VERIFY(r == 0, "kill failed");
-    return true; 
+    return true;
 #endif
 }
diff --git a/library/cpp/lwtrace/kill_action.h b/library/cpp/lwtrace/kill_action.h
index 1544e339e1..14da9ffd50 100644
--- a/library/cpp/lwtrace/kill_action.h
+++ b/library/cpp/lwtrace/kill_action.h
@@ -2,14 +2,14 @@
 
 #include "probe.h"
 
-namespace NLWTrace { 
-    namespace NPrivate { 
-        class TKillActionExecutor: public IExecutor { 
-        public: 
-            explicit TKillActionExecutor(const TProbe*) { 
-            } 
-            bool DoExecute(TOrbit& orbit, const TParams& params) override; 
-        }; 
+namespace NLWTrace {
+    namespace NPrivate {
+        class TKillActionExecutor: public IExecutor {
+        public:
+            explicit TKillActionExecutor(const TProbe*) {
+            }
+            bool DoExecute(TOrbit& orbit, const TParams& params) override;
+        };
 
-    } 
-} 
+    }
+}
diff --git a/library/cpp/lwtrace/log.h b/library/cpp/lwtrace/log.h
index b226a1534c..56981a97f8 100644
--- a/library/cpp/lwtrace/log.h
+++ b/library/cpp/lwtrace/log.h
@@ -1,906 +1,906 @@
-#pragma once 
- 
+#pragma once
+
 #include "probe.h"
 
 #include <util/datetime/base.h>
 #include <util/generic/algorithm.h>
 #include <util/generic/deque.h>
-#include <util/generic/noncopyable.h> 
-#include <util/generic/vector.h> 
+#include <util/generic/noncopyable.h>
+#include <util/generic/vector.h>
 #include <util/string/printf.h>
 #include <util/system/atomic.h>
 #include <util/system/hp_timer.h>
-#include <util/system/mutex.h> 
-#include <util/system/spinlock.h> 
-#include <util/system/thread.h> 
+#include <util/system/mutex.h>
+#include <util/system/spinlock.h>
+#include <util/system/thread.h>
 #include <util/system/tls.h>
- 
-namespace NLWTrace { 
-    // Cyclic buffer that pushes items to its back and pop item from front on overflow 
-    template <class TItem> 
-    class TCyclicBuffer: public TNonCopyable { 
-    private: 
-        TVector<TItem> Data; 
-        TItem* Front; // Points to the first item (valid iff Size > 0) 
-        TItem* Back;  // Points to the last item (valid iff Size > 0) 
-        size_t Size;  // Number of items in the buffer 
- 
-        TItem* First() { 
-            return &*Data.begin(); 
-        } 
- 
-        TItem* Last() { 
-            return &*Data.end(); 
-        } 
- 
-        const TItem* First() const { 
-            return &*Data.begin(); 
-        } 
- 
-        const TItem* Last() const { 
-            return &*Data.end(); 
-        } 
- 
-    public: 
-        explicit TCyclicBuffer(size_t capacity) 
-            : Data(capacity) 
-            , Size(0) 
-        { 
-        } 
- 
-        TItem* Add() { 
-            if (Size != 0) { 
-                Inc(Back); 
-                if (Back == Front) { 
-                    Inc(Front); // Forget (pop_front) old items 
-                } else { 
-                    Size++; 
-                } 
-            } else { 
-                Front = Back = First(); 
-                Size = 1; 
-            } 
-            Back->Clear(); 
-            return Back; 
-        } 
- 
-        TItem* GetFront() { 
-            return Front; 
-        } 
- 
-        TItem* GetBack() { 
-            return Back; 
-        } 
- 
-        const TItem* GetFront() const { 
-            return Front; 
-        } 
- 
-        const TItem* GetBack() const { 
-            return Back; 
-        } 
- 
-        size_t GetSize() const { 
-            return Size; 
-        } 
- 
-        bool IsFull() const { 
-            return Size == Data.size(); 
-        } 
- 
-        void Inc(TItem*& it) { 
-            it++; 
-            if (it == Last()) { 
-                it = First(); 
-            } 
-        } 
- 
-        void Inc(const TItem*& it) const { 
-            it++; 
-            if (it == Last()) { 
-                it = First(); 
-            } 
-        } 
- 
-        void Destroy() { 
-            Data.clear(); 
-            Size = 0; 
-        } 
- 
-        void Clear() { 
-            Size = 0; 
-        } 
- 
-        void Swap(TCyclicBuffer& other) { 
-            Data.swap(other.Data); 
-            std::swap(Front, other.Front); 
-            std::swap(Back, other.Back); 
-            std::swap(Size, other.Size); 
-        } 
-    }; 
- 
-    // Buffer that pushes items to its back and pop item from front on expire 
-    template <class TItem> 
-    class TDurationBuffer: public TNonCopyable { 
-    protected: 
-        TDeque<TItem> Data; 
-        ui64 StoreDuration; 
-        ui8 CleanupCounter = 0; 
- 
-    public: 
-        explicit TDurationBuffer(TDuration duration) 
-            : StoreDuration(DurationToCycles(duration)) 
-        { 
-        } 
- 
-        TItem* Add() { 
-            if (!CleanupCounter) { 
-                Cleanup(); 
-                CleanupCounter = 128; // Make cleanup after every 128 additions 
-            } 
-            CleanupCounter--; 
-            Data.emplace_back(); 
-            return &Data.back(); 
-        } 
- 
-        TItem* GetFront() { 
-            return &Data.front(); 
-        } 
- 
-        TItem* GetBack() { 
-            return &Data.back(); 
-        } 
- 
-        const TItem* GetFront() const { 
-            return &Data.front(); 
-        } 
- 
-        const TItem* GetBack() const { 
-            return &Data.back(); 
-        } 
- 
-        size_t GetSize() const { 
-            return Data.size(); 
-        } 
- 
-        bool Empty() const { 
-            return Data.empty(); 
-        } 
- 
-        void Destroy() { 
-            Data.clear(); 
-        } 
- 
-        void Swap(TDurationBuffer& other) { 
-            Data.swap(other.Data); 
-            std::swap(StoreDuration, other.StoreDuration); 
-        } 
- 
-    private: 
-        void Cleanup() { 
-            ui64 cutoff = GetCycleCount(); 
-            if (cutoff > StoreDuration) { 
-                cutoff -= StoreDuration; 
-                while (!Data.empty() && Data.front().GetTimestampCycles() < cutoff) { 
-                    Data.pop_front(); 
-                } 
-            } 
-        } 
-    }; 
- 
-    struct TLogItem { 
-        TProbe* Probe = nullptr; 
-        TParams Params; 
-        size_t SavedParamsCount; 
-        TInstant Timestamp; 
-        ui64 TimestampCycles; 
- 
-        TLogItem() { 
-        } 
- 
-        TLogItem(const TLogItem& other) 
-            : Probe(other.Probe) 
-            , SavedParamsCount(other.SavedParamsCount) 
-            , Timestamp(other.Timestamp) 
-            , TimestampCycles(other.TimestampCycles) 
-        { 
-            Clone(other); 
-        } 
- 
-        ~TLogItem() { 
-            Destroy(); 
-        } 
- 
-        TLogItem& operator=(const TLogItem& other) { 
-            Destroy(); 
-            Probe = other.Probe; 
-            SavedParamsCount = other.SavedParamsCount; 
-            Timestamp = other.Timestamp; 
-            TimestampCycles = other.TimestampCycles; 
-            Clone(other); 
-            return *this; 
-        } 
- 
-        void Clear() { 
-            Destroy(); 
-            Probe = nullptr; 
-        } 
- 
-        void ToProtobuf(TLogItemPb& pb) const { 
-            pb.SetName(Probe->Event.Name); 
-            pb.SetProvider(Probe->Event.GetProvider()); 
-            if (SavedParamsCount > 0) { 
-                TString paramValues[LWTRACE_MAX_PARAMS]; 
-                Probe->Event.Signature.SerializeParams(Params, paramValues); 
-                for (size_t pi = 0; pi < SavedParamsCount; pi++) { 
-                    pb.AddParams(paramValues[pi]); 
-                } 
-            } 
-            pb.SetTimestamp(Timestamp.GetValue()); 
-            pb.SetTimestampCycles(TimestampCycles); 
-        } 
- 
-        TTypedParam GetParam(const TString& param) const { 
-            if (SavedParamsCount == 0) { 
-                return TTypedParam(); 
-            } else { 
-                size_t idx = Probe->Event.Signature.FindParamIndex(param); 
-                if (idx >= SavedParamsCount) { // Also covers idx=-1 case (not found) 
-                    return TTypedParam(); 
-                } else { 
-                    EParamTypePb type = ParamTypeToProtobuf(Probe->Event.Signature.ParamTypes[idx]); 
-                    return TTypedParam(type, Params.Param[idx]); 
-                } 
-            } 
-        } 
- 
-        ui64 GetTimestampCycles() const { 
-            return TimestampCycles; 
-        } 
- 
-    private: 
-        void Clone(const TLogItem& other) { 
-            if (Probe && SavedParamsCount > 0) { 
-                Probe->Event.Signature.CloneParams(Params, other.Params); 
-            } 
-        } 
- 
-        void Destroy() { 
-            if (Probe && SavedParamsCount > 0) { 
-                Probe->Event.Signature.DestroyParams(Params); 
-            } 
-        } 
-    }; 
- 
-    struct TTrackLog { 
-        struct TItem : TLogItem { 
-            TThread::TId ThreadId; 
- 
+
+namespace NLWTrace {
+    // Cyclic buffer that pushes items to its back and pop item from front on overflow
+    template <class TItem>
+    class TCyclicBuffer: public TNonCopyable {
+    private:
+        TVector<TItem> Data;
+        TItem* Front; // Points to the first item (valid iff Size > 0)
+        TItem* Back;  // Points to the last item (valid iff Size > 0)
+        size_t Size;  // Number of items in the buffer
+
+        TItem* First() {
+            return &*Data.begin();
+        }
+
+        TItem* Last() {
+            return &*Data.end();
+        }
+
+        const TItem* First() const {
+            return &*Data.begin();
+        }
+
+        const TItem* Last() const {
+            return &*Data.end();
+        }
+
+    public:
+        explicit TCyclicBuffer(size_t capacity)
+            : Data(capacity)
+            , Size(0)
+        {
+        }
+
+        TItem* Add() {
+            if (Size != 0) {
+                Inc(Back);
+                if (Back == Front) {
+                    Inc(Front); // Forget (pop_front) old items
+                } else {
+                    Size++;
+                }
+            } else {
+                Front = Back = First();
+                Size = 1;
+            }
+            Back->Clear();
+            return Back;
+        }
+
+        TItem* GetFront() {
+            return Front;
+        }
+
+        TItem* GetBack() {
+            return Back;
+        }
+
+        const TItem* GetFront() const {
+            return Front;
+        }
+
+        const TItem* GetBack() const {
+            return Back;
+        }
+
+        size_t GetSize() const {
+            return Size;
+        }
+
+        bool IsFull() const {
+            return Size == Data.size();
+        }
+
+        void Inc(TItem*& it) {
+            it++;
+            if (it == Last()) {
+                it = First();
+            }
+        }
+
+        void Inc(const TItem*& it) const {
+            it++;
+            if (it == Last()) {
+                it = First();
+            }
+        }
+
+        void Destroy() {
+            Data.clear();
+            Size = 0;
+        }
+
+        void Clear() {
+            Size = 0;
+        }
+
+        void Swap(TCyclicBuffer& other) {
+            Data.swap(other.Data);
+            std::swap(Front, other.Front);
+            std::swap(Back, other.Back);
+            std::swap(Size, other.Size);
+        }
+    };
+
+    // Buffer that pushes items to its back and pop item from front on expire
+    template <class TItem>
+    class TDurationBuffer: public TNonCopyable {
+    protected:
+        TDeque<TItem> Data;
+        ui64 StoreDuration;
+        ui8 CleanupCounter = 0;
+
+    public:
+        explicit TDurationBuffer(TDuration duration)
+            : StoreDuration(DurationToCycles(duration))
+        {
+        }
+
+        TItem* Add() {
+            if (!CleanupCounter) {
+                Cleanup();
+                CleanupCounter = 128; // Make cleanup after every 128 additions
+            }
+            CleanupCounter--;
+            Data.emplace_back();
+            return &Data.back();
+        }
+
+        TItem* GetFront() {
+            return &Data.front();
+        }
+
+        TItem* GetBack() {
+            return &Data.back();
+        }
+
+        const TItem* GetFront() const {
+            return &Data.front();
+        }
+
+        const TItem* GetBack() const {
+            return &Data.back();
+        }
+
+        size_t GetSize() const {
+            return Data.size();
+        }
+
+        bool Empty() const {
+            return Data.empty();
+        }
+
+        void Destroy() {
+            Data.clear();
+        }
+
+        void Swap(TDurationBuffer& other) {
+            Data.swap(other.Data);
+            std::swap(StoreDuration, other.StoreDuration);
+        }
+
+    private:
+        void Cleanup() {
+            ui64 cutoff = GetCycleCount();
+            if (cutoff > StoreDuration) {
+                cutoff -= StoreDuration;
+                while (!Data.empty() && Data.front().GetTimestampCycles() < cutoff) {
+                    Data.pop_front();
+                }
+            }
+        }
+    };
+
+    struct TLogItem {
+        TProbe* Probe = nullptr;
+        TParams Params;
+        size_t SavedParamsCount;
+        TInstant Timestamp;
+        ui64 TimestampCycles;
+
+        TLogItem() {
+        }
+
+        TLogItem(const TLogItem& other)
+            : Probe(other.Probe)
+            , SavedParamsCount(other.SavedParamsCount)
+            , Timestamp(other.Timestamp)
+            , TimestampCycles(other.TimestampCycles)
+        {
+            Clone(other);
+        }
+
+        ~TLogItem() {
+            Destroy();
+        }
+
+        TLogItem& operator=(const TLogItem& other) {
+            Destroy();
+            Probe = other.Probe;
+            SavedParamsCount = other.SavedParamsCount;
+            Timestamp = other.Timestamp;
+            TimestampCycles = other.TimestampCycles;
+            Clone(other);
+            return *this;
+        }
+
+        void Clear() {
+            Destroy();
+            Probe = nullptr;
+        }
+
+        void ToProtobuf(TLogItemPb& pb) const {
+            pb.SetName(Probe->Event.Name);
+            pb.SetProvider(Probe->Event.GetProvider());
+            if (SavedParamsCount > 0) {
+                TString paramValues[LWTRACE_MAX_PARAMS];
+                Probe->Event.Signature.SerializeParams(Params, paramValues);
+                for (size_t pi = 0; pi < SavedParamsCount; pi++) {
+                    pb.AddParams(paramValues[pi]);
+                }
+            }
+            pb.SetTimestamp(Timestamp.GetValue());
+            pb.SetTimestampCycles(TimestampCycles);
+        }
+
+        TTypedParam GetParam(const TString& param) const {
+            if (SavedParamsCount == 0) {
+                return TTypedParam();
+            } else {
+                size_t idx = Probe->Event.Signature.FindParamIndex(param);
+                if (idx >= SavedParamsCount) { // Also covers idx=-1 case (not found)
+                    return TTypedParam();
+                } else {
+                    EParamTypePb type = ParamTypeToProtobuf(Probe->Event.Signature.ParamTypes[idx]);
+                    return TTypedParam(type, Params.Param[idx]);
+                }
+            }
+        }
+
+        ui64 GetTimestampCycles() const {
+            return TimestampCycles;
+        }
+
+    private:
+        void Clone(const TLogItem& other) {
+            if (Probe && SavedParamsCount > 0) {
+                Probe->Event.Signature.CloneParams(Params, other.Params);
+            }
+        }
+
+        void Destroy() {
+            if (Probe && SavedParamsCount > 0) {
+                Probe->Event.Signature.DestroyParams(Params);
+            }
+        }
+    };
+
+    struct TTrackLog {
+        struct TItem : TLogItem {
+            TThread::TId ThreadId;
+
             TItem() = default;
- 
-            TItem(TThread::TId tid, const TLogItem& item) 
-                : TLogItem(item) 
-                , ThreadId(tid) 
-            { 
-            } 
-        }; 
- 
-        using TItems = TVector<TItem>; 
-        TItems Items; 
-        bool Truncated = false; 
-        ui64 Id = 0; 
- 
-        void Clear() { 
-            Items.clear(); 
-            Truncated = false; 
-        } 
- 
-        ui64 GetTimestampCycles() const { 
-            return Items.empty() ? 0 : Items.front().GetTimestampCycles(); 
-        } 
-    }; 
- 
-    // Log that uses per-thread cyclic buffers to store items 
-    template <class T> 
-    class TCyclicLogImpl: public TNonCopyable { 
-    public: 
-        using TLog = TCyclicLogImpl; 
-        using TItem = T; 
- 
-    private: 
-        using TBuffer = TCyclicBuffer<TItem>; 
- 
-        class TStorage { 
-        private: 
-            // Data that can be accessed in lock-free way from reader/writer 
-            TAtomic Writers = 0; 
-            mutable TBuffer* volatile CurBuffer = nullptr; 
- 
-            // Data that can be accessed only from reader 
-            // NOTE: multiple readers are serialized by TCyclicLogImpl::Lock 
-            mutable TBuffer* OldBuffer = nullptr; 
-            mutable TBuffer* NewBuffer = nullptr; 
- 
-            TLog* volatile Log = nullptr; 
- 
-            TThread::TId ThreadId = 0; 
-            TAtomic EventsCount = 0; 
- 
-        public: 
-            TStorage() { 
-            } 
- 
-            explicit TStorage(TLog* log) 
-                : CurBuffer(new TBuffer(log->GetCapacity())) 
-                , OldBuffer(new TBuffer(log->GetCapacity())) 
-                , NewBuffer(new TBuffer(log->GetCapacity())) 
-                , Log(log) 
-                , ThreadId(TThread::CurrentThreadId()) 
-            { 
-                Log->RegisterThread(this); 
-            } 
- 
-            ~TStorage() { 
-                if (TLog* log = AtomicSwap(&Log, nullptr)) { 
-                    AtomicBarrier(); // Serialize `Log' and TCyclicLogImpl::Lock memory order 
-                    // NOTE: the following function swaps `this' with `new TStorage()' 
-                    log->UnregisterThreadAndMakeOrphan(this); 
-                } else { 
-                    // NOTE: `Log' can be nullptr if either it is orphan storage or TryDismiss() succeeded 
-                    // NOTE: in both cases it is ok to call these deletes 
-                    delete CurBuffer; 
-                    delete OldBuffer; 
-                    delete NewBuffer; 
-                } 
-            } 
- 
-            bool TryDismiss() { 
-                // TCyclicLogImpl::Lock implied (no readers) 
-                if (TLog* log = AtomicSwap(&Log, nullptr)) { 
-                    TBuffer* curBuffer = AtomicSwap(&CurBuffer, nullptr); 
-                    WaitForWriters(); 
-                    // At this point we guarantee that there is no and wont be active writer 
-                    delete curBuffer; 
-                    delete OldBuffer; 
-                    delete NewBuffer; 
-                    OldBuffer = nullptr; 
-                    NewBuffer = nullptr; 
-                    return true; 
-                } else { 
-                    // ~TStorage() is in progress 
-                    return false; 
-                } 
-            } 
- 
-            void WaitForWriters() const { 
-                while (AtomicGet(Writers) > 0) { 
-                    SpinLockPause(); 
-                } 
-            } 
- 
-            TThread::TId GetThreadId() const { 
-                // TCyclicLogImpl::Lock implied (no readers) 
-                return ThreadId; 
-            } 
- 
-            size_t GetEventsCount() const { 
-                // TCyclicLogImpl::Lock implied (no readers) 
-                return AtomicGet(EventsCount); 
-            } 
- 
-            void Swap(TStorage& other) { 
-                // TCyclicLogImpl::Lock implied (no readers) 
-                std::swap(CurBuffer, other.CurBuffer); 
-                std::swap(OldBuffer, other.OldBuffer); 
-                std::swap(NewBuffer, other.NewBuffer); 
-                std::swap(Log, other.Log); 
-                std::swap(ThreadId, other.ThreadId); 
-                std::swap(EventsCount, other.EventsCount); 
-            } 
- 
-            TBuffer* StartWriter() { 
-                AtomicIncrement(Writers); 
-                return const_cast<TBuffer*>(AtomicGet(CurBuffer)); 
-            } 
- 
-            void StopWriter() { 
-                AtomicDecrement(Writers); 
-            } 
- 
-            void IncEventsCount() { 
-                AtomicIncrement(EventsCount); 
-            } 
- 
-            template <class TReader> 
-            void ReadItems(TReader& r) const { 
-                // TCyclicLogImpl::Lock implied 
-                NewBuffer = AtomicSwap(&CurBuffer, NewBuffer); 
-                WaitForWriters(); 
- 
-                // Merge new buffer into old buffer 
-                if (NewBuffer->IsFull()) { 
-                    std::swap(NewBuffer, OldBuffer); 
-                } else { 
-                    if (NewBuffer->GetSize() > 0) { 
-                        for (const TItem *i = NewBuffer->GetFront(), *e = NewBuffer->GetBack();; NewBuffer->Inc(i)) { 
-                            TItem* oldSlot = OldBuffer->Add(); 
-                            *oldSlot = *i; 
-                            if (i == e) { 
-                                break; 
-                            } 
-                        } 
-                    } 
-                } 
- 
-                NewBuffer->Clear(); 
- 
-                // Iterate over old buffer 
-                if (OldBuffer->GetSize() > 0) { 
-                    for (const TItem *i = OldBuffer->GetFront(), *e = OldBuffer->GetBack();; OldBuffer->Inc(i)) { 
-                        r.Push(ThreadId, *i); 
-                        if (i == e) { 
-                            break; 
-                        } 
-                    } 
-                } 
-            } 
-        }; 
- 
-        size_t Capacity; 
-        Y_THREAD(TStorage) 
-        PerThreadStorage; 
-        TSpinLock Lock; 
-        // If thread exits its storage is destroyed, so we move it into OrphanStorages before destruction 
-        TVector<TAtomicSharedPtr<TStorage>> OrphanStorages; 
-        typedef TVector<TStorage*> TStoragesVec; 
-        TStoragesVec StoragesVec; 
-        TAtomic ThreadsCount; 
- 
-    public: 
-        explicit TCyclicLogImpl(size_t capacity) 
-            : Capacity(capacity) 
-            , PerThreadStorage(this) 
-            , ThreadsCount(0) 
-        { 
-        } 
- 
-        ~TCyclicLogImpl() { 
-            for (bool again = true; again;) { 
-                TGuard<TSpinLock> g(Lock); 
-                AtomicBarrier(); // Serialize `storage->Log' and Lock memory order 
-                again = false; 
-                while (!StoragesVec.empty()) { 
-                    TStorage* storage = StoragesVec.back(); 
-                    // TStorage destructor can be called when TCyclicLogImpl is already destructed 
-                    // So we ensure this does not lead to problems 
-                    // NOTE: Y_THREAD(TStorage) destructs TStorage object for a specific thread only on that thread exit 
-                    // NOTE: this issue can lead to memleaks if threads never exit and many TCyclicLogImpl are created 
-                    if (storage->TryDismiss()) { 
-                        StoragesVec.pop_back(); 
-                    } else { 
-                        // Rare case when another thread is running ~TStorage() -- let it finish 
-                        again = true; 
-                        SpinLockPause(); 
-                        break; 
-                    } 
-                } 
-            } 
-        } 
- 
-        size_t GetCapacity() const { 
-            return Capacity; 
-        } 
- 
-        size_t GetEventsCount() const { 
-            size_t events = 0; 
-            TGuard<TSpinLock> g(Lock); 
-            for (auto i : StoragesVec) { 
-                events += i->GetEventsCount(); 
-            } 
-            for (const auto& orphanStorage : OrphanStorages) { 
-                events += orphanStorage->GetEventsCount(); 
-            } 
-            return events; 
-        } 
- 
-        size_t GetThreadsCount() const { 
-            return AtomicGet(ThreadsCount); 
-        } 
- 
-        void RegisterThread(TStorage* storage) { 
-            TGuard<TSpinLock> g(Lock); 
-            StoragesVec.push_back(storage); 
-            AtomicIncrement(ThreadsCount); 
-        } 
- 
-        void UnregisterThreadAndMakeOrphan(TStorage* storage) { 
-            TGuard<TSpinLock> g(Lock); 
-            // `storage' writers are not possible at this scope because 
-            // UnregisterThreadAndMakeOrphan is only called from exiting threads. 
-            // `storage' readers are not possible at this scope due to Lock guard. 
- 
-            Erase(StoragesVec, storage); 
-            TAtomicSharedPtr<TStorage> orphan(new TStorage()); 
-            orphan->Swap(*storage); // Swap is required because we cannot take ownership from Y_THREAD(TStorage) object 
-            OrphanStorages.push_back(orphan); 
-        } 
- 
-        template <class TReader> 
-        void ReadThreads(TReader& r) const { 
-            TGuard<TSpinLock> g(Lock); 
-            for (auto i : StoragesVec) { 
-                r.PushThread(i->GetThreadId()); 
-            } 
-            for (const auto& orphanStorage : OrphanStorages) { 
-                r.PushThread(orphanStorage->GetThreadId()); 
-            } 
-        } 
- 
-        template <class TReader> 
-        void ReadItems(TReader& r) const { 
-            TGuard<TSpinLock> g(Lock); 
-            for (auto i : StoragesVec) { 
-                i->ReadItems(r); 
-            } 
-            for (const auto& orphanStorage : OrphanStorages) { 
-                orphanStorage->ReadItems(r); 
-            } 
-        } 
- 
-        class TAccessor { 
-        private: 
-            TStorage& Storage; 
-            TBuffer* Buffer; 
- 
-        public: 
-            explicit TAccessor(TLog& log) 
-                : Storage(log.PerThreadStorage.Get()) 
-                , Buffer(Storage.StartWriter()) 
-            { 
-            } 
- 
-            ~TAccessor() { 
-                Storage.StopWriter(); 
-            } 
- 
-            TItem* Add() { 
-                if (Buffer) { 
-                    Storage.IncEventsCount(); 
-                    return Buffer->Add(); 
-                } else { 
-                    // TStorage detached from trace due to trace destruction 
-                    // so we should not try log anything 
-                    return nullptr; 
-                } 
-            } 
-        }; 
- 
-        friend class TAccessor; 
-    }; 
- 
-    using TCyclicLog = TCyclicLogImpl<TLogItem>; 
-    using TCyclicDepot = TCyclicLogImpl<TTrackLog>; 
- 
-    // Log that uses per-thread buffers to store items up to given duration 
-    template <class T> 
-    class TDurationLogImpl: public TNonCopyable { 
-    public: 
-        using TLog = TDurationLogImpl; 
-        using TItem = T; 
- 
-        class TAccessor; 
-        friend class TAccessor; 
-        class TAccessor: public TGuard<TSpinLock> { 
-        private: 
-            TLog& Log; 
- 
-        public: 
-            explicit TAccessor(TLog& log) 
-                : TGuard<TSpinLock>(log.PerThreadStorage.Get().Lock) 
-                , Log(log) 
-            { 
-            } 
- 
-            TItem* Add() { 
-                return Log.PerThreadStorage.Get().Add(); 
-            } 
-        }; 
- 
-    private: 
-        class TStorage: public TDurationBuffer<TItem> { 
-        private: 
-            TLog* Log; 
-            TThread::TId ThreadId; 
-            ui64 EventsCount; 
- 
-        public: 
-            TSpinLock Lock; 
- 
-            TStorage() 
-                : TDurationBuffer<TItem>(TDuration::Zero()) 
-                , Log(nullptr) 
-                , ThreadId(0) 
-                , EventsCount(0) 
-            { 
-            } 
- 
-            explicit TStorage(TLog* log) 
-                : TDurationBuffer<TItem>(log->GetDuration()) 
-                , Log(log) 
-                , ThreadId(TThread::CurrentThreadId()) 
-                , EventsCount(0) 
-            { 
-                Log->RegisterThread(this); 
-            } 
- 
-            ~TStorage() { 
-                if (Log) { 
-                    Log->UnregisterThread(this); 
-                } 
-            } 
- 
-            void DetachFromTraceLog() { 
-                Log = nullptr; 
-            } 
- 
-            TItem* Add() { 
-                EventsCount++; 
-                return TDurationBuffer<TItem>::Add(); 
-            } 
- 
-            bool Expired(ui64 now) const { 
-                return this->Empty() ? true : this->GetBack()->GetTimestampCycles() + this->StoreDuration < now; 
-            } 
- 
-            TThread::TId GetThreadId() const { 
-                return ThreadId; 
-            } 
- 
-            size_t GetEventsCount() const { 
-                return EventsCount; 
-            } 
- 
-            void Swap(TStorage& other) { 
-                TDurationBuffer<TItem>::Swap(other); 
-                std::swap(Log, other.Log); 
-                std::swap(ThreadId, other.ThreadId); 
-                std::swap(EventsCount, other.EventsCount); 
-            } 
- 
-            template <class TReader> 
-            void ReadItems(ui64 now, ui64 duration, TReader& r) const { 
-                TGuard<TSpinLock> g(Lock); 
-                if (now > duration) { 
-                    ui64 cutoff = now - duration; 
-                    for (const TItem& item : this->Data) { 
-                        if (item.GetTimestampCycles() >= cutoff) { 
-                            r.Push(ThreadId, item); 
-                        } 
-                    } 
-                } else { 
-                    for (const TItem& item : this->Data) { 
-                        r.Push(ThreadId, item); 
-                    } 
-                } 
-            } 
-        }; 
- 
-        TDuration Duration; 
-        Y_THREAD(TStorage) 
-        PerThreadStorage; 
-        TSpinLock Lock; 
-        typedef TVector<TAtomicSharedPtr<TStorage>> TOrphanStorages; 
-        TOrphanStorages OrphanStorages; // if thread exits its storage is destroyed, so we move it into OrphanStorages before destruction 
-        TAtomic OrphanStoragesEventsCount = 0; 
-        typedef TVector<TStorage*> TStoragesVec; 
-        TStoragesVec StoragesVec; 
-        TAtomic ThreadsCount; 
- 
-    public: 
-        explicit TDurationLogImpl(TDuration duration) 
-            : Duration(duration) 
-            , PerThreadStorage(this) 
-            , ThreadsCount(0) 
-        { 
-        } 
- 
-        ~TDurationLogImpl() { 
-            for (auto storage : StoragesVec) { 
-                // NOTE: Y_THREAD(TStorage) destructs TStorage object for a specific thread only on that thread exit 
-                // NOTE: this issue can lead to memleaks if threads never exit and many TTraceLogs are created 
-                storage->Destroy(); 
- 
-                // TraceLogStorage destructor can be called when TTraceLog is already destructed 
-                // So we ensure this does not lead to problems 
-                storage->DetachFromTraceLog(); 
-            } 
-        } 
- 
-        TDuration GetDuration() const { 
-            return Duration; 
-        } 
- 
-        size_t GetEventsCount() const { 
-            size_t events = AtomicGet(OrphanStoragesEventsCount); 
-            TGuard<TSpinLock> g(Lock); 
-            for (auto i : StoragesVec) { 
-                events += i->GetEventsCount(); 
-            } 
-            return events; 
-        } 
- 
-        size_t GetThreadsCount() const { 
-            return AtomicGet(ThreadsCount); 
-        } 
- 
-        void RegisterThread(TStorage* storage) { 
-            TGuard<TSpinLock> g(Lock); 
-            StoragesVec.push_back(storage); 
-            AtomicIncrement(ThreadsCount); 
-        } 
- 
-        void UnregisterThread(TStorage* storage) { 
-            TGuard<TSpinLock> g(Lock); 
-            for (auto i = StoragesVec.begin(), e = StoragesVec.end(); i != e; ++i) { 
-                if (*i == storage) { 
-                    StoragesVec.erase(i); 
-                    break; 
-                } 
-            } 
-            TAtomicSharedPtr<TStorage> orphan(new TStorage()); 
-            orphan->Swap(*storage); 
-            orphan->DetachFromTraceLog(); 
-            AtomicAdd(OrphanStoragesEventsCount, orphan->GetEventsCount()); 
-            OrphanStorages.push_back(orphan); 
-            CleanOrphanStorages(GetCycleCount()); 
-        } 
- 
-        void CleanOrphanStorages(ui64 now) { 
-            EraseIf(OrphanStorages, [=](const TAtomicSharedPtr<TStorage>& ptr) { 
-                const TStorage& storage = *ptr; 
-                return storage.Expired(now); 
-            }); 
-        } 
- 
-        template <class TReader> 
-        void ReadThreads(TReader& r) const { 
-            TGuard<TSpinLock> g(Lock); 
-            for (TStorage* i : StoragesVec) { 
-                r.PushThread(i->GetThreadId()); 
-            } 
-            for (const auto& orphanStorage : OrphanStorages) { 
-                r.PushThread(orphanStorage->GetThreadId()); 
-            } 
-        } 
- 
-        template <class TReader> 
-        void ReadItems(ui64 now, ui64 duration, TReader& r) const { 
-            TGuard<TSpinLock> g(Lock); 
-            for (TStorage* storage : StoragesVec) { 
-                storage->ReadItems(now, duration, r); 
-            } 
-            for (const auto& orphanStorage : OrphanStorages) { 
-                orphanStorage->ReadItems(now, duration, r); 
-            } 
-        } 
-    }; 
- 
-    using TDurationLog = TDurationLogImpl<TLogItem>; 
-    using TDurationDepot = TDurationLogImpl<TTrackLog>; 
- 
-    // Log that uses one cyclic buffer to store items 
-    // Each item is a result of execution of some event 
-    class TInMemoryLog: public TNonCopyable { 
-    public: 
-        struct TItem { 
-            const TEvent* Event; 
-            TParams Params; 
-            TInstant Timestamp; 
- 
-            TItem() 
-                : Event(nullptr) 
-            { 
-            } 
- 
-            TItem(const TItem& other) 
-                : Event(other.Event) 
-                , Timestamp(other.Timestamp) 
-            { 
-                Clone(other); 
-            } 
- 
-            ~TItem() { 
-                Destroy(); 
-            } 
- 
-            TItem& operator=(const TItem& other) { 
-                Destroy(); 
-                Event = other.Event; 
-                Timestamp = other.Timestamp; 
-                Clone(other); 
-                return *this; 
-            } 
- 
-            void Clear() { 
-                Destroy(); 
-                Event = nullptr; 
-            } 
- 
-        private: 
-            void Clone(const TItem& other) { 
-                if (Event && Event->Signature.ParamCount > 0) { 
-                    Event->Signature.CloneParams(Params, other.Params); 
-                } 
-            } 
- 
-            void Destroy() { 
-                if (Event && Event->Signature.ParamCount > 0) { 
-                    Event->Signature.DestroyParams(Params); 
-                } 
-            } 
-        }; 
- 
-        class TAccessor; 
-        friend class TAccessor; 
-        class TAccessor: public TGuard<TMutex> { 
-        private: 
-            TInMemoryLog& Log; 
- 
-        public: 
-            explicit TAccessor(TInMemoryLog& log) 
-                : TGuard<TMutex>(log.Lock) 
-                , Log(log) 
-            { 
-            } 
- 
-            TItem* Add() { 
-                return Log.Storage.Add(); 
-            } 
-        }; 
- 
-    private: 
-        TMutex Lock; 
-        TCyclicBuffer<TItem> Storage; 
- 
-    public: 
-        explicit TInMemoryLog(size_t capacity) 
-            : Storage(capacity) 
-        { 
-        } 
- 
-        template <class TReader> 
-        void ReadItems(TReader& r) const { 
-            TGuard<TMutex> g(Lock); 
-            if (Storage.GetSize() > 0) { 
-                for (const TItem *i = Storage.GetFront(), *e = Storage.GetBack();; Storage.Inc(i)) { 
-                    r.Push(*i); 
-                    if (i == e) { 
-                        break; 
-                    } 
-                } 
-            } 
-        } 
-    }; 
- 
-#ifndef LWTRACE_DISABLE 
- 
-    // Class representing a specific event 
-    template <LWTRACE_TEMPLATE_PARAMS> 
-    struct TUserEvent { 
-        TEvent Event; 
- 
-        inline void operator()(TInMemoryLog& log, bool logTimestamp, LWTRACE_FUNCTION_PARAMS) const { 
-            TInMemoryLog::TAccessor la(log); 
-            if (TInMemoryLog::TItem* item = la.Add()) { 
-                item->Event = &Event; 
-                LWTRACE_PREPARE_PARAMS(item->Params); 
-                if (logTimestamp) { 
-                    item->Timestamp = TInstant::Now(); 
-                } 
-            } 
-        } 
-    }; 
- 
-#endif 
- 
-} 
+
+            TItem(TThread::TId tid, const TLogItem& item)
+                : TLogItem(item)
+                , ThreadId(tid)
+            {
+            }
+        };
+
+        using TItems = TVector<TItem>;
+        TItems Items;
+        bool Truncated = false;
+        ui64 Id = 0;
+
+        void Clear() {
+            Items.clear();
+            Truncated = false;
+        }
+
+        ui64 GetTimestampCycles() const {
+            return Items.empty() ? 0 : Items.front().GetTimestampCycles();
+        }
+    };
+
+    // Log that uses per-thread cyclic buffers to store items
+    template <class T>
+    class TCyclicLogImpl: public TNonCopyable {
+    public:
+        using TLog = TCyclicLogImpl;
+        using TItem = T;
+
+    private:
+        using TBuffer = TCyclicBuffer<TItem>;
+
+        class TStorage {
+        private:
+            // Data that can be accessed in lock-free way from reader/writer
+            TAtomic Writers = 0;
+            mutable TBuffer* volatile CurBuffer = nullptr;
+
+            // Data that can be accessed only from reader
+            // NOTE: multiple readers are serialized by TCyclicLogImpl::Lock
+            mutable TBuffer* OldBuffer = nullptr;
+            mutable TBuffer* NewBuffer = nullptr;
+
+            TLog* volatile Log = nullptr;
+
+            TThread::TId ThreadId = 0;
+            TAtomic EventsCount = 0;
+
+        public:
+            TStorage() {
+            }
+
+            explicit TStorage(TLog* log)
+                : CurBuffer(new TBuffer(log->GetCapacity()))
+                , OldBuffer(new TBuffer(log->GetCapacity()))
+                , NewBuffer(new TBuffer(log->GetCapacity()))
+                , Log(log)
+                , ThreadId(TThread::CurrentThreadId())
+            {
+                Log->RegisterThread(this);
+            }
+
+            ~TStorage() {
+                if (TLog* log = AtomicSwap(&Log, nullptr)) {
+                    AtomicBarrier(); // Serialize `Log' and TCyclicLogImpl::Lock memory order
+                    // NOTE: the following function swaps `this' with `new TStorage()'
+                    log->UnregisterThreadAndMakeOrphan(this);
+                } else {
+                    // NOTE: `Log' can be nullptr if either it is orphan storage or TryDismiss() succeeded
+                    // NOTE: in both cases it is ok to call these deletes
+                    delete CurBuffer;
+                    delete OldBuffer;
+                    delete NewBuffer;
+                }
+            }
+
+            bool TryDismiss() {
+                // TCyclicLogImpl::Lock implied (no readers)
+                if (TLog* log = AtomicSwap(&Log, nullptr)) {
+                    TBuffer* curBuffer = AtomicSwap(&CurBuffer, nullptr);
+                    WaitForWriters();
+                    // At this point we guarantee that there is no and wont be active writer
+                    delete curBuffer;
+                    delete OldBuffer;
+                    delete NewBuffer;
+                    OldBuffer = nullptr;
+                    NewBuffer = nullptr;
+                    return true;
+                } else {
+                    // ~TStorage() is in progress
+                    return false;
+                }
+            }
+
+            void WaitForWriters() const {
+                while (AtomicGet(Writers) > 0) {
+                    SpinLockPause();
+                }
+            }
+
+            TThread::TId GetThreadId() const {
+                // TCyclicLogImpl::Lock implied (no readers)
+                return ThreadId;
+            }
+
+            size_t GetEventsCount() const {
+                // TCyclicLogImpl::Lock implied (no readers)
+                return AtomicGet(EventsCount);
+            }
+
+            void Swap(TStorage& other) {
+                // TCyclicLogImpl::Lock implied (no readers)
+                std::swap(CurBuffer, other.CurBuffer);
+                std::swap(OldBuffer, other.OldBuffer);
+                std::swap(NewBuffer, other.NewBuffer);
+                std::swap(Log, other.Log);
+                std::swap(ThreadId, other.ThreadId);
+                std::swap(EventsCount, other.EventsCount);
+            }
+
+            TBuffer* StartWriter() {
+                AtomicIncrement(Writers);
+                return const_cast<TBuffer*>(AtomicGet(CurBuffer));
+            }
+
+            void StopWriter() {
+                AtomicDecrement(Writers);
+            }
+
+            void IncEventsCount() {
+                AtomicIncrement(EventsCount);
+            }
+
+            template <class TReader>
+            void ReadItems(TReader& r) const {
+                // TCyclicLogImpl::Lock implied
+                NewBuffer = AtomicSwap(&CurBuffer, NewBuffer);
+                WaitForWriters();
+
+                // Merge new buffer into old buffer
+                if (NewBuffer->IsFull()) {
+                    std::swap(NewBuffer, OldBuffer);
+                } else {
+                    if (NewBuffer->GetSize() > 0) {
+                        for (const TItem *i = NewBuffer->GetFront(), *e = NewBuffer->GetBack();; NewBuffer->Inc(i)) {
+                            TItem* oldSlot = OldBuffer->Add();
+                            *oldSlot = *i;
+                            if (i == e) {
+                                break;
+                            }
+                        }
+                    }
+                }
+
+                NewBuffer->Clear();
+
+                // Iterate over old buffer
+                if (OldBuffer->GetSize() > 0) {
+                    for (const TItem *i = OldBuffer->GetFront(), *e = OldBuffer->GetBack();; OldBuffer->Inc(i)) {
+                        r.Push(ThreadId, *i);
+                        if (i == e) {
+                            break;
+                        }
+                    }
+                }
+            }
+        };
+
+        size_t Capacity;
+        Y_THREAD(TStorage)
+        PerThreadStorage;
+        TSpinLock Lock;
+        // If thread exits its storage is destroyed, so we move it into OrphanStorages before destruction
+        TVector<TAtomicSharedPtr<TStorage>> OrphanStorages;
+        typedef TVector<TStorage*> TStoragesVec;
+        TStoragesVec StoragesVec;
+        TAtomic ThreadsCount;
+
+    public:
+        explicit TCyclicLogImpl(size_t capacity)
+            : Capacity(capacity)
+            , PerThreadStorage(this)
+            , ThreadsCount(0)
+        {
+        }
+
+        ~TCyclicLogImpl() {
+            for (bool again = true; again;) {
+                TGuard<TSpinLock> g(Lock);
+                AtomicBarrier(); // Serialize `storage->Log' and Lock memory order
+                again = false;
+                while (!StoragesVec.empty()) {
+                    TStorage* storage = StoragesVec.back();
+                    // TStorage destructor can be called when TCyclicLogImpl is already destructed
+                    // So we ensure this does not lead to problems
+                    // NOTE: Y_THREAD(TStorage) destructs TStorage object for a specific thread only on that thread exit
+                    // NOTE: this issue can lead to memleaks if threads never exit and many TCyclicLogImpl are created
+                    if (storage->TryDismiss()) {
+                        StoragesVec.pop_back();
+                    } else {
+                        // Rare case when another thread is running ~TStorage() -- let it finish
+                        again = true;
+                        SpinLockPause();
+                        break;
+                    }
+                }
+            }
+        }
+
+        size_t GetCapacity() const {
+            return Capacity;
+        }
+
+        size_t GetEventsCount() const {
+            size_t events = 0;
+            TGuard<TSpinLock> g(Lock);
+            for (auto i : StoragesVec) {
+                events += i->GetEventsCount();
+            }
+            for (const auto& orphanStorage : OrphanStorages) {
+                events += orphanStorage->GetEventsCount();
+            }
+            return events;
+        }
+
+        size_t GetThreadsCount() const {
+            return AtomicGet(ThreadsCount);
+        }
+
+        void RegisterThread(TStorage* storage) {
+            TGuard<TSpinLock> g(Lock);
+            StoragesVec.push_back(storage);
+            AtomicIncrement(ThreadsCount);
+        }
+
+        void UnregisterThreadAndMakeOrphan(TStorage* storage) {
+            TGuard<TSpinLock> g(Lock);
+            // `storage' writers are not possible at this scope because
+            // UnregisterThreadAndMakeOrphan is only called from exiting threads.
+            // `storage' readers are not possible at this scope due to Lock guard.
+
+            Erase(StoragesVec, storage);
+            TAtomicSharedPtr<TStorage> orphan(new TStorage());
+            orphan->Swap(*storage); // Swap is required because we cannot take ownership from Y_THREAD(TStorage) object
+            OrphanStorages.push_back(orphan);
+        }
+
+        template <class TReader>
+        void ReadThreads(TReader& r) const {
+            TGuard<TSpinLock> g(Lock);
+            for (auto i : StoragesVec) {
+                r.PushThread(i->GetThreadId());
+            }
+            for (const auto& orphanStorage : OrphanStorages) {
+                r.PushThread(orphanStorage->GetThreadId());
+            }
+        }
+
+        template <class TReader>
+        void ReadItems(TReader& r) const {
+            TGuard<TSpinLock> g(Lock);
+            for (auto i : StoragesVec) {
+                i->ReadItems(r);
+            }
+            for (const auto& orphanStorage : OrphanStorages) {
+                orphanStorage->ReadItems(r);
+            }
+        }
+
+        class TAccessor {
+        private:
+            TStorage& Storage;
+            TBuffer* Buffer;
+
+        public:
+            explicit TAccessor(TLog& log)
+                : Storage(log.PerThreadStorage.Get())
+                , Buffer(Storage.StartWriter())
+            {
+            }
+
+            ~TAccessor() {
+                Storage.StopWriter();
+            }
+
+            TItem* Add() {
+                if (Buffer) {
+                    Storage.IncEventsCount();
+                    return Buffer->Add();
+                } else {
+                    // TStorage detached from trace due to trace destruction
+                    // so we should not try log anything
+                    return nullptr;
+                }
+            }
+        };
+
+        friend class TAccessor;
+    };
+
+    using TCyclicLog = TCyclicLogImpl<TLogItem>;
+    using TCyclicDepot = TCyclicLogImpl<TTrackLog>;
+
+    // Log that uses per-thread buffers to store items up to given duration
+    template <class T>
+    class TDurationLogImpl: public TNonCopyable {
+    public:
+        using TLog = TDurationLogImpl;
+        using TItem = T;
+
+        class TAccessor;
+        friend class TAccessor;
+        class TAccessor: public TGuard<TSpinLock> {
+        private:
+            TLog& Log;
+
+        public:
+            explicit TAccessor(TLog& log)
+                : TGuard<TSpinLock>(log.PerThreadStorage.Get().Lock)
+                , Log(log)
+            {
+            }
+
+            TItem* Add() {
+                return Log.PerThreadStorage.Get().Add();
+            }
+        };
+
+    private:
+        class TStorage: public TDurationBuffer<TItem> {
+        private:
+            TLog* Log;
+            TThread::TId ThreadId;
+            ui64 EventsCount;
+
+        public:
+            TSpinLock Lock;
+
+            TStorage()
+                : TDurationBuffer<TItem>(TDuration::Zero())
+                , Log(nullptr)
+                , ThreadId(0)
+                , EventsCount(0)
+            {
+            }
+
+            explicit TStorage(TLog* log)
+                : TDurationBuffer<TItem>(log->GetDuration())
+                , Log(log)
+                , ThreadId(TThread::CurrentThreadId())
+                , EventsCount(0)
+            {
+                Log->RegisterThread(this);
+            }
+
+            ~TStorage() {
+                if (Log) {
+                    Log->UnregisterThread(this);
+                }
+            }
+
+            void DetachFromTraceLog() {
+                Log = nullptr;
+            }
+
+            TItem* Add() {
+                EventsCount++;
+                return TDurationBuffer<TItem>::Add();
+            }
+
+            bool Expired(ui64 now) const {
+                return this->Empty() ? true : this->GetBack()->GetTimestampCycles() + this->StoreDuration < now;
+            }
+
+            TThread::TId GetThreadId() const {
+                return ThreadId;
+            }
+
+            size_t GetEventsCount() const {
+                return EventsCount;
+            }
+
+            void Swap(TStorage& other) {
+                TDurationBuffer<TItem>::Swap(other);
+                std::swap(Log, other.Log);
+                std::swap(ThreadId, other.ThreadId);
+                std::swap(EventsCount, other.EventsCount);
+            }
+
+            template <class TReader>
+            void ReadItems(ui64 now, ui64 duration, TReader& r) const {
+                TGuard<TSpinLock> g(Lock);
+                if (now > duration) {
+                    ui64 cutoff = now - duration;
+                    for (const TItem& item : this->Data) {
+                        if (item.GetTimestampCycles() >= cutoff) {
+                            r.Push(ThreadId, item);
+                        }
+                    }
+                } else {
+                    for (const TItem& item : this->Data) {
+                        r.Push(ThreadId, item);
+                    }
+                }
+            }
+        };
+
+        TDuration Duration;
+        Y_THREAD(TStorage)
+        PerThreadStorage;
+        TSpinLock Lock;
+        typedef TVector<TAtomicSharedPtr<TStorage>> TOrphanStorages;
+        TOrphanStorages OrphanStorages; // if thread exits its storage is destroyed, so we move it into OrphanStorages before destruction
+        TAtomic OrphanStoragesEventsCount = 0;
+        typedef TVector<TStorage*> TStoragesVec;
+        TStoragesVec StoragesVec;
+        TAtomic ThreadsCount;
+
+    public:
+        explicit TDurationLogImpl(TDuration duration)
+            : Duration(duration)
+            , PerThreadStorage(this)
+            , ThreadsCount(0)
+        {
+        }
+
+        ~TDurationLogImpl() {
+            for (auto storage : StoragesVec) {
+                // NOTE: Y_THREAD(TStorage) destructs TStorage object for a specific thread only on that thread exit
+                // NOTE: this issue can lead to memleaks if threads never exit and many TTraceLogs are created
+                storage->Destroy();
+
+                // TraceLogStorage destructor can be called when TTraceLog is already destructed
+                // So we ensure this does not lead to problems
+                storage->DetachFromTraceLog();
+            }
+        }
+
+        TDuration GetDuration() const {
+            return Duration;
+        }
+
+        size_t GetEventsCount() const {
+            size_t events = AtomicGet(OrphanStoragesEventsCount);
+            TGuard<TSpinLock> g(Lock);
+            for (auto i : StoragesVec) {
+                events += i->GetEventsCount();
+            }
+            return events;
+        }
+
+        size_t GetThreadsCount() const {
+            return AtomicGet(ThreadsCount);
+        }
+
+        void RegisterThread(TStorage* storage) {
+            TGuard<TSpinLock> g(Lock);
+            StoragesVec.push_back(storage);
+            AtomicIncrement(ThreadsCount);
+        }
+
+        void UnregisterThread(TStorage* storage) {
+            TGuard<TSpinLock> g(Lock);
+            for (auto i = StoragesVec.begin(), e = StoragesVec.end(); i != e; ++i) {
+                if (*i == storage) {
+                    StoragesVec.erase(i);
+                    break;
+                }
+            }
+            TAtomicSharedPtr<TStorage> orphan(new TStorage());
+            orphan->Swap(*storage);
+            orphan->DetachFromTraceLog();
+            AtomicAdd(OrphanStoragesEventsCount, orphan->GetEventsCount());
+            OrphanStorages.push_back(orphan);
+            CleanOrphanStorages(GetCycleCount());
+        }
+
+        void CleanOrphanStorages(ui64 now) {
+            EraseIf(OrphanStorages, [=](const TAtomicSharedPtr<TStorage>& ptr) {
+                const TStorage& storage = *ptr;
+                return storage.Expired(now);
+            });
+        }
+
+        template <class TReader>
+        void ReadThreads(TReader& r) const {
+            TGuard<TSpinLock> g(Lock);
+            for (TStorage* i : StoragesVec) {
+                r.PushThread(i->GetThreadId());
+            }
+            for (const auto& orphanStorage : OrphanStorages) {
+                r.PushThread(orphanStorage->GetThreadId());
+            }
+        }
+
+        template <class TReader>
+        void ReadItems(ui64 now, ui64 duration, TReader& r) const {
+            TGuard<TSpinLock> g(Lock);
+            for (TStorage* storage : StoragesVec) {
+                storage->ReadItems(now, duration, r);
+            }
+            for (const auto& orphanStorage : OrphanStorages) {
+                orphanStorage->ReadItems(now, duration, r);
+            }
+        }
+    };
+
+    using TDurationLog = TDurationLogImpl<TLogItem>;
+    using TDurationDepot = TDurationLogImpl<TTrackLog>;
+
+    // Log that uses one cyclic buffer to store items
+    // Each item is a result of execution of some event
+    class TInMemoryLog: public TNonCopyable {
+    public:
+        struct TItem {
+            const TEvent* Event;
+            TParams Params;
+            TInstant Timestamp;
+
+            TItem()
+                : Event(nullptr)
+            {
+            }
+
+            TItem(const TItem& other)
+                : Event(other.Event)
+                , Timestamp(other.Timestamp)
+            {
+                Clone(other);
+            }
+
+            ~TItem() {
+                Destroy();
+            }
+
+            TItem& operator=(const TItem& other) {
+                Destroy();
+                Event = other.Event;
+                Timestamp = other.Timestamp;
+                Clone(other);
+                return *this;
+            }
+
+            void Clear() {
+                Destroy();
+                Event = nullptr;
+            }
+
+        private:
+            void Clone(const TItem& other) {
+                if (Event && Event->Signature.ParamCount > 0) {
+                    Event->Signature.CloneParams(Params, other.Params);
+                }
+            }
+
+            void Destroy() {
+                if (Event && Event->Signature.ParamCount > 0) {
+                    Event->Signature.DestroyParams(Params);
+                }
+            }
+        };
+
+        class TAccessor;
+        friend class TAccessor;
+        class TAccessor: public TGuard<TMutex> {
+        private:
+            TInMemoryLog& Log;
+
+        public:
+            explicit TAccessor(TInMemoryLog& log)
+                : TGuard<TMutex>(log.Lock)
+                , Log(log)
+            {
+            }
+
+            TItem* Add() {
+                return Log.Storage.Add();
+            }
+        };
+
+    private:
+        TMutex Lock;
+        TCyclicBuffer<TItem> Storage;
+
+    public:
+        explicit TInMemoryLog(size_t capacity)
+            : Storage(capacity)
+        {
+        }
+
+        template <class TReader>
+        void ReadItems(TReader& r) const {
+            TGuard<TMutex> g(Lock);
+            if (Storage.GetSize() > 0) {
+                for (const TItem *i = Storage.GetFront(), *e = Storage.GetBack();; Storage.Inc(i)) {
+                    r.Push(*i);
+                    if (i == e) {
+                        break;
+                    }
+                }
+            }
+        }
+    };
+
+#ifndef LWTRACE_DISABLE
+
+    // Class representing a specific event
+    template <LWTRACE_TEMPLATE_PARAMS>
+    struct TUserEvent {
+        TEvent Event;
+
+        inline void operator()(TInMemoryLog& log, bool logTimestamp, LWTRACE_FUNCTION_PARAMS) const {
+            TInMemoryLog::TAccessor la(log);
+            if (TInMemoryLog::TItem* item = la.Add()) {
+                item->Event = &Event;
+                LWTRACE_PREPARE_PARAMS(item->Params);
+                if (logTimestamp) {
+                    item->Timestamp = TInstant::Now();
+                }
+            }
+        }
+    };
+
+#endif
+
+}
diff --git a/library/cpp/lwtrace/log_shuttle.cpp b/library/cpp/lwtrace/log_shuttle.cpp
index 1e9c00d0ef..695aa90b31 100644
--- a/library/cpp/lwtrace/log_shuttle.cpp
+++ b/library/cpp/lwtrace/log_shuttle.cpp
@@ -1,32 +1,32 @@
-#include "log_shuttle.h" 
+#include "log_shuttle.h"
 #include "probes.h"
- 
-namespace NLWTrace { 
+
+namespace NLWTrace {
     LWTRACE_USING(LWTRACE_INTERNAL_PROVIDER);
 
 #ifdef LWTRACE_DISABLE
 
     template <class TDepot>
-    bool TLogShuttle<TDepot>::DoFork(TShuttlePtr& child) { 
-        Y_UNUSED(child); 
+    bool TLogShuttle<TDepot>::DoFork(TShuttlePtr& child) {
+        Y_UNUSED(child);
         return false;
     }
 
     template <class TDepot>
-    bool TLogShuttle<TDepot>::DoJoin(const TShuttlePtr& child) { 
-        Y_UNUSED(child); 
+    bool TLogShuttle<TDepot>::DoJoin(const TShuttlePtr& child) {
+        Y_UNUSED(child);
         return false;
     }
 
 #else
 
     template <class TDepot>
-    bool TLogShuttle<TDepot>::DoFork(TShuttlePtr& child) { 
-        if (child = Executor->RentShuttle()) { 
-            child->SetParentSpanId(GetSpanId()); 
-            Executor->Cast(child)->SetIgnore(true); 
+    bool TLogShuttle<TDepot>::DoFork(TShuttlePtr& child) {
+        if (child = Executor->RentShuttle()) {
+            child->SetParentSpanId(GetSpanId());
+            Executor->Cast(child)->SetIgnore(true);
             TParams params;
-            params.Param[0].CopyConstruct<ui64>(child->GetSpanId()); 
+            params.Param[0].CopyConstruct<ui64>(child->GetSpanId());
             bool result = DoAddProbe(&LWTRACE_GET_NAME(Fork).Probe, params, 0);
             TUserSignature<ui64>::DestroyParams(params);
             return result;
@@ -64,4 +64,4 @@ namespace NLWTrace {
 
     template class TLogShuttle<TDurationDepot>;
     template class TLogShuttle<TCyclicDepot>;
-} 
+}
diff --git a/library/cpp/lwtrace/log_shuttle.h b/library/cpp/lwtrace/log_shuttle.h
index 8c9dc3a587..729a38615f 100644
--- a/library/cpp/lwtrace/log_shuttle.h
+++ b/library/cpp/lwtrace/log_shuttle.h
@@ -1,160 +1,160 @@
-#pragma once 
- 
-#include "log.h" 
-#include "probe.h" 
- 
+#pragma once
+
+#include "log.h"
+#include "probe.h"
+
 #include <library/cpp/lwtrace/protos/lwtrace.pb.h>
 
 #include <util/system/spinlock.h>
 
-namespace NLWTrace { 
-    template <class TDepot> 
-    class TRunLogShuttleActionExecutor; 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
- 
-    struct THostTimeCalculator { 
+namespace NLWTrace {
+    template <class TDepot>
+    class TRunLogShuttleActionExecutor;
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+    struct THostTimeCalculator {
         double K = 0;
         ui64 B = 0;
 
-        THostTimeCalculator() { 
+        THostTimeCalculator() {
             TInstant now = TInstant::Now();
             ui64 tsNow = GetCycleCount();
             K = 1000000000 / NHPTimer::GetClockRate();
             B = now.NanoSeconds() - K * tsNow;
         }
 
-        ui64 CyclesToEpochNanoseconds(ui64 cycles) const { 
+        ui64 CyclesToEpochNanoseconds(ui64 cycles) const {
             return K*cycles + B;
         }
 
-        ui64 EpochNanosecondsToCycles(ui64 ns) const { 
+        ui64 EpochNanosecondsToCycles(ui64 ns) const {
             return (ns - B) / K;
         }
     };
 
-    inline ui64 CyclesToEpochNanoseconds(ui64 cycles) { 
+    inline ui64 CyclesToEpochNanoseconds(ui64 cycles) {
         return Singleton<THostTimeCalculator>()->CyclesToEpochNanoseconds(cycles);
     }
 
-    inline ui64 EpochNanosecondsToCycles(ui64 ns) { 
+    inline ui64 EpochNanosecondsToCycles(ui64 ns) {
         return Singleton<THostTimeCalculator>()->EpochNanosecondsToCycles(ns);
     }
 
     ////////////////////////////////////////////////////////////////////////////////
 
-    template <class TDepot> 
-    class TLogShuttle: public IShuttle { 
-    private: 
+    template <class TDepot>
+    class TLogShuttle: public IShuttle {
+    private:
         using TExecutor = TRunLogShuttleActionExecutor<TDepot>;
-        TTrackLog TrackLog; 
+        TTrackLog TrackLog;
         TExecutor* Executor;
-        bool Ignore = false; 
-        size_t MaxTrackLength; 
+        bool Ignore = false;
+        size_t MaxTrackLength;
         TAdaptiveLock Lock;
         TAtomic ForkFailed = 0;
- 
-    public: 
+
+    public:
         explicit TLogShuttle(TExecutor* executor)
             : IShuttle(executor->GetTraceIdx(), executor->NewSpanId())
             , Executor(executor)
             , MaxTrackLength(Executor->GetAction().GetMaxTrackLength() ? Executor->GetAction().GetMaxTrackLength() : 100)
-        { 
-        } 
- 
+        {
+        }
+
         bool DoAddProbe(TProbe* probe, const TParams& params, ui64 timestamp) override;
-        void DoEndOfTrack() override; 
-        void DoDrop() override; 
+        void DoEndOfTrack() override;
+        void DoDrop() override;
         void DoSerialize(TShuttleTrace& msg) override;
-        bool DoFork(TShuttlePtr& child) override; 
+        bool DoFork(TShuttlePtr& child) override;
         bool DoJoin(const TShuttlePtr& child) override;
- 
-        void SetIgnore(bool ignore); 
-        void Clear(); 
- 
-        const TTrackLog& GetTrackLog() const { 
-            return TrackLog; 
-        } 
-    }; 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
- 
-    template <class TDepot> 
-    class TLogShuttleActionBase: public IExecutor { 
-    private: 
-        const ui64 TraceIdx; 
- 
-    public: 
-        explicit TLogShuttleActionBase(ui64 traceIdx) 
-            : TraceIdx(traceIdx) 
-        { 
-        } 
-        ui64 GetTraceIdx() const { 
-            return TraceIdx; 
-        } 
- 
-        static TLogShuttle<TDepot>* Cast(const TShuttlePtr& shuttle); 
-        static TLogShuttle<TDepot>* Cast(IShuttle* shuttle); 
-    }; 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
- 
-    template <class TDepot> 
-    class TRunLogShuttleActionExecutor: public TLogShuttleActionBase<TDepot> { 
-    private: 
-        TSpinLock Lock; 
-        TVector<TShuttlePtr> AllShuttles; 
-        TVector<TShuttlePtr> Parking; 
-        TRunLogShuttleAction Action; 
-        TDepot* Depot; 
- 
-        TAtomic MissedTracks = 0; 
-        TAtomic* LastTrackId; 
+
+        void SetIgnore(bool ignore);
+        void Clear();
+
+        const TTrackLog& GetTrackLog() const {
+            return TrackLog;
+        }
+    };
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+    template <class TDepot>
+    class TLogShuttleActionBase: public IExecutor {
+    private:
+        const ui64 TraceIdx;
+
+    public:
+        explicit TLogShuttleActionBase(ui64 traceIdx)
+            : TraceIdx(traceIdx)
+        {
+        }
+        ui64 GetTraceIdx() const {
+            return TraceIdx;
+        }
+
+        static TLogShuttle<TDepot>* Cast(const TShuttlePtr& shuttle);
+        static TLogShuttle<TDepot>* Cast(IShuttle* shuttle);
+    };
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+    template <class TDepot>
+    class TRunLogShuttleActionExecutor: public TLogShuttleActionBase<TDepot> {
+    private:
+        TSpinLock Lock;
+        TVector<TShuttlePtr> AllShuttles;
+        TVector<TShuttlePtr> Parking;
+        TRunLogShuttleAction Action;
+        TDepot* Depot;
+
+        TAtomic MissedTracks = 0;
+        TAtomic* LastTrackId;
         TAtomic* LastSpanId;
- 
-        static constexpr int MaxShuttles = 100000; 
- 
-    public: 
+
+        static constexpr int MaxShuttles = 100000;
+
+    public:
         TRunLogShuttleActionExecutor(ui64 traceIdx, const TRunLogShuttleAction& action, TDepot* depot, TAtomic* lastTrackId, TAtomic* lastSpanId);
-        ~TRunLogShuttleActionExecutor(); 
-        bool DoExecute(TOrbit& orbit, const TParams& params) override; 
-        void RecordShuttle(TLogShuttle<TDepot>* shuttle); 
-        void ParkShuttle(TLogShuttle<TDepot>* shuttle); 
+        ~TRunLogShuttleActionExecutor();
+        bool DoExecute(TOrbit& orbit, const TParams& params) override;
+        void RecordShuttle(TLogShuttle<TDepot>* shuttle);
+        void ParkShuttle(TLogShuttle<TDepot>* shuttle);
         void DiscardShuttle();
         TShuttlePtr RentShuttle();
         ui64 NewSpanId();
-        const TRunLogShuttleAction& GetAction() const { 
-            return Action; 
-        } 
-    }; 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
- 
-    template <class TDepot> 
-    class TEditLogShuttleActionExecutor: public TLogShuttleActionBase<TDepot> { 
-    private: 
-        TEditLogShuttleAction Action; 
- 
-    public: 
-        TEditLogShuttleActionExecutor(ui64 traceIdx, const TEditLogShuttleAction& action); 
-        bool DoExecute(TOrbit& orbit, const TParams& params) override; 
-    }; 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
- 
-    template <class TDepot> 
-    class TDropLogShuttleActionExecutor: public TLogShuttleActionBase<TDepot> { 
-    private: 
-        TDropLogShuttleAction Action; 
- 
-    public: 
-        TDropLogShuttleActionExecutor(ui64 traceIdx, const TDropLogShuttleAction& action); 
-        bool DoExecute(TOrbit& orbit, const TParams& params) override; 
-    }; 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
- 
-    template <class TDepot> 
+        const TRunLogShuttleAction& GetAction() const {
+            return Action;
+        }
+    };
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+    template <class TDepot>
+    class TEditLogShuttleActionExecutor: public TLogShuttleActionBase<TDepot> {
+    private:
+        TEditLogShuttleAction Action;
+
+    public:
+        TEditLogShuttleActionExecutor(ui64 traceIdx, const TEditLogShuttleAction& action);
+        bool DoExecute(TOrbit& orbit, const TParams& params) override;
+    };
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+    template <class TDepot>
+    class TDropLogShuttleActionExecutor: public TLogShuttleActionBase<TDepot> {
+    private:
+        TDropLogShuttleAction Action;
+
+    public:
+        TDropLogShuttleActionExecutor(ui64 traceIdx, const TDropLogShuttleAction& action);
+        bool DoExecute(TOrbit& orbit, const TParams& params) override;
+    };
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+    template <class TDepot>
     bool TLogShuttle<TDepot>::DoAddProbe(TProbe* probe, const TParams& params, ui64 timestamp) {
         with_lock (Lock) {
             if (TrackLog.Items.size() >= MaxTrackLength) {
@@ -169,41 +169,41 @@ namespace NLWTrace {
                 probe->Event.Signature.CloneParams(item->Params, params);
             }
             item->TimestampCycles = timestamp ? timestamp : GetCycleCount();
-        } 
-
-        return true; 
-    } 
- 
-    template <class TDepot> 
-    void TLogShuttle<TDepot>::DoEndOfTrack() { 
-        // Record track log if not ignored 
-        if (!Ignore) { 
+        }
+
+        return true;
+    }
+
+    template <class TDepot>
+    void TLogShuttle<TDepot>::DoEndOfTrack() {
+        // Record track log if not ignored
+        if (!Ignore) {
             if (AtomicGet(ForkFailed)) {
                 Executor->DiscardShuttle();
             } else {
                 Executor->RecordShuttle(this);
             }
-        } 
+        }
         Executor->ParkShuttle(this);
-    } 
- 
-    template <class TDepot> 
-    void TLogShuttle<TDepot>::DoDrop() { 
-        // Do not track log results of dropped shuttles 
+    }
+
+    template <class TDepot>
+    void TLogShuttle<TDepot>::DoDrop() {
+        // Do not track log results of dropped shuttles
         Executor->ParkShuttle(this);
-    } 
- 
-    template <class TDepot> 
-    void TLogShuttle<TDepot>::SetIgnore(bool ignore) { 
-        Ignore = ignore; 
-    } 
- 
-    template <class TDepot> 
-    void TLogShuttle<TDepot>::Clear() { 
-        TrackLog.Clear(); 
-    } 
- 
-    template <class TDepot> 
+    }
+
+    template <class TDepot>
+    void TLogShuttle<TDepot>::SetIgnore(bool ignore) {
+        Ignore = ignore;
+    }
+
+    template <class TDepot>
+    void TLogShuttle<TDepot>::Clear() {
+        TrackLog.Clear();
+    }
+
+    template <class TDepot>
     void TLogShuttle<TDepot>::DoSerialize(TShuttleTrace& msg)
     {
         with_lock (Lock)
@@ -223,137 +223,137 @@ namespace NLWTrace {
     }
 
     template <class TDepot>
-    TLogShuttle<TDepot>* TLogShuttleActionBase<TDepot>::Cast(const TShuttlePtr& shuttle) { 
-        return static_cast<TLogShuttle<TDepot>*>(shuttle.Get()); 
-    } 
- 
-    template <class TDepot> 
-    TLogShuttle<TDepot>* TLogShuttleActionBase<TDepot>::Cast(IShuttle* shuttle) { 
-        return static_cast<TLogShuttle<TDepot>*>(shuttle); 
-    } 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
- 
-    template <class TDepot> 
-    TRunLogShuttleActionExecutor<TDepot>::TRunLogShuttleActionExecutor( 
-        ui64 traceIdx, 
-        const TRunLogShuttleAction& action, 
-        TDepot* depot, 
+    TLogShuttle<TDepot>* TLogShuttleActionBase<TDepot>::Cast(const TShuttlePtr& shuttle) {
+        return static_cast<TLogShuttle<TDepot>*>(shuttle.Get());
+    }
+
+    template <class TDepot>
+    TLogShuttle<TDepot>* TLogShuttleActionBase<TDepot>::Cast(IShuttle* shuttle) {
+        return static_cast<TLogShuttle<TDepot>*>(shuttle);
+    }
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+    template <class TDepot>
+    TRunLogShuttleActionExecutor<TDepot>::TRunLogShuttleActionExecutor(
+        ui64 traceIdx,
+        const TRunLogShuttleAction& action,
+        TDepot* depot,
         TAtomic* lastTrackId,
         TAtomic* lastSpanId)
-        : TLogShuttleActionBase<TDepot>(traceIdx) 
-        , Action(action) 
-        , Depot(depot) 
-        , LastTrackId(lastTrackId) 
+        : TLogShuttleActionBase<TDepot>(traceIdx)
+        , Action(action)
+        , Depot(depot)
+        , LastTrackId(lastTrackId)
         , LastSpanId(lastSpanId)
-    { 
+    {
         ui64 size = Min<ui64>(Action.GetShuttlesCount() ? Action.GetShuttlesCount() : 1000, MaxShuttles); // Do not allow to allocate too much memory
-        AllShuttles.reserve(size); 
-        Parking.reserve(size); 
-        for (ui64 i = 0; i < size; i++) { 
-            TShuttlePtr shuttle(new TLogShuttle<TDepot>(this)); 
-            AllShuttles.emplace_back(shuttle); 
-            Parking.emplace_back(shuttle); 
-        } 
-    } 
- 
-    template <class TDepot> 
-    TRunLogShuttleActionExecutor<TDepot>::~TRunLogShuttleActionExecutor() { 
-        for (TShuttlePtr& shuttle : AllShuttles) { 
-            shuttle->Kill(); 
-        } 
-    } 
- 
-    template <class TDepot> 
-    bool TRunLogShuttleActionExecutor<TDepot>::DoExecute(TOrbit& orbit, const TParams& params) { 
-        Y_UNUSED(params); 
-        if (TShuttlePtr shuttle = RentShuttle()) { 
-            this->Cast(shuttle)->SetIgnore(Action.GetIgnore()); 
-            orbit.AddShuttle(shuttle); 
-        } else { 
-            AtomicIncrement(MissedTracks); 
-        } 
-        return true; 
-    } 
- 
-    template <class TDepot> 
+        AllShuttles.reserve(size);
+        Parking.reserve(size);
+        for (ui64 i = 0; i < size; i++) {
+            TShuttlePtr shuttle(new TLogShuttle<TDepot>(this));
+            AllShuttles.emplace_back(shuttle);
+            Parking.emplace_back(shuttle);
+        }
+    }
+
+    template <class TDepot>
+    TRunLogShuttleActionExecutor<TDepot>::~TRunLogShuttleActionExecutor() {
+        for (TShuttlePtr& shuttle : AllShuttles) {
+            shuttle->Kill();
+        }
+    }
+
+    template <class TDepot>
+    bool TRunLogShuttleActionExecutor<TDepot>::DoExecute(TOrbit& orbit, const TParams& params) {
+        Y_UNUSED(params);
+        if (TShuttlePtr shuttle = RentShuttle()) {
+            this->Cast(shuttle)->SetIgnore(Action.GetIgnore());
+            orbit.AddShuttle(shuttle);
+        } else {
+            AtomicIncrement(MissedTracks);
+        }
+        return true;
+    }
+
+    template <class TDepot>
     void TRunLogShuttleActionExecutor<TDepot>::DiscardShuttle() {
         AtomicIncrement(MissedTracks);
     }
 
     template <class TDepot>
-    void TRunLogShuttleActionExecutor<TDepot>::RecordShuttle(TLogShuttle<TDepot>* shuttle) { 
+    void TRunLogShuttleActionExecutor<TDepot>::RecordShuttle(TLogShuttle<TDepot>* shuttle) {
         if (Depot == nullptr) {
             return;
         }
-        typename TDepot::TAccessor a(*Depot); 
-        if (TTrackLog* trackLog = a.Add()) { 
-            *trackLog = shuttle->GetTrackLog(); 
-            trackLog->Id = AtomicIncrement(*LastTrackId); // Track id is assigned at reporting time 
-        } 
-    } 
- 
-    template <class TDepot> 
-    TShuttlePtr TRunLogShuttleActionExecutor<TDepot>::RentShuttle() { 
-        TGuard<TSpinLock> g(Lock); 
-        if (Parking.empty()) { 
-            return TShuttlePtr(); 
-        } else { 
-            TShuttlePtr shuttle = Parking.back(); 
-            Parking.pop_back(); 
-            return shuttle; 
-        } 
-    } 
- 
-    template <class TDepot> 
-    void TRunLogShuttleActionExecutor<TDepot>::ParkShuttle(TLogShuttle<TDepot>* shuttle) { 
-        shuttle->Clear(); 
-        TGuard<TSpinLock> g(Lock); 
-        Parking.emplace_back(shuttle); 
-    } 
- 
+        typename TDepot::TAccessor a(*Depot);
+        if (TTrackLog* trackLog = a.Add()) {
+            *trackLog = shuttle->GetTrackLog();
+            trackLog->Id = AtomicIncrement(*LastTrackId); // Track id is assigned at reporting time
+        }
+    }
+
+    template <class TDepot>
+    TShuttlePtr TRunLogShuttleActionExecutor<TDepot>::RentShuttle() {
+        TGuard<TSpinLock> g(Lock);
+        if (Parking.empty()) {
+            return TShuttlePtr();
+        } else {
+            TShuttlePtr shuttle = Parking.back();
+            Parking.pop_back();
+            return shuttle;
+        }
+    }
+
+    template <class TDepot>
+    void TRunLogShuttleActionExecutor<TDepot>::ParkShuttle(TLogShuttle<TDepot>* shuttle) {
+        shuttle->Clear();
+        TGuard<TSpinLock> g(Lock);
+        Parking.emplace_back(shuttle);
+    }
+
     template <class TDepot>
     ui64 TRunLogShuttleActionExecutor<TDepot>::NewSpanId()
     {
         return LastSpanId ? AtomicIncrement(*LastSpanId) : 0;
     }
 
-    //////////////////////////////////////////////////////////////////////////////// 
- 
-    template <class TDepot> 
-    TEditLogShuttleActionExecutor<TDepot>::TEditLogShuttleActionExecutor(ui64 traceIdx, const TEditLogShuttleAction& action) 
-        : TLogShuttleActionBase<TDepot>(traceIdx) 
-        , Action(action) 
-    { 
-    } 
- 
-    template <class TDepot> 
-    bool TEditLogShuttleActionExecutor<TDepot>::DoExecute(TOrbit& orbit, const TParams& params) { 
-        Y_UNUSED(params); 
-        bool ignore = Action.GetIgnore(); 
-        orbit.ForEachShuttle(this->GetTraceIdx(), [=](IShuttle* shuttle) { 
-            this->Cast(shuttle)->SetIgnore(ignore); 
-            return true; 
-        }); 
-        return true; 
-    } 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
- 
-    template <class TDepot> 
-    TDropLogShuttleActionExecutor<TDepot>::TDropLogShuttleActionExecutor(ui64 traceIdx, const TDropLogShuttleAction& action) 
-        : TLogShuttleActionBase<TDepot>(traceIdx) 
-        , Action(action) 
-    { 
-    } 
- 
-    template <class TDepot> 
-    bool TDropLogShuttleActionExecutor<TDepot>::DoExecute(TOrbit& orbit, const TParams& params) { 
-        Y_UNUSED(params); 
-        orbit.ForEachShuttle(this->GetTraceIdx(), [](IShuttle*) { 
-            return false; // Erase shuttle from orbit 
-        }); 
-        return true; 
-    } 
- 
-} 
+    ////////////////////////////////////////////////////////////////////////////////
+
+    template <class TDepot>
+    TEditLogShuttleActionExecutor<TDepot>::TEditLogShuttleActionExecutor(ui64 traceIdx, const TEditLogShuttleAction& action)
+        : TLogShuttleActionBase<TDepot>(traceIdx)
+        , Action(action)
+    {
+    }
+
+    template <class TDepot>
+    bool TEditLogShuttleActionExecutor<TDepot>::DoExecute(TOrbit& orbit, const TParams& params) {
+        Y_UNUSED(params);
+        bool ignore = Action.GetIgnore();
+        orbit.ForEachShuttle(this->GetTraceIdx(), [=](IShuttle* shuttle) {
+            this->Cast(shuttle)->SetIgnore(ignore);
+            return true;
+        });
+        return true;
+    }
+
+    ////////////////////////////////////////////////////////////////////////////////
+
+    template <class TDepot>
+    TDropLogShuttleActionExecutor<TDepot>::TDropLogShuttleActionExecutor(ui64 traceIdx, const TDropLogShuttleAction& action)
+        : TLogShuttleActionBase<TDepot>(traceIdx)
+        , Action(action)
+    {
+    }
+
+    template <class TDepot>
+    bool TDropLogShuttleActionExecutor<TDepot>::DoExecute(TOrbit& orbit, const TParams& params) {
+        Y_UNUSED(params);
+        orbit.ForEachShuttle(this->GetTraceIdx(), [](IShuttle*) {
+            return false; // Erase shuttle from orbit
+        });
+        return true;
+    }
+
+}
diff --git a/library/cpp/lwtrace/lwprobe.h b/library/cpp/lwtrace/lwprobe.h
index 9149bb8519..801fc3861b 100644
--- a/library/cpp/lwtrace/lwprobe.h
+++ b/library/cpp/lwtrace/lwprobe.h
@@ -1,110 +1,110 @@
-#pragma once 
- 
+#pragma once
+
 #include "control.h"
 #include "probe.h"
 
-#include <ctype.h> 
- 
-namespace NLWTrace { 
-#ifndef LWTRACE_DISABLE 
- 
-    // Box that holds dynamically created probe 
-    // NOTE: must be allocated on heap 
-    template <LWTRACE_TEMPLATE_PARAMS> 
-    class TLWProbe: public IBox, public TUserProbe<LWTRACE_TEMPLATE_ARGS> { 
-    private: 
-        // Storage for strings referenced by TEvent 
-        TString Name; 
-        TString Provider; 
-        TVector<TString> Groups; 
-        TVector<TString> Params; 
-        TVector<TProbeRegistry*> Registries; // Note that we assume that registry lives longer than probe 
- 
-    public: 
-        TLWProbe(const TString& provider, const TString& name, const TVector<TString>& groups, const TVector<TString>& params) 
-            : IBox(true) 
-            , Name(name) 
-            , Provider(provider) 
-            , Groups(groups) 
-            , Params(params) 
-        { 
-            // initialize TProbe 
-            TProbe& probe = this->Probe; 
-            probe.Init(); 
- 
-            // initialize TEvent 
+#include <ctype.h>
+
+namespace NLWTrace {
+#ifndef LWTRACE_DISABLE
+
+    // Box that holds dynamically created probe
+    // NOTE: must be allocated on heap
+    template <LWTRACE_TEMPLATE_PARAMS>
+    class TLWProbe: public IBox, public TUserProbe<LWTRACE_TEMPLATE_ARGS> {
+    private:
+        // Storage for strings referenced by TEvent
+        TString Name;
+        TString Provider;
+        TVector<TString> Groups;
+        TVector<TString> Params;
+        TVector<TProbeRegistry*> Registries; // Note that we assume that registry lives longer than probe
+
+    public:
+        TLWProbe(const TString& provider, const TString& name, const TVector<TString>& groups, const TVector<TString>& params)
+            : IBox(true)
+            , Name(name)
+            , Provider(provider)
+            , Groups(groups)
+            , Params(params)
+        {
+            // initialize TProbe
+            TProbe& probe = this->Probe;
+            probe.Init();
+
+            // initialize TEvent
             Y_VERIFY(IsCppIdentifier(Name), "probe '%s' is not C++ identifier", Name.data());
             Y_VERIFY(IsCppIdentifier(Provider), "provider '%s' is not C++ identifier in probe %s", Provider.data(), Name.data());
-            probe.Event.Name = Name.c_str(); 
-            Zero(probe.Event.Groups); 
-            probe.Event.Groups[0] = Provider.c_str(); 
-            auto i = Groups.begin(), ie = Groups.end(); 
+            probe.Event.Name = Name.c_str();
+            Zero(probe.Event.Groups);
+            probe.Event.Groups[0] = Provider.c_str();
+            auto i = Groups.begin(), ie = Groups.end();
             Y_VERIFY(Groups.size() < LWTRACE_MAX_GROUPS, "too many groups in probe %s", Name.data());
-            for (size_t n = 1; n < LWTRACE_MAX_GROUPS && i != ie; n++, ++i) { 
+            for (size_t n = 1; n < LWTRACE_MAX_GROUPS && i != ie; n++, ++i) {
                 Y_VERIFY(IsCppIdentifier(*i), "group '%s' is not C++ identifier in probe %s", i->data(), Name.data());
-                probe.Event.Groups[n] = i->c_str(); 
-            } 
- 
-            // initialize TSignature 
-            using TUsrSign = TUserSignature<LWTRACE_TEMPLATE_ARGS>; 
-            Y_VERIFY(TUsrSign::ParamCount == (int)Params.size(), "param count mismatch in probe %s: %d != %d", 
+                probe.Event.Groups[n] = i->c_str();
+            }
+
+            // initialize TSignature
+            using TUsrSign = TUserSignature<LWTRACE_TEMPLATE_ARGS>;
+            Y_VERIFY(TUsrSign::ParamCount == (int)Params.size(), "param count mismatch in probe %s: %d != %d",
                      Name.data(), int(Params.size()), TUsrSign::ParamCount);
-            TSignature& signature = probe.Event.Signature; 
-            signature.ParamTypes = TUsrSign::ParamTypes; 
-            Zero(signature.ParamNames); 
-            auto j = Params.begin(), je = Params.end(); 
-            for (size_t n = 0; n < LWTRACE_MAX_PARAMS && j != je; n++, ++j) { 
+            TSignature& signature = probe.Event.Signature;
+            signature.ParamTypes = TUsrSign::ParamTypes;
+            Zero(signature.ParamNames);
+            auto j = Params.begin(), je = Params.end();
+            for (size_t n = 0; n < LWTRACE_MAX_PARAMS && j != je; n++, ++j) {
                 Y_VERIFY(IsCppIdentifier(*j), "param '%s' is not C++ identifier in probe %s", j->data(), Name.data());
-                signature.ParamNames[n] = j->c_str(); 
-            } 
-            signature.ParamCount = TUsrSign::ParamCount; 
-            signature.SerializeParamsFunc = &TUsrSign::SerializeParams; 
-            signature.CloneParamsFunc = &TUsrSign::CloneParams; 
-            signature.DestroyParamsFunc = &TUsrSign::DestroyParams; 
+                signature.ParamNames[n] = j->c_str();
+            }
+            signature.ParamCount = TUsrSign::ParamCount;
+            signature.SerializeParamsFunc = &TUsrSign::SerializeParams;
+            signature.CloneParamsFunc = &TUsrSign::CloneParams;
+            signature.DestroyParamsFunc = &TUsrSign::DestroyParams;
             signature.SerializeToPbFunc = &TUsrSign::SerializeToPb;
             signature.DeserializeFromPbFunc = &TUsrSign::DeserializeFromPb;
- 
-            // register probe in global registry 
-            Register(*Singleton<NLWTrace::TProbeRegistry>()); 
-        } 
- 
-        ~TLWProbe() { 
-            Unregister(); 
-        } 
- 
-        void Register(TProbeRegistry& reg) { 
-            Registries.push_back(&reg); 
-            reg.AddProbe(TBoxPtr(this)); // NOTE: implied `this' object is created with new operator 
-        } 
- 
-        void Unregister() { 
-            // TODO[serxa]: make sure registry never dies before probe it contain 
-            // TODO[serxa]: make sure probe never dies before TSession that uses it 
-            for (TProbeRegistry* reg : Registries) { 
-                reg->RemoveProbe(&this->Probe); 
-            } 
-        } 
- 
-        TProbe* GetProbe() override { 
-            return &this->Probe; 
-        } 
- 
-    private: 
-        static bool IsCppIdentifier(const TString& str) { 
-            bool first = true; 
-            for (char c : str) { 
-                if (first) { 
-                    first = false; 
-                    if (!(isalpha(c) || c == '_')) { 
-                        return false; 
-                    } 
-                } else if (!(isalnum(c) || c == '_')) { 
-                    return false; 
-                } 
-            } 
-            return true; 
-        } 
-    }; 
- 
-#endif 
-} 
+
+            // register probe in global registry
+            Register(*Singleton<NLWTrace::TProbeRegistry>());
+        }
+
+        ~TLWProbe() {
+            Unregister();
+        }
+
+        void Register(TProbeRegistry& reg) {
+            Registries.push_back(&reg);
+            reg.AddProbe(TBoxPtr(this)); // NOTE: implied `this' object is created with new operator
+        }
+
+        void Unregister() {
+            // TODO[serxa]: make sure registry never dies before probe it contain
+            // TODO[serxa]: make sure probe never dies before TSession that uses it
+            for (TProbeRegistry* reg : Registries) {
+                reg->RemoveProbe(&this->Probe);
+            }
+        }
+
+        TProbe* GetProbe() override {
+            return &this->Probe;
+        }
+
+    private:
+        static bool IsCppIdentifier(const TString& str) {
+            bool first = true;
+            for (char c : str) {
+                if (first) {
+                    first = false;
+                    if (!(isalpha(c) || c == '_')) {
+                        return false;
+                    }
+                } else if (!(isalnum(c) || c == '_')) {
+                    return false;
+                }
+            }
+            return true;
+        }
+    };
+
+#endif
+}
diff --git a/library/cpp/lwtrace/mon/analytics/all.h b/library/cpp/lwtrace/mon/analytics/all.h
index 93c8b950ca..02ddfb83f2 100644
--- a/library/cpp/lwtrace/mon/analytics/all.h
+++ b/library/cpp/lwtrace/mon/analytics/all.h
@@ -1,5 +1,5 @@
-#pragma once 
- 
+#pragma once
+
 #include "csv_output.h"
 #include "data.h"
 #include "html_output.h"
diff --git a/library/cpp/lwtrace/mon/analytics/analytics.cpp b/library/cpp/lwtrace/mon/analytics/analytics.cpp
index 107c939f15..1b25263386 100644
--- a/library/cpp/lwtrace/mon/analytics/analytics.cpp
+++ b/library/cpp/lwtrace/mon/analytics/analytics.cpp
@@ -1,5 +1,5 @@
-#include "all.h" 
- 
-namespace NAnalytics { 
- 
-} 
+#include "all.h"
+
+namespace NAnalytics {
+
+}
diff --git a/library/cpp/lwtrace/mon/analytics/csv_output.h b/library/cpp/lwtrace/mon/analytics/csv_output.h
index 7e441d9e3f..90ded32f5d 100644
--- a/library/cpp/lwtrace/mon/analytics/csv_output.h
+++ b/library/cpp/lwtrace/mon/analytics/csv_output.h
@@ -1,52 +1,52 @@
-#pragma once 
- 
-#include <util/string/printf.h> 
-#include <util/stream/str.h> 
-#include <util/generic/set.h> 
+#pragma once
+
+#include <util/string/printf.h>
+#include <util/stream/str.h>
+#include <util/generic/set.h>
 #include "data.h"
- 
-namespace NAnalytics { 
- 
+
+namespace NAnalytics {
+
 inline TString ToCsv(const TTable& in, TString sep = TString("\t"), bool head = true)
-{ 
+{
     TSet<TString> cols;
-    bool hasName = false; 
-    for (const TRow& row : in) { 
-        hasName = hasName || !row.Name.empty(); 
-        for (const auto& kv : row) { 
-            cols.insert(kv.first); 
-        } 
-    } 
- 
-    TStringStream ss; 
-    if (head) { 
-        bool first = true; 
-        if (hasName) { 
+    bool hasName = false;
+    for (const TRow& row : in) {
+        hasName = hasName || !row.Name.empty();
+        for (const auto& kv : row) {
+            cols.insert(kv.first);
+        }
+    }
+
+    TStringStream ss;
+    if (head) {
+        bool first = true;
+        if (hasName) {
             ss << (first? TString(): sep) << "Name";
-            first = false; 
-        } 
+            first = false;
+        }
         for (const TString& c : cols) {
             ss << (first? TString(): sep) << c;
-            first = false; 
-        } 
-        ss << Endl; 
-    } 
- 
-    for (const TRow& row : in) { 
-        bool first = true; 
-        if (hasName) { 
+            first = false;
+        }
+        ss << Endl;
+    }
+
+    for (const TRow& row : in) {
+        bool first = true;
+        if (hasName) {
             ss << (first? TString(): sep) << row.Name;
-            first = false; 
-        } 
+            first = false;
+        }
         for (const TString& c : cols) {
             ss << (first? TString(): sep);
-            first = false; 
+            first = false;
             TString value;
             ss << (row.GetAsString(c, value) ? value : TString("-"));
-        } 
-        ss << Endl; 
-    } 
-    return ss.Str(); 
-} 
- 
-} 
+        }
+        ss << Endl;
+    }
+    return ss.Str();
+}
+
+}
diff --git a/library/cpp/lwtrace/mon/analytics/data.h b/library/cpp/lwtrace/mon/analytics/data.h
index 7aeedbdd5e..4b643fe20b 100644
--- a/library/cpp/lwtrace/mon/analytics/data.h
+++ b/library/cpp/lwtrace/mon/analytics/data.h
@@ -1,15 +1,15 @@
-#pragma once 
- 
+#pragma once
+
 #include <util/generic/string.h>
-#include <util/generic/hash.h> 
+#include <util/generic/hash.h>
 #include <util/generic/vector.h>
 #include <util/string/builder.h>
 #include <util/string/cast.h>
- 
+
 #include <variant>
 
-namespace NAnalytics { 
- 
+namespace NAnalytics {
+
 using TRowValue = std::variant<i64, ui64, double, TString>;
 
 TString ToString(const TRowValue& val) {
@@ -22,7 +22,7 @@ TString ToString(const TRowValue& val) {
 
 struct TRow : public THashMap<TString, TRowValue> {
     TString Name;
- 
+
     template<typename T>
     bool Get(const TString& name, T& value) const {
         if constexpr (std::is_same_v<double, T>) {
@@ -30,9 +30,9 @@ struct TRow : public THashMap<TString, TRowValue> {
                 value = 1.0;
                 return true;
             }
-        } 
-        auto iter = find(name); 
-        if (iter != end()) { 
+        }
+        auto iter = find(name);
+        if (iter != end()) {
             try {
                 value = std::get<T>(iter->second);
                 return true;
@@ -51,58 +51,58 @@ struct TRow : public THashMap<TString, TRowValue> {
         auto iter = find(name);
         if (iter != end()) {
             value = ToString(iter->second);
-            return true; 
-        } 
+            return true;
+        }
         return false;
-    } 
-}; 
- 
+    }
+};
+
 using TAttributes = THashMap<TString, TString>;
- 
+
 struct TTable : public TVector<TRow> {
-    TAttributes Attributes; 
-}; 
- 
+    TAttributes Attributes;
+};
+
 struct TMatrix : public TVector<double> {
-    size_t Rows; 
-    size_t Cols; 
- 
-    explicit TMatrix(size_t rows = 0, size_t cols = 0) 
+    size_t Rows;
+    size_t Cols;
+
+    explicit TMatrix(size_t rows = 0, size_t cols = 0)
         : TVector<double>(rows * cols)
-        , Rows(rows) 
-        , Cols(cols) 
-    {} 
- 
-    void Reset(size_t rows, size_t cols) 
-    { 
-        Rows = rows; 
-        Cols = cols; 
-        clear(); 
-        resize(rows * cols); 
-    } 
- 
-    double& Cell(size_t row, size_t col) 
-    { 
-        Y_VERIFY(row < Rows); 
-        Y_VERIFY(col < Cols); 
-        return operator[](row * Cols + col); 
-    } 
- 
-    double Cell(size_t row, size_t col) const 
-    { 
-        Y_VERIFY(row < Rows); 
-        Y_VERIFY(col < Cols); 
-        return operator[](row * Cols + col); 
-    } 
- 
-    double CellSum() const 
-    { 
-        double sum = 0.0; 
-        for (double x : *this) { 
-            sum += x; 
-        } 
-        return sum; 
-    } 
-}; 
- 
-} 
+        , Rows(rows)
+        , Cols(cols)
+    {}
+
+    void Reset(size_t rows, size_t cols)
+    {
+        Rows = rows;
+        Cols = cols;
+        clear();
+        resize(rows * cols);
+    }
+
+    double& Cell(size_t row, size_t col)
+    {
+        Y_VERIFY(row < Rows);
+        Y_VERIFY(col < Cols);
+        return operator[](row * Cols + col);
+    }
+
+    double Cell(size_t row, size_t col) const
+    {
+        Y_VERIFY(row < Rows);
+        Y_VERIFY(col < Cols);
+        return operator[](row * Cols + col);
+    }
+
+    double CellSum() const
+    {
+        double sum = 0.0;
+        for (double x : *this) {
+            sum += x;
+        }
+        return sum;
+    }
+};
+
+}
diff --git a/library/cpp/lwtrace/mon/analytics/html_output.h b/library/cpp/lwtrace/mon/analytics/html_output.h
index 37d9fe3724..f775f216b9 100644
--- a/library/cpp/lwtrace/mon/analytics/html_output.h
+++ b/library/cpp/lwtrace/mon/analytics/html_output.h
@@ -1,86 +1,86 @@
-#pragma once 
- 
-#include <util/string/printf.h> 
-#include <util/stream/str.h> 
-#include <util/generic/set.h> 
+#pragma once
+
+#include <util/string/printf.h>
+#include <util/stream/str.h>
+#include <util/generic/set.h>
 #include "data.h"
- 
-namespace NAnalytics { 
- 
+
+namespace NAnalytics {
+
 inline TString ToHtml(const TTable& in)
-{ 
+{
     TSet<TString> cols;
-    bool hasName = false; 
-    for (const TRow& row : in) { 
-        hasName = hasName || !row.Name.empty(); 
-        for (const auto& kv : row) { 
-            cols.insert(kv.first); 
-        } 
-    } 
- 
-    TStringStream ss; 
-    ss << "<table>"; 
-    ss << "<thead><tr>"; 
-    if (hasName) { 
-        ss << "<th>Name</th>"; 
-    } 
+    bool hasName = false;
+    for (const TRow& row : in) {
+        hasName = hasName || !row.Name.empty();
+        for (const auto& kv : row) {
+            cols.insert(kv.first);
+        }
+    }
+
+    TStringStream ss;
+    ss << "<table>";
+    ss << "<thead><tr>";
+    if (hasName) {
+        ss << "<th>Name</th>";
+    }
     for (const TString& c : cols) {
-        ss << "<th>" << c << "</th>"; 
-    } 
-    ss << "</tr></thead><tbody>"; 
- 
-    for (const TRow& row : in) { 
-        ss << "<tr>"; 
-        if (hasName) { 
-            ss << "<th>" << row.Name << "</th>"; 
-        } 
+        ss << "<th>" << c << "</th>";
+    }
+    ss << "</tr></thead><tbody>";
+
+    for (const TRow& row : in) {
+        ss << "<tr>";
+        if (hasName) {
+            ss << "<th>" << row.Name << "</th>";
+        }
         for (const TString& c : cols) {
             TString value;
             ss << "<td>" << (row.GetAsString(c, value) ? value : TString("-")) << "</td>";
-        } 
-        ss << "</tr>"; 
-    } 
-    ss << "</tbody></table>"; 
- 
-    return ss.Str(); 
-} 
- 
+        }
+        ss << "</tr>";
+    }
+    ss << "</tbody></table>";
+
+    return ss.Str();
+}
+
 inline TString ToTransposedHtml(const TTable& in)
-{ 
+{
     TSet<TString> cols;
-    bool hasName = false; 
-    for (const TRow& row : in) { 
-        hasName = hasName || !row.Name.empty(); 
-        for (const auto& kv : row) { 
-            cols.insert(kv.first); 
-        } 
-    } 
- 
-    TStringStream ss; 
-    ss << "<table><thead>"; 
-    if (hasName) { 
-        ss << "<tr>"; 
-        ss << "<th>Name</th>"; 
-        for (const TRow& row : in) { 
-            ss << "<th>" << row.Name << "</th>"; 
-        } 
-        ss << "</tr>"; 
-    } 
- 
-    ss << "</thead><tbody>"; 
- 
+    bool hasName = false;
+    for (const TRow& row : in) {
+        hasName = hasName || !row.Name.empty();
+        for (const auto& kv : row) {
+            cols.insert(kv.first);
+        }
+    }
+
+    TStringStream ss;
+    ss << "<table><thead>";
+    if (hasName) {
+        ss << "<tr>";
+        ss << "<th>Name</th>";
+        for (const TRow& row : in) {
+            ss << "<th>" << row.Name << "</th>";
+        }
+        ss << "</tr>";
+    }
+
+    ss << "</thead><tbody>";
+
     for (const TString& c : cols) {
-        ss << "<tr>"; 
-        ss << "<th>" << c << "</th>"; 
-        for (const TRow& row : in) { 
+        ss << "<tr>";
+        ss << "<th>" << c << "</th>";
+        for (const TRow& row : in) {
             TString value;
             ss << "<td>" << (row.GetAsString(c, value) ? value : TString("-")) << "</td>";
-        } 
-        ss << "</tr>"; 
-    } 
-    ss << "</tbody></table>"; 
- 
-    return ss.Str(); 
-} 
- 
-} 
+        }
+        ss << "</tr>";
+    }
+    ss << "</tbody></table>";
+
+    return ss.Str();
+}
+
+}
diff --git a/library/cpp/lwtrace/mon/analytics/json_output.h b/library/cpp/lwtrace/mon/analytics/json_output.h
index a857ccfa0c..189f9802d3 100644
--- a/library/cpp/lwtrace/mon/analytics/json_output.h
+++ b/library/cpp/lwtrace/mon/analytics/json_output.h
@@ -1,98 +1,98 @@
-#pragma once 
- 
-#include <util/string/printf.h> 
-#include <util/stream/str.h> 
-#include <util/string/vector.h> 
-#include <util/generic/set.h> 
-#include <util/generic/hash_set.h> 
+#pragma once
+
+#include <util/string/printf.h>
+#include <util/stream/str.h>
+#include <util/string/vector.h>
+#include <util/generic/set.h>
+#include <util/generic/hash_set.h>
 #include "data.h"
 #include "util.h"
- 
-namespace NAnalytics { 
- 
+
+namespace NAnalytics {
+
 inline TString ToJsonFlot(const TTable& in, const TString& xno, const TVector<TString>& ynos, const TString& opts = TString())
-{ 
-    TStringStream ss; 
-    ss << "[ "; 
-    bool first = true; 
- 
+{
+    TStringStream ss;
+    ss << "[ ";
+    bool first = true;
+
     TString xn;
     THashSet<TString> xopts;
-    ParseNameAndOpts(xno, xn, xopts); 
+    ParseNameAndOpts(xno, xn, xopts);
     bool xstack = xopts.contains("stack");
- 
+
     for (const TString& yno : ynos) {
         TString yn;
         THashSet<TString> yopts;
-        ParseNameAndOpts(yno, yn, yopts); 
+        ParseNameAndOpts(yno, yn, yopts);
         bool ystackOpt = yopts.contains("stack");
- 
-        ss << (first? "": ",\n  ") <<  "{ " << opts << (opts? ", ": "") << "\"label\": \"" << yn << "\", \"data\": [ "; 
-        bool first2 = true; 
+
+        ss << (first? "": ",\n  ") <<  "{ " << opts << (opts? ", ": "") << "\"label\": \"" << yn << "\", \"data\": [ ";
+        bool first2 = true;
         using TPt = std::tuple<double, double, TString>;
-        std::vector<TPt> pts; 
-        for (const TRow& row : in) { 
-            double x, y; 
-            if (row.Get(xn, x) && row.Get(yn, y)) { 
-                pts.emplace_back(x, y, row.Name); 
-            } 
-        } 
- 
-        if (xstack) { 
-            std::sort(pts.begin(), pts.end(), [] (const TPt& a, const TPt& b) { 
-                // At first sort by Name, then by x, then by y 
-                return std::make_tuple(std::get<2>(a), std::get<0>(a), std::get<1>(a)) < 
-                       std::make_tuple(std::get<2>(b), std::get<0>(b), std::get<1>(b)); 
-            }); 
-        } else { 
-            std::sort(pts.begin(), pts.end()); 
-        } 
- 
-        double x = 0.0, xsum = 0.0; 
-        double y = 0.0, ysum = 0.0; 
-        for (auto& pt : pts) { 
-            if (xstack) { 
-                x = xsum; 
-                xsum += std::get<0>(pt); 
-            } else { 
-                x = std::get<0>(pt); 
-            } 
- 
-            if (ystackOpt) { 
-                y = ysum; 
-                ysum += std::get<1>(pt); 
-            } else { 
-                y = std::get<1>(pt); 
-            } 
- 
-            ss << (first2? "": ", ") << "[" 
-               << Sprintf("%.6lf", Finitize(x)) << ", "     // x coordinate 
-               << Sprintf("%.6lf", Finitize(y)) << ", "     // y coordinate 
-               << "\"" << std::get<2>(pt) << "\", "       // label 
-               << Sprintf("%.6lf", std::get<0>(pt)) << ", " // x label (real value) 
-               << Sprintf("%.6lf", std::get<1>(pt))         // y label (real value) 
-               << "]"; 
-            first2 = false; 
-        } 
-        // Add final point 
-        if (!first2 && (xstack || ystackOpt)) { 
-            if (xstack) 
-                x = xsum; 
-            if (ystackOpt) 
-                y = ysum; 
-            ss << (first2? "": ", ") << "[" 
-               << Sprintf("%.6lf", Finitize(x)) << ", " // x coordinate 
-               << Sprintf("%.6lf", Finitize(y)) << ", " // y coordinate 
-               << "\"\", " 
-               << Sprintf("%.6lf", x) << ", "           // x label (real value) 
-               << Sprintf("%.6lf", y)                   // y label (real value) 
-               << "]"; 
-        } 
-        ss << " ] }"; 
-        first = false; 
-    } 
-    ss << "\n]"; 
-    return ss.Str(); 
-} 
- 
-} 
+        std::vector<TPt> pts;
+        for (const TRow& row : in) {
+            double x, y;
+            if (row.Get(xn, x) && row.Get(yn, y)) {
+                pts.emplace_back(x, y, row.Name);
+            }
+        }
+
+        if (xstack) {
+            std::sort(pts.begin(), pts.end(), [] (const TPt& a, const TPt& b) {
+                // At first sort by Name, then by x, then by y
+                return std::make_tuple(std::get<2>(a), std::get<0>(a), std::get<1>(a)) <
+                       std::make_tuple(std::get<2>(b), std::get<0>(b), std::get<1>(b));
+            });
+        } else {
+            std::sort(pts.begin(), pts.end());
+        }
+
+        double x = 0.0, xsum = 0.0;
+        double y = 0.0, ysum = 0.0;
+        for (auto& pt : pts) {
+            if (xstack) {
+                x = xsum;
+                xsum += std::get<0>(pt);
+            } else {
+                x = std::get<0>(pt);
+            }
+
+            if (ystackOpt) {
+                y = ysum;
+                ysum += std::get<1>(pt);
+            } else {
+                y = std::get<1>(pt);
+            }
+
+            ss << (first2? "": ", ") << "["
+               << Sprintf("%.6lf", Finitize(x)) << ", "     // x coordinate
+               << Sprintf("%.6lf", Finitize(y)) << ", "     // y coordinate
+               << "\"" << std::get<2>(pt) << "\", "       // label
+               << Sprintf("%.6lf", std::get<0>(pt)) << ", " // x label (real value)
+               << Sprintf("%.6lf", std::get<1>(pt))         // y label (real value)
+               << "]";
+            first2 = false;
+        }
+        // Add final point
+        if (!first2 && (xstack || ystackOpt)) {
+            if (xstack)
+                x = xsum;
+            if (ystackOpt)
+                y = ysum;
+            ss << (first2? "": ", ") << "["
+               << Sprintf("%.6lf", Finitize(x)) << ", " // x coordinate
+               << Sprintf("%.6lf", Finitize(y)) << ", " // y coordinate
+               << "\"\", "
+               << Sprintf("%.6lf", x) << ", "           // x label (real value)
+               << Sprintf("%.6lf", y)                   // y label (real value)
+               << "]";
+        }
+        ss << " ] }";
+        first = false;
+    }
+    ss << "\n]";
+    return ss.Str();
+}
+
+}
diff --git a/library/cpp/lwtrace/mon/analytics/transform.h b/library/cpp/lwtrace/mon/analytics/transform.h
index bd80d49d35..f7dc9adb5b 100644
--- a/library/cpp/lwtrace/mon/analytics/transform.h
+++ b/library/cpp/lwtrace/mon/analytics/transform.h
@@ -1,204 +1,204 @@
-#pragma once 
- 
+#pragma once
+
 #include "data.h"
- 
-namespace NAnalytics { 
- 
-template <class TSkip, class TX, class TY> 
-inline TTable Histogram(const TTable& in, TSkip skip, 
+
+namespace NAnalytics {
+
+template <class TSkip, class TX, class TY>
+inline TTable Histogram(const TTable& in, TSkip skip,
                  const TString& xn_out, TX x_in,
                  const TString& yn_out, TY y_in,
-                 double x1, double x2, double dx) 
-{ 
-    long buckets = (x2 - x1) / dx; 
-    TTable out; 
+                 double x1, double x2, double dx)
+{
+    long buckets = (x2 - x1) / dx;
+    TTable out;
     TString yn_sum = yn_out + "_sum";
     TString yn_share = yn_out + "_share";
-    double ysum = 0.0; 
-    out.resize(buckets); 
-    for (size_t i = 0; i < out.size(); i++) { 
-        double lb = x1 + dx*i; 
-        double ub = lb + dx; 
-        out[i].Name = "[" + ToString(lb) + ";" + ToString(ub) + (ub==x2? "]": ")"); 
-        out[i][xn_out] = (lb + ub) / 2; 
-        out[i][yn_sum] = 0.0; 
-    } 
-    for (const auto& row : in) { 
-        if (skip(row)) { 
-            continue; 
-        } 
-        double x = x_in(row); 
-        long i = (x - x1) / dx; 
-        if (x == x2) { // Special hack to include right edge 
-            i--; 
-        } 
-        double y = y_in(row); 
-        ysum += y; 
-        if (i >= 0 && i < buckets) { 
+    double ysum = 0.0;
+    out.resize(buckets);
+    for (size_t i = 0; i < out.size(); i++) {
+        double lb = x1 + dx*i;
+        double ub = lb + dx;
+        out[i].Name = "[" + ToString(lb) + ";" + ToString(ub) + (ub==x2? "]": ")");
+        out[i][xn_out] = (lb + ub) / 2;
+        out[i][yn_sum] = 0.0;
+    }
+    for (const auto& row : in) {
+        if (skip(row)) {
+            continue;
+        }
+        double x = x_in(row);
+        long i = (x - x1) / dx;
+        if (x == x2) { // Special hack to include right edge
+            i--;
+        }
+        double y = y_in(row);
+        ysum += y;
+        if (i >= 0 && i < buckets) {
             out[i][yn_sum] = y + out[i].GetOrDefault(yn_sum, 0.0);
-        } 
-    } 
-    for (TRow& row : out) { 
-        if (ysum != 0.0) { 
+        }
+    }
+    for (TRow& row : out) {
+        if (ysum != 0.0) {
             row[yn_share] = row.GetOrDefault(yn_sum, 0.0) / ysum;
-        } 
-    } 
-    return out; 
-} 
- 
+        }
+    }
+    return out;
+}
+
 inline TTable HistogramAll(const TTable& in, const TString& xn, double x1, double x2, double dx)
-{ 
-    long buckets = (dx == 0.0? 1: (x2 - x1) / dx); 
-    TTable out; 
+{
+    long buckets = (dx == 0.0? 1: (x2 - x1) / dx);
+    TTable out;
     THashMap<TString, double> colSum;
-    out.resize(buckets); 
- 
+    out.resize(buckets);
+
     TSet<TString> cols;
-    for (auto& row : in) { 
-        for (auto& kv : row) { 
-            cols.insert(kv.first); 
-        } 
-    } 
-    cols.insert("_count"); 
-    cols.erase(xn); 
- 
+    for (auto& row : in) {
+        for (auto& kv : row) {
+            cols.insert(kv.first);
+        }
+    }
+    cols.insert("_count");
+    cols.erase(xn);
+
     for (const TString& col : cols) {
-        colSum[col] = 0.0; 
-    } 
- 
-    for (size_t i = 0; i < out.size(); i++) { 
-        double lb = x1 + dx*i; 
-        double ub = lb + dx; 
-        TRow& row = out[i]; 
-        row.Name = "[" + ToString(lb) + ";" + ToString(ub) + (ub==x2? "]": ")"); 
-        row[xn] = (lb + ub) / 2; 
+        colSum[col] = 0.0;
+    }
+
+    for (size_t i = 0; i < out.size(); i++) {
+        double lb = x1 + dx*i;
+        double ub = lb + dx;
+        TRow& row = out[i];
+        row.Name = "[" + ToString(lb) + ";" + ToString(ub) + (ub==x2? "]": ")");
+        row[xn] = (lb + ub) / 2;
         for (const TString& col : cols) {
-            row[col + "_sum"] = 0.0; 
-        } 
-    } 
-    for (const TRow& row_in : in) { 
-        double x; 
-        if (!row_in.Get(xn, x)) { 
-            continue; 
-        } 
-        long i = (dx == 0.0? 0: (x - x1) / dx); 
-        if (x == x2 && dx > 0.0) { // Special hack to include right edge 
-            i--; 
-        } 
-        for (const auto& kv : row_in) { 
+            row[col + "_sum"] = 0.0;
+        }
+    }
+    for (const TRow& row_in : in) {
+        double x;
+        if (!row_in.Get(xn, x)) {
+            continue;
+        }
+        long i = (dx == 0.0? 0: (x - x1) / dx);
+        if (x == x2 && dx > 0.0) { // Special hack to include right edge
+            i--;
+        }
+        for (const auto& kv : row_in) {
             const TString& yn = kv.first;
-            if (yn == xn) { 
-                continue; 
-            } 
+            if (yn == xn) {
+                continue;
+            }
             double y;
             if (!row_in.Get(yn, y)) {
                 continue;
             }
-            colSum[yn] += y; 
-            if (i >= 0 && i < buckets) { 
+            colSum[yn] += y;
+            if (i >= 0 && i < buckets) {
                 out[i][yn + "_cnt"] = out[i].GetOrDefault(yn + "_cnt") + 1;
                 out[i][yn + "_sum"] = out[i].GetOrDefault(yn + "_sum") + y;
                 if (out[i].contains(yn + "_min")) {
                     out[i][yn + "_min"] = Min(y, out[i].GetOrDefault(yn + "_min"));
-                } else { 
-                    out[i][yn + "_min"] = y; 
-                } 
+                } else {
+                    out[i][yn + "_min"] = y;
+                }
                 if (out[i].contains(yn + "_max")) {
                     out[i][yn + "_max"] = Max(y, out[i].GetOrDefault(yn + "_max"));
-                } else { 
-                    out[i][yn + "_max"] = y; 
-                } 
-            } 
-        } 
-        colSum["_count"]++; 
-        if (i >= 0 && i < buckets) { 
+                } else {
+                    out[i][yn + "_max"] = y;
+                }
+            }
+        }
+        colSum["_count"]++;
+        if (i >= 0 && i < buckets) {
             out[i]["_count_sum"] = out[i].GetOrDefault("_count_sum") + 1;
-        } 
-    } 
-    for (TRow& row : out) { 
+        }
+    }
+    for (TRow& row : out) {
         for (const TString& col : cols) {
-            double ysum = colSum[col]; 
-            if (col != "_count") { 
+            double ysum = colSum[col];
+            if (col != "_count") {
                 if (row.GetOrDefault(col + "_cnt") != 0.0) {
                     row[col + "_avg"] = row.GetOrDefault(col + "_sum") / row.GetOrDefault(col + "_cnt");
-                } 
-            } 
-            if (ysum != 0.0) { 
+                }
+            }
+            if (ysum != 0.0) {
                 row[col + "_share"] = row.GetOrDefault(col + "_sum") / ysum;
-            } 
-        } 
-    } 
-    return out; 
-} 
- 
-inline TMatrix CovarianceMatrix(const TTable& in) 
-{ 
+            }
+        }
+    }
+    return out;
+}
+
+inline TMatrix CovarianceMatrix(const TTable& in)
+{
     TSet<TString> cols;
-    for (auto& row : in) { 
-        for (auto& kv : row) { 
-            cols.insert(kv.first); 
-        } 
-    } 
- 
-    struct TAggregate { 
-        size_t Idx = 0; 
-        double Sum = 0; 
-        size_t Count = 0; 
-        double Mean = 0; 
-    }; 
- 
+    for (auto& row : in) {
+        for (auto& kv : row) {
+            cols.insert(kv.first);
+        }
+    }
+
+    struct TAggregate {
+        size_t Idx = 0;
+        double Sum = 0;
+        size_t Count = 0;
+        double Mean = 0;
+    };
+
     THashMap<TString, TAggregate> colAggr;
- 
-    size_t colCount = 0; 
-    for (const TString& col : cols) { 
-        TAggregate& aggr = colAggr[col]; 
-        aggr.Idx = colCount++; 
-    } 
- 
-    for (const TRow& row : in) { 
-        for (const auto& kv : row) { 
-            const TString& xn = kv.first; 
+
+    size_t colCount = 0;
+    for (const TString& col : cols) {
+        TAggregate& aggr = colAggr[col];
+        aggr.Idx = colCount++;
+    }
+
+    for (const TRow& row : in) {
+        for (const auto& kv : row) {
+            const TString& xn = kv.first;
             double x;
             if (!row.Get(xn, x)) {
                 continue;
             }
-            TAggregate& aggr = colAggr[xn]; 
-            aggr.Sum += x; 
-            aggr.Count++; 
-        } 
-    } 
- 
-    for (auto& kv : colAggr) { 
-        TAggregate& aggr = kv.second; 
-        aggr.Mean = aggr.Sum / aggr.Count; 
-    } 
- 
-    TMatrix covCount(cols.size(), cols.size()); 
-    TMatrix cov(cols.size(), cols.size()); 
-    for (const TRow& row : in) { 
-        for (const auto& kv1 : row) { 
+            TAggregate& aggr = colAggr[xn];
+            aggr.Sum += x;
+            aggr.Count++;
+        }
+    }
+
+    for (auto& kv : colAggr) {
+        TAggregate& aggr = kv.second;
+        aggr.Mean = aggr.Sum / aggr.Count;
+    }
+
+    TMatrix covCount(cols.size(), cols.size());
+    TMatrix cov(cols.size(), cols.size());
+    for (const TRow& row : in) {
+        for (const auto& kv1 : row) {
             double x;
             if (!row.Get(kv1.first, x)) {
                 continue;
             }
-            TAggregate& xaggr = colAggr[kv1.first]; 
-            for (const auto& kv2 : row) { 
+            TAggregate& xaggr = colAggr[kv1.first];
+            for (const auto& kv2 : row) {
                 double y;
                 if (!row.Get(kv2.first, y)) {
                     continue;
                 }                
-                TAggregate& yaggr = colAggr[kv2.first]; 
-                covCount.Cell(xaggr.Idx, yaggr.Idx)++; 
-                cov.Cell(xaggr.Idx, yaggr.Idx) += (x - xaggr.Mean) * (y - yaggr.Mean); 
-            } 
-        } 
-    } 
- 
-    for (size_t idx = 0; idx < cov.size(); idx++) { 
-        cov[idx] /= covCount[idx]; 
-    } 
- 
-    return cov; 
-} 
- 
-} 
+                TAggregate& yaggr = colAggr[kv2.first];
+                covCount.Cell(xaggr.Idx, yaggr.Idx)++;
+                cov.Cell(xaggr.Idx, yaggr.Idx) += (x - xaggr.Mean) * (y - yaggr.Mean);
+            }
+        }
+    }
+
+    for (size_t idx = 0; idx < cov.size(); idx++) {
+        cov[idx] /= covCount[idx];
+    }
+
+    return cov;
+}
+
+}
diff --git a/library/cpp/lwtrace/mon/analytics/util.h b/library/cpp/lwtrace/mon/analytics/util.h
index 891ef9ad25..e07d06cc43 100644
--- a/library/cpp/lwtrace/mon/analytics/util.h
+++ b/library/cpp/lwtrace/mon/analytics/util.h
@@ -1,122 +1,122 @@
-#pragma once 
- 
+#pragma once
+
 #include "data.h"
-#include <util/generic/algorithm.h> 
-#include <util/generic/hash_set.h> 
-#include <util/string/vector.h> 
- 
-namespace NAnalytics { 
- 
-// Get rid of NaNs and INFs 
+#include <util/generic/algorithm.h>
+#include <util/generic/hash_set.h>
+#include <util/string/vector.h>
+
+namespace NAnalytics {
+
+// Get rid of NaNs and INFs
 inline double Finitize(double x, double notFiniteValue = 0.0)
-{ 
-    return isfinite(x)? x: notFiniteValue; 
-} 
- 
+{
+    return isfinite(x)? x: notFiniteValue;
+}
+
 inline void ParseNameAndOpts(const TString& nameAndOpts, TString& name, THashSet<TString>& opts)
-{ 
-    name.clear(); 
-    opts.clear(); 
-    bool first = true; 
+{
+    name.clear();
+    opts.clear();
+    bool first = true;
     auto vs = SplitString(nameAndOpts, "-");
-    for (const auto& s : vs) { 
-        if (first) { 
-            name = s; 
-            first = false; 
-        } else { 
-            opts.insert(s); 
-        } 
-    } 
-} 
- 
+    for (const auto& s : vs) {
+        if (first) {
+            name = s;
+            first = false;
+        } else {
+            opts.insert(s);
+        }
+    }
+}
+
 inline TString ParseName(const TString& nameAndOpts)
-{ 
+{
     auto vs = SplitString(nameAndOpts, "-");
-    if (vs.empty()) { 
+    if (vs.empty()) {
         return TString();
-    } else { 
-        return vs[0]; 
-    } 
-} 
- 
-template <class R, class T> 
+    } else {
+        return vs[0];
+    }
+}
+
+template <class R, class T>
 inline R AccumulateIfExist(const TString& name, const TTable& table, R r, T t)
-{ 
-    ForEach(table.begin(), table.end(), [=,&r] (const TRow& row) { 
-        double value; 
-        if (row.Get(name, value)) { 
-            r = t(r, value); 
-        } 
-    }); 
-    return r; 
-} 
- 
+{
+    ForEach(table.begin(), table.end(), [=,&r] (const TRow& row) {
+        double value;
+        if (row.Get(name, value)) {
+            r = t(r, value);
+        }
+    });
+    return r;
+}
+
 inline double MinValue(const TString& nameAndOpts, const TTable& table)
-{ 
+{
     TString name;
     THashSet<TString> opts;
-    ParseNameAndOpts(nameAndOpts, name, opts); 
+    ParseNameAndOpts(nameAndOpts, name, opts);
     bool stack = opts.contains("stack");
-    if (stack) { 
-        return 0.0; 
-    } else { 
+    if (stack) {
+        return 0.0;
+    } else {
         auto zero = 0.0;
 
         return AccumulateIfExist(name, table, 1.0 / zero /*+inf*/, [] (double x, double y) {
-            return Min(x, y); 
-        }); 
-    } 
-} 
- 
+            return Min(x, y);
+        });
+    }
+}
+
 inline double MaxValue(const TString& nameAndOpts, const TTable& table)
-{ 
+{
     TString name;
     THashSet<TString> opts;
-    ParseNameAndOpts(nameAndOpts, name, opts); 
+    ParseNameAndOpts(nameAndOpts, name, opts);
     bool stack = opts.contains("stack");
-    if (stack) { 
-        return AccumulateIfExist(name, table, 0.0, [] (double x, double y) { 
-            return x + y; 
-        }); 
-    } else { 
+    if (stack) {
+        return AccumulateIfExist(name, table, 0.0, [] (double x, double y) {
+            return x + y;
+        });
+    } else {
         auto zero = 0.0;
 
         return AccumulateIfExist(name, table, -1.0 / zero /*-inf*/, [] (double x, double y) {
-            return Max(x, y); 
-        }); 
-    } 
-} 
- 
-template <class T> 
+            return Max(x, y);
+        });
+    }
+}
+
+template <class T>
 inline void Map(TTable& table, const TString& rname, T t)
-{ 
-    ForEach(table.begin(), table.end(), [=] (TRow& row) { 
-        row[rname] = t(row); 
-    }); 
-} 
- 
+{
+    ForEach(table.begin(), table.end(), [=] (TRow& row) {
+        row[rname] = t(row);
+    });
+}
+
 inline std::function<bool(const TRow&)> HasNoValueFor(TString name)
-{ 
-    return [=] (const TRow& row) -> bool { 
-        double value; 
-        return !row.Get(name, value); 
-    }; 
-} 
- 
- 
+{
+    return [=] (const TRow& row) -> bool {
+        double value;
+        return !row.Get(name, value);
+    };
+}
+
+
 inline std::function<double(const TRow&)> GetValueFor(TString name, double defVal = 0.0)
-{ 
-    return [=] (const TRow& row) -> double { 
-        double value; 
-        return row.Get(name, value)? value: defVal; 
-    }; 
-} 
- 
-inline std::function<double(const TRow&)> Const(double defVal = 0.0) 
-{ 
-    return [=] (const TRow&) { 
-        return defVal; 
-    }; 
-} 
- 
-} 
+{
+    return [=] (const TRow& row) -> double {
+        double value;
+        return row.Get(name, value)? value: defVal;
+    };
+}
+
+inline std::function<double(const TRow&)> Const(double defVal = 0.0)
+{
+    return [=] (const TRow&) {
+        return defVal;
+    };
+}
+
+}
diff --git a/library/cpp/lwtrace/mon/analytics/ya.make b/library/cpp/lwtrace/mon/analytics/ya.make
index 24a04070b7..c18e23c8e1 100644
--- a/library/cpp/lwtrace/mon/analytics/ya.make
+++ b/library/cpp/lwtrace/mon/analytics/ya.make
@@ -1,15 +1,15 @@
-LIBRARY() 
- 
+LIBRARY()
+
 OWNER(serxa g:kikimr)
- 
+
 PEERDIR(
 )
 
-SRCS( 
-    analytics.cpp 
-) 
- 
-END() 
- 
-RECURSE( 
-) 
+SRCS(
+    analytics.cpp
+)
+
+END()
+
+RECURSE(
+)
diff --git a/library/cpp/lwtrace/mon/mon_lwtrace.cpp b/library/cpp/lwtrace/mon/mon_lwtrace.cpp
index b400103f58..a61ee9ce22 100644
--- a/library/cpp/lwtrace/mon/mon_lwtrace.cpp
+++ b/library/cpp/lwtrace/mon/mon_lwtrace.cpp
@@ -1,8 +1,8 @@
 #include "mon_lwtrace.h"
 
-#include <algorithm> 
-#include <iterator> 
- 
+#include <algorithm>
+#include <iterator>
+
 #include <google/protobuf/text_format.h>
 #include <library/cpp/lwtrace/mon/analytics/all.h>
 #include <library/cpp/lwtrace/all.h>
@@ -12,14 +12,14 @@
 #include <library/cpp/resource/resource.h>
 #include <library/cpp/string_utils/base64/base64.h>
 #include <library/cpp/html/pcdata/pcdata.h>
-#include <util/string/escape.h> 
-#include <util/system/condvar.h> 
-#include <util/system/execpath.h> 
+#include <util/string/escape.h>
+#include <util/system/condvar.h>
+#include <util/system/execpath.h>
 #include <util/system/hostname.h>
 
 using namespace NMonitoring;
 
-#define WWW_CHECK(cond, ...) \ 
+#define WWW_CHECK(cond, ...) \
     do { \
         if (!(cond)) { \
             ythrow yexception() << Sprintf(__VA_ARGS__); \
@@ -27,1383 +27,1383 @@ using namespace NMonitoring;
     } while (false) \
     /**/
 
-#define WWW_HTML_INNER(out) HTML(out) WITH_SCOPED(tmp, TScopedHtmlInner(out)) 
-#define WWW_HTML(out) out << NMonitoring::HTTPOKHTML; WWW_HTML_INNER(out) 
-
-namespace NLwTraceMonPage { 
- 
-struct TTrackLogRefs { 
-    struct TItem { 
-        const TThread::TId ThreadId; 
-        const NLWTrace::TLogItem* Ptr; 
- 
-        TItem() 
-            : ThreadId(0) 
-            , Ptr(nullptr) 
-        {} 
- 
-        TItem(TThread::TId tid, const NLWTrace::TLogItem& ref) 
-            : ThreadId(tid) 
-            , Ptr(&ref) 
-        {} 
- 
-        TItem(const TItem& o) 
-            : ThreadId(o.ThreadId) 
-            , Ptr(o.Ptr) 
-        {} 
- 
-        operator const NLWTrace::TLogItem&() const { return *Ptr; } 
-    }; 
- 
+#define WWW_HTML_INNER(out) HTML(out) WITH_SCOPED(tmp, TScopedHtmlInner(out))
+#define WWW_HTML(out) out << NMonitoring::HTTPOKHTML; WWW_HTML_INNER(out)
+
+namespace NLwTraceMonPage {
+
+struct TTrackLogRefs {
+    struct TItem {
+        const TThread::TId ThreadId;
+        const NLWTrace::TLogItem* Ptr;
+
+        TItem()
+            : ThreadId(0)
+            , Ptr(nullptr)
+        {}
+
+        TItem(TThread::TId tid, const NLWTrace::TLogItem& ref)
+            : ThreadId(tid)
+            , Ptr(&ref)
+        {}
+
+        TItem(const TItem& o)
+            : ThreadId(o.ThreadId)
+            , Ptr(o.Ptr)
+        {}
+
+        operator const NLWTrace::TLogItem&() const { return *Ptr; }
+    };
+
     using TItems = TVector<TItem>;
-    TItems Items; 
- 
-    TTrackLogRefs() {} 
- 
-    TTrackLogRefs(const TTrackLogRefs& other) 
-        : Items(other.Items) 
-    {} 
- 
-    void Clear() 
-    { 
-        Items.clear(); 
-    } 
- 
-    ui64 GetTimestampCycles() const 
-    { 
-        return Items.empty()? 0: Items.front().Ptr->GetTimestampCycles(); 
-    } 
-}; 
- 
-// 
-// Templates to treat both NLWTrace::TLogItem and NLWTrace::TTrackLog in the same way (e.g. in TLogQuery) 
-// 
- 
-template <class TLog> 
-struct TLogTraits {}; 
- 
-template <> 
-struct TLogTraits<NLWTrace::TLogItem> { 
-    using TLog = NLWTrace::TLogItem; 
-    using const_iterator = const NLWTrace::TLogItem*; 
-    using const_reverse_iterator = const NLWTrace::TLogItem*; 
- 
-    static const_iterator begin(const TLog& log) { return &log; } 
-    static const_iterator end(const TLog& log) { return &log + 1; } 
-    static const_reverse_iterator rbegin(const TLog& log) { return &log; } 
-    static const_reverse_iterator rend(const TLog& log) { return &log + 1; } 
-    static bool empty(const TLog&) { return false; } 
-    static const NLWTrace::TLogItem& front(const TLog& log) { return log; } 
-    static const NLWTrace::TLogItem& back(const TLog& log) { return log; } 
-}; 
- 
-template <> 
-struct TLogTraits<NLWTrace::TTrackLog> { 
-    using TLog = NLWTrace::TTrackLog; 
-    using const_iterator = NLWTrace::TTrackLog::TItems::const_iterator; 
-    using const_reverse_iterator = NLWTrace::TTrackLog::TItems::const_reverse_iterator; 
- 
-    static const_iterator begin(const TLog& log) { return log.Items.begin(); } 
-    static const_iterator end(const TLog& log) { return log.Items.end(); } 
-    static const_reverse_iterator rbegin(const TLog& log) { return log.Items.rbegin(); } 
-    static const_reverse_iterator rend(const TLog& log) { return log.Items.rend(); } 
-    static bool empty(const TLog& log) { return log.Items.empty(); } 
-    static const NLWTrace::TLogItem& front(const TLog& log) { return log.Items.front(); } 
-    static const NLWTrace::TLogItem& back(const TLog& log) { return log.Items.back(); } 
-}; 
- 
-template <> 
-struct TLogTraits<TTrackLogRefs> { 
-    using TLog = TTrackLogRefs; 
-    using const_iterator = TTrackLogRefs::TItems::const_iterator; 
-    using const_reverse_iterator = TTrackLogRefs::TItems::const_reverse_iterator; 
- 
-    static const_iterator begin(const TLog& log) { return log.Items.begin(); } 
-    static const_iterator end(const TLog& log) { return log.Items.end(); } 
-    static const_reverse_iterator rbegin(const TLog& log) { return log.Items.rbegin(); } 
-    static const_reverse_iterator rend(const TLog& log) { return log.Items.rend(); } 
-    static bool empty(const TLog& log) { return log.Items.empty(); } 
-    static const NLWTrace::TLogItem& front(const TLog& log) { return log.Items.front(); } 
-    static const NLWTrace::TLogItem& back(const TLog& log) { return log.Items.back(); } 
-}; 
- 
-/* 
- * Log Query Language: 
- * Data expressions: 
- *  1) myparam[0], myparam[-1] // the first and the last myparam in any probe/provider 
- *  2) myparam // the first (the same as [0]) 
- *  3) PROVIDER..myparam // any probe with myparam in PROVIDER 
- *  4) MyProbe._elapsedMs // Ms since track begin for the first MyProbe event 
- *  5) PROVIDER.MyProbe._sliceUs // Us since previous event in track for the first PROVIDER.MyProbe event 
- */ 
- 
-struct TLogQuery { 
-private: 
-    enum ESpecialParam { 
-        NotSpecial = 0, 
-        // The last '*' can be one of: Ms, Us, Ns, Min, Hours, (blank means seconds) 
-        // '*Time' can be one of: RTime (since cut ts for given dataset), NTime (negative time since now), Time (since machine start) 
-        TrackDuration = 1,  // _track* 
-        TrackBeginTime = 2, // _begin*Time* 
-        TrackEndTime = 3,   // _end*Time* 
-        ElapsedDuration = 4,  // _elapsed* 
-        SliceDuration = 5,   // _slice* 
-        ThreadTime = 6,      // _thr*Time* 
-    }; 
- 
-    template <class TLog, class TTr = TLogTraits<TLog>> 
-    struct TExecuteQuery; 
- 
-    template <class TLog, class TTr> 
-    friend struct TExecuteQuery; 
- 
-    template <class TLog, class TTr> 
-    struct TExecuteQuery { 
-        const TLogQuery& Query; 
-        const TLog* Log = nullptr; 
-        bool Reversed; 
- 
-        i64 Skip; 
-        const NLWTrace::TLogItem* Item = nullptr; 
-        typename TTr::const_iterator FwdIter; 
-        typename TTr::const_reverse_iterator RevIter; 
- 
-        NLWTrace::TTypedParam Result; 
- 
-        explicit TExecuteQuery(const TLogQuery& query, const TLog& log) 
-            : Query(query) 
-            , Log(&log) 
-            , Reversed(Query.Index < 0) 
-            , Skip(Reversed? -Query.Index - 1: Query.Index) 
-            , FwdIter() 
-            , RevIter() 
-        {} 
- 
-        void ExecuteQuery() 
-        { 
-            if (!Reversed) { 
-                for (auto i = TTr::begin(*Log), e = TTr::end(*Log); i != e; ++i) { 
-                    if (FwdIteration(i)) { 
-                        return; 
-                    } 
-                } 
-            } else { 
-                for (auto i = TTr::rbegin(*Log), e = TTr::rend(*Log); i != e; ++i) { 
-                    if (RevIteration(i)) { 
-                        return; 
-                    } 
-                } 
-            } 
-        } 
- 
-        bool FwdIteration(typename TTr::const_iterator it) 
-        { 
-            FwdIter = it; 
-            Item = &*it; 
-            return ProcessItem(); 
-        } 
- 
-        bool RevIteration(typename TTr::const_reverse_iterator it) 
-        { 
-            RevIter = it; 
-            Item = &*it; 
-            return ProcessItem(); 
-        } 
- 
-        bool ProcessItem() 
-        { 
-            if (Query.Provider && Query.Provider != Item->Probe->Event.GetProvider()) { 
-                return false; 
-            } 
-            if (Query.Probe && Query.Probe != Item->Probe->Event.Name) { 
-                return false; 
-            } 
-            switch (Query.SpecialParam) { 
-            case NotSpecial: 
-                if (Item->Probe->Event.Signature.FindParamIndex(Query.ParamName) != size_t(-1)) { 
-                    break; // param found 
-                } else { 
-                    return false; // param not found 
-                } 
-            case TrackDuration: Y_FAIL(); 
-            case TrackBeginTime: Y_FAIL(); 
-            case TrackEndTime: Y_FAIL(); 
-            case ElapsedDuration: break; 
-            case SliceDuration: break; 
-            case ThreadTime: break; 
-            } 
-            if (Skip > 0) { 
-                Skip--; 
-                return false; 
-            } 
-            switch (Query.SpecialParam) { 
-            case NotSpecial: 
-                Result = NLWTrace::TTypedParam(Item->GetParam(Query.ParamName)); 
-                return true; 
-            case TrackDuration: Y_FAIL(); 
-            case TrackBeginTime: Y_FAIL(); 
-            case TrackEndTime: Y_FAIL(); 
-            case ElapsedDuration: 
-                Result = NLWTrace::TTypedParam(Query.Duration( 
-                    Log->GetTimestampCycles(), 
-                    Item->GetTimestampCycles())); 
-                return true; 
-            case SliceDuration: 
-                Result = NLWTrace::TTypedParam(Query.Duration( 
-                    PrevOrSame().GetTimestampCycles(), 
-                    Item->GetTimestampCycles())); 
-                return true; 
-            case ThreadTime: 
-                Result = NLWTrace::TTypedParam(Query.Instant(Item->GetTimestampCycles())); 
-                return true; 
-            } 
-            return true; 
-        } 
- 
-        const NLWTrace::TLogItem& PrevOrSame() const 
-        { 
-            if (!Reversed) { 
-                auto i = FwdIter; 
-                if (i != TTr::begin(*Log)) { 
-                    i--; 
-                } 
-                return *i; 
-            } else { 
-                auto j = RevIter + 1; 
-                if (j == TTr::rend(*Log)) { 
-                    return *RevIter; 
-                } 
-                return *j; 
-            } 
-        } 
-    }; 
- 
+    TItems Items;
+
+    TTrackLogRefs() {}
+
+    TTrackLogRefs(const TTrackLogRefs& other)
+        : Items(other.Items)
+    {}
+
+    void Clear()
+    {
+        Items.clear();
+    }
+
+    ui64 GetTimestampCycles() const
+    {
+        return Items.empty()? 0: Items.front().Ptr->GetTimestampCycles();
+    }
+};
+
+//
+// Templates to treat both NLWTrace::TLogItem and NLWTrace::TTrackLog in the same way (e.g. in TLogQuery)
+//
+
+template <class TLog>
+struct TLogTraits {};
+
+template <>
+struct TLogTraits<NLWTrace::TLogItem> {
+    using TLog = NLWTrace::TLogItem;
+    using const_iterator = const NLWTrace::TLogItem*;
+    using const_reverse_iterator = const NLWTrace::TLogItem*;
+
+    static const_iterator begin(const TLog& log) { return &log; }
+    static const_iterator end(const TLog& log) { return &log + 1; }
+    static const_reverse_iterator rbegin(const TLog& log) { return &log; }
+    static const_reverse_iterator rend(const TLog& log) { return &log + 1; }
+    static bool empty(const TLog&) { return false; }
+    static const NLWTrace::TLogItem& front(const TLog& log) { return log; }
+    static const NLWTrace::TLogItem& back(const TLog& log) { return log; }
+};
+
+template <>
+struct TLogTraits<NLWTrace::TTrackLog> {
+    using TLog = NLWTrace::TTrackLog;
+    using const_iterator = NLWTrace::TTrackLog::TItems::const_iterator;
+    using const_reverse_iterator = NLWTrace::TTrackLog::TItems::const_reverse_iterator;
+
+    static const_iterator begin(const TLog& log) { return log.Items.begin(); }
+    static const_iterator end(const TLog& log) { return log.Items.end(); }
+    static const_reverse_iterator rbegin(const TLog& log) { return log.Items.rbegin(); }
+    static const_reverse_iterator rend(const TLog& log) { return log.Items.rend(); }
+    static bool empty(const TLog& log) { return log.Items.empty(); }
+    static const NLWTrace::TLogItem& front(const TLog& log) { return log.Items.front(); }
+    static const NLWTrace::TLogItem& back(const TLog& log) { return log.Items.back(); }
+};
+
+template <>
+struct TLogTraits<TTrackLogRefs> {
+    using TLog = TTrackLogRefs;
+    using const_iterator = TTrackLogRefs::TItems::const_iterator;
+    using const_reverse_iterator = TTrackLogRefs::TItems::const_reverse_iterator;
+
+    static const_iterator begin(const TLog& log) { return log.Items.begin(); }
+    static const_iterator end(const TLog& log) { return log.Items.end(); }
+    static const_reverse_iterator rbegin(const TLog& log) { return log.Items.rbegin(); }
+    static const_reverse_iterator rend(const TLog& log) { return log.Items.rend(); }
+    static bool empty(const TLog& log) { return log.Items.empty(); }
+    static const NLWTrace::TLogItem& front(const TLog& log) { return log.Items.front(); }
+    static const NLWTrace::TLogItem& back(const TLog& log) { return log.Items.back(); }
+};
+
+/*
+ * Log Query Language:
+ * Data expressions:
+ *  1) myparam[0], myparam[-1] // the first and the last myparam in any probe/provider
+ *  2) myparam // the first (the same as [0])
+ *  3) PROVIDER..myparam // any probe with myparam in PROVIDER
+ *  4) MyProbe._elapsedMs // Ms since track begin for the first MyProbe event
+ *  5) PROVIDER.MyProbe._sliceUs // Us since previous event in track for the first PROVIDER.MyProbe event
+ */
+
+struct TLogQuery {
+private:
+    enum ESpecialParam {
+        NotSpecial = 0,
+        // The last '*' can be one of: Ms, Us, Ns, Min, Hours, (blank means seconds)
+        // '*Time' can be one of: RTime (since cut ts for given dataset), NTime (negative time since now), Time (since machine start)
+        TrackDuration = 1,  // _track*
+        TrackBeginTime = 2, // _begin*Time*
+        TrackEndTime = 3,   // _end*Time*
+        ElapsedDuration = 4,  // _elapsed*
+        SliceDuration = 5,   // _slice*
+        ThreadTime = 6,      // _thr*Time*
+    };
+
+    template <class TLog, class TTr = TLogTraits<TLog>>
+    struct TExecuteQuery;
+
+    template <class TLog, class TTr>
+    friend struct TExecuteQuery;
+
+    template <class TLog, class TTr>
+    struct TExecuteQuery {
+        const TLogQuery& Query;
+        const TLog* Log = nullptr;
+        bool Reversed;
+
+        i64 Skip;
+        const NLWTrace::TLogItem* Item = nullptr;
+        typename TTr::const_iterator FwdIter;
+        typename TTr::const_reverse_iterator RevIter;
+
+        NLWTrace::TTypedParam Result;
+
+        explicit TExecuteQuery(const TLogQuery& query, const TLog& log)
+            : Query(query)
+            , Log(&log)
+            , Reversed(Query.Index < 0)
+            , Skip(Reversed? -Query.Index - 1: Query.Index)
+            , FwdIter()
+            , RevIter()
+        {}
+
+        void ExecuteQuery()
+        {
+            if (!Reversed) {
+                for (auto i = TTr::begin(*Log), e = TTr::end(*Log); i != e; ++i) {
+                    if (FwdIteration(i)) {
+                        return;
+                    }
+                }
+            } else {
+                for (auto i = TTr::rbegin(*Log), e = TTr::rend(*Log); i != e; ++i) {
+                    if (RevIteration(i)) {
+                        return;
+                    }
+                }
+            }
+        }
+
+        bool FwdIteration(typename TTr::const_iterator it)
+        {
+            FwdIter = it;
+            Item = &*it;
+            return ProcessItem();
+        }
+
+        bool RevIteration(typename TTr::const_reverse_iterator it)
+        {
+            RevIter = it;
+            Item = &*it;
+            return ProcessItem();
+        }
+
+        bool ProcessItem()
+        {
+            if (Query.Provider && Query.Provider != Item->Probe->Event.GetProvider()) {
+                return false;
+            }
+            if (Query.Probe && Query.Probe != Item->Probe->Event.Name) {
+                return false;
+            }
+            switch (Query.SpecialParam) {
+            case NotSpecial:
+                if (Item->Probe->Event.Signature.FindParamIndex(Query.ParamName) != size_t(-1)) {
+                    break; // param found
+                } else {
+                    return false; // param not found
+                }
+            case TrackDuration: Y_FAIL();
+            case TrackBeginTime: Y_FAIL();
+            case TrackEndTime: Y_FAIL();
+            case ElapsedDuration: break;
+            case SliceDuration: break;
+            case ThreadTime: break;
+            }
+            if (Skip > 0) {
+                Skip--;
+                return false;
+            }
+            switch (Query.SpecialParam) {
+            case NotSpecial:
+                Result = NLWTrace::TTypedParam(Item->GetParam(Query.ParamName));
+                return true;
+            case TrackDuration: Y_FAIL();
+            case TrackBeginTime: Y_FAIL();
+            case TrackEndTime: Y_FAIL();
+            case ElapsedDuration:
+                Result = NLWTrace::TTypedParam(Query.Duration(
+                    Log->GetTimestampCycles(),
+                    Item->GetTimestampCycles()));
+                return true;
+            case SliceDuration:
+                Result = NLWTrace::TTypedParam(Query.Duration(
+                    PrevOrSame().GetTimestampCycles(),
+                    Item->GetTimestampCycles()));
+                return true;
+            case ThreadTime:
+                Result = NLWTrace::TTypedParam(Query.Instant(Item->GetTimestampCycles()));
+                return true;
+            }
+            return true;
+        }
+
+        const NLWTrace::TLogItem& PrevOrSame() const
+        {
+            if (!Reversed) {
+                auto i = FwdIter;
+                if (i != TTr::begin(*Log)) {
+                    i--;
+                }
+                return *i;
+            } else {
+                auto j = RevIter + 1;
+                if (j == TTr::rend(*Log)) {
+                    return *RevIter;
+                }
+                return *j;
+            }
+        }
+    };
+
     TString Text;
     TString Provider;
     TString Probe;
     TString ParamName;
-    ESpecialParam SpecialParam = NotSpecial; 
-    i64 Index = 0; 
-    double TimeUnitSec = 1.0; 
-    i64 ZeroTs = 0; 
-    i64 RTimeZeroTs = 0; 
-    i64 NTimeZeroTs = 0; 
- 
-public: 
-    TLogQuery() {} 
- 
+    ESpecialParam SpecialParam = NotSpecial;
+    i64 Index = 0;
+    double TimeUnitSec = 1.0;
+    i64 ZeroTs = 0;
+    i64 RTimeZeroTs = 0;
+    i64 NTimeZeroTs = 0;
+
+public:
+    TLogQuery() {}
+
     explicit TLogQuery(const TString& text)
-        : Text(text) 
-    { 
-        try { 
-            if (!Text.empty()) { 
-                ParseQuery(Text); 
-            } 
-        } catch (...) { 
-            ythrow yexception() 
-                << CurrentExceptionMessage() 
-                << " while parsing track log query: " 
-                << Text; 
-        } 
-    } 
- 
-    operator bool() const 
-    { 
-        return !Text.empty(); 
-    } 
- 
-    template <class TLog> 
-    NLWTrace::TTypedParam ExecuteQuery(const TLog& log) const 
-    { 
-        using TTr = TLogTraits<TLog>; 
- 
-        WWW_CHECK(Text, "execute of empty log query"); 
-        if (TTr::empty(log)) { 
-            return NLWTrace::TTypedParam(); 
-        } 
- 
-        if (SpecialParam == TrackDuration) { 
-            return Duration( 
-                log.GetTimestampCycles(), 
-                TTr::back(log).GetTimestampCycles()); 
-        } else if (SpecialParam == TrackBeginTime) { 
-            return Instant(log.GetTimestampCycles()); 
-        } else if (SpecialParam == TrackEndTime) { 
-            return Instant(TTr::back(log).GetTimestampCycles()); 
-        } 
- 
-        TExecuteQuery<TLog, TTr> exec(*this, log); 
-        exec.ExecuteQuery(); 
-        return exec.Result; 
-    } 
- 
-private: 
-    NLWTrace::TTypedParam Duration(ui64 ts1, ui64 ts2) const 
-    { 
-        double sec = NHPTimer::GetSeconds(ts1 < ts2? ts2 - ts1: 0); 
-        return NLWTrace::TTypedParam(sec / TimeUnitSec); 
-    } 
- 
-    NLWTrace::TTypedParam Instant(ui64 ts) const 
-    { 
-        double sec = NHPTimer::GetSeconds(i64(ts) - ZeroTs); 
-        return NLWTrace::TTypedParam(sec / TimeUnitSec); 
-    } 
- 
+        : Text(text)
+    {
+        try {
+            if (!Text.empty()) {
+                ParseQuery(Text);
+            }
+        } catch (...) {
+            ythrow yexception()
+                << CurrentExceptionMessage()
+                << " while parsing track log query: "
+                << Text;
+        }
+    }
+
+    operator bool() const
+    {
+        return !Text.empty();
+    }
+
+    template <class TLog>
+    NLWTrace::TTypedParam ExecuteQuery(const TLog& log) const
+    {
+        using TTr = TLogTraits<TLog>;
+
+        WWW_CHECK(Text, "execute of empty log query");
+        if (TTr::empty(log)) {
+            return NLWTrace::TTypedParam();
+        }
+
+        if (SpecialParam == TrackDuration) {
+            return Duration(
+                log.GetTimestampCycles(),
+                TTr::back(log).GetTimestampCycles());
+        } else if (SpecialParam == TrackBeginTime) {
+            return Instant(log.GetTimestampCycles());
+        } else if (SpecialParam == TrackEndTime) {
+            return Instant(TTr::back(log).GetTimestampCycles());
+        }
+
+        TExecuteQuery<TLog, TTr> exec(*this, log);
+        exec.ExecuteQuery();
+        return exec.Result;
+    }
+
+private:
+    NLWTrace::TTypedParam Duration(ui64 ts1, ui64 ts2) const
+    {
+        double sec = NHPTimer::GetSeconds(ts1 < ts2? ts2 - ts1: 0);
+        return NLWTrace::TTypedParam(sec / TimeUnitSec);
+    }
+
+    NLWTrace::TTypedParam Instant(ui64 ts) const
+    {
+        double sec = NHPTimer::GetSeconds(i64(ts) - ZeroTs);
+        return NLWTrace::TTypedParam(sec / TimeUnitSec);
+    }
+
     void ParseQuery(const TString& s)
-    { 
+    {
         auto parts = SplitString(s, ".");
-        WWW_CHECK(parts.size() <= 3, "too many name specifiers"); 
+        WWW_CHECK(parts.size() <= 3, "too many name specifiers");
         ParseParamSelector(parts.back());
-        if (parts.size() >= 2) { 
-            ParseProbeSelector(parts[parts.size() - 2]); 
-        } 
-        if (parts.size() >= 3) { 
-            ParseProviderSelector(parts[parts.size() - 3]); 
-        } 
-    } 
- 
+        if (parts.size() >= 2) {
+            ParseProbeSelector(parts[parts.size() - 2]);
+        }
+        if (parts.size() >= 3) {
+            ParseProviderSelector(parts[parts.size() - 3]);
+        }
+    }
+
     void ParseParamSelector(const TString& s)
-    { 
-        size_t bracket = s.find('['); 
+    {
+        size_t bracket = s.find('[');
         if (bracket == TString::npos) {
-            ParseParamName(s); 
-            Index = 0; 
-        } else { 
-            ParseParamName(s.substr(0, bracket)); 
-            size_t bracket2 = s.find(']', bracket); 
+            ParseParamName(s);
+            Index = 0;
+        } else {
+            ParseParamName(s.substr(0, bracket));
+            size_t bracket2 = s.find(']', bracket);
             WWW_CHECK(bracket2 != TString::npos, "closing braket ']' is missing");
-            Index = FromString<i64>(s.substr(bracket + 1, bracket2 - bracket - 1)); 
-        } 
-    } 
- 
+            Index = FromString<i64>(s.substr(bracket + 1, bracket2 - bracket - 1));
+        }
+    }
+
     void ParseParamName(const TString& s)
-    { 
-        ParamName = s; 
+    {
+        ParamName = s;
         TString paramName = s;
- 
+
         const static TVector<std::pair<TString, ESpecialParam>> specials = {
-            { "_track", TrackDuration }, 
-            { "_begin", TrackBeginTime }, 
-            { "_end", TrackEndTime }, 
-            { "_elapsed", ElapsedDuration }, 
-            { "_slice", SliceDuration }, 
-            { "_thr", ThreadTime } 
-        }; 
- 
-        // Check for special params 
-        SpecialParam = NotSpecial; 
-        for (const auto& p : specials) { 
-            if (paramName.StartsWith(p.first)) { 
-                SpecialParam = p.second; 
+            { "_track", TrackDuration },
+            { "_begin", TrackBeginTime },
+            { "_end", TrackEndTime },
+            { "_elapsed", ElapsedDuration },
+            { "_slice", SliceDuration },
+            { "_thr", ThreadTime }
+        };
+
+        // Check for special params
+        SpecialParam = NotSpecial;
+        for (const auto& p : specials) {
+            if (paramName.StartsWith(p.first)) {
+                SpecialParam = p.second;
                 paramName.erase(0, p.first.size());
-                break; 
-            } 
-        } 
- 
-        if (SpecialParam == NotSpecial) { 
-            return; 
-        } 
- 
+                break;
+            }
+        }
+
+        if (SpecialParam == NotSpecial) {
+            return;
+        }
+
         const static TVector<std::pair<TString, double>> timeUnits = {
-            { "Ms", 1e-3 }, 
-            { "Us", 1e-6 }, 
-            { "Ns", 1e-9 }, 
-            { "Min", 60.0 }, 
-            { "Hours", 3600.0 } 
-        }; 
- 
-        // Parse units for special params 
-        TimeUnitSec = 1.0; 
-        for (const auto& p : timeUnits) { 
-            if (paramName.EndsWith(p.first)) { 
-                TimeUnitSec = p.second; 
+            { "Ms", 1e-3 },
+            { "Us", 1e-6 },
+            { "Ns", 1e-9 },
+            { "Min", 60.0 },
+            { "Hours", 3600.0 }
+        };
+
+        // Parse units for special params
+        TimeUnitSec = 1.0;
+        for (const auto& p : timeUnits) {
+            if (paramName.EndsWith(p.first)) {
+                TimeUnitSec = p.second;
                 paramName.erase(paramName.size() - p.first.size());
-                break; 
-            } 
-        } 
- 
-        if (SpecialParam == ThreadTime || 
-                SpecialParam == TrackBeginTime || 
-                SpecialParam == TrackEndTime) 
-        { 
-            // Parse time zero for special instant params 
+                break;
+            }
+        }
+
+        if (SpecialParam == ThreadTime ||
+                SpecialParam == TrackBeginTime ||
+                SpecialParam == TrackEndTime)
+        {
+            // Parse time zero for special instant params
             const TVector<std::pair<TString, i64>> timeZeros = {
-                { "RTime", RTimeZeroTs }, 
-                { "NTime", NTimeZeroTs }, 
-                { "Time", 0ll } 
-            }; 
-            ZeroTs = -1; 
-            for (const auto& p : timeZeros) { 
-                if (paramName.EndsWith(p.first)) { 
-                    ZeroTs = p.second; 
+                { "RTime", RTimeZeroTs },
+                { "NTime", NTimeZeroTs },
+                { "Time", 0ll }
+            };
+            ZeroTs = -1;
+            for (const auto& p : timeZeros) {
+                if (paramName.EndsWith(p.first)) {
+                    ZeroTs = p.second;
                     paramName.erase(paramName.size() - p.first.size());
-                    break; 
-                } 
-            } 
+                    break;
+                }
+            }
             WWW_CHECK(ZeroTs != -1, "wrong special param name (postfix '*Time' required): %s", s.data());
-        } 
- 
+        }
+
         WWW_CHECK(paramName.empty(), "wrong special param name: %s", s.data());
-    } 
- 
+    }
+
     void ParseProbeSelector(const TString& s)
-    { 
-        Probe = s; 
-    } 
- 
+    {
+        Probe = s;
+    }
+
     void ParseProviderSelector(const TString& s)
-    { 
-        Provider = s; 
-    } 
-}; 
- 
+    {
+        Provider = s;
+    }
+};
+
 using TVariants = TVector<std::pair<TString, TString>>;
 using TTags = TSet<TString>;
- 
+
 TString GetProbeName(const NLWTrace::TProbe* probe, const char* sep = ".")
-{ 
+{
     return TString(probe->Event.GetProvider()) + sep + probe->Event.Name;
-} 
- 
-struct TAdHocTraceConfig { 
-    NLWTrace::TQuery Cfg; 
- 
-    TAdHocTraceConfig() {} // Invalid config 
- 
-    TAdHocTraceConfig(ui16 logSize, ui64 logDurationUs, bool logShuttle) 
-    { 
-        auto block = Cfg.AddBlocks(); // Create one block to distinguish valid config 
-        if (logSize) { 
-            Cfg.SetPerThreadLogSize(logSize); 
-        } 
-        if (logDurationUs) { 
-            Cfg.SetLogDurationUs(logDurationUs); 
-        } 
-        if (logShuttle) { 
-            block->AddAction()->MutableRunLogShuttleAction(); 
-        } 
-    } 
- 
+}
+
+struct TAdHocTraceConfig {
+    NLWTrace::TQuery Cfg;
+
+    TAdHocTraceConfig() {} // Invalid config
+
+    TAdHocTraceConfig(ui16 logSize, ui64 logDurationUs, bool logShuttle)
+    {
+        auto block = Cfg.AddBlocks(); // Create one block to distinguish valid config
+        if (logSize) {
+            Cfg.SetPerThreadLogSize(logSize);
+        }
+        if (logDurationUs) {
+            Cfg.SetLogDurationUs(logDurationUs);
+        }
+        if (logShuttle) {
+            block->AddAction()->MutableRunLogShuttleAction();
+        }
+    }
+
     TAdHocTraceConfig(const TString& provider, const TString& probe, ui16 logSize = 0, ui64 logDurationUs = 0, bool logShuttle = false)
-        : TAdHocTraceConfig(logSize, logDurationUs, logShuttle) 
-    { 
-        auto block = Cfg.MutableBlocks(0); 
-        auto pdesc = block->MutableProbeDesc(); 
-        pdesc->SetProvider(provider); 
-        pdesc->SetName(probe); 
-    } 
- 
+        : TAdHocTraceConfig(logSize, logDurationUs, logShuttle)
+    {
+        auto block = Cfg.MutableBlocks(0);
+        auto pdesc = block->MutableProbeDesc();
+        pdesc->SetProvider(provider);
+        pdesc->SetName(probe);
+    }
+
     explicit TAdHocTraceConfig(const TString& group, ui16 logSize = 0, ui64 logDurationUs = 0, bool logShuttle = false)
-        : TAdHocTraceConfig(logSize, logDurationUs, logShuttle) 
-    { 
-        auto block = Cfg.MutableBlocks(0); 
-        auto pdesc = block->MutableProbeDesc(); 
-        pdesc->SetGroup(group); 
-    } 
- 
+        : TAdHocTraceConfig(logSize, logDurationUs, logShuttle)
+    {
+        auto block = Cfg.MutableBlocks(0);
+        auto pdesc = block->MutableProbeDesc();
+        pdesc->SetGroup(group);
+    }
+
     TString Id() const
-    { 
-        TStringStream ss; 
-        for (size_t blockIdx = 0; blockIdx < Cfg.BlocksSize(); blockIdx++) { 
-            if (!ss.Str().empty()) { 
-                ss << "/"; 
-            } 
-            auto block = Cfg.GetBlocks(blockIdx); 
-            auto pdesc = block.GetProbeDesc(); 
+    {
+        TStringStream ss;
+        for (size_t blockIdx = 0; blockIdx < Cfg.BlocksSize(); blockIdx++) {
+            if (!ss.Str().empty()) {
+                ss << "/";
+            }
+            auto block = Cfg.GetBlocks(blockIdx);
+            auto pdesc = block.GetProbeDesc();
             if (pdesc.GetProvider()) {
-                ss << "." << pdesc.GetProvider() << "." << pdesc.GetName(); 
+                ss << "." << pdesc.GetProvider() << "." << pdesc.GetName();
             } else if (pdesc.GetGroup()) {
-                ss << ".Group." << pdesc.GetGroup(); 
-            } 
-            // TODO[serxa]: handle predicate 
-            for (size_t actionIdx = 0; actionIdx < block.ActionSize(); actionIdx++) { 
-                const NLWTrace::TAction& action = block.GetAction(actionIdx); 
-                if (action.HasRunLogShuttleAction()) { 
-                    auto ls = action.GetRunLogShuttleAction(); 
-                    ss << ".alsr"; 
-                    if (ls.GetIgnore()) { 
-                        ss << "-i"; 
-                    } 
+                ss << ".Group." << pdesc.GetGroup();
+            }
+            // TODO[serxa]: handle predicate
+            for (size_t actionIdx = 0; actionIdx < block.ActionSize(); actionIdx++) {
+                const NLWTrace::TAction& action = block.GetAction(actionIdx);
+                if (action.HasRunLogShuttleAction()) {
+                    auto ls = action.GetRunLogShuttleAction();
+                    ss << ".alsr";
+                    if (ls.GetIgnore()) {
+                        ss << "-i";
+                    }
                     if (ls.GetShuttlesCount()) {
-                        ss << "-s" << ls.GetShuttlesCount(); 
-                    } 
+                        ss << "-s" << ls.GetShuttlesCount();
+                    }
                     if (ls.GetMaxTrackLength()) {
-                        ss << "-t" << ls.GetMaxTrackLength(); 
-                    } 
-                } else if (action.HasEditLogShuttleAction()) { 
-                    auto ls = action.GetEditLogShuttleAction(); 
-                    ss << ".alse"; 
-                    if (ls.GetIgnore()) { 
-                        ss << "-i"; 
-                    } 
-                } else if (action.HasDropLogShuttleAction()) { 
-                    ss << ".alsd"; 
-                } 
-            } 
-        } 
+                        ss << "-t" << ls.GetMaxTrackLength();
+                    }
+                } else if (action.HasEditLogShuttleAction()) {
+                    auto ls = action.GetEditLogShuttleAction();
+                    ss << ".alse";
+                    if (ls.GetIgnore()) {
+                        ss << "-i";
+                    }
+                } else if (action.HasDropLogShuttleAction()) {
+                    ss << ".alsd";
+                }
+            }
+        }
         if (Cfg.GetPerThreadLogSize()) {
-            ss << ".l" << Cfg.GetPerThreadLogSize(); 
-        } 
+            ss << ".l" << Cfg.GetPerThreadLogSize();
+        }
         if (Cfg.GetLogDurationUs()) {
-            ui64 logDurationUs = Cfg.GetLogDurationUs(); 
-            if (logDurationUs % (60 * 1000 * 1000) == 0) 
-                ss << ".d" << logDurationUs / (60 * 1000 * 1000) << "m"; 
-            if (logDurationUs % (1000 * 1000) == 0) 
-                ss << ".d" << logDurationUs / (1000 * 1000) << "s"; 
-            else if (logDurationUs % 1000 == 0) 
-                ss << ".d" << logDurationUs / 1000 << "ms"; 
-            else 
-                ss << ".d" << logDurationUs << "us"; 
-        } 
-        return ss.Str(); 
-    } 
- 
-    bool IsValid() const 
-    { 
-        return Cfg.BlocksSize() > 0; 
-    } 
- 
-    NLWTrace::TQuery Query() const 
-    { 
-        if (!IsValid()) { 
-            ythrow yexception() << "invalid adhoc trace config"; 
-        } 
-        return Cfg; 
-    } 
- 
+            ui64 logDurationUs = Cfg.GetLogDurationUs();
+            if (logDurationUs % (60 * 1000 * 1000) == 0)
+                ss << ".d" << logDurationUs / (60 * 1000 * 1000) << "m";
+            if (logDurationUs % (1000 * 1000) == 0)
+                ss << ".d" << logDurationUs / (1000 * 1000) << "s";
+            else if (logDurationUs % 1000 == 0)
+                ss << ".d" << logDurationUs / 1000 << "ms";
+            else
+                ss << ".d" << logDurationUs << "us";
+        }
+        return ss.Str();
+    }
+
+    bool IsValid() const
+    {
+        return Cfg.BlocksSize() > 0;
+    }
+
+    NLWTrace::TQuery Query() const
+    {
+        if (!IsValid()) {
+            ythrow yexception() << "invalid adhoc trace config";
+        }
+        return Cfg;
+    }
+
     bool ParseId(const TString& id)
-    { 
-        if (IsAdHocId(id)) { 
+    {
+        if (IsAdHocId(id)) {
             for (const TString& block : SplitString(id, "/")) {
-                if (block.empty()) { 
-                    continue; 
-                } 
-                size_t cutPos = (block[0] == '.'? 1: 0); 
+                if (block.empty()) {
+                    continue;
+                }
+                size_t cutPos = (block[0] == '.'? 1: 0);
                 TVector<TString> parts = SplitString(block.substr(cutPos), ".");
                 WWW_CHECK(parts.size() >= 2, "too few parts in adhoc trace id '%s' block '%s'", id.data(), block.data());
-                auto blockPb = Cfg.AddBlocks(); 
-                auto pdescPb = blockPb->MutableProbeDesc(); 
-                if (parts[0] == "Group") { 
-                    pdescPb->SetGroup(parts[1]); 
-                } else { 
-                    pdescPb->SetProvider(parts[0]); 
-                    pdescPb->SetName(parts[1]); 
-                } 
-                bool defaultAction = true; 
-                for (auto i = parts.begin() + 2, e = parts.end(); i != e; ++i) { 
+                auto blockPb = Cfg.AddBlocks();
+                auto pdescPb = blockPb->MutableProbeDesc();
+                if (parts[0] == "Group") {
+                    pdescPb->SetGroup(parts[1]);
+                } else {
+                    pdescPb->SetProvider(parts[0]);
+                    pdescPb->SetName(parts[1]);
+                }
+                bool defaultAction = true;
+                for (auto i = parts.begin() + 2, e = parts.end(); i != e; ++i) {
                     const TString& part = *i;
-                    if (part.empty()) { 
-                        continue; 
-                    } 
-                    switch (part[0]) { 
-                    case 'l': Cfg.SetPerThreadLogSize(FromString<ui16>(part.substr(1))); break; 
-                    case 'd': Cfg.SetLogDurationUs(ParseDuration(part.substr(1))); break; 
-                    case 's': blockPb->MutablePredicate()->SetSampleRate(1.0 / Max<ui64>(1, FromString<ui64>(part.substr(1)))); break; 
-                    case 'p': ParsePredicate(blockPb->MutablePredicate()->AddOperators(), part.substr(1)); break; 
-                    case 'a': ParseAction(blockPb->AddAction(), part.substr(1)); defaultAction = false; break; 
+                    if (part.empty()) {
+                        continue;
+                    }
+                    switch (part[0]) {
+                    case 'l': Cfg.SetPerThreadLogSize(FromString<ui16>(part.substr(1))); break;
+                    case 'd': Cfg.SetLogDurationUs(ParseDuration(part.substr(1))); break;
+                    case 's': blockPb->MutablePredicate()->SetSampleRate(1.0 / Max<ui64>(1, FromString<ui64>(part.substr(1)))); break;
+                    case 'p': ParsePredicate(blockPb->MutablePredicate()->AddOperators(), part.substr(1)); break;
+                    case 'a': ParseAction(blockPb->AddAction(), part.substr(1)); defaultAction = false; break;
                     default: WWW_CHECK(false, "unknown adhoc trace part type '%s' in '%s'", part.data(), id.data());
-                    } 
-                } 
-                if (defaultAction) { 
-                    blockPb->AddAction()->MutableLogAction(); 
-                } 
-            } 
-            return true; 
-        } 
-        return false; 
-    } 
-private: 
+                    }
+                }
+                if (defaultAction) {
+                    blockPb->AddAction()->MutableLogAction();
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+private:
     static bool IsAdHocId(const TString& id)
-    { 
-        return !id.empty() && id[0] == '.'; 
-    } 
- 
+    {
+        return !id.empty() && id[0] == '.';
+    }
+
     void ParsePredicate(NLWTrace::TOperator* op, const TString& p)
-    { 
-        size_t sign = p.find_first_of("=!><"); 
+    {
+        size_t sign = p.find_first_of("=!><");
         WWW_CHECK(sign != TString::npos, "wrong predicate format in adhoc trace: %s", p.data());
-        op->AddArgument()->SetParam(p.substr(0, sign)); 
-        size_t value = sign + 1; 
-        switch (p[sign]) { 
-        case '=': 
-            op->SetType(NLWTrace::OT_EQ); 
-            break; 
-        case '!': { 
+        op->AddArgument()->SetParam(p.substr(0, sign));
+        size_t value = sign + 1;
+        switch (p[sign]) {
+        case '=':
+            op->SetType(NLWTrace::OT_EQ);
+            break;
+        case '!': {
             WWW_CHECK(p.size() > sign + 1, "wrong predicate operator format in adhoc trace: %s", p.data());
             WWW_CHECK(p[sign + 1] == '=', "wrong predicate operator format in adhoc trace: %s", p.data());
-            value++; 
-            op->SetType(NLWTrace::OT_NE); 
-            break; 
-        } 
-        case '<': { 
+            value++;
+            op->SetType(NLWTrace::OT_NE);
+            break;
+        }
+        case '<': {
             WWW_CHECK(p.size() > sign + 1, "wrong predicate operator format in adhoc trace: %s", p.data());
-            if (p[sign + 1] == '=') { 
-                value++; 
-                op->SetType(NLWTrace::OT_LE); 
-            } else { 
-                op->SetType(NLWTrace::OT_LT); 
-            } 
-            break; 
-        } 
-        case '>': { 
+            if (p[sign + 1] == '=') {
+                value++;
+                op->SetType(NLWTrace::OT_LE);
+            } else {
+                op->SetType(NLWTrace::OT_LT);
+            }
+            break;
+        }
+        case '>': {
             WWW_CHECK(p.size() > sign + 1, "wrong predicate operator format in adhoc trace: %s", p.data());
-            if (p[sign + 1] == '=') { 
-                value++; 
-                op->SetType(NLWTrace::OT_GE); 
-            } else { 
-                op->SetType(NLWTrace::OT_GT); 
-            } 
-            break; 
-        } 
+            if (p[sign + 1] == '=') {
+                value++;
+                op->SetType(NLWTrace::OT_GE);
+            } else {
+                op->SetType(NLWTrace::OT_GT);
+            }
+            break;
+        }
         default: WWW_CHECK(false, "wrong predicate operator format in adhoc trace: %s", p.data());
-        } 
-        op->AddArgument()->SetValue(p.substr(value)); 
-    } 
- 
+        }
+        op->AddArgument()->SetValue(p.substr(value));
+    }
+
     void ParseAction(NLWTrace::TAction* action, const TString& a)
-    { 
-        // NOTE: checks for longer action names should go first, your captain. 
-        if (a.substr(0, 3) == "lsr") { 
-            auto pb = action->MutableRunLogShuttleAction(); 
+    {
+        // NOTE: checks for longer action names should go first, your captain.
+        if (a.substr(0, 3) == "lsr") {
+            auto pb = action->MutableRunLogShuttleAction();
             for (const TString& opt : SplitString(a.substr(3), "-")) {
-                if (!opt.empty()) { 
-                    switch (opt[0]) { 
-                    case 'i': pb->SetIgnore(true); break; 
-                    case 's': pb->SetShuttlesCount(FromString<ui64>(opt.substr(1))); break; 
-                    case 't': pb->SetMaxTrackLength(FromString<ui64>(opt.substr(1))); break; 
+                if (!opt.empty()) {
+                    switch (opt[0]) {
+                    case 'i': pb->SetIgnore(true); break;
+                    case 's': pb->SetShuttlesCount(FromString<ui64>(opt.substr(1))); break;
+                    case 't': pb->SetMaxTrackLength(FromString<ui64>(opt.substr(1))); break;
                     default: WWW_CHECK(false, "unknown adhoc trace log shuttle opt '%s' in '%s'", opt.data(), a.data());
-                    } 
-                } 
-            } 
-        } else if (a.substr(0, 3) == "lse") { 
-            auto pb = action->MutableEditLogShuttleAction(); 
+                    }
+                }
+            }
+        } else if (a.substr(0, 3) == "lse") {
+            auto pb = action->MutableEditLogShuttleAction();
             for (const TString& opt : SplitString(a.substr(3), "-")) {
-                if (!opt.empty()) { 
-                    switch (opt[0]) { 
-                    case 'i': pb->SetIgnore(true); break; 
+                if (!opt.empty()) {
+                    switch (opt[0]) {
+                    case 'i': pb->SetIgnore(true); break;
                     default: WWW_CHECK(false, "unknown adhoc trace log shuttle opt '%s' in '%s'", opt.data(), a.data());
-                    } 
-                } 
-            } 
-        } else if (a.substr(0, 3) == "lsd") { 
-            action->MutableDropLogShuttleAction(); 
-        } else if (a.substr(0, 1) == "l") { 
-            auto pb = action->MutableLogAction(); 
+                    }
+                }
+            }
+        } else if (a.substr(0, 3) == "lsd") {
+            action->MutableDropLogShuttleAction();
+        } else if (a.substr(0, 1) == "l") {
+            auto pb = action->MutableLogAction();
             for (const TString& opt : SplitString(a.substr(1), "-")) {
-                if (!opt.empty()) { 
-                    switch (opt[0]) { 
-                    case 't': pb->SetLogTimestamp(true); break; 
-                    case 'r': pb->SetMaxRecords(FromString<ui32>(opt.substr(1))); break; 
+                if (!opt.empty()) {
+                    switch (opt[0]) {
+                    case 't': pb->SetLogTimestamp(true); break;
+                    case 'r': pb->SetMaxRecords(FromString<ui32>(opt.substr(1))); break;
                     default: WWW_CHECK(false, "unknown adhoc trace log opt '%s' in '%s'", opt.data(), a.data());
-                    } 
-                } 
-            } 
-        } else { 
+                    }
+                }
+            }
+        } else {
             WWW_CHECK(false, "wrong action format in adhoc trace: %s", a.data());
-        } 
-    } 
- 
+        }
+    }
+
     static ui64 ParseDuration(const TString& s)
-    { 
-        if (s.substr(s.length() - 2) == "us") 
-            return FromString<ui64>(s.substr(0, s.length() - 2)); 
-        if (s.substr(s.length() - 2) == "ms") 
-            return FromString<ui64>(s.substr(0, s.length() - 2)) * 1000; 
-        if (s.substr(s.length() - 1) == "s") 
-            return FromString<ui64>(s.substr(0, s.length() - 1)) * 1000 * 1000; 
-        if (s.substr(s.length() - 1) == "m") 
-            return FromString<ui64>(s.substr(0, s.length() - 1)) * 60 * 1000 * 1000; 
-        else 
-            return FromString<ui64>(s); 
-    } 
-}; 
- 
-// Class that maintains one thread iff there are adhoc traces and cleans'em by deadlines 
-class TTraceCleaner { 
-private: 
-    NLWTrace::TManager* TraceMngr; 
-    TAtomic Quit = 0; 
- 
-    TMutex Mtx; 
-    TCondVar WakeCondVar; 
+    {
+        if (s.substr(s.length() - 2) == "us")
+            return FromString<ui64>(s.substr(0, s.length() - 2));
+        if (s.substr(s.length() - 2) == "ms")
+            return FromString<ui64>(s.substr(0, s.length() - 2)) * 1000;
+        if (s.substr(s.length() - 1) == "s")
+            return FromString<ui64>(s.substr(0, s.length() - 1)) * 1000 * 1000;
+        if (s.substr(s.length() - 1) == "m")
+            return FromString<ui64>(s.substr(0, s.length() - 1)) * 60 * 1000 * 1000;
+        else
+            return FromString<ui64>(s);
+    }
+};
+
+// Class that maintains one thread iff there are adhoc traces and cleans'em by deadlines
+class TTraceCleaner {
+private:
+    NLWTrace::TManager* TraceMngr;
+    TAtomic Quit = 0;
+
+    TMutex Mtx;
+    TCondVar WakeCondVar;
     THashMap<TString, TInstant> Deadlines;
-    volatile bool ThreadIsRunning = false; 
-    THolder<TThread> Thread; 
-public: 
-    TTraceCleaner(NLWTrace::TManager* traceMngr) 
-        : TraceMngr(traceMngr) 
-    {} 
- 
-    ~TTraceCleaner() 
-    { 
-        AtomicSet(Quit, 1); 
-        WakeCondVar.Signal(); 
-        // TThread dtor joins thread 
-    } 
- 
-    // Returns deadline for specified trace id or zero 
+    volatile bool ThreadIsRunning = false;
+    THolder<TThread> Thread;
+public:
+    TTraceCleaner(NLWTrace::TManager* traceMngr)
+        : TraceMngr(traceMngr)
+    {}
+
+    ~TTraceCleaner()
+    {
+        AtomicSet(Quit, 1);
+        WakeCondVar.Signal();
+        // TThread dtor joins thread
+    }
+
+    // Returns deadline for specified trace id or zero
     TInstant GetDeadline(const TString& id) const
-    { 
-        TGuard<TMutex> g(Mtx); 
-        auto iter = Deadlines.find(id); 
-        return iter != Deadlines.end()? iter->second: TInstant::Zero(); 
-    } 
- 
-    // Postpone deletion of specified trace for specified timeout 
+    {
+        TGuard<TMutex> g(Mtx);
+        auto iter = Deadlines.find(id);
+        return iter != Deadlines.end()? iter->second: TInstant::Zero();
+    }
+
+    // Postpone deletion of specified trace for specified timeout
     void Postpone(const TString& id, TDuration timeout, bool allowLowering)
-    { 
-        TGuard<TMutex> g(Mtx); 
-        TInstant newDeadline = TInstant::Now() + timeout; 
-        if (Deadlines[id] < newDeadline) { 
-            Deadlines[id] = newDeadline; 
-        } else if (allowLowering) { // Deadline lowering requires wake 
-            Deadlines[id] = newDeadline; 
-            WakeCondVar.Signal(); 
-        } 
-        if (newDeadline != TInstant::Max() && !ThreadIsRunning) { 
-            // Note that dtor joins previous thread if any 
-            Thread.Reset(new TThread(ThreadProc, this)); 
-            Thread->Start(); 
-            ThreadIsRunning = true; 
-        } 
-    } 
- 
-    // Forget about specified trace deletion 
+    {
+        TGuard<TMutex> g(Mtx);
+        TInstant newDeadline = TInstant::Now() + timeout;
+        if (Deadlines[id] < newDeadline) {
+            Deadlines[id] = newDeadline;
+        } else if (allowLowering) { // Deadline lowering requires wake
+            Deadlines[id] = newDeadline;
+            WakeCondVar.Signal();
+        }
+        if (newDeadline != TInstant::Max() && !ThreadIsRunning) {
+            // Note that dtor joins previous thread if any
+            Thread.Reset(new TThread(ThreadProc, this));
+            Thread->Start();
+            ThreadIsRunning = true;
+        }
+    }
+
+    // Forget about specified trace deletion
     void Forget(const TString& id)
-    { 
-        TGuard<TMutex> g(Mtx); 
-        Deadlines.erase(id); 
-        WakeCondVar.Signal(); // in case thread is not required any more 
-    } 
-private: 
-    void Exec() 
-    { 
-        while (!AtomicGet(Quit)) { 
-            TGuard<TMutex> g(Mtx); 
- 
-            // Delete all timed out traces 
-            TInstant now = TInstant::Now(); 
-            TInstant nextDeadline = TInstant::Max(); 
-            for (auto i = Deadlines.begin(), e = Deadlines.end(); i != e;) { 
+    {
+        TGuard<TMutex> g(Mtx);
+        Deadlines.erase(id);
+        WakeCondVar.Signal(); // in case thread is not required any more
+    }
+private:
+    void Exec()
+    {
+        while (!AtomicGet(Quit)) {
+            TGuard<TMutex> g(Mtx);
+
+            // Delete all timed out traces
+            TInstant now = TInstant::Now();
+            TInstant nextDeadline = TInstant::Max();
+            for (auto i = Deadlines.begin(), e = Deadlines.end(); i != e;) {
                 const TString& id = i->first;
-                TInstant deadline = i->second; 
-                if (deadline < now) { 
-                    try { 
-                        TraceMngr->Delete(id); 
-                    } catch (...) { 
-                        // already deleted 
-                    } 
-                    Deadlines.erase(i++); 
-                } else { 
-                    nextDeadline = Min(nextDeadline, deadline); 
-                    ++i; 
-                } 
-            } 
- 
-            // Stop thread if there is no more work 
-            if (Deadlines.empty() || nextDeadline == TInstant::Max()) { 
-                ThreadIsRunning = false; 
-                break; 
-            } 
- 
-            // Wait until next deadline or quit 
-            WakeCondVar.WaitD(Mtx, nextDeadline); 
-        } 
-    } 
- 
-    static void* ThreadProc(void* _this) 
-    { 
+                TInstant deadline = i->second;
+                if (deadline < now) {
+                    try {
+                        TraceMngr->Delete(id);
+                    } catch (...) {
+                        // already deleted
+                    }
+                    Deadlines.erase(i++);
+                } else {
+                    nextDeadline = Min(nextDeadline, deadline);
+                    ++i;
+                }
+            }
+
+            // Stop thread if there is no more work
+            if (Deadlines.empty() || nextDeadline == TInstant::Max()) {
+                ThreadIsRunning = false;
+                break;
+            }
+
+            // Wait until next deadline or quit
+            WakeCondVar.WaitD(Mtx, nextDeadline);
+        }
+    }
+
+    static void* ThreadProc(void* _this)
+    {
         TString name = "LWTraceCleaner";
-        // Copy-pasted from kikimr/core/util/thread.h 
-#if defined(_linux_) 
-        TStringStream linuxName; 
-        linuxName << TStringBuf(GetExecPath()).RNextTok('/') << "." << name; 
+        // Copy-pasted from kikimr/core/util/thread.h
+#if defined(_linux_)
+        TStringStream linuxName;
+        linuxName << TStringBuf(GetExecPath()).RNextTok('/') << "." << name;
         TThread::SetCurrentThreadName(linuxName.Str().data());
-#else 
+#else
         TThread::SetCurrentThreadName(name.data());
-#endif 
-        static_cast<TTraceCleaner*>(_this)->Exec(); 
-        return nullptr; 
-    } 
-}; 
- 
-class TChromeTrace { 
-private: 
+#endif
+        static_cast<TTraceCleaner*>(_this)->Exec();
+        return nullptr;
+    }
+};
+
+class TChromeTrace {
+private:
     TMultiMap<double, TString> TraceEvents;
     THashMap<TThread::TId, TString> Tids;
-public: 
+public:
     void Add(TThread::TId tid, ui64 tsCycles, const TString& ph, const TString& cat,
-             const NLWTrace::TLogItem* argsItem = nullptr, 
+             const NLWTrace::TLogItem* argsItem = nullptr,
              const TString& name = TString(), const TString& id = TString())
-    { 
-        auto tidIter = Tids.find(tid); 
-        if (tidIter == Tids.end()) { 
-            tidIter = Tids.emplace(tid, ToString(Tids.size() + 1)).first; 
-        } 
+    {
+        auto tidIter = Tids.find(tid);
+        if (tidIter == Tids.end()) {
+            tidIter = Tids.emplace(tid, ToString(Tids.size() + 1)).first;
+        }
         const TString& shortId = tidIter->second;
-        double ts = Timestamp(tsCycles); 
-        TraceEvents.emplace(ts, Event(shortId, ts, ph, cat, argsItem, name, id)); 
-    } 
- 
+        double ts = Timestamp(tsCycles);
+        TraceEvents.emplace(ts, Event(shortId, ts, ph, cat, argsItem, name, id));
+    }
+
     void Output(IOutputStream& os)
-    { 
-        os << "{\"traceEvents\":["; 
-        bool first = true; 
-        for (auto kv : TraceEvents) { 
-            if (!first) { 
-                os << ",\n"; 
-            } 
-            os << kv.second; 
-            first = false; 
-        } 
-        os << "]}"; 
-    } 
- 
-private: 
+    {
+        os << "{\"traceEvents\":[";
+        bool first = true;
+        for (auto kv : TraceEvents) {
+            if (!first) {
+                os << ",\n";
+            }
+            os << kv.second;
+            first = false;
+        }
+        os << "]}";
+    }
+
+private:
     static TString Event(const TString& tid, double ts, const TString& ph, const TString& cat,
-                        const NLWTrace::TLogItem* argsItem, 
+                        const NLWTrace::TLogItem* argsItem,
                         const TString& name, const TString& id)
-    { 
-        TStringStream ss; 
-        pid_t pid = 1; 
-        ss << "{\"pid\":" << pid 
-           << ",\"tid\":" << tid 
-           << ",\"ts\":" << Sprintf("%lf", ts) 
-           << ",\"ph\":\"" << ph << "\"" 
-           << ",\"cat\":\"" << cat << "\""; 
-        if (name) { 
-            ss << ",\"name\":\"" << name << "\""; 
-        } 
-        if (id) { 
-            ss << ",\"id\":\"" << id << "\""; 
-        } 
-        if (argsItem && argsItem->SavedParamsCount > 0) { 
-            ss << ",\"args\":{"; 
+    {
+        TStringStream ss;
+        pid_t pid = 1;
+        ss << "{\"pid\":" << pid
+           << ",\"tid\":" << tid
+           << ",\"ts\":" << Sprintf("%lf", ts)
+           << ",\"ph\":\"" << ph << "\""
+           << ",\"cat\":\"" << cat << "\"";
+        if (name) {
+            ss << ",\"name\":\"" << name << "\"";
+        }
+        if (id) {
+            ss << ",\"id\":\"" << id << "\"";
+        }
+        if (argsItem && argsItem->SavedParamsCount > 0) {
+            ss << ",\"args\":{";
             TString paramValues[LWTRACE_MAX_PARAMS];
-            argsItem->Probe->Event.Signature.SerializeParams(argsItem->Params, paramValues); 
-            bool first = true; 
-            for (size_t pi = 0; pi < argsItem->SavedParamsCount; pi++, first = false) { 
-                if (!first) { 
-                    ss << ","; 
-                } 
+            argsItem->Probe->Event.Signature.SerializeParams(argsItem->Params, paramValues);
+            bool first = true;
+            for (size_t pi = 0; pi < argsItem->SavedParamsCount; pi++, first = false) {
+                if (!first) {
+                    ss << ",";
+                }
                 ss << "\"" << TString(argsItem->Probe->Event.Signature.ParamNames[pi]) << "\":"
-                      "\"" << paramValues[pi] << "\""; 
-            } 
-            ss << "}"; 
-        } 
-        ss << "}"; 
-        return ss.Str(); 
-    } 
- 
-    static double Timestamp(ui64 cycles) 
-    { 
-        return double(cycles) * 1000000.0 / NHPTimer::GetClockRate(); 
-    } 
-}; 
- 
-TString MakeUrl(const TCgiParameters& e, const THashMap<TString, TString>& values) 
-{ 
-    TStringStream ss; 
-    bool first = true; 
-    for (const auto& [k, v] : e) { 
-        if (values.find(k) == values.end()) { 
-            ss << (first? "?": "&") << k << "=" << v; 
-            first = false; 
-        } 
-    } 
-    for (const auto& [k, v] : values) { 
-        ss << (first? "?": "&") << k << "=" << v; 
-        first = false; 
-    } 
-    return ss.Str(); 
-} 
- 
+                      "\"" << paramValues[pi] << "\"";
+            }
+            ss << "}";
+        }
+        ss << "}";
+        return ss.Str();
+    }
+
+    static double Timestamp(ui64 cycles)
+    {
+        return double(cycles) * 1000000.0 / NHPTimer::GetClockRate();
+    }
+};
+
+TString MakeUrl(const TCgiParameters& e, const THashMap<TString, TString>& values)
+{
+    TStringStream ss;
+    bool first = true;
+    for (const auto& [k, v] : e) {
+        if (values.find(k) == values.end()) {
+            ss << (first? "?": "&") << k << "=" << v;
+            first = false;
+        }
+    }
+    for (const auto& [k, v] : values) {
+        ss << (first? "?": "&") << k << "=" << v;
+        first = false;
+    }
+    return ss.Str();
+}
+
 TString MakeUrl(const TCgiParameters& e, const TString& key, const TString& value, bool keep = false)
-{ 
-    TStringStream ss; 
-    bool first = true; 
-    for (const auto& kv : e) { 
-        if (keep || kv.first != key) { 
-            ss << (first? "?": "&") << kv.first << "=" << kv.second; 
-            first = false; 
-        } 
-    } 
-    ss << (first? "?": "&") << key << "=" << value; 
-    return ss.Str(); 
-} 
- 
+{
+    TStringStream ss;
+    bool first = true;
+    for (const auto& kv : e) {
+        if (keep || kv.first != key) {
+            ss << (first? "?": "&") << kv.first << "=" << kv.second;
+            first = false;
+        }
+    }
+    ss << (first? "?": "&") << key << "=" << value;
+    return ss.Str();
+}
+
 TString MakeUrlAdd(const TCgiParameters& e, const TString& key, const TString& value)
-{ 
-    TStringStream ss; 
-    bool first = true; 
-    for (const auto& kv : e) { 
-        ss << (first? "?": "&") << kv.first << "=" << kv.second; 
-        first = false; 
-    } 
-    ss << (first? "?": "&") << key << "=" << value; 
-    return ss.Str(); 
-} 
- 
+{
+    TStringStream ss;
+    bool first = true;
+    for (const auto& kv : e) {
+        ss << (first? "?": "&") << kv.first << "=" << kv.second;
+        first = false;
+    }
+    ss << (first? "?": "&") << key << "=" << value;
+    return ss.Str();
+}
+
 TString MakeUrlReplace(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue)
-{ 
-    TStringStream ss; 
-    bool first = true; 
-    bool inserted = false; 
-    for (const auto& kv : e) { 
-        if (kv.first == key && (kv.second == oldValue || kv.second == newValue)) { 
-            if (!inserted) { 
-                inserted = true; 
-                ss << (first? "?": "&") << key << "=" << newValue; 
-                first = false; 
-            } 
-        } else { 
-            ss << (first? "?": "&") << kv.first << "=" << kv.second; 
-            first = false; 
-        } 
-    } 
-    if (!inserted) { 
-        ss << (first? "?": "&") << key << "=" << newValue; 
-    } 
-    return ss.Str(); 
-} 
- 
+{
+    TStringStream ss;
+    bool first = true;
+    bool inserted = false;
+    for (const auto& kv : e) {
+        if (kv.first == key && (kv.second == oldValue || kv.second == newValue)) {
+            if (!inserted) {
+                inserted = true;
+                ss << (first? "?": "&") << key << "=" << newValue;
+                first = false;
+            }
+        } else {
+            ss << (first? "?": "&") << kv.first << "=" << kv.second;
+            first = false;
+        }
+    }
+    if (!inserted) {
+        ss << (first? "?": "&") << key << "=" << newValue;
+    }
+    return ss.Str();
+}
+
 TString MakeUrlErase(const TCgiParameters& e, const TString& key, const TString& value)
-{ 
-    TStringStream ss; 
-    bool first = true; 
-    for (const auto& kv : e) { 
-        if (kv.first != key || kv.second != value) { 
-            ss << (first? "?": "&") << kv.first << "=" << kv.second; 
-            first = false; 
-        } 
-    } 
-    return ss.Str(); 
-} 
- 
+{
+    TStringStream ss;
+    bool first = true;
+    for (const auto& kv : e) {
+        if (kv.first != key || kv.second != value) {
+            ss << (first? "?": "&") << kv.first << "=" << kv.second;
+            first = false;
+        }
+    }
+    return ss.Str();
+}
+
 TString EscapeSubvalue(const TString& s)
-{ 
+{
     TString ret;
     ret.reserve(s.size());
     for (size_t i = 0; i < s.size(); i++) {
-        char c = s[i]; 
-        if (c == ':') { 
-            ret.append("^c"); 
-        } else if (c == '^') { 
-            ret.append("^^"); 
-        } else { 
-            ret.append(c); 
-        } 
-    } 
-    return ret; 
-} 
- 
+        char c = s[i];
+        if (c == ':') {
+            ret.append("^c");
+        } else if (c == '^') {
+            ret.append("^^");
+        } else {
+            ret.append(c);
+        }
+    }
+    return ret;
+}
+
 TString UnescapeSubvalue(const TString& s)
-{ 
+{
     TString ret;
     ret.reserve(s.size());
     for (size_t i = 0; i < s.size(); i++) {
-        char c = s[i]; 
+        char c = s[i];
         if (c == '^' && i + 1 < s.size()) {
-            char c2 = s[++i]; 
-            if (c2 == 'c') { 
-                ret.append(':'); 
-            } else if (c2 == '^') { 
-                ret.append('^'); 
-            } else { 
-                ret.append(c); 
-                ret.append(c2); 
-            } 
-        } else { 
-            ret.append(c); 
-        } 
-    } 
-    return ret; 
-} 
- 
+            char c2 = s[++i];
+            if (c2 == 'c') {
+                ret.append(':');
+            } else if (c2 == '^') {
+                ret.append('^');
+            } else {
+                ret.append(c);
+                ret.append(c2);
+            }
+        } else {
+            ret.append(c);
+        }
+    }
+    return ret;
+}
+
 TVector<TString> Subvalues(const TCgiParameters& e, const TString& key)
-{ 
-    if (!e.Has(key)) { 
+{
+    if (!e.Has(key)) {
         return TVector<TString>();
-    } else { 
+    } else {
         TVector<TString> ret;
         for (const TString& s : SplitString(e.Get(key), ":", 0, KEEP_EMPTY_TOKENS)) {
-            ret.push_back(UnescapeSubvalue(s)); 
-        } 
-        if (ret.empty()) { 
-            ret.push_back(""); 
-        } 
-        return ret; 
-    } 
-} 
- 
+            ret.push_back(UnescapeSubvalue(s));
+        }
+        if (ret.empty()) {
+            ret.push_back("");
+        }
+        return ret;
+    }
+}
+
 TString ParseTagsOut(const TString& taggedStr, TTags& tags)
-{ 
+{
     auto vec = SplitString(taggedStr, "-");
-    if (vec.empty()) { 
-        return ""; 
-    } 
-    auto iter = vec.begin(); 
+    if (vec.empty()) {
+        return "";
+    }
+    auto iter = vec.begin();
     TString value = *iter++;
-    for (;iter != vec.end(); ++iter) { 
-        tags.insert(*iter); 
-    } 
-    return value; 
-} 
- 
+    for (;iter != vec.end(); ++iter) {
+        tags.insert(*iter);
+    }
+    return value;
+}
+
 TString JoinTags(TTags tags) {
     return JoinStrings(TVector<TString>(tags.begin(), tags.end()), "-");
-} 
- 
+}
+
 TString MakeValue(const TVector<TString>& subvalues)
-{ 
+{
     TVector<TString> subvaluesEsc;
     for (const TString& s : subvalues) {
-        subvaluesEsc.push_back(EscapeSubvalue(s)); 
-    } 
+        subvaluesEsc.push_back(EscapeSubvalue(s));
+    }
     return JoinStrings(subvaluesEsc, ":");
-} 
- 
+}
+
 TString MakeUrlAddSub(const TCgiParameters& e, const TString& key, const TString& subvalue)
-{ 
+{
     const TString& value = e.Get(key);
-    auto subvalues = Subvalues(e, key); 
-    subvalues.push_back(subvalue); 
-    return MakeUrlReplace(e, key, value, MakeValue(subvalues)); 
-} 
- 
+    auto subvalues = Subvalues(e, key);
+    subvalues.push_back(subvalue);
+    return MakeUrlReplace(e, key, value, MakeValue(subvalues));
+}
+
 TString MakeUrlReplaceSub(const TCgiParameters& e, const TString& key, const TString& oldSubvalue, const TString& newSubvalue)
-{ 
+{
     const TString& value = e.Get(key);
-    auto subvalues = Subvalues(e, key); 
-    auto iter = std::find(subvalues.begin(), subvalues.end(), oldSubvalue); 
-    if (iter != subvalues.end()) { 
-        *iter = newSubvalue; 
-    } else { 
-        subvalues.push_back(newSubvalue); 
-    } 
-    return MakeUrlReplace(e, key, value, MakeValue(subvalues)); 
-} 
- 
+    auto subvalues = Subvalues(e, key);
+    auto iter = std::find(subvalues.begin(), subvalues.end(), oldSubvalue);
+    if (iter != subvalues.end()) {
+        *iter = newSubvalue;
+    } else {
+        subvalues.push_back(newSubvalue);
+    }
+    return MakeUrlReplace(e, key, value, MakeValue(subvalues));
+}
+
 TString MakeUrlEraseSub(const TCgiParameters& e, const TString& key, const TString& subvalue)
-{ 
+{
     const TString& value = e.Get(key);
-    auto subvalues = Subvalues(e, key); 
-    auto iter = std::find(subvalues.begin(), subvalues.end(), subvalue); 
-    if (iter != subvalues.end()) { 
-        subvalues.erase(iter); 
-    } 
-    if (subvalues.empty()) { 
-        return MakeUrlErase(e, key, value); 
-    } else { 
-        return MakeUrlReplace(e, key, value, MakeValue(subvalues)); 
-    } 
-} 
- 
+    auto subvalues = Subvalues(e, key);
+    auto iter = std::find(subvalues.begin(), subvalues.end(), subvalue);
+    if (iter != subvalues.end()) {
+        subvalues.erase(iter);
+    }
+    if (subvalues.empty()) {
+        return MakeUrlErase(e, key, value);
+    } else {
+        return MakeUrlReplace(e, key, value, MakeValue(subvalues));
+    }
+}
+
 template <bool sub> TString UrlAdd(const TCgiParameters& e, const TString& key, const TString& value);
 template <> TString UrlAdd<false>(const TCgiParameters& e, const TString& key, const TString& value) {
-    return MakeUrlAdd(e, key, value); 
-} 
+    return MakeUrlAdd(e, key, value);
+}
 template <> TString UrlAdd<true>(const TCgiParameters& e, const TString& key, const TString& value) {
-    return MakeUrlAddSub(e, key, value); 
-} 
- 
+    return MakeUrlAddSub(e, key, value);
+}
+
 template <bool sub> TString UrlReplace(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue);
 template <> TString UrlReplace<false>(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue) {
-    return MakeUrlReplace(e, key, oldValue, newValue); 
-} 
+    return MakeUrlReplace(e, key, oldValue, newValue);
+}
 template <> TString UrlReplace<true>(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue) {
-    return MakeUrlReplaceSub(e, key, oldValue, newValue); 
-} 
- 
+    return MakeUrlReplaceSub(e, key, oldValue, newValue);
+}
+
 template <bool sub> TString UrlErase(const TCgiParameters& e, const TString& key, const TString& value);
 template <> TString UrlErase<false>(const TCgiParameters& e, const TString& key, const TString& value) {
-    return MakeUrlErase(e, key, value); 
-} 
+    return MakeUrlErase(e, key, value);
+}
 template <> TString UrlErase<true>(const TCgiParameters& e, const TString& key, const TString& value) {
-    return MakeUrlEraseSub(e, key, value); 
-} 
- 
+    return MakeUrlEraseSub(e, key, value);
+}
+
 void OutputCommonHeader(IOutputStream& out)
-{ 
-    out << NResource::Find("lwtrace/mon/static/header.html") << Endl; 
-} 
- 
+{
+    out << NResource::Find("lwtrace/mon/static/header.html") << Endl;
+}
+
 void OutputCommonFooter(IOutputStream& out)
-{ 
-    out << NResource::Find("lwtrace/mon/static/footer.html") << Endl; 
-} 
- 
-struct TScopedHtmlInner { 
+{
+    out << NResource::Find("lwtrace/mon/static/footer.html") << Endl;
+}
+
+struct TScopedHtmlInner {
     explicit TScopedHtmlInner(IOutputStream& str)
-        : Str(str) 
-    { 
-        Str << "<!DOCTYPE html>\n" 
-               "<html>"; 
-        HTML(str) { 
-            HEAD() { OutputCommonHeader(Str); } 
-        } 
-        Str << "<body>"; 
-    } 
- 
-    ~TScopedHtmlInner() 
-    { 
-        OutputCommonFooter(Str); 
-        Str << "</body></html>"; 
-    } 
- 
-    inline operator bool () const noexcept { return true; } 
- 
+        : Str(str)
+    {
+        Str << "<!DOCTYPE html>\n"
+               "<html>";
+        HTML(str) {
+            HEAD() { OutputCommonHeader(Str); }
+        }
+        Str << "<body>";
+    }
+
+    ~TScopedHtmlInner()
+    {
+        OutputCommonFooter(Str);
+        Str << "</body></html>";
+    }
+
+    inline operator bool () const noexcept { return true; }
+
     IOutputStream &Str;
-}; 
- 
+};
+
 TString NavbarHeader()
-{ 
-    return "<div class=\"navbar-header\">" 
-             "<a class=\"navbar-brand\" href=\"?mode=\">LWTrace</a>" 
-           "</div>"; 
-} 
- 
-struct TSelectorsContainer { 
+{
+    return "<div class=\"navbar-header\">"
+             "<a class=\"navbar-brand\" href=\"?mode=\">LWTrace</a>"
+           "</div>";
+}
+
+struct TSelectorsContainer {
     TSelectorsContainer(IOutputStream& str)
-        : Str(str) 
-    { 
-        Str << "<nav id=\"selectors-container\" class=\"navbar navbar-default\">" 
-               "<div class=\"container-fluid\">" 
-            << NavbarHeader() << 
-               "<div class=\"navbar-text\" style=\"margin-top:12px;margin-bottom:10px\">"; 
-    } 
- 
-    ~TSelectorsContainer() { 
-        try { 
-            Str << 
-                "</div>" 
-                "<div class=\"container-fluid\">" 
-                    "<div class=\"pull-right\">" 
-                        "<button id=\"download-btn\"" 
-                        " type=\"button\" style=\"display: inline-block;margin:7px\"" 
-                        " title=\"Chromium trace (load it in chrome://tracing/)\"" 
-                        " class=\"btn btn-default hidden\">" 
-                            "<span class=\"glyphicon glyphicon-download-alt\"></span>" 
-                        "</button>" 
-                    "</div>" 
-                "</div>" 
-            "</div></nav>"; 
-        } catch(...) {} 
-    } 
- 
+        : Str(str)
+    {
+        Str << "<nav id=\"selectors-container\" class=\"navbar navbar-default\">"
+               "<div class=\"container-fluid\">"
+            << NavbarHeader() <<
+               "<div class=\"navbar-text\" style=\"margin-top:12px;margin-bottom:10px\">";
+    }
+
+    ~TSelectorsContainer() {
+        try {
+            Str <<
+                "</div>"
+                "<div class=\"container-fluid\">"
+                    "<div class=\"pull-right\">"
+                        "<button id=\"download-btn\""
+                        " type=\"button\" style=\"display: inline-block;margin:7px\""
+                        " title=\"Chromium trace (load it in chrome://tracing/)\""
+                        " class=\"btn btn-default hidden\">"
+                            "<span class=\"glyphicon glyphicon-download-alt\"></span>"
+                        "</button>"
+                    "</div>"
+                "</div>"
+            "</div></nav>";
+        } catch(...) {}
+    }
+
     IOutputStream& Str;
-}; 
- 
-struct TNullContainer { 
+};
+
+struct TNullContainer {
     TNullContainer(IOutputStream&) {}
-}; 
- 
-class TPageGenBase: public std::exception {}; 
-template <class TContainer = TNullContainer> 
-class TPageGen: public TPageGenBase { 
-private: 
+};
+
+class TPageGenBase: public std::exception {};
+template <class TContainer = TNullContainer>
+class TPageGen: public TPageGenBase {
+private:
     TString Content;
     TString HttpResponse;
-public: 
-    void BuildResponse() 
-    { 
-        TStringStream ss; 
-        WWW_HTML(ss) { 
-            TContainer container(ss); 
-            ss << Content; 
-        } 
-        HttpResponse = ss.Str(); 
-    } 
- 
+public:
+    void BuildResponse()
+    {
+        TStringStream ss;
+        WWW_HTML(ss) {
+            TContainer container(ss);
+            ss << Content;
+        }
+        HttpResponse = ss.Str();
+    }
+
     explicit TPageGen(const TString& content = TString())
-        : Content(content) 
-    { 
-        BuildResponse(); 
-    } 
- 
+        : Content(content)
+    {
+        BuildResponse();
+    }
+
     void Append(const TString& moreContent)
-    { 
-        Content.append(moreContent); 
-        BuildResponse(); 
-    } 
- 
+    {
+        Content.append(moreContent);
+        BuildResponse();
+    }
+
     void Prepend(const TString& moreContent)
-    { 
-        Content.prepend(moreContent); 
-        BuildResponse(); 
-    } 
- 
+    {
+        Content.prepend(moreContent);
+        BuildResponse();
+    }
+
     virtual const char* what() const noexcept { return HttpResponse.data(); }
     operator bool() const { return !Content.empty(); }
-}; 
- 
-enum EStyleFlags { 
-    // bit 1 
-    Link = 0x0, 
-    Button = 0x1, 
- 
-    // bit 2 
-    NonErasable = 0x0, 
-    Erasable = 0x2, 
- 
-    // bit 3-4 
-    Medium = 0x0, 
-    Large = 0x4, 
-    Small = 0x8, 
-    ExtraSmall = 0xC, 
-    SizeMask = 0xC, 
- 
-    // bit 5 
-    NoCaret = 0x0, 
-    Caret = 0x10, 
- 
-    // bit 6 
-    SimpleValue = 0x0, 
-    CompositeValue = 0x20 
-}; 
- 
-template <ui64 flags> 
+};
+
+enum EStyleFlags {
+    // bit 1
+    Link = 0x0,
+    Button = 0x1,
+
+    // bit 2
+    NonErasable = 0x0,
+    Erasable = 0x2,
+
+    // bit 3-4
+    Medium = 0x0,
+    Large = 0x4,
+    Small = 0x8,
+    ExtraSmall = 0xC,
+    SizeMask = 0xC,
+
+    // bit 5
+    NoCaret = 0x0,
+    Caret = 0x10,
+
+    // bit 6
+    SimpleValue = 0x0,
+    CompositeValue = 0x20
+};
+
+template <ui64 flags>
 TString BtnClass() {
-    if ((flags & SizeMask) == Large) { 
-        return "btn btn-lg"; 
-    } else if ((flags & SizeMask) == Small) { 
-        return "btn btn-sm"; 
-    } else if ((flags & SizeMask) == ExtraSmall) { 
-        return "btn btn-xs"; 
-    } 
-    return "btn"; 
-} 
- 
+    if ((flags & SizeMask) == Large) {
+        return "btn btn-lg";
+    } else if ((flags & SizeMask) == Small) {
+        return "btn btn-sm";
+    } else if ((flags & SizeMask) == ExtraSmall) {
+        return "btn btn-xs";
+    }
+    return "btn";
+}
+
 void SelectorTitle(IOutputStream& os, const TString& text)
-{ 
-    if (!text.empty()) { 
-        os << text; 
-    } 
-} 
- 
-template <ui64 flags> 
+{
+    if (!text.empty()) {
+        os << text;
+    }
+}
+
+template <ui64 flags>
 void BtnHref(IOutputStream& os, const TString& text, const TString& href, bool push = false)
-{ 
-    if (flags & Button) { 
-        os << "<button type=\"button\" style=\"display: inline-block;margin:3px\" class=\"" 
-           << BtnClass<flags>() << " " 
-           << (push? "btn-primary": "btn-default") 
-           << "\" onClick=\"window.location.href='" << href << "';\">" 
-           << text 
-           << "</button>"; 
-    } else { 
-        os << "<a href=\"" << href << "\">" 
-           << text 
-           << "</a>"; 
-    } 
-} 
- 
+{
+    if (flags & Button) {
+        os << "<button type=\"button\" style=\"display: inline-block;margin:3px\" class=\""
+           << BtnClass<flags>() << " "
+           << (push? "btn-primary": "btn-default")
+           << "\" onClick=\"window.location.href='" << href << "';\">"
+           << text
+           << "</button>";
+    } else {
+        os << "<a href=\"" << href << "\">"
+           << text
+           << "</a>";
+    }
+}
+
 void DropdownBeginSublist(IOutputStream& os, const TString& text)
-{ 
-    os << "<li>" << text << "<ul class=\"dropdown-menu\">"; 
-} 
- 
+{
+    os << "<li>" << text << "<ul class=\"dropdown-menu\">";
+}
+
 void DropdownEndSublist(IOutputStream& os)
-{ 
-    os << "</ul></li>"; 
-} 
- 
+{
+    os << "</ul></li>";
+}
+
 void DropdownItem(IOutputStream& os, const TString& text, const TString& href, bool separated = false)
-{ 
-    if (separated) { 
-        os << "<li role=\"separator\" class=\"divider\"></li>"; 
-    } 
-    os << "<li><a href=\"" << href << "\">" << text << "</a></li>"; 
-} 
- 
+{
+    if (separated) {
+        os << "<li role=\"separator\" class=\"divider\"></li>";
+    }
+    os << "<li><a href=\"" << href << "\">" << text << "</a></li>";
+}
+
 TString SuggestSelection()
-{ 
-    return "--- "; 
-} 
- 
+{
+    return "--- ";
+}
+
 TString RemoveSelection()
-{ 
-    return "Remove"; 
-} 
- 
+{
+    return "Remove";
+}
+
 TString GetDescription(const TString& value, const TVariants& variants)
-{ 
-    for (const auto& var : variants) { 
-        if (value == var.first) { 
-            return var.second; 
-        } 
-    } 
-    if (!value) { 
-        return SuggestSelection(); 
-    } 
-    return value; 
-} 
- 
-template <ui64 flags, bool sub = false> 
+{
+    for (const auto& var : variants) {
+        if (value == var.first) {
+            return var.second;
+        }
+    }
+    if (!value) {
+        return SuggestSelection();
+    }
+    return value;
+}
+
+template <ui64 flags, bool sub = false>
 void DropdownSelector(IOutputStream& os, const TCgiParameters& e, const TString& param, const TString& value,
                       const TString& text, const TVariants& variants, const TString& realValue = TString())
-{ 
-    HTML(os) { 
-        SelectorTitle(os, text); 
-        os << "<div class=\"dropdown\" style=\"display:inline-block;margin:3px\">"; 
-            if (flags & Button) { 
-                os << "<button class=\"" << BtnClass<flags>() << " btn-primary dropdown-toggle\" type=\"button\" data-toggle=\"dropdown\">"; 
-            } else { 
-                os << "<a href=\"#\" data-toggle=\"dropdown\">"; 
-            } 
-            os << GetDescription(flags & CompositeValue? realValue: value, variants); 
-            if (flags & Caret) { 
-                os << "<span class=\"caret\"></span>"; 
-            } 
-            if (flags & Button) { 
-                os <<"</button>"; 
-            } else { 
-                os <<"</a>"; 
-            } 
-            UL_CLASS ("dropdown-menu") { 
-                for (const auto& var : variants) { 
-                    DropdownItem(os, var.second, UrlReplace<sub>(e, param, value, var.first)); 
-                } 
-                if (flags & Erasable) { 
-                    DropdownItem(os, RemoveSelection(), UrlErase<sub>(e, param, value), true); 
-                } 
-            } 
-        os << "</div>"; 
-    } 
-} 
- 
+{
+    HTML(os) {
+        SelectorTitle(os, text);
+        os << "<div class=\"dropdown\" style=\"display:inline-block;margin:3px\">";
+            if (flags & Button) {
+                os << "<button class=\"" << BtnClass<flags>() << " btn-primary dropdown-toggle\" type=\"button\" data-toggle=\"dropdown\">";
+            } else {
+                os << "<a href=\"#\" data-toggle=\"dropdown\">";
+            }
+            os << GetDescription(flags & CompositeValue? realValue: value, variants);
+            if (flags & Caret) {
+                os << "<span class=\"caret\"></span>";
+            }
+            if (flags & Button) {
+                os <<"</button>";
+            } else {
+                os <<"</a>";
+            }
+            UL_CLASS ("dropdown-menu") {
+                for (const auto& var : variants) {
+                    DropdownItem(os, var.second, UrlReplace<sub>(e, param, value, var.first));
+                }
+                if (flags & Erasable) {
+                    DropdownItem(os, RemoveSelection(), UrlErase<sub>(e, param, value), true);
+                }
+            }
+        os << "</div>";
+    }
+}
+
 void RequireSelection(TStringStream& ss, const TCgiParameters& e, const TString& param,
                    const TString& text, const TVariants& variants)
-{ 
+{
     const TString& value = e.Get(param);
-    DropdownSelector<Link>(ss, e, param, value, text, variants); 
-    if (!value) { 
-        throw TPageGen<TSelectorsContainer>(ss.Str()); 
-    } 
-} 
- 
+    DropdownSelector<Link>(ss, e, param, value, text, variants);
+    if (!value) {
+        throw TPageGen<TSelectorsContainer>(ss.Str());
+    }
+}
+
 void RequireMultipleSelection(TStringStream& ss, const TCgiParameters& e, const TString& param,
                               const TString& text, const TVariants& variants)
-{ 
-    SelectorTitle(ss, text); 
+{
+    SelectorTitle(ss, text);
     TSet<TString> selectedValues;
     for (const TString& subvalue : Subvalues(e, param)) {
-        selectedValues.insert(subvalue); 
-    } 
+        selectedValues.insert(subvalue);
+    }
     for (const TString& subvalue : Subvalues(e, param)) {
-        DropdownSelector<Erasable, true>(ss, e, param, subvalue, "", variants); 
-    } 
+        DropdownSelector<Erasable, true>(ss, e, param, subvalue, "", variants);
+    }
     if (selectedValues.contains("")) {
-        throw TPageGen<TSelectorsContainer>(ss.Str()); 
-    } else { 
-        BtnHref<Button|ExtraSmall>(ss, "+", MakeUrlAddSub(e, param, "")); 
-        if (selectedValues.empty()) { 
-            throw TPageGen<TSelectorsContainer>(ss.Str()); 
-        } 
-    } 
-} 
- 
+        throw TPageGen<TSelectorsContainer>(ss.Str());
+    } else {
+        BtnHref<Button|ExtraSmall>(ss, "+", MakeUrlAddSub(e, param, ""));
+        if (selectedValues.empty()) {
+            throw TPageGen<TSelectorsContainer>(ss.Str());
+        }
+    }
+}
+
 void OptionalSelection(TStringStream& ss, const TCgiParameters& e, const TString& param,
                        const TString& text, const TVariants& variants)
 {
@@ -1424,251 +1424,251 @@ void OptionalSelection(TStringStream& ss, const TCgiParameters& e, const TString
 
 void OptionalMultipleSelection(TStringStream& ss, const TCgiParameters& e, const TString& param,
                               const TString& text, const TVariants& variants)
-{ 
+{
     TSet<TString> selectedValues;
     for (const TString& subvalue : Subvalues(e, param)) {
-        selectedValues.insert(subvalue); 
-    } 
-    if (!selectedValues.empty()) { 
-        SelectorTitle(ss, text); 
-    } 
+        selectedValues.insert(subvalue);
+    }
+    if (!selectedValues.empty()) {
+        SelectorTitle(ss, text);
+    }
     for (const TString& subvalue : Subvalues(e, param)) {
-        DropdownSelector<Erasable, true>(ss, e, param, subvalue, "", variants); 
-    } 
+        DropdownSelector<Erasable, true>(ss, e, param, subvalue, "", variants);
+    }
     if (selectedValues.contains("")) {
-        throw TPageGen<TSelectorsContainer>(ss.Str()); 
-    } else { 
-        BtnHref<Button|ExtraSmall>(ss, selectedValues.empty()? text: "+", MakeUrlAddSub(e, param, "")); 
-    } 
-} 
- 
-TVariants ListColumns(const NAnalytics::TTable& table) 
-{ 
+        throw TPageGen<TSelectorsContainer>(ss.Str());
+    } else {
+        BtnHref<Button|ExtraSmall>(ss, selectedValues.empty()? text: "+", MakeUrlAddSub(e, param, ""));
+    }
+}
+
+TVariants ListColumns(const NAnalytics::TTable& table)
+{
     TSet<TString> cols;
-//    bool addSpecialCols = false; 
-//    if (addSpecialCols) { 
-//        cols.insert("_count"); 
-//    } 
-    for (auto& row : table) { 
-        for (auto& kv : row) { 
-            cols.insert(kv.first); 
-        } 
-    } 
-    TVariants result; 
-    for (const auto& s : cols) { 
-        result.emplace_back(s, s); 
-    } 
-    return result; 
-} 
- 
+//    bool addSpecialCols = false;
+//    if (addSpecialCols) {
+//        cols.insert("_count");
+//    }
+    for (auto& row : table) {
+        for (auto& kv : row) {
+            cols.insert(kv.first);
+        }
+    }
+    TVariants result;
+    for (const auto& s : cols) {
+        result.emplace_back(s, s);
+    }
+    return result;
+}
+
 TString TaggedValue(const TString& value, const TString& tag)
-{ 
-    if (!tag) { 
-        return value; 
-    } 
-    return value + "-" + tag; 
-} 
- 
+{
+    if (!tag) {
+        return value;
+    }
+    return value + "-" + tag;
+}
+
 TVariants ValueVars(const TVariants& values, const TString& tag)
-{ 
-    TVariants ret; 
-    for (auto& p : values) { 
-        ret.emplace_back(TaggedValue(p.first, tag), p.second); 
-    } 
-    return ret; 
-} 
- 
+{
+    TVariants ret;
+    for (auto& p : values) {
+        ret.emplace_back(TaggedValue(p.first, tag), p.second);
+    }
+    return ret;
+}
+
 TVariants TagVars(const TString& value, const TVariants& tags)
-{ 
-    TVariants ret; 
-    for (auto& p : tags) { 
-        ret.emplace_back(TaggedValue(value, p.first), p.second); 
-    } 
-    return ret; 
-} 
- 
-TVariants SeriesTags() 
-{ 
-    TVariants ret; // MSVS2013 doesn't understand complex initializer lists 
-    ret.emplace_back("", "as is"); 
-    ret.emplace_back("stack", "cumulative"); 
-    return ret; 
-} 
- 
-void SeriesSelectors(TStringStream& ss, const TCgiParameters& e, 
+{
+    TVariants ret;
+    for (auto& p : tags) {
+        ret.emplace_back(TaggedValue(value, p.first), p.second);
+    }
+    return ret;
+}
+
+TVariants SeriesTags()
+{
+    TVariants ret; // MSVS2013 doesn't understand complex initializer lists
+    ret.emplace_back("", "as is");
+    ret.emplace_back("stack", "cumulative");
+    return ret;
+}
+
+void SeriesSelectors(TStringStream& ss, const TCgiParameters& e,
                      const TString& xparam, const TString& yparam, const NAnalytics::TTable& data)
-{ 
-    TTags xtags; 
+{
+    TTags xtags;
     TString xn = ParseTagsOut(e.Get(xparam), xtags);
-    DropdownSelector<Erasable, true>(ss, e, xparam, e.Get(xparam), "with Ox:", 
-                                 ValueVars(ListColumns(data), JoinTags(xtags))); 
-    if (xn) { 
-        DropdownSelector<Link, true>(ss, e, xparam, e.Get(xparam), "", 
-                                     TagVars(xn, SeriesTags())); 
-    } 
- 
+    DropdownSelector<Erasable, true>(ss, e, xparam, e.Get(xparam), "with Ox:",
+                                 ValueVars(ListColumns(data), JoinTags(xtags)));
+    if (xn) {
+        DropdownSelector<Link, true>(ss, e, xparam, e.Get(xparam), "",
+                                     TagVars(xn, SeriesTags()));
+    }
+
     TString yns = e.Get(yparam);
-    SelectorTitle(ss, "and Oy:"); 
-    bool first = true; 
-    bool hasEmpty = false; 
-    for (auto& subvalue : Subvalues(e, yparam)) { 
-        TTags ytags; 
+    SelectorTitle(ss, "and Oy:");
+    bool first = true;
+    bool hasEmpty = false;
+    for (auto& subvalue : Subvalues(e, yparam)) {
+        TTags ytags;
         TString yn = ParseTagsOut(subvalue, ytags);
-        DropdownSelector<Erasable, true>(ss, e, yparam, subvalue, first? "": ", ", 
-                                         ValueVars(ListColumns(data), JoinTags(ytags))); 
-        if (yn) { 
-            DropdownSelector<Link, true>(ss, e, yparam, subvalue, "", 
-                                         TagVars(yn, SeriesTags())); 
-        } 
-        first = false; 
-        if (yn.empty()) { 
-            hasEmpty = true; 
-        } 
-    } 
- 
-    if (hasEmpty) { 
-        throw TPageGen<TSelectorsContainer>(ss.Str()); 
-    } else { 
-        BtnHref<Button|ExtraSmall>(ss, "+", MakeUrlAddSub(e, yparam, "")); 
-    } 
- 
-    if (!xn || !yns) { 
-        throw TPageGen<TSelectorsContainer>(ss.Str()); 
-    } 
-} 
- 
+        DropdownSelector<Erasable, true>(ss, e, yparam, subvalue, first? "": ", ",
+                                         ValueVars(ListColumns(data), JoinTags(ytags)));
+        if (yn) {
+            DropdownSelector<Link, true>(ss, e, yparam, subvalue, "",
+                                         TagVars(yn, SeriesTags()));
+        }
+        first = false;
+        if (yn.empty()) {
+            hasEmpty = true;
+        }
+    }
+
+    if (hasEmpty) {
+        throw TPageGen<TSelectorsContainer>(ss.Str());
+    } else {
+        BtnHref<Button|ExtraSmall>(ss, "+", MakeUrlAddSub(e, yparam, ""));
+    }
+
+    if (!xn || !yns) {
+        throw TPageGen<TSelectorsContainer>(ss.Str());
+    }
+}
+
 class TProbesHtmlPrinter {
 private:
     TVector<TVector<TString>> TableData;
-    static constexpr int TimeoutSec = 15 * 60; // default timeout 
+    static constexpr int TimeoutSec = 15 * 60; // default timeout
 public:
     void Push(const NLWTrace::TProbe* probe)
     {
         TableData.emplace_back();
-        auto& row = TableData.back(); 
- 
+        auto& row = TableData.back();
+
         row.emplace_back();
         TString& groups = row.back();
         bool first = true;
         for (const char* const* i = probe->Event.Groups; *i != nullptr; ++i, first = false) {
             groups.append(TString(first? "": ", ") + GroupHtml(*i));
         }
- 
-        row.push_back(ProbeHtml(probe->Event.GetProvider(), probe->Event.Name)); 
- 
+
+        row.push_back(ProbeHtml(probe->Event.GetProvider(), probe->Event.Name));
+
         row.emplace_back();
         TString& params = row.back();
         first = true;
         for (size_t i = 0; i < probe->Event.Signature.ParamCount; i++, first = false) {
             params.append(TString(first? "": ", ") + probe->Event.Signature.ParamTypes[i]
-                          + " " + probe->Event.Signature.ParamNames[i]); 
+                          + " " + probe->Event.Signature.ParamNames[i]);
         }
- 
-        row.emplace_back(ToString(probe->GetExecutorsCount())); 
+
+        row.emplace_back(ToString(probe->GetExecutorsCount()));
     }
- 
+
     void Output(IOutputStream& os)
-    { 
-        HTML(os) { 
-            TABLE() { 
-                TABLEHEAD() { 
-                    TABLEH() { os << "Groups"; } 
-                    TABLEH() { os << "Name"; } 
-                    TABLEH() { os << "Params"; } 
-                    TABLEH() { os << "ExecCount"; } 
-                } 
-                TABLEBODY() { 
-                    for (auto& row : TableData) { 
-                        TABLER() { 
+    {
+        HTML(os) {
+            TABLE() {
+                TABLEHEAD() {
+                    TABLEH() { os << "Groups"; }
+                    TABLEH() { os << "Name"; }
+                    TABLEH() { os << "Params"; }
+                    TABLEH() { os << "ExecCount"; }
+                }
+                TABLEBODY() {
+                    for (auto& row : TableData) {
+                        TABLER() {
                             for (TString& cell : row) {
-                                TABLED() { os << cell; } 
-                            } 
-                        } 
-                    } 
-                } 
-            } 
-        } 
-    } 
-private: 
+                                TABLED() { os << cell; }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+private:
     TString GroupHtml(const TString& group)
-    { 
-        TStringStream ss; 
-        ss << "<div class=\"dropdown\" style=\"display:inline-block\">" 
-                 "<a href=\"#\" data-toggle=\"dropdown\">" << group << "</a>" 
-                 "<ul class=\"dropdown-menu\">" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(group).Id() << "'});\">" 
-                     "Trace 1000 items</a></li>" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(group, 10000).Id() << "'});\">" 
-                     "Trace 10000 items</a></li>" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(group, 0, 1000000).Id() << "'});\">" 
-                     "Trace 1 second</a></li>" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(group, 0, 10000000).Id() << "'});\">" 
-                     "Trace 10 seconds</a></li>" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(group, 0, 0, true).Id() << "'});\">" 
-                     "Trace 1000 tracks</a></li>" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(group, 10000, 0, true).Id() << "'});\">" 
-                     "Trace 10000 tracks</a></li>" 
-                 "</ul>" 
-           "</div>"; 
-        return ss.Str(); 
-    } 
- 
+    {
+        TStringStream ss;
+        ss << "<div class=\"dropdown\" style=\"display:inline-block\">"
+                 "<a href=\"#\" data-toggle=\"dropdown\">" << group << "</a>"
+                 "<ul class=\"dropdown-menu\">"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(group).Id() << "'});\">"
+                     "Trace 1000 items</a></li>"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(group, 10000).Id() << "'});\">"
+                     "Trace 10000 items</a></li>"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(group, 0, 1000000).Id() << "'});\">"
+                     "Trace 1 second</a></li>"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(group, 0, 10000000).Id() << "'});\">"
+                     "Trace 10 seconds</a></li>"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(group, 0, 0, true).Id() << "'});\">"
+                     "Trace 1000 tracks</a></li>"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(group, 10000, 0, true).Id() << "'});\">"
+                     "Trace 10000 tracks</a></li>"
+                 "</ul>"
+           "</div>";
+        return ss.Str();
+    }
+
     TString ProbeHtml(const TString& provider, const TString& probe)
-    { 
-        TStringStream ss; 
-        ss << "<div class=\"dropdown\">" 
-                 "<a href=\"#\" data-toggle=\"dropdown\">" << probe << "</a>" 
-                 "<ul class=\"dropdown-menu\">" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(provider, probe).Id() << "'});\">" 
-                     "Trace 1000 items</a></li>" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(provider, probe, 10000).Id() << "'});\">" 
-                     "Trace 10000 items</a></li>" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(provider, probe, 0, 1000000).Id() << "'});\">" 
-                     "Trace 1 second</a></li>" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(provider, probe, 0, 10000000).Id() << "'});\">" 
-                     "Trace 10 seconds</a></li>" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(provider, probe, 0, 0, true).Id() << "'});\">" 
-                     "Trace 1000 tracks</a></li>" 
-                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "'," 
-                     "{id:'" << TAdHocTraceConfig(provider, probe, 10000, 0, true).Id() << "'});\">" 
-                     "Trace 10000 tracks</a></li>" 
-                 "</ul>" 
-           "</div>"; 
-        return ss.Str(); 
-    } 
+    {
+        TStringStream ss;
+        ss << "<div class=\"dropdown\">"
+                 "<a href=\"#\" data-toggle=\"dropdown\">" << probe << "</a>"
+                 "<ul class=\"dropdown-menu\">"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(provider, probe).Id() << "'});\">"
+                     "Trace 1000 items</a></li>"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(provider, probe, 10000).Id() << "'});\">"
+                     "Trace 10000 items</a></li>"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(provider, probe, 0, 1000000).Id() << "'});\">"
+                     "Trace 1 second</a></li>"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(provider, probe, 0, 10000000).Id() << "'});\">"
+                     "Trace 10 seconds</a></li>"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(provider, probe, 0, 0, true).Id() << "'});\">"
+                     "Trace 1000 tracks</a></li>"
+                   "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=new&ui=y&timeout=" << TimeoutSec << "',"
+                     "{id:'" << TAdHocTraceConfig(provider, probe, 10000, 0, true).Id() << "'});\">"
+                     "Trace 10000 tracks</a></li>"
+                 "</ul>"
+           "</div>";
+        return ss.Str();
+    }
 };
 
-void TDashboardRegistry::Register(const NLWTrace::TDashboard& dashboard) { 
+void TDashboardRegistry::Register(const NLWTrace::TDashboard& dashboard) {
     TGuard<TMutex> g(Mutex);
     Dashboards[dashboard.GetName()] = dashboard;
 }
 
-void TDashboardRegistry::Register(const TVector<NLWTrace::TDashboard>& dashboards) { 
-    for (const auto& dashboard : dashboards) { 
-        Register(dashboard); 
-    } 
-} 
- 
+void TDashboardRegistry::Register(const TVector<NLWTrace::TDashboard>& dashboards) {
+    for (const auto& dashboard : dashboards) {
+        Register(dashboard);
+    }
+}
+
 void TDashboardRegistry::Register(const TString& dashText) {
-    NLWTrace::TDashboard dash; 
+    NLWTrace::TDashboard dash;
     if (!google::protobuf::TextFormat::ParseFromString(dashText, &dash)) {
         ythrow yexception() << "Couldn't parse into dashboard";
     }
     Register(dash);
 }
 
-bool TDashboardRegistry::Get(const TString& name, NLWTrace::TDashboard& dash) { 
+bool TDashboardRegistry::Get(const TString& name, NLWTrace::TDashboard& dash) {
     TGuard<TMutex> g(Mutex);
     if (!Dashboards.contains(name)) {
         return false;
@@ -1698,488 +1698,488 @@ void TDashboardRegistry::Output(TStringStream& ss) {
     }
 }
 
-class ILogSource { 
-public: 
-    virtual ~ILogSource() {} 
+class ILogSource {
+public:
+    virtual ~ILogSource() {}
     virtual TString GetId() = 0;
-    virtual TInstant GetStartTime() = 0; 
-    virtual TDuration GetTimeout(TInstant now) = 0; 
-    virtual ui64 GetEventsCount() = 0; 
-    virtual ui64 GetThreadsCount() = 0; 
-}; 
- 
-class TTraceLogSource : public ILogSource { 
-private: 
+    virtual TInstant GetStartTime() = 0;
+    virtual TDuration GetTimeout(TInstant now) = 0;
+    virtual ui64 GetEventsCount() = 0;
+    virtual ui64 GetThreadsCount() = 0;
+};
+
+class TTraceLogSource : public ILogSource {
+private:
     TString Id;
-    const TTraceCleaner& Cleaner; 
-    const NLWTrace::TSession* Trace; 
-public: 
-    TTraceLogSource(const TString& id, const NLWTrace::TSession* trace, const TTraceCleaner& cleaner) 
-        : Id(id) 
-        , Cleaner(cleaner) 
-        , Trace(trace) 
-    {} 
- 
+    const TTraceCleaner& Cleaner;
+    const NLWTrace::TSession* Trace;
+public:
+    TTraceLogSource(const TString& id, const NLWTrace::TSession* trace, const TTraceCleaner& cleaner)
+        : Id(id)
+        , Cleaner(cleaner)
+        , Trace(trace)
+    {}
+
     TString GetId() override
-    { 
-        return Id; 
-    } 
- 
-    TInstant GetStartTime() override 
-    { 
-        return Trace->GetStartTime(); 
-    } 
- 
-    TDuration GetTimeout(TInstant now) override 
-    { 
-        TInstant deadline = Cleaner.GetDeadline(Id); 
-        if (deadline < now) { 
-            return TDuration::Zero(); 
-        } else if (deadline == TInstant::Max()) { 
-            return TDuration::Max(); 
-        } else { 
-            return deadline - now; 
-        } 
-    } 
- 
-    ui64 GetEventsCount() override 
-    { 
-        return Trace->GetEventsCount(); 
-    } 
- 
-    ui64 GetThreadsCount() override 
-    { 
-        return Trace->GetThreadsCount(); 
-    } 
-}; 
- 
-class TSnapshotLogSource : public ILogSource { 
-private: 
+    {
+        return Id;
+    }
+
+    TInstant GetStartTime() override
+    {
+        return Trace->GetStartTime();
+    }
+
+    TDuration GetTimeout(TInstant now) override
+    {
+        TInstant deadline = Cleaner.GetDeadline(Id);
+        if (deadline < now) {
+            return TDuration::Zero();
+        } else if (deadline == TInstant::Max()) {
+            return TDuration::Max();
+        } else {
+            return deadline - now;
+        }
+    }
+
+    ui64 GetEventsCount() override
+    {
+        return Trace->GetEventsCount();
+    }
+
+    ui64 GetThreadsCount() override
+    {
+        return Trace->GetThreadsCount();
+    }
+};
+
+class TSnapshotLogSource : public ILogSource {
+private:
     TString Sid;
-    // Log should be used for read-only purpose, because it can be accessed from multiple threads 
-    // Atomic pointer is used to avoid thread-safety issues with snapshot deletion 
-    // (I hope protobuf const-implementation doesn't use any mutable non-thread-safe stuff inside) 
-    TAtomicSharedPtr<NLWTrace::TLogPb> Log; 
-public: 
-    // Constructor should be called under SnapshotsMtx lock 
+    // Log should be used for read-only purpose, because it can be accessed from multiple threads
+    // Atomic pointer is used to avoid thread-safety issues with snapshot deletion
+    // (I hope protobuf const-implementation doesn't use any mutable non-thread-safe stuff inside)
+    TAtomicSharedPtr<NLWTrace::TLogPb> Log;
+public:
+    // Constructor should be called under SnapshotsMtx lock
     TSnapshotLogSource(const TString& sid, const TAtomicSharedPtr<NLWTrace::TLogPb>& log)
-        : Sid(sid) 
-        , Log(log) 
-    {} 
- 
+        : Sid(sid)
+        , Log(log)
+    {}
+
     TString GetId() override
-    { 
-        return Sid + "~"; 
-    } 
- 
-    TInstant GetStartTime() override 
-    { 
-        return TInstant::MicroSeconds(Log->GetCrtTime()); 
-    } 
- 
-    TDuration GetTimeout(TInstant now) override 
-    { 
-        Y_UNUSED(now); 
-        return TDuration::Max(); 
-    } 
- 
-    ui64 GetEventsCount() override 
-    { 
-        return Log->GetEventsCount(); 
-    } 
- 
-    ui64 GetThreadsCount() override 
-    { 
-        return Log->ThreadLogsSize(); 
-    } 
-}; 
- 
-class TLogSources { 
-private: 
-    TTraceCleaner& Cleaner; 
-    TInstant Now; 
+    {
+        return Sid + "~";
+    }
+
+    TInstant GetStartTime() override
+    {
+        return TInstant::MicroSeconds(Log->GetCrtTime());
+    }
+
+    TDuration GetTimeout(TInstant now) override
+    {
+        Y_UNUSED(now);
+        return TDuration::Max();
+    }
+
+    ui64 GetEventsCount() override
+    {
+        return Log->GetEventsCount();
+    }
+
+    ui64 GetThreadsCount() override
+    {
+        return Log->ThreadLogsSize();
+    }
+};
+
+class TLogSources {
+private:
+    TTraceCleaner& Cleaner;
+    TInstant Now;
     using TLogSourcePtr = std::unique_ptr<ILogSource>;
     TMap<TString, TLogSourcePtr> LogSources;
-public: 
-    explicit TLogSources(TTraceCleaner& cleaner, TInstant now = TInstant::Now()) 
-        : Cleaner(cleaner) 
-        , Now(now) 
-    {} 
- 
+public:
+    explicit TLogSources(TTraceCleaner& cleaner, TInstant now = TInstant::Now())
+        : Cleaner(cleaner)
+        , Now(now)
+    {}
+
     void Push(const TString& sid, const TAtomicSharedPtr<NLWTrace::TLogPb>& log)
-    { 
-        TLogSourcePtr ls(new TSnapshotLogSource(sid, log)); 
+    {
+        TLogSourcePtr ls(new TSnapshotLogSource(sid, log));
         LogSources.emplace(ls->GetId(), std::move(ls));
-    } 
- 
-    void Push(const TString& id, const NLWTrace::TSession* trace) 
-    { 
-        TLogSourcePtr ls(new TTraceLogSource(id, trace, Cleaner)); 
+    }
+
+    void Push(const TString& id, const NLWTrace::TSession* trace)
+    {
+        TLogSourcePtr ls(new TTraceLogSource(id, trace, Cleaner));
         LogSources.emplace(ls->GetId(), std::move(ls));
-    } 
- 
-    template <class TFunc> 
-    void ForEach(TFunc& func) 
-    { 
-        for (auto& kv : LogSources) { 
+    }
+
+    template <class TFunc>
+    void ForEach(TFunc& func)
+    {
+        for (auto& kv : LogSources) {
             func.Push(kv.second.get());
-        } 
-    } 
- 
-    template <class TFunc> 
-    void ForEach(TFunc& func) const 
-    { 
-        for (const auto& kv : LogSources) { 
+        }
+    }
+
+    template <class TFunc>
+    void ForEach(TFunc& func) const
+    {
+        for (const auto& kv : LogSources) {
             func.Push(kv.second.get());
-        } 
-    } 
-}; 
- 
+        }
+    }
+};
+
 class TTracesHtmlPrinter {
 private:
     IOutputStream& Os;
-    TInstant Now; 
+    TInstant Now;
 public:
     explicit TTracesHtmlPrinter(IOutputStream& os)
         : Os(os)
-        , Now(TInstant::Now()) 
+        , Now(TInstant::Now())
     {}
 
-    void Push(ILogSource* src) 
+    void Push(ILogSource* src)
     {
         TString id = src->GetId();
         Os << "<tr>";
         Os << "<td>";
         try {
-            Os << src->GetStartTime().ToStringUpToSeconds(); 
+            Os << src->GetStartTime().ToStringUpToSeconds();
         } catch (...) {
             Os << "error: " << CurrentExceptionMessage();
         }
         Os << "</td>"
-           << "<td><div class=\"dropdown\">" 
-                "<a href=\"#\" data-toggle=\"dropdown\">" << TimeoutToString(src->GetTimeout(Now)) << "</a>" 
-                "<ul class=\"dropdown-menu\">" 
-                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y&timeout=60', {id:'" << id << "'});\">1 min</a></li>" 
-                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y&timeout=600', {id:'" << id << "'});\">10 min</a></li>" 
-                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y&timeout=3600', {id:'" << id << "'});\">1 hour</a></li>" 
-                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y&timeout=86400', {id:'" << id << "'});\">1 day</a></li>" 
-                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y&timeout=604800', {id:'" << id << "'});\">1 week</a></li>" 
-                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y', {id:'" << id << "'});\">no timeout</a></li>" 
-                "</ul>" 
-              "</div></td>" 
+           << "<td><div class=\"dropdown\">"
+                "<a href=\"#\" data-toggle=\"dropdown\">" << TimeoutToString(src->GetTimeout(Now)) << "</a>"
+                "<ul class=\"dropdown-menu\">"
+                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y&timeout=60', {id:'" << id << "'});\">1 min</a></li>"
+                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y&timeout=600', {id:'" << id << "'});\">10 min</a></li>"
+                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y&timeout=3600', {id:'" << id << "'});\">1 hour</a></li>"
+                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y&timeout=86400', {id:'" << id << "'});\">1 day</a></li>"
+                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y&timeout=604800', {id:'" << id << "'});\">1 week</a></li>"
+                  "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=settimeout&ui=y', {id:'" << id << "'});\">no timeout</a></li>"
+                "</ul>"
+              "</div></td>"
            << "<td>" << EncodeHtmlPcdata(id) << "</td>"
-           << "<td>" << src->GetEventsCount() << "</td>" 
-           << "<td>" << src->GetThreadsCount() << "</td>" 
+           << "<td>" << src->GetEventsCount() << "</td>"
+           << "<td>" << src->GetThreadsCount() << "</td>"
            << "<td><a href=\"?mode=log&id=" << id << "\">Text</a></td>"
            << "<td><a href=\"?mode=log&format=json&id=" << id << "\">Json</a></td>"
            << "<td><a href=\"?mode=query&id=" << id << "\">Query</a></td>"
-           << "<td><a href=\"?mode=analytics&id=" << id << "\">Analytics</a></td>" 
-           << "<td><div class=\"dropdown navbar-right\">" // navbar-right is hack to drop left 
-                    "<a href=\"#\" data-toggle=\"dropdown\">Modify</a>" 
-                    "<ul class=\"dropdown-menu\">" 
-                      "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=make_snapshot&ui=y', {id:'" << id << "'});\">Snapshot</a></li>" 
-                      "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=delete&ui=y', {id:'" << id << "'});\">Delete</a></li>" 
-                    "</ul>" 
-              "</div></td>" 
+           << "<td><a href=\"?mode=analytics&id=" << id << "\">Analytics</a></td>"
+           << "<td><div class=\"dropdown navbar-right\">" // navbar-right is hack to drop left
+                    "<a href=\"#\" data-toggle=\"dropdown\">Modify</a>"
+                    "<ul class=\"dropdown-menu\">"
+                      "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=make_snapshot&ui=y', {id:'" << id << "'});\">Snapshot</a></li>"
+                      "<li><a href=\"#\" onClick=\"$.redirectPost('?mode=delete&ui=y', {id:'" << id << "'});\">Delete</a></li>"
+                    "</ul>"
+              "</div></td>"
            << "</tr>\n";
     }
-private: 
+private:
     static TString TimeoutToString(TDuration d)
-    { 
-        TStringStream ss; 
-        if (d == TDuration::Zero()) { 
-            ss << "0"; 
-        } else if (d == TDuration::Max()) { 
-            ss << "-"; 
-        } else { 
-            ui64 us = d.GetValue(); 
-            ui64 ms = us / 1000; 
-            ui64 sec = ms / 1000; 
-            ui64 min = sec / 60; 
-            ui64 hours = min / 60; 
-            ui64 days = hours / 24; 
-            ui64 weeks = days / 7; 
-            us -= ms * 1000; 
-            ms -= sec * 1000; 
-            sec -= min * 60; 
-            min -= hours * 60; 
-            hours -= days * 24; 
-            days -= weeks * 7; 
-            int terms = 0; 
-            if ((terms > 0 && terms < 2) || ( terms == 0 && weeks)) { ss << (ss.Str()? " ": "") << weeks << "w"; terms++; } 
-            if ((terms > 0 && terms < 2) || ( terms == 0 && days))  { ss << (ss.Str()? " ": "") << days  << "d"; terms++; } 
-            if ((terms > 0 && terms < 2) || ( terms == 0 && hours)) { ss << (ss.Str()? " ": "") << hours << "h"; terms++; } 
-            if ((terms > 0 && terms < 2) || ( terms == 0 && min))   { ss << (ss.Str()? " ": "") << min   << "m"; terms++; } 
-            if ((terms > 0 && terms < 2) || ( terms == 0 && sec))   { ss << (ss.Str()? " ": "") << sec   << "s"; terms++; } 
-            if ((terms > 0 && terms < 2) || ( terms == 0 && ms))    { ss << (ss.Str()? " ": "") << ms   << "ms"; terms++; } 
-            if ((terms > 0 && terms < 2) || ( terms == 0 && us))    { ss << (ss.Str()? " ": "") << us   << "us"; terms++; } 
-        } 
-        return ss.Str(); 
-    } 
+    {
+        TStringStream ss;
+        if (d == TDuration::Zero()) {
+            ss << "0";
+        } else if (d == TDuration::Max()) {
+            ss << "-";
+        } else {
+            ui64 us = d.GetValue();
+            ui64 ms = us / 1000;
+            ui64 sec = ms / 1000;
+            ui64 min = sec / 60;
+            ui64 hours = min / 60;
+            ui64 days = hours / 24;
+            ui64 weeks = days / 7;
+            us -= ms * 1000;
+            ms -= sec * 1000;
+            sec -= min * 60;
+            min -= hours * 60;
+            hours -= days * 24;
+            days -= weeks * 7;
+            int terms = 0;
+            if ((terms > 0 && terms < 2) || ( terms == 0 && weeks)) { ss << (ss.Str()? " ": "") << weeks << "w"; terms++; }
+            if ((terms > 0 && terms < 2) || ( terms == 0 && days))  { ss << (ss.Str()? " ": "") << days  << "d"; terms++; }
+            if ((terms > 0 && terms < 2) || ( terms == 0 && hours)) { ss << (ss.Str()? " ": "") << hours << "h"; terms++; }
+            if ((terms > 0 && terms < 2) || ( terms == 0 && min))   { ss << (ss.Str()? " ": "") << min   << "m"; terms++; }
+            if ((terms > 0 && terms < 2) || ( terms == 0 && sec))   { ss << (ss.Str()? " ": "") << sec   << "s"; terms++; }
+            if ((terms > 0 && terms < 2) || ( terms == 0 && ms))    { ss << (ss.Str()? " ": "") << ms   << "ms"; terms++; }
+            if ((terms > 0 && terms < 2) || ( terms == 0 && us))    { ss << (ss.Str()? " ": "") << us   << "us"; terms++; }
+        }
+        return ss.Str();
+    }
 };
 
-class TTracesLister { 
-private: 
-    TVariants& Variants; 
-public: 
-    TTracesLister(TVariants& variants) 
-        : Variants(variants) 
-    {} 
-    void Push(ILogSource* src) 
-    { 
-        Variants.emplace_back(src->GetId(), src->GetId()); 
-    } 
-}; 
- 
-TVariants ListTraces(const TLogSources& srcs) 
-{ 
-    TVariants variants; 
-    TTracesLister lister(variants); 
-    srcs.ForEach(lister); 
-    return variants; 
-} 
- 
-class TTimestampCutter { 
-private: 
+class TTracesLister {
+private:
+    TVariants& Variants;
+public:
+    TTracesLister(TVariants& variants)
+        : Variants(variants)
+    {}
+    void Push(ILogSource* src)
+    {
+        Variants.emplace_back(src->GetId(), src->GetId());
+    }
+};
+
+TVariants ListTraces(const TLogSources& srcs)
+{
+    TVariants variants;
+    TTracesLister lister(variants);
+    srcs.ForEach(lister);
+    return variants;
+}
+
+class TTimestampCutter {
+private:
     THashMap<TThread::TId, std::pair<ui64, TInstant>> CutTsForThread; // tid -> time of first item
-    mutable ui64 CutTsMax = 0; 
-    mutable TInstant CutInstantMax; 
-    bool Enabled; 
-    ui64 NowTs; 
-public: 
-    explicit TTimestampCutter(bool enabled) 
-        : Enabled(enabled) 
-        , NowTs(GetCycleCount()) 
-    {} 
- 
-    void Push(TThread::TId tid, const NLWTrace::TLogItem& item) 
-    { 
-        auto it = CutTsForThread.find(tid); 
-        if (it != CutTsForThread.end()) { 
-            ui64& ts = it->second.first; 
-            TInstant& inst = it->second.second; 
-            ts = Min(ts, item.TimestampCycles); 
-            inst = Min(inst, item.Timestamp); 
-        } else { 
-            CutTsForThread[tid] = std::make_pair(item.TimestampCycles, item.Timestamp); 
-        } 
-    } 
- 
-    // Timestamp from which we are ensured that cyclic log for every thread is not truncated 
-    // NOTE: should NOT be called from Push(tid, item) functions 
-    ui64 StartTimestamp() const 
-    { 
-        if (CutTsMax == 0) { 
-            FindStartTime(); 
-        } 
-        return CutTsMax; 
-    } 
- 
-    ui64 NowTimestamp() const 
-    { 
-        return NowTs; 
-    } 
- 
-    TInstant StartInstant() const 
-    { 
-        if (CutInstantMax == TInstant::Zero()) { 
-            FindStartTime(); 
-        } 
-        return CutInstantMax; 
-    } 
- 
-    // Returns true iff item should be skipped to avoid surprizes 
-    bool Skip(const NLWTrace::TLogItem& item) const 
-    { 
-        return Enabled && item.TimestampCycles < StartTimestamp(); 
-    } 
- 
-private: 
-    void FindStartTime() const 
-    { 
-        for (auto& kv : CutTsForThread) { 
-            CutTsMax = Max(CutTsMax, kv.second.first); 
-            CutInstantMax = Max(CutInstantMax, kv.second.second); 
-        } 
-    } 
-}; 
- 
+    mutable ui64 CutTsMax = 0;
+    mutable TInstant CutInstantMax;
+    bool Enabled;
+    ui64 NowTs;
+public:
+    explicit TTimestampCutter(bool enabled)
+        : Enabled(enabled)
+        , NowTs(GetCycleCount())
+    {}
+
+    void Push(TThread::TId tid, const NLWTrace::TLogItem& item)
+    {
+        auto it = CutTsForThread.find(tid);
+        if (it != CutTsForThread.end()) {
+            ui64& ts = it->second.first;
+            TInstant& inst = it->second.second;
+            ts = Min(ts, item.TimestampCycles);
+            inst = Min(inst, item.Timestamp);
+        } else {
+            CutTsForThread[tid] = std::make_pair(item.TimestampCycles, item.Timestamp);
+        }
+    }
+
+    // Timestamp from which we are ensured that cyclic log for every thread is not truncated
+    // NOTE: should NOT be called from Push(tid, item) functions
+    ui64 StartTimestamp() const
+    {
+        if (CutTsMax == 0) {
+            FindStartTime();
+        }
+        return CutTsMax;
+    }
+
+    ui64 NowTimestamp() const
+    {
+        return NowTs;
+    }
+
+    TInstant StartInstant() const
+    {
+        if (CutInstantMax == TInstant::Zero()) {
+            FindStartTime();
+        }
+        return CutInstantMax;
+    }
+
+    // Returns true iff item should be skipped to avoid surprizes
+    bool Skip(const NLWTrace::TLogItem& item) const
+    {
+        return Enabled && item.TimestampCycles < StartTimestamp();
+    }
+
+private:
+    void FindStartTime() const
+    {
+        for (auto& kv : CutTsForThread) {
+            CutTsMax = Max(CutTsMax, kv.second.first);
+            CutInstantMax = Max(CutInstantMax, kv.second.second);
+        }
+    }
+};
+
 class TLogFilter {
 private:
-    struct TFilter { 
+    struct TFilter {
         TString ParamName;
         TString ParamValue;
-        bool Parsed; 
- 
-        TLogQuery Query; 
-        NLWTrace::TLiteral Value; 
- 
+        bool Parsed;
+
+        TLogQuery Query;
+        NLWTrace::TLiteral Value;
+
         explicit TFilter(const TString& text)
-        { 
-            if (!text) { // Neither ParamName nor ParamValue is selected 
-                ParamName.clear(); 
-                ParamValue.clear(); 
-                Parsed = false; 
-                return; 
-            } 
-            size_t pos = text.find('='); 
+        {
+            if (!text) { // Neither ParamName nor ParamValue is selected
+                ParamName.clear();
+                ParamValue.clear();
+                Parsed = false;
+                return;
+            }
+            size_t pos = text.find('=');
             if (pos == TString::npos) { // Only ParamName has been selected
-                ParamName = text; 
-                ParamValue.clear(); 
-                Parsed = false; 
-                return; 
-            } 
-            // Both ParamName and ParamValue have been selected 
-            ParamValue = text.substr(pos + 1); 
-            ParamName = text.substr(0, pos); 
-            Parsed = true; 
- 
-            Query = TLogQuery(ParamName); 
-            Value = NLWTrace::TLiteral(ParamValue); 
-        } 
-    }; 
+                ParamName = text;
+                ParamValue.clear();
+                Parsed = false;
+                return;
+            }
+            // Both ParamName and ParamValue have been selected
+            ParamValue = text.substr(pos + 1);
+            ParamName = text.substr(0, pos);
+            Parsed = true;
+
+            Query = TLogQuery(ParamName);
+            Value = NLWTrace::TLiteral(ParamValue);
+        }
+    };
     TVector<TFilter> Filters;
     THashSet<const NLWTrace::TSignature*> Signatures; // Just to list param names
-    TVariants ParamNames; 
+    TVariants ParamNames;
     THashMap<TString, THashSet<TString>> FilteredParamValues; // paramName -> { paramValue }
 public:
     explicit TLogFilter(const TVector<TString>& filters)
     {
         for (const TString& subvalue : filters) {
-            TFilter filter(subvalue); 
-            FilteredParamValues[filter.ParamName]; // just create empty set to gather values later 
-            if (filter.Parsed) { 
-                Filters.push_back(filter); 
-            } 
+            TFilter filter(subvalue);
+            FilteredParamValues[filter.ParamName]; // just create empty set to gather values later
+            if (filter.Parsed) {
+                Filters.push_back(filter);
+            }
         }
     }
 
-    virtual ~TLogFilter() {} 
- 
-    template <class TLog> 
-    bool Filter(const TLog& log) 
+    virtual ~TLogFilter() {}
+
+    template <class TLog>
+    bool Filter(const TLog& log)
     {
-        Gather(log); 
-        for (const TFilter& filter : Filters) { 
-            if (filter.Query.ExecuteQuery(log) != filter.Value) { 
-                return false; 
+        Gather(log);
+        for (const TFilter& filter : Filters) {
+            if (filter.Query.ExecuteQuery(log) != filter.Value) {
+                return false;
             }
         }
-        return true; 
+        return true;
     }
- 
+
     void FilterSelectors(TStringStream& ss, const TCgiParameters& e, const TString& fparam)
-    { 
-        bool first = true; 
-        bool allParsed = true; 
+    {
+        bool first = true;
+        bool allParsed = true;
         for (const TString& subvalue : Subvalues(e, fparam)) {
-            TFilter filter(subvalue); 
-            allParsed = allParsed && filter.Parsed; 
-            if (first) { 
-                SelectorTitle(ss, "where"); 
-            } 
-            DropdownSelector<Erasable | CompositeValue, true>( 
-                ss, e, fparam, subvalue, first? "": ", ", ListParamNames(), 
-                filter.ParamName 
-            ); 
-            if (filter.ParamName) { 
-                DropdownSelector<Link | CompositeValue, true>( 
-                    ss, e, fparam, subvalue, "=", ListParamValues(filter.ParamName), 
-                    filter.ParamValue? (filter.ParamName + "=" + filter.ParamValue): "" 
-                ); 
-            } 
-            first = false; 
-        } 
- 
-        if (!allParsed) { 
-            throw TPageGen<TSelectorsContainer>(ss.Str()); 
-        } else { 
-            BtnHref<Button|ExtraSmall>(ss, first? "where": "+", MakeUrlAddSub(e, fparam, "")); 
-        } 
-    } 
- 
-    const TVariants& ListParamNames() 
-    { 
-        if (ParamNames.empty()) { 
+            TFilter filter(subvalue);
+            allParsed = allParsed && filter.Parsed;
+            if (first) {
+                SelectorTitle(ss, "where");
+            }
+            DropdownSelector<Erasable | CompositeValue, true>(
+                ss, e, fparam, subvalue, first? "": ", ", ListParamNames(),
+                filter.ParamName
+            );
+            if (filter.ParamName) {
+                DropdownSelector<Link | CompositeValue, true>(
+                    ss, e, fparam, subvalue, "=", ListParamValues(filter.ParamName),
+                    filter.ParamValue? (filter.ParamName + "=" + filter.ParamValue): ""
+                );
+            }
+            first = false;
+        }
+
+        if (!allParsed) {
+            throw TPageGen<TSelectorsContainer>(ss.Str());
+        } else {
+            BtnHref<Button|ExtraSmall>(ss, first? "where": "+", MakeUrlAddSub(e, fparam, ""));
+        }
+    }
+
+    const TVariants& ListParamNames()
+    {
+        if (ParamNames.empty()) {
             THashSet<TString> paramNames;
-            for (const NLWTrace::TSignature* sgn: Signatures) { 
-                for (size_t pi = 0; pi < sgn->ParamCount; pi++) { 
-                    paramNames.insert(sgn->ParamNames[pi]); 
-                } 
-            } 
-            for (auto& pn : paramNames) { 
-                ParamNames.emplace_back(pn, pn); 
-            } 
-        } 
-        return ParamNames; 
-    } 
- 
+            for (const NLWTrace::TSignature* sgn: Signatures) {
+                for (size_t pi = 0; pi < sgn->ParamCount; pi++) {
+                    paramNames.insert(sgn->ParamNames[pi]);
+                }
+            }
+            for (auto& pn : paramNames) {
+                ParamNames.emplace_back(pn, pn);
+            }
+        }
+        return ParamNames;
+    }
+
     bool IsFiltered(const TString& paramName) const
-    { 
+    {
         return FilteredParamValues.contains(paramName);
-    } 
- 
-private: 
-    // Gather param names and values for selectors 
-    void Gather(const NLWTrace::TLogItem& item) 
-    { 
-        Signatures.insert(&item.Probe->Event.Signature); 
-        if (!FilteredParamValues.empty() && item.SavedParamsCount > 0) { 
+    }
+
+private:
+    // Gather param names and values for selectors
+    void Gather(const NLWTrace::TLogItem& item)
+    {
+        Signatures.insert(&item.Probe->Event.Signature);
+        if (!FilteredParamValues.empty() && item.SavedParamsCount > 0) {
             TString paramValues[LWTRACE_MAX_PARAMS];
-            item.Probe->Event.Signature.SerializeParams(item.Params, paramValues); 
-            for (size_t pi = 0; pi < item.SavedParamsCount; pi++) { 
-                auto iter = FilteredParamValues.find(item.Probe->Event.Signature.ParamNames[pi]); 
-                if (iter != FilteredParamValues.end()) { 
-                    iter->second.insert(paramValues[pi]); 
-                } 
-            } 
-        } 
-    } 
- 
-    void Gather(const NLWTrace::TTrackLog& tl) 
-    { 
-        for (const NLWTrace::TLogItem& item : tl.Items) { 
-            Gather(item); 
-        } 
-    } 
- 
+            item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
+            for (size_t pi = 0; pi < item.SavedParamsCount; pi++) {
+                auto iter = FilteredParamValues.find(item.Probe->Event.Signature.ParamNames[pi]);
+                if (iter != FilteredParamValues.end()) {
+                    iter->second.insert(paramValues[pi]);
+                }
+            }
+        }
+    }
+
+    void Gather(const NLWTrace::TTrackLog& tl)
+    {
+        for (const NLWTrace::TLogItem& item : tl.Items) {
+            Gather(item);
+        }
+    }
+
     TVariants ListParamValues(const TString& paramName) const
-    { 
-        TVariants result; 
-        auto iter = FilteredParamValues.find(paramName); 
-        if (iter != FilteredParamValues.end()) { 
+    {
+        TVariants result;
+        auto iter = FilteredParamValues.find(paramName);
+        if (iter != FilteredParamValues.end()) {
             for (const TString& paramValue : iter->second) {
-                result.emplace_back(paramName + "=" + paramValue, paramValue); 
-            } 
-        } 
-        Sort(result.begin(), result.end()); 
-        return result; 
-    } 
+                result.emplace_back(paramName + "=" + paramValue, paramValue);
+            }
+        }
+        Sort(result.begin(), result.end());
+        return result;
+    }
 };
 
-static void EscapeJSONString(IOutputStream& os, const TString& s) 
-{ 
-    for (TString::const_iterator i = s.begin(), e = s.end(); i != e; ++i) { 
-        char c = *i; 
-        if (c < ' ') { 
-            os << Sprintf("\\u%04x", int(c)); 
-        } else if (c == '"') { 
-            os << "\\\""; 
-        } else if (c == '\\') { 
-            os << "\\\\"; 
-        } else { 
-            os << c; 
-        } 
-    } 
-} 
- 
-static TString EscapeJSONString(const TString& s) 
-{ 
-    TStringStream ss; 
-    EscapeJSONString(ss, s); 
-    return ss.Str(); 
-} 
- 
+static void EscapeJSONString(IOutputStream& os, const TString& s)
+{
+    for (TString::const_iterator i = s.begin(), e = s.end(); i != e; ++i) {
+        char c = *i;
+        if (c < ' ') {
+            os << Sprintf("\\u%04x", int(c));
+        } else if (c == '"') {
+            os << "\\\"";
+        } else if (c == '\\') {
+            os << "\\\\";
+        } else {
+            os << c;
+        }
+    }
+}
+
+static TString EscapeJSONString(const TString& s)
+{
+    TStringStream ss;
+    EscapeJSONString(ss, s);
+    return ss.Str();
+}
+
 class TLogJsonPrinter {
 private:
     IOutputStream& Os;
@@ -2199,15 +2199,15 @@ public:
               ;
     }
 
-    void OutputFooter(const NLWTrace::TSession* trace) 
+    void OutputFooter(const NLWTrace::TSession* trace)
     {
         Os << "\n\t\t]"
               "\n\t, \"threads\": ["
               ;
-        trace->ReadThreads(*this); 
+        trace->ReadThreads(*this);
         Os << "]"
-              "\n\t, \"events_count\": " << trace->GetEventsCount() << 
-              "\n\t, \"threads_count\": " << trace->GetThreadsCount() << 
+              "\n\t, \"events_count\": " << trace->GetEventsCount() <<
+              "\n\t, \"threads_count\": " << trace->GetThreadsCount() <<
               "\n\t, \"timestamp\": " << Now().GetValue() <<
               "\n}"
               ;
@@ -2219,7 +2219,7 @@ public:
         FirstThread = false;
     }
 
-    void Push(TThread::TId tid, const NLWTrace::TLogItem& item) 
+    void Push(TThread::TId tid, const NLWTrace::TLogItem& item)
     {
         Os << "\n\t\t" << (FirstItem? "": ", ");
         FirstItem = false;
@@ -2246,31 +2246,31 @@ public:
 
 class TLogTextPrinter : public TLogFilter {
 private:
-    TMultiMap<NLWTrace::TTypedParam, std::pair<TThread::TId, NLWTrace::TLogItem> > Items; 
-    TMultiMap<NLWTrace::TTypedParam, NLWTrace::TTrackLog> Depot; 
-    THashMap<NLWTrace::TProbe*, size_t> ProbeId; 
-    TVector<NLWTrace::TProbe*> Probes; 
-    TTimestampCutter CutTs; 
-    TLogQuery Order; 
-    bool ReverseOrder = false; 
-    ui64 Head = 0; 
-    ui64 Tail = 0; 
-    bool ShowTs = false; 
+    TMultiMap<NLWTrace::TTypedParam, std::pair<TThread::TId, NLWTrace::TLogItem> > Items;
+    TMultiMap<NLWTrace::TTypedParam, NLWTrace::TTrackLog> Depot;
+    THashMap<NLWTrace::TProbe*, size_t> ProbeId;
+    TVector<NLWTrace::TProbe*> Probes;
+    TTimestampCutter CutTs;
+    TLogQuery Order;
+    bool ReverseOrder = false;
+    ui64 Head = 0;
+    ui64 Tail = 0;
+    bool ShowTs = false;
 public:
-    TLogTextPrinter(const TVector<TString>& filters, ui64 head, ui64 tail, const TString& order, bool reverseOrder, bool cutTs, bool showTs) 
-        : TLogFilter(filters) 
-        , CutTs(cutTs) 
-        , Order(order) 
-        , ReverseOrder(reverseOrder) 
-        , Head(head) 
-        , Tail(tail) 
-        , ShowTs(showTs) 
-    {} 
- 
+    TLogTextPrinter(const TVector<TString>& filters, ui64 head, ui64 tail, const TString& order, bool reverseOrder, bool cutTs, bool showTs)
+        : TLogFilter(filters)
+        , CutTs(cutTs)
+        , Order(order)
+        , ReverseOrder(reverseOrder)
+        , Head(head)
+        , Tail(tail)
+        , ShowTs(showTs)
+    {}
+
     TLogTextPrinter(const TCgiParameters& e)
         : TLogTextPrinter(
-            Subvalues(e, "f"), 
-            e.Has("head")? FromString<ui64>(e.Get("head")): 0, 
+            Subvalues(e, "f"),
+            e.Has("head")? FromString<ui64>(e.Get("head")): 0,
             e.Has("tail")? FromString<ui64>(e.Get("tail")): 0,
             e.Get("s"),
             e.Get("reverse") == "y",
@@ -2278,1630 +2278,1630 @@ public:
             e.Get("showts") == "y")
     {}
 
-    enum EFormat { 
-        Text, 
-        Json 
-    }; 
- 
+    enum EFormat {
+        Text,
+        Json
+    };
+
     void Output(IOutputStream& os) const
     {
-        OutputItems<Text>(os); 
-        OutputDepot<Text>(os); 
-    }
-
-    void OutputJson(IOutputStream& os) const 
-    { 
-        os << "{\"depot\":[\n"; 
-        OutputItems<Json>(os); 
-        OutputDepot<Json>(os); 
-        os << "],\"probes\":["; 
-        bool first = true; 
-        for (const NLWTrace::TProbe* probe : Probes) { 
-            os << (first? "": ",") << "{\"provider\":\"" << probe->Event.GetProvider() 
-                << "\",\"name\":\"" << probe->Event.Name << "\"}"; 
-            first = false; 
-        } 
-        os << "]}"; 
-    } 
- 
-    NLWTrace::TTypedParam GetKey(const NLWTrace::TLogItem& item) 
-    { 
-        return Order? Order.ExecuteQuery(item): NLWTrace::TTypedParam(item.GetTimestampCycles()); 
-    } 
- 
-    NLWTrace::TTypedParam GetKey(const NLWTrace::TTrackLog& tl) 
-    { 
-        return Order? Order.ExecuteQuery(tl): NLWTrace::TTypedParam(tl.GetTimestampCycles()); 
-    } 
- 
-    void Push(TThread::TId tid, const NLWTrace::TLogItem& item) 
-    {
-        CutTs.Push(tid, item); 
+        OutputItems<Text>(os);
+        OutputDepot<Text>(os);
+    }
+
+    void OutputJson(IOutputStream& os) const
+    {
+        os << "{\"depot\":[\n";
+        OutputItems<Json>(os);
+        OutputDepot<Json>(os);
+        os << "],\"probes\":[";
+        bool first = true;
+        for (const NLWTrace::TProbe* probe : Probes) {
+            os << (first? "": ",") << "{\"provider\":\"" << probe->Event.GetProvider()
+                << "\",\"name\":\"" << probe->Event.Name << "\"}";
+            first = false;
+        }
+        os << "]}";
+    }
+
+    NLWTrace::TTypedParam GetKey(const NLWTrace::TLogItem& item)
+    {
+        return Order? Order.ExecuteQuery(item): NLWTrace::TTypedParam(item.GetTimestampCycles());
+    }
+
+    NLWTrace::TTypedParam GetKey(const NLWTrace::TTrackLog& tl)
+    {
+        return Order? Order.ExecuteQuery(tl): NLWTrace::TTypedParam(tl.GetTimestampCycles());
+    }
+
+    void Push(TThread::TId tid, const NLWTrace::TLogItem& item)
+    {
+        CutTs.Push(tid, item);
         if (Filter(item)) {
-            AddId(item); 
-            Items.emplace(GetKey(item), std::make_pair(tid, item)); 
-        }
-    }
- 
-    void Push(TThread::TId tid, const NLWTrace::TTrackLog& tl) 
-    { 
-        Y_UNUSED(tid); 
-        if (Filter(tl)) { 
-            AddId(tl); 
-            Depot.emplace(GetKey(tl), tl); 
-        } 
-    } 
- 
+            AddId(item);
+            Items.emplace(GetKey(item), std::make_pair(tid, item));
+        }
+    }
+
+    void Push(TThread::TId tid, const NLWTrace::TTrackLog& tl)
+    {
+        Y_UNUSED(tid);
+        if (Filter(tl)) {
+            AddId(tl);
+            Depot.emplace(GetKey(tl), tl);
+        }
+    }
+
 private:
-    void AddId(const NLWTrace::TLogItem& item) 
-    { 
-        if (ProbeId.find(item.Probe) == ProbeId.end()) { 
-            size_t id = Probes.size(); 
-            ProbeId[item.Probe] = id; 
-            Probes.emplace_back(item.Probe); 
-        } 
-    } 
- 
-    void AddId(const NLWTrace::TTrackLog& tl) 
-    { 
-        for (const auto& item : tl.Items) { 
-            AddId(item); 
-        } 
-    } 
- 
-    bool HeadTailFilter(ui64 idx, ui64 size) const 
-    { 
-        bool headOk = idx < Head; 
-        bool tailOk = size < Tail + idx + 1ull; 
-        if (Head && Tail) { 
-            return headOk || tailOk; 
-        } else if (Head) { 
-            return headOk; 
-        } else if (Tail) { 
-            return tailOk; 
-        } else { 
-            return true; 
-        } 
-    } 
- 
-    template <EFormat Format> 
+    void AddId(const NLWTrace::TLogItem& item)
+    {
+        if (ProbeId.find(item.Probe) == ProbeId.end()) {
+            size_t id = Probes.size();
+            ProbeId[item.Probe] = id;
+            Probes.emplace_back(item.Probe);
+        }
+    }
+
+    void AddId(const NLWTrace::TTrackLog& tl)
+    {
+        for (const auto& item : tl.Items) {
+            AddId(item);
+        }
+    }
+
+    bool HeadTailFilter(ui64 idx, ui64 size) const
+    {
+        bool headOk = idx < Head;
+        bool tailOk = size < Tail + idx + 1ull;
+        if (Head && Tail) {
+            return headOk || tailOk;
+        } else if (Head) {
+            return headOk;
+        } else if (Tail) {
+            return tailOk;
+        } else {
+            return true;
+        }
+    }
+
+    template <EFormat Format>
     void OutputItems(IOutputStream& os) const
-    { 
-        ui64 idx = 0; 
-        ui64 size = Items.size(); 
-        ui64 startTs = ShowTs? CutTs.StartTimestamp(): 0; 
-        ui64 prevTs = 0; 
-        bool first = true; 
-        if (!ReverseOrder) { 
-            for (auto i = Items.begin(), e = Items.end(); i != e; ++i, idx++) { 
-                if (HeadTailFilter(idx, size)) { 
-                    OutputItem<Format, true>(os, i->second.first, i->second.second, startTs, prevTs, first); 
-                    prevTs = startTs? i->second.second.GetTimestampCycles(): 0; 
-                } 
-            } 
-        } else { 
-            for (auto i = Items.rbegin(), e = Items.rend(); i != e; ++i, idx++) { 
-                if (HeadTailFilter(idx, size)) { 
-                    OutputItem<Format, true>(os, i->second.first, i->second.second, startTs, prevTs, first); 
-                    prevTs = startTs? i->second.second.GetTimestampCycles(): 0; 
-                } 
-            } 
-        } 
-    } 
- 
-    template <EFormat Format> 
+    {
+        ui64 idx = 0;
+        ui64 size = Items.size();
+        ui64 startTs = ShowTs? CutTs.StartTimestamp(): 0;
+        ui64 prevTs = 0;
+        bool first = true;
+        if (!ReverseOrder) {
+            for (auto i = Items.begin(), e = Items.end(); i != e; ++i, idx++) {
+                if (HeadTailFilter(idx, size)) {
+                    OutputItem<Format, true>(os, i->second.first, i->second.second, startTs, prevTs, first);
+                    prevTs = startTs? i->second.second.GetTimestampCycles(): 0;
+                }
+            }
+        } else {
+            for (auto i = Items.rbegin(), e = Items.rend(); i != e; ++i, idx++) {
+                if (HeadTailFilter(idx, size)) {
+                    OutputItem<Format, true>(os, i->second.first, i->second.second, startTs, prevTs, first);
+                    prevTs = startTs? i->second.second.GetTimestampCycles(): 0;
+                }
+            }
+        }
+    }
+
+    template <EFormat Format>
     void OutputDepot(IOutputStream& os) const
-    { 
-        ui64 idx = 0; 
-        ui64 size = Depot.size(); 
-        bool first = true; 
-        if (!ReverseOrder) { 
-            for (auto i = Depot.begin(), e = Depot.end(); i != e; ++i, idx++) { 
-                if (HeadTailFilter(idx, size)) { 
-                    OutputTrackLog<Format>(os, i->second, first); 
-                } 
-            } 
-        } else { 
-            for (auto i = Depot.rbegin(), e = Depot.rend(); i != e; ++i, idx++) { 
-                if (HeadTailFilter(idx, size)) { 
-                    OutputTrackLog<Format>(os, i->second, first); 
-                } 
-            } 
-        } 
-    } 
- 
-    template <EFormat Format, bool AsTrack = false> 
-    void OutputItem(IOutputStream& os, TThread::TId tid, const NLWTrace::TLogItem& item, ui64 startTs, ui64 prevTs, bool& first) const 
-    {
-        if (CutTs.Skip(item)) { 
-            return; 
-        } 
-        if constexpr (Format == Text) { 
-            if (startTs) { 
-                if (!prevTs) { 
-                    prevTs = item.GetTimestampCycles(); 
-                } 
-                os << Sprintf("%10.3lf %+10.3lf ms ", 
-                    NHPTimer::GetSeconds(item.GetTimestampCycles() - startTs) * 1000.0, 
-                    NHPTimer::GetSeconds(item.GetTimestampCycles() - prevTs) * 1000.0); 
-            } 
-            if (tid) { 
-                os << "<" << tid << "> "; 
-            }
-            if (item.Timestamp != TInstant::Zero()) { 
-                os << "[" << item.Timestamp << "] "; 
-            } else { 
-                os << "[" << item.TimestampCycles << "] "; 
-            } 
-            os << GetProbeName(item.Probe) << "("; 
-            if (item.SavedParamsCount > 0) { 
-                TString ParamValues[LWTRACE_MAX_PARAMS]; 
-                item.Probe->Event.Signature.SerializeParams(item.Params, ParamValues); 
-                bool first = true; 
-                for (size_t i = 0; i < item.SavedParamsCount; i++, first = false) { 
-                    os << (first? "": ", ") << item.Probe->Event.Signature.ParamNames[i] << "='" << EscapeC(ParamValues[i]) << "'"; 
-                } 
-            } 
-            os << ")\n"; 
-        } else if constexpr (Format == Json) { 
-            if (auto probeId = ProbeId.find(item.Probe); probeId != ProbeId.end()) { 
-                os << (first? "": ",") << (AsTrack? "[":"") << "[\"" << tid << "\",\""; 
-                if (item.Timestamp != TInstant::Zero()) { 
-                    os << item.Timestamp.MicroSeconds(); 
-                } else { 
-                    os << Sprintf("%.3lf", NHPTimer::GetSeconds(item.TimestampCycles) * 1e9); 
-                } 
-                os << "\"," << probeId->second << ",{"; 
-                if (item.SavedParamsCount > 0) { 
-                    TString ParamValues[LWTRACE_MAX_PARAMS]; 
-                    item.Probe->Event.Signature.SerializeParams(item.Params, ParamValues); 
-                    bool first = true; 
-                    for (size_t i = 0; i < item.SavedParamsCount; i++, first = false) { 
-                        os << (first? "": ",") << "\"" << item.Probe->Event.Signature.ParamNames[i] << "\":\""; 
-                        EscapeJSONString(os, ParamValues[i]); 
-                        os << "\""; 
-                    } 
-                } 
-                os << "}]" << (AsTrack? "]":""); 
-            } 
-        }
-        first = false; 
-    }
- 
-    template <EFormat Format> 
-    void OutputTrackLog(IOutputStream& os, const NLWTrace::TTrackLog& tl, bool& first) const 
-    { 
-        if constexpr (Format == Json) { 
-            os << (first? "": ",") << "["; 
-        } 
-        first = false; 
-        ui64 prevTs = tl.GetTimestampCycles(); 
-        bool firstItem = true; 
-        for (const NLWTrace::TTrackLog::TItem& item: tl.Items) { 
-            OutputItem<Format>(os, item.ThreadId, item, tl.GetTimestampCycles(), prevTs, firstItem); 
-            prevTs = item.GetTimestampCycles(); 
-        } 
-        if constexpr (Format == Json) { 
-            os << "]"; 
-        } 
-        os << "\n"; 
-    } 
+    {
+        ui64 idx = 0;
+        ui64 size = Depot.size();
+        bool first = true;
+        if (!ReverseOrder) {
+            for (auto i = Depot.begin(), e = Depot.end(); i != e; ++i, idx++) {
+                if (HeadTailFilter(idx, size)) {
+                    OutputTrackLog<Format>(os, i->second, first);
+                }
+            }
+        } else {
+            for (auto i = Depot.rbegin(), e = Depot.rend(); i != e; ++i, idx++) {
+                if (HeadTailFilter(idx, size)) {
+                    OutputTrackLog<Format>(os, i->second, first);
+                }
+            }
+        }
+    }
+
+    template <EFormat Format, bool AsTrack = false>
+    void OutputItem(IOutputStream& os, TThread::TId tid, const NLWTrace::TLogItem& item, ui64 startTs, ui64 prevTs, bool& first) const
+    {
+        if (CutTs.Skip(item)) {
+            return;
+        }
+        if constexpr (Format == Text) {
+            if (startTs) {
+                if (!prevTs) {
+                    prevTs = item.GetTimestampCycles();
+                }
+                os << Sprintf("%10.3lf %+10.3lf ms ",
+                    NHPTimer::GetSeconds(item.GetTimestampCycles() - startTs) * 1000.0,
+                    NHPTimer::GetSeconds(item.GetTimestampCycles() - prevTs) * 1000.0);
+            }
+            if (tid) {
+                os << "<" << tid << "> ";
+            }
+            if (item.Timestamp != TInstant::Zero()) {
+                os << "[" << item.Timestamp << "] ";
+            } else {
+                os << "[" << item.TimestampCycles << "] ";
+            }
+            os << GetProbeName(item.Probe) << "(";
+            if (item.SavedParamsCount > 0) {
+                TString ParamValues[LWTRACE_MAX_PARAMS];
+                item.Probe->Event.Signature.SerializeParams(item.Params, ParamValues);
+                bool first = true;
+                for (size_t i = 0; i < item.SavedParamsCount; i++, first = false) {
+                    os << (first? "": ", ") << item.Probe->Event.Signature.ParamNames[i] << "='" << EscapeC(ParamValues[i]) << "'";
+                }
+            }
+            os << ")\n";
+        } else if constexpr (Format == Json) {
+            if (auto probeId = ProbeId.find(item.Probe); probeId != ProbeId.end()) {
+                os << (first? "": ",") << (AsTrack? "[":"") << "[\"" << tid << "\",\"";
+                if (item.Timestamp != TInstant::Zero()) {
+                    os << item.Timestamp.MicroSeconds();
+                } else {
+                    os << Sprintf("%.3lf", NHPTimer::GetSeconds(item.TimestampCycles) * 1e9);
+                }
+                os << "\"," << probeId->second << ",{";
+                if (item.SavedParamsCount > 0) {
+                    TString ParamValues[LWTRACE_MAX_PARAMS];
+                    item.Probe->Event.Signature.SerializeParams(item.Params, ParamValues);
+                    bool first = true;
+                    for (size_t i = 0; i < item.SavedParamsCount; i++, first = false) {
+                        os << (first? "": ",") << "\"" << item.Probe->Event.Signature.ParamNames[i] << "\":\"";
+                        EscapeJSONString(os, ParamValues[i]);
+                        os << "\"";
+                    }
+                }
+                os << "}]" << (AsTrack? "]":"");
+            }
+        }
+        first = false;
+    }
+
+    template <EFormat Format>
+    void OutputTrackLog(IOutputStream& os, const NLWTrace::TTrackLog& tl, bool& first) const
+    {
+        if constexpr (Format == Json) {
+            os << (first? "": ",") << "[";
+        }
+        first = false;
+        ui64 prevTs = tl.GetTimestampCycles();
+        bool firstItem = true;
+        for (const NLWTrace::TTrackLog::TItem& item: tl.Items) {
+            OutputItem<Format>(os, item.ThreadId, item, tl.GetTimestampCycles(), prevTs, firstItem);
+            prevTs = item.GetTimestampCycles();
+        }
+        if constexpr (Format == Json) {
+            os << "]";
+        }
+        os << "\n";
+    }
 };
 
-class TLogAnalyzer: public TLogFilter { 
-private: 
+class TLogAnalyzer: public TLogFilter {
+private:
     TMultiMap<ui64, std::pair<TThread::TId, NLWTrace::TLogItem>> Items;
     TVector<NLWTrace::TTrackLog> Depot;
     THashMap<TString, TTrackLogRefs> Groups;
-    NAnalytics::TTable Table; 
-    bool TableCreated = false; 
+    NAnalytics::TTable Table;
+    bool TableCreated = false;
     TVector<TString> GroupBy;
-    TTimestampCutter CutTs; 
-public: 
+    TTimestampCutter CutTs;
+public:
     TLogAnalyzer(const TVector<TString>& filters, const TVector<TString>& groupBy, bool cutTs)
-        : TLogFilter(filters) 
-        , CutTs(cutTs) 
-    { 
+        : TLogFilter(filters)
+        , CutTs(cutTs)
+    {
         for (const TString& groupParam : groupBy) {
-            GroupBy.push_back(groupParam); 
-        } 
-    } 
- 
-    const NAnalytics::TTable& GetTable() 
-    { 
-        if (!TableCreated) { 
-            TableCreated = true; 
-            if (GroupBy.empty()) { 
-                for (auto i = Items.begin(), e = Items.end(); i != e; ++i) { 
-                    ParseItems(i->second.first, i->second.second); 
-                } 
-                ParseDepot(); 
-            } else { 
-                for (auto i = Items.begin(), e = Items.end(); i != e; ++i) { 
-                    Map(i->second.first, i->second.second); 
-                } 
-                Reduce(); 
-            } 
-        } 
-        return Table; 
-    } 
- 
-    void Push(TThread::TId tid, const NLWTrace::TLogItem& item) 
-    { 
-        CutTs.Push(tid, item); 
-        if (Filter(item)) { 
-            Items.emplace(item.TimestampCycles, std::make_pair(tid, item)); 
-        } 
-    } 
- 
-    void Push(TThread::TId, const NLWTrace::TTrackLog& tl) 
-    { 
-        if (Filter(tl)) { 
-            Depot.emplace_back(tl); 
-        } 
-    } 
-private: 
-    void FillRow(NAnalytics::TRow& row, const NLWTrace::TLogItem& item) 
-    { 
-        if (item.SavedParamsCount > 0) { 
+            GroupBy.push_back(groupParam);
+        }
+    }
+
+    const NAnalytics::TTable& GetTable()
+    {
+        if (!TableCreated) {
+            TableCreated = true;
+            if (GroupBy.empty()) {
+                for (auto i = Items.begin(), e = Items.end(); i != e; ++i) {
+                    ParseItems(i->second.first, i->second.second);
+                }
+                ParseDepot();
+            } else {
+                for (auto i = Items.begin(), e = Items.end(); i != e; ++i) {
+                    Map(i->second.first, i->second.second);
+                }
+                Reduce();
+            }
+        }
+        return Table;
+    }
+
+    void Push(TThread::TId tid, const NLWTrace::TLogItem& item)
+    {
+        CutTs.Push(tid, item);
+        if (Filter(item)) {
+            Items.emplace(item.TimestampCycles, std::make_pair(tid, item));
+        }
+    }
+
+    void Push(TThread::TId, const NLWTrace::TTrackLog& tl)
+    {
+        if (Filter(tl)) {
+            Depot.emplace_back(tl);
+        }
+    }
+private:
+    void FillRow(NAnalytics::TRow& row, const NLWTrace::TLogItem& item)
+    {
+        if (item.SavedParamsCount > 0) {
             TString paramValues[LWTRACE_MAX_PARAMS];
-            item.Probe->Event.Signature.SerializeParams(item.Params, paramValues); 
-            for (size_t i = 0; i < item.SavedParamsCount; i++) { 
+            item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
+            for (size_t i = 0; i < item.SavedParamsCount; i++) {
                 double value = FromString<double>(paramValues[i].data(), paramValues[i].size(), NAN);
                 // If value cannot be cast to double or is inf/nan -- assume it's a string
-                if (isfinite(value)) { 
-                    row[item.Probe->Event.Signature.ParamNames[i]] = value; 
+                if (isfinite(value)) {
+                    row[item.Probe->Event.Signature.ParamNames[i]] = value;
                 } else {
                     row[item.Probe->Event.Signature.ParamNames[i]] = paramValues[i];
-                } 
-            } 
-        } 
-    } 
- 
+                }
+            }
+        }
+    }
+
     TString GetParam(const NLWTrace::TLogItem& item, TString* paramValues, const TString& paramName)
-    { 
-        for (size_t pi = 0; pi < item.SavedParamsCount; pi++) { 
-            if (paramName == item.Probe->Event.Signature.ParamNames[pi]) { 
-                return paramValues[pi]; 
-            } 
-        } 
+    {
+        for (size_t pi = 0; pi < item.SavedParamsCount; pi++) {
+            if (paramName == item.Probe->Event.Signature.ParamNames[pi]) {
+                return paramValues[pi];
+            }
+        }
         return TString();
-    } 
- 
+    }
+
     TString GetGroup(const NLWTrace::TLogItem& item, TString* paramValues)
-    { 
-        TStringStream ss; 
-        bool first = true; 
+    {
+        TStringStream ss;
+        bool first = true;
         for (const TString& groupParam : GroupBy) {
-            ss << (first? "": "|") << GetParam(item, paramValues, groupParam); 
-            first = false; 
-        } 
-        return ss.Str(); 
-    } 
- 
-    void ParseItems(TThread::TId tid, const NLWTrace::TLogItem& item) 
-    { 
-        if (CutTs.Skip(item)) { 
-            return; 
-        } 
+            ss << (first? "": "|") << GetParam(item, paramValues, groupParam);
+            first = false;
+        }
+        return ss.Str();
+    }
+
+    void ParseItems(TThread::TId tid, const NLWTrace::TLogItem& item)
+    {
+        if (CutTs.Skip(item)) {
+            return;
+        }
         Table.emplace_back();
-        NAnalytics::TRow& row = Table.back(); 
-        row["_thread"] = tid; 
-        if (item.Timestamp != TInstant::Zero()) { 
-            row["_wallTime"] = item.Timestamp.SecondsFloat(); 
-            row["_wallRTime"] = item.Timestamp.SecondsFloat() - CutTs.StartInstant().SecondsFloat(); 
-        } 
-        row["_cycles"] = item.TimestampCycles; 
-        row["_thrTime"] = CyclesToDuration((ui64)item.TimestampCycles).SecondsFloat(); 
-        row["_thrRTime"] = double(i64(item.TimestampCycles) - i64(CutTs.StartTimestamp())) / NHPTimer::GetCyclesPerSecond(); 
-        row["_thrNTime"] = double(i64(item.TimestampCycles) - i64(CutTs.NowTimestamp())) / NHPTimer::GetCyclesPerSecond(); 
-        row.Name = GetProbeName(item.Probe); 
-        FillRow(row, item); 
-    } 
- 
-    void Map(TThread::TId tid, const NLWTrace::TLogItem& item) 
-    { 
-        if (item.SavedParamsCount > 0 && !CutTs.Skip(item)) { 
+        NAnalytics::TRow& row = Table.back();
+        row["_thread"] = tid;
+        if (item.Timestamp != TInstant::Zero()) {
+            row["_wallTime"] = item.Timestamp.SecondsFloat();
+            row["_wallRTime"] = item.Timestamp.SecondsFloat() - CutTs.StartInstant().SecondsFloat();
+        }
+        row["_cycles"] = item.TimestampCycles;
+        row["_thrTime"] = CyclesToDuration((ui64)item.TimestampCycles).SecondsFloat();
+        row["_thrRTime"] = double(i64(item.TimestampCycles) - i64(CutTs.StartTimestamp())) / NHPTimer::GetCyclesPerSecond();
+        row["_thrNTime"] = double(i64(item.TimestampCycles) - i64(CutTs.NowTimestamp())) / NHPTimer::GetCyclesPerSecond();
+        row.Name = GetProbeName(item.Probe);
+        FillRow(row, item);
+    }
+
+    void Map(TThread::TId tid, const NLWTrace::TLogItem& item)
+    {
+        if (item.SavedParamsCount > 0 && !CutTs.Skip(item)) {
             TString paramValues[LWTRACE_MAX_PARAMS];
-            item.Probe->Event.Signature.SerializeParams(item.Params, paramValues); 
-            TTrackLogRefs& tl = Groups[GetGroup(item, paramValues)]; 
-            tl.Items.emplace_back(tid, item); 
-        } 
-    } 
- 
-    void Reduce() 
-    { 
-        for (auto& v : Groups) { 
+            item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
+            TTrackLogRefs& tl = Groups[GetGroup(item, paramValues)];
+            tl.Items.emplace_back(tid, item);
+        }
+    }
+
+    void Reduce()
+    {
+        for (auto& v : Groups) {
             const TString& group = v.first;
-            const TTrackLogRefs& tl = v.second; 
+            const TTrackLogRefs& tl = v.second;
             Table.emplace_back();
-            NAnalytics::TRow& row = Table.back(); 
-            row.Name = group; 
-            for (const NLWTrace::TLogItem& item : tl.Items) { 
-               FillRow(row, item); 
-            } 
-        } 
-    } 
- 
-    void ParseDepot() 
-    { 
-        for (NLWTrace::TTrackLog& tl : Depot) { 
-            Table.emplace_back(); 
-            NAnalytics::TRow& row = Table.back(); 
-            for (const NLWTrace::TLogItem& item : tl.Items) { 
-                FillRow(row, item); 
-            } 
-        } 
-    } 
-}; 
- 
-struct TSampleOpts { 
-    bool ShowProvider = false; 
-    size_t SizeLimit = 50; 
-}; 
- 
-enum ENodeType { 
-    NT_ROOT, 
-    NT_PROBE, 
-    NT_PARAM 
-}; 
- 
-class TPatternTree; 
-struct TPatternNode; 
- 
-struct TTrack : public TTrackLogRefs { 
+            NAnalytics::TRow& row = Table.back();
+            row.Name = group;
+            for (const NLWTrace::TLogItem& item : tl.Items) {
+               FillRow(row, item);
+            }
+        }
+    }
+
+    void ParseDepot()
+    {
+        for (NLWTrace::TTrackLog& tl : Depot) {
+            Table.emplace_back();
+            NAnalytics::TRow& row = Table.back();
+            for (const NLWTrace::TLogItem& item : tl.Items) {
+                FillRow(row, item);
+            }
+        }
+    }
+};
+
+struct TSampleOpts {
+    bool ShowProvider = false;
+    size_t SizeLimit = 50;
+};
+
+enum ENodeType {
+    NT_ROOT,
+    NT_PROBE,
+    NT_PARAM
+};
+
+class TPatternTree;
+struct TPatternNode;
+
+struct TTrack : public TTrackLogRefs {
     TString TrackId;
-    TPatternNode* LastNode = nullptr; 
-}; 
- 
-using TTrackTr = TLogTraits<TTrackLogRefs>; 
-using TTrackIter = TTrackTr::const_iterator; 
- 
-// Visitor for tree traversing 
-class IVisitor { 
-public: 
-    virtual ~IVisitor() {} 
-    virtual void Visit(TPatternNode* node) = 0; 
-}; 
- 
-// Per-node classifier 
-class TClassifier { 
-public: 
-    explicit TClassifier(TPatternNode* node, ENodeType childType, bool keepHead = false) 
-        : Node(node) 
-        , KeepHead(keepHead) 
-        , ChildType(childType) 
-    {} 
-    virtual ~TClassifier() {} 
-    virtual TPatternNode* Classify(TTrackIter cur, const TTrack& track) = 0; 
-    virtual void Accept(IVisitor* visitor) = 0; 
-    virtual bool IsLeaf() = 0; 
-    ENodeType GetChildType() const { return ChildType; } 
-public: 
-    TPatternNode* Node; 
-    const bool KeepHead; 
-    ENodeType ChildType; 
-}; 
- 
-// Track classification tree node 
-struct TPatternNode { 
+    TPatternNode* LastNode = nullptr;
+};
+
+using TTrackTr = TLogTraits<TTrackLogRefs>;
+using TTrackIter = TTrackTr::const_iterator;
+
+// Visitor for tree traversing
+class IVisitor {
+public:
+    virtual ~IVisitor() {}
+    virtual void Visit(TPatternNode* node) = 0;
+};
+
+// Per-node classifier
+class TClassifier {
+public:
+    explicit TClassifier(TPatternNode* node, ENodeType childType, bool keepHead = false)
+        : Node(node)
+        , KeepHead(keepHead)
+        , ChildType(childType)
+    {}
+    virtual ~TClassifier() {}
+    virtual TPatternNode* Classify(TTrackIter cur, const TTrack& track) = 0;
+    virtual void Accept(IVisitor* visitor) = 0;
+    virtual bool IsLeaf() = 0;
+    ENodeType GetChildType() const { return ChildType; }
+public:
+    TPatternNode* Node;
+    const bool KeepHead;
+    ENodeType ChildType;
+};
+
+// Track classification tree node
+struct TPatternNode {
     TString Name;
-    TPatternNode* Parent = nullptr; 
-    THolder<TClassifier> Classifier; 
-    struct TDesc { 
-        ENodeType Type = NT_ROOT; 
-        // NT_PROBE 
-        const NLWTrace::TProbe* Probe = nullptr; 
-        // NT_PARAM 
-        size_t Rollbacks = 0; 
+    TPatternNode* Parent = nullptr;
+    THolder<TClassifier> Classifier;
+    struct TDesc {
+        ENodeType Type = NT_ROOT;
+        // NT_PROBE
+        const NLWTrace::TProbe* Probe = nullptr;
+        // NT_PARAM
+        size_t Rollbacks = 0;
         TString ParamName;
         TString ParamValue;
-    } Desc; 
- 
-    ui64 TrackCount = 0; 
-    struct TTrackEntry { 
-        TTrack* Track; 
-        ui64 ResTotal; 
-        ui64 ResLast; 
- 
-        TTrackEntry(TTrack* track, ui64 resTotal, ui64 resLast) 
-            : Track(track) 
-            , ResTotal(resTotal) 
-            , ResLast(resLast) 
-        {} 
-    }; 
- 
+    } Desc;
+
+    ui64 TrackCount = 0;
+    struct TTrackEntry {
+        TTrack* Track;
+        ui64 ResTotal;
+        ui64 ResLast;
+
+        TTrackEntry(TTrack* track, ui64 resTotal, ui64 resLast)
+            : Track(track)
+            , ResTotal(resTotal)
+            , ResLast(resLast)
+        {}
+    };
+
     TVector<TTrackEntry> Tracks;
- 
-    ui64 ResTotalSum = 0; 
-    ui64 ResTotalMax = 0; 
+
+    ui64 ResTotalSum = 0;
+    ui64 ResTotalMax = 0;
     TVector<ui64> ResTotalAll;
- 
-    ui64 ResLastSum = 0; 
-    ui64 ResLastMax = 0; 
+
+    ui64 ResLastSum = 0;
+    ui64 ResLastMax = 0;
     TVector<ui64> ResLastAll;
- 
+
     TVector<ui64> TimelineSum;
-    NAnalytics::TTable Slices; 
- 
+    NAnalytics::TTable Slices;
+
     TString GetPath() const
-    { 
-        if (Parent) { 
-            return Parent->GetPath() + Name; 
-        } 
-        return "/"; 
-    } 
- 
-    NAnalytics::TTable GetTable() const 
-    { 
-        using namespace NAnalytics; 
-        NAnalytics::TTable ret; 
-        for (ui64 x : ResTotalAll) { 
+    {
+        if (Parent) {
+            return Parent->GetPath() + Name;
+        }
+        return "/";
+    }
+
+    NAnalytics::TTable GetTable() const
+    {
+        using namespace NAnalytics;
+        NAnalytics::TTable ret;
+        for (ui64 x : ResTotalAll) {
             ret.emplace_back();
-            TRow& row = ret.back(); 
-            row["resTotal"] = double(x) * 1000.0 / NHPTimer::GetClockRate(); 
-        } 
-        for (ui64 x : ResLastAll) { 
+            TRow& row = ret.back();
+            row["resTotal"] = double(x) * 1000.0 / NHPTimer::GetClockRate();
+        }
+        for (ui64 x : ResLastAll) {
             ret.emplace_back();
-            TRow& row = ret.back(); 
-            row["resLast"] = double(x) * 1000.0 / NHPTimer::GetClockRate(); 
-        } 
-        return ret; 
-    } 
- 
+            TRow& row = ret.back();
+            row["resLast"] = double(x) * 1000.0 / NHPTimer::GetClockRate();
+        }
+        return ret;
+    }
+
     template <typename TReader>
     void OutputSample(const TString& bn, double b1, double b2, const TSampleOpts& opts, TReader& reader) const
-    { 
-        bool filterTotal = false; 
-        if (bn == "resTotal") { 
-            filterTotal = true; 
-        } else { 
+    {
+        bool filterTotal = false;
+        if (bn == "resTotal") {
+            filterTotal = true;
+        } else {
             WWW_CHECK(bn == "resLast", "wrong sample filter param: %s", bn.data());
-        } 
- 
-        size_t spaceLeft = opts.SizeLimit; 
-        for (const TTrackEntry& entry : Tracks) { 
-            const TTrack* track = entry.Track; 
-            // Filter out tracks that are not in sample 
-            if (filterTotal) { 
-                double resTotalMs = double(entry.ResTotal) * 1000.0 / NHPTimer::GetClockRate(); 
-                if (resTotalMs < b1 || resTotalMs > b2) { 
-                    continue; 
-                } 
-            } else { 
-                double resLastMs = double(entry.ResLast) * 1000.0 / NHPTimer::GetClockRate(); 
-                if (resLastMs < b1 || resLastMs > b2) { 
-                    continue; 
-                } 
-            } 
- 
+        }
+
+        size_t spaceLeft = opts.SizeLimit;
+        for (const TTrackEntry& entry : Tracks) {
+            const TTrack* track = entry.Track;
+            // Filter out tracks that are not in sample
+            if (filterTotal) {
+                double resTotalMs = double(entry.ResTotal) * 1000.0 / NHPTimer::GetClockRate();
+                if (resTotalMs < b1 || resTotalMs > b2) {
+                    continue;
+                }
+            } else {
+                double resLastMs = double(entry.ResLast) * 1000.0 / NHPTimer::GetClockRate();
+                if (resLastMs < b1 || resLastMs > b2) {
+                    continue;
+                }
+            }
+
             NLWTrace::TTrackLog tl;
             for (TTrackIter i = TTrackTr::begin(*track), e = TTrackTr::end(*track); i != e; ++i) {
-                const NLWTrace::TLogItem& item = *i; 
+                const NLWTrace::TLogItem& item = *i;
                 const auto threadId = i->ThreadId;
                 tl.Items.push_back(NLWTrace::TTrackLog::TItem(threadId, item));
-            } 
+            }
             reader.Push(0, tl);
-            if (spaceLeft) { 
-                spaceLeft--; 
-                if (!spaceLeft) { 
-                    break; 
-                } 
-            } 
-        } 
-    } 
-}; 
- 
-// Track classification tree 
-class TPatternTree { 
-public: 
-    // Per-node classifier by probe name 
-    class TClassifyByProbe : public TClassifier { 
-    private: 
+            if (spaceLeft) {
+                spaceLeft--;
+                if (!spaceLeft) {
+                    break;
+                }
+            }
+        }
+    }
+};
+
+// Track classification tree
+class TPatternTree {
+public:
+    // Per-node classifier by probe name
+    class TClassifyByProbe : public TClassifier {
+    private:
         using TChildren = THashMap<NLWTrace::TProbe*, TPatternNode>;
-        TChildren Children; 
+        TChildren Children;
         TVector<TChildren::value_type*> SortedChildren;
-    public: 
-        explicit TClassifyByProbe(TPatternNode* node) 
-            : TClassifier(node, NT_PROBE) 
-        {} 
- 
-        TPatternNode* Classify(TTrackIter cur, const TTrack& track) override 
-        { 
-            Y_UNUSED(track); 
-            const NLWTrace::TLogItem& item = *cur; 
-            TPatternNode* node = &Children[item.Probe]; 
-            node->Name = "/" + GetProbeName(item.Probe); 
-            node->Desc.Type = NT_PROBE; 
-            node->Desc.Probe = item.Probe; 
-            return node; 
-        } 
- 
-        void Accept(IVisitor* visitor) override 
-        { 
-            if (SortedChildren.size() != Children.size()) { 
-                SortedChildren.clear(); 
-                SortedChildren.reserve(Children.size()); 
-                for (auto i = Children.begin(), e = Children.end(); i != e; ++i) { 
-                    SortedChildren.push_back(&*i); 
-                } 
-                Sort(SortedChildren, [] (TChildren::value_type* lhs, TChildren::value_type* rhs) { 
-                    NLWTrace::TProbe* lp = lhs->first; 
-                    NLWTrace::TProbe* rp = rhs->first; 
-                    if (int cmp = strcmp(lp->Event.GetProvider(), rp->Event.GetProvider())) { 
-                        return cmp < 0; 
-                    } 
-                    return strcmp(lp->Event.Name, rp->Event.Name) < 0; 
-                }); 
-            } 
-            for (auto* kv : SortedChildren) { 
-                visitor->Visit(&kv->second); 
-            } 
-        } 
- 
-        bool IsLeaf() override { return Children.empty(); } 
-    }; 
- 
-    // Per-node classifier by probe param value 
-    class TClassifyByParam : public TClassifier { 
-    private: 
-        size_t Rollbacks; // How many items should we look back in track to locate probe 
+    public:
+        explicit TClassifyByProbe(TPatternNode* node)
+            : TClassifier(node, NT_PROBE)
+        {}
+
+        TPatternNode* Classify(TTrackIter cur, const TTrack& track) override
+        {
+            Y_UNUSED(track);
+            const NLWTrace::TLogItem& item = *cur;
+            TPatternNode* node = &Children[item.Probe];
+            node->Name = "/" + GetProbeName(item.Probe);
+            node->Desc.Type = NT_PROBE;
+            node->Desc.Probe = item.Probe;
+            return node;
+        }
+
+        void Accept(IVisitor* visitor) override
+        {
+            if (SortedChildren.size() != Children.size()) {
+                SortedChildren.clear();
+                SortedChildren.reserve(Children.size());
+                for (auto i = Children.begin(), e = Children.end(); i != e; ++i) {
+                    SortedChildren.push_back(&*i);
+                }
+                Sort(SortedChildren, [] (TChildren::value_type* lhs, TChildren::value_type* rhs) {
+                    NLWTrace::TProbe* lp = lhs->first;
+                    NLWTrace::TProbe* rp = rhs->first;
+                    if (int cmp = strcmp(lp->Event.GetProvider(), rp->Event.GetProvider())) {
+                        return cmp < 0;
+                    }
+                    return strcmp(lp->Event.Name, rp->Event.Name) < 0;
+                });
+            }
+            for (auto* kv : SortedChildren) {
+                visitor->Visit(&kv->second);
+            }
+        }
+
+        bool IsLeaf() override { return Children.empty(); }
+    };
+
+    // Per-node classifier by probe param value
+    class TClassifyByParam : public TClassifier {
+    private:
+        size_t Rollbacks; // How many items should we look back in track to locate probe
         TString ParamName;
         using TChildren = THashMap<TString, TPatternNode>;
-        TChildren Children; 
+        TChildren Children;
         TVector<TChildren::value_type*> SortedChildren;
-    public: 
+    public:
         TClassifyByParam(TPatternNode* node, size_t rollbacks, const TString& paramName)
-            : TClassifier(node, NT_PARAM, true) 
-            , Rollbacks(rollbacks) 
-            , ParamName(paramName) 
-        {} 
- 
-        TPatternNode* Classify(TTrackIter cur, const TTrack& track) override 
-        { 
-            WWW_CHECK((i64)Rollbacks >= 0 && std::distance(TTrackTr::begin(track), cur) >= (i64)Rollbacks, "wrong rollbacks in node '%s'", 
+            : TClassifier(node, NT_PARAM, true)
+            , Rollbacks(rollbacks)
+            , ParamName(paramName)
+        {}
+
+        TPatternNode* Classify(TTrackIter cur, const TTrack& track) override
+        {
+            WWW_CHECK((i64)Rollbacks >= 0 && std::distance(TTrackTr::begin(track), cur) >= (i64)Rollbacks, "wrong rollbacks in node '%s'",
                       Node->GetPath().data());
-            const NLWTrace::TLogItem& item = *(cur - Rollbacks); 
-            WWW_CHECK(item.SavedParamsCount > 0, "classify by params on probe w/o param loggging in node '%s'", 
+            const NLWTrace::TLogItem& item = *(cur - Rollbacks);
+            WWW_CHECK(item.SavedParamsCount > 0, "classify by params on probe w/o param loggging in node '%s'",
                       Node->GetPath().data());
             TString paramValues[LWTRACE_MAX_PARAMS];
             TString* paramValue = nullptr;
-            item.Probe->Event.Signature.SerializeParams(item.Params, paramValues); 
-            for (size_t pi = 0; pi < item.SavedParamsCount; pi++) { 
-                if (item.Probe->Event.Signature.ParamNames[pi] == ParamName) { 
-                    paramValue = &paramValues[pi]; 
-                } 
-            } 
-            WWW_CHECK(paramValue, "param '%s' not found in probe '%s' at path '%s'", 
+            item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
+            for (size_t pi = 0; pi < item.SavedParamsCount; pi++) {
+                if (item.Probe->Event.Signature.ParamNames[pi] == ParamName) {
+                    paramValue = &paramValues[pi];
+                }
+            }
+            WWW_CHECK(paramValue, "param '%s' not found in probe '%s' at path '%s'",
                       ParamName.data(), GetProbeName(item.Probe).data(), Node->GetPath().data());
- 
-            TPatternNode* node = &Children[*paramValue]; 
-            // Path example: "//Provider1.Probe1/Provider2.Probe2@1.xxx=123@2.type=harakiri" 
-            node->Name = "@" + ToString(Rollbacks) + "." + ParamName + "=" + *paramValue; 
-            node->Desc.Type = NT_PARAM; 
-            node->Desc.Rollbacks = Rollbacks; 
-            node->Desc.ParamName = ParamName; 
-            node->Desc.ParamValue = *paramValue; 
-            return node; 
-        } 
- 
-        void Accept(IVisitor* visitor) override 
-        { 
-            if (SortedChildren.size() != Children.size()) { 
-                SortedChildren.clear(); 
-                SortedChildren.reserve(Children.size()); 
-                for (auto i = Children.begin(), e = Children.end(); i != e; ++i) { 
-                    SortedChildren.push_back(&*i); 
-                } 
-                Sort(SortedChildren, [] (TChildren::value_type* lhs, TChildren::value_type* rhs) { 
-                    return lhs->first < rhs->first; 
-                }); 
-            } 
-            for (auto* kv : SortedChildren) { 
-                visitor->Visit(&kv->second); 
-            } 
-        } 
- 
-        bool IsLeaf() override { return Children.empty(); } 
-    }; 
-private: 
-    TPatternNode Root; 
+
+            TPatternNode* node = &Children[*paramValue];
+            // Path example: "//Provider1.Probe1/Provider2.Probe2@1.xxx=123@2.type=harakiri"
+            node->Name = "@" + ToString(Rollbacks) + "." + ParamName + "=" + *paramValue;
+            node->Desc.Type = NT_PARAM;
+            node->Desc.Rollbacks = Rollbacks;
+            node->Desc.ParamName = ParamName;
+            node->Desc.ParamValue = *paramValue;
+            return node;
+        }
+
+        void Accept(IVisitor* visitor) override
+        {
+            if (SortedChildren.size() != Children.size()) {
+                SortedChildren.clear();
+                SortedChildren.reserve(Children.size());
+                for (auto i = Children.begin(), e = Children.end(); i != e; ++i) {
+                    SortedChildren.push_back(&*i);
+                }
+                Sort(SortedChildren, [] (TChildren::value_type* lhs, TChildren::value_type* rhs) {
+                    return lhs->first < rhs->first;
+                });
+            }
+            for (auto* kv : SortedChildren) {
+                visitor->Visit(&kv->second);
+            }
+        }
+
+        bool IsLeaf() override { return Children.empty(); }
+    };
+private:
+    TPatternNode Root;
     THashMap<TString, std::pair<size_t, TString>> ParamClassifiers; // path -> (rollbacks, param)
     TString SelectedPattern;
-    TPatternNode* SelectedNode = nullptr; 
+    TPatternNode* SelectedNode = nullptr;
     TVector<ui64> Timeline; // Just to avoid reallocations
-public: 
-    TPatternTree(const TCgiParameters& e) 
-    { 
+public:
+    TPatternTree(const TCgiParameters& e)
+    {
         for (const TString& cl : Subvalues(e, "classify")) {
-            size_t at = cl.find_last_of('@'); 
+            size_t at = cl.find_last_of('@');
             if (at != TString::npos) {
-                size_t dot = cl.find('.', at + 1); 
+                size_t dot = cl.find('.', at + 1);
                 if (dot != TString::npos) {
-                    size_t rollbacks = FromString<size_t>(cl.substr(at + 1, dot - at - 1)); 
-                    ParamClassifiers[cl.substr(0, at)] = std::make_pair(rollbacks, cl.substr(dot + 1)); 
-                } 
-            } 
-        } 
-        SelectedPattern = e.Get("pattern"); 
-        InitNode(&Root, nullptr); 
-    } 
- 
-    TPatternNode* GetSelectedNode() 
-    { 
-        return SelectedNode; 
-    } 
- 
-    NAnalytics::TTable GetSelectedTable() 
-    { 
-        if (SelectedNode) { 
-            return SelectedNode->GetTable(); 
-        } else { 
-            return NAnalytics::TTable(); 
-        } 
-    } 
- 
+                    size_t rollbacks = FromString<size_t>(cl.substr(at + 1, dot - at - 1));
+                    ParamClassifiers[cl.substr(0, at)] = std::make_pair(rollbacks, cl.substr(dot + 1));
+                }
+            }
+        }
+        SelectedPattern = e.Get("pattern");
+        InitNode(&Root, nullptr);
+    }
+
+    TPatternNode* GetSelectedNode()
+    {
+        return SelectedNode;
+    }
+
+    NAnalytics::TTable GetSelectedTable()
+    {
+        if (SelectedNode) {
+            return SelectedNode->GetTable();
+        } else {
+            return NAnalytics::TTable();
+        }
+    }
+
     template <typename TReader>
     void OutputSelectedSample(const TString& bn, double b1, double b2, const TSampleOpts& opts, TReader& reader)
-    { 
-        if (SelectedNode) { 
+    {
+        if (SelectedNode) {
             SelectedNode->OutputSample(bn, b1, b2, opts, reader);
-        } 
-    } 
- 
-    // Register track in given node 
+        }
+    }
+
+    // Register track in given node
     void AddTrackToNode(TPatternNode* node, TTrack& track, ui64 resTotal, TVector<ui64>& timeline)
-    { 
-        if (!SelectedNode) { 
-            if (node->GetPath() == SelectedPattern) { 
-                SelectedNode = node; 
-            } 
-        } 
- 
-        // Counting 
-        node->TrackCount++; 
- 
-        // Resource total 
-        node->ResTotalSum += resTotal; 
-        node->ResTotalMax = Max(node->ResTotalMax, resTotal); 
-        node->ResTotalAll.push_back(resTotal); 
- 
-        // Resource last 
-        ui64 resLast = 0; 
-        resLast = resTotal - (timeline.size() < 2? 0: timeline[timeline.size() - 2]); 
-        node->ResLastSum += resLast; 
-        node->ResLastMax = Max(node->ResLastMax, resLast); 
-        node->ResLastAll.push_back(resLast); 
- 
-        // Timeline 
-        if (node->TimelineSum.size() < timeline.size()) { 
-            node->TimelineSum.resize(timeline.size()); 
-        } 
-        for (size_t i = 0; i < timeline.size(); i++) { 
-            node->TimelineSum[i] += timeline[i]; 
-        } 
- 
-        if (node == SelectedNode && !timeline.empty()) { 
-            node->Slices.emplace_back(); 
-            NAnalytics::TRow& row = node->Slices.back(); 
-            ui64 prev = 0; 
-            for (size_t i = 0; i < timeline.size(); i++) { 
-                // Note that col names should go in lexicographical order 
-                // in the same way as slices go in pattern timeline 
-                double sliceMs = double(timeline[i] - prev) * 1000.0 / NHPTimer::GetClockRate(); 
-                row[Sprintf("%09lu", i)] = sliceMs; 
-                prev = timeline[i]; 
-            } 
-        } 
- 
-        // Interlink node and track 
-        node->Tracks.emplace_back(&track, resTotal, resLast); 
-        track.LastNode = node; 
-    } 
- 
-    bool CheckPattern(const char*& pi, const char* pe, TStringBuf str) 
-    { 
-        auto si = str.begin(), se = str.end(); 
-        for (;pi != pe && si != se; ++pi, ++si) { 
-            if (*pi != *si) { 
-                return false; 
-            } 
-        } 
-        return si == se; 
-    } 
- 
-#define WWW_CHECK_PATTERN(str) if (!CheckPattern(pi, pe, (str))) { return false; } 
- 
+    {
+        if (!SelectedNode) {
+            if (node->GetPath() == SelectedPattern) {
+                SelectedNode = node;
+            }
+        }
+
+        // Counting
+        node->TrackCount++;
+
+        // Resource total
+        node->ResTotalSum += resTotal;
+        node->ResTotalMax = Max(node->ResTotalMax, resTotal);
+        node->ResTotalAll.push_back(resTotal);
+
+        // Resource last
+        ui64 resLast = 0;
+        resLast = resTotal - (timeline.size() < 2? 0: timeline[timeline.size() - 2]);
+        node->ResLastSum += resLast;
+        node->ResLastMax = Max(node->ResLastMax, resLast);
+        node->ResLastAll.push_back(resLast);
+
+        // Timeline
+        if (node->TimelineSum.size() < timeline.size()) {
+            node->TimelineSum.resize(timeline.size());
+        }
+        for (size_t i = 0; i < timeline.size(); i++) {
+            node->TimelineSum[i] += timeline[i];
+        }
+
+        if (node == SelectedNode && !timeline.empty()) {
+            node->Slices.emplace_back();
+            NAnalytics::TRow& row = node->Slices.back();
+            ui64 prev = 0;
+            for (size_t i = 0; i < timeline.size(); i++) {
+                // Note that col names should go in lexicographical order
+                // in the same way as slices go in pattern timeline
+                double sliceMs = double(timeline[i] - prev) * 1000.0 / NHPTimer::GetClockRate();
+                row[Sprintf("%09lu", i)] = sliceMs;
+                prev = timeline[i];
+            }
+        }
+
+        // Interlink node and track
+        node->Tracks.emplace_back(&track, resTotal, resLast);
+        track.LastNode = node;
+    }
+
+    bool CheckPattern(const char*& pi, const char* pe, TStringBuf str)
+    {
+        auto si = str.begin(), se = str.end();
+        for (;pi != pe && si != se; ++pi, ++si) {
+            if (*pi != *si) {
+                return false;
+            }
+        }
+        return si == se;
+    }
+
+#define WWW_CHECK_PATTERN(str) if (!CheckPattern(pi, pe, (str))) { return false; }
+
     bool MatchTrack(const TTrack& track, const TString& patternStr)
-    { 
+    {
         const char* pi = patternStr.data();
         const char* pe = pi + patternStr.size();
-        WWW_CHECK_PATTERN("/"); 
-        for (TTrackIter i = TTrackTr::begin(track), e = TTrackTr::end(track); i != e; ++i) { 
-            if (pi == pe) { 
-                return true; 
-            } 
-            const NLWTrace::TLogItem& item = *i; 
-            WWW_CHECK_PATTERN("/"); 
-            WWW_CHECK_PATTERN(item.Probe->Event.GetProvider()); 
-            WWW_CHECK_PATTERN("."); 
-            WWW_CHECK_PATTERN(item.Probe->Event.Name); 
-            while (true) { 
-                if (pi == pe) { 
-                    return true; 
-                } 
-                char c = *pi; 
-                if (c == '/') { 
-                    break; 
-                } else if (c == '@') { 
-                    pi++; 
-                    // Parse rollbacks 
-                    TStringBuf p(pi, pe); 
-                    size_t dot = p.find('.'); 
-                    if (dot == TStringBuf::npos) { 
-                        return false; 
-                    } 
-                    size_t rollbacks = 0; 
-                    try { 
-                        rollbacks = FromString<size_t>(p.substr(0, dot)); 
-                    } catch (...) { 
-                        return false; 
-                    } 
- 
-                    // Parse param name 
-                    size_t equals = p.find('=', dot + 1); 
-                    if (equals == TStringBuf::npos) { 
-                        return false; 
-                    } 
-                    TStringBuf paramName = p.substr(dot + 1, equals - dot - 1); 
- 
-                    pi += equals + 1; // Advance to value 
- 
-                    // Check param value 
-                    if ((i64)rollbacks < 0 || std::distance(TTrackTr::begin(track), i) < (i64)rollbacks) { 
-                        return false; 
-                    } 
-                    const NLWTrace::TLogItem& mitem = *(i - rollbacks); 
-                    if (mitem.SavedParamsCount == 0) { 
-                        return false; 
-                    } 
+        WWW_CHECK_PATTERN("/");
+        for (TTrackIter i = TTrackTr::begin(track), e = TTrackTr::end(track); i != e; ++i) {
+            if (pi == pe) {
+                return true;
+            }
+            const NLWTrace::TLogItem& item = *i;
+            WWW_CHECK_PATTERN("/");
+            WWW_CHECK_PATTERN(item.Probe->Event.GetProvider());
+            WWW_CHECK_PATTERN(".");
+            WWW_CHECK_PATTERN(item.Probe->Event.Name);
+            while (true) {
+                if (pi == pe) {
+                    return true;
+                }
+                char c = *pi;
+                if (c == '/') {
+                    break;
+                } else if (c == '@') {
+                    pi++;
+                    // Parse rollbacks
+                    TStringBuf p(pi, pe);
+                    size_t dot = p.find('.');
+                    if (dot == TStringBuf::npos) {
+                        return false;
+                    }
+                    size_t rollbacks = 0;
+                    try {
+                        rollbacks = FromString<size_t>(p.substr(0, dot));
+                    } catch (...) {
+                        return false;
+                    }
+
+                    // Parse param name
+                    size_t equals = p.find('=', dot + 1);
+                    if (equals == TStringBuf::npos) {
+                        return false;
+                    }
+                    TStringBuf paramName = p.substr(dot + 1, equals - dot - 1);
+
+                    pi += equals + 1; // Advance to value
+
+                    // Check param value
+                    if ((i64)rollbacks < 0 || std::distance(TTrackTr::begin(track), i) < (i64)rollbacks) {
+                        return false;
+                    }
+                    const NLWTrace::TLogItem& mitem = *(i - rollbacks);
+                    if (mitem.SavedParamsCount == 0) {
+                        return false;
+                    }
                     TString paramValues[LWTRACE_MAX_PARAMS];
                     TString* paramValue = nullptr;
-                    mitem.Probe->Event.Signature.SerializeParams(mitem.Params, paramValues); 
-                    for (size_t pi = 0; pi < mitem.SavedParamsCount; pi++) { 
-                        if (mitem.Probe->Event.Signature.ParamNames[pi] == paramName) { 
-                            paramValue = &paramValues[pi]; 
-                        } 
-                    } 
-                    if (!paramValue) { 
-                        return false; 
-                    } 
-                    WWW_CHECK_PATTERN(*paramValue); 
-                } else { 
-                    return false; 
-                } 
-            } 
-        } 
-        return true; 
-    } 
- 
-#undef WWW_CHECK_PATTERN 
- 
-    // Push new track through pattern tree 
-    void AddTrack(TTrack& track) 
-    { 
-        // Truncate long tracks 
-        if (track.Items.size() > 50) { 
-            track.Items.resize(50); 
-        } 
- 
-        if (SelectedPattern) { 
-            if (!MatchTrack(track, SelectedPattern)) { 
-                return; 
-            } 
-        } 
- 
-        Timeline.clear(); 
-        TPatternNode* node = &Root; 
-        AddTrackToNode(node, track, 0, Timeline); 
-        ui64 trackStart = TTrackTr::front(track).TimestampCycles; 
-        for (TTrackIter i = TTrackTr::begin(track), e = TTrackTr::end(track); i != e;) { 
-            // Get or create child by classification 
-            TPatternNode* parent = node; 
-            node = node->Classifier->Classify(i, track); 
-            if (!node->Classifier) { 
-                InitNode(node, parent); 
-            } 
- 
-            const NLWTrace::TLogItem& item = *i; 
-            ui64 resTotal = item.TimestampCycles - trackStart; 
-            if (i != TTrackTr::begin(track)) { 
-                Timeline.push_back(resTotal); 
-            } 
-            AddTrackToNode(node, track, resTotal, Timeline); 
- 
-            // Move through track 
-            if (!node->Classifier->KeepHead) { 
-                ++i; 
-            } 
-        } 
-    } 
- 
-    // Traverse pattern tree (the only way to extract data from it) 
-    template <class TOnNode, class TOnDescend, class TOnAscend> 
-    void Traverse(TOnNode&& onNode, TOnDescend&& onDescend, TOnAscend&& onAscend) 
-    { 
-        struct TVisitor : public IVisitor { 
-            TOnNode OnNode; 
-            TOnDescend OnDescend; 
-            TOnAscend OnAscend; 
-            TVisitor(TOnNode&& onNode, TOnDescend&& onDescend, TOnAscend&& onAscend) 
-                : OnNode(onNode) 
-                , OnDescend(onDescend) 
-                , OnAscend(onAscend) 
-            {} 
-            virtual void Visit(TPatternNode* node) override 
-            { 
-                OnNode(node); 
-                if (!node->Classifier->IsLeaf()) { 
-                    OnDescend(); 
-                    node->Classifier->Accept(this); 
-                    OnAscend(); 
-                } 
-            } 
-        }; 
-        TVisitor visitor(std::move(onNode), std::move(onDescend), std::move(onAscend)); 
-        visitor.Visit(&Root); 
-    } 
- 
-    TPatternNode* GetRoot() 
-    { 
-        return &Root; 
-    } 
- 
-private: 
-    void InitNode(TPatternNode* node, TPatternNode* parent) 
-    { 
-        node->Parent = parent; 
-        auto iter = ParamClassifiers.find(node->GetPath()); 
-        if (iter != ParamClassifiers.end()) { 
-            node->Classifier.Reset(new TClassifyByParam(node, iter->second.first, iter->second.second)); 
-        } else { 
-            node->Classifier.Reset(new TClassifyByProbe(node)); 
-        } 
-    } 
-}; 
- 
-class TLogTrackExtractor: public TLogFilter { 
-private: 
-    // Data storage 
+                    mitem.Probe->Event.Signature.SerializeParams(mitem.Params, paramValues);
+                    for (size_t pi = 0; pi < mitem.SavedParamsCount; pi++) {
+                        if (mitem.Probe->Event.Signature.ParamNames[pi] == paramName) {
+                            paramValue = &paramValues[pi];
+                        }
+                    }
+                    if (!paramValue) {
+                        return false;
+                    }
+                    WWW_CHECK_PATTERN(*paramValue);
+                } else {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
+#undef WWW_CHECK_PATTERN
+
+    // Push new track through pattern tree
+    void AddTrack(TTrack& track)
+    {
+        // Truncate long tracks
+        if (track.Items.size() > 50) {
+            track.Items.resize(50);
+        }
+
+        if (SelectedPattern) {
+            if (!MatchTrack(track, SelectedPattern)) {
+                return;
+            }
+        }
+
+        Timeline.clear();
+        TPatternNode* node = &Root;
+        AddTrackToNode(node, track, 0, Timeline);
+        ui64 trackStart = TTrackTr::front(track).TimestampCycles;
+        for (TTrackIter i = TTrackTr::begin(track), e = TTrackTr::end(track); i != e;) {
+            // Get or create child by classification
+            TPatternNode* parent = node;
+            node = node->Classifier->Classify(i, track);
+            if (!node->Classifier) {
+                InitNode(node, parent);
+            }
+
+            const NLWTrace::TLogItem& item = *i;
+            ui64 resTotal = item.TimestampCycles - trackStart;
+            if (i != TTrackTr::begin(track)) {
+                Timeline.push_back(resTotal);
+            }
+            AddTrackToNode(node, track, resTotal, Timeline);
+
+            // Move through track
+            if (!node->Classifier->KeepHead) {
+                ++i;
+            }
+        }
+    }
+
+    // Traverse pattern tree (the only way to extract data from it)
+    template <class TOnNode, class TOnDescend, class TOnAscend>
+    void Traverse(TOnNode&& onNode, TOnDescend&& onDescend, TOnAscend&& onAscend)
+    {
+        struct TVisitor : public IVisitor {
+            TOnNode OnNode;
+            TOnDescend OnDescend;
+            TOnAscend OnAscend;
+            TVisitor(TOnNode&& onNode, TOnDescend&& onDescend, TOnAscend&& onAscend)
+                : OnNode(onNode)
+                , OnDescend(onDescend)
+                , OnAscend(onAscend)
+            {}
+            virtual void Visit(TPatternNode* node) override
+            {
+                OnNode(node);
+                if (!node->Classifier->IsLeaf()) {
+                    OnDescend();
+                    node->Classifier->Accept(this);
+                    OnAscend();
+                }
+            }
+        };
+        TVisitor visitor(std::move(onNode), std::move(onDescend), std::move(onAscend));
+        visitor.Visit(&Root);
+    }
+
+    TPatternNode* GetRoot()
+    {
+        return &Root;
+    }
+
+private:
+    void InitNode(TPatternNode* node, TPatternNode* parent)
+    {
+        node->Parent = parent;
+        auto iter = ParamClassifiers.find(node->GetPath());
+        if (iter != ParamClassifiers.end()) {
+            node->Classifier.Reset(new TClassifyByParam(node, iter->second.first, iter->second.second));
+        } else {
+            node->Classifier.Reset(new TClassifyByProbe(node));
+        }
+    }
+};
+
+class TLogTrackExtractor: public TLogFilter {
+private:
+    // Data storage
     TMultiMap<ui64, std::pair<TThread::TId, NLWTrace::TLogItem>> Items;
     TVector<NLWTrace::TTrackLog> Depot;
- 
-    // Data refs organized in tracks 
+
+    // Data refs organized in tracks
     THashMap<TString, TTrack> Tracks;
     TVector<TTrack> TracksFromDepot;
- 
-    // Analysis 
+
+    // Analysis
     TVector<TString> GroupBy;
     THashSet<TString> TrackIds; // The same content as in GroupBy
-    TTimestampCutter CutTs; 
-    TPatternTree Tree; 
-public: 
+    TTimestampCutter CutTs;
+    TPatternTree Tree;
+public:
     TLogTrackExtractor(const TCgiParameters& e, const TVector<TString>& filters, const TVector<TString>& groupBy)
-        : TLogFilter(filters) 
-        , CutTs(true) // Always cut input data for tracks 
-        , Tree(e) 
-    { 
+        : TLogFilter(filters)
+        , CutTs(true) // Always cut input data for tracks
+        , Tree(e)
+    {
         for (const TString& groupParam : groupBy) {
-            GroupBy.push_back(groupParam); 
-            TrackIds.insert(groupParam); 
-        } 
-    } 
- 
-    // For reading lwtrace log (input point for all data) 
-    void Push(TThread::TId tid, const NLWTrace::TLogItem& item) 
-    { 
-        CutTs.Push(tid, item); 
-        if (Filter(item)) { 
-            Items.emplace(item.TimestampCycles, std::make_pair(tid, item)); 
-        } 
-    } 
- 
-    // For reading lwtrace depot (input point for all data) 
-    void Push(TThread::TId, const NLWTrace::TTrackLog& tl) 
-    { 
-        if (Filter(tl)) { 
-            Depot.emplace_back(tl); 
-        } 
-    } 
- 
-    // Analyze logs that have been read 
-    void Run() 
-    { 
-        RunImplLog(); 
-        RunImplDepot(); 
-    } 
- 
-    void RunImplLog() 
-    { 
-        // Create tracks by filling them with lwtrace items in order of occurance time 
-        for (auto& kv : Items) { 
-            AddItemToTrack(kv.second.first, kv.second.second); 
-        } 
-        // Push tracks throught pattern tree 
-        for (auto& kv : Tracks) { 
-            TTrack& track = kv.second; 
-            track.TrackId = kv.first; 
-            Tree.AddTrack(track); 
-        } 
-    } 
- 
-    void RunImplDepot() 
-    { 
-        // Create tracks from depot 
-        // OPTIMIZE[serxa]: this convertion is not necessary, done just to keep things simple 
-        for (NLWTrace::TTrackLog& tl : Depot) { 
-            TTrack& track = TracksFromDepot.emplace_back(); 
-            track.TrackId = ToString(tl.Id); 
-            for (const NLWTrace::TTrackLog::TItem& i : tl.Items) { 
-                track.Items.emplace_back(i.ThreadId, i); 
-            } 
-        } 
-        for (TTrack& t : TracksFromDepot) { 
-            Tree.AddTrack(t); 
-        } 
-    } 
- 
-    // Selected node distribution 
-    NAnalytics::TTable Distribution(const TString& bn, const TString& b1Str, const TString& b2Str, const TString& widthStr) 
-    { 
-        using namespace NAnalytics; 
- 
-        const NAnalytics::TTable& inputTable = Tree.GetSelectedTable(); 
-        double b1 = b1Str? FromString<double>(b1Str): MinValue(bn, inputTable); 
-        double b2 = b2Str? FromString<double>(b2Str): MaxValue(bn, inputTable); 
-        if (isfinite(b1) && isfinite(b2)) { 
-            WWW_CHECK(b1 <= b2, "invalid xrange [%le; %le]", b1, b2); 
-            double width = widthStr? FromString<double>(widthStr): 99; 
-            double dx = (b2 - b1) / width; 
-            if (!(dx > 0)) { 
-                dx = 1.0; 
-            } 
-            return HistogramAll(inputTable, bn, b1, b2, dx); 
-        } else { 
-            // Empty table -- it's ok -- leave data table empty 
-            return NAnalytics::TTable(); 
-        } 
-    } 
- 
-    // Selected sample 
+            GroupBy.push_back(groupParam);
+            TrackIds.insert(groupParam);
+        }
+    }
+
+    // For reading lwtrace log (input point for all data)
+    void Push(TThread::TId tid, const NLWTrace::TLogItem& item)
+    {
+        CutTs.Push(tid, item);
+        if (Filter(item)) {
+            Items.emplace(item.TimestampCycles, std::make_pair(tid, item));
+        }
+    }
+
+    // For reading lwtrace depot (input point for all data)
+    void Push(TThread::TId, const NLWTrace::TTrackLog& tl)
+    {
+        if (Filter(tl)) {
+            Depot.emplace_back(tl);
+        }
+    }
+
+    // Analyze logs that have been read
+    void Run()
+    {
+        RunImplLog();
+        RunImplDepot();
+    }
+
+    void RunImplLog()
+    {
+        // Create tracks by filling them with lwtrace items in order of occurance time
+        for (auto& kv : Items) {
+            AddItemToTrack(kv.second.first, kv.second.second);
+        }
+        // Push tracks throught pattern tree
+        for (auto& kv : Tracks) {
+            TTrack& track = kv.second;
+            track.TrackId = kv.first;
+            Tree.AddTrack(track);
+        }
+    }
+
+    void RunImplDepot()
+    {
+        // Create tracks from depot
+        // OPTIMIZE[serxa]: this convertion is not necessary, done just to keep things simple
+        for (NLWTrace::TTrackLog& tl : Depot) {
+            TTrack& track = TracksFromDepot.emplace_back();
+            track.TrackId = ToString(tl.Id);
+            for (const NLWTrace::TTrackLog::TItem& i : tl.Items) {
+                track.Items.emplace_back(i.ThreadId, i);
+            }
+        }
+        for (TTrack& t : TracksFromDepot) {
+            Tree.AddTrack(t);
+        }
+    }
+
+    // Selected node distribution
+    NAnalytics::TTable Distribution(const TString& bn, const TString& b1Str, const TString& b2Str, const TString& widthStr)
+    {
+        using namespace NAnalytics;
+
+        const NAnalytics::TTable& inputTable = Tree.GetSelectedTable();
+        double b1 = b1Str? FromString<double>(b1Str): MinValue(bn, inputTable);
+        double b2 = b2Str? FromString<double>(b2Str): MaxValue(bn, inputTable);
+        if (isfinite(b1) && isfinite(b2)) {
+            WWW_CHECK(b1 <= b2, "invalid xrange [%le; %le]", b1, b2);
+            double width = widthStr? FromString<double>(widthStr): 99;
+            double dx = (b2 - b1) / width;
+            if (!(dx > 0)) {
+                dx = 1.0;
+            }
+            return HistogramAll(inputTable, bn, b1, b2, dx);
+        } else {
+            // Empty table -- it's ok -- leave data table empty
+            return NAnalytics::TTable();
+        }
+    }
+
+    // Selected sample
     template <typename TReader>
     void OutputSample(const TString& bn, double b1, double b2, const TSampleOpts& opts, TReader& reader)
-    { 
+    {
         Tree.OutputSelectedSample(bn, b1, b2, opts, reader);
-    } 
- 
-    // Tabular representation of tracks data 
+    }
+
+    // Tabular representation of tracks data
     void OutputTable(IOutputStream& os, const TCgiParameters& e)
-    { 
-        ui64 tracksTotal = Tree.GetRoot()->TrackCount; 
- 
-        double maxAvgResTotal = 0; 
-        double maxMaxResTotal = 0; 
-        Tree.Traverse([&] (TPatternNode* node) { 
-            if (node->TrackCount > 0) { 
-                maxAvgResTotal = Max(maxAvgResTotal, double(node->ResTotalSum) / node->TrackCount); 
-                maxMaxResTotal = Max(maxMaxResTotal, double(node->ResTotalMax)); 
-                Sort(node->ResTotalAll); 
-                Sort(node->ResLastAll); 
-            } 
-        }, [&] () { // On descend 
-        }, [&] () { // On ascend 
-        }); 
-        double maxTime = Min(maxMaxResTotal, 1.25 * maxAvgResTotal); 
- 
-        double percentile = e.Get("ile")? FromString<double>(e.Get("ile")): 90; 
-        WWW_CHECK(percentile >= 0.0 && percentile <= 100.0, "wrong percentile: %lf", percentile); 
- 
-        ui64 row = 0; 
+    {
+        ui64 tracksTotal = Tree.GetRoot()->TrackCount;
+
+        double maxAvgResTotal = 0;
+        double maxMaxResTotal = 0;
+        Tree.Traverse([&] (TPatternNode* node) {
+            if (node->TrackCount > 0) {
+                maxAvgResTotal = Max(maxAvgResTotal, double(node->ResTotalSum) / node->TrackCount);
+                maxMaxResTotal = Max(maxMaxResTotal, double(node->ResTotalMax));
+                Sort(node->ResTotalAll);
+                Sort(node->ResLastAll);
+            }
+        }, [&] () { // On descend
+        }, [&] () { // On ascend
+        });
+        double maxTime = Min(maxMaxResTotal, 1.25 * maxAvgResTotal);
+
+        double percentile = e.Get("ile")? FromString<double>(e.Get("ile")): 90;
+        WWW_CHECK(percentile >= 0.0 && percentile <= 100.0, "wrong percentile: %lf", percentile);
+
+        ui64 row = 0;
         TVector<ui64> chain;
-        HTML(os) { 
-            TABLE_CLASS("tracks-tree") { 
-                TABLEHEAD() { 
-                    os << "<tr>"; 
-                    os << "<td rowspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">#</td>"; 
-                    os << "<td rowspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">Pattern</td>"; 
-                    os << "<td rowspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">"; 
-                    DIV_CLASS("rotate") { os << "Track Count"; } 
-                    os << "</td>"; 
-                    os << "<td colspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">Share</td>"; 
-                    os << "<td colspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">Total, ms</td>"; 
-                    os << "<td colspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">Last, ms</td>"; 
-                    os << "<td rowspan=\"2\" style=\"vertical-align:bottom\" class=\"timelinehead\" align=\"center\">Global Timeline</td>"; 
-                    os << "</tr><tr>"; 
-                    TABLEH() DIV_CLASS("rotate") { os << "Absolute"; } 
-                    TABLEH() DIV_CLASS("rotate") { os << "Relative"; } 
-                    TABLEH() DIV_CLASS("rotate") { os << "Average"; } 
-                    TABLEH() DIV_CLASS("rotate") { os << percentile << "%-ile"; } 
-                    TABLEH() DIV_CLASS("rotate") { os << "Average"; } 
-                    TABLEH() DIV_CLASS("rotate") { os << percentile << "%-ile"; } 
-                    os << "</tr>"; 
-                } 
-                TABLEBODY() { 
-                    if (tracksTotal == 0) { 
-                        return; 
-                    } 
-                    Tree.Traverse([&] (TPatternNode* node) { 
+        HTML(os) {
+            TABLE_CLASS("tracks-tree") {
+                TABLEHEAD() {
+                    os << "<tr>";
+                    os << "<td rowspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">#</td>";
+                    os << "<td rowspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">Pattern</td>";
+                    os << "<td rowspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">";
+                    DIV_CLASS("rotate") { os << "Track Count"; }
+                    os << "</td>";
+                    os << "<td colspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">Share</td>";
+                    os << "<td colspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">Total, ms</td>";
+                    os << "<td colspan=\"2\" style=\"vertical-align:bottom\" align=\"center\">Last, ms</td>";
+                    os << "<td rowspan=\"2\" style=\"vertical-align:bottom\" class=\"timelinehead\" align=\"center\">Global Timeline</td>";
+                    os << "</tr><tr>";
+                    TABLEH() DIV_CLASS("rotate") { os << "Absolute"; }
+                    TABLEH() DIV_CLASS("rotate") { os << "Relative"; }
+                    TABLEH() DIV_CLASS("rotate") { os << "Average"; }
+                    TABLEH() DIV_CLASS("rotate") { os << percentile << "%-ile"; }
+                    TABLEH() DIV_CLASS("rotate") { os << "Average"; }
+                    TABLEH() DIV_CLASS("rotate") { os << percentile << "%-ile"; }
+                    os << "</tr>";
+                }
+                TABLEBODY() {
+                    if (tracksTotal == 0) {
+                        return;
+                    }
+                    Tree.Traverse([&] (TPatternNode* node) {
                         TString parentClass;
-                        if (!chain.empty()) { 
-                            parentClass = " treegrid-parent-" + ToString(chain.back()); 
-                        } 
+                        if (!chain.empty()) {
+                            parentClass = " treegrid-parent-" + ToString(chain.back());
+                        }
                         TString selectedClass;
-                        if (e.Get("pattern") == node->GetPath()) { 
-                            selectedClass = " danger"; 
-                        } 
-                        TABLER_CLASS("treegrid-" + ToString(++row) + parentClass + selectedClass) { 
-                            // Counting 
-                            ui64 tracksParent = node->Parent? node->Parent->TrackCount: tracksTotal; 
-                            double absShare = double(node->TrackCount) * 100 / tracksTotal; 
-                            double relShare = double(node->TrackCount) * 100 / tracksParent; 
- 
-                            // Resource total 
-                            double avgResTotal = double(node->ResTotalSum) / node->TrackCount; 
-                            size_t ileResTotalIdx = node->ResTotalAll.size() * percentile / 100; 
-                            if (ileResTotalIdx > 0) { 
-                                ileResTotalIdx--; 
-                            } 
-                            double ileResTotal = double(ileResTotalIdx >= node->ResTotalAll.size()? 0: node->ResTotalAll[ileResTotalIdx]); 
-                            double avgResTotalMs = avgResTotal * 1000.0 / NHPTimer::GetClockRate(); 
-                            double ileResTotalMs = ileResTotal * 1000.0 / NHPTimer::GetClockRate(); 
- 
-                            // Resource last 
-                            double avgResLast = double(node->ResLastSum) / node->TrackCount; 
-                            size_t ileResLastIdx = node->ResLastAll.size() * percentile / 100; 
-                            if (ileResLastIdx > 0) { 
-                                ileResLastIdx--; 
-                            } 
-                            double ileResLast = double(ileResLastIdx >= node->ResLastAll.size()? 0: node->ResLastAll[ileResLastIdx]); 
-                            double avgResLastMs = avgResLast * 1000.0 / NHPTimer::GetClockRate(); 
-                            double ileResLastMs = ileResLast * 1000.0 / NHPTimer::GetClockRate(); 
- 
-                            // Output 
-                            TABLED() { os << row; } 
-                            TABLED_CLASS("treegrid-element") { OutputPattern(os, e, node); } 
-                            TABLED() { os << node->TrackCount; } 
-                            TABLED() { OutputShare(os, absShare); } 
-                            TABLED() { OutputShare(os, relShare); } 
-                            TABLED() { os << FormatFloat(avgResTotalMs); } 
-                            TABLED() { os << FormatFloat(ileResTotalMs); } 
-                            TABLED() { os << FormatFloat(avgResLastMs); } 
-                            TABLED() { os << FormatFloat(ileResLastMs); } 
-                            TABLED() { OutputTimeline(os, MakeTimeline(node), maxTime); } 
-                        } 
-                    }, [&] () { // On descend 
-                        chain.push_back(row); 
-                    }, [&] () { // On ascend 
-                        chain.pop_back(); 
-                    }); 
-                } 
-            } 
-        } 
-    } 
- 
-    // Chromium-compatible trace representation of tracks data 
+                        if (e.Get("pattern") == node->GetPath()) {
+                            selectedClass = " danger";
+                        }
+                        TABLER_CLASS("treegrid-" + ToString(++row) + parentClass + selectedClass) {
+                            // Counting
+                            ui64 tracksParent = node->Parent? node->Parent->TrackCount: tracksTotal;
+                            double absShare = double(node->TrackCount) * 100 / tracksTotal;
+                            double relShare = double(node->TrackCount) * 100 / tracksParent;
+
+                            // Resource total
+                            double avgResTotal = double(node->ResTotalSum) / node->TrackCount;
+                            size_t ileResTotalIdx = node->ResTotalAll.size() * percentile / 100;
+                            if (ileResTotalIdx > 0) {
+                                ileResTotalIdx--;
+                            }
+                            double ileResTotal = double(ileResTotalIdx >= node->ResTotalAll.size()? 0: node->ResTotalAll[ileResTotalIdx]);
+                            double avgResTotalMs = avgResTotal * 1000.0 / NHPTimer::GetClockRate();
+                            double ileResTotalMs = ileResTotal * 1000.0 / NHPTimer::GetClockRate();
+
+                            // Resource last
+                            double avgResLast = double(node->ResLastSum) / node->TrackCount;
+                            size_t ileResLastIdx = node->ResLastAll.size() * percentile / 100;
+                            if (ileResLastIdx > 0) {
+                                ileResLastIdx--;
+                            }
+                            double ileResLast = double(ileResLastIdx >= node->ResLastAll.size()? 0: node->ResLastAll[ileResLastIdx]);
+                            double avgResLastMs = avgResLast * 1000.0 / NHPTimer::GetClockRate();
+                            double ileResLastMs = ileResLast * 1000.0 / NHPTimer::GetClockRate();
+
+                            // Output
+                            TABLED() { os << row; }
+                            TABLED_CLASS("treegrid-element") { OutputPattern(os, e, node); }
+                            TABLED() { os << node->TrackCount; }
+                            TABLED() { OutputShare(os, absShare); }
+                            TABLED() { OutputShare(os, relShare); }
+                            TABLED() { os << FormatFloat(avgResTotalMs); }
+                            TABLED() { os << FormatFloat(ileResTotalMs); }
+                            TABLED() { os << FormatFloat(avgResLastMs); }
+                            TABLED() { os << FormatFloat(ileResLastMs); }
+                            TABLED() { OutputTimeline(os, MakeTimeline(node), maxTime); }
+                        }
+                    }, [&] () { // On descend
+                        chain.push_back(row);
+                    }, [&] () { // On ascend
+                        chain.pop_back();
+                    });
+                }
+            }
+        }
+    }
+
+    // Chromium-compatible trace representation of tracks data
     void OutputChromeTrace(IOutputStream& os, const TCgiParameters& e)
-    { 
-        Y_UNUSED(e); 
-        TChromeTrace tr; 
-        for (TPatternNode::TTrackEntry& entry: Tree.GetRoot()->Tracks) { 
-            TTrack* track = entry.Track; 
-            auto first = TTrackTr::begin(*track); 
-            auto last = TTrackTr::rbegin(*track); 
- 
+    {
+        Y_UNUSED(e);
+        TChromeTrace tr;
+        for (TPatternNode::TTrackEntry& entry: Tree.GetRoot()->Tracks) {
+            TTrack* track = entry.Track;
+            auto first = TTrackTr::begin(*track);
+            auto last = TTrackTr::rbegin(*track);
+
             TString name = track->LastNode->GetPath();
- 
-            const NLWTrace::TLogItem& firstItem = *first; 
-            TThread::TId firstTid = first->ThreadId; 
-            tr.Add(firstTid, firstItem.TimestampCycles, "b", "track", nullptr, name, track->TrackId); 
- 
-            for (auto cur = TTrackTr::begin(*track), end = TTrackTr::end(*track); cur != end; ++cur) { 
-                const NLWTrace::TLogItem& item = *cur; 
- 
-                tr.Add(cur->ThreadId, item.TimestampCycles, "i", "event", &item, GetProbeName(item.Probe)); 
- 
+
+            const NLWTrace::TLogItem& firstItem = *first;
+            TThread::TId firstTid = first->ThreadId;
+            tr.Add(firstTid, firstItem.TimestampCycles, "b", "track", nullptr, name, track->TrackId);
+
+            for (auto cur = TTrackTr::begin(*track), end = TTrackTr::end(*track); cur != end; ++cur) {
+                const NLWTrace::TLogItem& item = *cur;
+
+                tr.Add(cur->ThreadId, item.TimestampCycles, "i", "event", &item, GetProbeName(item.Probe));
+
                 TString sliceName = GetProbeName(item.Probe);
- 
-                auto next = cur + 1; 
-                if (next != end) { 
-                    const NLWTrace::TLogItem& nextItem = *next; 
-                    tr.Add(cur->ThreadId, item.TimestampCycles, "b", "track", &item, sliceName, track->TrackId); 
-                    tr.Add(next->ThreadId, nextItem.TimestampCycles, "e", "track", &nextItem, sliceName, track->TrackId); 
-                } else { 
-                    tr.Add(cur->ThreadId, item.TimestampCycles, "n", "track", &item, sliceName, track->TrackId); 
-                } 
-            } 
- 
-            const NLWTrace::TLogItem& lastItem = *last; 
-            tr.Add(last->ThreadId, lastItem.TimestampCycles, "e", "track", nullptr, name, track->TrackId); 
-        } 
-        tr.Output(os); 
-    } 
- 
+
+                auto next = cur + 1;
+                if (next != end) {
+                    const NLWTrace::TLogItem& nextItem = *next;
+                    tr.Add(cur->ThreadId, item.TimestampCycles, "b", "track", &item, sliceName, track->TrackId);
+                    tr.Add(next->ThreadId, nextItem.TimestampCycles, "e", "track", &nextItem, sliceName, track->TrackId);
+                } else {
+                    tr.Add(cur->ThreadId, item.TimestampCycles, "n", "track", &item, sliceName, track->TrackId);
+                }
+            }
+
+            const NLWTrace::TLogItem& lastItem = *last;
+            tr.Add(last->ThreadId, lastItem.TimestampCycles, "e", "track", nullptr, name, track->TrackId);
+        }
+        tr.Output(os);
+    }
+
     void OutputSliceCovarianceMatrix(IOutputStream& os, const TCgiParameters& e)
-    { 
-        Y_UNUSED(e); 
-        TPatternNode* node = Tree.GetSelectedNode(); 
-        if (!node) { 
-            return; 
-        } 
- 
-        NAnalytics::TMatrix covMatrix = NAnalytics::CovarianceMatrix(node->Slices); 
-        double var = covMatrix.CellSum(); 
- 
-        double covMax = 0.0; 
-        for (double x : covMatrix) { 
-            if (covMax < x) { 
-                covMax = x; 
-            } 
-        } 
-        double dangerCov = covMax * 0.9 * 0.9; 
-        double warnCov = covMax * 0.5 * 0.5; 
- 
-        HTML(os) { 
-            TABLE() { 
-                TTimeline timeline = MakeTimeline(node); 
-                TABLEHEAD() TABLER() { 
-                    TABLED(); 
-                    for (auto& e : timeline) TABLED() { 
-                        TPatternNode* subnode = e.first; 
-                        os << subnode->Name; 
-                    } 
-                } 
- 
-                auto tl = timeline.begin(); 
-                TABLEBODY() for (size_t row = 0; row < covMatrix.Rows; row++) TABLER() { 
-                    TABLEH() { 
-                        if (tl != timeline.end()) { 
-                            TPatternNode* subnode = tl->first; 
-                            os << subnode->Name; 
-                            ++tl; 
-                        } 
-                    } 
- 
-                    for (size_t col = 0; col < covMatrix.Cols; col++) { 
-                        double cov = covMatrix.Cell(row, col); 
-                        TString tdClass = (cov >= dangerCov? "danger": (cov >= warnCov? "warning": "")); 
-                        TABLED_CLASS(tdClass) { 
-                            double sigmaX = (covMatrix.Cell(row, row) > 0? sqrt(covMatrix.Cell(row, row)): 0); 
-                            double sigmaY = (covMatrix.Cell(col, col) > 0? sqrt(covMatrix.Cell(col, col)): 0); 
-                            os << Sprintf("cov=%.3lf&nbsp;ms<sup>2</sup>&nbsp;(%.3lf&nbsp;ms) corr=%.1lf%% var_share=%.1lf%%", 
-                                          cov, sqrt(abs(cov)), cov * 100.0 / sigmaX / sigmaY, cov * 100.0 / var); 
-                        } 
-                    } 
-                } 
-            } 
-        } 
-    } 
- 
-private: 
-    TPatternNode* RollbackFind(TPatternNode* node) 
-    { 
-        for (;node != nullptr; node = node->Parent) { 
-            if (node->Desc.Type == NT_PROBE) { 
-                return node; 
-            } 
-        } 
-        return nullptr; 
-    } 
- 
+    {
+        Y_UNUSED(e);
+        TPatternNode* node = Tree.GetSelectedNode();
+        if (!node) {
+            return;
+        }
+
+        NAnalytics::TMatrix covMatrix = NAnalytics::CovarianceMatrix(node->Slices);
+        double var = covMatrix.CellSum();
+
+        double covMax = 0.0;
+        for (double x : covMatrix) {
+            if (covMax < x) {
+                covMax = x;
+            }
+        }
+        double dangerCov = covMax * 0.9 * 0.9;
+        double warnCov = covMax * 0.5 * 0.5;
+
+        HTML(os) {
+            TABLE() {
+                TTimeline timeline = MakeTimeline(node);
+                TABLEHEAD() TABLER() {
+                    TABLED();
+                    for (auto& e : timeline) TABLED() {
+                        TPatternNode* subnode = e.first;
+                        os << subnode->Name;
+                    }
+                }
+
+                auto tl = timeline.begin();
+                TABLEBODY() for (size_t row = 0; row < covMatrix.Rows; row++) TABLER() {
+                    TABLEH() {
+                        if (tl != timeline.end()) {
+                            TPatternNode* subnode = tl->first;
+                            os << subnode->Name;
+                            ++tl;
+                        }
+                    }
+
+                    for (size_t col = 0; col < covMatrix.Cols; col++) {
+                        double cov = covMatrix.Cell(row, col);
+                        TString tdClass = (cov >= dangerCov? "danger": (cov >= warnCov? "warning": ""));
+                        TABLED_CLASS(tdClass) {
+                            double sigmaX = (covMatrix.Cell(row, row) > 0? sqrt(covMatrix.Cell(row, row)): 0);
+                            double sigmaY = (covMatrix.Cell(col, col) > 0? sqrt(covMatrix.Cell(col, col)): 0);
+                            os << Sprintf("cov=%.3lf&nbsp;ms<sup>2</sup>&nbsp;(%.3lf&nbsp;ms) corr=%.1lf%% var_share=%.1lf%%",
+                                          cov, sqrt(abs(cov)), cov * 100.0 / sigmaX / sigmaY, cov * 100.0 / var);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+private:
+    TPatternNode* RollbackFind(TPatternNode* node)
+    {
+        for (;node != nullptr; node = node->Parent) {
+            if (node->Desc.Type == NT_PROBE) {
+                return node;
+            }
+        }
+        return nullptr;
+    }
+
     void OutputPattern(IOutputStream& os, const TCgiParameters& e, TPatternNode* node)
-    { 
-        // Fill pattern name 
+    {
+        // Fill pattern name
         TString patternName;
         TString patternTitle;
-        switch (node->Desc.Type) { 
-        case NT_ROOT: 
-            patternName = "All Tracks"; 
-            break; 
-        case NT_PROBE: 
-            patternTitle = GetProbeName(node->Desc.Probe); 
-            patternName = node->Desc.Probe->Event.Name; 
-            break; 
-        case NT_PARAM: 
-            patternName.append(node->Desc.ParamName + " = " + node->Desc.ParamValue); 
-            break; 
-        } 
- 
-        os << "<a href=\"" << MakeUrl(e, { 
-                {"pattern", node->GetPath()}, 
-                {"ptrn_anlz", e.Get("ptrn_anlz") ? e.Get("ptrn_anlz") : "resTotal"}, 
-                {"linesfill", "y"}, 
-                {"linessteps", "y"}, 
-                {"pointsshow", "n"}, 
-                {"sel_x1", e.Get("sel_x1") ? e.Get("sel_x1") : "0"}, 
-                {"sel_x2", e.Get("sel_x2") ? e.Get("sel_x2") : "inf"}}) << "\"" 
-              " title=\"" + patternTitle + "\">" << patternName << "</a>"; 
- 
-        // Add/remove node menu 
-        if (node->Desc.Type != NT_ROOT) { 
-            os << "<div class=\"dropdown pull-right\" style=\"display:inline-block\">"; 
-            if (node->Desc.Type == NT_PARAM) { 
-                os<< "<button class=\"btn btn-xs btn-default\" type=\"button\"" 
-                  << "\" onClick=\"window.location.href='" 
-                  << MakeUrlEraseSub(e, "classify", node->Parent->GetPath() + "@" 
-                                     + ToString(node->Desc.Rollbacks) + "." + node->Desc.ParamName) 
-                  << "';\">" 
-                       "<span class=\"glyphicon glyphicon-minus\"></span>" 
-                     "</button>"; 
-            } 
-            if (node->Classifier->GetChildType() != NT_PARAM) { 
-                os <<    "<button class=\"btn btn-xs btn-default dropdown-toggle\" type=\"button\"" 
-                                " data-toggle=\"dropdown\" aria-haspopup=\"true\" aria-expanded=\"true\">" 
-                           "<span class=\"glyphicon glyphicon-plus\"></span>" 
-                         "</button>" 
-                         "<ul class=\"dropdown-menu\">" 
-                           "<li class=\"dropdown-header\">Classify by param:</li>"; 
-                int rollbacks = 0; 
-                TPatternNode* probeNode = node; 
-                while (probeNode = RollbackFind(probeNode)) { 
-                    const NLWTrace::TProbe* probe = probeNode->Desc.Probe; 
-                    os << "<li class=\"dropdown-header\">" << GetProbeName(probe) << "</li>"; 
-                    const NLWTrace::TSignature* sgn = &probe->Event.Signature; 
-                    for (size_t pi = 0; pi < sgn->ParamCount; pi++) { 
+        switch (node->Desc.Type) {
+        case NT_ROOT:
+            patternName = "All Tracks";
+            break;
+        case NT_PROBE:
+            patternTitle = GetProbeName(node->Desc.Probe);
+            patternName = node->Desc.Probe->Event.Name;
+            break;
+        case NT_PARAM:
+            patternName.append(node->Desc.ParamName + " = " + node->Desc.ParamValue);
+            break;
+        }
+
+        os << "<a href=\"" << MakeUrl(e, {
+                {"pattern", node->GetPath()},
+                {"ptrn_anlz", e.Get("ptrn_anlz") ? e.Get("ptrn_anlz") : "resTotal"},
+                {"linesfill", "y"},
+                {"linessteps", "y"},
+                {"pointsshow", "n"},
+                {"sel_x1", e.Get("sel_x1") ? e.Get("sel_x1") : "0"},
+                {"sel_x2", e.Get("sel_x2") ? e.Get("sel_x2") : "inf"}}) << "\""
+              " title=\"" + patternTitle + "\">" << patternName << "</a>";
+
+        // Add/remove node menu
+        if (node->Desc.Type != NT_ROOT) {
+            os << "<div class=\"dropdown pull-right\" style=\"display:inline-block\">";
+            if (node->Desc.Type == NT_PARAM) {
+                os<< "<button class=\"btn btn-xs btn-default\" type=\"button\""
+                  << "\" onClick=\"window.location.href='"
+                  << MakeUrlEraseSub(e, "classify", node->Parent->GetPath() + "@"
+                                     + ToString(node->Desc.Rollbacks) + "." + node->Desc.ParamName)
+                  << "';\">"
+                       "<span class=\"glyphicon glyphicon-minus\"></span>"
+                     "</button>";
+            }
+            if (node->Classifier->GetChildType() != NT_PARAM) {
+                os <<    "<button class=\"btn btn-xs btn-default dropdown-toggle\" type=\"button\""
+                                " data-toggle=\"dropdown\" aria-haspopup=\"true\" aria-expanded=\"true\">"
+                           "<span class=\"glyphicon glyphicon-plus\"></span>"
+                         "</button>"
+                         "<ul class=\"dropdown-menu\">"
+                           "<li class=\"dropdown-header\">Classify by param:</li>";
+                int rollbacks = 0;
+                TPatternNode* probeNode = node;
+                while (probeNode = RollbackFind(probeNode)) {
+                    const NLWTrace::TProbe* probe = probeNode->Desc.Probe;
+                    os << "<li class=\"dropdown-header\">" << GetProbeName(probe) << "</li>";
+                    const NLWTrace::TSignature* sgn = &probe->Event.Signature;
+                    for (size_t pi = 0; pi < sgn->ParamCount; pi++) {
                         TString param = sgn->ParamNames[pi];
                         if (TrackIds.contains(param) || IsFiltered(param)) {
-                            continue; 
-                        } 
-                        os << "<li><a href=\"" 
-                           << MakeUrlAddSub(e, "classify", node->GetPath() + "@" + ToString(rollbacks) + "." + param) 
-                           << "\">" << param << "</a></li>"; 
-                    } 
-                    rollbacks++; 
-                    probeNode = probeNode->Parent; 
-                } 
-                os <<    "</ul>"; 
-            } 
-            os << "</div>"; 
-        } 
-    } 
- 
+                            continue;
+                        }
+                        os << "<li><a href=\""
+                           << MakeUrlAddSub(e, "classify", node->GetPath() + "@" + ToString(rollbacks) + "." + param)
+                           << "\">" << param << "</a></li>";
+                    }
+                    rollbacks++;
+                    probeNode = probeNode->Parent;
+                }
+                os <<    "</ul>";
+            }
+            os << "</div>";
+        }
+    }
+
     void OutputShare(IOutputStream& os, double share)
-    { 
-        double lshare = share; 
-        double rshare = 100 - lshare; 
-        os << "<div class=\"progress\" style=\"margin-bottom:0px;position:relative\">" 
-                "<div class=\"progress-bar progress-bar-success\" role=\"progressbar\"" 
-                  " aria-valuenow=\"" << lshare << "\"" 
-                  " aria-valuemin=\"0\"" 
-                  " aria-valuemax=\"100\"" 
-                  " style=\"width: " << lshare << "%;\">" 
-                "</div>" 
-                "<div class=\"progress-bar progress-bar-danger\" role=\"progressbar\"" 
-                  " aria-valuenow=\"" << rshare << "\"" 
-                  " aria-valuemin=\"0\"" 
-                  " aria-valuemax=\"100\"" 
-                  " style=\"width: " << rshare << "%;\">" 
-                "</div>" 
-                "<span style=\"position:absolute;left:0;width:100%;text-align:center;z-index:2;color:white\">" 
-                  << (share == 100? "100%": Sprintf("%2.1lf%%", share)) << 
-                "</span>" 
-              "</div>"; 
-    } 
- 
+    {
+        double lshare = share;
+        double rshare = 100 - lshare;
+        os << "<div class=\"progress\" style=\"margin-bottom:0px;position:relative\">"
+                "<div class=\"progress-bar progress-bar-success\" role=\"progressbar\""
+                  " aria-valuenow=\"" << lshare << "\""
+                  " aria-valuemin=\"0\""
+                  " aria-valuemax=\"100\""
+                  " style=\"width: " << lshare << "%;\">"
+                "</div>"
+                "<div class=\"progress-bar progress-bar-danger\" role=\"progressbar\""
+                  " aria-valuenow=\"" << rshare << "\""
+                  " aria-valuemin=\"0\""
+                  " aria-valuemax=\"100\""
+                  " style=\"width: " << rshare << "%;\">"
+                "</div>"
+                "<span style=\"position:absolute;left:0;width:100%;text-align:center;z-index:2;color:white\">"
+                  << (share == 100? "100%": Sprintf("%2.1lf%%", share)) <<
+                "</span>"
+              "</div>";
+    }
+
     using TTimeline = TVector<std::pair<TPatternNode*, double>>;
- 
-    TTimeline MakeTimeline(TPatternNode* node) 
-    { 
-        TTimeline ret; 
-        if (node->TrackCount == 0) { 
-            return ret; 
-        } 
-        ret.reserve(node->TimelineSum.size()); 
-        for (double time : node->TimelineSum) { 
-            ret.emplace_back(nullptr, double(time) / node->TrackCount); 
-        } 
-        TPatternNode* n = node; 
-        for (auto i = ret.rbegin(), e = ret.rend(); i != e; ++i) { 
+
+    TTimeline MakeTimeline(TPatternNode* node)
+    {
+        TTimeline ret;
+        if (node->TrackCount == 0) {
+            return ret;
+        }
+        ret.reserve(node->TimelineSum.size());
+        for (double time : node->TimelineSum) {
+            ret.emplace_back(nullptr, double(time) / node->TrackCount);
+        }
+        TPatternNode* n = node;
+        for (auto i = ret.rbegin(), e = ret.rend(); i != e; ++i) {
             WWW_CHECK(n, "internal bug: wrong timeline length at pattern node '%s'", node->GetPath().data());
-            i->first = n; 
-            n = n->Parent; 
-        } 
-        return ret; 
-    } 
- 
+            i->first = n;
+            n = n->Parent;
+        }
+        return ret;
+    }
+
     void OutputTimeline(IOutputStream& os, const TTimeline& timeline, double maxTime)
-    { 
-        static const char *barClass[] = { 
-            "progress-bar-info", 
-            "progress-bar-warning" 
-        }; 
-        if (timeline.empty()) { 
-            return; 
-        } 
-        os << "<div class=\"progress\" style=\"margin-bottom:0px;color:black\">"; 
-        double prevPos = 0.0; 
-        double prevTime = 0.0; 
-        size_t i = 0; 
-        for (auto& e : timeline) { 
-            TPatternNode* node = e.first; 
-            double time = e.second; 
-            double pos = time * 100 / maxTime; 
-            if (pos > 100) { 
-                pos = 100; 
-            } 
-            double width = pos - prevPos; 
-            os << "<div class=\"progress-bar " << barClass[i % 2] << "\" role=\"progressbar\"" 
-                     " aria-valuenow=\"" << width << "\"" 
-                     " aria-valuemin=\"0\"" 
-                     " aria-valuemax=\"100\"" 
-                     " style=\"width:" << width << "%;color:black\"" 
-                     " title=\"" << FormatTimelineTooltip(time, prevTime, node) << "\">"; 
-            if (width > 20) { // To ensure text will fit the bar 
-                os << FormatCycles(time - prevTime); 
-            } 
-            os << "</div>"; 
-            prevPos = pos; 
-            prevTime = time; 
-            i++; 
-        } 
-        os << "</div>"; 
-    } 
- 
+    {
+        static const char *barClass[] = {
+            "progress-bar-info",
+            "progress-bar-warning"
+        };
+        if (timeline.empty()) {
+            return;
+        }
+        os << "<div class=\"progress\" style=\"margin-bottom:0px;color:black\">";
+        double prevPos = 0.0;
+        double prevTime = 0.0;
+        size_t i = 0;
+        for (auto& e : timeline) {
+            TPatternNode* node = e.first;
+            double time = e.second;
+            double pos = time * 100 / maxTime;
+            if (pos > 100) {
+                pos = 100;
+            }
+            double width = pos - prevPos;
+            os << "<div class=\"progress-bar " << barClass[i % 2] << "\" role=\"progressbar\""
+                     " aria-valuenow=\"" << width << "\""
+                     " aria-valuemin=\"0\""
+                     " aria-valuemax=\"100\""
+                     " style=\"width:" << width << "%;color:black\""
+                     " title=\"" << FormatTimelineTooltip(time, prevTime, node) << "\">";
+            if (width > 20) { // To ensure text will fit the bar
+                os << FormatCycles(time - prevTime);
+            }
+            os << "</div>";
+            prevPos = pos;
+            prevTime = time;
+            i++;
+        }
+        os << "</div>";
+    }
+
     TString FormatTimelineTooltip(double time, double prevTime, TPatternNode* node)
-    { 
-        return FormatCycles(time - prevTime) + ": " 
-                + FormatCycles(prevTime) + " -> " + FormatCycles(time) 
-                + "(" + node->Name + ")"; 
-    } 
- 
+    {
+        return FormatCycles(time - prevTime) + ": "
+                + FormatCycles(prevTime) + " -> " + FormatCycles(time)
+                + "(" + node->Name + ")";
+    }
+
     TString FormatFloat(double value)
-    { 
-        if (value == 0.0) { 
-            return "0"; 
-        } 
-        if (value > 1.0) { 
-            if (value > 100.0) { 
-                return Sprintf("%.0lf", value); 
-            } 
-            if (value > 10.0) { 
-                return Sprintf("%.1lf", value); 
-            } 
-            return Sprintf("%.2lf", value); 
-        } else if (value > 1e-3) { 
-            if (value > 1e-1) { 
-                return Sprintf("%.3lf", value); 
-            } 
-            if (value > 1e-2) { 
-                return Sprintf("%.4lf", value); 
-            } 
-            return Sprintf("%.5lf", value); 
-        } else if (value > 1e-6) { 
-            if (value > 1e-4) { 
-                return Sprintf("%.6lf", value); 
-            } 
-            if (value > 1e-5) { 
-                return Sprintf("%.7lf", value); 
-            } 
-            return Sprintf("%.8lfus", value); 
-        } else { 
-            if (value > 1e-7) { 
-                return Sprintf("%.9lfns", value); 
-            } 
-            if (value > 1e-8) { 
-                return Sprintf("%.10lfns", value); 
-            } 
-            return Sprintf("%.2le", value); 
-        } 
-    } 
- 
+    {
+        if (value == 0.0) {
+            return "0";
+        }
+        if (value > 1.0) {
+            if (value > 100.0) {
+                return Sprintf("%.0lf", value);
+            }
+            if (value > 10.0) {
+                return Sprintf("%.1lf", value);
+            }
+            return Sprintf("%.2lf", value);
+        } else if (value > 1e-3) {
+            if (value > 1e-1) {
+                return Sprintf("%.3lf", value);
+            }
+            if (value > 1e-2) {
+                return Sprintf("%.4lf", value);
+            }
+            return Sprintf("%.5lf", value);
+        } else if (value > 1e-6) {
+            if (value > 1e-4) {
+                return Sprintf("%.6lf", value);
+            }
+            if (value > 1e-5) {
+                return Sprintf("%.7lf", value);
+            }
+            return Sprintf("%.8lfus", value);
+        } else {
+            if (value > 1e-7) {
+                return Sprintf("%.9lfns", value);
+            }
+            if (value > 1e-8) {
+                return Sprintf("%.10lfns", value);
+            }
+            return Sprintf("%.2le", value);
+        }
+    }
+
     TString FormatCycles(double timeCycles)
-    { 
-        double timeSec = timeCycles / NHPTimer::GetClockRate(); 
-        if (timeSec > 1.0) { 
-            if (timeSec > 100.0) { 
-                return Sprintf("%.0lfs", timeSec); 
-            } 
-            if (timeSec > 10.0) { 
-                return Sprintf("%.1lfs", timeSec); 
-            } 
-            return Sprintf("%.2lfs", timeSec); 
-        } else if (timeSec > 1e-3) { 
-            if (timeSec > 1e-1) { 
-                return Sprintf("%.0lfms", timeSec * 1e3); 
-            } 
-            if (timeSec > 1e-2) { 
-                return Sprintf("%.1lfms", timeSec * 1e3); 
-            } 
-            return Sprintf("%.2lfms", timeSec * 1e3); 
-        } else if (timeSec > 1e-6) { 
-            if (timeSec > 1e-4) { 
-                return Sprintf("%.0lfus", timeSec * 1e6); 
-            } 
-            if (timeSec > 1e-5) { 
-                return Sprintf("%.1lfus", timeSec * 1e6); 
-            } 
-            return Sprintf("%.2lfus", timeSec * 1e6); 
-        } else { 
-            if (timeSec > 1e-7) { 
-                return Sprintf("%.0lfns", timeSec * 1e9); 
-            } 
-            if (timeSec > 1e-8) { 
-                return Sprintf("%.1lfns", timeSec * 1e9); 
-            } 
-            return Sprintf("%.2lfns", timeSec * 1e9); 
-        } 
-    } 
- 
+    {
+        double timeSec = timeCycles / NHPTimer::GetClockRate();
+        if (timeSec > 1.0) {
+            if (timeSec > 100.0) {
+                return Sprintf("%.0lfs", timeSec);
+            }
+            if (timeSec > 10.0) {
+                return Sprintf("%.1lfs", timeSec);
+            }
+            return Sprintf("%.2lfs", timeSec);
+        } else if (timeSec > 1e-3) {
+            if (timeSec > 1e-1) {
+                return Sprintf("%.0lfms", timeSec * 1e3);
+            }
+            if (timeSec > 1e-2) {
+                return Sprintf("%.1lfms", timeSec * 1e3);
+            }
+            return Sprintf("%.2lfms", timeSec * 1e3);
+        } else if (timeSec > 1e-6) {
+            if (timeSec > 1e-4) {
+                return Sprintf("%.0lfus", timeSec * 1e6);
+            }
+            if (timeSec > 1e-5) {
+                return Sprintf("%.1lfus", timeSec * 1e6);
+            }
+            return Sprintf("%.2lfus", timeSec * 1e6);
+        } else {
+            if (timeSec > 1e-7) {
+                return Sprintf("%.0lfns", timeSec * 1e9);
+            }
+            if (timeSec > 1e-8) {
+                return Sprintf("%.1lfns", timeSec * 1e9);
+            }
+            return Sprintf("%.2lfns", timeSec * 1e9);
+        }
+    }
+
     TString GetParam(const NLWTrace::TLogItem& item, TString* paramValues, const TString& paramName)
-    { 
-        for (size_t pi = 0; pi < item.SavedParamsCount; pi++) { 
-            if (paramName == item.Probe->Event.Signature.ParamNames[pi]) { 
-                return paramValues[pi]; 
-            } 
-        } 
+    {
+        for (size_t pi = 0; pi < item.SavedParamsCount; pi++) {
+            if (paramName == item.Probe->Event.Signature.ParamNames[pi]) {
+                return paramValues[pi];
+            }
+        }
         return TString();
-    } 
- 
+    }
+
     TString GetGroup(const NLWTrace::TLogItem& item, TString* paramValues)
-    { 
-        TStringStream ss; 
-        bool first = true; 
+    {
+        TStringStream ss;
+        bool first = true;
         for (const TString& groupParam : GroupBy) {
-            ss << (first? "": "|") << GetParam(item, paramValues, groupParam); 
-            first = false; 
-        } 
-        return ss.Str(); 
-    } 
- 
-    void AddItemToTrack(TThread::TId tid, const NLWTrace::TLogItem& item) 
-    { 
-        // Ensure cyclic per thread lwtrace logs wont drop *inner* items of a track 
-        // (note that some *starting* items can be dropped) 
-        if (item.SavedParamsCount > 0 && !CutTs.Skip(item)) { 
+            ss << (first? "": "|") << GetParam(item, paramValues, groupParam);
+            first = false;
+        }
+        return ss.Str();
+    }
+
+    void AddItemToTrack(TThread::TId tid, const NLWTrace::TLogItem& item)
+    {
+        // Ensure cyclic per thread lwtrace logs wont drop *inner* items of a track
+        // (note that some *starting* items can be dropped)
+        if (item.SavedParamsCount > 0 && !CutTs.Skip(item)) {
             TString paramValues[LWTRACE_MAX_PARAMS];
-            item.Probe->Event.Signature.SerializeParams(item.Params, paramValues); 
-            Tracks[GetGroup(item, paramValues)].Items.emplace_back(tid, item); 
-        } 
-    } 
-}; 
- 
-NLWTrace::TProbeRegistry g_Probes; 
+            item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
+            Tracks[GetGroup(item, paramValues)].Items.emplace_back(tid, item);
+        }
+    }
+};
+
+NLWTrace::TProbeRegistry g_Probes;
 TString g_sanitizerTest("TString g_sanitizerTest");
-NLWTrace::TManager g_SafeManager(g_Probes, false); 
-NLWTrace::TManager g_UnsafeManager(g_Probes, true); 
+NLWTrace::TManager g_SafeManager(g_Probes, false);
+NLWTrace::TManager g_UnsafeManager(g_Probes, true);
 TDashboardRegistry g_DashboardRegistry;
- 
-class TLWTraceMonPage : public NMonitoring::IMonPage { 
+
+class TLWTraceMonPage : public NMonitoring::IMonPage {
 private:
-    NLWTrace::TManager* TraceMngr; 
+    NLWTrace::TManager* TraceMngr;
     TString StartTime;
-    TTraceCleaner Cleaner; 
-    TMutex SnapshotsMtx; 
+    TTraceCleaner Cleaner;
+    TMutex SnapshotsMtx;
     THashMap<TString, TAtomicSharedPtr<NLWTrace::TLogPb>> Snapshots;
 public:
-    explicit TLWTraceMonPage(bool allowUnsafe = false) 
+    explicit TLWTraceMonPage(bool allowUnsafe = false)
         : NMonitoring::IMonPage("trace", "Tracing")
-        , TraceMngr(&TraceManager(allowUnsafe)) 
-        , Cleaner(TraceMngr) 
-    { 
-        time_t stime = TInstant::Now().TimeT(); 
-        StartTime = CTimeR(&stime); 
-    } 
+        , TraceMngr(&TraceManager(allowUnsafe))
+        , Cleaner(TraceMngr)
+    {
+        time_t stime = TInstant::Now().TimeT();
+        StartTime = CTimeR(&stime);
+    }
 
     virtual void Output(NMonitoring::IMonHttpRequest& request) {
-        TStringStream out; 
+        TStringStream out;
         try {
-            if (request.GetParams().Get("mode") == "") { 
-                OutputTracesAndSnapshots(request, out); 
+            if (request.GetParams().Get("mode") == "") {
+                OutputTracesAndSnapshots(request, out);
             } else if (request.GetParams().Get("mode") == "probes") {
-                OutputProbes(request, out); 
+                OutputProbes(request, out);
             } else if (request.GetParams().Get("mode") == "dashboards") {
                 OutputDashboards(request, out);
             } else if (request.GetParams().Get("mode") == "dashboard") {
                 OutputDashboard(request, out);
             } else if (request.GetParams().Get("mode") == "log") {
-                OutputLog(request, out); 
+                OutputLog(request, out);
             } else if (request.GetParams().Get("mode") == "query") {
-                OutputQuery(request, out); 
-            } else if (request.GetParams().Get("mode") == "builder") { 
-                OutputBuilder(request, out); 
-            } else if (request.GetParams().Get("mode") == "analytics") { 
-                OutputAnalytics(request, out); 
+                OutputQuery(request, out);
+            } else if (request.GetParams().Get("mode") == "builder") {
+                OutputBuilder(request, out);
+            } else if (request.GetParams().Get("mode") == "analytics") {
+                OutputAnalytics(request, out);
             } else if (request.GetParams().Get("mode") == "new") {
-                PostNew(request, out); 
+                PostNew(request, out);
             } else if (request.GetParams().Get("mode") == "delete") {
-                PostDelete(request, out); 
-            } else if (request.GetParams().Get("mode") == "make_snapshot") { 
-                PostSnapshot(request, out); 
-            } else if (request.GetParams().Get("mode") == "settimeout") { 
-                PostSetTimeout(request, out); 
+                PostDelete(request, out);
+            } else if (request.GetParams().Get("mode") == "make_snapshot") {
+                PostSnapshot(request, out);
+            } else if (request.GetParams().Get("mode") == "settimeout") {
+                PostSetTimeout(request, out);
             } else {
                 ythrow yexception() << "Bad request";
             }
-        } catch (TPageGenBase& gen) { 
-            out.Clear(); 
-            out << gen.what(); 
-        } catch (...) { 
-            out.Clear(); 
-            if (request.GetParams().Get("error") == "text") { 
-                // Text error reply is helpful for ajax requests 
-                out << NMonitoring::HTTPOKTEXT; 
-                out << CurrentExceptionMessage(); 
-            } else { 
-                WWW_HTML(out) { 
-                    out << "<h2>Error</h2><pre>" 
-                        << CurrentExceptionMessage() 
-                        << Endl; 
-                } 
-            } 
-        } 
+        } catch (TPageGenBase& gen) {
+            out.Clear();
+            out << gen.what();
+        } catch (...) {
+            out.Clear();
+            if (request.GetParams().Get("error") == "text") {
+                // Text error reply is helpful for ajax requests
+                out << NMonitoring::HTTPOKTEXT;
+                out << CurrentExceptionMessage();
+            } else {
+                WWW_HTML(out) {
+                    out << "<h2>Error</h2><pre>"
+                        << CurrentExceptionMessage()
+                        << Endl;
+                }
+            }
+        }
         request.Output() << out.Str();
-    } 
- 
-private: 
+    }
+
+private:
     void OutputNavbar(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
-    { 
+    {
         TString active = " class=\"active\"";
-        out << 
-            "<nav class=\"navbar navbar-default\"><div class=\"container-fluid\">" 
-              << NavbarHeader() << 
-              "<ul class=\"nav navbar-nav\">" 
-                "<li" << (request.GetParams().Get("mode") == ""? active: "") << "><a href=\"?mode=\">Traces</a></li>" 
-                "<li" << (request.GetParams().Get("mode") == "probes"? active: "") << "><a href=\"?mode=probes\">Probes</a></li>" 
+        out <<
+            "<nav class=\"navbar navbar-default\"><div class=\"container-fluid\">"
+              << NavbarHeader() <<
+              "<ul class=\"nav navbar-nav\">"
+                "<li" << (request.GetParams().Get("mode") == ""? active: "") << "><a href=\"?mode=\">Traces</a></li>"
+                "<li" << (request.GetParams().Get("mode") == "probes"? active: "") << "><a href=\"?mode=probes\">Probes</a></li>"
                 "<li" << (request.GetParams().Get("mode") == "dashboards"? active: "") << "><a href=\"?mode=dashboards\">Dashboard</a></li>"
-                "<li" << (request.GetParams().Get("mode") == "builder"? active: "") << "><a href=\"?mode=builder\">Builder</a></li>" 
-                "<li" << (request.GetParams().Get("mode") == "analytics"? active: "") << "><a href=\"?mode=analytics&id=\">Analytics</a></li>" 
+                "<li" << (request.GetParams().Get("mode") == "builder"? active: "") << "><a href=\"?mode=builder\">Builder</a></li>"
+                "<li" << (request.GetParams().Get("mode") == "analytics"? active: "") << "><a href=\"?mode=analytics&id=\">Analytics</a></li>"
                 "<li><a href=\"https://wiki.yandex-team.ru/development/poisk/arcadia/library/cpp/lwtrace/\" target=\"_blank\">Documentation</a></li>"
-              "</ul>" 
-            "</div></nav>" 
-            ; 
-    } 
- 
-    template <class TReader> 
-    void ReadSnapshots(TReader& reader) const 
-    { 
-        TGuard<TMutex> g(SnapshotsMtx); 
-        for (const auto& kv : Snapshots) { 
-            reader.Push(kv.first, kv.second); 
-        } 
-    } 
- 
+              "</ul>"
+            "</div></nav>"
+            ;
+    }
+
+    template <class TReader>
+    void ReadSnapshots(TReader& reader) const
+    {
+        TGuard<TMutex> g(SnapshotsMtx);
+        for (const auto& kv : Snapshots) {
+            reader.Push(kv.first, kv.second);
+        }
+    }
+
     void OutputTracesAndSnapshots(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
-    { 
-        TLogSources logSources(Cleaner); 
-        TraceMngr->ReadTraces(logSources); 
-        ReadSnapshots(logSources); 
- 
-        TStringStream ss; 
-        TTracesHtmlPrinter printer(ss); 
-        logSources.ForEach(printer); 
-        WWW_HTML(out) { 
-            OutputNavbar(request, out); 
-            out << 
-                "<table class=\"table table-striped\">" 
-                "<tr><th>Start Time</th><th>Timeout</th><th>Name</th><th>Events</th><th>Threads</th><th></th><th></th><th></th><th></th><th></th></tr>" 
-                << ss.Str() << 
-                "</table>" 
-                ; 
-            out << "<hr/><p><strong>Start time:</strong> " << StartTime; 
-            out << "<br/><strong>Build date:</strong> "; 
-            out << __DATE__ << " " << __TIME__ << "</p>" << Endl; 
-        } 
-    } 
- 
+    {
+        TLogSources logSources(Cleaner);
+        TraceMngr->ReadTraces(logSources);
+        ReadSnapshots(logSources);
+
+        TStringStream ss;
+        TTracesHtmlPrinter printer(ss);
+        logSources.ForEach(printer);
+        WWW_HTML(out) {
+            OutputNavbar(request, out);
+            out <<
+                "<table class=\"table table-striped\">"
+                "<tr><th>Start Time</th><th>Timeout</th><th>Name</th><th>Events</th><th>Threads</th><th></th><th></th><th></th><th></th><th></th></tr>"
+                << ss.Str() <<
+                "</table>"
+                ;
+            out << "<hr/><p><strong>Start time:</strong> " << StartTime;
+            out << "<br/><strong>Build date:</strong> ";
+            out << __DATE__ << " " << __TIME__ << "</p>" << Endl;
+        }
+    }
+
     void OutputProbes(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
-    { 
-        TStringStream ss; 
-        TProbesHtmlPrinter printer; 
-        TraceMngr->ReadProbes(printer); 
-        printer.Output(ss); 
-        WWW_HTML(out) { 
-            OutputNavbar(request, out); 
-            out << ss.Str(); 
-        } 
-    } 
- 
+    {
+        TStringStream ss;
+        TProbesHtmlPrinter printer;
+        TraceMngr->ReadProbes(printer);
+        printer.Output(ss);
+        WWW_HTML(out) {
+            OutputNavbar(request, out);
+            out << ss.Str();
+        }
+    }
+
     void OutputDashboards(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
     {
         TStringStream ss;
@@ -3910,7 +3910,7 @@ private:
         WWW_HTML(out) {
             OutputNavbar(request, out);
             out << ss.Str();
-        } 
+        }
     }
 
     void OutputDashboard(const NMonitoring::IMonHttpRequest& request, IOutputStream& out) {
@@ -3918,97 +3918,97 @@ private:
             ythrow yexception() << "Cgi-parameter 'name' is not specified";
         } else {
             auto name = request.GetParams().Get("name");
-            NLWTrace::TDashboard dash; 
+            NLWTrace::TDashboard dash;
             if (!g_DashboardRegistry.Get(name, dash)) {
                 ythrow yexception() << "Dashboard doesn't exist";
             }
             WWW_HTML(out) {
                 OutputNavbar(request, out);
-                out << "<style type='text/css'>html, body { height: 100%; }</style>"; 
-                out << "<h2>" << dash.GetName() << "</h2>"; 
-                if (dash.GetDescription()) { 
-                    out << "<h3>" << dash.GetDescription() << "</h3>"; 
-                } 
-                int height = 85; // % 
-                int minHeight = 100; // px 
-                out << "<table height='" << height << "%' width='100%' cellpadding='4'><tbody height='100%' width='100%'>"; 
-                ui32 rows = 0; 
-                auto maxRowSpan = [](const auto& row) { 
-                    ui32 rowSpan = 1; 
-                    for (const auto& cell : row.GetCells()) { 
-                        rowSpan = Max(rowSpan, cell.GetRowSpan()); 
-                    } 
-                    return rowSpan; 
-                }; 
-                for (const auto& row : dash.GetRows()) { 
-                    rows += maxRowSpan(row); 
-                } 
-                for (const auto& row : dash.GetRows()) { 
-                    int rowSpan = maxRowSpan(row); 
-                    out << "<tr align='left' valign='top' style='height:" << (height * rowSpan / rows) << "%; min-height:" << (minHeight * rowSpan)<< "px'>"; 
-                    for (const auto& cell : row.GetCells()) { 
-                        TString url = cell.GetUrl(); 
-                        TString title = cell.GetTitle(); 
-                        TString text = cell.GetText(); 
-                        auto rowSpan = Max<ui64>(1, cell.GetRowSpan()); 
-                        auto colSpan = Max<ui64>(1, cell.GetColSpan()); 
-                        if (url) { 
-                            if (title) { 
-                                out << "<td rowspan='" << rowSpan << "' colSpan='1'><a href=" << url << ">" << title << "</a><br>"; 
+                out << "<style type='text/css'>html, body { height: 100%; }</style>";
+                out << "<h2>" << dash.GetName() << "</h2>";
+                if (dash.GetDescription()) {
+                    out << "<h3>" << dash.GetDescription() << "</h3>";
+                }
+                int height = 85; // %
+                int minHeight = 100; // px
+                out << "<table height='" << height << "%' width='100%' cellpadding='4'><tbody height='100%' width='100%'>";
+                ui32 rows = 0;
+                auto maxRowSpan = [](const auto& row) {
+                    ui32 rowSpan = 1;
+                    for (const auto& cell : row.GetCells()) {
+                        rowSpan = Max(rowSpan, cell.GetRowSpan());
+                    }
+                    return rowSpan;
+                };
+                for (const auto& row : dash.GetRows()) {
+                    rows += maxRowSpan(row);
+                }
+                for (const auto& row : dash.GetRows()) {
+                    int rowSpan = maxRowSpan(row);
+                    out << "<tr align='left' valign='top' style='height:" << (height * rowSpan / rows) << "%; min-height:" << (minHeight * rowSpan)<< "px'>";
+                    for (const auto& cell : row.GetCells()) {
+                        TString url = cell.GetUrl();
+                        TString title = cell.GetTitle();
+                        TString text = cell.GetText();
+                        auto rowSpan = Max<ui64>(1, cell.GetRowSpan());
+                        auto colSpan = Max<ui64>(1, cell.GetColSpan());
+                        if (url) {
+                            if (title) {
+                                out << "<td rowspan='" << rowSpan << "' colSpan='1'><a href=" << url << ">" << title << "</a><br>";
+                            }
+                            out << "<iframe scrolling='no' width='" << 100 * colSpan << "%' height='" << height << "%' style='border: 0' src=" << url << "></iframe></td>";
+                            // Add fake cells to fix html table
+                            for (ui32 left = 1; left < colSpan; ++left) {
+                                out << "<td height='100%' rowspan='" << rowSpan << "' colSpan='1'>"
+                                    << "<iframe scrolling='no' width='100%' height='100%' style='border: 0' src=" << "" << "></iframe></td>";
                             }
-                            out << "<iframe scrolling='no' width='" << 100 * colSpan << "%' height='" << height << "%' style='border: 0' src=" << url << "></iframe></td>"; 
-                            // Add fake cells to fix html table 
-                            for (ui32 left = 1; left < colSpan; ++left) { 
-                                out << "<td height='100%' rowspan='" << rowSpan << "' colSpan='1'>" 
-                                    << "<iframe scrolling='no' width='100%' height='100%' style='border: 0' src=" << "" << "></iframe></td>"; 
-                            } 
-                        } else { 
-                            out << "<td style='font-size: 25px' align='left' rowspan='" << rowSpan << "' colSpan='" << colSpan << "'>" << text << "</td>"; 
+                        } else {
+                            out << "<td style='font-size: 25px' align='left' rowspan='" << rowSpan << "' colSpan='" << colSpan << "'>" << text << "</td>";
                         }
                     }
-                } 
+                }
                 out << "</tbody></table>";
             }
         }
     }
 
-    static double ParseDouble(const TString& s) 
-    { 
-        if (s == "inf") { 
-            return std::numeric_limits<double>::infinity(); 
-        } else if (s == "-inf") { 
-            return -std::numeric_limits<double>::infinity(); 
-        } else { 
-            return FromString<double>(s); 
-        } 
-    } 
- 
+    static double ParseDouble(const TString& s)
+    {
+        if (s == "inf") {
+            return std::numeric_limits<double>::infinity();
+        } else if (s == "-inf") {
+            return -std::numeric_limits<double>::infinity();
+        } else {
+            return FromString<double>(s);
+        }
+    }
+
     void OutputLog(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
-    { 
-        if (request.GetParams().NumOfValues("id") == 0) { 
-            ythrow yexception() << "Cgi-parameter 'id' is not specified"; 
-        } else { 
+    {
+        if (request.GetParams().NumOfValues("id") == 0) {
+            ythrow yexception() << "Cgi-parameter 'id' is not specified";
+        } else {
             const TCgiParameters& e = request.GetParams();
-            TStringStream ss; 
-            if (e.Get("format") == "json") { 
-                TLogJsonPrinter printer(ss); 
-                printer.OutputHeader(); 
-                TString id = e.Get("id"); 
-                CheckAdHocTrace(id, TDuration::Minutes(1)); 
-                TraceMngr->ReadLog(id, printer); 
-                printer.OutputFooter(TraceMngr->GetTrace(id)); 
-                out << HTTPOKJSON; 
-                out << ss.Str(); 
-            } if (e.Get("format") == "json2") { 
-                TLogTextPrinter printer(e); 
-                for (const TString& id : Subvalues(e, "id")) { 
-                    CheckAdHocTrace(id, TDuration::Minutes(1)); 
-                    TraceMngr->ReadLog(id, printer); 
-                    TraceMngr->ReadDepot(id, printer); 
-                } 
-                printer.OutputJson(ss); 
-                out << HTTPOKJSON; 
-                out << ss.Str(); 
+            TStringStream ss;
+            if (e.Get("format") == "json") {
+                TLogJsonPrinter printer(ss);
+                printer.OutputHeader();
+                TString id = e.Get("id");
+                CheckAdHocTrace(id, TDuration::Minutes(1));
+                TraceMngr->ReadLog(id, printer);
+                printer.OutputFooter(TraceMngr->GetTrace(id));
+                out << HTTPOKJSON;
+                out << ss.Str();
+            } if (e.Get("format") == "json2") {
+                TLogTextPrinter printer(e);
+                for (const TString& id : Subvalues(e, "id")) {
+                    CheckAdHocTrace(id, TDuration::Minutes(1));
+                    TraceMngr->ReadLog(id, printer);
+                    TraceMngr->ReadDepot(id, printer);
+                }
+                printer.OutputJson(ss);
+                out << HTTPOKJSON;
+                out << ss.Str();
             } else if (e.Get("format") == "analytics" && e.Get("aggr") == "tracks") {
                 TLogTrackExtractor logTrackExtractor(e,
                     Subvalues(e, "f"),
@@ -4027,8 +4027,8 @@ private:
 
                 TLogTextPrinter printer(e);
                 const TString& distBy = patternAnalyzer;
-                double sel_x1 = e.Get("sel_x1")? ParseDouble(e.Get("sel_x1")): NAN; 
-                double sel_x2 = e.Get("sel_x2")? ParseDouble(e.Get("sel_x2")): NAN; 
+                double sel_x1 = e.Get("sel_x1")? ParseDouble(e.Get("sel_x1")): NAN;
+                double sel_x2 = e.Get("sel_x2")? ParseDouble(e.Get("sel_x2")): NAN;
                 TSampleOpts opts;
                 opts.ShowProvider = (e.Get("show_provider") == "y");
                 if (e.Get("size_limit")) {
@@ -4038,101 +4038,101 @@ private:
                 printer.Output(ss);
                 out << HTTPOKTEXT;
                 out << ss.Str();
-            } else { 
+            } else {
                 TLogTextPrinter printer(e);
                 for (const TString& id : Subvalues(e, "id")) {
-                    CheckAdHocTrace(id, TDuration::Minutes(1)); 
-                    TraceMngr->ReadLog(id, printer); 
-                    TraceMngr->ReadDepot(id, printer); 
-                } 
-                printer.Output(ss); 
-                out << HTTPOKTEXT; 
-                out << ss.Str(); 
-            } 
-        } 
-    } 
- 
+                    CheckAdHocTrace(id, TDuration::Minutes(1));
+                    TraceMngr->ReadLog(id, printer);
+                    TraceMngr->ReadDepot(id, printer);
+                }
+                printer.Output(ss);
+                out << HTTPOKTEXT;
+                out << ss.Str();
+            }
+        }
+    }
+
     void OutputQuery(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
-    { 
-        if (request.GetParams().NumOfValues("id") == 0) { 
-            ythrow yexception() << "Cgi-parameter 'id' is not specified"; 
-        } else { 
+    {
+        if (request.GetParams().NumOfValues("id") == 0) {
+            ythrow yexception() << "Cgi-parameter 'id' is not specified";
+        } else {
             TString id = request.GetParams().Get("id");
-            const NLWTrace::TQuery& query = TraceMngr->GetTrace(id)->GetQuery(); 
+            const NLWTrace::TQuery& query = TraceMngr->GetTrace(id)->GetQuery();
             TString queryStr = query.DebugString();
-            WWW_HTML(out) { 
-                out << "<h2>Trace Query: " << id << "</h2><pre>" << queryStr; 
-            } 
+            WWW_HTML(out) {
+                out << "<h2>Trace Query: " << id << "</h2><pre>" << queryStr;
+            }
         }
     }
- 
+
     void OutputBuilder(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
-    { 
-        Y_UNUSED(request); 
-        WWW_HTML(out) { 
-            OutputNavbar(request, out); 
-            out << "<form class=\"form-horizontal\" action=\"?mode=new&ui=y\" method=\"POST\">"; 
-            DIV_CLASS("form-group") { 
-                LABEL_CLASS_FOR("col-sm-1 control-label", "inputId") { out << "Name"; } 
-                DIV_CLASS("col-sm-11") { 
-                    out << "<input class=\"form-control\" id=\"inputId\" name=\"id\" placeholder=\"mytrace\">"; 
-                } 
-            } 
-            DIV_CLASS("form-group") { 
-                LABEL_CLASS_FOR("col-sm-1 control-label", "textareaQuery") { out << "Query"; } 
-                DIV_CLASS("col-sm-11") { 
-                    out << "<textarea class=\"form-control\" id=\"textareaQuery\" name=\"query\" rows=\"10\"></textarea>"; 
-                } 
-            } 
-            DIV_CLASS("form-group") { 
-                DIV_CLASS("col-sm-offset-1 col-sm-11") { 
-                    out << "<button type=\"submit\" class=\"btn btn-default\">Trace</button>"; 
-                } 
-            } 
-            out << "</form>"; 
-        } 
-    } 
- 
+    {
+        Y_UNUSED(request);
+        WWW_HTML(out) {
+            OutputNavbar(request, out);
+            out << "<form class=\"form-horizontal\" action=\"?mode=new&ui=y\" method=\"POST\">";
+            DIV_CLASS("form-group") {
+                LABEL_CLASS_FOR("col-sm-1 control-label", "inputId") { out << "Name"; }
+                DIV_CLASS("col-sm-11") {
+                    out << "<input class=\"form-control\" id=\"inputId\" name=\"id\" placeholder=\"mytrace\">";
+                }
+            }
+            DIV_CLASS("form-group") {
+                LABEL_CLASS_FOR("col-sm-1 control-label", "textareaQuery") { out << "Query"; }
+                DIV_CLASS("col-sm-11") {
+                    out << "<textarea class=\"form-control\" id=\"textareaQuery\" name=\"query\" rows=\"10\"></textarea>";
+                }
+            }
+            DIV_CLASS("form-group") {
+                DIV_CLASS("col-sm-offset-1 col-sm-11") {
+                    out << "<button type=\"submit\" class=\"btn btn-default\">Trace</button>";
+                }
+            }
+            out << "</form>";
+        }
+    }
+
     void OutputAnalytics(const NMonitoring::IMonHttpRequest& request, TStringStream& out)
-    { 
-        using namespace NAnalytics; 
-        const TCgiParameters& e = request.GetParams(); 
- 
-        TLogSources logSources(Cleaner); 
-        TraceMngr->ReadTraces(logSources); 
-        ReadSnapshots(logSources); 
- 
-        RequireMultipleSelection(out, e, "id", "Analyze ", ListTraces(logSources)); 
- 
-        THolder<TLogFilter> logFilter; 
-        TLogAnalyzer* logAnalyzer = nullptr; 
-        TLogTrackExtractor* logTracks = nullptr; 
-        if (request.GetParams().Get("aggr") == "tracks") { 
-            logFilter.Reset(logTracks = new TLogTrackExtractor(e, 
-                Subvalues(request.GetParams(), "f"), 
-                Subvalues(request.GetParams(), "g") 
-            )); 
+    {
+        using namespace NAnalytics;
+        const TCgiParameters& e = request.GetParams();
+
+        TLogSources logSources(Cleaner);
+        TraceMngr->ReadTraces(logSources);
+        ReadSnapshots(logSources);
+
+        RequireMultipleSelection(out, e, "id", "Analyze ", ListTraces(logSources));
+
+        THolder<TLogFilter> logFilter;
+        TLogAnalyzer* logAnalyzer = nullptr;
+        TLogTrackExtractor* logTracks = nullptr;
+        if (request.GetParams().Get("aggr") == "tracks") {
+            logFilter.Reset(logTracks = new TLogTrackExtractor(e,
+                Subvalues(request.GetParams(), "f"),
+                Subvalues(request.GetParams(), "g")
+            ));
             for (const TString& id : Subvalues(request.GetParams(), "id")) {
-                CheckAdHocTrace(id, TDuration::Minutes(1)); 
-                TraceMngr->ReadLog(id, *logTracks); 
-                TraceMngr->ReadDepot(id, *logTracks); 
-            } 
-        } else { 
-            logFilter.Reset(logAnalyzer = new TLogAnalyzer( 
-                Subvalues(request.GetParams(), "f"), 
-                Subvalues(request.GetParams(), "g"), 
-                request.GetParams().Get("cutts") == "y" 
-            )); 
+                CheckAdHocTrace(id, TDuration::Minutes(1));
+                TraceMngr->ReadLog(id, *logTracks);
+                TraceMngr->ReadDepot(id, *logTracks);
+            }
+        } else {
+            logFilter.Reset(logAnalyzer = new TLogAnalyzer(
+                Subvalues(request.GetParams(), "f"),
+                Subvalues(request.GetParams(), "g"),
+                request.GetParams().Get("cutts") == "y"
+            ));
             for (const TString& id : Subvalues(request.GetParams(), "id")) {
-                CheckAdHocTrace(id, TDuration::Minutes(1)); 
-                TraceMngr->ReadLog(id, *logAnalyzer); 
-                TraceMngr->ReadDepot(id, *logAnalyzer); 
-            } 
-        } 
- 
-        logFilter->FilterSelectors(out, e, "f"); 
-
-        OptionalMultipleSelection(out, e, "g", "group by", logFilter->ListParamNames()); 
+                CheckAdHocTrace(id, TDuration::Minutes(1));
+                TraceMngr->ReadLog(id, *logAnalyzer);
+                TraceMngr->ReadDepot(id, *logAnalyzer);
+            }
+        }
+
+        logFilter->FilterSelectors(out, e, "f");
+
+        OptionalMultipleSelection(out, e, "g", "group by", logFilter->ListParamNames());
         {
             auto paramNamesList = logFilter->ListParamNames();
             if (e.Get("aggr") == "tracks") {
@@ -4140,7 +4140,7 @@ private:
             }
             OptionalSelection(out, e, "s", "order by", paramNamesList);
         }
- 
+
         if (e.Get("s")) {
             TVariants variants;
             variants.emplace_back("", "asc");
@@ -4149,130 +4149,130 @@ private:
         }
 
         TString aggr = e.Get("aggr");
-        TVariants variants1; // MSVS2013 doesn't understand complex initializer lists 
-        variants1.emplace_back("", "without aggregation"); 
-        variants1.emplace_back("hist", "as histogram"); 
-        variants1.emplace_back("tracks", "tracks"); 
-        DropdownSelector<Link>(out, e, "aggr", e.Get("aggr"), "", variants1); 
- 
-        unsigned refresh = e.Get("refresh")? 
-                    FromString<unsigned>(e.Get("refresh")): 
-                    1000; 
- 
-        if (aggr == "tracks") { 
-            TVariants ileVars; 
-            ileVars.emplace_back("0", "0"); 
-            ileVars.emplace_back("25", "25"); 
-            ileVars.emplace_back("50", "50"); 
-            ileVars.emplace_back("75", "75"); 
-            ileVars.emplace_back("", "90"); 
-            ileVars.emplace_back("95", "95"); 
-            ileVars.emplace_back("99", "99"); 
-            ileVars.emplace_back("99.9", "99.9"); 
-            ileVars.emplace_back("100", "100"); 
-            DropdownSelector<Link>(out, e, "ile", e.Get("ile"), "and show", ileVars); 
-            out << "%-ile. "; 
-            TString patternAnalyzer; 
+        TVariants variants1; // MSVS2013 doesn't understand complex initializer lists
+        variants1.emplace_back("", "without aggregation");
+        variants1.emplace_back("hist", "as histogram");
+        variants1.emplace_back("tracks", "tracks");
+        DropdownSelector<Link>(out, e, "aggr", e.Get("aggr"), "", variants1);
+
+        unsigned refresh = e.Get("refresh")?
+                    FromString<unsigned>(e.Get("refresh")):
+                    1000;
+
+        if (aggr == "tracks") {
+            TVariants ileVars;
+            ileVars.emplace_back("0", "0");
+            ileVars.emplace_back("25", "25");
+            ileVars.emplace_back("50", "50");
+            ileVars.emplace_back("75", "75");
+            ileVars.emplace_back("", "90");
+            ileVars.emplace_back("95", "95");
+            ileVars.emplace_back("99", "99");
+            ileVars.emplace_back("99.9", "99.9");
+            ileVars.emplace_back("100", "100");
+            DropdownSelector<Link>(out, e, "ile", e.Get("ile"), "and show", ileVars);
+            out << "%-ile. ";
+            TString patternAnalyzer;
             TString distBy;
             TString distType;
-            if (e.Get("pattern")) { 
-                TVariants analyzePatternVars; 
-                analyzePatternVars.emplace_back("resTotal", "distribution by total"); 
-                analyzePatternVars.emplace_back("resLast", "distribution by last"); 
-                analyzePatternVars.emplace_back("covMatrix", "covariance matrix"); 
-                DropdownSelector<Link>( 
-                    out, e, "ptrn_anlz", e.Get("ptrn_anlz"), 
-                    "Pattern", analyzePatternVars 
-                ); 
-                patternAnalyzer = e.Get("ptrn_anlz"); 
- 
-                TVariants distTypeVars; 
-                distTypeVars.emplace_back("", "as is"); 
-                distTypeVars.emplace_back("-stack", "cumulative"); 
-                DropdownSelector<Link>(out, e, "dist_type", e.Get("dist_type"), "", distTypeVars); 
-                distType = e.Get("dist_type"); 
-            } else { 
-                out << "<i>Select pattern for more options</i>"; 
-            } 
-            logTracks->Run(); 
- 
-            if (e.Get("download") == "y") { 
-                out.Clear(); 
-                out << 
-                    "HTTP/1.1 200 Ok\r\n" 
-                    "Content-Type: application/force-download\r\n" 
-                    "Content-Transfer-Encoding: binary\r\n" 
-                    "Content-Disposition: attachment; filename=\"trace_chrome.json\"\r\n" 
-                    "\r\n" 
-                    ; 
-                logTracks->OutputChromeTrace(out, e); 
-                return; 
-            } 
- 
-            NAnalytics::TTable distData; 
-            bool showSample = false; 
+            if (e.Get("pattern")) {
+                TVariants analyzePatternVars;
+                analyzePatternVars.emplace_back("resTotal", "distribution by total");
+                analyzePatternVars.emplace_back("resLast", "distribution by last");
+                analyzePatternVars.emplace_back("covMatrix", "covariance matrix");
+                DropdownSelector<Link>(
+                    out, e, "ptrn_anlz", e.Get("ptrn_anlz"),
+                    "Pattern", analyzePatternVars
+                );
+                patternAnalyzer = e.Get("ptrn_anlz");
+
+                TVariants distTypeVars;
+                distTypeVars.emplace_back("", "as is");
+                distTypeVars.emplace_back("-stack", "cumulative");
+                DropdownSelector<Link>(out, e, "dist_type", e.Get("dist_type"), "", distTypeVars);
+                distType = e.Get("dist_type");
+            } else {
+                out << "<i>Select pattern for more options</i>";
+            }
+            logTracks->Run();
+
+            if (e.Get("download") == "y") {
+                out.Clear();
+                out <<
+                    "HTTP/1.1 200 Ok\r\n"
+                    "Content-Type: application/force-download\r\n"
+                    "Content-Transfer-Encoding: binary\r\n"
+                    "Content-Disposition: attachment; filename=\"trace_chrome.json\"\r\n"
+                    "\r\n"
+                    ;
+                logTracks->OutputChromeTrace(out, e);
+                return;
+            }
+
+            NAnalytics::TTable distData;
+            bool showSample = false;
             TLogTextPrinter printer(e);
- 
-            if (patternAnalyzer == "resTotal" || patternAnalyzer == "resLast") { 
-                distBy = patternAnalyzer; 
-                distData = logTracks->Distribution(distBy, "", "", e.Get("width")); 
-                double sel_x1 = e.Get("sel_x1")? ParseDouble(e.Get("sel_x1")): NAN; 
-                double sel_x2 = e.Get("sel_x2")? ParseDouble(e.Get("sel_x2")): NAN; 
-                if (!isnan(sel_x1) && !isnan(sel_x2)) { 
-                    showSample = true; 
-                    TSampleOpts opts; 
-                    opts.ShowProvider = (e.Get("show_provider") == "y"); 
-                    if (e.Get("size_limit")) { 
-                        opts.SizeLimit = FromString<size_t>(e.Get("size_limit")); 
-                    } 
+
+            if (patternAnalyzer == "resTotal" || patternAnalyzer == "resLast") {
+                distBy = patternAnalyzer;
+                distData = logTracks->Distribution(distBy, "", "", e.Get("width"));
+                double sel_x1 = e.Get("sel_x1")? ParseDouble(e.Get("sel_x1")): NAN;
+                double sel_x2 = e.Get("sel_x2")? ParseDouble(e.Get("sel_x2")): NAN;
+                if (!isnan(sel_x1) && !isnan(sel_x2)) {
+                    showSample = true;
+                    TSampleOpts opts;
+                    opts.ShowProvider = (e.Get("show_provider") == "y");
+                    if (e.Get("size_limit")) {
+                        opts.SizeLimit = FromString<size_t>(e.Get("size_limit"));
+                    }
                     logTracks->OutputSample(distBy, sel_x1, sel_x2, opts, printer);
-                } 
-            } 
- 
+                }
+            }
+
             TString selectors = out.Str();
-            out.Clear(); 
-            out << NMonitoring::HTTPOKHTML; 
-            out << "<!DOCTYPE html>" << Endl; 
-            HTML(out) { 
-                HTML_TAG() { 
-                    HEAD() { 
-                        out << NResource::Find("lwtrace/mon/static/analytics.header.html") << Endl; 
-                        if (distBy) { 
-                            out << 
-                            "<script type=\"text/javascript\">\n" 
-                            "$(function() {\n" 
-                            "    var dataurl = null;\n" 
-                            "    var datajson = " << ToJsonFlot(distData, distBy, {"_count_sum" + distType}) << ";\n" 
-                            "    var refreshPeriod = 0;\n" 
-                            "    var xn = \"" << distBy << "\";\n" 
-                            "    var navigate = false;\n" 
-                              << NResource::Find("lwtrace/mon/static/analytics.js") << 
-                            "    embededMode();" 
-                            "    enableSelection();" 
-                            "});\n" 
-                            "</script>\n"; 
-                        } 
-                        // Show download button 
-                        out << 
-                        "<script type=\"text/javascript\">" 
-                        "$(function() {" 
-                        "    $(\"#download-btn\").click(function(){window.location.href='" 
-                                                         << MakeUrlAdd(e, "download", "y") << 
-                                                        "';});" 
-                        "    $(\"#download-btn\").removeClass(\"hidden\");" 
-                        "});" 
-                        "</script>\n"; 
-                    } 
-                    BODY() { 
-                        // Wrap selectors with navbar 
-                        { TSelectorsContainer sc(out); 
-                            out << selectors; 
-                        } 
- 
-                        logTracks->OutputTable(out, e); 
-                        if (distBy) { 
-                            out << NResource::Find("lwtrace/mon/static/analytics.flot.html") << Endl; 
-                            if (showSample) { 
+            out.Clear();
+            out << NMonitoring::HTTPOKHTML;
+            out << "<!DOCTYPE html>" << Endl;
+            HTML(out) {
+                HTML_TAG() {
+                    HEAD() {
+                        out << NResource::Find("lwtrace/mon/static/analytics.header.html") << Endl;
+                        if (distBy) {
+                            out <<
+                            "<script type=\"text/javascript\">\n"
+                            "$(function() {\n"
+                            "    var dataurl = null;\n"
+                            "    var datajson = " << ToJsonFlot(distData, distBy, {"_count_sum" + distType}) << ";\n"
+                            "    var refreshPeriod = 0;\n"
+                            "    var xn = \"" << distBy << "\";\n"
+                            "    var navigate = false;\n"
+                              << NResource::Find("lwtrace/mon/static/analytics.js") <<
+                            "    embededMode();"
+                            "    enableSelection();"
+                            "});\n"
+                            "</script>\n";
+                        }
+                        // Show download button
+                        out <<
+                        "<script type=\"text/javascript\">"
+                        "$(function() {"
+                        "    $(\"#download-btn\").click(function(){window.location.href='"
+                                                         << MakeUrlAdd(e, "download", "y") <<
+                                                        "';});"
+                        "    $(\"#download-btn\").removeClass(\"hidden\");"
+                        "});"
+                        "</script>\n";
+                    }
+                    BODY() {
+                        // Wrap selectors with navbar
+                        { TSelectorsContainer sc(out);
+                            out << selectors;
+                        }
+
+                        logTracks->OutputTable(out, e);
+                        if (distBy) {
+                            out << NResource::Find("lwtrace/mon/static/analytics.flot.html") << Endl;
+                            if (showSample) {
                                 static const THashSet<TString> keepParams = {
                                     "f",
                                     "g",
@@ -4302,134 +4302,134 @@ private:
                                 out << "<pre>\n";
                                 printer.Output(out);
                                 out << "</pre>\n";
-                            } 
-                        } 
- 
-                        if (patternAnalyzer == "covMatrix") { 
-                            logTracks->OutputSliceCovarianceMatrix(out, e); 
-                        } 
-                    } 
-                } 
-            } 
-        } else { 
-            double width = e.Get("width")? FromString<double>(e.Get("width")): 99; 
- 
-            NAnalytics::TTable data; 
-            if (aggr == "") { 
-                data = logAnalyzer->GetTable(); 
-            } else if (aggr == "hist") { 
-                RequireSelection(out, e, "bn", "by", logFilter->ListParamNames()); 
-                const NAnalytics::TTable& inputTable = logAnalyzer->GetTable(); 
+                            }
+                        }
+
+                        if (patternAnalyzer == "covMatrix") {
+                            logTracks->OutputSliceCovarianceMatrix(out, e);
+                        }
+                    }
+                }
+            }
+        } else {
+            double width = e.Get("width")? FromString<double>(e.Get("width")): 99;
+
+            NAnalytics::TTable data;
+            if (aggr == "") {
+                data = logAnalyzer->GetTable();
+            } else if (aggr == "hist") {
+                RequireSelection(out, e, "bn", "by", logFilter->ListParamNames());
+                const NAnalytics::TTable& inputTable = logAnalyzer->GetTable();
                 TString bn = e.Get("bn");
-                double b1 = e.Get("b1")? FromString<double>(e.Get("b1")): MinValue(bn, inputTable); 
-                double b2 = e.Get("b2")? FromString<double>(e.Get("b2")): MaxValue(bn, inputTable); 
-                if (isfinite(b1) && isfinite(b2)) { 
-                    WWW_CHECK(b1 <= b2, "invalid xrange [%le; %le]", b1, b2); 
-                    double dx = e.Get("dx")? FromString<double>(e.Get("dx")): (b2-b1)/width; 
-                    data = HistogramAll(inputTable, e.Get("bn"), b1, b2, dx); 
-                } else { 
-                    // Empty table -- it's ok -- leave data table empty 
-                } 
-            } 
- 
+                double b1 = e.Get("b1")? FromString<double>(e.Get("b1")): MinValue(bn, inputTable);
+                double b2 = e.Get("b2")? FromString<double>(e.Get("b2")): MaxValue(bn, inputTable);
+                if (isfinite(b1) && isfinite(b2)) {
+                    WWW_CHECK(b1 <= b2, "invalid xrange [%le; %le]", b1, b2);
+                    double dx = e.Get("dx")? FromString<double>(e.Get("dx")): (b2-b1)/width;
+                    data = HistogramAll(inputTable, e.Get("bn"), b1, b2, dx);
+                } else {
+                    // Empty table -- it's ok -- leave data table empty
+                }
+            }
+
             TString xn = e.Get("xn");
- 
+
             TString outFormat = e.Get("out");
-            TVariants variants2; 
-            variants2.emplace_back("html", "table"); 
-            variants2.emplace_back("flot", "chart"); 
-            variants2.emplace_back("gantt", "gantt"); 
-            variants2.emplace_back("text", "text"); 
-            variants2.emplace_back("csv", "CSV"); 
-            variants2.emplace_back("json_flot", "JSON"); 
-
-            RequireSelection(out, e, "out", "and show", variants2); 
-            if (outFormat == "csv") { 
+            TVariants variants2;
+            variants2.emplace_back("html", "table");
+            variants2.emplace_back("flot", "chart");
+            variants2.emplace_back("gantt", "gantt");
+            variants2.emplace_back("text", "text");
+            variants2.emplace_back("csv", "CSV");
+            variants2.emplace_back("json_flot", "JSON");
+
+            RequireSelection(out, e, "out", "and show", variants2);
+            if (outFormat == "csv") {
                 TString sep = e.Get("sep")? e.Get("sep"): TString("\t");
-                out.Clear(); 
-                out << NMonitoring::HTTPOKTEXT; 
-                out << ToCsv(data, sep, e.Get("head") != "n"); 
-            } else if (outFormat == "html") { 
+                out.Clear();
+                out << NMonitoring::HTTPOKTEXT;
+                out << ToCsv(data, sep, e.Get("head") != "n");
+            } else if (outFormat == "html") {
                 TString selectors = out.Str();
-                out.Clear(); 
-                WWW_HTML(out) { 
-                    // Wrap selectors with navbar 
-                    { TSelectorsContainer sc(out); 
-                        out << selectors; 
-                    } 
-                    out << ToHtml(data); 
-                } 
-            } else if (outFormat == "json_flot") { 
-                SeriesSelectors(out, e, "xn", "yns", data); 
-                out.Clear(); 
-                out << NMonitoring::HTTPOKJSON; 
+                out.Clear();
+                WWW_HTML(out) {
+                    // Wrap selectors with navbar
+                    { TSelectorsContainer sc(out);
+                        out << selectors;
+                    }
+                    out << ToHtml(data);
+                }
+            } else if (outFormat == "json_flot") {
+                SeriesSelectors(out, e, "xn", "yns", data);
+                out.Clear();
+                out << NMonitoring::HTTPOKJSON;
                 out << ToJsonFlot(data, xn, SplitString(e.Get("yns"), ":"));
-            } else if (outFormat == "flot") { 
-                SeriesSelectors(out, e, "xn", "yns", data); 
+            } else if (outFormat == "flot") {
+                SeriesSelectors(out, e, "xn", "yns", data);
                 TString selectors = out.Str();
- 
+
                 TVector<TString> ynos = SplitString(e.Get("yns"), ":");
-                out.Clear(); 
-                out << NMonitoring::HTTPOKHTML; 
-                out << "<!DOCTYPE html>" << Endl; 
-                HTML(out) { 
-                    HTML_TAG() { 
-                        HEAD() { 
-                            out << NResource::Find("lwtrace/mon/static/analytics.header.html") << Endl; 
-                            out << 
-                            "<script type=\"text/javascript\">\n" 
-                            "$(function() {\n" 
-                            "    var dataurl = \"" << EscapeJSONString(MakeUrl(e, "out", "json_flot")) << "\";\n" 
-                            "    var refreshPeriod = " << refresh << ";\n" 
-                            "    var xn = \"" << ParseName(xn) << "\";\n" 
-                            "    var navigate = true;\n" 
-                            << NResource::Find("lwtrace/mon/static/analytics.js") << 
-                            "});\n" 
-                            "</script>\n" 
-                            ; 
-                        } 
-                        BODY() { 
-                            // Wrap selectors with navbar 
-                            { TSelectorsContainer sc(out); 
-                                out << selectors; 
-                            } 
-                            out << NResource::Find("lwtrace/mon/static/analytics.flot.html") << Endl; 
-                        } 
-                    } 
-                } 
-            } else if (outFormat == "gantt") { 
-                TString selectors = out.Str(); 
-                out.Clear(); 
-                out << NMonitoring::HTTPOKHTML; 
-                out << "<!DOCTYPE html>" << Endl; 
-                HTML(out) { 
-                    HTML_TAG() { 
-                        HEAD() { 
-                            out << NResource::Find("lwtrace/mon/static/analytics.header.html") << Endl; 
-                            out << 
-                            "<script type=\"text/javascript\">\n" 
-                            "$(function() {\n" 
-                            "    var dataurl = \"" << EscapeJSONString(MakeUrl(e, {{"mode", "log"}, {"format", "json2"}, {"gantt",""}})) << "\";\n" 
-                            "    var refreshPeriod = " << refresh << ";\n" 
-                            "    var xn = \"" << ParseName(xn) << "\";\n" 
-                            "    var navigate = true;\n" 
-                            << NResource::Find("lwtrace/mon/static/analytics.js") << 
-                            "});\n" 
-                            "</script>\n" 
-                            ; 
-                        } 
-                        BODY() { 
-                            // Wrap selectors with navbar 
-                            { TSelectorsContainer sc(out); 
-                                out << selectors; 
-                            } 
-                            out << NResource::Find("lwtrace/mon/static/analytics.gantt.html") << Endl; 
-                        } 
-                    } 
-                } 
+                out.Clear();
+                out << NMonitoring::HTTPOKHTML;
+                out << "<!DOCTYPE html>" << Endl;
+                HTML(out) {
+                    HTML_TAG() {
+                        HEAD() {
+                            out << NResource::Find("lwtrace/mon/static/analytics.header.html") << Endl;
+                            out <<
+                            "<script type=\"text/javascript\">\n"
+                            "$(function() {\n"
+                            "    var dataurl = \"" << EscapeJSONString(MakeUrl(e, "out", "json_flot")) << "\";\n"
+                            "    var refreshPeriod = " << refresh << ";\n"
+                            "    var xn = \"" << ParseName(xn) << "\";\n"
+                            "    var navigate = true;\n"
+                            << NResource::Find("lwtrace/mon/static/analytics.js") <<
+                            "});\n"
+                            "</script>\n"
+                            ;
+                        }
+                        BODY() {
+                            // Wrap selectors with navbar
+                            { TSelectorsContainer sc(out);
+                                out << selectors;
+                            }
+                            out << NResource::Find("lwtrace/mon/static/analytics.flot.html") << Endl;
+                        }
+                    }
+                }
+            } else if (outFormat == "gantt") {
+                TString selectors = out.Str();
+                out.Clear();
+                out << NMonitoring::HTTPOKHTML;
+                out << "<!DOCTYPE html>" << Endl;
+                HTML(out) {
+                    HTML_TAG() {
+                        HEAD() {
+                            out << NResource::Find("lwtrace/mon/static/analytics.header.html") << Endl;
+                            out <<
+                            "<script type=\"text/javascript\">\n"
+                            "$(function() {\n"
+                            "    var dataurl = \"" << EscapeJSONString(MakeUrl(e, {{"mode", "log"}, {"format", "json2"}, {"gantt",""}})) << "\";\n"
+                            "    var refreshPeriod = " << refresh << ";\n"
+                            "    var xn = \"" << ParseName(xn) << "\";\n"
+                            "    var navigate = true;\n"
+                            << NResource::Find("lwtrace/mon/static/analytics.js") <<
+                            "});\n"
+                            "</script>\n"
+                            ;
+                        }
+                        BODY() {
+                            // Wrap selectors with navbar
+                            { TSelectorsContainer sc(out);
+                                out << selectors;
+                            }
+                            out << NResource::Find("lwtrace/mon/static/analytics.gantt.html") << Endl;
+                        }
+                    }
+                }
             } else if (outFormat = "text") {
-                out << " <input type='text' id='logsLimit' size='2' placeholder='Limit'>" << Endl; 
-                out << 
+                out << " <input type='text' id='logsLimit' size='2' placeholder='Limit'>" << Endl;
+                out <<
                     R"END(<script>
                     {
                         var url = new URL(window.location.href);
@@ -4468,7 +4468,7 @@ private:
                 HTML(out) {
                     HTML_TAG() {
                         HEAD() {
-                            out << NResource::Find("lwtrace/mon/static/analytics.header.html") << Endl; 
+                            out << NResource::Find("lwtrace/mon/static/analytics.header.html") << Endl;
                         }
                         BODY() {
                             // Wrap selectors with navbar
@@ -4511,213 +4511,213 @@ private:
                         }
                     }
                 }
-            } 
-        } 
-    } 
- 
+            }
+        }
+    }
+
     TDuration GetGetTimeout(const NMonitoring::IMonHttpRequest& request)
-    { 
-        return (request.GetParams().Has("timeout")? 
-                TDuration::Seconds(FromString<double>(request.GetParams().Get("timeout"))): 
-                TDuration::Max()); 
-    } 
- 
+    {
+        return (request.GetParams().Has("timeout")?
+                TDuration::Seconds(FromString<double>(request.GetParams().Get("timeout"))):
+                TDuration::Max());
+    }
+
     void PostNew(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
-    { 
-        WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified"); 
+    {
+        WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified");
         const TString& id = request.GetPostParams().Get("id");
-        bool ui = (request.GetParams().Get("ui") == "y"); 
-        TDuration timeout = GetGetTimeout(request); 
-        if (!CheckAdHocTrace(id, timeout)) { 
-            NLWTrace::TQuery query; 
+        bool ui = (request.GetParams().Get("ui") == "y");
+        TDuration timeout = GetGetTimeout(request);
+        if (!CheckAdHocTrace(id, timeout)) {
+            NLWTrace::TQuery query;
             TString queryStr = request.GetPostParams().Get("query");
-            if (!ui) { 
-                queryStr = Base64Decode(queryStr); // Needed for trace.sh (historically) 
-            } 
-            WWW_CHECK(queryStr, "Empty trace query"); 
-            bool parsed = NProtoBuf::TextFormat::ParseFromString(queryStr, &query); 
-            WWW_CHECK(parsed, "Trace query text protobuf parse failed"); // TODO[serxa]: report error line/col and message 
-            TraceMngr->New(id, query); 
-            Cleaner.Postpone(id, timeout, false); 
-        } else { 
+            if (!ui) {
+                queryStr = Base64Decode(queryStr); // Needed for trace.sh (historically)
+            }
+            WWW_CHECK(queryStr, "Empty trace query");
+            bool parsed = NProtoBuf::TextFormat::ParseFromString(queryStr, &query);
+            WWW_CHECK(parsed, "Trace query text protobuf parse failed"); // TODO[serxa]: report error line/col and message
+            TraceMngr->New(id, query);
+            Cleaner.Postpone(id, timeout, false);
+        } else {
             WWW_CHECK(!request.GetPostParams().Has("query"), "trace id '%s' is reserved for ad-hoc traces", id.data());
-        } 
-        if (ui) { 
-            WWW_HTML(out) { 
-                out << 
-                "<div class=\"jumbotron alert-success\">" 
-                "<h2>Trace created successfully</h2>" 
-                "</div>" 
-                "<script type=\"text/javascript\">\n" 
-                "$(function() {\n" 
-                "    setTimeout(function() {" 
-                "        window.location.replace('?');" 
-                "    }, 1000);" 
-                "});\n" 
-                "</script>\n"; 
-            } 
-        } else { 
-            out << HTTPOKTEXT; 
-            out << "OK\n"; 
-        } 
-    } 
- 
+        }
+        if (ui) {
+            WWW_HTML(out) {
+                out <<
+                "<div class=\"jumbotron alert-success\">"
+                "<h2>Trace created successfully</h2>"
+                "</div>"
+                "<script type=\"text/javascript\">\n"
+                "$(function() {\n"
+                "    setTimeout(function() {"
+                "        window.location.replace('?');"
+                "    }, 1000);"
+                "});\n"
+                "</script>\n";
+            }
+        } else {
+            out << HTTPOKTEXT;
+            out << "OK\n";
+        }
+    }
+
     void PostDelete(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
-    { 
-        WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified"); 
+    {
+        WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified");
         const TString& id = request.GetPostParams().Get("id");
-        bool ui = (request.GetParams().Get("ui") == "y"); 
-        TraceMngr->Delete(id); 
-        Cleaner.Forget(id); 
-        if (ui) { 
-            WWW_HTML(out) { 
-                out << 
-                "<div class=\"jumbotron alert-success\">" 
-                "<h2>Trace deleted successfully</h2>" 
-                "</div>" 
-                "<script type=\"text/javascript\">\n" 
-                "$(function() {\n" 
-                "    setTimeout(function() {" 
-                "        window.location.replace('?');" 
-                "    }, 1000);" 
-                "});\n" 
-                "</script>\n"; 
-            } 
-        } else { 
-            out << HTTPOKTEXT; 
-            out << "OK\n"; 
-        } 
-    } 
- 
+        bool ui = (request.GetParams().Get("ui") == "y");
+        TraceMngr->Delete(id);
+        Cleaner.Forget(id);
+        if (ui) {
+            WWW_HTML(out) {
+                out <<
+                "<div class=\"jumbotron alert-success\">"
+                "<h2>Trace deleted successfully</h2>"
+                "</div>"
+                "<script type=\"text/javascript\">\n"
+                "$(function() {\n"
+                "    setTimeout(function() {"
+                "        window.location.replace('?');"
+                "    }, 1000);"
+                "});\n"
+                "</script>\n";
+            }
+        } else {
+            out << HTTPOKTEXT;
+            out << "OK\n";
+        }
+    }
+
     void PostSnapshot(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
-    { 
-        WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified"); 
+    {
+        WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified");
         const TString& id = request.GetPostParams().Get("id");
-        bool ui = (request.GetParams().Get("ui") == "y"); 
-        TInstant now = TInstant::Now(); 
- 
-        TGuard<TMutex> g(SnapshotsMtx); 
-        const NLWTrace::TSession* trace = TraceMngr->GetTrace(id); 
-        struct tm tm0; 
+        bool ui = (request.GetParams().Get("ui") == "y");
+        TInstant now = TInstant::Now();
+
+        TGuard<TMutex> g(SnapshotsMtx);
+        const NLWTrace::TSession* trace = TraceMngr->GetTrace(id);
+        struct tm tm0;
         TString sid = id + Strftime("_%Y%m%d-%H%M%S", now.GmTime(&tm0));
-        TAtomicSharedPtr<NLWTrace::TLogPb>& pbPtr = Snapshots[sid]; 
-        pbPtr.Reset(new NLWTrace::TLogPb()); 
-        trace->ToProtobuf(*pbPtr); 
-        pbPtr->SetName(sid); 
-        if (ui) { 
-            WWW_HTML(out) { 
-                out << 
-                "<div class=\"jumbotron alert-success\">" 
-                "<h2>Snapshot created successfully</h2>" 
-                "</div>" 
-                "<script type=\"text/javascript\">\n" 
-                "$(function() {\n" 
-                "    setTimeout(function() {" 
-                "        window.location.replace('?');" 
-                "    }, 1000);" 
-                "});\n" 
-                "</script>\n"; 
-            } 
-        } else { 
-            out << HTTPOKTEXT; 
-            out << "OK\n"; 
-        } 
-    } 
- 
+        TAtomicSharedPtr<NLWTrace::TLogPb>& pbPtr = Snapshots[sid];
+        pbPtr.Reset(new NLWTrace::TLogPb());
+        trace->ToProtobuf(*pbPtr);
+        pbPtr->SetName(sid);
+        if (ui) {
+            WWW_HTML(out) {
+                out <<
+                "<div class=\"jumbotron alert-success\">"
+                "<h2>Snapshot created successfully</h2>"
+                "</div>"
+                "<script type=\"text/javascript\">\n"
+                "$(function() {\n"
+                "    setTimeout(function() {"
+                "        window.location.replace('?');"
+                "    }, 1000);"
+                "});\n"
+                "</script>\n";
+            }
+        } else {
+            out << HTTPOKTEXT;
+            out << "OK\n";
+        }
+    }
+
     void PostSetTimeout(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
-    { 
-        WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified"); 
+    {
+        WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified");
         const TString& id = request.GetPostParams().Get("id");
-        TDuration timeout = GetGetTimeout(request); 
-        bool ui = (request.GetParams().Get("ui") == "y"); 
-        Cleaner.Postpone(id, timeout, true); 
-        if (ui) { 
-            WWW_HTML(out) { 
-                out << 
-                "<div class=\"jumbotron alert-success\">" 
-                "<h2>Timeout changed successfully</h2>" 
-                "</div>" 
-                "<script type=\"text/javascript\">\n" 
-                "$(function() {\n" 
-                "    setTimeout(function() {" 
-                "        window.location.replace('?');" 
-                "    }, 1000);" 
-                "});\n" 
-                "</script>\n"; 
-            } 
-        } else { 
-            out << HTTPOKTEXT; 
-            out << "OK\n"; 
-        } 
-    } 
+        TDuration timeout = GetGetTimeout(request);
+        bool ui = (request.GetParams().Get("ui") == "y");
+        Cleaner.Postpone(id, timeout, true);
+        if (ui) {
+            WWW_HTML(out) {
+                out <<
+                "<div class=\"jumbotron alert-success\">"
+                "<h2>Timeout changed successfully</h2>"
+                "</div>"
+                "<script type=\"text/javascript\">\n"
+                "$(function() {\n"
+                "    setTimeout(function() {"
+                "        window.location.replace('?');"
+                "    }, 1000);"
+                "});\n"
+                "</script>\n";
+            }
+        } else {
+            out << HTTPOKTEXT;
+            out << "OK\n";
+        }
+    }
 
     void RegisterDashboard(const TString& dashConfig) {
         g_DashboardRegistry.Register(dashConfig);
     }
 
-private: 
-    // Returns true iff trace is ad-hoc and ensures trace is created 
+private:
+    // Returns true iff trace is ad-hoc and ensures trace is created
     bool CheckAdHocTrace(const TString& id, TDuration timeout)
-    { 
-        TAdHocTraceConfig cfg; 
-        if (cfg.ParseId(id)) { 
-            if (!TraceMngr->HasTrace(id)) { 
-                TraceMngr->New(id, cfg.Query()); 
-            } 
-            Cleaner.Postpone(id, timeout, false); 
-            return true; 
-        } 
-        return false; 
-    } 
+    {
+        TAdHocTraceConfig cfg;
+        if (cfg.ParseId(id)) {
+            if (!TraceMngr->HasTrace(id)) {
+                TraceMngr->New(id, cfg.Query());
+            }
+            Cleaner.Postpone(id, timeout, false);
+            return true;
+        }
+        return false;
+    }
 };
 
-void RegisterPages(NMonitoring::TMonService2* mon, bool allowUnsafe) { 
+void RegisterPages(NMonitoring::TMonService2* mon, bool allowUnsafe) {
     THolder<NLwTraceMonPage::TLWTraceMonPage> p = MakeHolder<NLwTraceMonPage::TLWTraceMonPage>(allowUnsafe);
-    mon->Register(p.Release()); 
- 
-#define WWW_STATIC_FILE(file, type) \ 
-        mon->Register(new TResourceMonPage(file, file, NMonitoring::TResourceMonPage::type)); 
-    WWW_STATIC_FILE("lwtrace/mon/static/common.css", CSS); 
-    WWW_STATIC_FILE("lwtrace/mon/static/common.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/css/bootstrap.min.css", CSS); 
-    WWW_STATIC_FILE("lwtrace/mon/static/css/d3-gantt.css", CSS); 
-    WWW_STATIC_FILE("lwtrace/mon/static/css/jquery.treegrid.css", CSS); 
-    WWW_STATIC_FILE("lwtrace/mon/static/analytics.css", CSS); 
-    WWW_STATIC_FILE("lwtrace/mon/static/fonts/glyphicons-halflings-regular.eot", FONT_EOT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/fonts/glyphicons-halflings-regular.svg", SVG); 
-    WWW_STATIC_FILE("lwtrace/mon/static/fonts/glyphicons-halflings-regular.ttf", FONT_TTF); 
-    WWW_STATIC_FILE("lwtrace/mon/static/fonts/glyphicons-halflings-regular.woff2", FONT_WOFF2); 
-    WWW_STATIC_FILE("lwtrace/mon/static/fonts/glyphicons-halflings-regular.woff", FONT_WOFF); 
-    WWW_STATIC_FILE("lwtrace/mon/static/img/collapse.png", PNG); 
-    WWW_STATIC_FILE("lwtrace/mon/static/img/expand.png", PNG); 
-    WWW_STATIC_FILE("lwtrace/mon/static/img/file.png", PNG); 
-    WWW_STATIC_FILE("lwtrace/mon/static/img/folder.png", PNG); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/bootstrap.min.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/d3.v4.min.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/d3-gantt.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/d3-tip-0.8.0-alpha.1.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/filesaver.min.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.flot.extents.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.flot.min.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.flot.navigate.min.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.flot.selection.min.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.min.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.treegrid.bootstrap3.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.treegrid.min.js", JAVASCRIPT); 
-    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.url.min.js", JAVASCRIPT); 
-#undef WWW_STATIC_FILE 
+    mon->Register(p.Release());
+
+#define WWW_STATIC_FILE(file, type) \
+        mon->Register(new TResourceMonPage(file, file, NMonitoring::TResourceMonPage::type));
+    WWW_STATIC_FILE("lwtrace/mon/static/common.css", CSS);
+    WWW_STATIC_FILE("lwtrace/mon/static/common.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/css/bootstrap.min.css", CSS);
+    WWW_STATIC_FILE("lwtrace/mon/static/css/d3-gantt.css", CSS);
+    WWW_STATIC_FILE("lwtrace/mon/static/css/jquery.treegrid.css", CSS);
+    WWW_STATIC_FILE("lwtrace/mon/static/analytics.css", CSS);
+    WWW_STATIC_FILE("lwtrace/mon/static/fonts/glyphicons-halflings-regular.eot", FONT_EOT);
+    WWW_STATIC_FILE("lwtrace/mon/static/fonts/glyphicons-halflings-regular.svg", SVG);
+    WWW_STATIC_FILE("lwtrace/mon/static/fonts/glyphicons-halflings-regular.ttf", FONT_TTF);
+    WWW_STATIC_FILE("lwtrace/mon/static/fonts/glyphicons-halflings-regular.woff2", FONT_WOFF2);
+    WWW_STATIC_FILE("lwtrace/mon/static/fonts/glyphicons-halflings-regular.woff", FONT_WOFF);
+    WWW_STATIC_FILE("lwtrace/mon/static/img/collapse.png", PNG);
+    WWW_STATIC_FILE("lwtrace/mon/static/img/expand.png", PNG);
+    WWW_STATIC_FILE("lwtrace/mon/static/img/file.png", PNG);
+    WWW_STATIC_FILE("lwtrace/mon/static/img/folder.png", PNG);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/bootstrap.min.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/d3.v4.min.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/d3-gantt.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/d3-tip-0.8.0-alpha.1.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/filesaver.min.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.flot.extents.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.flot.min.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.flot.navigate.min.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.flot.selection.min.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.min.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.treegrid.bootstrap3.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.treegrid.min.js", JAVASCRIPT);
+    WWW_STATIC_FILE("lwtrace/mon/static/js/jquery.url.min.js", JAVASCRIPT);
+#undef WWW_STATIC_FILE
 }
- 
-NLWTrace::TProbeRegistry& ProbeRegistry() { 
-    return g_Probes; 
-} 
- 
-NLWTrace::TManager& TraceManager(bool allowUnsafe) { 
-    return allowUnsafe? g_UnsafeManager: g_SafeManager; 
-} 
- 
+
+NLWTrace::TProbeRegistry& ProbeRegistry() {
+    return g_Probes;
+}
+
+NLWTrace::TManager& TraceManager(bool allowUnsafe) {
+    return allowUnsafe? g_UnsafeManager: g_SafeManager;
+}
+
 TDashboardRegistry& DashboardRegistry() {
     return g_DashboardRegistry;
 }
 
-} // namespace NLwTraceMonPage 
+} // namespace NLwTraceMonPage
diff --git a/library/cpp/lwtrace/mon/mon_lwtrace.h b/library/cpp/lwtrace/mon/mon_lwtrace.h
index 3c239d478c..8030f6ea61 100644
--- a/library/cpp/lwtrace/mon/mon_lwtrace.h
+++ b/library/cpp/lwtrace/mon/mon_lwtrace.h
@@ -1,27 +1,27 @@
 #pragma once
- 
-#include <library/cpp/lwtrace/protos/lwtrace.pb.h> 
+
+#include <library/cpp/lwtrace/protos/lwtrace.pb.h>
 #include <library/cpp/monlib/service/monservice.h>
 #include <library/cpp/lwtrace/control.h>
 
-#include <util/generic/vector.h> 
- 
-namespace NLwTraceMonPage { 
- 
+#include <util/generic/vector.h>
+
+namespace NLwTraceMonPage {
+
 class TDashboardRegistry {
-    THashMap<TString, NLWTrace::TDashboard> Dashboards; 
+    THashMap<TString, NLWTrace::TDashboard> Dashboards;
     TMutex Mutex;
 public:
-    void Register(const NLWTrace::TDashboard& dashboard); 
-    void Register(const TVector<NLWTrace::TDashboard>& dashboards); 
+    void Register(const NLWTrace::TDashboard& dashboard);
+    void Register(const TVector<NLWTrace::TDashboard>& dashboards);
     void Register(const TString& dashText);
-    bool Get(const TString& name, NLWTrace::TDashboard& dash); 
+    bool Get(const TString& name, NLWTrace::TDashboard& dash);
     void Output(TStringStream& ss);
 };
 
-void RegisterPages(NMonitoring::TMonService2* mon, bool allowUnsafe = false); 
-NLWTrace::TProbeRegistry& ProbeRegistry(); // This is not safe to use this function before main() 
-NLWTrace::TManager& TraceManager(bool allowUnsafe = false); 
+void RegisterPages(NMonitoring::TMonService2* mon, bool allowUnsafe = false);
+NLWTrace::TProbeRegistry& ProbeRegistry(); // This is not safe to use this function before main()
+NLWTrace::TManager& TraceManager(bool allowUnsafe = false);
 TDashboardRegistry& DashboardRegistry();
- 
-} // namespace NLwTraceMonPage 
+
+} // namespace NLwTraceMonPage
diff --git a/library/cpp/lwtrace/mon/static/analytics.css b/library/cpp/lwtrace/mon/static/analytics.css
index 916fb9136e..1b0c268e43 100644
--- a/library/cpp/lwtrace/mon/static/analytics.css
+++ b/library/cpp/lwtrace/mon/static/analytics.css
@@ -1,68 +1,68 @@
-#header { 
-	position: relative; 
-	width: 900px; 
-	margin: auto; 
-} 
- 
-#header h2 { 
-	margin-left: 10px; 
-	vertical-align: middle; 
-	font-size: 42px; 
-	font-weight: bold; 
-	text-decoration: none; 
-	color: #000; 
-} 
- 
-#errmsg { 
-        width: 95vw; 
-	margin: 0 auto; 
-	padding: 10px; 
-} 
- 
-#footer { 
-	margin-top: 25px; 
-	margin-bottom: 10px; 
-	text-align: center; 
-	font-size: 12px; 
-	color: #999; 
-} 
- 
-.chart-container { 
-        box-sizing: border-box; 
-        width: 90vw; 
-        height: 70vh; 
-        padding: 10px 0px 0px 0px; 
-        margin: 15px auto 30px auto; 
-} 
- 
-#playback div { display: inline-block; } 
-#playback input { display: inline-block; } 
- 
-.chart-placeholder { 
-	width: 100%; 
-	height: 100%; 
-	font-size: 14px; 
-	line-height: 1.2em; 
-} 
- 
-.legend table { 
-	border-spacing: 5px; 
-} 
- 
-.body-fullscreen { 
-        width: 100%; 
-        height: 100%; 
-        padding: 0; 
-        margin: 0; 
-} 
- 
-.container-fullscreen { 
-        width: 100vw; 
-        height: 100vh; 
-        margin: 0; 
-} 
- 
-.toolbar-fullscreen { 
-        display:none; 
-        margin: 0; 
-} 
+#header {
+	position: relative;
+	width: 900px;
+	margin: auto;
+}
+
+#header h2 {
+	margin-left: 10px;
+	vertical-align: middle;
+	font-size: 42px;
+	font-weight: bold;
+	text-decoration: none;
+	color: #000;
+}
+
+#errmsg {
+        width: 95vw;
+	margin: 0 auto;
+	padding: 10px;
+}
+
+#footer {
+	margin-top: 25px;
+	margin-bottom: 10px;
+	text-align: center;
+	font-size: 12px;
+	color: #999;
+}
+
+.chart-container {
+        box-sizing: border-box;
+        width: 90vw;
+        height: 70vh;
+        padding: 10px 0px 0px 0px;
+        margin: 15px auto 30px auto;
+}
+
+#playback div { display: inline-block; }
+#playback input { display: inline-block; }
+
+.chart-placeholder {
+	width: 100%;
+	height: 100%;
+	font-size: 14px;
+	line-height: 1.2em;
+}
+
+.legend table {
+	border-spacing: 5px;
+}
+
+.body-fullscreen {
+        width: 100%;
+        height: 100%;
+        padding: 0;
+        margin: 0;
+}
+
+.container-fullscreen {
+        width: 100vw;
+        height: 100vh;
+        margin: 0;
+}
+
+.toolbar-fullscreen {
+        display:none;
+        margin: 0;
+}
diff --git a/library/cpp/lwtrace/mon/static/analytics.flot.html b/library/cpp/lwtrace/mon/static/analytics.flot.html
index 9f2a2264fd..ea0a2880a5 100644
--- a/library/cpp/lwtrace/mon/static/analytics.flot.html
+++ b/library/cpp/lwtrace/mon/static/analytics.flot.html
@@ -1,49 +1,49 @@
-<div class="container-fluid" id="toolbar" style="margin:10px;width:92vw"> 
-    <div class="pull-right" id="playback"> 
-        <div class="btn-group" style="margin-right:40px"> 
-            <button type="button" class="btn btn-default" id="pb-linesfill">linesfill</button> 
-            <button type="button" class="btn btn-default" id="pb-linessteps">linessteps</button> 
-            <button type="button" class="btn btn-default" id="pb-linesshow">linesshow</button> 
-            <button type="button" class="btn btn-default" id="pb-pointsshow">pointsshow</button> 
-        </div> 
-        <div class="btn-group" style="margin-right:40px"> 
-            <button type="button" class="btn btn-default" id="pb-export">Export</button> 
-            <button type="button" class="btn btn-default" id="pb-import" data-toggle="modal" data-target="#importModal">Import</button> 
-        </div> 
-        <button type="button" class="btn btn-default hidden" id="pb-unselect">unselect</button> 
-        <button type="button" class="btn" id="pb-fullscreen">Fullscreen</button> 
-        <button type="button" class="btn" id="pb-autoscale" title="Enforce axis min/max value to be equal to min/max value of data points">Autoscale</button> 
-        <button type="button" class="btn" id="pb-legendshow">Legend</button> 
-        <button type="button" class="btn" id="pb-cutts" title="Cuts old items in every trace log to make them start from the same instant">Cut Tails</button> 
-        <button type="button" class="btn btn-default" id="pb-pause"><strong>||</strong></button> 
-    </div> 
- 
-    <div style="display:inline-block"> 
-        <div style="display: inline-block"> 
-            <span id="errmsg2" style="display:none"></span> 
-        </div> 
-    </div> 
-</div> 
- 
-<div class="chart-container" id="container"> 
-    <div id="placeholder" class="chart-placeholder"></div> 
-</div> 
- 
-<div class="modal fade" id="importModal" tabindex="-1" role="dialog" aria-labelledby="importModalLabel"> 
-    <div class="modal-dialog" role="document"> 
-        <div class="modal-content"> 
-            <div class="modal-header"> 
-                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span 
-                        aria-hidden="true">&times;</span></button> 
-                <h4 class="modal-title" id="importModalLabel">Import chart Data</h4> 
-            </div> 
-            <div class="modal-body"> 
-                <input type="file" id="importFiles" value="Import" /><br /> 
-            </div> 
-            <div class="modal-footer"> 
-                <button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button> 
-                <button type="button" class="btn btn-primary" id="btnDoImport">Import</button> 
-            </div> 
-        </div> 
-    </div> 
-</div> 
+<div class="container-fluid" id="toolbar" style="margin:10px;width:92vw">
+    <div class="pull-right" id="playback">
+        <div class="btn-group" style="margin-right:40px">
+            <button type="button" class="btn btn-default" id="pb-linesfill">linesfill</button>
+            <button type="button" class="btn btn-default" id="pb-linessteps">linessteps</button>
+            <button type="button" class="btn btn-default" id="pb-linesshow">linesshow</button>
+            <button type="button" class="btn btn-default" id="pb-pointsshow">pointsshow</button>
+        </div>
+        <div class="btn-group" style="margin-right:40px">
+            <button type="button" class="btn btn-default" id="pb-export">Export</button>
+            <button type="button" class="btn btn-default" id="pb-import" data-toggle="modal" data-target="#importModal">Import</button>
+        </div>
+        <button type="button" class="btn btn-default hidden" id="pb-unselect">unselect</button>
+        <button type="button" class="btn" id="pb-fullscreen">Fullscreen</button>
+        <button type="button" class="btn" id="pb-autoscale" title="Enforce axis min/max value to be equal to min/max value of data points">Autoscale</button>
+        <button type="button" class="btn" id="pb-legendshow">Legend</button>
+        <button type="button" class="btn" id="pb-cutts" title="Cuts old items in every trace log to make them start from the same instant">Cut Tails</button>
+        <button type="button" class="btn btn-default" id="pb-pause"><strong>||</strong></button>
+    </div>
+
+    <div style="display:inline-block">
+        <div style="display: inline-block">
+            <span id="errmsg2" style="display:none"></span>
+        </div>
+    </div>
+</div>
+
+<div class="chart-container" id="container">
+    <div id="placeholder" class="chart-placeholder"></div>
+</div>
+
+<div class="modal fade" id="importModal" tabindex="-1" role="dialog" aria-labelledby="importModalLabel">
+    <div class="modal-dialog" role="document">
+        <div class="modal-content">
+            <div class="modal-header">
+                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span
+                        aria-hidden="true">&times;</span></button>
+                <h4 class="modal-title" id="importModalLabel">Import chart Data</h4>
+            </div>
+            <div class="modal-body">
+                <input type="file" id="importFiles" value="Import" /><br />
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
+                <button type="button" class="btn btn-primary" id="btnDoImport">Import</button>
+            </div>
+        </div>
+    </div>
+</div>
diff --git a/library/cpp/lwtrace/mon/static/analytics.gantt.html b/library/cpp/lwtrace/mon/static/analytics.gantt.html
index 9b846510c9..cf41008900 100644
--- a/library/cpp/lwtrace/mon/static/analytics.gantt.html
+++ b/library/cpp/lwtrace/mon/static/analytics.gantt.html
@@ -1,26 +1,26 @@
-<div id="placeholder" class="chart-placeholder"></div> 
- 
-<div class="form-group"><label class="col-sm-1 control-label" for="textareaGantt">Config</label> 
-    <div class="col-sm-11"> 
-        <textarea class="form-control" id="textareaGantt" name="gantt" rows="5"> 
-{ 
- "bands": [ 
-  { 
-   "t1": "_thrRTime[0]", 
-   "t2": "_thrRTime[-1]", 
-   "band": "_thread", 
-   "color": "1", 
-   "colorScale": "colors1" 
-  } 
- ], 
- "scales": { 
-  "colors1": "linear().domain([-1,0,1]).range(['red','black','green'])", 
-  "colors2": "ordinal().domain(['VALUE1','VALUE2']).range(['blue','yellow'])" 
- } 
-} 
-        </textarea> 
-    </div> 
-</div> 
-<div class="form-group"> 
-    <div class="col-sm-offset-1 col-sm-11"><button class="btn btn-default" id="gantt-apply">Apply</button></div> 
-</div> 
+<div id="placeholder" class="chart-placeholder"></div>
+
+<div class="form-group"><label class="col-sm-1 control-label" for="textareaGantt">Config</label>
+    <div class="col-sm-11">
+        <textarea class="form-control" id="textareaGantt" name="gantt" rows="5">
+{
+ "bands": [
+  {
+   "t1": "_thrRTime[0]",
+   "t2": "_thrRTime[-1]",
+   "band": "_thread",
+   "color": "1",
+   "colorScale": "colors1"
+  }
+ ],
+ "scales": {
+  "colors1": "linear().domain([-1,0,1]).range(['red','black','green'])",
+  "colors2": "ordinal().domain(['VALUE1','VALUE2']).range(['blue','yellow'])"
+ }
+}
+        </textarea>
+    </div>
+</div>
+<div class="form-group">
+    <div class="col-sm-offset-1 col-sm-11"><button class="btn btn-default" id="gantt-apply">Apply</button></div>
+</div>
diff --git a/library/cpp/lwtrace/mon/static/analytics.header.html b/library/cpp/lwtrace/mon/static/analytics.header.html
index 53d080f41f..0a6790e232 100644
--- a/library/cpp/lwtrace/mon/static/analytics.header.html
+++ b/library/cpp/lwtrace/mon/static/analytics.header.html
@@ -1,21 +1,21 @@
-<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 
-<link rel="stylesheet" href="lwtrace/mon/static/analytics.css" type="text/css"> 
-<link rel="stylesheet" href="lwtrace/mon/static/css/d3-gantt.css" type="text/css"> 
-<link rel="stylesheet" href="lwtrace/mon/static/css/bootstrap.min.css"> 
-<link rel="stylesheet" href="lwtrace/mon/static/css/jquery.treegrid.css"> 
-<link rel="stylesheet" href="lwtrace/mon/static/common.css"> 
- 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.min.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.url.min.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.flot.min.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.flot.navigate.min.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.flot.extents.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.flot.selection.min.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.treegrid.min.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.treegrid.bootstrap3.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/bootstrap.min.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/filesaver.min.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/d3.v4.min.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/d3-tip-0.8.0-alpha.1.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/d3-gantt.js"></script> 
-<script language="javascript" type="text/javascript" src="lwtrace/mon/static/common.js"></script> 
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+<link rel="stylesheet" href="lwtrace/mon/static/analytics.css" type="text/css">
+<link rel="stylesheet" href="lwtrace/mon/static/css/d3-gantt.css" type="text/css">
+<link rel="stylesheet" href="lwtrace/mon/static/css/bootstrap.min.css">
+<link rel="stylesheet" href="lwtrace/mon/static/css/jquery.treegrid.css">
+<link rel="stylesheet" href="lwtrace/mon/static/common.css">
+
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.min.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.url.min.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.flot.min.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.flot.navigate.min.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.flot.extents.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.flot.selection.min.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.treegrid.min.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/jquery.treegrid.bootstrap3.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/bootstrap.min.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/filesaver.min.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/d3.v4.min.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/d3-tip-0.8.0-alpha.1.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/js/d3-gantt.js"></script>
+<script language="javascript" type="text/javascript" src="lwtrace/mon/static/common.js"></script>
diff --git a/library/cpp/lwtrace/mon/static/analytics.js b/library/cpp/lwtrace/mon/static/analytics.js
index 85b869869b..7b66cca4c0 100644
--- a/library/cpp/lwtrace/mon/static/analytics.js
+++ b/library/cpp/lwtrace/mon/static/analytics.js
@@ -1,561 +1,561 @@
-/* 
- * This code is executed from document ready function 
- * Also note that some variable are set from C++ code 
- */ 
- 
-var x1 = $.url("?x1"); 
-var x2 = $.url("?x2"); 
-var y1 = $.url("?y1"); 
-var y2 = $.url("?y2"); 
- 
-var gantt = $.url("?gantt"); 
-var out = $.url("?out"); 
- 
-var linesfill =    $.url("?linesfill")  == "y"; 
-var linessteps =   $.url("?linessteps") == "y"; 
-var linesshow =    $.url("?linesshow")  != "n"; 
-var pointsshow =   $.url("?pointsshow") != "n"; 
-var autoscale =    $.url("?autoscale")  == "y"; 
-var legendshow =   $.url("?legendshow") != "n"; 
-var cutts =        $.url("?cutts")      == "y"; 
-var fullscreen =   $.url("?fullscreen") == "y"; 
-var realnames =    $.url("?realnames")  == "y"; 
-var xzoomoff  =    $.url("?xzoomoff")   == "y"; 
-var yzoomoff  =    $.url("?yzoomoff")   == "y"; 
- 
-function inIframe() { try { return window.self !== window.top; } catch (e) { return true; } } 
-function inDashboard() { return fullscreen && inIframe(); } 
- 
-// URL management 
-function makeUrl(url, queryFunc, hashFunc) { 
-    var query = $.url("?", url); 
-    var hash = $.url("#", url); 
-    if (paused) { 
-        query.paused = "y"; 
-    } 
- 
-    if (queryFunc) { queryFunc(query); } 
-    if (hashFunc) { hashFunc(hash); } 
-    var queryStr = ""; 
-    var first = true; 
-    for (var k in query) { 
-        queryStr += (first? "?": "&") + k + "=" + encodeURIComponent(query[k]); 
-        first = false; 
-    } 
-    var hashStr = ""; 
-    first = true; 
-    for (k in hash) { 
-        hashStr += (first? "#": "&") + k + "=" + encodeURIComponent(hash[k]); 
-        first = false; 
-    } 
-    return queryStr + hashStr; 
-} 
- 
-function dataUrl() { 
-    return makeUrl(dataurl, function(query) { 
-        query.error = "text"; 
-    }); 
-} 
- 
-// Error message popup 
-$("<div id='errmsg'></div>").css({ 
-    position: "absolute", 
-    display: "none", 
-    border: "1px solid #faa", 
-    padding: "2px", 
-    "background-color": "#fcc", 
-    opacity: 0.80 
-}).appendTo("body"); 
- 
-if (out == "gantt") { 
-    $("#gantt-apply").click(function() { 
-        try { 
-            let val = $("#textareaGantt").val().replace(/\s/g, ""); 
-            JSON.parse(val); 
-            window.location.replace(makeUrl($.url(), function(query) { 
-                query.gantt = val; 
-            })); 
-        } catch(e) { 
-            $("#errmsg").text("Not valid JSON: " + e) 
-            .css({bottom: "5px", left: "25%", width: "50%"}) 
-            .fadeIn(200); 
-        } 
-    }); 
- 
-    if (gantt) { 
-        // Data fetching and auto-refreshing 
-        var fetchCounter = 0; 
-        function fetchData() { 
-            function onDataReceived(json, textStatus, xhr) { 
-                $("#errmsg").hide(); 
-                logs = json; 
-                chart(config, logs, true); 
-            } 
- 
-            function onDataError(xhr, error) { 
-                console.log(arguments); 
-                $("#errmsg").text("Fetch data error: " + error + (xhr.status == 200? xhr.responseText: "")) 
-                .css({bottom: "5px", left: "25%", width: "50%"}) 
-                .fadeIn(200); 
-            } 
- 
-            if (dataurl) { 
-                $.ajax({ 
-                    url: dataUrl(), 
-                    type: "GET", 
-                    dataType: "json", 
-                    success: function (json, textStatus, xhr) { onDataReceived(json, textStatus, xhr); }, 
-                    error: onDataError 
-                }); 
-            } else { 
-                onDataReceived(datajson, "textStatus", "xhr"); 
-            } 
- 
-            // if (fetchPeriod > 0) { 
-            //     if (fetchCounter == 0) { 
-            //         fetchCounter++; 
-            //         setTimeout(function() { 
-            //             fetchCounter--; 
-            //             if (!paused) { 
-            //                 fetchData(); 
-            //             } 
-            //         }, $("#errmsg").is(":visible")? errorPeriod: fetchPeriod); 
-            //     } 
-            // } 
-        } 
- 
-        try { 
-            var config = JSON.parse(gantt); 
-            $("#textareaGantt").val(JSON.stringify(config, "\n", " ")); 
-            let formHeight = 220; 
-            var chart = d3.gantt() 
-                .height(window.innerHeight - $("#placeholder")[0].getBoundingClientRect().y - window.scrollY - formHeight) 
-                .selector("#placeholder"); 
-            var logs = null; 
-            fetchData(); 
-        } catch(e) { 
-            $("#textareaGantt").val(gantt); 
-            alert("Not valid JSON: " + e); 
-        } 
-    } 
-} else { // flot 
-    // Special options adjustment for fullscreen charts in iframe (solomon dashboards) 
-    if (fullscreen) { 
-        navigate = false; // Disable navigation to avoid scrolling problems 
-        legendshow = false; // Show legend only on hover 
-    } 
- 
-    // Adjust zooming options 
-    var xZoomRange = null; 
-    var yZoomRange = null; 
-    if (xzoomoff) { 
-        xZoomRange = false; 
-    } 
-    if (yzoomoff) { 
-        yZoomRange = false; 
-    } 
- 
-    var placeholder =  $("#placeholder"); 
-    var playback =     $("#playback"); 
- 
-    var data = null; 
-    var loaded_data = []; 
-    var imported_data = []; 
-    var fetchPeriod = refreshPeriod; 
-    var errorPeriod = 5000; 
-    var playbackPeriod = 500; 
-    var abstimestep = 1.0; 
- 
-    var paused = $.url("?paused")  == "y"; 
-    var timestep = abstimestep; 
- 
-    var seriesDescription = { 
-        _time: "time", 
-        _thread: "thread" 
-    } 
- 
-    function seriesDesc(name) { 
-        if (seriesDescription.hasOwnProperty(name)) { 
-            return (realnames? "[" + name + "] ": "") + seriesDescription[name]; 
-        } else { 
-            return name; 
-        } 
-    } 
- 
-    playback.show(); 
- 
-    var options = { 
-        series: { 
-            lines: { show: linesshow, fill: linesfill, steps: linessteps}, 
-            points: { show: pointsshow }, 
-            shadowSize: 0 
-        }, 
-        xaxis: { zoomRange: xZoomRange }, 
-        yaxis: { zoomRange: yZoomRange }, 
-        grid: { clickable: true, hoverable: true }, 
-        zoom: { interactive: navigate }, 
-        pan: { interactive: navigate }, 
-        legend: { 
-            show: legendshow, 
-            labelFormatter: function(label, series) { return seriesDesc(label) + '(' + seriesDesc(xn) + ')'; } 
-        } 
-    }; 
- 
-    if (fullscreen) { 
-        $("body").attr("class","body-fullscreen"); 
-        $("#container").attr("class","container-fullscreen"); 
-        $("#toolbar").attr("class","toolbar-fullscreen"); 
-        $("#selectors-container").attr("class","toolbar-fullscreen"); 
-        options.grid.margin = 0; 
-    } 
- 
-    if (x1) { options.xaxis.min = x1; } 
-    if (x2) { options.xaxis.max = x2; } 
-    if (y1) { options.yaxis.min = y1; } 
-    if (y2) { options.yaxis.max = y2; } 
- 
-    $("<div id='tooltip'></div>").css({ 
-        position: "absolute", 
-        display: "none", 
-        border: "1px solid #fdd", 
-        padding: "2px", 
-        "background-color": "#fee", 
-        opacity: 0.80 
-    }).appendTo("body"); 
- 
-    // Helper to hide tooltip 
-    var lastShow = new Date(); 
-    var hideCounter = 0; 
-    function hideTooltip() { 
-        if (hideCounter == 0) { 
-            hideCounter++; 
-            setTimeout(function() { 
-                hideCounter--; 
-                if (new Date().getTime() - lastShow.getTime() > 1000) { 
-                    $("#tooltip").fadeOut(200); 
-                } else if ($("#tooltip").is(":visible")) { 
-                    hideTooltip(); 
-                } 
-            }, 200); 
-        } 
-    } 
- 
-    // Helper to hide legend 
-    var legendLastShow = new Date(); 
-    var legendHideCounter = 0; 
-    function hideLegend() { 
-        if (legendHideCounter == 0) { 
-            legendHideCounter++; 
-            setTimeout(function() { 
-                legendHideCounter--; 
-                if (new Date().getTime() - legendLastShow.getTime() > 1000) { 
-                    options.legend.show = false; 
-                    $.plot(placeholder, data, options); 
-                } else { 
-                    hideLegend(); 
-                } 
-            }, 200); 
-        } 
-    } 
- 
-    function onPlotClick(event, pos, item) { 
-        // Leave fullscreen on click 
-        var nonFullscreenUrl = makeUrl($.url(), function(query) { 
-            delete query.fullscreen; 
-        }); 
-        if (inDashboard()) { 
-            window.open(nonFullscreenUrl, "_blank"); 
-        } else if (fullscreen) { 
-            window.location.href = nonFullscreenUrl; 
-        } 
-    } 
- 
-    function onPlotHover(event, pos, item) { 
-        var redraw = false; 
-        // Show legend on hover 
-        if (fullscreen) { 
-            legendLastShow = new Date(); 
-            if (!options.legend.show) { 
-                redraw = true; 
-            } 
-            options.legend.show = true; 
-            hideLegend(); 
-        } 
- 
-        // Show names on hover 
-        var left = placeholder.position().left; 
-        var top = placeholder.position().top; 
-        var ttmargin = 10; 
-        var ttwidth = $("#tooltip").width(); 
-        var ttheight = $("#tooltip").height(); 
-        if (linessteps) { 
-            var pts = data[0].data; 
-            var idx = 0; 
-            for (var i = 0; i < pts.length - 1; i++) { 
-                var x1 = pts[i][0]; 
-                var x2 = pts[i+1][0]; 
-                if (pos.x >= x1 && (x2 == null || pos.x < x2)) { 
-                    idx = i; 
-                } 
-            } 
-            var n = pts[idx][2]; 
-            var html = (n? "<u><b><center>" + n + "</center></b></u>": "") + "<table><tr><td align=\"right\">" + seriesDesc(xn) + "</td><td>: </td><td>" + pts[idx][3] + "</td></tr>"; 
-            for (var sid = 0; sid < data.length; sid++) { 
-                var series = data[sid]; 
-                var y = series.data[idx][4]; 
-                html += "<tr><td align=\"right\">" + seriesDesc(series.label) + "</td><td>: </td><td>" + y + "</td></tr>"; 
-            } 
-            html += "</table>"; 
- 
-            lastShow = new Date(); 
-            if (pos.pageX < left + placeholder.width() && pos.pageX > left && 
-                pos.pageY < top + placeholder.height() && pos.pageY > top) { 
-                $("#tooltip").html(html) 
-                .css({top: Math.max(top + ttmargin + 10, pos.pageY - ttheight - 20), 
-                    left: Math.max(left + ttmargin + 10, pos.pageX - ttwidth - 20)}) 
-                .fadeIn(200, "swing", hideTooltip()); 
-            } 
-        } else { 
-            if (item) { 
-                var idx = item.dataIndex; 
-                var n = item.series.data[idx][2]; 
-                var x = item.series.data[idx][3]; //item.datapoint[0]; 
-                var y = item.series.data[idx][4]; //item.datapoint[1]; 
-                $("#tooltip").html((n? n + ": ": "") + seriesDesc(item.series.label) + " = " + y + ", " + seriesDesc(xn) + " = " + x) 
-                .css({top: Math.max(top + ttmargin + 10, item.pageY - ttheight - 20), 
-                    left: Math.max(left + ttmargin + 10, item.pageX - ttwidth - 20)}) 
-                .fadeIn(200); 
-            } else { 
-                $("#tooltip").hide(); 
-            } 
-        } 
- 
-        // Redraw if required 
-        if (redraw) { 
-            $.plot(placeholder, data, options); 
-        } 
-    } 
- 
-    // Add some more interactivity 
-    function onZoomOrPan(event, plot) { 
-        var axes = plot.getAxes(); 
-        options.xaxis.min = axes.xaxis.min; 
-        options.xaxis.max = axes.xaxis.max; 
-        options.yaxis.min = axes.yaxis.min; 
-        options.yaxis.max = axes.yaxis.max; 
-    } 
- 
-    // Bind to events 
-    placeholder.bind("plotclick", onPlotClick); 
-    placeholder.bind("plothover", onPlotHover); 
-    placeholder.bind("plotpan", onZoomOrPan); 
-    placeholder.bind("plotzoom", onZoomOrPan); 
- 
-    // Data fetching and auto-refreshing 
-    var fetchCounter = 0; 
-    function fetchData() { 
-        function onDataReceived(json, textStatus, xhr) { 
-            $("#errmsg").hide(); 
-            if (paused && logs) { 
-                return; 
-            } 
- 
-            // Plot fetched data 
-            loaded_data = json; 
-            data = loaded_data.concat(imported_data); 
- 
-            if (autoscale) { 
-                var xmin = null; 
-                var xmax = null; 
-                var ymin = null; 
-                var ymax = null; 
-                for (var sid = 0; sid < data.length; sid++) { 
-                    var pts = data[sid].data; 
-                    for (var i = 0; i < pts.length; i++) { 
-                        var x = pts[i][0]; 
-                        var y = pts[i][1]; 
-                        if (x != null && y != null) { 
-                            if (xmin == null || x < xmin) { xmin = x; } 
-                            if (xmax == null || x > xmax) { xmax = x; } 
-                            if (ymin == null || y < ymin) { ymin = y; } 
-                            if (ymax == null || y > ymax) { ymax = y; } 
-                        } 
-                    } 
-                } 
-                if (xmin != null) { options.xaxis.min = xmin; } 
-                if (xmax != null) { options.xaxis.max = xmax; } 
-                if (ymin != null) { options.yaxis.min = ymin; } 
-                if (ymax != null) { options.yaxis.max = ymax; } 
-            } 
-            $.plot(placeholder, data, options); 
-        } 
- 
-        function onDataError(xhr, error) { 
-            console.log(arguments); 
-            $("#errmsg").text("Fetch data error: " + error + (xhr.status == 200? xhr.responseText: "")) 
-            .css({bottom: "5px", left: "25%", width: "50%"}) 
-            .fadeIn(200); 
-        } 
- 
-        if (dataurl) { 
-            $.ajax({ 
-                url: dataUrl(), 
-                type: "GET", 
-                dataType: "json", 
-                success: function (json, textStatus, xhr) { onDataReceived(json, textStatus, xhr); }, 
-                error: onDataError 
-            }); 
-        } else { 
-            onDataReceived(datajson, "textStatus", "xhr"); 
-        } 
- 
-        if (fetchPeriod > 0) { 
-            if (fetchCounter == 0) { 
-                fetchCounter++; 
-                setTimeout(function() { 
-                    fetchCounter--; 
-                    if (!paused) { 
-                        fetchData(); 
-                    } 
-                }, $("#errmsg").is(":visible")? errorPeriod: fetchPeriod); 
-            } 
-        } 
-    } 
- 
-    // Playback control 
-    var pb_pause = $("#pb-pause"); 
- 
-    function setActive(btn, active) { 
-        if (active) { 
-            btn.addClass("btn-primary"); 
-            btn.removeClass("btn-default"); 
-        } else { 
-            btn.addClass("btn-default"); 
-            btn.removeClass("btn-primary"); 
-        } 
-    } 
- 
-    function onPlaybackControl() { 
-        setActive(pb_pause, paused); 
-        fetchPeriod = refreshPeriod; 
-        fetchData(); 
-    } 
- 
-    function clickPause(val) { 
-        paused = val; 
-        onPlaybackControl(); 
-    } 
- 
-    pb_pause.click(function() { clickPause(!paused); }); 
- 
-    function addOptionButton(opt, btn, defOn) { 
-        setActive(btn, defOn ? $.url("?" + opt) != "n" : $.url("?" + opt) == "y"); 
-        btn.click(function() { 
-            window.location.replace(makeUrl($.url(), function(query) { 
-                if (defOn) { 
-                    if ($.url("?" + opt) != "n") { 
-                        query[opt] = "n"; 
-                    } else { 
-                        delete query[opt]; 
-                    } 
-                } else { 
-                    if ($.url("?" + opt) == "y") { 
-                        delete query[opt]; 
-                    } else { 
-                        query[opt] = "y"; 
-                    } 
-                } 
-            })); 
-        }); 
-    } 
- 
-    // Options 
-    addOptionButton("linesfill", $("#pb-linesfill"), false); 
-    addOptionButton("linessteps", $("#pb-linessteps"), false); 
-    addOptionButton("linesshow", $("#pb-linesshow"), true); 
-    addOptionButton("pointsshow", $("#pb-pointsshow"), true); 
-    addOptionButton("legendshow", $("#pb-legendshow"), true); 
-    addOptionButton("cutts", $("#pb-cutts"), false); 
-    addOptionButton("autoscale", $("#pb-autoscale"), false); 
- 
-    var pb_fullscreen = $("#pb-fullscreen"); 
-    setActive(pb_fullscreen, fullscreen); 
-    pb_fullscreen.click(function(){ 
-        window.location.href = makeUrl($.url(), function(query) { 
-            if (fullscreen) { 
-                delete query.fullscreen; 
-            } else { 
-                query.fullscreen = "y"; 
-            } 
-        }); 
-    }); 
- 
-    // Embeded mode (in case there is other stuff on page) 
-    function embededMode() { 
-        $("#pb-fullscreen").hide(); 
-        $("#pb-autoscale").hide(); 
-        $("#pb-legendshow").hide(); 
-        $("#pb-pause").hide(); 
-    } 
- 
-    function enableSelection() { 
-        // Redraw chart with selection enabled 
-        options.selection = {mode: "x"}; 
-        var plot = $.plot(placeholder, data, options); 
-        if ($.url("?sel_x1") && $.url("?sel_x2")) { 
-            plot.setSelection({ 
-                xaxis: { 
-                    from: $.url("?sel_x1") , 
-                    to: $.url("?sel_x2") 
-                } 
-            }); 
-        } 
- 
-        // Create selection hooks 
-        placeholder.bind("plotselected", function (event, ranges) { 
-            window.location.replace(makeUrl($.url(), function(query) { 
-                query.sel_x1 = ranges.xaxis.from; 
-                query.sel_x2 = ranges.xaxis.to; 
-            })); 
-        }); 
-        placeholder.bind("plotunselected", function (event) { 
-            window.location.replace(makeUrl($.url(), function(query) { 
-                delete query.sel_x1; 
-                delete query.sel_x2; 
-            })); 
-        }); 
- 
-        // Init and show unselect button 
-        $("#pb-unselect").click(function () { 
-            plot.clearSelection(); 
-        }); 
-        $("#pb-unselect").removeClass("hidden"); 
-    } 
- 
-    // Export data 
-    var pb_export = $("#pb-export"); 
-    pb_export.click(function(){ 
-        var blob = new Blob([JSON.stringify(data)], {type: "application/json;charset=utf-8"}); 
-        saveAs(blob, "exported.json"); 
-    }); 
- 
-    // Import data 
-    $("#btnDoImport").click(function(){ 
-        var files = document.getElementById('importFiles').files; 
-        if (files.length <= 0) { 
-        return false; 
-        } 
- 
-        var fr = new FileReader(); 
-        fr.onload = function(e) { 
-            imported_data = imported_data.concat(JSON.parse(e.target.result)); 
-            data = loaded_data.concat(imported_data); 
-            $.plot(placeholder, data, options); 
-            $('#importModal').modal('hide'); 
-        } 
-        fr.readAsText(files.item(0)); 
-    }); 
- 
-    // Initialize stuff and fetch data 
-    onPlaybackControl(); 
-} 
+/*
+ * This code is executed from document ready function
+ * Also note that some variable are set from C++ code
+ */
+
+var x1 = $.url("?x1");
+var x2 = $.url("?x2");
+var y1 = $.url("?y1");
+var y2 = $.url("?y2");
+
+var gantt = $.url("?gantt");
+var out = $.url("?out");
+
+var linesfill =    $.url("?linesfill")  == "y";
+var linessteps =   $.url("?linessteps") == "y";
+var linesshow =    $.url("?linesshow")  != "n";
+var pointsshow =   $.url("?pointsshow") != "n";
+var autoscale =    $.url("?autoscale")  == "y";
+var legendshow =   $.url("?legendshow") != "n";
+var cutts =        $.url("?cutts")      == "y";
+var fullscreen =   $.url("?fullscreen") == "y";
+var realnames =    $.url("?realnames")  == "y";
+var xzoomoff  =    $.url("?xzoomoff")   == "y";
+var yzoomoff  =    $.url("?yzoomoff")   == "y";
+
+function inIframe() { try { return window.self !== window.top; } catch (e) { return true; } }
+function inDashboard() { return fullscreen && inIframe(); }
+
+// URL management
+function makeUrl(url, queryFunc, hashFunc) {
+    var query = $.url("?", url);
+    var hash = $.url("#", url);
+    if (paused) {
+        query.paused = "y";
+    }
+
+    if (queryFunc) { queryFunc(query); }
+    if (hashFunc) { hashFunc(hash); }
+    var queryStr = "";
+    var first = true;
+    for (var k in query) {
+        queryStr += (first? "?": "&") + k + "=" + encodeURIComponent(query[k]);
+        first = false;
+    }
+    var hashStr = "";
+    first = true;
+    for (k in hash) {
+        hashStr += (first? "#": "&") + k + "=" + encodeURIComponent(hash[k]);
+        first = false;
+    }
+    return queryStr + hashStr;
+}
+
+function dataUrl() {
+    return makeUrl(dataurl, function(query) {
+        query.error = "text";
+    });
+}
+
+// Error message popup
+$("<div id='errmsg'></div>").css({
+    position: "absolute",
+    display: "none",
+    border: "1px solid #faa",
+    padding: "2px",
+    "background-color": "#fcc",
+    opacity: 0.80
+}).appendTo("body");
+
+if (out == "gantt") {
+    $("#gantt-apply").click(function() {
+        try {
+            let val = $("#textareaGantt").val().replace(/\s/g, "");
+            JSON.parse(val);
+            window.location.replace(makeUrl($.url(), function(query) {
+                query.gantt = val;
+            }));
+        } catch(e) {
+            $("#errmsg").text("Not valid JSON: " + e)
+            .css({bottom: "5px", left: "25%", width: "50%"})
+            .fadeIn(200);
+        }
+    });
+
+    if (gantt) {
+        // Data fetching and auto-refreshing
+        var fetchCounter = 0;
+        function fetchData() {
+            function onDataReceived(json, textStatus, xhr) {
+                $("#errmsg").hide();
+                logs = json;
+                chart(config, logs, true);
+            }
+
+            function onDataError(xhr, error) {
+                console.log(arguments);
+                $("#errmsg").text("Fetch data error: " + error + (xhr.status == 200? xhr.responseText: ""))
+                .css({bottom: "5px", left: "25%", width: "50%"})
+                .fadeIn(200);
+            }
+
+            if (dataurl) {
+                $.ajax({
+                    url: dataUrl(),
+                    type: "GET",
+                    dataType: "json",
+                    success: function (json, textStatus, xhr) { onDataReceived(json, textStatus, xhr); },
+                    error: onDataError
+                });
+            } else {
+                onDataReceived(datajson, "textStatus", "xhr");
+            }
+
+            // if (fetchPeriod > 0) {
+            //     if (fetchCounter == 0) {
+            //         fetchCounter++;
+            //         setTimeout(function() {
+            //             fetchCounter--;
+            //             if (!paused) {
+            //                 fetchData();
+            //             }
+            //         }, $("#errmsg").is(":visible")? errorPeriod: fetchPeriod);
+            //     }
+            // }
+        }
+
+        try {
+            var config = JSON.parse(gantt);
+            $("#textareaGantt").val(JSON.stringify(config, "\n", " "));
+            let formHeight = 220;
+            var chart = d3.gantt()
+                .height(window.innerHeight - $("#placeholder")[0].getBoundingClientRect().y - window.scrollY - formHeight)
+                .selector("#placeholder");
+            var logs = null;
+            fetchData();
+        } catch(e) {
+            $("#textareaGantt").val(gantt);
+            alert("Not valid JSON: " + e);
+        }
+    }
+} else { // flot
+    // Special options adjustment for fullscreen charts in iframe (solomon dashboards)
+    if (fullscreen) {
+        navigate = false; // Disable navigation to avoid scrolling problems
+        legendshow = false; // Show legend only on hover
+    }
+
+    // Adjust zooming options
+    var xZoomRange = null;
+    var yZoomRange = null;
+    if (xzoomoff) {
+        xZoomRange = false;
+    }
+    if (yzoomoff) {
+        yZoomRange = false;
+    }
+
+    var placeholder =  $("#placeholder");
+    var playback =     $("#playback");
+
+    var data = null;
+    var loaded_data = [];
+    var imported_data = [];
+    var fetchPeriod = refreshPeriod;
+    var errorPeriod = 5000;
+    var playbackPeriod = 500;
+    var abstimestep = 1.0;
+
+    var paused = $.url("?paused")  == "y";
+    var timestep = abstimestep;
+
+    var seriesDescription = {
+        _time: "time",
+        _thread: "thread"
+    }
+
+    function seriesDesc(name) {
+        if (seriesDescription.hasOwnProperty(name)) {
+            return (realnames? "[" + name + "] ": "") + seriesDescription[name];
+        } else {
+            return name;
+        }
+    }
+
+    playback.show();
+
+    var options = {
+        series: {
+            lines: { show: linesshow, fill: linesfill, steps: linessteps},
+            points: { show: pointsshow },
+            shadowSize: 0
+        },
+        xaxis: { zoomRange: xZoomRange },
+        yaxis: { zoomRange: yZoomRange },
+        grid: { clickable: true, hoverable: true },
+        zoom: { interactive: navigate },
+        pan: { interactive: navigate },
+        legend: {
+            show: legendshow,
+            labelFormatter: function(label, series) { return seriesDesc(label) + '(' + seriesDesc(xn) + ')'; }
+        }
+    };
+
+    if (fullscreen) {
+        $("body").attr("class","body-fullscreen");
+        $("#container").attr("class","container-fullscreen");
+        $("#toolbar").attr("class","toolbar-fullscreen");
+        $("#selectors-container").attr("class","toolbar-fullscreen");
+        options.grid.margin = 0;
+    }
+
+    if (x1) { options.xaxis.min = x1; }
+    if (x2) { options.xaxis.max = x2; }
+    if (y1) { options.yaxis.min = y1; }
+    if (y2) { options.yaxis.max = y2; }
+
+    $("<div id='tooltip'></div>").css({
+        position: "absolute",
+        display: "none",
+        border: "1px solid #fdd",
+        padding: "2px",
+        "background-color": "#fee",
+        opacity: 0.80
+    }).appendTo("body");
+
+    // Helper to hide tooltip
+    var lastShow = new Date();
+    var hideCounter = 0;
+    function hideTooltip() {
+        if (hideCounter == 0) {
+            hideCounter++;
+            setTimeout(function() {
+                hideCounter--;
+                if (new Date().getTime() - lastShow.getTime() > 1000) {
+                    $("#tooltip").fadeOut(200);
+                } else if ($("#tooltip").is(":visible")) {
+                    hideTooltip();
+                }
+            }, 200);
+        }
+    }
+
+    // Helper to hide legend
+    var legendLastShow = new Date();
+    var legendHideCounter = 0;
+    function hideLegend() {
+        if (legendHideCounter == 0) {
+            legendHideCounter++;
+            setTimeout(function() {
+                legendHideCounter--;
+                if (new Date().getTime() - legendLastShow.getTime() > 1000) {
+                    options.legend.show = false;
+                    $.plot(placeholder, data, options);
+                } else {
+                    hideLegend();
+                }
+            }, 200);
+        }
+    }
+
+    function onPlotClick(event, pos, item) {
+        // Leave fullscreen on click
+        var nonFullscreenUrl = makeUrl($.url(), function(query) {
+            delete query.fullscreen;
+        });
+        if (inDashboard()) {
+            window.open(nonFullscreenUrl, "_blank");
+        } else if (fullscreen) {
+            window.location.href = nonFullscreenUrl;
+        }
+    }
+
+    function onPlotHover(event, pos, item) {
+        var redraw = false;
+        // Show legend on hover
+        if (fullscreen) {
+            legendLastShow = new Date();
+            if (!options.legend.show) {
+                redraw = true;
+            }
+            options.legend.show = true;
+            hideLegend();
+        }
+
+        // Show names on hover
+        var left = placeholder.position().left;
+        var top = placeholder.position().top;
+        var ttmargin = 10;
+        var ttwidth = $("#tooltip").width();
+        var ttheight = $("#tooltip").height();
+        if (linessteps) {
+            var pts = data[0].data;
+            var idx = 0;
+            for (var i = 0; i < pts.length - 1; i++) {
+                var x1 = pts[i][0];
+                var x2 = pts[i+1][0];
+                if (pos.x >= x1 && (x2 == null || pos.x < x2)) {
+                    idx = i;
+                }
+            }
+            var n = pts[idx][2];
+            var html = (n? "<u><b><center>" + n + "</center></b></u>": "") + "<table><tr><td align=\"right\">" + seriesDesc(xn) + "</td><td>: </td><td>" + pts[idx][3] + "</td></tr>";
+            for (var sid = 0; sid < data.length; sid++) {
+                var series = data[sid];
+                var y = series.data[idx][4];
+                html += "<tr><td align=\"right\">" + seriesDesc(series.label) + "</td><td>: </td><td>" + y + "</td></tr>";
+            }
+            html += "</table>";
+
+            lastShow = new Date();
+            if (pos.pageX < left + placeholder.width() && pos.pageX > left &&
+                pos.pageY < top + placeholder.height() && pos.pageY > top) {
+                $("#tooltip").html(html)
+                .css({top: Math.max(top + ttmargin + 10, pos.pageY - ttheight - 20),
+                    left: Math.max(left + ttmargin + 10, pos.pageX - ttwidth - 20)})
+                .fadeIn(200, "swing", hideTooltip());
+            }
+        } else {
+            if (item) {
+                var idx = item.dataIndex;
+                var n = item.series.data[idx][2];
+                var x = item.series.data[idx][3]; //item.datapoint[0];
+                var y = item.series.data[idx][4]; //item.datapoint[1];
+                $("#tooltip").html((n? n + ": ": "") + seriesDesc(item.series.label) + " = " + y + ", " + seriesDesc(xn) + " = " + x)
+                .css({top: Math.max(top + ttmargin + 10, item.pageY - ttheight - 20),
+                    left: Math.max(left + ttmargin + 10, item.pageX - ttwidth - 20)})
+                .fadeIn(200);
+            } else {
+                $("#tooltip").hide();
+            }
+        }
+
+        // Redraw if required
+        if (redraw) {
+            $.plot(placeholder, data, options);
+        }
+    }
+
+    // Add some more interactivity
+    function onZoomOrPan(event, plot) {
+        var axes = plot.getAxes();
+        options.xaxis.min = axes.xaxis.min;
+        options.xaxis.max = axes.xaxis.max;
+        options.yaxis.min = axes.yaxis.min;
+        options.yaxis.max = axes.yaxis.max;
+    }
+
+    // Bind to events
+    placeholder.bind("plotclick", onPlotClick);
+    placeholder.bind("plothover", onPlotHover);
+    placeholder.bind("plotpan", onZoomOrPan);
+    placeholder.bind("plotzoom", onZoomOrPan);
+
+    // Data fetching and auto-refreshing
+    var fetchCounter = 0;
+    function fetchData() {
+        function onDataReceived(json, textStatus, xhr) {
+            $("#errmsg").hide();
+            if (paused && logs) {
+                return;
+            }
+
+            // Plot fetched data
+            loaded_data = json;
+            data = loaded_data.concat(imported_data);
+
+            if (autoscale) {
+                var xmin = null;
+                var xmax = null;
+                var ymin = null;
+                var ymax = null;
+                for (var sid = 0; sid < data.length; sid++) {
+                    var pts = data[sid].data;
+                    for (var i = 0; i < pts.length; i++) {
+                        var x = pts[i][0];
+                        var y = pts[i][1];
+                        if (x != null && y != null) {
+                            if (xmin == null || x < xmin) { xmin = x; }
+                            if (xmax == null || x > xmax) { xmax = x; }
+                            if (ymin == null || y < ymin) { ymin = y; }
+                            if (ymax == null || y > ymax) { ymax = y; }
+                        }
+                    }
+                }
+                if (xmin != null) { options.xaxis.min = xmin; }
+                if (xmax != null) { options.xaxis.max = xmax; }
+                if (ymin != null) { options.yaxis.min = ymin; }
+                if (ymax != null) { options.yaxis.max = ymax; }
+            }
+            $.plot(placeholder, data, options);
+        }
+
+        function onDataError(xhr, error) {
+            console.log(arguments);
+            $("#errmsg").text("Fetch data error: " + error + (xhr.status == 200? xhr.responseText: ""))
+            .css({bottom: "5px", left: "25%", width: "50%"})
+            .fadeIn(200);
+        }
+
+        if (dataurl) {
+            $.ajax({
+                url: dataUrl(),
+                type: "GET",
+                dataType: "json",
+                success: function (json, textStatus, xhr) { onDataReceived(json, textStatus, xhr); },
+                error: onDataError
+            });
+        } else {
+            onDataReceived(datajson, "textStatus", "xhr");
+        }
+
+        if (fetchPeriod > 0) {
+            if (fetchCounter == 0) {
+                fetchCounter++;
+                setTimeout(function() {
+                    fetchCounter--;
+                    if (!paused) {
+                        fetchData();
+                    }
+                }, $("#errmsg").is(":visible")? errorPeriod: fetchPeriod);
+            }
+        }
+    }
+
+    // Playback control
+    var pb_pause = $("#pb-pause");
+
+    function setActive(btn, active) {
+        if (active) {
+            btn.addClass("btn-primary");
+            btn.removeClass("btn-default");
+        } else {
+            btn.addClass("btn-default");
+            btn.removeClass("btn-primary");
+        }
+    }
+
+    function onPlaybackControl() {
+        setActive(pb_pause, paused);
+        fetchPeriod = refreshPeriod;
+        fetchData();
+    }
+
+    function clickPause(val) {
+        paused = val;
+        onPlaybackControl();
+    }
+
+    pb_pause.click(function() { clickPause(!paused); });
+
+    function addOptionButton(opt, btn, defOn) {
+        setActive(btn, defOn ? $.url("?" + opt) != "n" : $.url("?" + opt) == "y");
+        btn.click(function() {
+            window.location.replace(makeUrl($.url(), function(query) {
+                if (defOn) {
+                    if ($.url("?" + opt) != "n") {
+                        query[opt] = "n";
+                    } else {
+                        delete query[opt];
+                    }
+                } else {
+                    if ($.url("?" + opt) == "y") {
+                        delete query[opt];
+                    } else {
+                        query[opt] = "y";
+                    }
+                }
+            }));
+        });
+    }
+
+    // Options
+    addOptionButton("linesfill", $("#pb-linesfill"), false);
+    addOptionButton("linessteps", $("#pb-linessteps"), false);
+    addOptionButton("linesshow", $("#pb-linesshow"), true);
+    addOptionButton("pointsshow", $("#pb-pointsshow"), true);
+    addOptionButton("legendshow", $("#pb-legendshow"), true);
+    addOptionButton("cutts", $("#pb-cutts"), false);
+    addOptionButton("autoscale", $("#pb-autoscale"), false);
+
+    var pb_fullscreen = $("#pb-fullscreen");
+    setActive(pb_fullscreen, fullscreen);
+    pb_fullscreen.click(function(){
+        window.location.href = makeUrl($.url(), function(query) {
+            if (fullscreen) {
+                delete query.fullscreen;
+            } else {
+                query.fullscreen = "y";
+            }
+        });
+    });
+
+    // Embeded mode (in case there is other stuff on page)
+    function embededMode() {
+        $("#pb-fullscreen").hide();
+        $("#pb-autoscale").hide();
+        $("#pb-legendshow").hide();
+        $("#pb-pause").hide();
+    }
+
+    function enableSelection() {
+        // Redraw chart with selection enabled
+        options.selection = {mode: "x"};
+        var plot = $.plot(placeholder, data, options);
+        if ($.url("?sel_x1") && $.url("?sel_x2")) {
+            plot.setSelection({
+                xaxis: {
+                    from: $.url("?sel_x1") ,
+                    to: $.url("?sel_x2")
+                }
+            });
+        }
+
+        // Create selection hooks
+        placeholder.bind("plotselected", function (event, ranges) {
+            window.location.replace(makeUrl($.url(), function(query) {
+                query.sel_x1 = ranges.xaxis.from;
+                query.sel_x2 = ranges.xaxis.to;
+            }));
+        });
+        placeholder.bind("plotunselected", function (event) {
+            window.location.replace(makeUrl($.url(), function(query) {
+                delete query.sel_x1;
+                delete query.sel_x2;
+            }));
+        });
+
+        // Init and show unselect button
+        $("#pb-unselect").click(function () {
+            plot.clearSelection();
+        });
+        $("#pb-unselect").removeClass("hidden");
+    }
+
+    // Export data
+    var pb_export = $("#pb-export");
+    pb_export.click(function(){
+        var blob = new Blob([JSON.stringify(data)], {type: "application/json;charset=utf-8"});
+        saveAs(blob, "exported.json");
+    });
+
+    // Import data
+    $("#btnDoImport").click(function(){
+        var files = document.getElementById('importFiles').files;
+        if (files.length <= 0) {
+        return false;
+        }
+
+        var fr = new FileReader();
+        fr.onload = function(e) {
+            imported_data = imported_data.concat(JSON.parse(e.target.result));
+            data = loaded_data.concat(imported_data);
+            $.plot(placeholder, data, options);
+            $('#importModal').modal('hide');
+        }
+        fr.readAsText(files.item(0));
+    });
+
+    // Initialize stuff and fetch data
+    onPlaybackControl();
+}
diff --git a/library/cpp/lwtrace/mon/static/common.js b/library/cpp/lwtrace/mon/static/common.js
index 38ca5e464c..42b93a6836 100644
--- a/library/cpp/lwtrace/mon/static/common.js
+++ b/library/cpp/lwtrace/mon/static/common.js
@@ -1,17 +1,17 @@
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"":A[e].format(c,b,x[0].cells[e],e),l.push(q.ignoreCase&&"string"===typeof c?c.toLowerCase():c),"numeric"===(A[e].type||"").toLowerCase()&&(k[e]=Math.max(Math.abs(c)||0,k[e]||0)));l[q.columns]=u;a.normalized.push(l)}a.colMax=k;q.totalRows+=a.normalized.length}q.showProcessing&&g.isProcessing(b);q.debug&&r("Building cache for "+w+" rows",n)}function B(b,a){var c=b.config,f=c.widgetOptions,e=b.tBodies,m=[],d=c.cache,l,n,w,u,p,q;if(k(d))return c.appender?c.appender(b,m):b.isUpdating?c.$table.trigger("updateComplete", b):"";c.debug&&(q=new Date);for(p=0;p<e.length;p++)if(l=h(e[p]),l.length&&!l.hasClass(c.cssInfoBlock)){w=g.processTbody(b,l,!0);l=d[p].normalized;n=l.length;for(u=0;u<n;u++)m.push(l[u][c.columns].$row),c.appender&&(!c.pager||c.pager.removeRows&&f.pager_removeRows||c.pager.ajax)||w.append(l[u][c.columns].$row);g.processTbody(b,w,!1)}c.appender&&c.appender(b,m);c.debug&&r("Rebuilt table",q);a||c.appender||g.applyWidget(b);b.isUpdating&&c.$table.trigger("updateComplete",b)}function F(b){return/^d/i.test(b)|| 1===b}function E(b){var a,c,f,e,m,x,l,n=b.config;n.headerList=[];n.headerContent=[];n.debug&&(l=new Date);n.columns=g.computeColumnIndex(n.$table.children("thead, tfoot").children("tr"));e=n.cssIcon?'<i class="'+(n.cssIcon===g.css.icon?g.css.icon:n.cssIcon+" "+g.css.icon)+'"></i>':"";n.$headers=h(h.map(h(b).find(n.selectorHeaders),function(l,d){c=h(l);if(!c.parent().hasClass(n.cssIgnoreRow))return a=g.getColumnData(b,n.headers,d,!0),n.headerContent[d]=c.html(),""!==n.headerTemplate&&(m=n.headerTemplate.replace(/\{content\}/g, c.html()).replace(/\{icon\}/g,e),n.onRenderTemplate&&(f=n.onRenderTemplate.apply(c,[d,m]))&&"string"===typeof f&&(m=f),c.html('<div class="'+g.css.headerIn+'">'+m+"</div>")),n.onRenderHeader&&n.onRenderHeader.apply(c,[d,n,n.$table]),l.column=parseInt(c.attr("data-column"),10),l.order=F(g.getData(c,a,"sortInitialOrder")||n.sortInitialOrder)?[1,0,2]:[0,1,2],l.count=-1,l.lockedOrder=!1,x=g.getData(c,a,"lockedOrder")||!1,"undefined"!==typeof x&&!1!==x&&(l.order=l.lockedOrder=F(x)?[1,1,1]:[0,0,0]),c.addClass(g.css.header+ " "+n.cssHeader),n.headerList[d]=l,c.parent().addClass(g.css.headerRow+" "+n.cssHeaderRow).attr("role","row"),n.tabIndex&&c.attr("tabindex",0),l}));h(b).find(n.selectorHeaders).attr({scope:"col",role:"columnheader"});H(b);n.debug&&(r("Built headers:",l),d(n.$headers))}function I(b,a,c){var f=b.config;f.$table.find(f.selectorRemove).remove();p(b);y(b);J(f.$table,a,c)}function H(b){var a,c,f,e=b.config;e.$headers.each(function(m,d){c=h(d);f=g.getColumnData(b,e.headers,m,!0);a="false"===g.getData(d, f,"sorter")||"false"===g.getData(d,f,"parser");d.sortDisabled=a;c[a?"addClass":"removeClass"]("sorter-false").attr("aria-disabled",""+a);b.id&&(a?c.removeAttr("aria-controls"):c.attr("aria-controls",b.id))})}function G(b){var a,c,f=b.config,e=f.sortList,m=e.length,d=g.css.sortNone+" "+f.cssNone,l=[g.css.sortAsc+" "+f.cssAsc,g.css.sortDesc+" "+f.cssDesc],n=[f.cssIconAsc,f.cssIconDesc,f.cssIconNone],w=["ascending","descending"],k=h(b).find("tfoot tr").children().add(f.$extraHeaders).removeClass(l.join(" ")); 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A)try{A.localStorage.setItem("_tmptest","temp"),g=!0,A.localStorage.removeItem("_tmptest")}catch(n){}k.parseJSON&&(g?e=k.parseJSON(localStorage[a]||"{}"):(h=document.cookie.split(/[;\s|=]/),e=k.inArray(a,h)+1,e=0!==e?k.parseJSON(h[e]||"{}"):{})); if((b||""===b)&&A.JSON&&JSON.hasOwnProperty("stringify"))e[d]||(e[d]={}),e[d][c]=b,g?localStorage[a]=JSON.stringify(e):(b=new Date,b.setTime(b.getTime()+31536E6),document.cookie=a+"="+JSON.stringify(e).replace(/\"/g,'"')+"; expires="+b.toGMTString()+"; path=/");else return e&&e[d]?e[d][c]:""}; e.addHeaderResizeEvent=function(c,a,b){c=k(c)[0];var d;b=k.extend({},{timer:250},b);var e=c.config,h=e.widgetOptions,g=function(a){h.resize_flag=!0;d=[];e.$headers.each(function(){var a=k(this),b=a.data("savedSizes")|| [0,0],c=this.offsetWidth,e=this.offsetHeight;if(c!==b[0]||e!==b[1])a.data("savedSizes",[c,e]),d.push(this)});d.length&&!1!==a&&e.$table.trigger("resize",[d]);h.resize_flag=!1};g(!1);clearInterval(h.resize_timer);if(a)return h.resize_flag=!1;h.resize_timer=setInterval(function(){h.resize_flag||g()},b.timer)}; e.addWidget({id:"uitheme",priority:10,format:function(c,a,b){var d,f,h,g=e.themes;d=a.$table;var m=a.$headers,n=a.theme||"jui",p=g[n]||g.jui,g=[p.sortNone,p.sortDesc,p.sortAsc,p.active].join(" "); a.debug&&(f=new Date);d.hasClass("tablesorter-"+n)&&a.theme===a.appliedTheme&&c.hasInitialized||(h=(c=p[a.appliedTheme]||{},[c.sortNone,c.sortDesc,c.sortAsc,c.active].join(" ")),c&&(b.zebra[0]=b.zebra[0].replace(" "+c.even,""),b.zebra[1]=b.zebra[1].replace(" "+c.odd,"")),""!==p.even&&(b.zebra[0]+=" "+p.even),""!==p.odd&&(b.zebra[1]+=" "+p.odd),d.children("caption").removeClass(c.caption).addClass(p.caption),b=d.removeClass(a.appliedTheme?"tablesorter-"+(a.appliedTheme||""):"").addClass("tablesorter-"+ n+" "+p.table).children("tfoot"),b.length&&b.children("tr").removeClass(c.footerRow||"").addClass(p.footerRow).children("th, 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p.icons)):(h=b.hasClass(e.css.sortAsc)?p.sortAsc:b.hasClass(e.css.sortDesc)?p.sortDesc:b.hasClass(e.css.header)?p.sortNone:"",b[h===p.sortNone?"removeClass":"addClass"](p.active),c.removeClass(g).addClass(h)));a.debug&&e.benchmark("Applying "+n+" theme",f)},remove:function(c,a){var b=a.$table,d=a.theme||"jui",f=e.themes[d]||e.themes.jui,h=b.children("thead").children(),g=f.sortNone+" "+f.sortDesc+" "+f.sortAsc;b.removeClass("tablesorter-"+d+" "+f.table).find(e.css.header).removeClass(f.header);h.unbind("mouseenter.tsuitheme mouseleave.tsuitheme").removeClass(f.hover+ " "+g+" "+f.active).find("."+e.css.filterRow).removeClass(f.filterRow);h.find("."+e.css.icon).removeClass(f.icons)}}); e.addWidget({id:"columns",priority:30,options:{columns:["primary","secondary","tertiary"]},format:function(c,a,b){var d,f,h,g,m,n,p=a.$table,r=a.$tbodies,w=a.sortList,x=w.length,t=b&&b.columns||["primary","secondary","tertiary"],u=t.length-1;m=t.join(" 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e.addWidget({id:"filter",priority:50,options:{filter_childRows:!1,filter_columnFilters:!0,filter_cellFilter:"",filter_cssFilter:"",filter_defaultFilter:{},filter_excludeFilter:{},filter_external:"",filter_filteredRow:"filtered",filter_formatter:null,filter_functions:null,filter_hideEmpty:!0, filter_hideFilters:!1,filter_ignoreCase:!0,filter_liveSearch:!0,filter_onlyAvail:"filter-onlyAvail",filter_placeholder:{search:"",select:""},filter_reset:null,filter_saveFilters:!1,filter_searchDelay:300,filter_searchFiltered:!0,filter_selectSource:null,filter_startsWith:!1,filter_useParsedData:!1,filter_serversideFiltering:!1,filter_defaultAttrib:"data-value",filter_selectSourceSeparator:"|"},format:function(c,a,b){a.$table.hasClass("hasFilters")||e.filter.init(c,a,b)},remove:function(c,a,b){var d, f=a.$tbodies;a.$table.removeClass("hasFilters").unbind("addRows updateCell update updateRows updateComplete appendCache filterReset filterEnd search ".split(" ").join(a.namespace+"filter 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null},wild:function(c,a){if(/[\?\*\|]/.test(a.iFilter)||e.filter.regex.orReplace.test(a.filter)){var b=a.index,d=a.parsed[b],d=e.filter.parseFilter(c,a.iFilter.replace(e.filter.regex.orReplace,"|"),b,d);!c.$headers.filter('[data-column="'+b+'"]:last').hasClass("filter-match")&&/\|/.test(d)&&("|"===d[d.length-1]&&(d+="*"),d=a.anyMatch&&k.isArray(a.rowArray)?"("+d+")":"^("+d+")$");return(new RegExp(d.replace(/\?/g,"\\S{1}").replace(/\*/g, "\\S*"))).test(a.iExact)}return null},fuzzy:function(c,a){if(/^~/.test(a.iFilter)){var b,d=0,f=a.iExact.length,h=e.filter.parseFilter(c,a.iFilter.slice(1),a.index,a.parsed[a.index]);for(b=0;b<f;b++)a.iExact[b]===h[d]&&(d+=1);return d===h.length?!0:!1}return null}},init:function(c,a,b){e.language=k.extend(!0,{},{to:"to",or:"or",and:"and"},e.language);var d,f,h,g,m,n,p;d=e.filter.regex;a.$table.addClass("hasFilters");b.searchTimer=null;b.filter_initTimer=null;b.filter_formatterCount=0;b.filter_formatterInit= [];b.filter_anyColumnSelector='[data-column="all"],[data-column="any"]';b.filter_multipleColumnSelector='[data-column*="-"],[data-column*=","]';h="\\{"+e.filter.regex.query+"\\}";k.extend(d,{child:new RegExp(a.cssChildRow),filtered:new RegExp(b.filter_filteredRow),alreadyFiltered:new RegExp("(\\s+("+e.language.or+"|-|"+e.language.to+")\\s+)","i"),toTest:new RegExp("\\s+(-|"+e.language.to+")\\s+","i"),toSplit:new RegExp("(?:\\s+(?:-|"+e.language.to+")\\s+)","gi"),andTest:new RegExp("\\s+("+e.language.and+ "|&&)\\s+","i"),andSplit:new RegExp("(?:\\s+(?:"+e.language.and+"|&&)\\s+)","gi"),orReplace:new RegExp("\\s+("+e.language.or+")\\s+","gi"),iQuery:new RegExp(h,"i"),igQuery:new RegExp(h,"ig")});!1!==b.filter_columnFilters&&a.$headers.filter(".filter-false, .parser-false").length!==a.$headers.length&&e.filter.buildRow(c,a,b);a.$table.bind("addRows updateCell update updateRows updateComplete appendCache filterReset filterEnd search ".split(" ").join(a.namespace+"filter "),function(d,f){a.$table.find("."+ e.css.filterRow).toggle(!(b.filter_hideEmpty&&k.isEmptyObject(a.cache)&&(!a.delayInit||"appendCache"!==d.type)));/(search|filter)/.test(d.type)||(d.stopPropagation(),e.filter.buildDefault(c,!0));"filterReset"===d.type?(a.$table.find("."+e.css.filter).add(b.filter_$externalFilters).val(""),e.filter.searching(c,[])):"filterEnd"===d.type?e.filter.buildDefault(c,!0):(f="search"===d.type?f:"updateComplete"===d.type?a.$table.data("lastSearch"):"",/(update|add)/.test(d.type)&&"updateComplete"!==d.type&& (a.lastCombinedFilter=null,a.lastSearch=[]),e.filter.searching(c,f,!0));return!1});b.filter_reset&&(b.filter_reset instanceof k?b.filter_reset.click(function(){a.$table.trigger("filterReset")}):k(b.filter_reset).length&&k(document).undelegate(b.filter_reset,"click.tsfilter").delegate(b.filter_reset,"click.tsfilter",function(){a.$table.trigger("filterReset")}));if(b.filter_functions)for(m=0;m<a.columns;m++)if(h=e.getColumnData(c,b.filter_functions,m))if(g=a.$headers.filter('[data-column="'+m+'"]:last').removeClass("filter-select"), p=!(g.hasClass("filter-false")||g.hasClass("parser-false")),d="",!0===h&&p)e.filter.buildSelect(c,m);else if("object"===typeof h&&p){for(f in h)"string"===typeof f&&(d+=""===d?'<option value="">'+(g.data("placeholder")||g.attr("data-placeholder")||b.filter_placeholder.select||"")+"</option>":"",h=p=f,0<=f.indexOf(b.filter_selectSourceSeparator)&&(p=f.split(b.filter_selectSourceSeparator),h=p[1],p=p[0]),d+="<option "+(h===p?"":'data-function-name="'+f+'" ')+'value="'+p+'">'+h+"</option>");a.$table.find("thead").find("select."+ e.css.filter+'[data-column="'+m+'"]').append(d)}e.filter.buildDefault(c,!0);e.filter.bindSearch(c,a.$table.find("."+e.css.filter),!0);b.filter_external&&e.filter.bindSearch(c,b.filter_external);b.filter_hideFilters&&e.filter.hideFilters(c,a);a.showProcessing&&a.$table.bind("filterStart"+a.namespace+"filter filterEnd"+a.namespace+"filter",function(b,d){g=d?a.$table.find("."+e.css.header).filter("[data-column]").filter(function(){return""!==d[k(this).data("column")]}):"";e.isProcessing(c,"filterStart"=== b.type,d?g:"")});a.filteredRows=a.totalRows;a.$table.bind("tablesorter-initialized pagerBeforeInitialized",function(){var b=this.config.widgetOptions;n=e.filter.setDefaults(c,a,b)||[];n.length&&(a.delayInit&&""===n.join("")||e.setFilters(c,n,!0));a.$table.trigger("filterFomatterUpdate");setTimeout(function(){b.filter_initialized||e.filter.filterInitComplete(a)},100)});a.pager&&a.pager.initialized&&!b.filter_initialized&&(a.$table.trigger("filterFomatterUpdate"),setTimeout(function(){e.filter.filterInitComplete(a)}, 100))},formatterUpdated:function(c,a){var b=c.closest("table")[0].config.widgetOptions;b.filter_initialized||(b.filter_formatterInit[a]=1)},filterInitComplete:function(c){var a=c.widgetOptions,b=0,d=function(){a.filter_initialized=!0;c.$table.trigger("filterInit",c);e.filter.findRows(c.table,c.$table.data("lastSearch")||[])};k.isEmptyObject(a.filter_formatter)?d():(k.each(a.filter_formatterInit,function(a,c){1===c&&b++}),clearTimeout(a.filter_initTimer),a.filter_initialized||b!==a.filter_formatterCount)? a.filter_initialized||(a.filter_initTimer=setTimeout(function(){d()},500)):d()},setDefaults:function(c,a,b){var d,f=e.getFilters(c)||[];b.filter_saveFilters&&e.storage&&(d=e.storage(c,"tablesorter-filters")||[],(c=k.isArray(d))&&""===d.join("")||!c||(f=d));if(""===f.join(""))for(c=0;c<a.columns;c++)f[c]=a.$headers.filter('[data-column="'+c+'"]:last').attr(b.filter_defaultAttrib)||f[c];a.$table.data("lastSearch",f);return f},parseFilter:function(c,a,b,d,e){return e||d?c.parsers[b].format(a,c.table, [],b):a},buildRow:function(c,a,b){var d,f,h,g,m=a.columns;h=k.isArray(b.filter_cellFilter);g='<tr role="row" class="'+e.css.filterRow+'">';for(f=0;f<m;f++)g=h?g+("<td"+(b.filter_cellFilter[f]?' class="'+b.filter_cellFilter[f]+'"':"")+"></td>"):g+("<td"+(""!==b.filter_cellFilter?' class="'+b.filter_cellFilter+'"':"")+"></td>");a.$filters=k(g+"</tr>").appendTo(a.$table.children("thead").eq(0)).find("td");for(f=0;f<m;f++)h=a.$headers.filter('[data-column="'+f+'"]:last'),g=e.getColumnData(c,b.filter_functions, f),g=b.filter_functions&&g&&"function"!==typeof g||h.hasClass("filter-select"),d=e.getColumnData(c,a.headers,f),d="false"===e.getData(h[0],d,"filter")||"false"===e.getData(h[0],d,"parser"),g?g=k("<select>").appendTo(a.$filters.eq(f)):((g=e.getColumnData(c,b.filter_formatter,f))?(b.filter_formatterCount++,(g=g(a.$filters.eq(f),f))&&0===g.length&&(g=a.$filters.eq(f).children("input")),g&&(0===g.parent().length||g.parent().length&&g.parent()[0]!==a.$filters[f])&&a.$filters.eq(f).append(g)):g=k('<input type="search">').appendTo(a.$filters.eq(f)), g&&g.attr("placeholder",h.data("placeholder")||h.attr("data-placeholder")||b.filter_placeholder.search||"")),g&&(h=(k.isArray(b.filter_cssFilter)?"undefined"!==typeof b.filter_cssFilter[f]?b.filter_cssFilter[f]||"":"":b.filter_cssFilter)||"",g.addClass(e.css.filter+" "+h).attr("data-column",f),d&&(g.attr("placeholder","").addClass("disabled")[0].disabled=!0))},bindSearch:function(c,a,b){c=k(c)[0];a=k(a);if(a.length){var d=c.config,f=d.widgetOptions,h=f.filter_$externalFilters;!0!==b&&(f.filter_$anyMatch= a.filter(f.filter_anyColumnSelector+","+f.filter_multipleColumnSelector),f.filter_$externalFilters=h&&h.length?f.filter_$externalFilters.add(a):a,e.setFilters(c,d.$table.data("lastSearch")||[],!1===b));a.attr("data-lastSearchTime",(new Date).getTime()).unbind(["keypress","keyup","search","change",""].join(d.namespace+"filter ")).bind("keyup"+d.namespace+"filter",function(a){k(this).attr("data-lastSearchTime",(new Date).getTime());if(27===a.which)this.value="";else if(!1===f.filter_liveSearch||""!== this.value&&("number"===typeof f.filter_liveSearch&&this.value.length<f.filter_liveSearch||13!==a.which&&8!==a.which&&(32>a.which||37<=a.which&&40>=a.which)))return;e.filter.searching(c,!0,!0)}).bind(["search","change","keypress",""].join(d.namespace+"filter "),function(a){var b=k(this).data("column");if(13===a.which||"search"===a.type||"change"===a.type&&this.value!==d.lastSearch[b])a.preventDefault(),k(this).attr("data-lastSearchTime",(new Date).getTime()),e.filter.searching(c,!1,!0)})}},searching:function(c, a,b){var d=c.config.widgetOptions;clearTimeout(d.searchTimer);"undefined"===typeof a||!0===a?d.searchTimer=setTimeout(function(){e.filter.checkFilters(c,a,b)},d.filter_liveSearch?d.filter_searchDelay:10):e.filter.checkFilters(c,a,b)},checkFilters:function(c,a,b){var d=c.config,f=d.widgetOptions,h=k.isArray(a),g=h?a:e.getFilters(c,!0),m=(g||[]).join("");if(k.isEmptyObject(d.cache))d.delayInit&&d.pager&&d.pager.initialized&&d.$table.trigger("updateCache",[function(){e.filter.checkFilters(c,!1,b)}]); else if(h&&(e.setFilters(c,g,!1,!0!==b),f.filter_initialized||(d.lastCombinedFilter="")),f.filter_hideFilters&&d.$table.find("."+e.css.filterRow).trigger(""===m?"mouseleave":"mouseenter"),d.lastCombinedFilter!==m||!1===a)if(!1===a&&(d.lastCombinedFilter=null,d.lastSearch=[]),f.filter_initialized&&d.$table.trigger("filterStart",[g]),d.showProcessing)setTimeout(function(){e.filter.findRows(c,g,m);return!1},30);else return e.filter.findRows(c,g,m),!1},hideFilters:function(c,a){var b,d,f;k(c).find("."+ e.css.filterRow).addClass("hideme").bind("mouseenter mouseleave",function(c){b=k(this);clearTimeout(f);f=setTimeout(function(){/enter|over/.test(c.type)?b.removeClass("hideme"):k(document.activeElement).closest("tr")[0]!==b[0]&&""===a.lastCombinedFilter&&b.addClass("hideme")},200)}).find("input, select").bind("focus blur",function(b){d=k(this).closest("tr");clearTimeout(f);f=setTimeout(function(){if(""===e.getFilters(a.$table).join(""))d["focus"===b.type?"removeClass":"addClass"]("hideme")},200)})}, defaultFilter:function(c,a){if(""===c)return c;var b=e.filter.regex.iQuery,d=a.match(e.filter.regex.igQuery).length,f=1<d?k.trim(c).split(/\s/):[k.trim(c)],h=f.length-1,g=0,m=a;for(1>h&&1<d&&(f[1]=f[0]);b.test(m);)m=m.replace(b,f[g++]||""),b.test(m)&&g<h&&""!==(f[g]||"")&&(m=a.replace(b,m));return m},getLatestSearch:function(c){return c.sort(function(a,b){return k(b).attr("data-lastSearchTime")-k(a).attr("data-lastSearchTime")})},multipleColumns:function(c,a){var b,d;b=c.widgetOptions;var f=b.filter_initialized|| !a.filter(b.filter_anyColumnSelector).length,h=[],g=k.trim(e.filter.getLatestSearch(a).attr("data-column"));f&&/-/.test(g)&&(b=g.match(/(\d+)\s*-\s*(\d+)/g),k.each(b,function(a,b){var d;d=b.split(/\s*-\s*/);var e=parseInt(d[0],10)||0,f=parseInt(d[1],10)||c.columns-1;e>f&&(d=e,e=f,f=d);for(f>=c.columns&&(f=c.columns-1);e<=f;e++)h.push(e);g=g.replace(b,"")}));f&&/,/.test(g)&&(b=g.split(/\s*,\s*/),k.each(b,function(a,b){""!==b&&(d=parseInt(b,10),d<c.columns&&h.push(d))}));if(!h.length)for(d=0;d<c.columns;d++)h.push(d); return h},findRows:function(c,a,b){if(c.config.lastCombinedFilter!==b&&c.config.widgetOptions.filter_initialized){var d,f,h,g,m,n,p,r,w,x,t,u,y,A,z,B,C,G,D,H,F=e.filter.regex,q=c.config,v=q.widgetOptions,I=q.$table.children("tbody"),l={anyMatch:!1},J=["range","notMatch","operators"];l.parsed=q.$headers.map(function(a){return q.parsers&&q.parsers[a]&&q.parsers[a].parsed||e.getData&&"parsed"===e.getData(q.$headers.filter('[data-column="'+a+'"]:last'),e.getColumnData(c,q.headers,a),"filter")||k(this).hasClass("filter-parsed")}).get(); q.debug&&(e.log("Starting filter widget search",a),A=new Date);q.filteredRows=0;q.totalRows=0;b=(a||[]).join("");for(g=0;g<I.length;g++)if(!I.eq(g).hasClass(q.cssInfoBlock||e.css.info)){m=e.processTbody(c,I.eq(g),!0);r=q.columns;f=k(k.map(q.cache[g].normalized,function(a){return a[r].$row.get()}));if(""===b||v.filter_serversideFiltering)f.removeClass(v.filter_filteredRow).not("."+q.cssChildRow).show();else{f=f.not("."+q.cssChildRow);d=f.length;B=v.filter_searchFiltered;h=q.lastSearch||q.$table.data("lastSearch")|| [];if(B)for(n=0;n<r+1;n++)z=a[n]||"",B||(n=r),B=B&&h.length&&0===z.indexOf(h[n]||"")&&!F.alreadyFiltered.test(z)&&!/[=\"\|!]/.test(z)&&!(/(>=?\s*-\d)/.test(z)||/(<=?\s*\d)/.test(z))&&!(""!==z&&q.$filters&&q.$filters.eq(n).find("select").length&&!q.$headers.filter('[data-column="'+n+'"]:last').hasClass("filter-match"));z=f.not("."+v.filter_filteredRow).length;B&&0===z&&(B=!1);q.debug&&e.log("Searching through "+(B&&z<d?z:"all")+" rows");if(v.filter_$anyMatch&&v.filter_$anyMatch.length||a[q.columns])l.anyMatchFlag= !0,l.anyMatchFilter=v.filter_$anyMatch&&e.filter.getLatestSearch(v.filter_$anyMatch).val()||a[q.columns]||"",q.sortLocaleCompare&&(l.anyMatchFilter=e.replaceAccents(l.anyMatchFilter)),v.filter_defaultFilter&&F.iQuery.test(e.getColumnData(c,v.filter_defaultFilter,q.columns,!0)||"")&&(l.anyMatchFilter=e.filter.defaultFilter(l.anyMatchFilter,e.getColumnData(c,v.filter_defaultFilter,q.columns,!0)),B=!1),l.iAnyMatchFilter=v.filter_ignoreCase&&q.ignoreCase?l.anyMatchFilter.toLocaleLowerCase():l.anyMatchFilter; for(h=0;h<d;h++)if(l.cacheArray=q.cache[g].normalized[h],w=f[h].className,!(F.child.test(w)||B&&F.filtered.test(w))){y=!0;w=f.eq(h).nextUntil("tr:not(."+q.cssChildRow+")");l.childRowText=w.length&&v.filter_childRows?w.text():"";l.childRowText=v.filter_ignoreCase?l.childRowText.toLocaleLowerCase():l.childRowText;n=f.eq(h).children();if(l.anyMatchFlag){r=e.filter.multipleColumns(q,v.filter_$anyMatch);l.anyMatch=!0;l.rowArray=n.map(function(a){if(-1<k.inArray(a,r))return l.parsed[a]?a=l.cacheArray[a]: (a=v.filter_ignoreCase?k(this).text().toLowerCase():k(this).text(),q.sortLocaleCompare&&(a=e.replaceAccents(a))),a}).get();l.filter=l.anyMatchFilter;l.iFilter=l.iAnyMatchFilter;l.exact=l.rowArray.join(" ");l.iExact=v.filter_ignoreCase?l.exact.toLowerCase():l.exact;l.cache=l.cacheArray.slice(0,-1).join(" ");C=null;k.each(e.filter.types,function(a,b){if(0>k.inArray(a,J)&&(t=b(q,l),null!==t))return C=t,!1});if(null!==C)y=C;else if(v.filter_startsWith)for(y=!1,r=q.columns;!y&&0<r;)r--,y=y||0===l.rowArray[r].indexOf(l.iFilter); else y=0<=(l.iExact+l.childRowText).indexOf(l.iFilter);l.anyMatch=!1}for(r=0;r<q.columns;r++)l.filter=a[r],l.index=r,G=(e.getColumnData(c,v.filter_excludeFilter,r,!0)||"").split(/\s+/),l.filter&&(l.cache=l.cacheArray[r],v.filter_useParsedData||l.parsed[r]?l.exact=l.cache:(l.exact=k.trim(n.eq(r).text()),l.exact=q.sortLocaleCompare?e.replaceAccents(l.exact):l.exact),l.iExact=!F.type.test(typeof l.exact)&&v.filter_ignoreCase?l.exact.toLocaleLowerCase():l.exact,u=y,H=v.filter_columnFilters?q.$filters.add(q.$externalFilters).filter('[data-column="'+ r+'"]').find("select option:selected").attr("data-function-name")||"":"",l.filter=q.sortLocaleCompare?e.replaceAccents(l.filter):l.filter,z=!0,v.filter_defaultFilter&&F.iQuery.test(e.getColumnData(c,v.filter_defaultFilter,r)||"")&&(l.filter=e.filter.defaultFilter(l.filter,e.getColumnData(c,v.filter_defaultFilter,r)),z=!1),l.iFilter=v.filter_ignoreCase?(l.filter||"").toLocaleLowerCase():l.filter,D=e.getColumnData(c,v.filter_functions,r),p=q.$headers.filter('[data-column="'+r+'"]:last'),x=p.hasClass("filter-select"), D||x&&z?!0===D||x?u=p.hasClass("filter-match")?0<=l.iExact.search(l.iFilter):l.filter===l.exact:"function"===typeof D?u=D(l.exact,l.cache,l.filter,r,f.eq(h)):"function"===typeof D[H||l.filter]&&(u=D[H||l.filter](l.exact,l.cache,l.filter,r,f.eq(h))):(C=null,k.each(e.filter.types,function(a,b){if(0>k.inArray(a,G)&&(t=b(q,l),null!==t))return C=t,!1}),null!==C?u=C:(l.exact=(l.iExact+l.childRowText).indexOf(e.filter.parseFilter(q,l.iFilter,r,l.parsed[r])),u=!v.filter_startsWith&&0<=l.exact||v.filter_startsWith&& 0===l.exact)),y=u?y:!1);f.eq(h).toggle(y).toggleClass(v.filter_filteredRow,!y);w.length&&w.toggleClass(v.filter_filteredRow,!y)}}q.filteredRows+=f.not("."+v.filter_filteredRow).length;q.totalRows+=f.length;e.processTbody(c,m,!1)}q.lastCombinedFilter=b;q.lastSearch=a;q.$table.data("lastSearch",a);v.filter_saveFilters&&e.storage&&e.storage(c,"tablesorter-filters",a);q.debug&&e.benchmark("Completed filter widget search",A);v.filter_initialized&&q.$table.trigger("filterEnd",q);setTimeout(function(){q.$table.trigger("applyWidgets")}, 0)}},getOptionSource:function(c,a,b){var d,f=c.config,h=[],g=!1,m=f.widgetOptions.filter_selectSource,n=f.$table.data("lastSearch")||[],p=k.isFunction(m)?!0:e.getColumnData(c,m,a);b&&""!==n[a]&&(b=!1);if(!0===p)g=m(c,a,b);else{if(p instanceof k||"string"===k.type(p)&&0<=p.indexOf("</option>"))return p;k.isArray(p)?g=p:"object"===k.type(m)&&p&&(g=p(c,a,b))}!1===g&&(g=e.filter.getOptions(c,a,b));g=k.grep(g,function(a,b){return k.inArray(a,g)===b});f.$headers.filter('[data-column="'+a+'"]:last').hasClass("filter-select-nosort")|| (k.each(g,function(b,d){h.push({t:d,p:f.parsers&&f.parsers[a].format(d,c,[],a)})}),d=f.textSorter||"",h.sort(function(b,f){var g=b.p.toString(),h=f.p.toString();return k.isFunction(d)?d(g,h,!0,a,c):"object"===typeof d&&d.hasOwnProperty(a)?d[a](g,h,!0,a,c):e.sortNatural?e.sortNatural(g,h):!0}),g=[],k.each(h,function(a,b){g.push(b.t)}));return g},getOptions:function(c,a,b){var d,e,h,g,m=c.config,n=m.widgetOptions,p=m.$table.children("tbody"),r=[];for(d=0;d<p.length;d++)if(!p.eq(d).hasClass(m.cssInfoBlock))for(g= m.cache[d],e=m.cache[d].normalized.length,c=0;c<e;c++)h=g.row?g.row[c]:g.normalized[c][m.columns].$row[0],b&&h.className.match(n.filter_filteredRow)||(n.filter_useParsedData||m.parsers[a].parsed||m.$headers.filter('[data-column="'+a+'"]:last').hasClass("filter-parsed")?r.push(""+g.normalized[c][a]):(h=h.cells[a])&&r.push(k.trim(h.textContent||h.innerText||k(h).text())));return r},buildSelect:function(c,a,b,d,f){c=k(c)[0];a=parseInt(a,10);if(c.config.cache&&!k.isEmptyObject(c.config.cache)){var h, g;g=c.config;var m=g.widgetOptions,n=g.$headers.filter('[data-column="'+a+'"]:last'),n='<option value="">'+(n.data("placeholder")||n.attr("data-placeholder")||m.filter_placeholder.select||"")+"</option>",p=g.$table.find("thead").find("select."+e.css.filter+'[data-column="'+a+'"]').val();if("undefined"===typeof b||""===b)b=e.filter.getOptionSource(c,a,f);if(k.isArray(b)){for(c=0;c<b.length;c++)f=h=b[c]=(""+b[c]).replace(/\"/g,"&quot;"),0<=h.indexOf(m.filter_selectSourceSeparator)&&(h=h.split(m.filter_selectSourceSeparator), f=h[0],h=h[1]),n+=""!==b[c]?"<option "+(f===h?"":'data-function-name="'+b[c]+'" ')+'value="'+f+'">'+h+"</option>":"";b=[]}g=(g.$filters?g.$filters:g.$table.children("thead")).find("."+e.css.filter);m.filter_$externalFilters&&(g=g&&g.length?g.add(m.filter_$externalFilters):m.filter_$externalFilters);a=g.filter('select[data-column="'+a+'"]');a.length&&(a[d?"html":"append"](n),k.isArray(b)||a.append(b).val(p),a.val(p))}},buildDefault:function(c,a){var b,d,f,h=c.config,g=h.widgetOptions,k=h.columns;for(b= 0;b<k;b++)d=h.$headers.filter('[data-column="'+b+'"]:last'),f=!(d.hasClass("filter-false")||d.hasClass("parser-false")),(d.hasClass("filter-select")||!0===e.getColumnData(c,g.filter_functions,b))&&f&&e.filter.buildSelect(c,b,"",a,d.hasClass(g.filter_onlyAvail))}}; e.getFilters=function(c,a,b,d){var f,h,g=!1,m=c?k(c)[0].config:"",n=m?m.widgetOptions:"";if(!0!==a&&n&&!n.filter_columnFilters)return k(c).data("lastSearch");if(m&&(m.$filters&&(f=m.$filters.find("."+e.css.filter)),n.filter_$externalFilters&& (f=f&&f.length?f.add(n.filter_$externalFilters):n.filter_$externalFilters),f&&f.length))for(g=b||[],c=0;c<m.columns+1;c++)h=c===m.columns?n.filter_anyColumnSelector+","+n.filter_multipleColumnSelector:'[data-column="'+c+'"]',a=f.filter(h),a.length&&(a=e.filter.getLatestSearch(a),k.isArray(b)?(d&&a.slice(1),c===m.columns&&(h=a.filter(n.filter_anyColumnSelector),a=h.length?h:a),a.val(b[c]).trigger("change.tsfilter")):(g[c]=a.val()||"",c===m.columns?a.slice(1).filter('[data-column*="'+a.attr("data-column")+ '"]').val(g[c]):a.slice(1).val(g[c])),c===m.columns&&a.length&&(n.filter_$anyMatch=a));0===g.length&&(g=!1);return g}; e.setFilters=function(c,a,b,d){var f=c?k(c)[0].config:"";c=e.getFilters(c,!0,a,d);f&&b&&(f.lastCombinedFilter=null,f.lastSearch=[],e.filter.searching(f.$table[0],a,d),f.$table.trigger("filterFomatterUpdate"));return!!c}; e.addWidget({id:"stickyHeaders",priority:60,options:{stickyHeaders:"",stickyHeaders_attachTo:null,stickyHeaders_xScroll:null,stickyHeaders_yScroll:null,stickyHeaders_offset:0, stickyHeaders_filteredToTop:!0,stickyHeaders_cloneId:"-sticky",stickyHeaders_addResizeEvent:!0,stickyHeaders_includeCaption:!0,stickyHeaders_zIndex:2},format:function(c,a,b){if(!(a.$table.hasClass("hasStickyHeaders")||0<=k.inArray("filter",a.widgets)&&!a.$table.hasClass("hasFilters"))){var d=a.$table,f=k(b.stickyHeaders_attachTo),h=a.namespace+"stickyheaders ",g=k(b.stickyHeaders_yScroll||b.stickyHeaders_attachTo||A),m=k(b.stickyHeaders_xScroll||b.stickyHeaders_attachTo||A),n=d.children("thead:first").children("tr").not(".sticky-false").children(), p=d.children("tfoot"),r=isNaN(b.stickyHeaders_offset)?k(b.stickyHeaders_offset):"",w=f.length?0:r.length?r.height()||0:parseInt(b.stickyHeaders_offset,10)||0,x=d.parent().closest("."+e.css.table).hasClass("hasStickyHeaders")?d.parent().closest("table.tablesorter")[0].config.widgetOptions.$sticky.parent():[],t=x.length?x.height():0,u=b.$sticky=d.clone().addClass("containsStickyHeaders "+e.css.sticky+" "+b.stickyHeaders).wrap('<div class="'+e.css.stickyWrap+'">'),y=u.parent().css({position:f.length? "absolute":"fixed",padding:parseInt(u.parent().parent().css("padding-left"),10),top:w+t,left:0,visibility:"hidden",zIndex:b.stickyHeaders_zIndex||2}),E=u.children("thead:first"),z,B="",C=0,G=function(a,b){a.filter(":visible").each(function(a){var d;a=b.filter(":visible").eq(a);var c=k(this);"border-box"===c.css("box-sizing")?d=c.outerWidth():"collapse"===a.css("border-collapse")?A.getComputedStyle?d=parseFloat(A.getComputedStyle(this,null).width):(d=parseFloat(c.css("border-width")),d=c.outerWidth()- parseFloat(c.css("padding-left"))-parseFloat(c.css("padding-right"))-d):d=c.width();a.css({"min-width":d,"max-width":d})})},D=function(){w=r.length?r.height()||0:parseInt(b.stickyHeaders_offset,10)||0;C=0;y.css({left:f.length?parseInt(f.css("padding-left"),10)||0:d.offset().left-parseInt(d.css("margin-left"),10)-m.scrollLeft()-C,width:d.outerWidth()});G(d,u);G(n,z)};u.attr("id")&&(u[0].id+=b.stickyHeaders_cloneId);u.find("thead:gt(0), tr.sticky-false").hide();u.find("tbody, tfoot").remove();u.find("caption").toggle(b.stickyHeaders_includeCaption); z=E.children().children();u.css({height:0,width:0,margin:0});z.find("."+e.css.resizer).remove();d.addClass("hasStickyHeaders").bind("pagerComplete"+h,function(){D()});e.bindEvents(c,E.children().children(".tablesorter-header"));d.after(y);a.onRenderHeader&&E.children("tr").children().each(function(b){a.onRenderHeader.apply(k(this),[b,a,u])});m.add(g).unbind(["scroll","resize",""].join(h)).bind(["scroll","resize",""].join(h),function(a){if(d.is(":visible")){t=x.length?x.offset().top-g.scrollTop()+ x.height():0;var b=d.offset(),c=k.isWindow(g[0]),e=k.isWindow(m[0]),h=(f.length?c?g.scrollTop():g.offset().top:g.scrollTop())+w+t,l=d.height()-(y.height()+(p.height()||0)),b=h>b.top&&h<b.top+l?"visible":"hidden",l={visibility:b};f.length&&(l.top=c?h:f.scrollTop());e&&(l.left=d.offset().left-parseInt(d.css("margin-left"),10)-m.scrollLeft()-C);x.length&&(l.top=(l.top||0)+w+t);y.removeClass("tablesorter-sticky-visible tablesorter-sticky-hidden").addClass("tablesorter-sticky-"+b).css(l);if(b!==B||"resize"=== a.type)D(),B=b}});b.stickyHeaders_addResizeEvent&&e.addHeaderResizeEvent(c);d.hasClass("hasFilters")&&b.filter_columnFilters&&(d.bind("filterEnd"+h,function(){var c=k(document.activeElement).closest("td"),c=c.parent().children().index(c);y.hasClass(e.css.stickyVis)&&b.stickyHeaders_filteredToTop&&(A.scrollTo(0,d.position().top),0<=c&&a.$filters&&a.$filters.eq(c).find("a, select, input").filter(":visible").focus())}),e.filter.bindSearch(d,z.find("."+e.css.filter)),b.filter_hideFilters&&e.filter.hideFilters(u, a));d.trigger("stickyHeadersInit")}},remove:function(c,a,b){var d=a.namespace+"stickyheaders ";a.$table.removeClass("hasStickyHeaders").unbind(["pagerComplete","filterEnd",""].join(d)).next("."+e.css.stickyWrap).remove();b.$sticky&&b.$sticky.length&&b.$sticky.remove();k(".hasStickyHeaders").length||k(A).add(b.stickyHeaders_xScroll).add(b.stickyHeaders_yScroll).add(b.stickyHeaders_attachTo).unbind(["scroll","resize",""].join(d));e.addHeaderResizeEvent(c,!1)}}); 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+/* treegrid */ $(document).ready(function(){$('.tracks-tree').treegrid({'treeColumn':1});});
+
+/* redirectPost */
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diff --git a/library/cpp/lwtrace/mon/static/css/bootstrap.min.css b/library/cpp/lwtrace/mon/static/css/bootstrap.min.css
index 361830c990..f602cacbf8 100644
--- a/library/cpp/lwtrace/mon/static/css/bootstrap.min.css
+++ b/library/cpp/lwtrace/mon/static/css/bootstrap.min.css
@@ -1,9 +1,9 @@
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+ * Bootstrap v3.0.2 by @fat and @mdo
+ * Copyright 2013 Twitter, Inc.
+ * Licensed under http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Designed and built with all the love in the world by @mdo and @fat.
+ */
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diff --git a/library/cpp/lwtrace/mon/static/js/d3-gantt.js b/library/cpp/lwtrace/mon/static/js/d3-gantt.js
index 4e95ad347a..54ec38ae57 100644
--- a/library/cpp/lwtrace/mon/static/js/d3-gantt.js
+++ b/library/cpp/lwtrace/mon/static/js/d3-gantt.js
@@ -1,759 +1,759 @@
-d3.gantt = function() { 
-    function gantt(config, logs, autoscale) { 
-        parseLogs(config, logs); 
- 
-        if (autoscale) { 
-            gantt.timeDomain([minT, maxT]); 
-        } 
- 
-        initAxis(); 
- 
-        // create svg element 
-        svg = d3.select(selector) 
-          .append("svg") 
-            .attr("class", "chart") 
-            .attr("width", width + margin.left + margin.right) 
-            .attr("height", height + margin.top + margin.bottom) 
-        ; 
- 
-        // create arrowhead marker 
-        defs = svg.append("defs"); 
-        defs.append("marker") 
-            .attr("id", "arrow") 
-            .attr("viewBox", "0 -5 10 10") 
-            .attr("refX", 5) 
-            .attr("refY", 0) 
-            .attr("markerWidth", 4) 
-            .attr("markerHeight", 4) 
-            .attr("orient", "auto") 
-          .append("path") 
-            .attr("d", "M0,-5L10,0L0,5") 
-            .attr("class","arrowHead") 
-        ; 
- 
-        zoom = d3.zoom() 
-            .scaleExtent([0.1, 1000]) 
-            //.translateExtent([0, 0], [1000,0]) 
-            .on("zoom", function() { 
-                if (tipShown != null) { 
-                    tip.hide(tipShown); 
-                } 
-                var tr = d3.event.transform; 
-                xZoomed = tr.rescaleX(x); 
-                svg.select("g.x.axis").call(xAxis.scale(xZoomed)); 
- 
-                var dy = d3.event.sourceEvent.screenY - zoom.startScreenY; 
-                var newScrollTop = documentBodyScrollTop() - dy; 
-                window.scrollTo(documentBodyScrollLeft(), newScrollTop); 
-                documentBodyScrollTop(newScrollTop); 
-                zoom.startScreenY = d3.event.sourceEvent.screenY; 
- 
-                zoomContainer1.attr("transform", "translate(" + tr.x + ",0) scale(" + tr.k + ",1)"); 
-                zoomContainer2.attr("transform", "translate(" + tr.x + ",0) scale(" + tr.k + ",1)"); 
- 
-                render(); 
-            }) 
-            .on("start", function() { 
-                zoom.startScreenY = d3.event.sourceEvent.screenY; 
-            }) 
-            .on("end", function() { 
-            }) 
-        ; 
- 
-        svgChartContainer = svg.append('g') 
-            .attr("transform", "translate(" + margin.left + ", " + margin.top + ")") 
-        ; 
-        svgChart = svgChartContainer.append("svg") 
-            .attr("top", 0) 
-            .attr("left", 0) 
-            .attr("width", width) 
-            .attr("height", height) 
-            .attr("viewBox", "0 0 " + width + " " + height) 
-        ; 
- 
-        zoomContainer1 = svgChart.append("g"); 
- 
-        zoomPanel = svgChart.append("rect") 
-            .attr("class", "zoom-panel") 
-            .attr("width", width) 
-            .attr("height", height) 
-            .call(zoom) 
-        ; 
- 
-        zoomContainer2 = svgChart.append("g"); 
-        bandsSvg = zoomContainer2.append("g"); 
- 
-        // tooltips for bands 
-        var maxTipHeight = 130; 
-        const tipDirection = d => y(d.band) - maxTipHeight < documentBodyScrollTop()? 's': 'n'; 
-        tip = d3.tip() 
-            .attr("class", "d3-tip") 
-            .offset(function(d) { 
-                // compute x to return tip in chart region 
-                var t0 = (d.t1 + d.t2) / 2; 
-                var t1 = Math.min(Math.max(t0, xZoomed.invert(0)), xZoomed.invert(width)); 
-                var dir = tipDirection(d); 
-                return [dir === 'n'? -10 : 10, xZoomed(t1) - xZoomed(t0)]; 
-            }) 
-            .direction(tipDirection) 
-            .html(function(d) { 
-                let text = ''; 
-                for (let item of d.record) { 
-                    text += probes[item[PROBEID]].provider + "." + probes[item[PROBEID]].name + "("; 
-                    let first = true; 
-                    for (let [param, value] of Object.entries(item[PARAMS])) { 
-                        text += (first? "": ", ") + param + "='" + value + "'"; 
-                        first = false; 
-                    } 
-                    text += ")\n"; 
-                } 
-                return "<pre>" + text + "</pre>"; 
-            }) 
-        ; 
- 
-        bandsSvg.call(tip); 
- 
-        render(); 
- 
-        // container for non-zoomable elements 
-        fixedContainer = svg.append("g") 
-            .attr("transform", "translate(" + margin.left + ", " + margin.top + ")") 
-        ; 
- 
-        // create x axis 
-        fixedContainer.append("g") 
-            .attr("class", "x axis") 
-            .attr("transform", "translate(0, " + (height - margin.top - margin.bottom) + ")") 
-          .transition() 
-            .call(xAxis) 
-        ; 
- 
-        // create y axis 
-        fixedContainer.append("g") 
-            .attr("class", "y axis") 
-          .transition() 
-            .call(yAxis) 
-        ; 
- 
-        // make y axis ticks draggable 
-        var ytickdrag = d3.drag() 
-            .on("drag", function(d) { 
-                var ypos = d3.event.y - margin.top; 
-                var index = Math.floor((ypos / y.step())); 
-                index = Math.min(Math.max(index, 0), this.initDomain.length - 1); 
-                if (index != this.curIndex) { 
-                    var newDomain = []; 
-                    for (var i = 0; i < this.initDomain.length; ++i) { 
-                        newDomain.push(this.initDomain[i]); 
-                    } 
-                    newDomain.splice(this.initIndex, 1); 
-                    newDomain.splice(index, 0, this.initDomain[this.initIndex]); 
- 
-                    this.curIndex = index; 
-                    this.curDomain = newDomain; 
-                    y.domain(newDomain); 
- 
-                    // rearange y scale and axis 
-                    svg.select("g.y.axis").transition().call(yAxis); 
- 
-                    // rearange other stuff 
-                    render(-1, true); 
-                } 
-            }) 
-            .on("start", function(d) { 
-                var ypos = d3.event.y - margin.top; 
-                this.initIndex = Math.floor((ypos / y.step())); 
-                this.initDomain = y.domain(); 
-            }) 
-            .on("end", function(d) { 
-                svg.select("g.y.axis").call(yAxis); 
-            }) 
-        ; 
-        svg.selectAll("g.y.axis .tick") 
-            .call(ytickdrag) 
-        ; 
- 
-        // right margin 
-        var rmargin = fixedContainer.append("g") 
-            .attr("id", "right-margin") 
-            .attr("transform", "translate(" + width + ", 0)") 
-        ; 
-        rmargin.append("rect") 
-            .attr("x", 0) 
-            .attr("y", 0) 
-            .attr("width", 1) 
-            .attr("height", height - margin.top - margin.bottom) 
-        ; 
- 
-        // top margin 
-        var tmargin = fixedContainer.append("g") 
-            .attr("id", "top-margin") 
-            .attr("transform", "translate(0, 0)") 
-        ; 
-        tmargin.append("rect") 
-            .attr("x", 0) 
-            .attr("y", 0) 
-            .attr("width", width) 
-            .attr("height", 1) 
-        ; 
- 
-        // ruler 
-        ruler = fixedContainer.append("g") 
-            .attr("id", "ruler") 
-            .attr("transform", "translate(0, 0)") 
-        ; 
-        ruler.append("rect") 
-            .attr("id", "ruler-line") 
-            .attr("x", 0) 
-            .attr("y", 0) 
-            .attr("width", "1") 
-            .attr("height", height - margin.top - margin.bottom + 8) 
-        ; 
-        ruler.append("rect") 
-            .attr("id", "bgrect") 
-            .attr("x", 0) 
-            .attr("y", 0) 
-            .attr("width", 0) 
-            .attr("height", 0) 
-            .style("fill", "white") 
-        ; 
-        ruler.append("text") 
-            .attr("x", 0) 
-            .attr("y", height - margin.top - margin.bottom + 16) 
-            .attr("dy", "0.71em") 
-            .text("0") 
-        ; 
- 
-        svg.on('mousemove', function() { 
-            positionRuler(d3.event.pageX); 
-        }); 
- 
-        // scroll handling 
-        window.onscroll = function myFunction() { 
-            documentBodyScrollLeft(document.body.scrollLeft); 
-            documentBodyScrollTop(document.body.scrollTop); 
-            var scroll = scrollParams(); 
- 
-            svgChartContainer 
-                .attr("transform", "translate(" + margin.left 
-                                         + ", " + (margin.top + scroll.y1) + ")"); 
-            svgChart 
-                .attr("viewBox", "0 " + scroll.y1 + " " + width + " " + scroll.h) 
-                .attr("height", scroll.h); 
-            tmargin 
-                .attr("transform", "translate(0," + scroll.y1 + ")"); 
-            fixedContainer.select(".x.axis") 
-                .attr("transform", "translate(0," + scroll.y2 + ")"); 
-            rmargin.select("rect") 
-                .attr("y", scroll.y1) 
-                .attr("height", scroll.h); 
-            ruler.select("#ruler-line") 
-                .attr("y", scroll.y1) 
-                .attr("height", scroll.h); 
- 
-            positionRuler(); 
-        } 
- 
-        // render axis 
-        svg.select("g.x.axis").call(xAxis); 
-        svg.select("g.y.axis").call(yAxis); 
- 
-        // update to initiale state 
-        window.onscroll(0); 
- 
-        return gantt; 
-    } 
- 
-// private: 
- 
-    var keyFunction = function(d) { 
-        return d.t1.toString() + d.t2.toString() + d.band.toString(); 
-    } 
- 
-    var bandTransform = function(d) { 
-        return "translate(" + x(d.t1) + "," + y(d.band) + ")"; 
-    } 
- 
-    var xPixel = function(d) { 
-        return xZoomed.invert(1) - xZoomed.invert(0); 
-    } 
- 
-    var render = function(t0, smooth) { 
-        // Save/restore last t0 value 
-        if (!arguments.length || t0 == -1) { 
-            t0 = render.t0; 
-        } 
-        render.t0 = t0; 
-        smooth = smooth || false; 
- 
-        // Create rectangles for bands 
-        bands = bandsSvg.selectAll("rect.bar") 
-          .data(data, keyFunction); 
-        bands.exit().remove(); 
-        bands.enter().append("rect") 
-            .attr("class", "bar") 
-            .attr("vector-effect", "non-scaling-stroke") 
-            .style("fill", d => d.color) 
-            .on('click', function(d) { 
-                if (tipShown != d) { 
-                    tipShown = d; 
-                    tip.show(d); 
-                } else { 
-                    tipShown = null; 
-                    tip.hide(d); 
-                } 
-            }) 
-          .merge(bands) 
-          .transition().duration(smooth? 250: 0) 
-            .attr("y", 0) 
-            .attr("transform", bandTransform) 
-            .attr("height", y.bandwidth()) 
-            .attr("width", d => Math.max(1*xPixel(), x(d.t2) - x(d.t1))) 
-        ; 
- 
-        var emptyMarker = bandsSvg.selectAll("text") 
-          .data(data.length == 0? ["no data to show"]: []); 
-        emptyMarker.exit().remove(); 
-        emptyMarker.enter().append("text") 
-            .text(d => d) 
-        ; 
-    } 
- 
-    function initAxis() { 
-        x = d3.scaleLinear() 
-            .domain([timeDomainStart, timeDomainEnd]) 
-            .range([0, width]) 
-            //.clamp(true); // dosn't work with zoom/pan 
-        xZoomed = x; 
-        y = d3.scaleBand() 
-            .domain(Object.values(data).map(d => d.band).sort()) 
-            .rangeRound([0, height - margin.top - margin.bottom]) 
-            .padding(0.5); 
-        xAxis = d3.axisBottom() 
-            .scale(x) 
-            //.tickSubdivide(true) 
-            .tickSize(8) 
-            .tickPadding(8); 
-        yAxis = d3.axisLeft() 
-            .scale(y) 
-            .tickSize(0); 
-    } 
- 
-    // slow function wrapper 
-    var documentBodyScrollLeft = function(value) { 
-        if (!arguments.length) { 
-            if (documentBodyScrollLeft.value === undefined) { 
-                documentBodyScrollLeft.value = document.body.scrollLeft; 
-            } 
-            return documentBodyScrollLeft.value; 
-        } else { 
-            documentBodyScrollLeft.value = value; 
-        } 
-    } 
- 
-    // slow function wrapper 
-    var documentBodyScrollTop = function(value) { 
-        if (!arguments.length) { 
-            if (!documentBodyScrollTop.value === undefined) { 
-                documentBodyScrollTop.value = document.body.scrollTop; 
-            } 
-            return documentBodyScrollTop.value; 
-        } else { 
-            documentBodyScrollTop.value = value; 
-        } 
-    } 
- 
-    var scrollParams = function() { 
-        var y1 = documentBodyScrollTop(); 
-        var y2 = y1 + window.innerHeight - margin.footer; 
-        y2 = Math.min(y2, height - margin.top - margin.bottom); 
-        var h = y2 - y1; 
-        return { 
-            y1: y1, 
-            y2: y2, 
-            h: h 
-        }; 
-    } 
- 
-    var posTextFormat = d3.format(".1f"); 
- 
-    var positionRuler = function(pageX) { 
-        if (!arguments.length) { 
-            pageX = positionRuler.pageX || 0; 
-        } else { 
-            positionRuler.pageX = pageX; 
-        } 
- 
-        // x-coordinate 
-        if (!positionRuler.svgLeft) { 
-            positionRuler.svgLeft = svg.node().getBoundingClientRect().x; 
-        } 
- 
-        var xpos = pageX - margin.left + 1 - positionRuler.svgLeft; 
-        var tpos = xZoomed.invert(xpos); 
-        tpos = Math.min(Math.max(tpos, xZoomed.invert(0)), xZoomed.invert(width)); 
-        ruler.attr("transform", "translate(" + xZoomed(tpos) + ", 0)"); 
-        var posText = posTextFormat(tpos); 
- 
-        // scroll-related 
-        var scroll = scrollParams(); 
- 
-        var text = ruler.select("text") 
-            .attr("y", scroll.y2 + 16) 
-        ; 
- 
-        // getBBox() is very slow, so compute symbol width once 
-        var xpadding = 5; 
-        var ypadding = 5; 
-        if (!positionRuler.bbox) { 
-            positionRuler.bbox = text.node().getBBox(); 
-        } 
- 
-        text.text(posText); 
-        var textWidth = 10 * posText.length; 
-        ruler.select("#bgrect") 
-            .attr("x", -textWidth/2 - xpadding) 
-            .attr("y", positionRuler.bbox.y - ypadding) 
-            .attr("width", textWidth + (xpadding*2)) 
-            .attr("height", positionRuler.bbox.height + (ypadding*2)) 
-        ; 
- 
-        render(tpos); 
-    } 
- 
-    /* 
-     * Log Query Language: 
-     * Data expressions: 
-     *  1) myparam[0], myparam[-1] // the first and the last myparam in any probe/provider 
-     *  2) myparam // the first (the same as [0]) 
-     *  3) PROVIDER..myparam // any probe with myparam in PROVIDER 
-     *  4) MyProbe._elapsedMs // Ms since track begin for the first MyProbe event 
-     *  5) PROVIDER.MyProbe._sliceUs // Us since previous event in track for the first PROVIDER.MyProbe event 
-     */ 
-    function compile(query) { 
-        query = query.replace(/\s/g, ""); 
-        let [compiled, rest] = sum(query); 
-        if (rest.length != 0) { 
-            throw "parse error: unexpected expression starting at: '" + query + "'"; 
-        } 
-        return record => { 
-            try { 
-                return compiled(record); 
-            } catch (e) { 
-                return null; 
-            } 
-        }; 
- 
-        function sum(query) { 
-            let term0; 
-            if (query[0] == '-') { 
-                let [term, rest] = product(query.substr(1)); 
-                query = rest; 
-                term0 = x => -term(x); 
-            } else { 
-                let [term, rest] = product(query); 
-                query = rest; 
-                term0 = term; 
-            } 
-            let terms = []; 
-            while (query.length > 0) { 
-                let negate; 
-                if (query[0] == '+') { 
-                    negate = false; 
-                } else if (query[0] == '-') { 
-                    negate = true; 
-                } else { 
-                    break; 
-                } 
-                let [term, rest] = product(query.substr(1)); 
-                query = rest; 
-                terms.push(negate? x => -term(x): term); 
-            } 
-            const cast = x => (isNaN(+x)? x: +x); 
-            return [terms.reduce((a, f) => x => cast(a(x)) + cast(f(x)), term0), query]; 
-        } 
- 
-        function product(query) { 
-            let [factor0, rest] = parentheses(query); 
-            query = rest; 
-            let factors = []; 
-            while (query.length > 0) { 
-                let invert; 
-                if (query[0] == '*') { 
-                    invert = false; 
-                } else if (query[0] == '/') { 
-                    invert = true; 
-                } else { 
-                    break; 
-                } 
-                let [factor, rest] = parentheses(query.substr(1)); 
-                query = rest; 
-                factors.push(invert? x => 1 / factor(x): factor); 
-            } 
-            return [factors.reduce((a, f) => x => a(x) * f(x), factor0), query]; 
-        } 
- 
-        function parentheses(query) { 
-            if (query[0] == "(") { 
-                let [expr, rest] = sum(query.substr(1)); 
-                if (rest[0] != ")") { 
-                    throw "parse error: missing ')' before '" + rest + "'"; 
-                } 
-                return [expr, rest.substr(1)]; 
-            } else { 
-                return atom(query); 
-            } 
-        } 
- 
-        function atom(query) { 
-            specialParam = { 
-                _thrNTime: item => (item[US] - thrNTimeZero) * 1e-6, 
-                _thrRTime: item => (item[US] - thrRTimeZero) * 1e-6, 
-                _thrTime: item => item[US] * 1e-6, 
-                _thrNTimeMs: item => (item[US] - thrNTimeZero) * 1e-3, 
-                _thrRTimeMs: item => (item[US] - thrRTimeZero) * 1e-3, 
-                _thrTimeMs: item => item[US] * 1e-3, 
-                _thrNTimeUs: item => item[US] - thrNTimeZero, 
-                _thrRTimeUs: item => item[US] - thrRTimeZero, 
-                _thrTimeUs: item => item[US], 
-                _thrNTimeNs: item => (item[US] - thrNTimeZero) * 1e+3, 
-                _thrRTimeNs: item => (item[US] - thrRTimeZero) * 1e+3, 
-                _thrTimeNs: item => item[US] * 1e+3, 
-                _thread: item => item[THREAD], 
-            }; 
-            var match; 
-            if (match = query.match(/^\d+(\.\d+)?/)) { // number literals 
-                let literal = match[0]; 
-                return [record => literal, query.substr(match[0].length)]; 
-            } else if (match = query.match(/^#[0-9a-fA-F]+/)) { // color literals 
-                let literal = match[0]; 
-                return [record => literal, query.substr(match[0].length)]; 
-            } else if (match = query.match(/^'(.*)'/)) { // string literal 
-                let literal = match[1].replace(/\\'/, "'").replace(/\\\\/, "\\"); 
-                return [record => literal, query.substr(match[0].length)]; 
-            } else if (match = query.match(/^(?:(?:(\w+)\.)?(\w*)\.)?(\w+)(?:\[(-?\d+)\])?/)) { 
-                let provider = match[1] || ""; 
-                let probe = match[2] || ""; 
-                let param = match[3]; 
-                let index = +(match[4] || 0); 
-                let probeId = new Set(); 
-                for (let id = 0; id < probes.length; id++) { 
-                    if ((!probe || probes[id].name == probe) && 
-                        (!provider || probes[id].provider == provider)) 
-                    { 
-                        probeId.add(id); 
-                    } 
-                } 
-                let isSpecial = specialParam.hasOwnProperty(param); 
-                return [record => { 
-                    let end = index >= 0? record.length: -1; 
-                    let step = index >= 0? 1: -1; 
-                    let skip = index >= 0? index: -index - 1; 
-                    for (let i = index >= 0? 0: record.length - 1; i != end; i += step) { 
-                        let item = record[i]; 
-                        if (probeId.has(item[PROBEID]) && (isSpecial || item[PARAMS].hasOwnProperty(param))) { 
-                            if (skip == 0) { 
-                                return isSpecial? specialParam[param](item): item[PARAMS][param]; 
-                            } else { 
-                                skip--; 
-                            } 
-                        } 
-                    } 
-                    throw "no data"; 
-                }, query.substr(match[0].length)]; 
-            } else { 
-                throw "parse error: invalid expression starting at '" + query + "'"; 
-            } 
-        } 
-    } 
- 
-    // ex1: "linear().domain([-1, 0, 1]).range(['red', 'white', 'green'])", 
-    // ex2: "ordinal().domain(['a1', 'a2']).range(['blue', 'yellow'])" 
-    function parseScale(query) { 
-        query = query.replaceAll("'","\""); 
-        var match, scale; 
-        if (match = query.match(/^linear\(\)/)) { 
-            scale = d3.scaleLinear(); 
-        } else if (match = query.match(/^pow\(\)/)) { 
-            scale = d3.scalePow(); 
-        } else if (match = query.match(/^log\(\)/)) { 
-            scale = d3.scaleLog(); 
-        } else if (match = query.match(/^identity\(\)/)) { 
-            scale = d3.scaleIdentity(); 
-        } else if (match = query.match(/^time\(\)/)) { 
-            scale = d3.scaleTime(); 
-        } else if (match = query.match(/^threshold\(\)/)) { 
-            scale = d3.scaleThreshold(); 
-        } else if (match = query.match(/^ordinal\(\)/)) { 
-            scale = d3.scaleOrdinal(); 
-        } else { 
-            throw "Unable to parse scale: " + query; 
-        } 
-        if (match = query.match(/\.domain\(([^\)]+)\)/)) { 
-            scale.domain(JSON.parse(match[1])); 
-        } 
-        if (match = query.match(/\.range\(([^\)]+)\)/)) { 
-            scale.range(JSON.parse(match[1])); 
-        } 
-        if (match = query.match(/\.unknown\(([^\)]+)\)/)) { 
-            scale.unknown(JSON.parse(match[1])); 
-        } 
-        return scale; 
-    } 
- 
-    function parseLogs(config, logs) { 
-        data = []; 
-        probes = logs.probes; 
-        if (config.hasOwnProperty('scales')) 
-        for (let [name, text] of Object.entries(config.scales)) { 
-            scales[name] = parseScale(text); 
-        } 
-        // Compute aggregates 
-        let minUs = new Map(); 
-        for (record of logs.depot) { 
-            if (record.length > 0) { 
-                let item = record[0]; 
-                let us = item[US]; 
-                let thread = item[US]; 
-                if (!minUs.has(thread)) { 
-                    minUs.set(thread, us); 
-                } else { 
-                    minUs.set(thread, Math.min(us, minUs.get(thread))); 
-                } 
-            } 
-        } 
-        thrNTimeZero = Number.MAX_VALUE; 
-        thrRTimeZero = 0; 
-        for (let [thread, us] of minUs) { 
-            thrNTimeZero = Math.min(thrNTimeZero, us); 
-            thrRTimeZero = Math.max(thrRTimeZero, us); 
-        } 
-        // Comple data for bands 
-        for (let bandCfg of config.bands) { 
-            function applyScale(func, scaleName) { 
-                if (scaleName) { 
-                    let scale = scales[scaleName]; 
-                    return (record) => { 
-                        let value = func(record); 
-                        if (value != null) { 
-                            value = scale(value); 
-                        } 
-                        return value; 
-                    }; 
-                } else { 
-                    return func; 
-                } 
-            } 
-            let t1f = applyScale(compile(bandCfg.t1), bandCfg.t1Scale); 
-            let t2f = applyScale(compile(bandCfg.t2), bandCfg.t2Scale); 
-            let bandf = applyScale(compile(bandCfg.band), bandCfg.bandScale); 
-            let colorf = applyScale(compile(bandCfg.color), bandCfg.colorScale); 
-            let minTime = Number.MAX_VALUE; 
-            let maxTime = -Number.MAX_VALUE; 
-            for (record of logs.depot) { 
-                let t1 = t1f(record), 
-                    t2 = t2f(record), 
-                    band = bandf(record), 
-                    color = colorf(record) 
-                ; 
-                if (t1 != null && t2 != null && band != null && color != null) { 
-                    data.push({t1, t2, band, color, record}); 
-                    minTime = Math.min(minTime, t1); 
-                    maxTime = Math.max(maxTime, t2); 
-                } 
-            } 
-            if (minTime != Number.MAX_VALUE) { 
-                minT = minTime; 
-                maxT = maxTime; 
-            } 
-        } 
-    } 
- 
-// public: 
- 
-    gantt.width = function(value) { 
-        if (!arguments.length) 
-            return width; 
-        width = +value; 
-        return gantt; 
-    } 
- 
-    gantt.height = function(value) { 
-        if (!arguments.length) 
-            return height; 
-        height = +value; 
-        return gantt; 
-    } 
- 
-    gantt.selector = function(value) { 
-        if (!arguments.length) 
-            return selector; 
-        selector = value; 
-        return gantt; 
-    } 
- 
-    gantt.timeDomain = function(value) { 
-        if (!arguments.length) 
-            return [timeDomainStart, timeDomainEnd]; 
-        timeDomainStart = value[0]; 
-        timeDomainEnd = value[1]; 
-        return gantt; 
-    } 
- 
-    gantt.data = function() { 
-        return data; 
-    } 
- 
-    // constructor 
- 
-    // Log Format 
-    const 
-        THREAD = 0, 
-        US = 1, 
-        PROBEID = 2, 
-        PARAMS = 3 
-    ; 
- 
-    // Config 
-    var margin = { top: 20, right: 40, bottom: 20, left: 100, footer: 100 }, 
-        height = document.body.clientHeight - margin.top - margin.bottom - 5, 
-        width = document.body.clientWidth - margin.right - margin.left - 5, 
-        selector = 'body', 
-        timeDomainStart = 0, 
-        timeDomainEnd = 1000, 
-        scales = {}; 
-    ; 
- 
-    // View 
-    var x = null, 
-        xZoomed = null, 
-        y = null, 
-        xAxis = null, 
-        yAxis = null, 
-        svg = null, 
-        defs = null, 
-        svgChartContainer = null, 
-        svgChart = null, 
-        zoomPanel = null, 
-        zoomContainer1 = null, 
-        zoomContainer2 = null, 
-        fixedContainer = null, 
-        zoom = null, 
-        bandsSvg = null, 
-        bands = null, 
-        tip = null, 
-        tipShown = null, 
-        ruler = null 
-    ; 
- 
-    // Model 
-    var data = null, 
-        probes = null, 
-        thrRTimeZero = 0, 
-        thrNTimeZero = 0, 
-        minT, 
-        maxT 
-    ; 
- 
-    return gantt; 
-} 
\ No newline at end of file
+d3.gantt = function() {
+    function gantt(config, logs, autoscale) {
+        parseLogs(config, logs);
+
+        if (autoscale) {
+            gantt.timeDomain([minT, maxT]);
+        }
+
+        initAxis();
+
+        // create svg element
+        svg = d3.select(selector)
+          .append("svg")
+            .attr("class", "chart")
+            .attr("width", width + margin.left + margin.right)
+            .attr("height", height + margin.top + margin.bottom)
+        ;
+
+        // create arrowhead marker
+        defs = svg.append("defs");
+        defs.append("marker")
+            .attr("id", "arrow")
+            .attr("viewBox", "0 -5 10 10")
+            .attr("refX", 5)
+            .attr("refY", 0)
+            .attr("markerWidth", 4)
+            .attr("markerHeight", 4)
+            .attr("orient", "auto")
+          .append("path")
+            .attr("d", "M0,-5L10,0L0,5")
+            .attr("class","arrowHead")
+        ;
+
+        zoom = d3.zoom()
+            .scaleExtent([0.1, 1000])
+            //.translateExtent([0, 0], [1000,0])
+            .on("zoom", function() {
+                if (tipShown != null) {
+                    tip.hide(tipShown);
+                }
+                var tr = d3.event.transform;
+                xZoomed = tr.rescaleX(x);
+                svg.select("g.x.axis").call(xAxis.scale(xZoomed));
+
+                var dy = d3.event.sourceEvent.screenY - zoom.startScreenY;
+                var newScrollTop = documentBodyScrollTop() - dy;
+                window.scrollTo(documentBodyScrollLeft(), newScrollTop);
+                documentBodyScrollTop(newScrollTop);
+                zoom.startScreenY = d3.event.sourceEvent.screenY;
+
+                zoomContainer1.attr("transform", "translate(" + tr.x + ",0) scale(" + tr.k + ",1)");
+                zoomContainer2.attr("transform", "translate(" + tr.x + ",0) scale(" + tr.k + ",1)");
+
+                render();
+            })
+            .on("start", function() {
+                zoom.startScreenY = d3.event.sourceEvent.screenY;
+            })
+            .on("end", function() {
+            })
+        ;
+
+        svgChartContainer = svg.append('g')
+            .attr("transform", "translate(" + margin.left + ", " + margin.top + ")")
+        ;
+        svgChart = svgChartContainer.append("svg")
+            .attr("top", 0)
+            .attr("left", 0)
+            .attr("width", width)
+            .attr("height", height)
+            .attr("viewBox", "0 0 " + width + " " + height)
+        ;
+
+        zoomContainer1 = svgChart.append("g");
+
+        zoomPanel = svgChart.append("rect")
+            .attr("class", "zoom-panel")
+            .attr("width", width)
+            .attr("height", height)
+            .call(zoom)
+        ;
+
+        zoomContainer2 = svgChart.append("g");
+        bandsSvg = zoomContainer2.append("g");
+
+        // tooltips for bands
+        var maxTipHeight = 130;
+        const tipDirection = d => y(d.band) - maxTipHeight < documentBodyScrollTop()? 's': 'n';
+        tip = d3.tip()
+            .attr("class", "d3-tip")
+            .offset(function(d) {
+                // compute x to return tip in chart region
+                var t0 = (d.t1 + d.t2) / 2;
+                var t1 = Math.min(Math.max(t0, xZoomed.invert(0)), xZoomed.invert(width));
+                var dir = tipDirection(d);
+                return [dir === 'n'? -10 : 10, xZoomed(t1) - xZoomed(t0)];
+            })
+            .direction(tipDirection)
+            .html(function(d) {
+                let text = '';
+                for (let item of d.record) {
+                    text += probes[item[PROBEID]].provider + "." + probes[item[PROBEID]].name + "(";
+                    let first = true;
+                    for (let [param, value] of Object.entries(item[PARAMS])) {
+                        text += (first? "": ", ") + param + "='" + value + "'";
+                        first = false;
+                    }
+                    text += ")\n";
+                }
+                return "<pre>" + text + "</pre>";
+            })
+        ;
+
+        bandsSvg.call(tip);
+
+        render();
+
+        // container for non-zoomable elements
+        fixedContainer = svg.append("g")
+            .attr("transform", "translate(" + margin.left + ", " + margin.top + ")")
+        ;
+
+        // create x axis
+        fixedContainer.append("g")
+            .attr("class", "x axis")
+            .attr("transform", "translate(0, " + (height - margin.top - margin.bottom) + ")")
+          .transition()
+            .call(xAxis)
+        ;
+
+        // create y axis
+        fixedContainer.append("g")
+            .attr("class", "y axis")
+          .transition()
+            .call(yAxis)
+        ;
+
+        // make y axis ticks draggable
+        var ytickdrag = d3.drag()
+            .on("drag", function(d) {
+                var ypos = d3.event.y - margin.top;
+                var index = Math.floor((ypos / y.step()));
+                index = Math.min(Math.max(index, 0), this.initDomain.length - 1);
+                if (index != this.curIndex) {
+                    var newDomain = [];
+                    for (var i = 0; i < this.initDomain.length; ++i) {
+                        newDomain.push(this.initDomain[i]);
+                    }
+                    newDomain.splice(this.initIndex, 1);
+                    newDomain.splice(index, 0, this.initDomain[this.initIndex]);
+
+                    this.curIndex = index;
+                    this.curDomain = newDomain;
+                    y.domain(newDomain);
+
+                    // rearange y scale and axis
+                    svg.select("g.y.axis").transition().call(yAxis);
+
+                    // rearange other stuff
+                    render(-1, true);
+                }
+            })
+            .on("start", function(d) {
+                var ypos = d3.event.y - margin.top;
+                this.initIndex = Math.floor((ypos / y.step()));
+                this.initDomain = y.domain();
+            })
+            .on("end", function(d) {
+                svg.select("g.y.axis").call(yAxis);
+            })
+        ;
+        svg.selectAll("g.y.axis .tick")
+            .call(ytickdrag)
+        ;
+
+        // right margin
+        var rmargin = fixedContainer.append("g")
+            .attr("id", "right-margin")
+            .attr("transform", "translate(" + width + ", 0)")
+        ;
+        rmargin.append("rect")
+            .attr("x", 0)
+            .attr("y", 0)
+            .attr("width", 1)
+            .attr("height", height - margin.top - margin.bottom)
+        ;
+
+        // top margin
+        var tmargin = fixedContainer.append("g")
+            .attr("id", "top-margin")
+            .attr("transform", "translate(0, 0)")
+        ;
+        tmargin.append("rect")
+            .attr("x", 0)
+            .attr("y", 0)
+            .attr("width", width)
+            .attr("height", 1)
+        ;
+
+        // ruler
+        ruler = fixedContainer.append("g")
+            .attr("id", "ruler")
+            .attr("transform", "translate(0, 0)")
+        ;
+        ruler.append("rect")
+            .attr("id", "ruler-line")
+            .attr("x", 0)
+            .attr("y", 0)
+            .attr("width", "1")
+            .attr("height", height - margin.top - margin.bottom + 8)
+        ;
+        ruler.append("rect")
+            .attr("id", "bgrect")
+            .attr("x", 0)
+            .attr("y", 0)
+            .attr("width", 0)
+            .attr("height", 0)
+            .style("fill", "white")
+        ;
+        ruler.append("text")
+            .attr("x", 0)
+            .attr("y", height - margin.top - margin.bottom + 16)
+            .attr("dy", "0.71em")
+            .text("0")
+        ;
+
+        svg.on('mousemove', function() {
+            positionRuler(d3.event.pageX);
+        });
+
+        // scroll handling
+        window.onscroll = function myFunction() {
+            documentBodyScrollLeft(document.body.scrollLeft);
+            documentBodyScrollTop(document.body.scrollTop);
+            var scroll = scrollParams();
+
+            svgChartContainer
+                .attr("transform", "translate(" + margin.left
+                                         + ", " + (margin.top + scroll.y1) + ")");
+            svgChart
+                .attr("viewBox", "0 " + scroll.y1 + " " + width + " " + scroll.h)
+                .attr("height", scroll.h);
+            tmargin
+                .attr("transform", "translate(0," + scroll.y1 + ")");
+            fixedContainer.select(".x.axis")
+                .attr("transform", "translate(0," + scroll.y2 + ")");
+            rmargin.select("rect")
+                .attr("y", scroll.y1)
+                .attr("height", scroll.h);
+            ruler.select("#ruler-line")
+                .attr("y", scroll.y1)
+                .attr("height", scroll.h);
+
+            positionRuler();
+        }
+
+        // render axis
+        svg.select("g.x.axis").call(xAxis);
+        svg.select("g.y.axis").call(yAxis);
+
+        // update to initiale state
+        window.onscroll(0);
+
+        return gantt;
+    }
+
+// private:
+
+    var keyFunction = function(d) {
+        return d.t1.toString() + d.t2.toString() + d.band.toString();
+    }
+
+    var bandTransform = function(d) {
+        return "translate(" + x(d.t1) + "," + y(d.band) + ")";
+    }
+
+    var xPixel = function(d) {
+        return xZoomed.invert(1) - xZoomed.invert(0);
+    }
+
+    var render = function(t0, smooth) {
+        // Save/restore last t0 value
+        if (!arguments.length || t0 == -1) {
+            t0 = render.t0;
+        }
+        render.t0 = t0;
+        smooth = smooth || false;
+
+        // Create rectangles for bands
+        bands = bandsSvg.selectAll("rect.bar")
+          .data(data, keyFunction);
+        bands.exit().remove();
+        bands.enter().append("rect")
+            .attr("class", "bar")
+            .attr("vector-effect", "non-scaling-stroke")
+            .style("fill", d => d.color)
+            .on('click', function(d) {
+                if (tipShown != d) {
+                    tipShown = d;
+                    tip.show(d);
+                } else {
+                    tipShown = null;
+                    tip.hide(d);
+                }
+            })
+          .merge(bands)
+          .transition().duration(smooth? 250: 0)
+            .attr("y", 0)
+            .attr("transform", bandTransform)
+            .attr("height", y.bandwidth())
+            .attr("width", d => Math.max(1*xPixel(), x(d.t2) - x(d.t1)))
+        ;
+
+        var emptyMarker = bandsSvg.selectAll("text")
+          .data(data.length == 0? ["no data to show"]: []);
+        emptyMarker.exit().remove();
+        emptyMarker.enter().append("text")
+            .text(d => d)
+        ;
+    }
+
+    function initAxis() {
+        x = d3.scaleLinear()
+            .domain([timeDomainStart, timeDomainEnd])
+            .range([0, width])
+            //.clamp(true); // dosn't work with zoom/pan
+        xZoomed = x;
+        y = d3.scaleBand()
+            .domain(Object.values(data).map(d => d.band).sort())
+            .rangeRound([0, height - margin.top - margin.bottom])
+            .padding(0.5);
+        xAxis = d3.axisBottom()
+            .scale(x)
+            //.tickSubdivide(true)
+            .tickSize(8)
+            .tickPadding(8);
+        yAxis = d3.axisLeft()
+            .scale(y)
+            .tickSize(0);
+    }
+
+    // slow function wrapper
+    var documentBodyScrollLeft = function(value) {
+        if (!arguments.length) {
+            if (documentBodyScrollLeft.value === undefined) {
+                documentBodyScrollLeft.value = document.body.scrollLeft;
+            }
+            return documentBodyScrollLeft.value;
+        } else {
+            documentBodyScrollLeft.value = value;
+        }
+    }
+
+    // slow function wrapper
+    var documentBodyScrollTop = function(value) {
+        if (!arguments.length) {
+            if (!documentBodyScrollTop.value === undefined) {
+                documentBodyScrollTop.value = document.body.scrollTop;
+            }
+            return documentBodyScrollTop.value;
+        } else {
+            documentBodyScrollTop.value = value;
+        }
+    }
+
+    var scrollParams = function() {
+        var y1 = documentBodyScrollTop();
+        var y2 = y1 + window.innerHeight - margin.footer;
+        y2 = Math.min(y2, height - margin.top - margin.bottom);
+        var h = y2 - y1;
+        return {
+            y1: y1,
+            y2: y2,
+            h: h
+        };
+    }
+
+    var posTextFormat = d3.format(".1f");
+
+    var positionRuler = function(pageX) {
+        if (!arguments.length) {
+            pageX = positionRuler.pageX || 0;
+        } else {
+            positionRuler.pageX = pageX;
+        }
+
+        // x-coordinate
+        if (!positionRuler.svgLeft) {
+            positionRuler.svgLeft = svg.node().getBoundingClientRect().x;
+        }
+
+        var xpos = pageX - margin.left + 1 - positionRuler.svgLeft;
+        var tpos = xZoomed.invert(xpos);
+        tpos = Math.min(Math.max(tpos, xZoomed.invert(0)), xZoomed.invert(width));
+        ruler.attr("transform", "translate(" + xZoomed(tpos) + ", 0)");
+        var posText = posTextFormat(tpos);
+
+        // scroll-related
+        var scroll = scrollParams();
+
+        var text = ruler.select("text")
+            .attr("y", scroll.y2 + 16)
+        ;
+
+        // getBBox() is very slow, so compute symbol width once
+        var xpadding = 5;
+        var ypadding = 5;
+        if (!positionRuler.bbox) {
+            positionRuler.bbox = text.node().getBBox();
+        }
+
+        text.text(posText);
+        var textWidth = 10 * posText.length;
+        ruler.select("#bgrect")
+            .attr("x", -textWidth/2 - xpadding)
+            .attr("y", positionRuler.bbox.y - ypadding)
+            .attr("width", textWidth + (xpadding*2))
+            .attr("height", positionRuler.bbox.height + (ypadding*2))
+        ;
+
+        render(tpos);
+    }
+
+    /*
+     * Log Query Language:
+     * Data expressions:
+     *  1) myparam[0], myparam[-1] // the first and the last myparam in any probe/provider
+     *  2) myparam // the first (the same as [0])
+     *  3) PROVIDER..myparam // any probe with myparam in PROVIDER
+     *  4) MyProbe._elapsedMs // Ms since track begin for the first MyProbe event
+     *  5) PROVIDER.MyProbe._sliceUs // Us since previous event in track for the first PROVIDER.MyProbe event
+     */
+    function compile(query) {
+        query = query.replace(/\s/g, "");
+        let [compiled, rest] = sum(query);
+        if (rest.length != 0) {
+            throw "parse error: unexpected expression starting at: '" + query + "'";
+        }
+        return record => {
+            try {
+                return compiled(record);
+            } catch (e) {
+                return null;
+            }
+        };
+
+        function sum(query) {
+            let term0;
+            if (query[0] == '-') {
+                let [term, rest] = product(query.substr(1));
+                query = rest;
+                term0 = x => -term(x);
+            } else {
+                let [term, rest] = product(query);
+                query = rest;
+                term0 = term;
+            }
+            let terms = [];
+            while (query.length > 0) {
+                let negate;
+                if (query[0] == '+') {
+                    negate = false;
+                } else if (query[0] == '-') {
+                    negate = true;
+                } else {
+                    break;
+                }
+                let [term, rest] = product(query.substr(1));
+                query = rest;
+                terms.push(negate? x => -term(x): term);
+            }
+            const cast = x => (isNaN(+x)? x: +x);
+            return [terms.reduce((a, f) => x => cast(a(x)) + cast(f(x)), term0), query];
+        }
+
+        function product(query) {
+            let [factor0, rest] = parentheses(query);
+            query = rest;
+            let factors = [];
+            while (query.length > 0) {
+                let invert;
+                if (query[0] == '*') {
+                    invert = false;
+                } else if (query[0] == '/') {
+                    invert = true;
+                } else {
+                    break;
+                }
+                let [factor, rest] = parentheses(query.substr(1));
+                query = rest;
+                factors.push(invert? x => 1 / factor(x): factor);
+            }
+            return [factors.reduce((a, f) => x => a(x) * f(x), factor0), query];
+        }
+
+        function parentheses(query) {
+            if (query[0] == "(") {
+                let [expr, rest] = sum(query.substr(1));
+                if (rest[0] != ")") {
+                    throw "parse error: missing ')' before '" + rest + "'";
+                }
+                return [expr, rest.substr(1)];
+            } else {
+                return atom(query);
+            }
+        }
+
+        function atom(query) {
+            specialParam = {
+                _thrNTime: item => (item[US] - thrNTimeZero) * 1e-6,
+                _thrRTime: item => (item[US] - thrRTimeZero) * 1e-6,
+                _thrTime: item => item[US] * 1e-6,
+                _thrNTimeMs: item => (item[US] - thrNTimeZero) * 1e-3,
+                _thrRTimeMs: item => (item[US] - thrRTimeZero) * 1e-3,
+                _thrTimeMs: item => item[US] * 1e-3,
+                _thrNTimeUs: item => item[US] - thrNTimeZero,
+                _thrRTimeUs: item => item[US] - thrRTimeZero,
+                _thrTimeUs: item => item[US],
+                _thrNTimeNs: item => (item[US] - thrNTimeZero) * 1e+3,
+                _thrRTimeNs: item => (item[US] - thrRTimeZero) * 1e+3,
+                _thrTimeNs: item => item[US] * 1e+3,
+                _thread: item => item[THREAD],
+            };
+            var match;
+            if (match = query.match(/^\d+(\.\d+)?/)) { // number literals
+                let literal = match[0];
+                return [record => literal, query.substr(match[0].length)];
+            } else if (match = query.match(/^#[0-9a-fA-F]+/)) { // color literals
+                let literal = match[0];
+                return [record => literal, query.substr(match[0].length)];
+            } else if (match = query.match(/^'(.*)'/)) { // string literal
+                let literal = match[1].replace(/\\'/, "'").replace(/\\\\/, "\\");
+                return [record => literal, query.substr(match[0].length)];
+            } else if (match = query.match(/^(?:(?:(\w+)\.)?(\w*)\.)?(\w+)(?:\[(-?\d+)\])?/)) {
+                let provider = match[1] || "";
+                let probe = match[2] || "";
+                let param = match[3];
+                let index = +(match[4] || 0);
+                let probeId = new Set();
+                for (let id = 0; id < probes.length; id++) {
+                    if ((!probe || probes[id].name == probe) &&
+                        (!provider || probes[id].provider == provider))
+                    {
+                        probeId.add(id);
+                    }
+                }
+                let isSpecial = specialParam.hasOwnProperty(param);
+                return [record => {
+                    let end = index >= 0? record.length: -1;
+                    let step = index >= 0? 1: -1;
+                    let skip = index >= 0? index: -index - 1;
+                    for (let i = index >= 0? 0: record.length - 1; i != end; i += step) {
+                        let item = record[i];
+                        if (probeId.has(item[PROBEID]) && (isSpecial || item[PARAMS].hasOwnProperty(param))) {
+                            if (skip == 0) {
+                                return isSpecial? specialParam[param](item): item[PARAMS][param];
+                            } else {
+                                skip--;
+                            }
+                        }
+                    }
+                    throw "no data";
+                }, query.substr(match[0].length)];
+            } else {
+                throw "parse error: invalid expression starting at '" + query + "'";
+            }
+        }
+    }
+
+    // ex1: "linear().domain([-1, 0, 1]).range(['red', 'white', 'green'])",
+    // ex2: "ordinal().domain(['a1', 'a2']).range(['blue', 'yellow'])"
+    function parseScale(query) {
+        query = query.replaceAll("'","\"");
+        var match, scale;
+        if (match = query.match(/^linear\(\)/)) {
+            scale = d3.scaleLinear();
+        } else if (match = query.match(/^pow\(\)/)) {
+            scale = d3.scalePow();
+        } else if (match = query.match(/^log\(\)/)) {
+            scale = d3.scaleLog();
+        } else if (match = query.match(/^identity\(\)/)) {
+            scale = d3.scaleIdentity();
+        } else if (match = query.match(/^time\(\)/)) {
+            scale = d3.scaleTime();
+        } else if (match = query.match(/^threshold\(\)/)) {
+            scale = d3.scaleThreshold();
+        } else if (match = query.match(/^ordinal\(\)/)) {
+            scale = d3.scaleOrdinal();
+        } else {
+            throw "Unable to parse scale: " + query;
+        }
+        if (match = query.match(/\.domain\(([^\)]+)\)/)) {
+            scale.domain(JSON.parse(match[1]));
+        }
+        if (match = query.match(/\.range\(([^\)]+)\)/)) {
+            scale.range(JSON.parse(match[1]));
+        }
+        if (match = query.match(/\.unknown\(([^\)]+)\)/)) {
+            scale.unknown(JSON.parse(match[1]));
+        }
+        return scale;
+    }
+
+    function parseLogs(config, logs) {
+        data = [];
+        probes = logs.probes;
+        if (config.hasOwnProperty('scales'))
+        for (let [name, text] of Object.entries(config.scales)) {
+            scales[name] = parseScale(text);
+        }
+        // Compute aggregates
+        let minUs = new Map();
+        for (record of logs.depot) {
+            if (record.length > 0) {
+                let item = record[0];
+                let us = item[US];
+                let thread = item[US];
+                if (!minUs.has(thread)) {
+                    minUs.set(thread, us);
+                } else {
+                    minUs.set(thread, Math.min(us, minUs.get(thread)));
+                }
+            }
+        }
+        thrNTimeZero = Number.MAX_VALUE;
+        thrRTimeZero = 0;
+        for (let [thread, us] of minUs) {
+            thrNTimeZero = Math.min(thrNTimeZero, us);
+            thrRTimeZero = Math.max(thrRTimeZero, us);
+        }
+        // Comple data for bands
+        for (let bandCfg of config.bands) {
+            function applyScale(func, scaleName) {
+                if (scaleName) {
+                    let scale = scales[scaleName];
+                    return (record) => {
+                        let value = func(record);
+                        if (value != null) {
+                            value = scale(value);
+                        }
+                        return value;
+                    };
+                } else {
+                    return func;
+                }
+            }
+            let t1f = applyScale(compile(bandCfg.t1), bandCfg.t1Scale);
+            let t2f = applyScale(compile(bandCfg.t2), bandCfg.t2Scale);
+            let bandf = applyScale(compile(bandCfg.band), bandCfg.bandScale);
+            let colorf = applyScale(compile(bandCfg.color), bandCfg.colorScale);
+            let minTime = Number.MAX_VALUE;
+            let maxTime = -Number.MAX_VALUE;
+            for (record of logs.depot) {
+                let t1 = t1f(record),
+                    t2 = t2f(record),
+                    band = bandf(record),
+                    color = colorf(record)
+                ;
+                if (t1 != null && t2 != null && band != null && color != null) {
+                    data.push({t1, t2, band, color, record});
+                    minTime = Math.min(minTime, t1);
+                    maxTime = Math.max(maxTime, t2);
+                }
+            }
+            if (minTime != Number.MAX_VALUE) {
+                minT = minTime;
+                maxT = maxTime;
+            }
+        }
+    }
+
+// public:
+
+    gantt.width = function(value) {
+        if (!arguments.length)
+            return width;
+        width = +value;
+        return gantt;
+    }
+
+    gantt.height = function(value) {
+        if (!arguments.length)
+            return height;
+        height = +value;
+        return gantt;
+    }
+
+    gantt.selector = function(value) {
+        if (!arguments.length)
+            return selector;
+        selector = value;
+        return gantt;
+    }
+
+    gantt.timeDomain = function(value) {
+        if (!arguments.length)
+            return [timeDomainStart, timeDomainEnd];
+        timeDomainStart = value[0];
+        timeDomainEnd = value[1];
+        return gantt;
+    }
+
+    gantt.data = function() {
+        return data;
+    }
+
+    // constructor
+
+    // Log Format
+    const
+        THREAD = 0,
+        US = 1,
+        PROBEID = 2,
+        PARAMS = 3
+    ;
+
+    // Config
+    var margin = { top: 20, right: 40, bottom: 20, left: 100, footer: 100 },
+        height = document.body.clientHeight - margin.top - margin.bottom - 5,
+        width = document.body.clientWidth - margin.right - margin.left - 5,
+        selector = 'body',
+        timeDomainStart = 0,
+        timeDomainEnd = 1000,
+        scales = {};
+    ;
+
+    // View
+    var x = null,
+        xZoomed = null,
+        y = null,
+        xAxis = null,
+        yAxis = null,
+        svg = null,
+        defs = null,
+        svgChartContainer = null,
+        svgChart = null,
+        zoomPanel = null,
+        zoomContainer1 = null,
+        zoomContainer2 = null,
+        fixedContainer = null,
+        zoom = null,
+        bandsSvg = null,
+        bands = null,
+        tip = null,
+        tipShown = null,
+        ruler = null
+    ;
+
+    // Model
+    var data = null,
+        probes = null,
+        thrRTimeZero = 0,
+        thrNTimeZero = 0,
+        minT,
+        maxT
+    ;
+
+    return gantt;
+}
\ No newline at end of file
diff --git a/library/cpp/lwtrace/mon/static/js/d3-tip-0.8.0-alpha.1.js b/library/cpp/lwtrace/mon/static/js/d3-tip-0.8.0-alpha.1.js
index 2b2e61ad4c..ad3a6c0d19 100644
--- a/library/cpp/lwtrace/mon/static/js/d3-tip-0.8.0-alpha.1.js
+++ b/library/cpp/lwtrace/mon/static/js/d3-tip-0.8.0-alpha.1.js
@@ -1,352 +1,352 @@
-/** 
- * d3.tip 
- * Copyright (c) 2013 Justin Palmer 
- * 
- * Tooltips for d3.js SVG visualizations 
- */ 
-// eslint-disable-next-line no-extra-semi 
-;(function(root, factory) { 
-  if (typeof define === 'function' && define.amd) { 
-    // AMD. Register as an anonymous module with d3 as a dependency. 
-    define([ 
-      'd3-collection', 
-      'd3-selection' 
-    ], factory) 
-  } else if (typeof module === 'object' && module.exports) { 
-    /* eslint-disable global-require */ 
-    // CommonJS 
-    var d3Collection = require('d3-collection'), 
-        d3Selection = require('d3-selection') 
-    module.exports = factory(d3Collection, d3Selection) 
-    /* eslint-enable global-require */ 
-  } else { 
-    // Browser global. 
-    var d3 = root.d3 
-    // eslint-disable-next-line no-param-reassign 
-    root.d3.tip = factory(d3, d3) 
-  } 
-}(this, function(d3Collection, d3Selection) { 
-  // Public - contructs a new tooltip 
-  // 
-  // Returns a tip 
-  return function() { 
-    var direction   = d3TipDirection, 
-        offset      = d3TipOffset, 
-        html        = d3TipHTML, 
-        rootElement = document.body, 
-        node        = initNode(), 
-        svg         = null, 
-        point       = null, 
-        target      = null 
- 
-    function tip(vis) { 
-      svg = getSVGNode(vis) 
-      if (!svg) return 
-      point = svg.createSVGPoint() 
-      rootElement.appendChild(node) 
-    } 
- 
-    // Public - show the tooltip on the screen 
-    // 
-    // Returns a tip 
-    tip.show = function() { 
-      var args = Array.prototype.slice.call(arguments) 
-      if (args[args.length - 1] instanceof SVGElement) target = args.pop() 
- 
-      var content = html.apply(this, args), 
-          poffset = offset.apply(this, args), 
-          dir     = direction.apply(this, args), 
-          nodel   = getNodeEl(), 
-          i       = directions.length, 
-          coords, 
-          scrollTop  = document.documentElement.scrollTop || 
-            rootElement.scrollTop, 
-          scrollLeft = document.documentElement.scrollLeft || 
-            rootElement.scrollLeft 
- 
-      nodel.html(content) 
-        .style('opacity', 1).style('pointer-events', 'all') 
- 
-      while (i--) nodel.classed(directions[i], false) 
-      coords = directionCallbacks.get(dir).apply(this) 
-      nodel.classed(dir, true) 
-        .style('top', (coords.top + poffset[0]) + scrollTop + 'px') 
-        .style('left', (coords.left + poffset[1]) + scrollLeft + 'px') 
- 
-      return tip 
-    } 
- 
-    // Public - hide the tooltip 
-    // 
-    // Returns a tip 
-    tip.hide = function() { 
-      var nodel = getNodeEl() 
-      nodel.style('opacity', 0).style('pointer-events', 'none') 
-      return tip 
-    } 
- 
-    // Public: Proxy attr calls to the d3 tip container. 
-    // Sets or gets attribute value. 
-    // 
-    // n - name of the attribute 
-    // v - value of the attribute 
-    // 
-    // Returns tip or attribute value 
-    // eslint-disable-next-line no-unused-vars 
-    tip.attr = function(n, v) { 
-      if (arguments.length < 2 && typeof n === 'string') { 
-        return getNodeEl().attr(n) 
-      } 
- 
-      var args =  Array.prototype.slice.call(arguments) 
-      d3Selection.selection.prototype.attr.apply(getNodeEl(), args) 
-      return tip 
-    } 
- 
-    // Public: Proxy style calls to the d3 tip container. 
-    // Sets or gets a style value. 
-    // 
-    // n - name of the property 
-    // v - value of the property 
-    // 
-    // Returns tip or style property value 
-    // eslint-disable-next-line no-unused-vars 
-    tip.style = function(n, v) { 
-      if (arguments.length < 2 && typeof n === 'string') { 
-        return getNodeEl().style(n) 
-      } 
- 
-      var args = Array.prototype.slice.call(arguments) 
-      d3Selection.selection.prototype.style.apply(getNodeEl(), args) 
-      return tip 
-    } 
- 
-    // Public: Set or get the direction of the tooltip 
-    // 
-    // v - One of n(north), s(south), e(east), or w(west), nw(northwest), 
-    //     sw(southwest), ne(northeast) or se(southeast) 
-    // 
-    // Returns tip or direction 
-    tip.direction = function(v) { 
-      if (!arguments.length) return direction 
-      direction = v == null ? v : functor(v) 
- 
-      return tip 
-    } 
- 
-    // Public: Sets or gets the offset of the tip 
-    // 
-    // v - Array of [x, y] offset 
-    // 
-    // Returns offset or 
-    tip.offset = function(v) { 
-      if (!arguments.length) return offset 
-      offset = v == null ? v : functor(v) 
- 
-      return tip 
-    } 
- 
-    // Public: sets or gets the html value of the tooltip 
-    // 
-    // v - String value of the tip 
-    // 
-    // Returns html value or tip 
-    tip.html = function(v) { 
-      if (!arguments.length) return html 
-      html = v == null ? v : functor(v) 
- 
-      return tip 
-    } 
- 
-    // Public: sets or gets the root element anchor of the tooltip 
-    // 
-    // v - root element of the tooltip 
-    // 
-    // Returns root node of tip 
-    tip.rootElement = function(v) { 
-      if (!arguments.length) return rootElement 
-      rootElement = v == null ? v : functor(v) 
- 
-      return tip 
-    } 
- 
-    // Public: destroys the tooltip and removes it from the DOM 
-    // 
-    // Returns a tip 
-    tip.destroy = function() { 
-      if (node) { 
-        getNodeEl().remove() 
-        node = null 
-      } 
-      return tip 
-    } 
- 
-    function d3TipDirection() { return 'n' } 
-    function d3TipOffset() { return [0, 0] } 
-    function d3TipHTML() { return ' ' } 
- 
-    var directionCallbacks = d3Collection.map({ 
-          n:  directionNorth, 
-          s:  directionSouth, 
-          e:  directionEast, 
-          w:  directionWest, 
-          nw: directionNorthWest, 
-          ne: directionNorthEast, 
-          sw: directionSouthWest, 
-          se: directionSouthEast 
-        }), 
-        directions = directionCallbacks.keys() 
- 
-    function directionNorth() { 
-      var bbox = getScreenBBox() 
-      return { 
-        top:  bbox.n.y - node.offsetHeight, 
-        left: bbox.n.x - node.offsetWidth / 2 
-      } 
-    } 
- 
-    function directionSouth() { 
-      var bbox = getScreenBBox() 
-      return { 
-        top:  bbox.s.y, 
-        left: bbox.s.x - node.offsetWidth / 2 
-      } 
-    } 
- 
-    function directionEast() { 
-      var bbox = getScreenBBox() 
-      return { 
-        top:  bbox.e.y - node.offsetHeight / 2, 
-        left: bbox.e.x 
-      } 
-    } 
- 
-    function directionWest() { 
-      var bbox = getScreenBBox() 
-      return { 
-        top:  bbox.w.y - node.offsetHeight / 2, 
-        left: bbox.w.x - node.offsetWidth 
-      } 
-    } 
- 
-    function directionNorthWest() { 
-      var bbox = getScreenBBox() 
-      return { 
-        top:  bbox.nw.y - node.offsetHeight, 
-        left: bbox.nw.x - node.offsetWidth 
-      } 
-    } 
- 
-    function directionNorthEast() { 
-      var bbox = getScreenBBox() 
-      return { 
-        top:  bbox.ne.y - node.offsetHeight, 
-        left: bbox.ne.x 
-      } 
-    } 
- 
-    function directionSouthWest() { 
-      var bbox = getScreenBBox() 
-      return { 
-        top:  bbox.sw.y, 
-        left: bbox.sw.x - node.offsetWidth 
-      } 
-    } 
- 
-    function directionSouthEast() { 
-      var bbox = getScreenBBox() 
-      return { 
-        top:  bbox.se.y, 
-        left: bbox.se.x 
-      } 
-    } 
- 
-    function initNode() { 
-      var div = d3Selection.select(document.createElement('div')) 
-      div 
-        .style('position', 'absolute') 
-        .style('top', 0) 
-        .style('opacity', 0) 
-        .style('pointer-events', 'none') 
-        .style('box-sizing', 'border-box') 
- 
-      return div.node() 
-    } 
- 
-    function getSVGNode(element) { 
-      var svgNode = element.node() 
-      if (!svgNode) return null 
-      if (svgNode.tagName.toLowerCase() === 'svg') return svgNode 
-      return svgNode.ownerSVGElement 
-    } 
- 
-    function getNodeEl() { 
-      if (node == null) { 
-        node = initNode() 
-        // re-add node to DOM 
-        rootElement.appendChild(node) 
-      } 
-      return d3Selection.select(node) 
-    } 
- 
-    // Private - gets the screen coordinates of a shape 
-    // 
-    // Given a shape on the screen, will return an SVGPoint for the directions 
-    // n(north), s(south), e(east), w(west), ne(northeast), se(southeast), 
-    // nw(northwest), sw(southwest). 
-    // 
-    //    +-+-+ 
-    //    |   | 
-    //    +   + 
-    //    |   | 
-    //    +-+-+ 
-    // 
-    // Returns an Object {n, s, e, w, nw, sw, ne, se} 
-    function getScreenBBox() { 
-      var targetel   = target || d3Selection.event.target 
- 
-      while (targetel.getScreenCTM == null && targetel.parentNode == null) { 
-        targetel = targetel.parentNode 
-      } 
- 
-      var bbox       = {}, 
-          matrix     = targetel.getScreenCTM(), 
-          tbbox      = targetel.getBBox(), 
-          width      = tbbox.width, 
-          height     = tbbox.height, 
-          x          = tbbox.x, 
-          y          = tbbox.y 
- 
-      point.x = x 
-      point.y = y 
-      bbox.nw = point.matrixTransform(matrix) 
-      point.x += width 
-      bbox.ne = point.matrixTransform(matrix) 
-      point.y += height 
-      bbox.se = point.matrixTransform(matrix) 
-      point.x -= width 
-      bbox.sw = point.matrixTransform(matrix) 
-      point.y -= height / 2 
-      bbox.w = point.matrixTransform(matrix) 
-      point.x += width 
-      bbox.e = point.matrixTransform(matrix) 
-      point.x -= width / 2 
-      point.y -= height / 2 
-      bbox.n = point.matrixTransform(matrix) 
-      point.y += height 
-      bbox.s = point.matrixTransform(matrix) 
- 
-      return bbox 
-    } 
- 
-    // Private - replace D3JS 3.X d3.functor() function 
-    function functor(v) { 
-      return typeof v === 'function' ? v : function() { 
-        return v 
-      } 
-    } 
- 
-    return tip 
-  } 
-// eslint-disable-next-line semi 
-})); 
+/**
+ * d3.tip
+ * Copyright (c) 2013 Justin Palmer
+ *
+ * Tooltips for d3.js SVG visualizations
+ */
+// eslint-disable-next-line no-extra-semi
+;(function(root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module with d3 as a dependency.
+    define([
+      'd3-collection',
+      'd3-selection'
+    ], factory)
+  } else if (typeof module === 'object' && module.exports) {
+    /* eslint-disable global-require */
+    // CommonJS
+    var d3Collection = require('d3-collection'),
+        d3Selection = require('d3-selection')
+    module.exports = factory(d3Collection, d3Selection)
+    /* eslint-enable global-require */
+  } else {
+    // Browser global.
+    var d3 = root.d3
+    // eslint-disable-next-line no-param-reassign
+    root.d3.tip = factory(d3, d3)
+  }
+}(this, function(d3Collection, d3Selection) {
+  // Public - contructs a new tooltip
+  //
+  // Returns a tip
+  return function() {
+    var direction   = d3TipDirection,
+        offset      = d3TipOffset,
+        html        = d3TipHTML,
+        rootElement = document.body,
+        node        = initNode(),
+        svg         = null,
+        point       = null,
+        target      = null
+
+    function tip(vis) {
+      svg = getSVGNode(vis)
+      if (!svg) return
+      point = svg.createSVGPoint()
+      rootElement.appendChild(node)
+    }
+
+    // Public - show the tooltip on the screen
+    //
+    // Returns a tip
+    tip.show = function() {
+      var args = Array.prototype.slice.call(arguments)
+      if (args[args.length - 1] instanceof SVGElement) target = args.pop()
+
+      var content = html.apply(this, args),
+          poffset = offset.apply(this, args),
+          dir     = direction.apply(this, args),
+          nodel   = getNodeEl(),
+          i       = directions.length,
+          coords,
+          scrollTop  = document.documentElement.scrollTop ||
+            rootElement.scrollTop,
+          scrollLeft = document.documentElement.scrollLeft ||
+            rootElement.scrollLeft
+
+      nodel.html(content)
+        .style('opacity', 1).style('pointer-events', 'all')
+
+      while (i--) nodel.classed(directions[i], false)
+      coords = directionCallbacks.get(dir).apply(this)
+      nodel.classed(dir, true)
+        .style('top', (coords.top + poffset[0]) + scrollTop + 'px')
+        .style('left', (coords.left + poffset[1]) + scrollLeft + 'px')
+
+      return tip
+    }
+
+    // Public - hide the tooltip
+    //
+    // Returns a tip
+    tip.hide = function() {
+      var nodel = getNodeEl()
+      nodel.style('opacity', 0).style('pointer-events', 'none')
+      return tip
+    }
+
+    // Public: Proxy attr calls to the d3 tip container.
+    // Sets or gets attribute value.
+    //
+    // n - name of the attribute
+    // v - value of the attribute
+    //
+    // Returns tip or attribute value
+    // eslint-disable-next-line no-unused-vars
+    tip.attr = function(n, v) {
+      if (arguments.length < 2 && typeof n === 'string') {
+        return getNodeEl().attr(n)
+      }
+
+      var args =  Array.prototype.slice.call(arguments)
+      d3Selection.selection.prototype.attr.apply(getNodeEl(), args)
+      return tip
+    }
+
+    // Public: Proxy style calls to the d3 tip container.
+    // Sets or gets a style value.
+    //
+    // n - name of the property
+    // v - value of the property
+    //
+    // Returns tip or style property value
+    // eslint-disable-next-line no-unused-vars
+    tip.style = function(n, v) {
+      if (arguments.length < 2 && typeof n === 'string') {
+        return getNodeEl().style(n)
+      }
+
+      var args = Array.prototype.slice.call(arguments)
+      d3Selection.selection.prototype.style.apply(getNodeEl(), args)
+      return tip
+    }
+
+    // Public: Set or get the direction of the tooltip
+    //
+    // v - One of n(north), s(south), e(east), or w(west), nw(northwest),
+    //     sw(southwest), ne(northeast) or se(southeast)
+    //
+    // Returns tip or direction
+    tip.direction = function(v) {
+      if (!arguments.length) return direction
+      direction = v == null ? v : functor(v)
+
+      return tip
+    }
+
+    // Public: Sets or gets the offset of the tip
+    //
+    // v - Array of [x, y] offset
+    //
+    // Returns offset or
+    tip.offset = function(v) {
+      if (!arguments.length) return offset
+      offset = v == null ? v : functor(v)
+
+      return tip
+    }
+
+    // Public: sets or gets the html value of the tooltip
+    //
+    // v - String value of the tip
+    //
+    // Returns html value or tip
+    tip.html = function(v) {
+      if (!arguments.length) return html
+      html = v == null ? v : functor(v)
+
+      return tip
+    }
+
+    // Public: sets or gets the root element anchor of the tooltip
+    //
+    // v - root element of the tooltip
+    //
+    // Returns root node of tip
+    tip.rootElement = function(v) {
+      if (!arguments.length) return rootElement
+      rootElement = v == null ? v : functor(v)
+
+      return tip
+    }
+
+    // Public: destroys the tooltip and removes it from the DOM
+    //
+    // Returns a tip
+    tip.destroy = function() {
+      if (node) {
+        getNodeEl().remove()
+        node = null
+      }
+      return tip
+    }
+
+    function d3TipDirection() { return 'n' }
+    function d3TipOffset() { return [0, 0] }
+    function d3TipHTML() { return ' ' }
+
+    var directionCallbacks = d3Collection.map({
+          n:  directionNorth,
+          s:  directionSouth,
+          e:  directionEast,
+          w:  directionWest,
+          nw: directionNorthWest,
+          ne: directionNorthEast,
+          sw: directionSouthWest,
+          se: directionSouthEast
+        }),
+        directions = directionCallbacks.keys()
+
+    function directionNorth() {
+      var bbox = getScreenBBox()
+      return {
+        top:  bbox.n.y - node.offsetHeight,
+        left: bbox.n.x - node.offsetWidth / 2
+      }
+    }
+
+    function directionSouth() {
+      var bbox = getScreenBBox()
+      return {
+        top:  bbox.s.y,
+        left: bbox.s.x - node.offsetWidth / 2
+      }
+    }
+
+    function directionEast() {
+      var bbox = getScreenBBox()
+      return {
+        top:  bbox.e.y - node.offsetHeight / 2,
+        left: bbox.e.x
+      }
+    }
+
+    function directionWest() {
+      var bbox = getScreenBBox()
+      return {
+        top:  bbox.w.y - node.offsetHeight / 2,
+        left: bbox.w.x - node.offsetWidth
+      }
+    }
+
+    function directionNorthWest() {
+      var bbox = getScreenBBox()
+      return {
+        top:  bbox.nw.y - node.offsetHeight,
+        left: bbox.nw.x - node.offsetWidth
+      }
+    }
+
+    function directionNorthEast() {
+      var bbox = getScreenBBox()
+      return {
+        top:  bbox.ne.y - node.offsetHeight,
+        left: bbox.ne.x
+      }
+    }
+
+    function directionSouthWest() {
+      var bbox = getScreenBBox()
+      return {
+        top:  bbox.sw.y,
+        left: bbox.sw.x - node.offsetWidth
+      }
+    }
+
+    function directionSouthEast() {
+      var bbox = getScreenBBox()
+      return {
+        top:  bbox.se.y,
+        left: bbox.se.x
+      }
+    }
+
+    function initNode() {
+      var div = d3Selection.select(document.createElement('div'))
+      div
+        .style('position', 'absolute')
+        .style('top', 0)
+        .style('opacity', 0)
+        .style('pointer-events', 'none')
+        .style('box-sizing', 'border-box')
+
+      return div.node()
+    }
+
+    function getSVGNode(element) {
+      var svgNode = element.node()
+      if (!svgNode) return null
+      if (svgNode.tagName.toLowerCase() === 'svg') return svgNode
+      return svgNode.ownerSVGElement
+    }
+
+    function getNodeEl() {
+      if (node == null) {
+        node = initNode()
+        // re-add node to DOM
+        rootElement.appendChild(node)
+      }
+      return d3Selection.select(node)
+    }
+
+    // Private - gets the screen coordinates of a shape
+    //
+    // Given a shape on the screen, will return an SVGPoint for the directions
+    // n(north), s(south), e(east), w(west), ne(northeast), se(southeast),
+    // nw(northwest), sw(southwest).
+    //
+    //    +-+-+
+    //    |   |
+    //    +   +
+    //    |   |
+    //    +-+-+
+    //
+    // Returns an Object {n, s, e, w, nw, sw, ne, se}
+    function getScreenBBox() {
+      var targetel   = target || d3Selection.event.target
+
+      while (targetel.getScreenCTM == null && targetel.parentNode == null) {
+        targetel = targetel.parentNode
+      }
+
+      var bbox       = {},
+          matrix     = targetel.getScreenCTM(),
+          tbbox      = targetel.getBBox(),
+          width      = tbbox.width,
+          height     = tbbox.height,
+          x          = tbbox.x,
+          y          = tbbox.y
+
+      point.x = x
+      point.y = y
+      bbox.nw = point.matrixTransform(matrix)
+      point.x += width
+      bbox.ne = point.matrixTransform(matrix)
+      point.y += height
+      bbox.se = point.matrixTransform(matrix)
+      point.x -= width
+      bbox.sw = point.matrixTransform(matrix)
+      point.y -= height / 2
+      bbox.w = point.matrixTransform(matrix)
+      point.x += width
+      bbox.e = point.matrixTransform(matrix)
+      point.x -= width / 2
+      point.y -= height / 2
+      bbox.n = point.matrixTransform(matrix)
+      point.y += height
+      bbox.s = point.matrixTransform(matrix)
+
+      return bbox
+    }
+
+    // Private - replace D3JS 3.X d3.functor() function
+    function functor(v) {
+      return typeof v === 'function' ? v : function() {
+        return v
+      }
+    }
+
+    return tip
+  }
+// eslint-disable-next-line semi
+}));
diff --git a/library/cpp/lwtrace/mon/static/js/d3.v4.min.js b/library/cpp/lwtrace/mon/static/js/d3.v4.min.js
index 544c4eb8cd..6a2705865c 100644
--- a/library/cpp/lwtrace/mon/static/js/d3.v4.min.js
+++ b/library/cpp/lwtrace/mon/static/js/d3.v4.min.js
@@ -1,2 +1,2 @@
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3:this._point=4;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};tc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Xg=function t(n){function e(t){return 1===n?new Ja(t):new tc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:nc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var $g=function t(n){function e(t){return new ec(t,n)}return e.tension=function(n){return t(+n)},e}(0);rc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Vg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Wg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Zg=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Gg=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return 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n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u<e;++o,++u)this._context.bezierCurveTo(r[0][o],i[0][o],r[1][o],i[1][o],t[u],n[u]);(this._line||0!==this._line&&1===e)&&this._context.closePath(),this._line=1-this._line,this._x=this._y=null},point:function(t,n){this._x.push(+t),this._y.push(+n)}};mc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=this._y=NaN,this._point=0},lineEnd:function(){0<this._t&&this._t<1&&2===this._point&&this._context.lineTo(this._x,this._y),(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line>=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var Qg=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o<i;++o)for(r=u,u=t[n[o]],e=0;e<a;++e)u[e][1]+=u[e][0]=isNaN(r[e][1])?r[e][0]:r[e][1]},Kg=function(t){for(var n=t.length,e=new Array(n);--n>=0;)e[n]=n;return e},tm=function(t){var n=t.map(bc);return Kg(t).sort(function(t,e){return n[t]-n[e]})},nm=function(t){return function(){return t}};Tc.prototype={constructor:Tc,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else this._?(t=Ec(this._),n.P=null,n.N=t,t.P=t.L=n,e=t):(n.P=n.N=null,this._=n,e=null);for(n.L=n.R=null,n.U=e,n.C=!0,t=n;e&&e.C;)e===(r=e.U).L?(i=r.R)&&i.C?(e.C=i.C=!1,r.C=!0,t=r):(t===e.R&&(Nc(this,e),e=(t=e).U),e.C=!1,r.C=!0,Sc(this,r)):(i=r.L)&&i.C?(e.C=i.C=!1,r.C=!0,t=r):(t===e.L&&(Sc(this,e),e=(t=e).U),e.C=!1,r.C=!0,Nc(this,r)),e=t.U;this._.C=!1},remove:function(t){t.N&&(t.N.P=t.P),t.P&&(t.P.N=t.N),t.N=t.P=null;var n,e,r,i=t.U,o=t.L,u=t.R;if(e=o?u?Ec(u):o:u,i?i.L===t?i.L=e:i.R=e:this._=e,o&&u?(r=e.C,e.C=t.C,e.L=o,o.U=e,e!==u?(i=e.U,e.U=t.U,t=e.R,i.L=t,e.R=u,u.U=e):(e.U=i,i=e,t=e.R)):(r=t.C,t=e),t&&(t.U=i),!r)if(t&&t.C)t.C=!1;else{do{if(t===this._)break;if(t===i.L){if((n=i.R).C&&(n.C=!1,i.C=!0,Nc(this,i),n=i.R),n.L&&n.L.C||n.R&&n.R.C){n.R&&n.R.C||(n.L.C=!1,n.C=!0,Sc(this,n),n=i.R),n.C=i.C,i.C=n.R.C=!1,Nc(this,i),t=this._;break}}else if((n=i.L).C&&(n.C=!1,i.C=!0,Sc(this,i),n=i.L),n.L&&n.L.C||n.R&&n.R.C){n.L&&n.L.C||(n.R.C=!1,n.C=!0,Nc(this,n),n=i.L),n.C=i.C,i.C=n.L.C=!1,Sc(this,i),t=this._;break}n.C=!0,t=i,i=i.U}while(!t.C);t&&(t.C=!1)}}};var em,rm,im,om,um,am=[],cm=[],sm=1e-6,fm=1e-12;Kc.prototype={constructor:Kc,polygons:function(){var t=this.edges;return this.cells.map(function(n){var e=n.halfedges.map(function(e){return Dc(n,t[e])});return e.data=n.site.data,e})},triangles:function(){var t=[],n=this.edges;return this.cells.forEach(function(e,r){if(o=(i=e.halfedges).length)for(var i,o,u,a=e.site,c=-1,s=n[i[o-1]],f=s.left===a?s.right:s.left;++c<o;)u=f,f=(s=n[i[c]]).left===a?s.right:s.left,u&&f&&r<u.index&&r<f.index&&Jc(a,u,f)<0&&t.push([a.data,u.data,f.data])}),t},links:function(){return this.edges.filter(function(t){return t.right}).map(function(t){return{source:t.left.data,target:t.right.data}})},find:function(t,n,e){for(var r,i,o=this,u=o._found||0,a=o.cells.length;!(i=o.cells[u]);)if(++u>=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do{i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;l<f&&(f=l,u=a.index)}})}while(null!==u);return o._found=r,null==e||f<=e*e?i.site:null}};var lm=function(t){return function(){return t}};ns.prototype={constructor:ns,scale:function(t){return 1===t?this:new ns(this.k*t,this.x,this.y)},translate:function(t,n){return 0===t&0===n?this:new ns(this.k,this.x+this.k*t,this.y+this.k*n)},apply:function(t){return[t[0]*this.k+this.x,t[1]*this.k+this.y]},applyX:function(t){return t*this.k+this.x},applyY:function(t){return t*this.k+this.y},invert:function(t){return[(t[0]-this.x)/this.k,(t[1]-this.y)/this.k]},invertX:function(t){return(t-this.x)/this.k},invertY:function(t){return(t-this.y)/this.k},rescaleX:function(t){return t.copy().domain(t.range().map(this.invertX,this).map(t.invert,t))},rescaleY:function(t){return 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3:this._point=4;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};tc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Xg=function t(n){function e(t){return 1===n?new Ja(t):new tc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:nc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var $g=function t(n){function e(t){return new ec(t,n)}return e.tension=function(n){return t(+n)},e}(0);rc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Vg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Wg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Zg=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Gg=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return 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n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u<e;++o,++u)this._context.bezierCurveTo(r[0][o],i[0][o],r[1][o],i[1][o],t[u],n[u]);(this._line||0!==this._line&&1===e)&&this._context.closePath(),this._line=1-this._line,this._x=this._y=null},point:function(t,n){this._x.push(+t),this._y.push(+n)}};mc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=this._y=NaN,this._point=0},lineEnd:function(){0<this._t&&this._t<1&&2===this._point&&this._context.lineTo(this._x,this._y),(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line>=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var Qg=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o<i;++o)for(r=u,u=t[n[o]],e=0;e<a;++e)u[e][1]+=u[e][0]=isNaN(r[e][1])?r[e][0]:r[e][1]},Kg=function(t){for(var n=t.length,e=new Array(n);--n>=0;)e[n]=n;return e},tm=function(t){var n=t.map(bc);return Kg(t).sort(function(t,e){return n[t]-n[e]})},nm=function(t){return function(){return t}};Tc.prototype={constructor:Tc,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else this._?(t=Ec(this._),n.P=null,n.N=t,t.P=t.L=n,e=t):(n.P=n.N=null,this._=n,e=null);for(n.L=n.R=null,n.U=e,n.C=!0,t=n;e&&e.C;)e===(r=e.U).L?(i=r.R)&&i.C?(e.C=i.C=!1,r.C=!0,t=r):(t===e.R&&(Nc(this,e),e=(t=e).U),e.C=!1,r.C=!0,Sc(this,r)):(i=r.L)&&i.C?(e.C=i.C=!1,r.C=!0,t=r):(t===e.L&&(Sc(this,e),e=(t=e).U),e.C=!1,r.C=!0,Nc(this,r)),e=t.U;this._.C=!1},remove:function(t){t.N&&(t.N.P=t.P),t.P&&(t.P.N=t.N),t.N=t.P=null;var n,e,r,i=t.U,o=t.L,u=t.R;if(e=o?u?Ec(u):o:u,i?i.L===t?i.L=e:i.R=e:this._=e,o&&u?(r=e.C,e.C=t.C,e.L=o,o.U=e,e!==u?(i=e.U,e.U=t.U,t=e.R,i.L=t,e.R=u,u.U=e):(e.U=i,i=e,t=e.R)):(r=t.C,t=e),t&&(t.U=i),!r)if(t&&t.C)t.C=!1;else{do{if(t===this._)break;if(t===i.L){if((n=i.R).C&&(n.C=!1,i.C=!0,Nc(this,i),n=i.R),n.L&&n.L.C||n.R&&n.R.C){n.R&&n.R.C||(n.L.C=!1,n.C=!0,Sc(this,n),n=i.R),n.C=i.C,i.C=n.R.C=!1,Nc(this,i),t=this._;break}}else if((n=i.L).C&&(n.C=!1,i.C=!0,Sc(this,i),n=i.L),n.L&&n.L.C||n.R&&n.R.C){n.L&&n.L.C||(n.R.C=!1,n.C=!0,Nc(this,n),n=i.L),n.C=i.C,i.C=n.L.C=!1,Sc(this,i),t=this._;break}n.C=!0,t=i,i=i.U}while(!t.C);t&&(t.C=!1)}}};var em,rm,im,om,um,am=[],cm=[],sm=1e-6,fm=1e-12;Kc.prototype={constructor:Kc,polygons:function(){var t=this.edges;return this.cells.map(function(n){var e=n.halfedges.map(function(e){return Dc(n,t[e])});return e.data=n.site.data,e})},triangles:function(){var t=[],n=this.edges;return this.cells.forEach(function(e,r){if(o=(i=e.halfedges).length)for(var i,o,u,a=e.site,c=-1,s=n[i[o-1]],f=s.left===a?s.right:s.left;++c<o;)u=f,f=(s=n[i[c]]).left===a?s.right:s.left,u&&f&&r<u.index&&r<f.index&&Jc(a,u,f)<0&&t.push([a.data,u.data,f.data])}),t},links:function(){return this.edges.filter(function(t){return t.right}).map(function(t){return{source:t.left.data,target:t.right.data}})},find:function(t,n,e){for(var r,i,o=this,u=o._found||0,a=o.cells.length;!(i=o.cells[u]);)if(++u>=a)return null;var c=t-i.site[0],s=n-i.site[1],f=c*c+s*s;do{i=o.cells[r=u],u=null,i.halfedges.forEach(function(e){var r=o.edges[e],a=r.left;if(a!==i.site&&a||(a=r.right)){var c=t-a[0],s=n-a[1],l=c*c+s*s;l<f&&(f=l,u=a.index)}})}while(null!==u);return o._found=r,null==e||f<=e*e?i.site:null}};var lm=function(t){return function(){return t}};ns.prototype={constructor:ns,scale:function(t){return 1===t?this:new ns(this.k*t,this.x,this.y)},translate:function(t,n){return 0===t&0===n?this:new ns(this.k,this.x+this.k*t,this.y+this.k*n)},apply:function(t){return[t[0]*this.k+this.x,t[1]*this.k+this.y]},applyX:function(t){return t*this.k+this.x},applyY:function(t){return t*this.k+this.y},invert:function(t){return[(t[0]-this.x)/this.k,(t[1]-this.y)/this.k]},invertX:function(t){return(t-this.x)/this.k},invertY:function(t){return(t-this.y)/this.k},rescaleX:function(t){return t.copy().domain(t.range().map(this.invertX,this).map(t.invert,t))},rescaleY:function(t){return 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diff --git a/library/cpp/lwtrace/mon/static/js/filesaver.min.js b/library/cpp/lwtrace/mon/static/js/filesaver.min.js
index eaebca442a..b431d9bc5b 100644
--- a/library/cpp/lwtrace/mon/static/js/filesaver.min.js
+++ b/library/cpp/lwtrace/mon/static/js/filesaver.min.js
@@ -1 +1 @@
-(function(a,b){if("function"==typeof define&&define.amd)define([],b);else if("undefined"!=typeof exports)b();else{b(),a.FileSaver={exports:{}}.exports}})(this,function(){"use strict";function b(a,b){return"undefined"==typeof b?b={autoBom:!1}:"object"!=typeof b&&(console.warn("Deprecated: Expected third argument to be a object"),b={autoBom:!b}),b.autoBom&&/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(a.type)?new Blob(["\uFEFF",a],{type:a.type}):a}function c(b,c,d){var e=new XMLHttpRequest;e.open("GET",b),e.responseType="blob",e.onload=function(){a(e.response,c,d)},e.onerror=function(){console.error("could not download file")},e.send()}function d(a){var b=new XMLHttpRequest;b.open("HEAD",a,!1);try{b.send()}catch(a){}return 200<=b.status&&299>=b.status}function e(a){try{a.dispatchEvent(new MouseEvent("click"))}catch(c){var b=document.createEvent("MouseEvents");b.initMouseEvent("click",!0,!0,window,0,0,0,80,20,!1,!1,!1,!1,0,null),a.dispatchEvent(b)}}var f="object"==typeof window&&window.window===window?window:"object"==typeof self&&self.self===self?self:"object"==typeof global&&global.global===global?global:void 0,a=f.saveAs||("object"!=typeof window||window!==f?function(){}:"download"in HTMLAnchorElement.prototype?function(b,g,h){var i=f.URL||f.webkitURL,j=document.createElement("a");g=g||b.name||"download",j.download=g,j.rel="noopener","string"==typeof b?(j.href=b,j.origin===location.origin?e(j):d(j.href)?c(b,g,h):e(j,j.target="_blank")):(j.href=i.createObjectURL(b),setTimeout(function(){i.revokeObjectURL(j.href)},4E4),setTimeout(function(){e(j)},0))}:"msSaveOrOpenBlob"in navigator?function(f,g,h){if(g=g||f.name||"download","string"!=typeof f)navigator.msSaveOrOpenBlob(b(f,h),g);else if(d(f))c(f,g,h);else{var i=document.createElement("a");i.href=f,i.target="_blank",setTimeout(function(){e(i)})}}:function(a,b,d,e){if(e=e||open("","_blank"),e&&(e.document.title=e.document.body.innerText="downloading..."),"string"==typeof a)return c(a,b,d);var g="application/octet-stream"===a.type,h=/constructor/i.test(f.HTMLElement)||f.safari,i=/CriOS\/[\d]+/.test(navigator.userAgent);if((i||g&&h)&&"undefined"!=typeof FileReader){var j=new FileReader;j.onloadend=function(){var a=j.result;a=i?a:a.replace(/^data:[^;]*;/,"data:attachment/file;"),e?e.location.href=a:location=a,e=null},j.readAsDataURL(a)}else{var k=f.URL||f.webkitURL,l=k.createObjectURL(a);e?e.location=l:location.href=l,e=null,setTimeout(function(){k.revokeObjectURL(l)},4E4)}});f.saveAs=a.saveAs=a,"undefined"!=typeof module&&(module.exports=a)}); 
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diff --git a/library/cpp/lwtrace/mon/static/js/jquery.flot.extents.js b/library/cpp/lwtrace/mon/static/js/jquery.flot.extents.js
index c8012fde62..c17018b4f6 100644
--- a/library/cpp/lwtrace/mon/static/js/jquery.flot.extents.js
+++ b/library/cpp/lwtrace/mon/static/js/jquery.flot.extents.js
@@ -1,196 +1,196 @@
-/* 
- * Copyright 2012, Serge V. Izmaylov 
- * Released under GPL Version 2 license. 
- */ 
- 
-(function ($) { 
-    var options = { 
-        series: { 
-            extents: { 
-                show: false, 
-                lineWidth: 1, 
-                barHeight: 17, 
-                color: "rgba(192, 192, 192, 1.0)", 
-                showConnections: true, 
-                connectionColor: "rgba(0, 192, 128, 0.8)", 
-                fill: true, 
-                fillColor: "rgba(64, 192, 255, 0.5)", 
-                showLabels: true, 
-                rowHeight: 20, 
-                rows: 7, 
-                barVAlign: "top", 
-                labelHAlign: "left" 
-            } 
-        } 
-    }; 
- 
-    function processRawData(plot, series, data, datapoints) { 
-        if (!series.extents || !series.extents.show) 
-            return; 
- 
-        // Fool Flot with fake datapoints 
-        datapoints.format = [ // Fake format 
-            { x: true, number: true, required: true }, 
-            { y: true, number: true, required: true }, 
-        ]; 
-        datapoints.points = []; // Empty data 
-        datapoints.pointsize = 2; // Fake size 
- 
-        // Check if we have extents data 
-        if (series.extentdata == null) 
-            return; 
- 
-        // Process our real data 
-        var row = 0; 
-        for (i = 0; i < series.extentdata.length; i++) { 
-            // Skip bad extents 
-            if ((series.extentdata[i].start == null) || (series.extentdata[i].end == null)) 
-                continue; 
- 
-            if (series.extentdata[i].end < series.extentdata[i].start) { 
-                var t = series.extentdata[i].end; 
-                series.extentdata[i].end = series.extentdata[i].start; 
-                series.extentdata[i].start = t; 
-            } 
-            if ((series.extentdata[i].labelHAlign != "left") && (series.extentdata[i].labelHAlign != "right")) 
-                series.extentdata[i].labelHAlign = series.extents.labelHAlign; 
-            if (series.extentdata[i].row == null) { 
-                series.extentdata[i].row = row; 
-                row = (row+1) % series.extents.rows; 
-            } else { 
-                row = (series.extentdata[i].row+1) % series.extents.rows; 
-            } 
-            if (series.extentdata[i].color == null) 
-                series.extentdata[i].color = series.extents.color; 
-            if (series.extentdata[i].fillColor == null) 
-                series.extentdata[i].fillColor = series.extents.fillColor; 
-        } 
-         
-    }; 
- 
-    function drawSingleExtent(ctx, width, height, xfrom, xto, series, extent) { 
-        if (xfrom < 0) xfrom = 0; 
-        if (xto > width) xto = width; 
-        var bw = xto-xfrom; 
- 
-        var yfrom; 
-        if (series.extents.barVAlign == "top") 
-            yfrom = 4 + series.extents.rowHeight*extent.row; 
-        else 
-            yfrom = height - 4 - series.extents.rowHeight*(extent.row) - series.extents.barHeight; 
- 
-        if (series.extents.fill) { 
-            ctx.fillStyle = extent.fillColor; 
-            ctx.fillRect(xfrom, yfrom, bw, series.extents.barHeight); 
-        } 
- 
-        ctx.strokeStyle = extent.color; 
-        ctx.strokeRect(xfrom, yfrom, bw, series.extents.barHeight); 
-    } 
- 
-    function drawSingleConnection(ctx, width, height, xfrom, xto, rfrom, rto, series) { 
-        if (xfrom < 0) xfrom = 0; 
-        if (xto > width) xto = width; 
- 
-        var yfrom, yto; 
-        if (series.extents.barVAlign == "top") { 
-            yfrom = 4 + Math.round(series.extents.rowHeight*rfrom) + Math.round(series.extents.barHeight*0.5); 
-            yto = 4 + Math.round(series.extents.rowHeight*rto) + Math.round(series.extents.barHeight*0.5); 
-        } else { 
-            yfrom = height - 4 - Math.round(series.extents.rowHeight*rfrom) - Math.round(series.extents.barHeight*0.5); 
-            yto = height - 4 - Math.round(series.extents.rowHeight*rto) - Math.round(series.extents.barHeight*0.5); 
-        } 
- 
-        ctx.beginPath(); 
-        ctx.moveTo(xfrom, yfrom); 
-        ctx.lineTo(xfrom+10, yfrom); 
-        ctx.lineTo(xto-10, yto); 
-        ctx.lineTo(xto, yto); 
-        ctx.lineTo(xto-6, yto-3); 
-        ctx.lineTo(xto-6, yto+3); 
-        ctx.lineTo(xto, yto); 
-        ctx.stroke(); 
-    } 
- 
-    function addExtentLabel(placeholder, plotOffset, width, xfrom, xto, series, extent) { 
-        var styles = []; 
-        if (series.extents.barVAlign == "top") 
-            styles.push("top:"+Math.round((plotOffset.top+series.extents.rowHeight*extent.row+4))+"px"); 
-        else 
-            styles.push("bottom:"+Math.round((plotOffset.bottom+series.extents.rowHeight*extent.row+4))+"px"); 
-        if (extent.labelHAlign == "left") 
-            styles.push("left:"+Math.round((plotOffset.left+xfrom+3))+"px"); 
-        else 
-            styles.push("right:"+Math.round((plotOffset.right+(width-xto)+3))+"px"); 
-        styles.push(""); 
- 
-        placeholder.append('<div '+((extent.id !=null)?('id="'+extent.id+'" '):'')+'class="extentLabel" style="font-size:smaller;position:absolute;'+(styles.join(';'))+'">'+extent.label+'</div>'); 
-    } 
- 
-    function drawSeries(plot, ctx, series) { 
-        if (!series.extents || !series.extents.show || !series.extentdata) 
-            return; 
- 
-        var placeholder = plot.getPlaceholder(); 
-        placeholder.find(".extentLabel").remove(); 
- 
-        ctx.save(); 
- 
-        var plotOffset = plot.getPlotOffset(); 
-        var axes = plot.getAxes(); 
-        var yf = axes.yaxis.p2c(axes.yaxis.min); 
-        var yt = axes.yaxis.p2c(axes.yaxis.max); 
-        var ytop = (yf>yt)?yt:yf; 
-        var ybot = (yf>yt)?yf:yt; 
-        var width = plot.width(); 
-        var height = plot.height(); 
- 
-        ctx.translate(plotOffset.left, plotOffset.top); 
-        ctx.lineJoin = "round"; 
- 
-        for (var i = 0; i < series.extentdata.length; i++) { 
-            var xfrom, xto; 
-            if ((series.extentdata[i].start == null) || (series.extentdata[i].end == null)) 
-                continue; 
-            if ((series.extentdata[i].start < axes.xaxis.max) && (series.extentdata[i].end > axes.xaxis.min)) { 
-                xfrom = axes.xaxis.p2c((series.extentdata[i].start<axes.xaxis.min)?axes.xaxis.min:series.extentdata[i].start); 
-                xto = axes.xaxis.p2c((series.extentdata[i].end>axes.xaxis.max)?axes.xaxis.max:series.extentdata[i].end); 
-                drawSingleExtent(ctx, width, height, xfrom, xto, series, series.extentdata[i]); 
- 
-                if (series.extents.showConnections && (series.extentdata[i].start > axes.xaxis.min) && (series.extentdata[i].start < axes.xaxis.max)) 
-                    if ((series.extentdata[i].depends != null) && (series.extentdata[i].depends.length != null) && (series.extentdata[i].depends.length > 0)) 
-                        for (var j=0; j<series.extentdata[i].depends.length; j++) { 
-                            var k = series.extentdata[i].depends[j]; 
-                            if ((k < 0) || (k >= series.extentdata.length)) 
-                                continue; 
-                            if ((series.extentdata[k].start == null) || (series.extentdata[k].end == null)) 
-                                continue; 
-                            var cxto = xfrom; 
-                            var cxfrom = series.extentdata[k].end; 
-                            if (cxfrom < axes.xaxis.min) cxfrom = axes.xaxis.min; 
-                            if (cxfrom > axes.xaxis.max) cxfrom = axes.xaxis.max; 
-                            cxfrom = axes.xaxis.p2c(cxfrom); 
-                            ctx.strokeStyle = series.extents.connectionColor; 
-                            drawSingleConnection(ctx, width, height, cxfrom, cxto, series.extentdata[k].row, series.extentdata[i].row, series); 
-                        } 
- 
-                if (series.extents.showLabels && (series.extentdata[i].label != null)) 
-                    addExtentLabel(placeholder, plotOffset, width, xfrom, xto, series, series.extentdata[i]); 
-            } 
-        } 
- 
-        ctx.restore(); 
-    }; 
- 
-    function init(plot) { 
-        plot.hooks.processRawData.push(processRawData); 
-        plot.hooks.drawSeries.push(drawSeries); 
-    }; 
-     
-    $.plot.plugins.push({ 
-        init: init, 
-        name: "extents", 
-        options: options, 
-        version: "0.3" 
-    }); 
-})(jQuery); 
+/*
+ * Copyright 2012, Serge V. Izmaylov
+ * Released under GPL Version 2 license.
+ */
+
+(function ($) {
+    var options = {
+        series: {
+            extents: {
+                show: false,
+                lineWidth: 1,
+                barHeight: 17,
+                color: "rgba(192, 192, 192, 1.0)",
+                showConnections: true,
+                connectionColor: "rgba(0, 192, 128, 0.8)",
+                fill: true,
+                fillColor: "rgba(64, 192, 255, 0.5)",
+                showLabels: true,
+                rowHeight: 20,
+                rows: 7,
+                barVAlign: "top",
+                labelHAlign: "left"
+            }
+        }
+    };
+
+    function processRawData(plot, series, data, datapoints) {
+        if (!series.extents || !series.extents.show)
+            return;
+
+        // Fool Flot with fake datapoints
+        datapoints.format = [ // Fake format
+            { x: true, number: true, required: true },
+            { y: true, number: true, required: true },
+        ];
+        datapoints.points = []; // Empty data
+        datapoints.pointsize = 2; // Fake size
+
+        // Check if we have extents data
+        if (series.extentdata == null)
+            return;
+
+        // Process our real data
+        var row = 0;
+        for (i = 0; i < series.extentdata.length; i++) {
+            // Skip bad extents
+            if ((series.extentdata[i].start == null) || (series.extentdata[i].end == null))
+                continue;
+
+            if (series.extentdata[i].end < series.extentdata[i].start) {
+                var t = series.extentdata[i].end;
+                series.extentdata[i].end = series.extentdata[i].start;
+                series.extentdata[i].start = t;
+            }
+            if ((series.extentdata[i].labelHAlign != "left") && (series.extentdata[i].labelHAlign != "right"))
+                series.extentdata[i].labelHAlign = series.extents.labelHAlign;
+            if (series.extentdata[i].row == null) {
+                series.extentdata[i].row = row;
+                row = (row+1) % series.extents.rows;
+            } else {
+                row = (series.extentdata[i].row+1) % series.extents.rows;
+            }
+            if (series.extentdata[i].color == null)
+                series.extentdata[i].color = series.extents.color;
+            if (series.extentdata[i].fillColor == null)
+                series.extentdata[i].fillColor = series.extents.fillColor;
+        }
+        
+    };
+
+    function drawSingleExtent(ctx, width, height, xfrom, xto, series, extent) {
+        if (xfrom < 0) xfrom = 0;
+        if (xto > width) xto = width;
+        var bw = xto-xfrom;
+
+        var yfrom;
+        if (series.extents.barVAlign == "top")
+            yfrom = 4 + series.extents.rowHeight*extent.row;
+        else
+            yfrom = height - 4 - series.extents.rowHeight*(extent.row) - series.extents.barHeight;
+
+        if (series.extents.fill) {
+            ctx.fillStyle = extent.fillColor;
+            ctx.fillRect(xfrom, yfrom, bw, series.extents.barHeight);
+        }
+
+        ctx.strokeStyle = extent.color;
+        ctx.strokeRect(xfrom, yfrom, bw, series.extents.barHeight);
+    }
+
+    function drawSingleConnection(ctx, width, height, xfrom, xto, rfrom, rto, series) {
+        if (xfrom < 0) xfrom = 0;
+        if (xto > width) xto = width;
+
+        var yfrom, yto;
+        if (series.extents.barVAlign == "top") {
+            yfrom = 4 + Math.round(series.extents.rowHeight*rfrom) + Math.round(series.extents.barHeight*0.5);
+            yto = 4 + Math.round(series.extents.rowHeight*rto) + Math.round(series.extents.barHeight*0.5);
+        } else {
+            yfrom = height - 4 - Math.round(series.extents.rowHeight*rfrom) - Math.round(series.extents.barHeight*0.5);
+            yto = height - 4 - Math.round(series.extents.rowHeight*rto) - Math.round(series.extents.barHeight*0.5);
+        }
+
+        ctx.beginPath();
+        ctx.moveTo(xfrom, yfrom);
+        ctx.lineTo(xfrom+10, yfrom);
+        ctx.lineTo(xto-10, yto);
+        ctx.lineTo(xto, yto);
+        ctx.lineTo(xto-6, yto-3);
+        ctx.lineTo(xto-6, yto+3);
+        ctx.lineTo(xto, yto);
+        ctx.stroke();
+    }
+
+    function addExtentLabel(placeholder, plotOffset, width, xfrom, xto, series, extent) {
+        var styles = [];
+        if (series.extents.barVAlign == "top")
+            styles.push("top:"+Math.round((plotOffset.top+series.extents.rowHeight*extent.row+4))+"px");
+        else
+            styles.push("bottom:"+Math.round((plotOffset.bottom+series.extents.rowHeight*extent.row+4))+"px");
+        if (extent.labelHAlign == "left")
+            styles.push("left:"+Math.round((plotOffset.left+xfrom+3))+"px");
+        else
+            styles.push("right:"+Math.round((plotOffset.right+(width-xto)+3))+"px");
+        styles.push("");
+
+        placeholder.append('<div '+((extent.id !=null)?('id="'+extent.id+'" '):'')+'class="extentLabel" style="font-size:smaller;position:absolute;'+(styles.join(';'))+'">'+extent.label+'</div>');
+    }
+
+    function drawSeries(plot, ctx, series) {
+        if (!series.extents || !series.extents.show || !series.extentdata)
+            return;
+
+        var placeholder = plot.getPlaceholder();
+        placeholder.find(".extentLabel").remove();
+
+        ctx.save();
+
+        var plotOffset = plot.getPlotOffset();
+        var axes = plot.getAxes();
+        var yf = axes.yaxis.p2c(axes.yaxis.min);
+        var yt = axes.yaxis.p2c(axes.yaxis.max);
+        var ytop = (yf>yt)?yt:yf;
+        var ybot = (yf>yt)?yf:yt;
+        var width = plot.width();
+        var height = plot.height();
+
+        ctx.translate(plotOffset.left, plotOffset.top);
+        ctx.lineJoin = "round";
+
+        for (var i = 0; i < series.extentdata.length; i++) {
+            var xfrom, xto;
+            if ((series.extentdata[i].start == null) || (series.extentdata[i].end == null))
+                continue;
+            if ((series.extentdata[i].start < axes.xaxis.max) && (series.extentdata[i].end > axes.xaxis.min)) {
+                xfrom = axes.xaxis.p2c((series.extentdata[i].start<axes.xaxis.min)?axes.xaxis.min:series.extentdata[i].start);
+                xto = axes.xaxis.p2c((series.extentdata[i].end>axes.xaxis.max)?axes.xaxis.max:series.extentdata[i].end);
+                drawSingleExtent(ctx, width, height, xfrom, xto, series, series.extentdata[i]);
+
+                if (series.extents.showConnections && (series.extentdata[i].start > axes.xaxis.min) && (series.extentdata[i].start < axes.xaxis.max))
+                    if ((series.extentdata[i].depends != null) && (series.extentdata[i].depends.length != null) && (series.extentdata[i].depends.length > 0))
+                        for (var j=0; j<series.extentdata[i].depends.length; j++) {
+                            var k = series.extentdata[i].depends[j];
+                            if ((k < 0) || (k >= series.extentdata.length))
+                                continue;
+                            if ((series.extentdata[k].start == null) || (series.extentdata[k].end == null))
+                                continue;
+                            var cxto = xfrom;
+                            var cxfrom = series.extentdata[k].end;
+                            if (cxfrom < axes.xaxis.min) cxfrom = axes.xaxis.min;
+                            if (cxfrom > axes.xaxis.max) cxfrom = axes.xaxis.max;
+                            cxfrom = axes.xaxis.p2c(cxfrom);
+                            ctx.strokeStyle = series.extents.connectionColor;
+                            drawSingleConnection(ctx, width, height, cxfrom, cxto, series.extentdata[k].row, series.extentdata[i].row, series);
+                        }
+
+                if (series.extents.showLabels && (series.extentdata[i].label != null))
+                    addExtentLabel(placeholder, plotOffset, width, xfrom, xto, series, series.extentdata[i]);
+            }
+        }
+
+        ctx.restore();
+    };
+
+    function init(plot) {
+        plot.hooks.processRawData.push(processRawData);
+        plot.hooks.drawSeries.push(drawSeries);
+    };
+    
+    $.plot.plugins.push({
+        init: init,
+        name: "extents",
+        options: options,
+        version: "0.3"
+    });
+})(jQuery);
diff --git a/library/cpp/lwtrace/mon/static/js/jquery.flot.min.js b/library/cpp/lwtrace/mon/static/js/jquery.flot.min.js
index c39799c804..81083f1819 100644
--- a/library/cpp/lwtrace/mon/static/js/jquery.flot.min.js
+++ b/library/cpp/lwtrace/mon/static/js/jquery.flot.min.js
@@ -1,8 +1,8 @@
-/* Javascript plotting library for jQuery, version 0.8.3. 
- 
-Copyright (c) 2007-2014 IOLA and Ole Laursen. 
-Licensed under the MIT license. 
- 
-*/ 
-(function($){$.color={};$.color.make=function(r,g,b,a){var o={};o.r=r||0;o.g=g||0;o.b=b||0;o.a=a!=null?a:1;o.add=function(c,d){for(var i=0;i<c.length;++i)o[c.charAt(i)]+=d;return o.normalize()};o.scale=function(c,f){for(var i=0;i<c.length;++i)o[c.charAt(i)]*=f;return o.normalize()};o.toString=function(){if(o.a>=1){return"rgb("+[o.r,o.g,o.b].join(",")+")"}else{return"rgba("+[o.r,o.g,o.b,o.a].join(",")+")"}};o.normalize=function(){function clamp(min,value,max){return value<min?min:value>max?max:value}o.r=clamp(0,parseInt(o.r),255);o.g=clamp(0,parseInt(o.g),255);o.b=clamp(0,parseInt(o.b),255);o.a=clamp(0,o.a,1);return o};o.clone=function(){return $.color.make(o.r,o.b,o.g,o.a)};return o.normalize()};$.color.extract=function(elem,css){var c;do{c=elem.css(css).toLowerCase();if(c!=""&&c!="transparent")break;elem=elem.parent()}while(elem.length&&!$.nodeName(elem.get(0),"body"));if(c=="rgba(0, 0, 0, 0)")c="transparent";return $.color.parse(c)};$.color.parse=function(str){var res,m=$.color.make;if(res=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10));if(res=/rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10),parseFloat(res[4]));if(res=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55);if(res=/rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55,parseFloat(res[4]));if(res=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))return m(parseInt(res[1],16),parseInt(res[2],16),parseInt(res[3],16));if(res=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))return m(parseInt(res[1]+res[1],16),parseInt(res[2]+res[2],16),parseInt(res[3]+res[3],16));var name=$.trim(str).toLowerCase();if(name=="transparent")return m(255,255,255,0);else{res=lookupColors[name]||[0,0,0];return m(res[0],res[1],res[2])}};var lookupColors={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]}})(jQuery);(function($){var hasOwnProperty=Object.prototype.hasOwnProperty;if(!$.fn.detach){$.fn.detach=function(){return this.each(function(){if(this.parentNode){this.parentNode.removeChild(this)}})}}function Canvas(cls,container){var element=container.children("."+cls)[0];if(element==null){element=document.createElement("canvas");element.className=cls;$(element).css({direction:"ltr",position:"absolute",left:0,top:0}).appendTo(container);if(!element.getContext){if(window.G_vmlCanvasManager){element=window.G_vmlCanvasManager.initElement(element)}else{throw new Error("Canvas is not available. 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element=this.element,context=this.context,pixelRatio=this.pixelRatio;if(this.width!=width){element.width=width*pixelRatio;element.style.width=width+"px";this.width=width}if(this.height!=height){element.height=height*pixelRatio;element.style.height=height+"px";this.height=height}context.restore();context.save();context.scale(pixelRatio,pixelRatio)};Canvas.prototype.clear=function(){this.context.clearRect(0,0,this.width,this.height)};Canvas.prototype.render=function(){var cache=this._textCache;for(var layerKey in cache){if(hasOwnProperty.call(cache,layerKey)){var layer=this.getTextLayer(layerKey),layerCache=cache[layerKey];layer.hide();for(var styleKey in layerCache){if(hasOwnProperty.call(layerCache,styleKey)){var styleCache=layerCache[styleKey];for(var key in styleCache){if(hasOwnProperty.call(styleCache,key)){var positions=styleCache[key].positions;for(var 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"+font.family}else{textStyle=font}layerCache=this._textCache[layer];if(layerCache==null){layerCache=this._textCache[layer]={}}styleCache=layerCache[textStyle];if(styleCache==null){styleCache=layerCache[textStyle]={}}info=styleCache[text];if(info==null){var element=$("<div></div>").html(text).css({position:"absolute","max-width":width,top:-9999}).appendTo(this.getTextLayer(layer));if(typeof font==="object"){element.css({font:textStyle,color:font.color})}else if(typeof font==="string"){element.addClass(font)}info=styleCache[text]={width:element.outerWidth(true),height:element.outerHeight(true),element:element,positions:[]};element.detach()}return info};Canvas.prototype.addText=function(layer,x,y,text,font,angle,width,halign,valign){var info=this.getTextInfo(layer,text,font,angle,width),positions=info.positions;if(halign=="center"){x-=info.width/2}else if(halign=="right"){x-=info.width}if(valign=="middle"){y-=info.height/2}else if(valign=="bottom"){y-=info.height}for(var i=0,position;position=positions[i];i++){if(position.x==x&&position.y==y){position.active=true;return}}position={active:true,rendered:false,element:positions.length?info.element.clone():info.element,x:x,y:y};positions.push(position);position.element.css({top:Math.round(y),left:Math.round(x),"text-align":halign})};Canvas.prototype.removeText=function(layer,x,y,text,font,angle){if(text==null){var layerCache=this._textCache[layer];if(layerCache!=null){for(var styleKey in layerCache){if(hasOwnProperty.call(layerCache,styleKey)){var styleCache=layerCache[styleKey];for(var key in styleCache){if(hasOwnProperty.call(styleCache,key)){var positions=styleCache[key].positions;for(var i=0,position;position=positions[i];i++){position.active=false}}}}}}}else{var positions=this.getTextInfo(layer,text,font,angle).positions;for(var i=0,position;position=positions[i];i++){if(position.x==x&&position.y==y){position.active=false}}}};function Plot(placeholder,data_,options_,plugins){var series=[],options={colors:["#edc240","#afd8f8","#cb4b4b","#4da74d","#9440ed"],legend:{show:true,noColumns:1,labelFormatter:null,labelBoxBorderColor:"#ccc",container:null,position:"ne",margin:5,backgroundColor:null,backgroundOpacity:.85,sorted:null},xaxis:{show:null,position:"bottom",mode:null,font:null,color:null,tickColor:null,transform:null,inverseTransform:null,min:null,max:null,autoscaleMargin:null,ticks:null,tickFormatter:null,labelWidth:null,labelHeight:null,reserveSpace:null,tickLength:null,alignTicksWithAxis:null,tickDecimals:null,tickSize:null,minTickSize:null},yaxis:{autoscaleMargin:.02,position:"left"},xaxes:[],yaxes:[],series:{points:{show:false,radius:3,lineWidth:2,fill:true,fillColor:"#ffffff",symbol:"circle"},lines:{lineWidth:2,fill:false,fillColor:null,steps:false},bars:{show:false,lineWidth:2,barWidth:1,fill:true,fillColor:null,align:"left",horizontal:false,zero:true},shadowSize:3,highlightColor:null},grid:{show:true,aboveData:false,color:"#545454",backgroundColor:null,borderColor:null,tickColor:null,margin:0,labelMargin:5,axisMargin:8,borderWidth:2,minBorderMargin:null,markings:null,markingsColor:"#f4f4f4",markingsLineWidth:2,clickable:false,hoverable:false,autoHighlight:true,mouseActiveRadius:10},interaction:{redrawOverlayInterval:1e3/60},hooks:{}},surface=null,overlay=null,eventHolder=null,ctx=null,octx=null,xaxes=[],yaxes=[],plotOffset={left:0,right:0,top:0,bottom:0},plotWidth=0,plotHeight=0,hooks={processOptions:[],processRawData:[],processDatapoints:[],processOffset:[],drawBackground:[],drawSeries:[],draw:[],bindEvents:[],drawOverlay:[],shutdown:[]},plot=this;plot.setData=setData;plot.setupGrid=setupGrid;plot.draw=draw;plot.getPlaceholder=function(){return placeholder};plot.getCanvas=function(){return surface.element};plot.getPlotOffset=function(){return plotOffset};plot.width=function(){return plotWidth};plot.height=function(){return plotHeight};plot.offset=function(){var o=eventHolder.offset();o.left+=plotOffset.left;o.top+=plotOffset.top;return o};plot.getData=function(){return series};plot.getAxes=function(){var res={},i;$.each(xaxes.concat(yaxes),function(_,axis){if(axis)res[axis.direction+(axis.n!=1?axis.n:"")+"axis"]=axis});return res};plot.getXAxes=function(){return xaxes};plot.getYAxes=function(){return yaxes};plot.c2p=canvasToAxisCoords;plot.p2c=axisToCanvasCoords;plot.getOptions=function(){return options};plot.highlight=highlight;plot.unhighlight=unhighlight;plot.triggerRedrawOverlay=triggerRedrawOverlay;plot.pointOffset=function(point){return{left:parseInt(xaxes[axisNumber(point,"x")-1].p2c(+point.x)+plotOffset.left,10),top:parseInt(yaxes[axisNumber(point,"y")-1].p2c(+point.y)+plotOffset.top,10)}};plot.shutdown=shutdown;plot.destroy=function(){shutdown();placeholder.removeData("plot").empty();series=[];options=null;surface=null;overlay=null;eventHolder=null;ctx=null;octx=null;xaxes=[];yaxes=[];hooks=null;highlights=[];plot=null};plot.resize=function(){var width=placeholder.width(),height=placeholder.height();surface.resize(width,height);overlay.resize(width,height)};plot.hooks=hooks;initPlugins(plot);parseOptions(options_);setupCanvases();setData(data_);setupGrid();draw();bindEvents();function executeHooks(hook,args){args=[plot].concat(args);for(var i=0;i<hook.length;++i)hook[i].apply(this,args)}function initPlugins(){var classes={Canvas:Canvas};for(var i=0;i<plugins.length;++i){var p=plugins[i];p.init(plot,classes);if(p.options)$.extend(true,options,p.options)}}function parseOptions(opts){$.extend(true,options,opts);if(opts&&opts.colors){options.colors=opts.colors}if(options.xaxis.color==null)options.xaxis.color=$.color.parse(options.grid.color).scale("a",.22).toString();if(options.yaxis.color==null)options.yaxis.color=$.color.parse(options.grid.color).scale("a",.22).toString();if(options.xaxis.tickColor==null)options.xaxis.tickColor=options.grid.tickColor||options.xaxis.color;if(options.yaxis.tickColor==null)options.yaxis.tickColor=options.grid.tickColor||options.yaxis.color;if(options.grid.borderColor==null)options.grid.borderColor=options.grid.color;if(options.grid.tickColor==null)options.grid.tickColor=$.color.parse(options.grid.color).scale("a",.22).toString();var i,axisOptions,axisCount,fontSize=placeholder.css("font-size"),fontSizeDefault=fontSize?+fontSize.replace("px",""):13,fontDefaults={style:placeholder.css("font-style"),size:Math.round(.8*fontSizeDefault),variant:placeholder.css("font-variant"),weight:placeholder.css("font-weight"),family:placeholder.css("font-family")};axisCount=options.xaxes.length||1;for(i=0;i<axisCount;++i){axisOptions=options.xaxes[i];if(axisOptions&&!axisOptions.tickColor){axisOptions.tickColor=axisOptions.color}axisOptions=$.extend(true,{},options.xaxis,axisOptions);options.xaxes[i]=axisOptions;if(axisOptions.font){axisOptions.font=$.extend({},fontDefaults,axisOptions.font);if(!axisOptions.font.color){axisOptions.font.color=axisOptions.color}if(!axisOptions.font.lineHeight){axisOptions.font.lineHeight=Math.round(axisOptions.font.size*1.15)}}}axisCount=options.yaxes.length||1;for(i=0;i<axisCount;++i){axisOptions=options.yaxes[i];if(axisOptions&&!axisOptions.tickColor){axisOptions.tickColor=axisOptions.color}axisOptions=$.extend(true,{},options.yaxis,axisOptions);options.yaxes[i]=axisOptions;if(axisOptions.font){axisOptions.font=$.extend({},fontDefaults,axisOptions.font);if(!axisOptions.font.color){axisOptions.font.color=axisOptions.color}if(!axisOptions.font.lineHeight){axisOptions.font.lineHeight=Math.round(axisOptions.font.size*1.15)}}}if(options.xaxis.noTicks&&options.xaxis.ticks==null)options.xaxis.ticks=options.xaxis.noTicks;if(options.yaxis.noTicks&&options.yaxis.ticks==null)options.yaxis.ticks=options.yaxis.noTicks;if(options.x2axis){options.xaxes[1]=$.extend(true,{},options.xaxis,options.x2axis);options.xaxes[1].position="top";if(options.x2axis.min==null){options.xaxes[1].min=null}if(options.x2axis.max==null){options.xaxes[1].max=null}}if(options.y2axis){options.yaxes[1]=$.extend(true,{},options.yaxis,options.y2axis);options.yaxes[1].position="right";if(options.y2axis.min==null){options.yaxes[1].min=null}if(options.y2axis.max==null){options.yaxes[1].max=null}}if(options.grid.coloredAreas)options.grid.markings=options.grid.coloredAreas;if(options.grid.coloredAreasColor)options.grid.markingsColor=options.grid.coloredAreasColor;if(options.lines)$.extend(true,options.series.lines,options.lines);if(options.points)$.extend(true,options.series.points,options.points);if(options.bars)$.extend(true,options.series.bars,options.bars);if(options.shadowSize!=null)options.series.shadowSize=options.shadowSize;if(options.highlightColor!=null)options.series.highlightColor=options.highlightColor;for(i=0;i<options.xaxes.length;++i)getOrCreateAxis(xaxes,i+1).options=options.xaxes[i];for(i=0;i<options.yaxes.length;++i)getOrCreateAxis(yaxes,i+1).options=options.yaxes[i];for(var n in hooks)if(options.hooks[n]&&options.hooks[n].length)hooks[n]=hooks[n].concat(options.hooks[n]);executeHooks(hooks.processOptions,[options])}function setData(d){series=parseData(d);fillInSeriesOptions();processData()}function parseData(d){var res=[];for(var i=0;i<d.length;++i){var s=$.extend(true,{},options.series);if(d[i].data!=null){s.data=d[i].data;delete d[i].data;$.extend(true,s,d[i]);d[i].data=s.data}else s.data=d[i];res.push(s)}return res}function axisNumber(obj,coord){var a=obj[coord+"axis"];if(typeof a=="object")a=a.n;if(typeof a!="number")a=1;return a}function allAxes(){return $.grep(xaxes.concat(yaxes),function(a){return a})}function canvasToAxisCoords(pos){var res={},i,axis;for(i=0;i<xaxes.length;++i){axis=xaxes[i];if(axis&&axis.used)res["x"+axis.n]=axis.c2p(pos.left)}for(i=0;i<yaxes.length;++i){axis=yaxes[i];if(axis&&axis.used)res["y"+axis.n]=axis.c2p(pos.top)}if(res.x1!==undefined)res.x=res.x1;if(res.y1!==undefined)res.y=res.y1;return res}function axisToCanvasCoords(pos){var res={},i,axis,key;for(i=0;i<xaxes.length;++i){axis=xaxes[i];if(axis&&axis.used){key="x"+axis.n;if(pos[key]==null&&axis.n==1)key="x";if(pos[key]!=null){res.left=axis.p2c(pos[key]);break}}}for(i=0;i<yaxes.length;++i){axis=yaxes[i];if(axis&&axis.used){key="y"+axis.n;if(pos[key]==null&&axis.n==1)key="y";if(pos[key]!=null){res.top=axis.p2c(pos[key]);break}}}return res}function getOrCreateAxis(axes,number){if(!axes[number-1])axes[number-1]={n:number,direction:axes==xaxes?"x":"y",options:$.extend(true,{},axes==xaxes?options.xaxis:options.yaxis)};return axes[number-1]}function fillInSeriesOptions(){var neededColors=series.length,maxIndex=-1,i;for(i=0;i<series.length;++i){var sc=series[i].color;if(sc!=null){neededColors--;if(typeof sc=="number"&&sc>maxIndex){maxIndex=sc}}}if(neededColors<=maxIndex){neededColors=maxIndex+1}var c,colors=[],colorPool=options.colors,colorPoolSize=colorPool.length,variation=0;for(i=0;i<neededColors;i++){c=$.color.parse(colorPool[i%colorPoolSize]||"#666");if(i%colorPoolSize==0&&i){if(variation>=0){if(variation<.5){variation=-variation-.2}else variation=0}else variation=-variation}colors[i]=c.scale("rgb",1+variation)}var colori=0,s;for(i=0;i<series.length;++i){s=series[i];if(s.color==null){s.color=colors[colori].toString();++colori}else if(typeof s.color=="number")s.color=colors[s.color].toString();if(s.lines.show==null){var v,show=true;for(v in s)if(s[v]&&s[v].show){show=false;break}if(show)s.lines.show=true}if(s.lines.zero==null){s.lines.zero=!!s.lines.fill}s.xaxis=getOrCreateAxis(xaxes,axisNumber(s,"x"));s.yaxis=getOrCreateAxis(yaxes,axisNumber(s,"y"))}}function processData(){var topSentry=Number.POSITIVE_INFINITY,bottomSentry=Number.NEGATIVE_INFINITY,fakeInfinity=Number.MAX_VALUE,i,j,k,m,length,s,points,ps,x,y,axis,val,f,p,data,format;function updateAxis(axis,min,max){if(min<axis.datamin&&min!=-fakeInfinity)axis.datamin=min;if(max>axis.datamax&&max!=fakeInfinity)axis.datamax=max}$.each(allAxes(),function(_,axis){axis.datamin=topSentry;axis.datamax=bottomSentry;axis.used=false});for(i=0;i<series.length;++i){s=series[i];s.datapoints={points:[]};executeHooks(hooks.processRawData,[s,s.data,s.datapoints])}for(i=0;i<series.length;++i){s=series[i];data=s.data;format=s.datapoints.format;if(!format){format=[];format.push({x:true,number:true,required:true});format.push({y:true,number:true,required:true});if(s.bars.show||s.lines.show&&s.lines.fill){var autoscale=!!(s.bars.show&&s.bars.zero||s.lines.show&&s.lines.zero);format.push({y:true,number:true,required:false,defaultValue:0,autoscale:autoscale});if(s.bars.horizontal){delete format[format.length-1].y;format[format.length-1].x=true}}s.datapoints.format=format}if(s.datapoints.pointsize!=null)continue;s.datapoints.pointsize=format.length;ps=s.datapoints.pointsize;points=s.datapoints.points;var insertSteps=s.lines.show&&s.lines.steps;s.xaxis.used=s.yaxis.used=true;for(j=k=0;j<data.length;++j,k+=ps){p=data[j];var nullify=p==null;if(!nullify){for(m=0;m<ps;++m){val=p[m];f=format[m];if(f){if(f.number&&val!=null){val=+val;if(isNaN(val))val=null;else if(val==Infinity)val=fakeInfinity;else if(val==-Infinity)val=-fakeInfinity}if(val==null){if(f.required)nullify=true;if(f.defaultValue!=null)val=f.defaultValue}}points[k+m]=val}}if(nullify){for(m=0;m<ps;++m){val=points[k+m];if(val!=null){f=format[m];if(f.autoscale!==false){if(f.x){updateAxis(s.xaxis,val,val)}if(f.y){updateAxis(s.yaxis,val,val)}}}points[k+m]=null}}else{if(insertSteps&&k>0&&points[k-ps]!=null&&points[k-ps]!=points[k]&&points[k-ps+1]!=points[k+1]){for(m=0;m<ps;++m)points[k+ps+m]=points[k+m];points[k+1]=points[k-ps+1];k+=ps}}}}for(i=0;i<series.length;++i){s=series[i];executeHooks(hooks.processDatapoints,[s,s.datapoints])}for(i=0;i<series.length;++i){s=series[i];points=s.datapoints.points;ps=s.datapoints.pointsize;format=s.datapoints.format;var xmin=topSentry,ymin=topSentry,xmax=bottomSentry,ymax=bottomSentry;for(j=0;j<points.length;j+=ps){if(points[j]==null)continue;for(m=0;m<ps;++m){val=points[j+m];f=format[m];if(!f||f.autoscale===false||val==fakeInfinity||val==-fakeInfinity)continue;if(f.x){if(val<xmin)xmin=val;if(val>xmax)xmax=val}if(f.y){if(val<ymin)ymin=val;if(val>ymax)ymax=val}}}if(s.bars.show){var delta;switch(s.bars.align){case"left":delta=0;break;case"right":delta=-s.bars.barWidth;break;default:delta=-s.bars.barWidth/2}if(s.bars.horizontal){ymin+=delta;ymax+=delta+s.bars.barWidth}else{xmin+=delta;xmax+=delta+s.bars.barWidth}}updateAxis(s.xaxis,xmin,xmax);updateAxis(s.yaxis,ymin,ymax)}$.each(allAxes(),function(_,axis){if(axis.datamin==topSentry)axis.datamin=null;if(axis.datamax==bottomSentry)axis.datamax=null})}function setupCanvases(){placeholder.css("padding",0).children().filter(function(){return!$(this).hasClass("flot-overlay")&&!$(this).hasClass("flot-base")}).remove();if(placeholder.css("position")=="static")placeholder.css("position","relative");surface=new Canvas("flot-base",placeholder);overlay=new Canvas("flot-overlay",placeholder);ctx=surface.context;octx=overlay.context;eventHolder=$(overlay.element).unbind();var existing=placeholder.data("plot");if(existing){existing.shutdown();overlay.clear()}placeholder.data("plot",plot)}function bindEvents(){if(options.grid.hoverable){eventHolder.mousemove(onMouseMove);eventHolder.bind("mouseleave",onMouseLeave)}if(options.grid.clickable)eventHolder.click(onClick);executeHooks(hooks.bindEvents,[eventHolder])}function shutdown(){if(redrawTimeout)clearTimeout(redrawTimeout);eventHolder.unbind("mousemove",onMouseMove);eventHolder.unbind("mouseleave",onMouseLeave);eventHolder.unbind("click",onClick);executeHooks(hooks.shutdown,[eventHolder])}function setTransformationHelpers(axis){function identity(x){return x}var s,m,t=axis.options.transform||identity,it=axis.options.inverseTransform;if(axis.direction=="x"){s=axis.scale=plotWidth/Math.abs(t(axis.max)-t(axis.min));m=Math.min(t(axis.max),t(axis.min))}else{s=axis.scale=plotHeight/Math.abs(t(axis.max)-t(axis.min));s=-s;m=Math.max(t(axis.max),t(axis.min))}if(t==identity)axis.p2c=function(p){return(p-m)*s};else axis.p2c=function(p){return(t(p)-m)*s};if(!it)axis.c2p=function(c){return m+c/s};else axis.c2p=function(c){return it(m+c/s)}}function measureTickLabels(axis){var opts=axis.options,ticks=axis.ticks||[],labelWidth=opts.labelWidth||0,labelHeight=opts.labelHeight||0,maxWidth=labelWidth||(axis.direction=="x"?Math.floor(surface.width/(ticks.length||1)):null),legacyStyles=axis.direction+"Axis "+axis.direction+axis.n+"Axis",layer="flot-"+axis.direction+"-axis flot-"+axis.direction+axis.n+"-axis "+legacyStyles,font=opts.font||"flot-tick-label tickLabel";for(var i=0;i<ticks.length;++i){var t=ticks[i];if(!t.label)continue;var info=surface.getTextInfo(layer,t.label,font,null,maxWidth);labelWidth=Math.max(labelWidth,info.width);labelHeight=Math.max(labelHeight,info.height)}axis.labelWidth=opts.labelWidth||labelWidth;axis.labelHeight=opts.labelHeight||labelHeight}function allocateAxisBoxFirstPhase(axis){var lw=axis.labelWidth,lh=axis.labelHeight,pos=axis.options.position,isXAxis=axis.direction==="x",tickLength=axis.options.tickLength,axisMargin=options.grid.axisMargin,padding=options.grid.labelMargin,innermost=true,outermost=true,first=true,found=false;$.each(isXAxis?xaxes:yaxes,function(i,a){if(a&&(a.show||a.reserveSpace)){if(a===axis){found=true}else if(a.options.position===pos){if(found){outermost=false}else{innermost=false}}if(!found){first=false}}});if(outermost){axisMargin=0}if(tickLength==null){tickLength=first?"full":5}if(!isNaN(+tickLength))padding+=+tickLength;if(isXAxis){lh+=padding;if(pos=="bottom"){plotOffset.bottom+=lh+axisMargin;axis.box={top:surface.height-plotOffset.bottom,height:lh}}else{axis.box={top:plotOffset.top+axisMargin,height:lh};plotOffset.top+=lh+axisMargin}}else{lw+=padding;if(pos=="left"){axis.box={left:plotOffset.left+axisMargin,width:lw};plotOffset.left+=lw+axisMargin}else{plotOffset.right+=lw+axisMargin;axis.box={left:surface.width-plotOffset.right,width:lw}}}axis.position=pos;axis.tickLength=tickLength;axis.box.padding=padding;axis.innermost=innermost}function allocateAxisBoxSecondPhase(axis){if(axis.direction=="x"){axis.box.left=plotOffset.left-axis.labelWidth/2;axis.box.width=surface.width-plotOffset.left-plotOffset.right+axis.labelWidth}else{axis.box.top=plotOffset.top-axis.labelHeight/2;axis.box.height=surface.height-plotOffset.bottom-plotOffset.top+axis.labelHeight}}function adjustLayoutForThingsStickingOut(){var minMargin=options.grid.minBorderMargin,axis,i;if(minMargin==null){minMargin=0;for(i=0;i<series.length;++i)minMargin=Math.max(minMargin,2*(series[i].points.radius+series[i].points.lineWidth/2))}var margins={left:minMargin,right:minMargin,top:minMargin,bottom:minMargin};$.each(allAxes(),function(_,axis){if(axis.reserveSpace&&axis.ticks&&axis.ticks.length){if(axis.direction==="x"){margins.left=Math.max(margins.left,axis.labelWidth/2);margins.right=Math.max(margins.right,axis.labelWidth/2)}else{margins.bottom=Math.max(margins.bottom,axis.labelHeight/2);margins.top=Math.max(margins.top,axis.labelHeight/2)}}});plotOffset.left=Math.ceil(Math.max(margins.left,plotOffset.left));plotOffset.right=Math.ceil(Math.max(margins.right,plotOffset.right));plotOffset.top=Math.ceil(Math.max(margins.top,plotOffset.top));plotOffset.bottom=Math.ceil(Math.max(margins.bottom,plotOffset.bottom))}function setupGrid(){var i,axes=allAxes(),showGrid=options.grid.show;for(var a in plotOffset){var margin=options.grid.margin||0;plotOffset[a]=typeof margin=="number"?margin:margin[a]||0}executeHooks(hooks.processOffset,[plotOffset]);for(var a in plotOffset){if(typeof options.grid.borderWidth=="object"){plotOffset[a]+=showGrid?options.grid.borderWidth[a]:0}else{plotOffset[a]+=showGrid?options.grid.borderWidth:0}}$.each(axes,function(_,axis){var axisOpts=axis.options;axis.show=axisOpts.show==null?axis.used:axisOpts.show;axis.reserveSpace=axisOpts.reserveSpace==null?axis.show:axisOpts.reserveSpace;setRange(axis)});if(showGrid){var allocatedAxes=$.grep(axes,function(axis){return axis.show||axis.reserveSpace});$.each(allocatedAxes,function(_,axis){setupTickGeneration(axis);setTicks(axis);snapRangeToTicks(axis,axis.ticks);measureTickLabels(axis)});for(i=allocatedAxes.length-1;i>=0;--i)allocateAxisBoxFirstPhase(allocatedAxes[i]);adjustLayoutForThingsStickingOut();$.each(allocatedAxes,function(_,axis){allocateAxisBoxSecondPhase(axis)})}plotWidth=surface.width-plotOffset.left-plotOffset.right;plotHeight=surface.height-plotOffset.bottom-plotOffset.top;$.each(axes,function(_,axis){setTransformationHelpers(axis)});if(showGrid){drawAxisLabels()}insertLegend()}function setRange(axis){var opts=axis.options,min=+(opts.min!=null?opts.min:axis.datamin),max=+(opts.max!=null?opts.max:axis.datamax),delta=max-min;if(delta==0){var widen=max==0?1:.01;if(opts.min==null)min-=widen;if(opts.max==null||opts.min!=null)max+=widen}else{var margin=opts.autoscaleMargin;if(margin!=null){if(opts.min==null){min-=delta*margin;if(min<0&&axis.datamin!=null&&axis.datamin>=0)min=0}if(opts.max==null){max+=delta*margin;if(max>0&&axis.datamax!=null&&axis.datamax<=0)max=0}}}axis.min=min;axis.max=max}function setupTickGeneration(axis){var opts=axis.options;var noTicks;if(typeof opts.ticks=="number"&&opts.ticks>0)noTicks=opts.ticks;else noTicks=.3*Math.sqrt(axis.direction=="x"?surface.width:surface.height);var delta=(axis.max-axis.min)/noTicks,dec=-Math.floor(Math.log(delta)/Math.LN10),maxDec=opts.tickDecimals;if(maxDec!=null&&dec>maxDec){dec=maxDec}var magn=Math.pow(10,-dec),norm=delta/magn,size;if(norm<1.5){size=1}else if(norm<3){size=2;if(norm>2.25&&(maxDec==null||dec+1<=maxDec)){size=2.5;++dec}}else if(norm<7.5){size=5}else{size=10}size*=magn;if(opts.minTickSize!=null&&size<opts.minTickSize){size=opts.minTickSize}axis.delta=delta;axis.tickDecimals=Math.max(0,maxDec!=null?maxDec:dec);axis.tickSize=opts.tickSize||size;if(opts.mode=="time"&&!axis.tickGenerator){throw new Error("Time mode requires the flot.time plugin.")}if(!axis.tickGenerator){axis.tickGenerator=function(axis){var ticks=[],start=floorInBase(axis.min,axis.tickSize),i=0,v=Number.NaN,prev;do{prev=v;v=start+i*axis.tickSize;ticks.push(v);++i}while(v<axis.max&&v!=prev);return ticks};axis.tickFormatter=function(value,axis){var factor=axis.tickDecimals?Math.pow(10,axis.tickDecimals):1;var formatted=""+Math.round(value*factor)/factor;if(axis.tickDecimals!=null){var decimal=formatted.indexOf(".");var precision=decimal==-1?0:formatted.length-decimal-1;if(precision<axis.tickDecimals){return(precision?formatted:formatted+".")+(""+factor).substr(1,axis.tickDecimals-precision)}}return formatted}}if($.isFunction(opts.tickFormatter))axis.tickFormatter=function(v,axis){return""+opts.tickFormatter(v,axis)};if(opts.alignTicksWithAxis!=null){var otherAxis=(axis.direction=="x"?xaxes:yaxes)[opts.alignTicksWithAxis-1];if(otherAxis&&otherAxis.used&&otherAxis!=axis){var niceTicks=axis.tickGenerator(axis);if(niceTicks.length>0){if(opts.min==null)axis.min=Math.min(axis.min,niceTicks[0]);if(opts.max==null&&niceTicks.length>1)axis.max=Math.max(axis.max,niceTicks[niceTicks.length-1])}axis.tickGenerator=function(axis){var ticks=[],v,i;for(i=0;i<otherAxis.ticks.length;++i){v=(otherAxis.ticks[i].v-otherAxis.min)/(otherAxis.max-otherAxis.min);v=axis.min+v*(axis.max-axis.min);ticks.push(v)}return ticks};if(!axis.mode&&opts.tickDecimals==null){var extraDec=Math.max(0,-Math.floor(Math.log(axis.delta)/Math.LN10)+1),ts=axis.tickGenerator(axis);if(!(ts.length>1&&/\..*0$/.test((ts[1]-ts[0]).toFixed(extraDec))))axis.tickDecimals=extraDec}}}}function setTicks(axis){var oticks=axis.options.ticks,ticks=[];if(oticks==null||typeof oticks=="number"&&oticks>0)ticks=axis.tickGenerator(axis);else if(oticks){if($.isFunction(oticks))ticks=oticks(axis);else ticks=oticks}var i,v;axis.ticks=[];for(i=0;i<ticks.length;++i){var label=null;var t=ticks[i];if(typeof t=="object"){v=+t[0];if(t.length>1)label=t[1]}else v=+t;if(label==null)label=axis.tickFormatter(v,axis);if(!isNaN(v))axis.ticks.push({v:v,label:label})}}function snapRangeToTicks(axis,ticks){if(axis.options.autoscaleMargin&&ticks.length>0){if(axis.options.min==null)axis.min=Math.min(axis.min,ticks[0].v);if(axis.options.max==null&&ticks.length>1)axis.max=Math.max(axis.max,ticks[ticks.length-1].v)}}function draw(){surface.clear();executeHooks(hooks.drawBackground,[ctx]);var grid=options.grid;if(grid.show&&grid.backgroundColor)drawBackground();if(grid.show&&!grid.aboveData){drawGrid()}for(var i=0;i<series.length;++i){executeHooks(hooks.drawSeries,[ctx,series[i]]);drawSeries(series[i])}executeHooks(hooks.draw,[ctx]);if(grid.show&&grid.aboveData){drawGrid()}surface.render();triggerRedrawOverlay()}function extractRange(ranges,coord){var axis,from,to,key,axes=allAxes();for(var i=0;i<axes.length;++i){axis=axes[i];if(axis.direction==coord){key=coord+axis.n+"axis";if(!ranges[key]&&axis.n==1)key=coord+"axis";if(ranges[key]){from=ranges[key].from;to=ranges[key].to;break}}}if(!ranges[key]){axis=coord=="x"?xaxes[0]:yaxes[0];from=ranges[coord+"1"];to=ranges[coord+"2"]}if(from!=null&&to!=null&&from>to){var tmp=from;from=to;to=tmp}return{from:from,to:to,axis:axis}}function drawBackground(){ctx.save();ctx.translate(plotOffset.left,plotOffset.top);ctx.fillStyle=getColorOrGradient(options.grid.backgroundColor,plotHeight,0,"rgba(255, 255, 255, 0)");ctx.fillRect(0,0,plotWidth,plotHeight);ctx.restore()}function drawGrid(){var i,axes,bw,bc;ctx.save();ctx.translate(plotOffset.left,plotOffset.top);var markings=options.grid.markings;if(markings){if($.isFunction(markings)){axes=plot.getAxes();axes.xmin=axes.xaxis.min;axes.xmax=axes.xaxis.max;axes.ymin=axes.yaxis.min;axes.ymax=axes.yaxis.max;markings=markings(axes)}for(i=0;i<markings.length;++i){var m=markings[i],xrange=extractRange(m,"x"),yrange=extractRange(m,"y");if(xrange.from==null)xrange.from=xrange.axis.min;if(xrange.to==null)xrange.to=xrange.axis.max; 
-if(yrange.from==null)yrange.from=yrange.axis.min;if(yrange.to==null)yrange.to=yrange.axis.max;if(xrange.to<xrange.axis.min||xrange.from>xrange.axis.max||yrange.to<yrange.axis.min||yrange.from>yrange.axis.max)continue;xrange.from=Math.max(xrange.from,xrange.axis.min);xrange.to=Math.min(xrange.to,xrange.axis.max);yrange.from=Math.max(yrange.from,yrange.axis.min);yrange.to=Math.min(yrange.to,yrange.axis.max);var xequal=xrange.from===xrange.to,yequal=yrange.from===yrange.to;if(xequal&&yequal){continue}xrange.from=Math.floor(xrange.axis.p2c(xrange.from));xrange.to=Math.floor(xrange.axis.p2c(xrange.to));yrange.from=Math.floor(yrange.axis.p2c(yrange.from));yrange.to=Math.floor(yrange.axis.p2c(yrange.to));if(xequal||yequal){var lineWidth=m.lineWidth||options.grid.markingsLineWidth,subPixel=lineWidth%2?.5:0;ctx.beginPath();ctx.strokeStyle=m.color||options.grid.markingsColor;ctx.lineWidth=lineWidth;if(xequal){ctx.moveTo(xrange.to+subPixel,yrange.from);ctx.lineTo(xrange.to+subPixel,yrange.to)}else{ctx.moveTo(xrange.from,yrange.to+subPixel);ctx.lineTo(xrange.to,yrange.to+subPixel)}ctx.stroke()}else{ctx.fillStyle=m.color||options.grid.markingsColor;ctx.fillRect(xrange.from,yrange.to,xrange.to-xrange.from,yrange.from-yrange.to)}}}axes=allAxes();bw=options.grid.borderWidth;for(var j=0;j<axes.length;++j){var axis=axes[j],box=axis.box,t=axis.tickLength,x,y,xoff,yoff;if(!axis.show||axis.ticks.length==0)continue;ctx.lineWidth=1;if(axis.direction=="x"){x=0;if(t=="full")y=axis.position=="top"?0:plotHeight;else y=box.top-plotOffset.top+(axis.position=="top"?box.height:0)}else{y=0;if(t=="full")x=axis.position=="left"?0:plotWidth;else x=box.left-plotOffset.left+(axis.position=="left"?box.width:0)}if(!axis.innermost){ctx.strokeStyle=axis.options.color;ctx.beginPath();xoff=yoff=0;if(axis.direction=="x")xoff=plotWidth+1;else yoff=plotHeight+1;if(ctx.lineWidth==1){if(axis.direction=="x"){y=Math.floor(y)+.5}else{x=Math.floor(x)+.5}}ctx.moveTo(x,y);ctx.lineTo(x+xoff,y+yoff);ctx.stroke()}ctx.strokeStyle=axis.options.tickColor;ctx.beginPath();for(i=0;i<axis.ticks.length;++i){var v=axis.ticks[i].v;xoff=yoff=0;if(isNaN(v)||v<axis.min||v>axis.max||t=="full"&&(typeof bw=="object"&&bw[axis.position]>0||bw>0)&&(v==axis.min||v==axis.max))continue;if(axis.direction=="x"){x=axis.p2c(v);yoff=t=="full"?-plotHeight:t;if(axis.position=="top")yoff=-yoff}else{y=axis.p2c(v);xoff=t=="full"?-plotWidth:t;if(axis.position=="left")xoff=-xoff}if(ctx.lineWidth==1){if(axis.direction=="x")x=Math.floor(x)+.5;else y=Math.floor(y)+.5}ctx.moveTo(x,y);ctx.lineTo(x+xoff,y+yoff)}ctx.stroke()}if(bw){bc=options.grid.borderColor;if(typeof bw=="object"||typeof bc=="object"){if(typeof bw!=="object"){bw={top:bw,right:bw,bottom:bw,left:bw}}if(typeof bc!=="object"){bc={top:bc,right:bc,bottom:bc,left:bc}}if(bw.top>0){ctx.strokeStyle=bc.top;ctx.lineWidth=bw.top;ctx.beginPath();ctx.moveTo(0-bw.left,0-bw.top/2);ctx.lineTo(plotWidth,0-bw.top/2);ctx.stroke()}if(bw.right>0){ctx.strokeStyle=bc.right;ctx.lineWidth=bw.right;ctx.beginPath();ctx.moveTo(plotWidth+bw.right/2,0-bw.top);ctx.lineTo(plotWidth+bw.right/2,plotHeight);ctx.stroke()}if(bw.bottom>0){ctx.strokeStyle=bc.bottom;ctx.lineWidth=bw.bottom;ctx.beginPath();ctx.moveTo(plotWidth+bw.right,plotHeight+bw.bottom/2);ctx.lineTo(0,plotHeight+bw.bottom/2);ctx.stroke()}if(bw.left>0){ctx.strokeStyle=bc.left;ctx.lineWidth=bw.left;ctx.beginPath();ctx.moveTo(0-bw.left/2,plotHeight+bw.bottom);ctx.lineTo(0-bw.left/2,0);ctx.stroke()}}else{ctx.lineWidth=bw;ctx.strokeStyle=options.grid.borderColor;ctx.strokeRect(-bw/2,-bw/2,plotWidth+bw,plotHeight+bw)}}ctx.restore()}function drawAxisLabels(){$.each(allAxes(),function(_,axis){var box=axis.box,legacyStyles=axis.direction+"Axis "+axis.direction+axis.n+"Axis",layer="flot-"+axis.direction+"-axis flot-"+axis.direction+axis.n+"-axis "+legacyStyles,font=axis.options.font||"flot-tick-label tickLabel",tick,x,y,halign,valign;surface.removeText(layer);if(!axis.show||axis.ticks.length==0)return;for(var i=0;i<axis.ticks.length;++i){tick=axis.ticks[i];if(!tick.label||tick.v<axis.min||tick.v>axis.max)continue;if(axis.direction=="x"){halign="center";x=plotOffset.left+axis.p2c(tick.v);if(axis.position=="bottom"){y=box.top+box.padding}else{y=box.top+box.height-box.padding;valign="bottom"}}else{valign="middle";y=plotOffset.top+axis.p2c(tick.v);if(axis.position=="left"){x=box.left+box.width-box.padding;halign="right"}else{x=box.left+box.padding}}surface.addText(layer,x,y,tick.label,font,null,null,halign,valign)}})}function drawSeries(series){if(series.lines.show)drawSeriesLines(series);if(series.bars.show)drawSeriesBars(series);if(series.points.show)drawSeriesPoints(series)}function drawSeriesLines(series){function plotLine(datapoints,xoffset,yoffset,axisx,axisy){var points=datapoints.points,ps=datapoints.pointsize,prevx=null,prevy=null;ctx.beginPath();for(var i=ps;i<points.length;i+=ps){var x1=points[i-ps],y1=points[i-ps+1],x2=points[i],y2=points[i+1];if(x1==null||x2==null)continue;if(y1<=y2&&y1<axisy.min){if(y2<axisy.min)continue;x1=(axisy.min-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.min}else if(y2<=y1&&y2<axisy.min){if(y1<axisy.min)continue;x2=(axisy.min-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.min}if(y1>=y2&&y1>axisy.max){if(y2>axisy.max)continue;x1=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.max}else if(y2>=y1&&y2>axisy.max){if(y1>axisy.max)continue;x2=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.max}if(x1<=x2&&x1<axisx.min){if(x2<axisx.min)continue;y1=(axisx.min-x1)/(x2-x1)*(y2-y1)+y1;x1=axisx.min}else if(x2<=x1&&x2<axisx.min){if(x1<axisx.min)continue;y2=(axisx.min-x1)/(x2-x1)*(y2-y1)+y1;x2=axisx.min}if(x1>=x2&&x1>axisx.max){if(x2>axisx.max)continue;y1=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x1=axisx.max}else if(x2>=x1&&x2>axisx.max){if(x1>axisx.max)continue;y2=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x2=axisx.max}if(x1!=prevx||y1!=prevy)ctx.moveTo(axisx.p2c(x1)+xoffset,axisy.p2c(y1)+yoffset);prevx=x2;prevy=y2;ctx.lineTo(axisx.p2c(x2)+xoffset,axisy.p2c(y2)+yoffset)}ctx.stroke()}function plotLineArea(datapoints,axisx,axisy){var points=datapoints.points,ps=datapoints.pointsize,bottom=Math.min(Math.max(0,axisy.min),axisy.max),i=0,top,areaOpen=false,ypos=1,segmentStart=0,segmentEnd=0;while(true){if(ps>0&&i>points.length+ps)break;i+=ps;var x1=points[i-ps],y1=points[i-ps+ypos],x2=points[i],y2=points[i+ypos];if(areaOpen){if(ps>0&&x1!=null&&x2==null){segmentEnd=i;ps=-ps;ypos=2;continue}if(ps<0&&i==segmentStart+ps){ctx.fill();areaOpen=false;ps=-ps;ypos=1;i=segmentStart=segmentEnd+ps;continue}}if(x1==null||x2==null)continue;if(x1<=x2&&x1<axisx.min){if(x2<axisx.min)continue;y1=(axisx.min-x1)/(x2-x1)*(y2-y1)+y1;x1=axisx.min}else if(x2<=x1&&x2<axisx.min){if(x1<axisx.min)continue;y2=(axisx.min-x1)/(x2-x1)*(y2-y1)+y1;x2=axisx.min}if(x1>=x2&&x1>axisx.max){if(x2>axisx.max)continue;y1=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x1=axisx.max}else if(x2>=x1&&x2>axisx.max){if(x1>axisx.max)continue;y2=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x2=axisx.max}if(!areaOpen){ctx.beginPath();ctx.moveTo(axisx.p2c(x1),axisy.p2c(bottom));areaOpen=true}if(y1>=axisy.max&&y2>=axisy.max){ctx.lineTo(axisx.p2c(x1),axisy.p2c(axisy.max));ctx.lineTo(axisx.p2c(x2),axisy.p2c(axisy.max));continue}else if(y1<=axisy.min&&y2<=axisy.min){ctx.lineTo(axisx.p2c(x1),axisy.p2c(axisy.min));ctx.lineTo(axisx.p2c(x2),axisy.p2c(axisy.min));continue}var x1old=x1,x2old=x2;if(y1<=y2&&y1<axisy.min&&y2>=axisy.min){x1=(axisy.min-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.min}else if(y2<=y1&&y2<axisy.min&&y1>=axisy.min){x2=(axisy.min-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.min}if(y1>=y2&&y1>axisy.max&&y2<=axisy.max){x1=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.max}else if(y2>=y1&&y2>axisy.max&&y1<=axisy.max){x2=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.max}if(x1!=x1old){ctx.lineTo(axisx.p2c(x1old),axisy.p2c(y1))}ctx.lineTo(axisx.p2c(x1),axisy.p2c(y1));ctx.lineTo(axisx.p2c(x2),axisy.p2c(y2));if(x2!=x2old){ctx.lineTo(axisx.p2c(x2),axisy.p2c(y2));ctx.lineTo(axisx.p2c(x2old),axisy.p2c(y2))}}}ctx.save();ctx.translate(plotOffset.left,plotOffset.top);ctx.lineJoin="round";var lw=series.lines.lineWidth,sw=series.shadowSize;if(lw>0&&sw>0){ctx.lineWidth=sw;ctx.strokeStyle="rgba(0,0,0,0.1)";var angle=Math.PI/18;plotLine(series.datapoints,Math.sin(angle)*(lw/2+sw/2),Math.cos(angle)*(lw/2+sw/2),series.xaxis,series.yaxis);ctx.lineWidth=sw/2;plotLine(series.datapoints,Math.sin(angle)*(lw/2+sw/4),Math.cos(angle)*(lw/2+sw/4),series.xaxis,series.yaxis)}ctx.lineWidth=lw;ctx.strokeStyle=series.color;var fillStyle=getFillStyle(series.lines,series.color,0,plotHeight);if(fillStyle){ctx.fillStyle=fillStyle;plotLineArea(series.datapoints,series.xaxis,series.yaxis)}if(lw>0)plotLine(series.datapoints,0,0,series.xaxis,series.yaxis);ctx.restore()}function drawSeriesPoints(series){function plotPoints(datapoints,radius,fillStyle,offset,shadow,axisx,axisy,symbol){var points=datapoints.points,ps=datapoints.pointsize;for(var i=0;i<points.length;i+=ps){var x=points[i],y=points[i+1];if(x==null||x<axisx.min||x>axisx.max||y<axisy.min||y>axisy.max)continue;ctx.beginPath();x=axisx.p2c(x);y=axisy.p2c(y)+offset;if(symbol=="circle")ctx.arc(x,y,radius,0,shadow?Math.PI:Math.PI*2,false);else symbol(ctx,x,y,radius,shadow);ctx.closePath();if(fillStyle){ctx.fillStyle=fillStyle;ctx.fill()}ctx.stroke()}}ctx.save();ctx.translate(plotOffset.left,plotOffset.top);var lw=series.points.lineWidth,sw=series.shadowSize,radius=series.points.radius,symbol=series.points.symbol;if(lw==0)lw=1e-4;if(lw>0&&sw>0){var w=sw/2;ctx.lineWidth=w;ctx.strokeStyle="rgba(0,0,0,0.1)";plotPoints(series.datapoints,radius,null,w+w/2,true,series.xaxis,series.yaxis,symbol);ctx.strokeStyle="rgba(0,0,0,0.2)";plotPoints(series.datapoints,radius,null,w/2,true,series.xaxis,series.yaxis,symbol)}ctx.lineWidth=lw;ctx.strokeStyle=series.color;plotPoints(series.datapoints,radius,getFillStyle(series.points,series.color),0,false,series.xaxis,series.yaxis,symbol);ctx.restore()}function drawBar(x,y,b,barLeft,barRight,fillStyleCallback,axisx,axisy,c,horizontal,lineWidth){var left,right,bottom,top,drawLeft,drawRight,drawTop,drawBottom,tmp;if(horizontal){drawBottom=drawRight=drawTop=true;drawLeft=false;left=b;right=x;top=y+barLeft;bottom=y+barRight;if(right<left){tmp=right;right=left;left=tmp;drawLeft=true;drawRight=false}}else{drawLeft=drawRight=drawTop=true;drawBottom=false;left=x+barLeft;right=x+barRight;bottom=b;top=y;if(top<bottom){tmp=top;top=bottom;bottom=tmp;drawBottom=true;drawTop=false}}if(right<axisx.min||left>axisx.max||top<axisy.min||bottom>axisy.max)return;if(left<axisx.min){left=axisx.min;drawLeft=false}if(right>axisx.max){right=axisx.max;drawRight=false}if(bottom<axisy.min){bottom=axisy.min;drawBottom=false}if(top>axisy.max){top=axisy.max;drawTop=false}left=axisx.p2c(left);bottom=axisy.p2c(bottom);right=axisx.p2c(right);top=axisy.p2c(top);if(fillStyleCallback){c.fillStyle=fillStyleCallback(bottom,top);c.fillRect(left,top,right-left,bottom-top)}if(lineWidth>0&&(drawLeft||drawRight||drawTop||drawBottom)){c.beginPath();c.moveTo(left,bottom);if(drawLeft)c.lineTo(left,top);else c.moveTo(left,top);if(drawTop)c.lineTo(right,top);else c.moveTo(right,top);if(drawRight)c.lineTo(right,bottom);else c.moveTo(right,bottom);if(drawBottom)c.lineTo(left,bottom);else c.moveTo(left,bottom);c.stroke()}}function drawSeriesBars(series){function plotBars(datapoints,barLeft,barRight,fillStyleCallback,axisx,axisy){var points=datapoints.points,ps=datapoints.pointsize;for(var i=0;i<points.length;i+=ps){if(points[i]==null)continue;drawBar(points[i],points[i+1],points[i+2],barLeft,barRight,fillStyleCallback,axisx,axisy,ctx,series.bars.horizontal,series.bars.lineWidth)}}ctx.save();ctx.translate(plotOffset.left,plotOffset.top);ctx.lineWidth=series.bars.lineWidth;ctx.strokeStyle=series.color;var barLeft;switch(series.bars.align){case"left":barLeft=0;break;case"right":barLeft=-series.bars.barWidth;break;default:barLeft=-series.bars.barWidth/2}var fillStyleCallback=series.bars.fill?function(bottom,top){return getFillStyle(series.bars,series.color,bottom,top)}:null;plotBars(series.datapoints,barLeft,barLeft+series.bars.barWidth,fillStyleCallback,series.xaxis,series.yaxis);ctx.restore()}function getFillStyle(filloptions,seriesColor,bottom,top){var fill=filloptions.fill;if(!fill)return null;if(filloptions.fillColor)return getColorOrGradient(filloptions.fillColor,bottom,top,seriesColor);var c=$.color.parse(seriesColor);c.a=typeof fill=="number"?fill:.4;c.normalize();return c.toString()}function insertLegend(){if(options.legend.container!=null){$(options.legend.container).html("")}else{placeholder.find(".legend").remove()}if(!options.legend.show){return}var fragments=[],entries=[],rowStarted=false,lf=options.legend.labelFormatter,s,label;for(var i=0;i<series.length;++i){s=series[i];if(s.label){label=lf?lf(s.label,s):s.label;if(label){entries.push({label:label,color:s.color})}}}if(options.legend.sorted){if($.isFunction(options.legend.sorted)){entries.sort(options.legend.sorted)}else if(options.legend.sorted=="reverse"){entries.reverse()}else{var ascending=options.legend.sorted!="descending";entries.sort(function(a,b){return a.label==b.label?0:a.label<b.label!=ascending?1:-1})}}for(var i=0;i<entries.length;++i){var entry=entries[i];if(i%options.legend.noColumns==0){if(rowStarted)fragments.push("</tr>");fragments.push("<tr>");rowStarted=true}fragments.push('<td class="legendColorBox"><div style="border:1px solid '+options.legend.labelBoxBorderColor+';padding:1px"><div style="width:4px;height:0;border:5px solid '+entry.color+';overflow:hidden"></div></div></td>'+'<td class="legendLabel">'+entry.label+"</td>")}if(rowStarted)fragments.push("</tr>");if(fragments.length==0)return;var table='<table style="font-size:smaller;color:'+options.grid.color+'">'+fragments.join("")+"</table>";if(options.legend.container!=null)$(options.legend.container).html(table);else{var 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+*/
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i,axisOptions,axisCount,fontSize=placeholder.css("font-size"),fontSizeDefault=fontSize?+fontSize.replace("px",""):13,fontDefaults={style:placeholder.css("font-style"),size:Math.round(.8*fontSizeDefault),variant:placeholder.css("font-variant"),weight:placeholder.css("font-weight"),family:placeholder.css("font-family")};axisCount=options.xaxes.length||1;for(i=0;i<axisCount;++i){axisOptions=options.xaxes[i];if(axisOptions&&!axisOptions.tickColor){axisOptions.tickColor=axisOptions.color}axisOptions=$.extend(true,{},options.xaxis,axisOptions);options.xaxes[i]=axisOptions;if(axisOptions.font){axisOptions.font=$.extend({},fontDefaults,axisOptions.font);if(!axisOptions.font.color){axisOptions.font.color=axisOptions.color}if(!axisOptions.font.lineHeight){axisOptions.font.lineHeight=Math.round(axisOptions.font.size*1.15)}}}axisCount=options.yaxes.length||1;for(i=0;i<axisCount;++i){axisOptions=options.yaxes[i];if(axisOptions&&!axisOptions.tickColor){axisOptions.tickColor=axisOptions.color}axisOptions=$.extend(true,{},options.yaxis,axisOptions);options.yaxes[i]=axisOptions;if(axisOptions.font){axisOptions.font=$.extend({},fontDefaults,axisOptions.font);if(!axisOptions.font.color){axisOptions.font.color=axisOptions.color}if(!axisOptions.font.lineHeight){axisOptions.font.lineHeight=Math.round(axisOptions.font.size*1.15)}}}if(options.xaxis.noTicks&&options.xaxis.ticks==null)options.xaxis.ticks=options.xaxis.noTicks;if(options.yaxis.noTicks&&options.yaxis.ticks==null)options.yaxis.ticks=options.yaxis.noTicks;if(options.x2axis){options.xaxes[1]=$.extend(true,{},options.xaxis,options.x2axis);options.xaxes[1].position="top";if(options.x2axis.min==null){options.xaxes[1].min=null}if(options.x2axis.max==null){options.xaxes[1].max=null}}if(options.y2axis){options.yaxes[1]=$.extend(true,{},options.yaxis,options.y2axis);options.yaxes[1].position="right";if(options.y2axis.min==null){options.yaxes[1].min=null}if(options.y2axis.max==null){options.yaxes[1].max=null}}if(options.grid.coloredAreas)options.grid.markings=options.grid.coloredAreas;if(options.grid.coloredAreasColor)options.grid.markingsColor=options.grid.coloredAreasColor;if(options.lines)$.extend(true,options.series.lines,options.lines);if(options.points)$.extend(true,options.series.points,options.points);if(options.bars)$.extend(true,options.series.bars,options.bars);if(options.shadowSize!=null)options.series.shadowSize=options.shadowSize;if(options.highlightColor!=null)options.series.highlightColor=options.highlightColor;for(i=0;i<options.xaxes.length;++i)getOrCreateAxis(xaxes,i+1).options=options.xaxes[i];for(i=0;i<options.yaxes.length;++i)getOrCreateAxis(yaxes,i+1).options=options.yaxes[i];for(var n in hooks)if(options.hooks[n]&&options.hooks[n].length)hooks[n]=hooks[n].concat(options.hooks[n]);executeHooks(hooks.processOptions,[options])}function setData(d){series=parseData(d);fillInSeriesOptions();processData()}function parseData(d){var res=[];for(var i=0;i<d.length;++i){var s=$.extend(true,{},options.series);if(d[i].data!=null){s.data=d[i].data;delete d[i].data;$.extend(true,s,d[i]);d[i].data=s.data}else s.data=d[i];res.push(s)}return res}function axisNumber(obj,coord){var a=obj[coord+"axis"];if(typeof a=="object")a=a.n;if(typeof a!="number")a=1;return a}function allAxes(){return $.grep(xaxes.concat(yaxes),function(a){return a})}function canvasToAxisCoords(pos){var res={},i,axis;for(i=0;i<xaxes.length;++i){axis=xaxes[i];if(axis&&axis.used)res["x"+axis.n]=axis.c2p(pos.left)}for(i=0;i<yaxes.length;++i){axis=yaxes[i];if(axis&&axis.used)res["y"+axis.n]=axis.c2p(pos.top)}if(res.x1!==undefined)res.x=res.x1;if(res.y1!==undefined)res.y=res.y1;return res}function axisToCanvasCoords(pos){var res={},i,axis,key;for(i=0;i<xaxes.length;++i){axis=xaxes[i];if(axis&&axis.used){key="x"+axis.n;if(pos[key]==null&&axis.n==1)key="x";if(pos[key]!=null){res.left=axis.p2c(pos[key]);break}}}for(i=0;i<yaxes.length;++i){axis=yaxes[i];if(axis&&axis.used){key="y"+axis.n;if(pos[key]==null&&axis.n==1)key="y";if(pos[key]!=null){res.top=axis.p2c(pos[key]);break}}}return res}function getOrCreateAxis(axes,number){if(!axes[number-1])axes[number-1]={n:number,direction:axes==xaxes?"x":"y",options:$.extend(true,{},axes==xaxes?options.xaxis:options.yaxis)};return axes[number-1]}function fillInSeriesOptions(){var neededColors=series.length,maxIndex=-1,i;for(i=0;i<series.length;++i){var sc=series[i].color;if(sc!=null){neededColors--;if(typeof sc=="number"&&sc>maxIndex){maxIndex=sc}}}if(neededColors<=maxIndex){neededColors=maxIndex+1}var c,colors=[],colorPool=options.colors,colorPoolSize=colorPool.length,variation=0;for(i=0;i<neededColors;i++){c=$.color.parse(colorPool[i%colorPoolSize]||"#666");if(i%colorPoolSize==0&&i){if(variation>=0){if(variation<.5){variation=-variation-.2}else variation=0}else variation=-variation}colors[i]=c.scale("rgb",1+variation)}var colori=0,s;for(i=0;i<series.length;++i){s=series[i];if(s.color==null){s.color=colors[colori].toString();++colori}else if(typeof s.color=="number")s.color=colors[s.color].toString();if(s.lines.show==null){var v,show=true;for(v in s)if(s[v]&&s[v].show){show=false;break}if(show)s.lines.show=true}if(s.lines.zero==null){s.lines.zero=!!s.lines.fill}s.xaxis=getOrCreateAxis(xaxes,axisNumber(s,"x"));s.yaxis=getOrCreateAxis(yaxes,axisNumber(s,"y"))}}function processData(){var topSentry=Number.POSITIVE_INFINITY,bottomSentry=Number.NEGATIVE_INFINITY,fakeInfinity=Number.MAX_VALUE,i,j,k,m,length,s,points,ps,x,y,axis,val,f,p,data,format;function updateAxis(axis,min,max){if(min<axis.datamin&&min!=-fakeInfinity)axis.datamin=min;if(max>axis.datamax&&max!=fakeInfinity)axis.datamax=max}$.each(allAxes(),function(_,axis){axis.datamin=topSentry;axis.datamax=bottomSentry;axis.used=false});for(i=0;i<series.length;++i){s=series[i];s.datapoints={points:[]};executeHooks(hooks.processRawData,[s,s.data,s.datapoints])}for(i=0;i<series.length;++i){s=series[i];data=s.data;format=s.datapoints.format;if(!format){format=[];format.push({x:true,number:true,required:true});format.push({y:true,number:true,required:true});if(s.bars.show||s.lines.show&&s.lines.fill){var autoscale=!!(s.bars.show&&s.bars.zero||s.lines.show&&s.lines.zero);format.push({y:true,number:true,required:false,defaultValue:0,autoscale:autoscale});if(s.bars.horizontal){delete format[format.length-1].y;format[format.length-1].x=true}}s.datapoints.format=format}if(s.datapoints.pointsize!=null)continue;s.datapoints.pointsize=format.length;ps=s.datapoints.pointsize;points=s.datapoints.points;var insertSteps=s.lines.show&&s.lines.steps;s.xaxis.used=s.yaxis.used=true;for(j=k=0;j<data.length;++j,k+=ps){p=data[j];var nullify=p==null;if(!nullify){for(m=0;m<ps;++m){val=p[m];f=format[m];if(f){if(f.number&&val!=null){val=+val;if(isNaN(val))val=null;else if(val==Infinity)val=fakeInfinity;else if(val==-Infinity)val=-fakeInfinity}if(val==null){if(f.required)nullify=true;if(f.defaultValue!=null)val=f.defaultValue}}points[k+m]=val}}if(nullify){for(m=0;m<ps;++m){val=points[k+m];if(val!=null){f=format[m];if(f.autoscale!==false){if(f.x){updateAxis(s.xaxis,val,val)}if(f.y){updateAxis(s.yaxis,val,val)}}}points[k+m]=null}}else{if(insertSteps&&k>0&&points[k-ps]!=null&&points[k-ps]!=points[k]&&points[k-ps+1]!=points[k+1]){for(m=0;m<ps;++m)points[k+ps+m]=points[k+m];points[k+1]=points[k-ps+1];k+=ps}}}}for(i=0;i<series.length;++i){s=series[i];executeHooks(hooks.processDatapoints,[s,s.datapoints])}for(i=0;i<series.length;++i){s=series[i];points=s.datapoints.points;ps=s.datapoints.pointsize;format=s.datapoints.format;var xmin=topSentry,ymin=topSentry,xmax=bottomSentry,ymax=bottomSentry;for(j=0;j<points.length;j+=ps){if(points[j]==null)continue;for(m=0;m<ps;++m){val=points[j+m];f=format[m];if(!f||f.autoscale===false||val==fakeInfinity||val==-fakeInfinity)continue;if(f.x){if(val<xmin)xmin=val;if(val>xmax)xmax=val}if(f.y){if(val<ymin)ymin=val;if(val>ymax)ymax=val}}}if(s.bars.show){var delta;switch(s.bars.align){case"left":delta=0;break;case"right":delta=-s.bars.barWidth;break;default:delta=-s.bars.barWidth/2}if(s.bars.horizontal){ymin+=delta;ymax+=delta+s.bars.barWidth}else{xmin+=delta;xmax+=delta+s.bars.barWidth}}updateAxis(s.xaxis,xmin,xmax);updateAxis(s.yaxis,ymin,ymax)}$.each(allAxes(),function(_,axis){if(axis.datamin==topSentry)axis.datamin=null;if(axis.datamax==bottomSentry)axis.datamax=null})}function setupCanvases(){placeholder.css("padding",0).children().filter(function(){return!$(this).hasClass("flot-overlay")&&!$(this).hasClass("flot-base")}).remove();if(placeholder.css("position")=="static")placeholder.css("position","relative");surface=new Canvas("flot-base",placeholder);overlay=new Canvas("flot-overlay",placeholder);ctx=surface.context;octx=overlay.context;eventHolder=$(overlay.element).unbind();var existing=placeholder.data("plot");if(existing){existing.shutdown();overlay.clear()}placeholder.data("plot",plot)}function bindEvents(){if(options.grid.hoverable){eventHolder.mousemove(onMouseMove);eventHolder.bind("mouseleave",onMouseLeave)}if(options.grid.clickable)eventHolder.click(onClick);executeHooks(hooks.bindEvents,[eventHolder])}function shutdown(){if(redrawTimeout)clearTimeout(redrawTimeout);eventHolder.unbind("mousemove",onMouseMove);eventHolder.unbind("mouseleave",onMouseLeave);eventHolder.unbind("click",onClick);executeHooks(hooks.shutdown,[eventHolder])}function setTransformationHelpers(axis){function identity(x){return x}var s,m,t=axis.options.transform||identity,it=axis.options.inverseTransform;if(axis.direction=="x"){s=axis.scale=plotWidth/Math.abs(t(axis.max)-t(axis.min));m=Math.min(t(axis.max),t(axis.min))}else{s=axis.scale=plotHeight/Math.abs(t(axis.max)-t(axis.min));s=-s;m=Math.max(t(axis.max),t(axis.min))}if(t==identity)axis.p2c=function(p){return(p-m)*s};else axis.p2c=function(p){return(t(p)-m)*s};if(!it)axis.c2p=function(c){return m+c/s};else axis.c2p=function(c){return it(m+c/s)}}function measureTickLabels(axis){var opts=axis.options,ticks=axis.ticks||[],labelWidth=opts.labelWidth||0,labelHeight=opts.labelHeight||0,maxWidth=labelWidth||(axis.direction=="x"?Math.floor(surface.width/(ticks.length||1)):null),legacyStyles=axis.direction+"Axis "+axis.direction+axis.n+"Axis",layer="flot-"+axis.direction+"-axis flot-"+axis.direction+axis.n+"-axis "+legacyStyles,font=opts.font||"flot-tick-label tickLabel";for(var i=0;i<ticks.length;++i){var t=ticks[i];if(!t.label)continue;var info=surface.getTextInfo(layer,t.label,font,null,maxWidth);labelWidth=Math.max(labelWidth,info.width);labelHeight=Math.max(labelHeight,info.height)}axis.labelWidth=opts.labelWidth||labelWidth;axis.labelHeight=opts.labelHeight||labelHeight}function allocateAxisBoxFirstPhase(axis){var lw=axis.labelWidth,lh=axis.labelHeight,pos=axis.options.position,isXAxis=axis.direction==="x",tickLength=axis.options.tickLength,axisMargin=options.grid.axisMargin,padding=options.grid.labelMargin,innermost=true,outermost=true,first=true,found=false;$.each(isXAxis?xaxes:yaxes,function(i,a){if(a&&(a.show||a.reserveSpace)){if(a===axis){found=true}else if(a.options.position===pos){if(found){outermost=false}else{innermost=false}}if(!found){first=false}}});if(outermost){axisMargin=0}if(tickLength==null){tickLength=first?"full":5}if(!isNaN(+tickLength))padding+=+tickLength;if(isXAxis){lh+=padding;if(pos=="bottom"){plotOffset.bottom+=lh+axisMargin;axis.box={top:surface.height-plotOffset.bottom,height:lh}}else{axis.box={top:plotOffset.top+axisMargin,height:lh};plotOffset.top+=lh+axisMargin}}else{lw+=padding;if(pos=="left"){axis.box={left:plotOffset.left+axisMargin,width:lw};plotOffset.left+=lw+axisMargin}else{plotOffset.right+=lw+axisMargin;axis.box={left:surface.width-plotOffset.right,width:lw}}}axis.position=pos;axis.tickLength=tickLength;axis.box.padding=padding;axis.innermost=innermost}function allocateAxisBoxSecondPhase(axis){if(axis.direction=="x"){axis.box.left=plotOffset.left-axis.labelWidth/2;axis.box.width=surface.width-plotOffset.left-plotOffset.right+axis.labelWidth}else{axis.box.top=plotOffset.top-axis.labelHeight/2;axis.box.height=surface.height-plotOffset.bottom-plotOffset.top+axis.labelHeight}}function adjustLayoutForThingsStickingOut(){var minMargin=options.grid.minBorderMargin,axis,i;if(minMargin==null){minMargin=0;for(i=0;i<series.length;++i)minMargin=Math.max(minMargin,2*(series[i].points.radius+series[i].points.lineWidth/2))}var margins={left:minMargin,right:minMargin,top:minMargin,bottom:minMargin};$.each(allAxes(),function(_,axis){if(axis.reserveSpace&&axis.ticks&&axis.ticks.length){if(axis.direction==="x"){margins.left=Math.max(margins.left,axis.labelWidth/2);margins.right=Math.max(margins.right,axis.labelWidth/2)}else{margins.bottom=Math.max(margins.bottom,axis.labelHeight/2);margins.top=Math.max(margins.top,axis.labelHeight/2)}}});plotOffset.left=Math.ceil(Math.max(margins.left,plotOffset.left));plotOffset.right=Math.ceil(Math.max(margins.right,plotOffset.right));plotOffset.top=Math.ceil(Math.max(margins.top,plotOffset.top));plotOffset.bottom=Math.ceil(Math.max(margins.bottom,plotOffset.bottom))}function setupGrid(){var i,axes=allAxes(),showGrid=options.grid.show;for(var a in plotOffset){var margin=options.grid.margin||0;plotOffset[a]=typeof margin=="number"?margin:margin[a]||0}executeHooks(hooks.processOffset,[plotOffset]);for(var a in plotOffset){if(typeof options.grid.borderWidth=="object"){plotOffset[a]+=showGrid?options.grid.borderWidth[a]:0}else{plotOffset[a]+=showGrid?options.grid.borderWidth:0}}$.each(axes,function(_,axis){var axisOpts=axis.options;axis.show=axisOpts.show==null?axis.used:axisOpts.show;axis.reserveSpace=axisOpts.reserveSpace==null?axis.show:axisOpts.reserveSpace;setRange(axis)});if(showGrid){var allocatedAxes=$.grep(axes,function(axis){return axis.show||axis.reserveSpace});$.each(allocatedAxes,function(_,axis){setupTickGeneration(axis);setTicks(axis);snapRangeToTicks(axis,axis.ticks);measureTickLabels(axis)});for(i=allocatedAxes.length-1;i>=0;--i)allocateAxisBoxFirstPhase(allocatedAxes[i]);adjustLayoutForThingsStickingOut();$.each(allocatedAxes,function(_,axis){allocateAxisBoxSecondPhase(axis)})}plotWidth=surface.width-plotOffset.left-plotOffset.right;plotHeight=surface.height-plotOffset.bottom-plotOffset.top;$.each(axes,function(_,axis){setTransformationHelpers(axis)});if(showGrid){drawAxisLabels()}insertLegend()}function setRange(axis){var opts=axis.options,min=+(opts.min!=null?opts.min:axis.datamin),max=+(opts.max!=null?opts.max:axis.datamax),delta=max-min;if(delta==0){var widen=max==0?1:.01;if(opts.min==null)min-=widen;if(opts.max==null||opts.min!=null)max+=widen}else{var margin=opts.autoscaleMargin;if(margin!=null){if(opts.min==null){min-=delta*margin;if(min<0&&axis.datamin!=null&&axis.datamin>=0)min=0}if(opts.max==null){max+=delta*margin;if(max>0&&axis.datamax!=null&&axis.datamax<=0)max=0}}}axis.min=min;axis.max=max}function setupTickGeneration(axis){var opts=axis.options;var noTicks;if(typeof opts.ticks=="number"&&opts.ticks>0)noTicks=opts.ticks;else noTicks=.3*Math.sqrt(axis.direction=="x"?surface.width:surface.height);var delta=(axis.max-axis.min)/noTicks,dec=-Math.floor(Math.log(delta)/Math.LN10),maxDec=opts.tickDecimals;if(maxDec!=null&&dec>maxDec){dec=maxDec}var magn=Math.pow(10,-dec),norm=delta/magn,size;if(norm<1.5){size=1}else if(norm<3){size=2;if(norm>2.25&&(maxDec==null||dec+1<=maxDec)){size=2.5;++dec}}else if(norm<7.5){size=5}else{size=10}size*=magn;if(opts.minTickSize!=null&&size<opts.minTickSize){size=opts.minTickSize}axis.delta=delta;axis.tickDecimals=Math.max(0,maxDec!=null?maxDec:dec);axis.tickSize=opts.tickSize||size;if(opts.mode=="time"&&!axis.tickGenerator){throw new Error("Time mode requires the flot.time plugin.")}if(!axis.tickGenerator){axis.tickGenerator=function(axis){var ticks=[],start=floorInBase(axis.min,axis.tickSize),i=0,v=Number.NaN,prev;do{prev=v;v=start+i*axis.tickSize;ticks.push(v);++i}while(v<axis.max&&v!=prev);return ticks};axis.tickFormatter=function(value,axis){var factor=axis.tickDecimals?Math.pow(10,axis.tickDecimals):1;var formatted=""+Math.round(value*factor)/factor;if(axis.tickDecimals!=null){var decimal=formatted.indexOf(".");var precision=decimal==-1?0:formatted.length-decimal-1;if(precision<axis.tickDecimals){return(precision?formatted:formatted+".")+(""+factor).substr(1,axis.tickDecimals-precision)}}return formatted}}if($.isFunction(opts.tickFormatter))axis.tickFormatter=function(v,axis){return""+opts.tickFormatter(v,axis)};if(opts.alignTicksWithAxis!=null){var otherAxis=(axis.direction=="x"?xaxes:yaxes)[opts.alignTicksWithAxis-1];if(otherAxis&&otherAxis.used&&otherAxis!=axis){var niceTicks=axis.tickGenerator(axis);if(niceTicks.length>0){if(opts.min==null)axis.min=Math.min(axis.min,niceTicks[0]);if(opts.max==null&&niceTicks.length>1)axis.max=Math.max(axis.max,niceTicks[niceTicks.length-1])}axis.tickGenerator=function(axis){var ticks=[],v,i;for(i=0;i<otherAxis.ticks.length;++i){v=(otherAxis.ticks[i].v-otherAxis.min)/(otherAxis.max-otherAxis.min);v=axis.min+v*(axis.max-axis.min);ticks.push(v)}return ticks};if(!axis.mode&&opts.tickDecimals==null){var extraDec=Math.max(0,-Math.floor(Math.log(axis.delta)/Math.LN10)+1),ts=axis.tickGenerator(axis);if(!(ts.length>1&&/\..*0$/.test((ts[1]-ts[0]).toFixed(extraDec))))axis.tickDecimals=extraDec}}}}function setTicks(axis){var oticks=axis.options.ticks,ticks=[];if(oticks==null||typeof oticks=="number"&&oticks>0)ticks=axis.tickGenerator(axis);else if(oticks){if($.isFunction(oticks))ticks=oticks(axis);else ticks=oticks}var i,v;axis.ticks=[];for(i=0;i<ticks.length;++i){var label=null;var t=ticks[i];if(typeof t=="object"){v=+t[0];if(t.length>1)label=t[1]}else v=+t;if(label==null)label=axis.tickFormatter(v,axis);if(!isNaN(v))axis.ticks.push({v:v,label:label})}}function snapRangeToTicks(axis,ticks){if(axis.options.autoscaleMargin&&ticks.length>0){if(axis.options.min==null)axis.min=Math.min(axis.min,ticks[0].v);if(axis.options.max==null&&ticks.length>1)axis.max=Math.max(axis.max,ticks[ticks.length-1].v)}}function draw(){surface.clear();executeHooks(hooks.drawBackground,[ctx]);var grid=options.grid;if(grid.show&&grid.backgroundColor)drawBackground();if(grid.show&&!grid.aboveData){drawGrid()}for(var i=0;i<series.length;++i){executeHooks(hooks.drawSeries,[ctx,series[i]]);drawSeries(series[i])}executeHooks(hooks.draw,[ctx]);if(grid.show&&grid.aboveData){drawGrid()}surface.render();triggerRedrawOverlay()}function extractRange(ranges,coord){var axis,from,to,key,axes=allAxes();for(var i=0;i<axes.length;++i){axis=axes[i];if(axis.direction==coord){key=coord+axis.n+"axis";if(!ranges[key]&&axis.n==1)key=coord+"axis";if(ranges[key]){from=ranges[key].from;to=ranges[key].to;break}}}if(!ranges[key]){axis=coord=="x"?xaxes[0]:yaxes[0];from=ranges[coord+"1"];to=ranges[coord+"2"]}if(from!=null&&to!=null&&from>to){var tmp=from;from=to;to=tmp}return{from:from,to:to,axis:axis}}function drawBackground(){ctx.save();ctx.translate(plotOffset.left,plotOffset.top);ctx.fillStyle=getColorOrGradient(options.grid.backgroundColor,plotHeight,0,"rgba(255, 255, 255, 0)");ctx.fillRect(0,0,plotWidth,plotHeight);ctx.restore()}function drawGrid(){var i,axes,bw,bc;ctx.save();ctx.translate(plotOffset.left,plotOffset.top);var markings=options.grid.markings;if(markings){if($.isFunction(markings)){axes=plot.getAxes();axes.xmin=axes.xaxis.min;axes.xmax=axes.xaxis.max;axes.ymin=axes.yaxis.min;axes.ymax=axes.yaxis.max;markings=markings(axes)}for(i=0;i<markings.length;++i){var m=markings[i],xrange=extractRange(m,"x"),yrange=extractRange(m,"y");if(xrange.from==null)xrange.from=xrange.axis.min;if(xrange.to==null)xrange.to=xrange.axis.max;
+if(yrange.from==null)yrange.from=yrange.axis.min;if(yrange.to==null)yrange.to=yrange.axis.max;if(xrange.to<xrange.axis.min||xrange.from>xrange.axis.max||yrange.to<yrange.axis.min||yrange.from>yrange.axis.max)continue;xrange.from=Math.max(xrange.from,xrange.axis.min);xrange.to=Math.min(xrange.to,xrange.axis.max);yrange.from=Math.max(yrange.from,yrange.axis.min);yrange.to=Math.min(yrange.to,yrange.axis.max);var xequal=xrange.from===xrange.to,yequal=yrange.from===yrange.to;if(xequal&&yequal){continue}xrange.from=Math.floor(xrange.axis.p2c(xrange.from));xrange.to=Math.floor(xrange.axis.p2c(xrange.to));yrange.from=Math.floor(yrange.axis.p2c(yrange.from));yrange.to=Math.floor(yrange.axis.p2c(yrange.to));if(xequal||yequal){var lineWidth=m.lineWidth||options.grid.markingsLineWidth,subPixel=lineWidth%2?.5:0;ctx.beginPath();ctx.strokeStyle=m.color||options.grid.markingsColor;ctx.lineWidth=lineWidth;if(xequal){ctx.moveTo(xrange.to+subPixel,yrange.from);ctx.lineTo(xrange.to+subPixel,yrange.to)}else{ctx.moveTo(xrange.from,yrange.to+subPixel);ctx.lineTo(xrange.to,yrange.to+subPixel)}ctx.stroke()}else{ctx.fillStyle=m.color||options.grid.markingsColor;ctx.fillRect(xrange.from,yrange.to,xrange.to-xrange.from,yrange.from-yrange.to)}}}axes=allAxes();bw=options.grid.borderWidth;for(var j=0;j<axes.length;++j){var axis=axes[j],box=axis.box,t=axis.tickLength,x,y,xoff,yoff;if(!axis.show||axis.ticks.length==0)continue;ctx.lineWidth=1;if(axis.direction=="x"){x=0;if(t=="full")y=axis.position=="top"?0:plotHeight;else y=box.top-plotOffset.top+(axis.position=="top"?box.height:0)}else{y=0;if(t=="full")x=axis.position=="left"?0:plotWidth;else x=box.left-plotOffset.left+(axis.position=="left"?box.width:0)}if(!axis.innermost){ctx.strokeStyle=axis.options.color;ctx.beginPath();xoff=yoff=0;if(axis.direction=="x")xoff=plotWidth+1;else yoff=plotHeight+1;if(ctx.lineWidth==1){if(axis.direction=="x"){y=Math.floor(y)+.5}else{x=Math.floor(x)+.5}}ctx.moveTo(x,y);ctx.lineTo(x+xoff,y+yoff);ctx.stroke()}ctx.strokeStyle=axis.options.tickColor;ctx.beginPath();for(i=0;i<axis.ticks.length;++i){var v=axis.ticks[i].v;xoff=yoff=0;if(isNaN(v)||v<axis.min||v>axis.max||t=="full"&&(typeof bw=="object"&&bw[axis.position]>0||bw>0)&&(v==axis.min||v==axis.max))continue;if(axis.direction=="x"){x=axis.p2c(v);yoff=t=="full"?-plotHeight:t;if(axis.position=="top")yoff=-yoff}else{y=axis.p2c(v);xoff=t=="full"?-plotWidth:t;if(axis.position=="left")xoff=-xoff}if(ctx.lineWidth==1){if(axis.direction=="x")x=Math.floor(x)+.5;else y=Math.floor(y)+.5}ctx.moveTo(x,y);ctx.lineTo(x+xoff,y+yoff)}ctx.stroke()}if(bw){bc=options.grid.borderColor;if(typeof bw=="object"||typeof bc=="object"){if(typeof bw!=="object"){bw={top:bw,right:bw,bottom:bw,left:bw}}if(typeof bc!=="object"){bc={top:bc,right:bc,bottom:bc,left:bc}}if(bw.top>0){ctx.strokeStyle=bc.top;ctx.lineWidth=bw.top;ctx.beginPath();ctx.moveTo(0-bw.left,0-bw.top/2);ctx.lineTo(plotWidth,0-bw.top/2);ctx.stroke()}if(bw.right>0){ctx.strokeStyle=bc.right;ctx.lineWidth=bw.right;ctx.beginPath();ctx.moveTo(plotWidth+bw.right/2,0-bw.top);ctx.lineTo(plotWidth+bw.right/2,plotHeight);ctx.stroke()}if(bw.bottom>0){ctx.strokeStyle=bc.bottom;ctx.lineWidth=bw.bottom;ctx.beginPath();ctx.moveTo(plotWidth+bw.right,plotHeight+bw.bottom/2);ctx.lineTo(0,plotHeight+bw.bottom/2);ctx.stroke()}if(bw.left>0){ctx.strokeStyle=bc.left;ctx.lineWidth=bw.left;ctx.beginPath();ctx.moveTo(0-bw.left/2,plotHeight+bw.bottom);ctx.lineTo(0-bw.left/2,0);ctx.stroke()}}else{ctx.lineWidth=bw;ctx.strokeStyle=options.grid.borderColor;ctx.strokeRect(-bw/2,-bw/2,plotWidth+bw,plotHeight+bw)}}ctx.restore()}function drawAxisLabels(){$.each(allAxes(),function(_,axis){var box=axis.box,legacyStyles=axis.direction+"Axis "+axis.direction+axis.n+"Axis",layer="flot-"+axis.direction+"-axis flot-"+axis.direction+axis.n+"-axis "+legacyStyles,font=axis.options.font||"flot-tick-label tickLabel",tick,x,y,halign,valign;surface.removeText(layer);if(!axis.show||axis.ticks.length==0)return;for(var i=0;i<axis.ticks.length;++i){tick=axis.ticks[i];if(!tick.label||tick.v<axis.min||tick.v>axis.max)continue;if(axis.direction=="x"){halign="center";x=plotOffset.left+axis.p2c(tick.v);if(axis.position=="bottom"){y=box.top+box.padding}else{y=box.top+box.height-box.padding;valign="bottom"}}else{valign="middle";y=plotOffset.top+axis.p2c(tick.v);if(axis.position=="left"){x=box.left+box.width-box.padding;halign="right"}else{x=box.left+box.padding}}surface.addText(layer,x,y,tick.label,font,null,null,halign,valign)}})}function drawSeries(series){if(series.lines.show)drawSeriesLines(series);if(series.bars.show)drawSeriesBars(series);if(series.points.show)drawSeriesPoints(series)}function drawSeriesLines(series){function plotLine(datapoints,xoffset,yoffset,axisx,axisy){var points=datapoints.points,ps=datapoints.pointsize,prevx=null,prevy=null;ctx.beginPath();for(var i=ps;i<points.length;i+=ps){var x1=points[i-ps],y1=points[i-ps+1],x2=points[i],y2=points[i+1];if(x1==null||x2==null)continue;if(y1<=y2&&y1<axisy.min){if(y2<axisy.min)continue;x1=(axisy.min-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.min}else if(y2<=y1&&y2<axisy.min){if(y1<axisy.min)continue;x2=(axisy.min-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.min}if(y1>=y2&&y1>axisy.max){if(y2>axisy.max)continue;x1=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.max}else if(y2>=y1&&y2>axisy.max){if(y1>axisy.max)continue;x2=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.max}if(x1<=x2&&x1<axisx.min){if(x2<axisx.min)continue;y1=(axisx.min-x1)/(x2-x1)*(y2-y1)+y1;x1=axisx.min}else if(x2<=x1&&x2<axisx.min){if(x1<axisx.min)continue;y2=(axisx.min-x1)/(x2-x1)*(y2-y1)+y1;x2=axisx.min}if(x1>=x2&&x1>axisx.max){if(x2>axisx.max)continue;y1=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x1=axisx.max}else if(x2>=x1&&x2>axisx.max){if(x1>axisx.max)continue;y2=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x2=axisx.max}if(x1!=prevx||y1!=prevy)ctx.moveTo(axisx.p2c(x1)+xoffset,axisy.p2c(y1)+yoffset);prevx=x2;prevy=y2;ctx.lineTo(axisx.p2c(x2)+xoffset,axisy.p2c(y2)+yoffset)}ctx.stroke()}function plotLineArea(datapoints,axisx,axisy){var points=datapoints.points,ps=datapoints.pointsize,bottom=Math.min(Math.max(0,axisy.min),axisy.max),i=0,top,areaOpen=false,ypos=1,segmentStart=0,segmentEnd=0;while(true){if(ps>0&&i>points.length+ps)break;i+=ps;var x1=points[i-ps],y1=points[i-ps+ypos],x2=points[i],y2=points[i+ypos];if(areaOpen){if(ps>0&&x1!=null&&x2==null){segmentEnd=i;ps=-ps;ypos=2;continue}if(ps<0&&i==segmentStart+ps){ctx.fill();areaOpen=false;ps=-ps;ypos=1;i=segmentStart=segmentEnd+ps;continue}}if(x1==null||x2==null)continue;if(x1<=x2&&x1<axisx.min){if(x2<axisx.min)continue;y1=(axisx.min-x1)/(x2-x1)*(y2-y1)+y1;x1=axisx.min}else if(x2<=x1&&x2<axisx.min){if(x1<axisx.min)continue;y2=(axisx.min-x1)/(x2-x1)*(y2-y1)+y1;x2=axisx.min}if(x1>=x2&&x1>axisx.max){if(x2>axisx.max)continue;y1=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x1=axisx.max}else if(x2>=x1&&x2>axisx.max){if(x1>axisx.max)continue;y2=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x2=axisx.max}if(!areaOpen){ctx.beginPath();ctx.moveTo(axisx.p2c(x1),axisy.p2c(bottom));areaOpen=true}if(y1>=axisy.max&&y2>=axisy.max){ctx.lineTo(axisx.p2c(x1),axisy.p2c(axisy.max));ctx.lineTo(axisx.p2c(x2),axisy.p2c(axisy.max));continue}else if(y1<=axisy.min&&y2<=axisy.min){ctx.lineTo(axisx.p2c(x1),axisy.p2c(axisy.min));ctx.lineTo(axisx.p2c(x2),axisy.p2c(axisy.min));continue}var x1old=x1,x2old=x2;if(y1<=y2&&y1<axisy.min&&y2>=axisy.min){x1=(axisy.min-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.min}else if(y2<=y1&&y2<axisy.min&&y1>=axisy.min){x2=(axisy.min-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.min}if(y1>=y2&&y1>axisy.max&&y2<=axisy.max){x1=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.max}else if(y2>=y1&&y2>axisy.max&&y1<=axisy.max){x2=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.max}if(x1!=x1old){ctx.lineTo(axisx.p2c(x1old),axisy.p2c(y1))}ctx.lineTo(axisx.p2c(x1),axisy.p2c(y1));ctx.lineTo(axisx.p2c(x2),axisy.p2c(y2));if(x2!=x2old){ctx.lineTo(axisx.p2c(x2),axisy.p2c(y2));ctx.lineTo(axisx.p2c(x2old),axisy.p2c(y2))}}}ctx.save();ctx.translate(plotOffset.left,plotOffset.top);ctx.lineJoin="round";var lw=series.lines.lineWidth,sw=series.shadowSize;if(lw>0&&sw>0){ctx.lineWidth=sw;ctx.strokeStyle="rgba(0,0,0,0.1)";var angle=Math.PI/18;plotLine(series.datapoints,Math.sin(angle)*(lw/2+sw/2),Math.cos(angle)*(lw/2+sw/2),series.xaxis,series.yaxis);ctx.lineWidth=sw/2;plotLine(series.datapoints,Math.sin(angle)*(lw/2+sw/4),Math.cos(angle)*(lw/2+sw/4),series.xaxis,series.yaxis)}ctx.lineWidth=lw;ctx.strokeStyle=series.color;var fillStyle=getFillStyle(series.lines,series.color,0,plotHeight);if(fillStyle){ctx.fillStyle=fillStyle;plotLineArea(series.datapoints,series.xaxis,series.yaxis)}if(lw>0)plotLine(series.datapoints,0,0,series.xaxis,series.yaxis);ctx.restore()}function drawSeriesPoints(series){function plotPoints(datapoints,radius,fillStyle,offset,shadow,axisx,axisy,symbol){var points=datapoints.points,ps=datapoints.pointsize;for(var i=0;i<points.length;i+=ps){var x=points[i],y=points[i+1];if(x==null||x<axisx.min||x>axisx.max||y<axisy.min||y>axisy.max)continue;ctx.beginPath();x=axisx.p2c(x);y=axisy.p2c(y)+offset;if(symbol=="circle")ctx.arc(x,y,radius,0,shadow?Math.PI:Math.PI*2,false);else symbol(ctx,x,y,radius,shadow);ctx.closePath();if(fillStyle){ctx.fillStyle=fillStyle;ctx.fill()}ctx.stroke()}}ctx.save();ctx.translate(plotOffset.left,plotOffset.top);var lw=series.points.lineWidth,sw=series.shadowSize,radius=series.points.radius,symbol=series.points.symbol;if(lw==0)lw=1e-4;if(lw>0&&sw>0){var w=sw/2;ctx.lineWidth=w;ctx.strokeStyle="rgba(0,0,0,0.1)";plotPoints(series.datapoints,radius,null,w+w/2,true,series.xaxis,series.yaxis,symbol);ctx.strokeStyle="rgba(0,0,0,0.2)";plotPoints(series.datapoints,radius,null,w/2,true,series.xaxis,series.yaxis,symbol)}ctx.lineWidth=lw;ctx.strokeStyle=series.color;plotPoints(series.datapoints,radius,getFillStyle(series.points,series.color),0,false,series.xaxis,series.yaxis,symbol);ctx.restore()}function drawBar(x,y,b,barLeft,barRight,fillStyleCallback,axisx,axisy,c,horizontal,lineWidth){var left,right,bottom,top,drawLeft,drawRight,drawTop,drawBottom,tmp;if(horizontal){drawBottom=drawRight=drawTop=true;drawLeft=false;left=b;right=x;top=y+barLeft;bottom=y+barRight;if(right<left){tmp=right;right=left;left=tmp;drawLeft=true;drawRight=false}}else{drawLeft=drawRight=drawTop=true;drawBottom=false;left=x+barLeft;right=x+barRight;bottom=b;top=y;if(top<bottom){tmp=top;top=bottom;bottom=tmp;drawBottom=true;drawTop=false}}if(right<axisx.min||left>axisx.max||top<axisy.min||bottom>axisy.max)return;if(left<axisx.min){left=axisx.min;drawLeft=false}if(right>axisx.max){right=axisx.max;drawRight=false}if(bottom<axisy.min){bottom=axisy.min;drawBottom=false}if(top>axisy.max){top=axisy.max;drawTop=false}left=axisx.p2c(left);bottom=axisy.p2c(bottom);right=axisx.p2c(right);top=axisy.p2c(top);if(fillStyleCallback){c.fillStyle=fillStyleCallback(bottom,top);c.fillRect(left,top,right-left,bottom-top)}if(lineWidth>0&&(drawLeft||drawRight||drawTop||drawBottom)){c.beginPath();c.moveTo(left,bottom);if(drawLeft)c.lineTo(left,top);else c.moveTo(left,top);if(drawTop)c.lineTo(right,top);else c.moveTo(right,top);if(drawRight)c.lineTo(right,bottom);else c.moveTo(right,bottom);if(drawBottom)c.lineTo(left,bottom);else c.moveTo(left,bottom);c.stroke()}}function drawSeriesBars(series){function plotBars(datapoints,barLeft,barRight,fillStyleCallback,axisx,axisy){var points=datapoints.points,ps=datapoints.pointsize;for(var i=0;i<points.length;i+=ps){if(points[i]==null)continue;drawBar(points[i],points[i+1],points[i+2],barLeft,barRight,fillStyleCallback,axisx,axisy,ctx,series.bars.horizontal,series.bars.lineWidth)}}ctx.save();ctx.translate(plotOffset.left,plotOffset.top);ctx.lineWidth=series.bars.lineWidth;ctx.strokeStyle=series.color;var barLeft;switch(series.bars.align){case"left":barLeft=0;break;case"right":barLeft=-series.bars.barWidth;break;default:barLeft=-series.bars.barWidth/2}var fillStyleCallback=series.bars.fill?function(bottom,top){return getFillStyle(series.bars,series.color,bottom,top)}:null;plotBars(series.datapoints,barLeft,barLeft+series.bars.barWidth,fillStyleCallback,series.xaxis,series.yaxis);ctx.restore()}function getFillStyle(filloptions,seriesColor,bottom,top){var fill=filloptions.fill;if(!fill)return null;if(filloptions.fillColor)return getColorOrGradient(filloptions.fillColor,bottom,top,seriesColor);var c=$.color.parse(seriesColor);c.a=typeof fill=="number"?fill:.4;c.normalize();return c.toString()}function insertLegend(){if(options.legend.container!=null){$(options.legend.container).html("")}else{placeholder.find(".legend").remove()}if(!options.legend.show){return}var fragments=[],entries=[],rowStarted=false,lf=options.legend.labelFormatter,s,label;for(var i=0;i<series.length;++i){s=series[i];if(s.label){label=lf?lf(s.label,s):s.label;if(label){entries.push({label:label,color:s.color})}}}if(options.legend.sorted){if($.isFunction(options.legend.sorted)){entries.sort(options.legend.sorted)}else if(options.legend.sorted=="reverse"){entries.reverse()}else{var ascending=options.legend.sorted!="descending";entries.sort(function(a,b){return a.label==b.label?0:a.label<b.label!=ascending?1:-1})}}for(var i=0;i<entries.length;++i){var entry=entries[i];if(i%options.legend.noColumns==0){if(rowStarted)fragments.push("</tr>");fragments.push("<tr>");rowStarted=true}fragments.push('<td class="legendColorBox"><div style="border:1px solid '+options.legend.labelBoxBorderColor+';padding:1px"><div style="width:4px;height:0;border:5px solid '+entry.color+';overflow:hidden"></div></div></td>'+'<td class="legendLabel">'+entry.label+"</td>")}if(rowStarted)fragments.push("</tr>");if(fragments.length==0)return;var table='<table style="font-size:smaller;color:'+options.grid.color+'">'+fragments.join("")+"</table>";if(options.legend.container!=null)$(options.legend.container).html(table);else{var pos="",p=options.legend.position,m=options.legend.margin;if(m[0]==null)m=[m,m];if(p.charAt(0)=="n")pos+="top:"+(m[1]+plotOffset.top)+"px;";else if(p.charAt(0)=="s")pos+="bottom:"+(m[1]+plotOffset.bottom)+"px;";if(p.charAt(1)=="e")pos+="right:"+(m[0]+plotOffset.right)+"px;";else if(p.charAt(1)=="w")pos+="left:"+(m[0]+plotOffset.left)+"px;";var legend=$('<div class="legend">'+table.replace('style="','style="position:absolute;'+pos+";")+"</div>").appendTo(placeholder);if(options.legend.backgroundOpacity!=0){var c=options.legend.backgroundColor;if(c==null){c=options.grid.backgroundColor;if(c&&typeof c=="string")c=$.color.parse(c);else c=$.color.extract(legend,"background-color");c.a=1;c=c.toString()}var div=legend.children();$('<div style="position:absolute;width:'+div.width()+"px;height:"+div.height()+"px;"+pos+"background-color:"+c+';"> </div>').prependTo(legend).css("opacity",options.legend.backgroundOpacity)}}}var highlights=[],redrawTimeout=null;function findNearbyItem(mouseX,mouseY,seriesFilter){var maxDistance=options.grid.mouseActiveRadius,smallestDistance=maxDistance*maxDistance+1,item=null,foundPoint=false,i,j,ps;for(i=series.length-1;i>=0;--i){if(!seriesFilter(series[i]))continue;var s=series[i],axisx=s.xaxis,axisy=s.yaxis,points=s.datapoints.points,mx=axisx.c2p(mouseX),my=axisy.c2p(mouseY),maxx=maxDistance/axisx.scale,maxy=maxDistance/axisy.scale;ps=s.datapoints.pointsize;if(axisx.options.inverseTransform)maxx=Number.MAX_VALUE;if(axisy.options.inverseTransform)maxy=Number.MAX_VALUE;if(s.lines.show||s.points.show){for(j=0;j<points.length;j+=ps){var x=points[j],y=points[j+1];if(x==null)continue;if(x-mx>maxx||x-mx<-maxx||y-my>maxy||y-my<-maxy)continue;var dx=Math.abs(axisx.p2c(x)-mouseX),dy=Math.abs(axisy.p2c(y)-mouseY),dist=dx*dx+dy*dy;if(dist<smallestDistance){smallestDistance=dist;item=[i,j/ps]}}}if(s.bars.show&&!item){var barLeft,barRight;switch(s.bars.align){case"left":barLeft=0;break;case"right":barLeft=-s.bars.barWidth;break;default:barLeft=-s.bars.barWidth/2}barRight=barLeft+s.bars.barWidth;for(j=0;j<points.length;j+=ps){var x=points[j],y=points[j+1],b=points[j+2];if(x==null)continue;if(series[i].bars.horizontal?mx<=Math.max(b,x)&&mx>=Math.min(b,x)&&my>=y+barLeft&&my<=y+barRight:mx>=x+barLeft&&mx<=x+barRight&&my>=Math.min(b,y)&&my<=Math.max(b,y))item=[i,j/ps]}}}if(item){i=item[0];j=item[1];ps=series[i].datapoints.pointsize;return{datapoint:series[i].datapoints.points.slice(j*ps,(j+1)*ps),dataIndex:j,series:series[i],seriesIndex:i}}return null}function onMouseMove(e){if(options.grid.hoverable)triggerClickHoverEvent("plothover",e,function(s){return s["hoverable"]!=false})}function onMouseLeave(e){if(options.grid.hoverable)triggerClickHoverEvent("plothover",e,function(s){return false})}function onClick(e){triggerClickHoverEvent("plotclick",e,function(s){return s["clickable"]!=false})}function triggerClickHoverEvent(eventname,event,seriesFilter){var offset=eventHolder.offset(),canvasX=event.pageX-offset.left-plotOffset.left,canvasY=event.pageY-offset.top-plotOffset.top,pos=canvasToAxisCoords({left:canvasX,top:canvasY});pos.pageX=event.pageX;pos.pageY=event.pageY;var item=findNearbyItem(canvasX,canvasY,seriesFilter);if(item){item.pageX=parseInt(item.series.xaxis.p2c(item.datapoint[0])+offset.left+plotOffset.left,10);item.pageY=parseInt(item.series.yaxis.p2c(item.datapoint[1])+offset.top+plotOffset.top,10)}if(options.grid.autoHighlight){for(var i=0;i<highlights.length;++i){var h=highlights[i];if(h.auto==eventname&&!(item&&h.series==item.series&&h.point[0]==item.datapoint[0]&&h.point[1]==item.datapoint[1]))unhighlight(h.series,h.point)}if(item)highlight(item.series,item.datapoint,eventname)}placeholder.trigger(eventname,[pos,item])}function triggerRedrawOverlay(){var t=options.interaction.redrawOverlayInterval;if(t==-1){drawOverlay();return}if(!redrawTimeout)redrawTimeout=setTimeout(drawOverlay,t)}function drawOverlay(){redrawTimeout=null;octx.save();overlay.clear();octx.translate(plotOffset.left,plotOffset.top);var i,hi;for(i=0;i<highlights.length;++i){hi=highlights[i];if(hi.series.bars.show)drawBarHighlight(hi.series,hi.point);else drawPointHighlight(hi.series,hi.point)}octx.restore();executeHooks(hooks.drawOverlay,[octx])}function highlight(s,point,auto){if(typeof s=="number")s=series[s];if(typeof point=="number"){var ps=s.datapoints.pointsize;point=s.datapoints.points.slice(ps*point,ps*(point+1))}var i=indexOfHighlight(s,point);if(i==-1){highlights.push({series:s,point:point,auto:auto});triggerRedrawOverlay()}else if(!auto)highlights[i].auto=false}function unhighlight(s,point){if(s==null&&point==null){highlights=[];triggerRedrawOverlay();return}if(typeof s=="number")s=series[s];if(typeof point=="number"){var ps=s.datapoints.pointsize;point=s.datapoints.points.slice(ps*point,ps*(point+1))}var i=indexOfHighlight(s,point);if(i!=-1){highlights.splice(i,1);triggerRedrawOverlay()}}function indexOfHighlight(s,p){for(var i=0;i<highlights.length;++i){var h=highlights[i];if(h.series==s&&h.point[0]==p[0]&&h.point[1]==p[1])return i}return-1}function drawPointHighlight(series,point){var x=point[0],y=point[1],axisx=series.xaxis,axisy=series.yaxis,highlightColor=typeof series.highlightColor==="string"?series.highlightColor:$.color.parse(series.color).scale("a",.5).toString();if(x<axisx.min||x>axisx.max||y<axisy.min||y>axisy.max)return;var pointRadius=series.points.radius+series.points.lineWidth/2;octx.lineWidth=pointRadius;octx.strokeStyle=highlightColor;var radius=1.5*pointRadius;x=axisx.p2c(x);y=axisy.p2c(y);octx.beginPath();if(series.points.symbol=="circle")octx.arc(x,y,radius,0,2*Math.PI,false);else series.points.symbol(octx,x,y,radius,false);octx.closePath();octx.stroke()}function drawBarHighlight(series,point){var highlightColor=typeof series.highlightColor==="string"?series.highlightColor:$.color.parse(series.color).scale("a",.5).toString(),fillStyle=highlightColor,barLeft;switch(series.bars.align){case"left":barLeft=0;break;case"right":barLeft=-series.bars.barWidth;break;default:barLeft=-series.bars.barWidth/2}octx.lineWidth=series.bars.lineWidth;octx.strokeStyle=highlightColor;drawBar(point[0],point[1],point[2]||0,barLeft,barLeft+series.bars.barWidth,function(){return fillStyle},series.xaxis,series.yaxis,octx,series.bars.horizontal,series.bars.lineWidth)}function getColorOrGradient(spec,bottom,top,defaultColor){if(typeof spec=="string")return spec;else{var gradient=ctx.createLinearGradient(0,top,0,bottom);for(var i=0,l=spec.colors.length;i<l;++i){var c=spec.colors[i];if(typeof c!="string"){var co=$.color.parse(defaultColor);if(c.brightness!=null)co=co.scale("rgb",c.brightness);if(c.opacity!=null)co.a*=c.opacity;c=co.toString()}gradient.addColorStop(i/(l-1),c)}return gradient}}}$.plot=function(placeholder,data,options){var plot=new Plot($(placeholder),data,options,$.plot.plugins);return plot};$.plot.version="0.8.3";$.plot.plugins=[];$.fn.plot=function(data,options){return this.each(function(){$.plot(this,data,options)})};function floorInBase(n,base){return base*Math.floor(n/base)}})(jQuery);
diff --git a/library/cpp/lwtrace/mon/static/js/jquery.flot.navigate.min.js b/library/cpp/lwtrace/mon/static/js/jquery.flot.navigate.min.js
index a7593fc8a7..af5ecd21e1 100644
--- a/library/cpp/lwtrace/mon/static/js/jquery.flot.navigate.min.js
+++ b/library/cpp/lwtrace/mon/static/js/jquery.flot.navigate.min.js
@@ -1,7 +1,7 @@
-/* Javascript plotting library for jQuery, version 0.8.3. 
- 
-Copyright (c) 2007-2014 IOLA and Ole Laursen. 
-Licensed under the MIT license. 
- 
-*/ 
-(function(a){function e(h){var k,j=this,l=h.data||{};if(l.elem)j=h.dragTarget=l.elem,h.dragProxy=d.proxy||j,h.cursorOffsetX=l.pageX-l.left,h.cursorOffsetY=l.pageY-l.top,h.offsetX=h.pageX-h.cursorOffsetX,h.offsetY=h.pageY-h.cursorOffsetY;else if(d.dragging||l.which>0&&h.which!=l.which||a(h.target).is(l.not))return;switch(h.type){case"mousedown":return a.extend(l,a(j).offset(),{elem:j,target:h.target,pageX:h.pageX,pageY:h.pageY}),b.add(document,"mousemove mouseup",e,l),i(j,!1),d.dragging=null,!1;case!d.dragging&&"mousemove":if(g(h.pageX-l.pageX)+g(h.pageY-l.pageY)<l.distance)break;h.target=l.target,k=f(h,"dragstart",j),k!==!1&&(d.dragging=j,d.proxy=h.dragProxy=a(k||j)[0]);case"mousemove":if(d.dragging){if(k=f(h,"drag",j),c.drop&&(c.drop.allowed=k!==!1,c.drop.handler(h)),k!==!1)break;h.type="mouseup"}case"mouseup":b.remove(document,"mousemove mouseup",e),d.dragging&&(c.drop&&c.drop.handler(h),f(h,"dragend",j)),i(j,!0),d.dragging=d.proxy=l.elem=!1}return!0}function f(b,c,d){b.type=c;var e=a.event.dispatch.call(d,b);return e===!1?!1:e||b.result}function g(a){return Math.pow(a,2)}function h(){return d.dragging===!1}function i(a,b){a&&(a.unselectable=b?"off":"on",a.onselectstart=function(){return b},a.style&&(a.style.MozUserSelect=b?"":"none"))}a.fn.drag=function(a,b,c){return b&&this.bind("dragstart",a),c&&this.bind("dragend",c),a?this.bind("drag",b?b:a):this.trigger("drag")};var b=a.event,c=b.special,d=c.drag={not:":input",distance:0,which:1,dragging:!1,setup:function(c){c=a.extend({distance:d.distance,which:d.which,not:d.not},c||{}),c.distance=g(c.distance),b.add(this,"mousedown",e,c),this.attachEvent&&this.attachEvent("ondragstart",h)},teardown:function(){b.remove(this,"mousedown",e),this===d.dragging&&(d.dragging=d.proxy=!1),i(this,!0),this.detachEvent&&this.detachEvent("ondragstart",h)}};c.dragstart=c.dragend={setup:function(){},teardown:function(){}}})(jQuery);(function(d){function e(a){var b=a||window.event,c=[].slice.call(arguments,1),f=0,e=0,g=0,a=d.event.fix(b);a.type="mousewheel";b.wheelDelta&&(f=b.wheelDelta/120);b.detail&&(f=-b.detail/3);g=f;void 0!==b.axis&&b.axis===b.HORIZONTAL_AXIS&&(g=0,e=-1*f);void 0!==b.wheelDeltaY&&(g=b.wheelDeltaY/120);void 0!==b.wheelDeltaX&&(e=-1*b.wheelDeltaX/120);c.unshift(a,f,e,g);return(d.event.dispatch||d.event.handle).apply(this,c)}var c=["DOMMouseScroll","mousewheel"];if(d.event.fixHooks)for(var h=c.length;h;)d.event.fixHooks[c[--h]]=d.event.mouseHooks;d.event.special.mousewheel={setup:function(){if(this.addEventListener)for(var a=c.length;a;)this.addEventListener(c[--a],e,!1);else this.onmousewheel=e},teardown:function(){if(this.removeEventListener)for(var a=c.length;a;)this.removeEventListener(c[--a],e,!1);else this.onmousewheel=null}};d.fn.extend({mousewheel:function(a){return a?this.bind("mousewheel",a):this.trigger("mousewheel")},unmousewheel:function(a){return this.unbind("mousewheel",a)}})})(jQuery);(function($){var options={xaxis:{zoomRange:null,panRange:null},zoom:{interactive:false,trigger:"dblclick",amount:1.5},pan:{interactive:false,cursor:"move",frameRate:20}};function init(plot){function onZoomClick(e,zoomOut){var c=plot.offset();c.left=e.pageX-c.left;c.top=e.pageY-c.top;if(zoomOut)plot.zoomOut({center:c});else plot.zoom({center:c})}function onMouseWheel(e,delta){e.preventDefault();onZoomClick(e,delta<0);return false}var prevCursor="default",prevPageX=0,prevPageY=0,panTimeout=null;function onDragStart(e){if(e.which!=1)return false;var c=plot.getPlaceholder().css("cursor");if(c)prevCursor=c;plot.getPlaceholder().css("cursor",plot.getOptions().pan.cursor);prevPageX=e.pageX;prevPageY=e.pageY}function onDrag(e){var frameRate=plot.getOptions().pan.frameRate;if(panTimeout||!frameRate)return;panTimeout=setTimeout(function(){plot.pan({left:prevPageX-e.pageX,top:prevPageY-e.pageY});prevPageX=e.pageX;prevPageY=e.pageY;panTimeout=null},1/frameRate*1e3)}function onDragEnd(e){if(panTimeout){clearTimeout(panTimeout);panTimeout=null}plot.getPlaceholder().css("cursor",prevCursor);plot.pan({left:prevPageX-e.pageX,top:prevPageY-e.pageY})}function bindEvents(plot,eventHolder){var o=plot.getOptions();if(o.zoom.interactive){eventHolder[o.zoom.trigger](onZoomClick);eventHolder.mousewheel(onMouseWheel)}if(o.pan.interactive){eventHolder.bind("dragstart",{distance:10},onDragStart);eventHolder.bind("drag",onDrag);eventHolder.bind("dragend",onDragEnd)}}plot.zoomOut=function(args){if(!args)args={};if(!args.amount)args.amount=plot.getOptions().zoom.amount;args.amount=1/args.amount;plot.zoom(args)};plot.zoom=function(args){if(!args)args={};var c=args.center,amount=args.amount||plot.getOptions().zoom.amount,w=plot.width(),h=plot.height();if(!c)c={left:w/2,top:h/2};var xf=c.left/w,yf=c.top/h,minmax={x:{min:c.left-xf*w/amount,max:c.left+(1-xf)*w/amount},y:{min:c.top-yf*h/amount,max:c.top+(1-yf)*h/amount}};$.each(plot.getAxes(),function(_,axis){var opts=axis.options,min=minmax[axis.direction].min,max=minmax[axis.direction].max,zr=opts.zoomRange,pr=opts.panRange;if(zr===false)return;min=axis.c2p(min);max=axis.c2p(max);if(min>max){var tmp=min;min=max;max=tmp}if(pr){if(pr[0]!=null&&min<pr[0]){min=pr[0]}if(pr[1]!=null&&max>pr[1]){max=pr[1]}}var range=max-min;if(zr&&(zr[0]!=null&&range<zr[0]&&amount>1||zr[1]!=null&&range>zr[1]&&amount<1))return;opts.min=min;opts.max=max});plot.setupGrid();plot.draw();if(!args.preventEvent)plot.getPlaceholder().trigger("plotzoom",[plot,args])};plot.pan=function(args){var delta={x:+args.left,y:+args.top};if(isNaN(delta.x))delta.x=0;if(isNaN(delta.y))delta.y=0;$.each(plot.getAxes(),function(_,axis){var opts=axis.options,min,max,d=delta[axis.direction];min=axis.c2p(axis.p2c(axis.min)+d),max=axis.c2p(axis.p2c(axis.max)+d);var pr=opts.panRange;if(pr===false)return;if(pr){if(pr[0]!=null&&pr[0]>min){d=pr[0]-min;min+=d;max+=d}if(pr[1]!=null&&pr[1]<max){d=pr[1]-max;min+=d;max+=d}}opts.min=min;opts.max=max});plot.setupGrid();plot.draw();if(!args.preventEvent)plot.getPlaceholder().trigger("plotpan",[plot,args])};function shutdown(plot,eventHolder){eventHolder.unbind(plot.getOptions().zoom.trigger,onZoomClick);eventHolder.unbind("mousewheel",onMouseWheel);eventHolder.unbind("dragstart",onDragStart);eventHolder.unbind("drag",onDrag);eventHolder.unbind("dragend",onDragEnd);if(panTimeout)clearTimeout(panTimeout)}plot.hooks.bindEvents.push(bindEvents);plot.hooks.shutdown.push(shutdown)}$.plot.plugins.push({init:init,options:options,name:"navigate",version:"1.3"})})(jQuery); 
+/* Javascript plotting library for jQuery, version 0.8.3.
+
+Copyright (c) 2007-2014 IOLA and Ole Laursen.
+Licensed under the MIT license.
+
+*/
+(function(a){function e(h){var k,j=this,l=h.data||{};if(l.elem)j=h.dragTarget=l.elem,h.dragProxy=d.proxy||j,h.cursorOffsetX=l.pageX-l.left,h.cursorOffsetY=l.pageY-l.top,h.offsetX=h.pageX-h.cursorOffsetX,h.offsetY=h.pageY-h.cursorOffsetY;else if(d.dragging||l.which>0&&h.which!=l.which||a(h.target).is(l.not))return;switch(h.type){case"mousedown":return a.extend(l,a(j).offset(),{elem:j,target:h.target,pageX:h.pageX,pageY:h.pageY}),b.add(document,"mousemove mouseup",e,l),i(j,!1),d.dragging=null,!1;case!d.dragging&&"mousemove":if(g(h.pageX-l.pageX)+g(h.pageY-l.pageY)<l.distance)break;h.target=l.target,k=f(h,"dragstart",j),k!==!1&&(d.dragging=j,d.proxy=h.dragProxy=a(k||j)[0]);case"mousemove":if(d.dragging){if(k=f(h,"drag",j),c.drop&&(c.drop.allowed=k!==!1,c.drop.handler(h)),k!==!1)break;h.type="mouseup"}case"mouseup":b.remove(document,"mousemove mouseup",e),d.dragging&&(c.drop&&c.drop.handler(h),f(h,"dragend",j)),i(j,!0),d.dragging=d.proxy=l.elem=!1}return!0}function f(b,c,d){b.type=c;var e=a.event.dispatch.call(d,b);return e===!1?!1:e||b.result}function g(a){return Math.pow(a,2)}function h(){return d.dragging===!1}function i(a,b){a&&(a.unselectable=b?"off":"on",a.onselectstart=function(){return b},a.style&&(a.style.MozUserSelect=b?"":"none"))}a.fn.drag=function(a,b,c){return b&&this.bind("dragstart",a),c&&this.bind("dragend",c),a?this.bind("drag",b?b:a):this.trigger("drag")};var b=a.event,c=b.special,d=c.drag={not:":input",distance:0,which:1,dragging:!1,setup:function(c){c=a.extend({distance:d.distance,which:d.which,not:d.not},c||{}),c.distance=g(c.distance),b.add(this,"mousedown",e,c),this.attachEvent&&this.attachEvent("ondragstart",h)},teardown:function(){b.remove(this,"mousedown",e),this===d.dragging&&(d.dragging=d.proxy=!1),i(this,!0),this.detachEvent&&this.detachEvent("ondragstart",h)}};c.dragstart=c.dragend={setup:function(){},teardown:function(){}}})(jQuery);(function(d){function e(a){var b=a||window.event,c=[].slice.call(arguments,1),f=0,e=0,g=0,a=d.event.fix(b);a.type="mousewheel";b.wheelDelta&&(f=b.wheelDelta/120);b.detail&&(f=-b.detail/3);g=f;void 0!==b.axis&&b.axis===b.HORIZONTAL_AXIS&&(g=0,e=-1*f);void 0!==b.wheelDeltaY&&(g=b.wheelDeltaY/120);void 0!==b.wheelDeltaX&&(e=-1*b.wheelDeltaX/120);c.unshift(a,f,e,g);return(d.event.dispatch||d.event.handle).apply(this,c)}var c=["DOMMouseScroll","mousewheel"];if(d.event.fixHooks)for(var h=c.length;h;)d.event.fixHooks[c[--h]]=d.event.mouseHooks;d.event.special.mousewheel={setup:function(){if(this.addEventListener)for(var a=c.length;a;)this.addEventListener(c[--a],e,!1);else this.onmousewheel=e},teardown:function(){if(this.removeEventListener)for(var a=c.length;a;)this.removeEventListener(c[--a],e,!1);else this.onmousewheel=null}};d.fn.extend({mousewheel:function(a){return a?this.bind("mousewheel",a):this.trigger("mousewheel")},unmousewheel:function(a){return this.unbind("mousewheel",a)}})})(jQuery);(function($){var options={xaxis:{zoomRange:null,panRange:null},zoom:{interactive:false,trigger:"dblclick",amount:1.5},pan:{interactive:false,cursor:"move",frameRate:20}};function init(plot){function onZoomClick(e,zoomOut){var c=plot.offset();c.left=e.pageX-c.left;c.top=e.pageY-c.top;if(zoomOut)plot.zoomOut({center:c});else plot.zoom({center:c})}function onMouseWheel(e,delta){e.preventDefault();onZoomClick(e,delta<0);return false}var prevCursor="default",prevPageX=0,prevPageY=0,panTimeout=null;function onDragStart(e){if(e.which!=1)return false;var c=plot.getPlaceholder().css("cursor");if(c)prevCursor=c;plot.getPlaceholder().css("cursor",plot.getOptions().pan.cursor);prevPageX=e.pageX;prevPageY=e.pageY}function onDrag(e){var frameRate=plot.getOptions().pan.frameRate;if(panTimeout||!frameRate)return;panTimeout=setTimeout(function(){plot.pan({left:prevPageX-e.pageX,top:prevPageY-e.pageY});prevPageX=e.pageX;prevPageY=e.pageY;panTimeout=null},1/frameRate*1e3)}function onDragEnd(e){if(panTimeout){clearTimeout(panTimeout);panTimeout=null}plot.getPlaceholder().css("cursor",prevCursor);plot.pan({left:prevPageX-e.pageX,top:prevPageY-e.pageY})}function bindEvents(plot,eventHolder){var o=plot.getOptions();if(o.zoom.interactive){eventHolder[o.zoom.trigger](onZoomClick);eventHolder.mousewheel(onMouseWheel)}if(o.pan.interactive){eventHolder.bind("dragstart",{distance:10},onDragStart);eventHolder.bind("drag",onDrag);eventHolder.bind("dragend",onDragEnd)}}plot.zoomOut=function(args){if(!args)args={};if(!args.amount)args.amount=plot.getOptions().zoom.amount;args.amount=1/args.amount;plot.zoom(args)};plot.zoom=function(args){if(!args)args={};var c=args.center,amount=args.amount||plot.getOptions().zoom.amount,w=plot.width(),h=plot.height();if(!c)c={left:w/2,top:h/2};var xf=c.left/w,yf=c.top/h,minmax={x:{min:c.left-xf*w/amount,max:c.left+(1-xf)*w/amount},y:{min:c.top-yf*h/amount,max:c.top+(1-yf)*h/amount}};$.each(plot.getAxes(),function(_,axis){var opts=axis.options,min=minmax[axis.direction].min,max=minmax[axis.direction].max,zr=opts.zoomRange,pr=opts.panRange;if(zr===false)return;min=axis.c2p(min);max=axis.c2p(max);if(min>max){var tmp=min;min=max;max=tmp}if(pr){if(pr[0]!=null&&min<pr[0]){min=pr[0]}if(pr[1]!=null&&max>pr[1]){max=pr[1]}}var range=max-min;if(zr&&(zr[0]!=null&&range<zr[0]&&amount>1||zr[1]!=null&&range>zr[1]&&amount<1))return;opts.min=min;opts.max=max});plot.setupGrid();plot.draw();if(!args.preventEvent)plot.getPlaceholder().trigger("plotzoom",[plot,args])};plot.pan=function(args){var delta={x:+args.left,y:+args.top};if(isNaN(delta.x))delta.x=0;if(isNaN(delta.y))delta.y=0;$.each(plot.getAxes(),function(_,axis){var opts=axis.options,min,max,d=delta[axis.direction];min=axis.c2p(axis.p2c(axis.min)+d),max=axis.c2p(axis.p2c(axis.max)+d);var pr=opts.panRange;if(pr===false)return;if(pr){if(pr[0]!=null&&pr[0]>min){d=pr[0]-min;min+=d;max+=d}if(pr[1]!=null&&pr[1]<max){d=pr[1]-max;min+=d;max+=d}}opts.min=min;opts.max=max});plot.setupGrid();plot.draw();if(!args.preventEvent)plot.getPlaceholder().trigger("plotpan",[plot,args])};function shutdown(plot,eventHolder){eventHolder.unbind(plot.getOptions().zoom.trigger,onZoomClick);eventHolder.unbind("mousewheel",onMouseWheel);eventHolder.unbind("dragstart",onDragStart);eventHolder.unbind("drag",onDrag);eventHolder.unbind("dragend",onDragEnd);if(panTimeout)clearTimeout(panTimeout)}plot.hooks.bindEvents.push(bindEvents);plot.hooks.shutdown.push(shutdown)}$.plot.plugins.push({init:init,options:options,name:"navigate",version:"1.3"})})(jQuery);
diff --git a/library/cpp/lwtrace/mon/static/js/jquery.flot.selection.min.js b/library/cpp/lwtrace/mon/static/js/jquery.flot.selection.min.js
index da6185b1ef..a0154fbc5b 100644
--- a/library/cpp/lwtrace/mon/static/js/jquery.flot.selection.min.js
+++ b/library/cpp/lwtrace/mon/static/js/jquery.flot.selection.min.js
@@ -1,7 +1,7 @@
-/* Javascript plotting library for jQuery, version 0.8.3. 
- 
-Copyright (c) 2007-2014 IOLA and Ole Laursen. 
-Licensed under the MIT license. 
- 
-*/ 
-(function($){function init(plot){var selection={first:{x:-1,y:-1},second:{x:-1,y:-1},show:false,active:false};var savedhandlers={};var mouseUpHandler=null;function onMouseMove(e){if(selection.active){updateSelection(e);plot.getPlaceholder().trigger("plotselecting",[getSelection()])}}function onMouseDown(e){if(e.which!=1)return;document.body.focus();if(document.onselectstart!==undefined&&savedhandlers.onselectstart==null){savedhandlers.onselectstart=document.onselectstart;document.onselectstart=function(){return false}}if(document.ondrag!==undefined&&savedhandlers.ondrag==null){savedhandlers.ondrag=document.ondrag;document.ondrag=function(){return false}}setSelectionPos(selection.first,e);selection.active=true;mouseUpHandler=function(e){onMouseUp(e)};$(document).one("mouseup",mouseUpHandler)}function 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+/* Javascript plotting library for jQuery, version 0.8.3.
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+
+*/
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diff --git a/library/cpp/lwtrace/mon/static/js/jquery.min.js b/library/cpp/lwtrace/mon/static/js/jquery.min.js
index c82a235fee..ee48790811 100644
--- a/library/cpp/lwtrace/mon/static/js/jquery.min.js
+++ b/library/cpp/lwtrace/mon/static/js/jquery.min.js
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pass=document.getElementsByName&&document.getElementsByName(expando).length===2+document.getElementsByName(expando+0).length;assertGetIdNotName=!document.getElementById(expando);docElem.removeChild(div);return pass});try{slice.call(docElem.childNodes,0)[0].nodeType}catch(e){slice=function(i){var elem,results=[];for(;elem=this[i];i++){results.push(elem)}return results}}function Sizzle(selector,context,results,seed){results=results||[];context=context||document;var match,elem,xml,m,nodeType=context.nodeType;if(!selector||typeof selector!=="string"){return results}if(nodeType!==1&&nodeType!==9){return[]}xml=isXML(context);if(!xml&&!seed){if(match=rquickExpr.exec(selector)){if(m=match[1]){if(nodeType===9){elem=context.getElementById(m);if(elem&&elem.parentNode){if(elem.id===m){results.push(elem);return results}}else{return results}}else{if(context.ownerDocument&&(elem=context.ownerDocument.getElementById(m))&&contains(context,elem)&&elem.id===m){results.push(elem);return results}}}else if(match[2]){push.apply(results,slice.call(context.getElementsByTagName(selector),0));return results}else if((m=match[3])&&assertUsableClassName&&context.getElementsByClassName){push.apply(results,slice.call(context.getElementsByClassName(m),0));return results}}}return select(selector.replace(rtrim,"$1"),context,results,seed,xml)}Sizzle.matches=function(expr,elements){return Sizzle(expr,null,null,elements)};Sizzle.matchesSelector=function(elem,expr){return Sizzle(expr,null,null,[elem]).length>0};function createInputPseudo(type){return function(elem){var name=elem.nodeName.toLowerCase();return name==="input"&&elem.type===type}}function createButtonPseudo(type){return function(elem){var name=elem.nodeName.toLowerCase();return(name==="input"||name==="button")&&elem.type===type}}function createPositionalPseudo(fn){return markFunction(function(argument){argument=+argument;return markFunction(function(seed,matches){var j,matchIndexes=fn([],seed.length,argument),i=matchIndexes.length;while(i--){if(seed[j=matchIndexes[i]]){seed[j]=!(matches[j]=seed[j])}}})})}getText=Sizzle.getText=function(elem){var node,ret="",i=0,nodeType=elem.nodeType;if(nodeType){if(nodeType===1||nodeType===9||nodeType===11){if(typeof elem.textContent==="string"){return elem.textContent}else{for(elem=elem.firstChild;elem;elem=elem.nextSibling){ret+=getText(elem)}}}else if(nodeType===3||nodeType===4){return elem.nodeValue}}else{for(;node=elem[i];i++){ret+=getText(node)}}return ret};isXML=Sizzle.isXML=function(elem){var documentElement=elem&&(elem.ownerDocument||elem).documentElement;return documentElement?documentElement.nodeName!=="HTML":false};contains=Sizzle.contains=docElem.contains?function(a,b){var adown=a.nodeType===9?a.documentElement:a,bup=b&&b.parentNode;return a===bup||!!(bup&&bup.nodeType===1&&adown.contains&&adown.contains(bup))}:docElem.compareDocumentPosition?function(a,b){return b&&!!(a.compareDocumentPosition(b)&16)}:function(a,b){while(b=b.parentNode){if(b===a){return true}}return false};Sizzle.attr=function(elem,name){var val,xml=isXML(elem);if(!xml){name=name.toLowerCase()}if(val=Expr.attrHandle[name]){return val(elem)}if(xml||assertAttributes){return elem.getAttribute(name)}val=elem.getAttributeNode(name);return val?typeof elem[name]==="boolean"?elem[name]?name:null:val.specified?val.value:null:null};Expr=Sizzle.selectors={cacheLength:50,createPseudo:markFunction,match:matchExpr,attrHandle:assertHrefNotNormalized?{}:{href:function(elem){return elem.getAttribute("href",2)},type:function(elem){return elem.getAttribute("type")}},find:{ID:assertGetIdNotName?function(id,context,xml){if(typeof context.getElementById!==strundefined&&!xml){var m=context.getElementById(id);return m&&m.parentNode?[m]:[]}}:function(id,context,xml){if(typeof context.getElementById!==strundefined&&!xml){var m=context.getElementById(id);return m?m.id===id||typeof m.getAttributeNode!==strundefined&&m.getAttributeNode("id").value===id?[m]:undefined:[]}},TAG:assertTagNameNoComments?function(tag,context){if(typeof context.getElementsByTagName!==strundefined){return context.getElementsByTagName(tag)}}:function(tag,context){var results=context.getElementsByTagName(tag);if(tag==="*"){var elem,tmp=[],i=0;for(;elem=results[i];i++){if(elem.nodeType===1){tmp.push(elem)}}return tmp}return results},NAME:assertUsableName&&function(tag,context){if(typeof context.getElementsByName!==strundefined){return context.getElementsByName(name)}},CLASS:assertUsableClassName&&function(className,context,xml){if(typeof context.getElementsByClassName!==strundefined&&!xml){return context.getElementsByClassName(className)}}},relative:{">":{dir:"parentNode",first:true}," ":{dir:"parentNode"},"+":{dir:"previousSibling",first:true},"~":{dir:"previousSibling"}},preFilter:{ATTR:function(match){match[1]=match[1].replace(rbackslash,"");match[3]=(match[4]||match[5]||"").replace(rbackslash,"");if(match[2]==="~="){match[3]=" "+match[3]+" "}return match.slice(0,4)},CHILD:function(match){match[1]=match[1].toLowerCase();if(match[1]==="nth"){if(!match[2]){Sizzle.error(match[0])}match[3]=+(match[3]?match[4]+(match[5]||1):2*(match[2]==="even"||match[2]==="odd"));match[4]=+(match[6]+match[7]||match[2]==="odd")}else if(match[2]){Sizzle.error(match[0])}return match},PSEUDO:function(match){var unquoted,excess;if(matchExpr["CHILD"].test(match[0])){return null}if(match[3]){match[2]=match[3]}else if(unquoted=match[4]){if(rpseudo.test(unquoted)&&(excess=tokenize(unquoted,true))&&(excess=unquoted.indexOf(")",unquoted.length-excess)-unquoted.length)){unquoted=unquoted.slice(0,excess);match[0]=match[0].slice(0,excess)}match[2]=unquoted}return match.slice(0,3)}},filter:{ID:assertGetIdNotName?function(id){id=id.replace(rbackslash,"");return function(elem){return elem.getAttribute("id")===id}}:function(id){id=id.replace(rbackslash,"");return function(elem){var node=typeof elem.getAttributeNode!==strundefined&&elem.getAttributeNode("id");return node&&node.value===id}},TAG:function(nodeName){if(nodeName==="*"){return function(){return true}}nodeName=nodeName.replace(rbackslash,"").toLowerCase();return function(elem){return elem.nodeName&&elem.nodeName.toLowerCase()===nodeName}},CLASS:function(className){var pattern=classCache[expando][className+" "];return pattern||(pattern=new RegExp("(^|"+whitespace+")"+className+"("+whitespace+"|$)"))&&classCache(className,function(elem){return pattern.test(elem.className||typeof elem.getAttribute!==strundefined&&elem.getAttribute("class")||"")})},ATTR:function(name,operator,check){return function(elem,context){var result=Sizzle.attr(elem,name);if(result==null){return operator==="!="}if(!operator){return true}result+="";return operator==="="?result===check:operator==="!="?result!==check:operator==="^="?check&&result.indexOf(check)===0:operator==="*="?check&&result.indexOf(check)>-1:operator==="$="?check&&result.substr(result.length-check.length)===check:operator==="~="?(" "+result+" ").indexOf(check)>-1:operator==="|="?result===check||result.substr(0,check.length+1)===check+"-":false}},CHILD:function(type,argument,first,last){if(type==="nth"){return function(elem){var node,diff,parent=elem.parentNode;if(first===1&&last===0){return true}if(parent){diff=0;for(node=parent.firstChild;node;node=node.nextSibling){if(node.nodeType===1){diff++; 
-if(elem===node){break}}}}diff-=last;return diff===first||diff%first===0&&diff/first>=0}}return function(elem){var node=elem;switch(type){case"only":case"first":while(node=node.previousSibling){if(node.nodeType===1){return false}}if(type==="first"){return true}node=elem;case"last":while(node=node.nextSibling){if(node.nodeType===1){return false}}return true}}},PSEUDO:function(pseudo,argument){var args,fn=Expr.pseudos[pseudo]||Expr.setFilters[pseudo.toLowerCase()]||Sizzle.error("unsupported pseudo: "+pseudo);if(fn[expando]){return fn(argument)}if(fn.length>1){args=[pseudo,pseudo,"",argument];return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase())?markFunction(function(seed,matches){var idx,matched=fn(seed,argument),i=matched.length;while(i--){idx=indexOf.call(seed,matched[i]);seed[idx]=!(matches[idx]=matched[i])}}):function(elem){return fn(elem,0,args)}}return fn}},pseudos:{not:markFunction(function(selector){var input=[],results=[],matcher=compile(selector.replace(rtrim,"$1"));return matcher[expando]?markFunction(function(seed,matches,context,xml){var elem,unmatched=matcher(seed,null,xml,[]),i=seed.length;while(i--){if(elem=unmatched[i]){seed[i]=!(matches[i]=elem)}}}):function(elem,context,xml){input[0]=elem;matcher(input,null,xml,results);return!results.pop()}}),has:markFunction(function(selector){return function(elem){return Sizzle(selector,elem).length>0}}),contains:markFunction(function(text){return function(elem){return(elem.textContent||elem.innerText||getText(elem)).indexOf(text)>-1}}),enabled:function(elem){return elem.disabled===false},disabled:function(elem){return elem.disabled===true},checked:function(elem){var nodeName=elem.nodeName.toLowerCase();return nodeName==="input"&&!!elem.checked||nodeName==="option"&&!!elem.selected},selected:function(elem){if(elem.parentNode){elem.parentNode.selectedIndex}return elem.selected===true},parent:function(elem){return!Expr.pseudos["empty"](elem)},empty:function(elem){var nodeType;elem=elem.firstChild;while(elem){if(elem.nodeName>"@"||(nodeType=elem.nodeType)===3||nodeType===4){return false}elem=elem.nextSibling}return true},header:function(elem){return rheader.test(elem.nodeName)},text:function(elem){var type,attr;return elem.nodeName.toLowerCase()==="input"&&(type=elem.type)==="text"&&((attr=elem.getAttribute("type"))==null||attr.toLowerCase()===type)},radio:createInputPseudo("radio"),checkbox:createInputPseudo("checkbox"),file:createInputPseudo("file"),password:createInputPseudo("password"),image:createInputPseudo("image"),submit:createButtonPseudo("submit"),reset:createButtonPseudo("reset"),button:function(elem){var name=elem.nodeName.toLowerCase();return name==="input"&&elem.type==="button"||name==="button"},input:function(elem){return rinputs.test(elem.nodeName)},focus:function(elem){var doc=elem.ownerDocument;return elem===doc.activeElement&&(!doc.hasFocus||doc.hasFocus())&&!!(elem.type||elem.href||~elem.tabIndex)},active:function(elem){return elem===elem.ownerDocument.activeElement},first:createPositionalPseudo(function(){return[0]}),last:createPositionalPseudo(function(matchIndexes,length){return[length-1]}),eq:createPositionalPseudo(function(matchIndexes,length,argument){return[argument<0?argument+length:argument]}),even:createPositionalPseudo(function(matchIndexes,length){for(var i=0;i<length;i+=2){matchIndexes.push(i)}return matchIndexes}),odd:createPositionalPseudo(function(matchIndexes,length){for(var i=1;i<length;i+=2){matchIndexes.push(i)}return matchIndexes}),lt:createPositionalPseudo(function(matchIndexes,length,argument){for(var i=argument<0?argument+length:argument;--i>=0;){matchIndexes.push(i)}return matchIndexes}),gt:createPositionalPseudo(function(matchIndexes,length,argument){for(var i=argument<0?argument+length:argument;++i<length;){matchIndexes.push(i)}return matchIndexes})}};function siblingCheck(a,b,ret){if(a===b){return ret}var cur=a.nextSibling;while(cur){if(cur===b){return-1}cur=cur.nextSibling}return 1}sortOrder=docElem.compareDocumentPosition?function(a,b){if(a===b){hasDuplicate=true;return 0}return(!a.compareDocumentPosition||!b.compareDocumentPosition?a.compareDocumentPosition:a.compareDocumentPosition(b)&4)?-1:1}:function(a,b){if(a===b){hasDuplicate=true;return 0}else if(a.sourceIndex&&b.sourceIndex){return a.sourceIndex-b.sourceIndex}var al,bl,ap=[],bp=[],aup=a.parentNode,bup=b.parentNode,cur=aup;if(aup===bup){return siblingCheck(a,b)}else if(!aup){return-1}else if(!bup){return 1}while(cur){ap.unshift(cur);cur=cur.parentNode}cur=bup;while(cur){bp.unshift(cur);cur=cur.parentNode}al=ap.length;bl=bp.length;for(var i=0;i<al&&i<bl;i++){if(ap[i]!==bp[i]){return siblingCheck(ap[i],bp[i])}}return i===al?siblingCheck(a,bp[i],-1):siblingCheck(ap[i],b,1)};[0,0].sort(sortOrder);baseHasDuplicate=!hasDuplicate;Sizzle.uniqueSort=function(results){var elem,duplicates=[],i=1,j=0;hasDuplicate=baseHasDuplicate;results.sort(sortOrder);if(hasDuplicate){for(;elem=results[i];i++){if(elem===results[i-1]){j=duplicates.push(i)}}while(j--){results.splice(duplicates[j],1)}}return results};Sizzle.error=function(msg){throw new Error("Syntax error, unrecognized expression: "+msg)};function tokenize(selector,parseOnly){var matched,match,tokens,type,soFar,groups,preFilters,cached=tokenCache[expando][selector+" "];if(cached){return parseOnly?0:cached.slice(0)}soFar=selector;groups=[];preFilters=Expr.preFilter;while(soFar){if(!matched||(match=rcomma.exec(soFar))){if(match){soFar=soFar.slice(match[0].length)||soFar}groups.push(tokens=[])}matched=false;if(match=rcombinators.exec(soFar)){tokens.push(matched=new Token(match.shift()));soFar=soFar.slice(matched.length);matched.type=match[0].replace(rtrim," ")}for(type in Expr.filter){if((match=matchExpr[type].exec(soFar))&&(!preFilters[type]||(match=preFilters[type](match)))){tokens.push(matched=new Token(match.shift()));soFar=soFar.slice(matched.length);matched.type=type;matched.matches=match}}if(!matched){break}}return parseOnly?soFar.length:soFar?Sizzle.error(selector):tokenCache(selector,groups).slice(0)}function addCombinator(matcher,combinator,base){var dir=combinator.dir,checkNonElements=base&&combinator.dir==="parentNode",doneName=done++;return combinator.first?function(elem,context,xml){while(elem=elem[dir]){if(checkNonElements||elem.nodeType===1){return matcher(elem,context,xml)}}}:function(elem,context,xml){if(!xml){var cache,dirkey=dirruns+" "+doneName+" ",cachedkey=dirkey+cachedruns;while(elem=elem[dir]){if(checkNonElements||elem.nodeType===1){if((cache=elem[expando])===cachedkey){return elem.sizset}else if(typeof cache==="string"&&cache.indexOf(dirkey)===0){if(elem.sizset){return elem}}else{elem[expando]=cachedkey;if(matcher(elem,context,xml)){elem.sizset=true;return elem}elem.sizset=false}}}}else{while(elem=elem[dir]){if(checkNonElements||elem.nodeType===1){if(matcher(elem,context,xml)){return elem}}}}}}function elementMatcher(matchers){return matchers.length>1?function(elem,context,xml){var i=matchers.length;while(i--){if(!matchers[i](elem,context,xml)){return false}}return true}:matchers[0]}function condense(unmatched,map,filter,context,xml){var elem,newUnmatched=[],i=0,len=unmatched.length,mapped=map!=null;for(;i<len;i++){if(elem=unmatched[i]){if(!filter||filter(elem,context,xml)){newUnmatched.push(elem);if(mapped){map.push(i)}}}}return newUnmatched}function setMatcher(preFilter,selector,matcher,postFilter,postFinder,postSelector){if(postFilter&&!postFilter[expando]){postFilter=setMatcher(postFilter)}if(postFinder&&!postFinder[expando]){postFinder=setMatcher(postFinder,postSelector)}return markFunction(function(seed,results,context,xml){var temp,i,elem,preMap=[],postMap=[],preexisting=results.length,elems=seed||multipleContexts(selector||"*",context.nodeType?[context]:context,[]),matcherIn=preFilter&&(seed||!selector)?condense(elems,preMap,preFilter,context,xml):elems,matcherOut=matcher?postFinder||(seed?preFilter:preexisting||postFilter)?[]:results:matcherIn;if(matcher){matcher(matcherIn,matcherOut,context,xml)}if(postFilter){temp=condense(matcherOut,postMap);postFilter(temp,[],context,xml);i=temp.length;while(i--){if(elem=temp[i]){matcherOut[postMap[i]]=!(matcherIn[postMap[i]]=elem)}}}if(seed){if(postFinder||preFilter){if(postFinder){temp=[];i=matcherOut.length;while(i--){if(elem=matcherOut[i]){temp.push(matcherIn[i]=elem)}}postFinder(null,matcherOut=[],temp,xml)}i=matcherOut.length;while(i--){if((elem=matcherOut[i])&&(temp=postFinder?indexOf.call(seed,elem):preMap[i])>-1){seed[temp]=!(results[temp]=elem)}}}}else{matcherOut=condense(matcherOut===results?matcherOut.splice(preexisting,matcherOut.length):matcherOut);if(postFinder){postFinder(null,results,matcherOut,xml)}else{push.apply(results,matcherOut)}}})}function matcherFromTokens(tokens){var checkContext,matcher,j,len=tokens.length,leadingRelative=Expr.relative[tokens[0].type],implicitRelative=leadingRelative||Expr.relative[" "],i=leadingRelative?1:0,matchContext=addCombinator(function(elem){return elem===checkContext},implicitRelative,true),matchAnyContext=addCombinator(function(elem){return indexOf.call(checkContext,elem)>-1},implicitRelative,true),matchers=[function(elem,context,xml){return!leadingRelative&&(xml||context!==outermostContext)||((checkContext=context).nodeType?matchContext(elem,context,xml):matchAnyContext(elem,context,xml))}];for(;i<len;i++){if(matcher=Expr.relative[tokens[i].type]){matchers=[addCombinator(elementMatcher(matchers),matcher)]}else{matcher=Expr.filter[tokens[i].type].apply(null,tokens[i].matches);if(matcher[expando]){j=++i;for(;j<len;j++){if(Expr.relative[tokens[j].type]){break}}return setMatcher(i>1&&elementMatcher(matchers),i>1&&tokens.slice(0,i-1).join("").replace(rtrim,"$1"),matcher,i<j&&matcherFromTokens(tokens.slice(i,j)),j<len&&matcherFromTokens(tokens=tokens.slice(j)),j<len&&tokens.join(""))}matchers.push(matcher)}}return elementMatcher(matchers)}function matcherFromGroupMatchers(elementMatchers,setMatchers){var bySet=setMatchers.length>0,byElement=elementMatchers.length>0,superMatcher=function(seed,context,xml,results,expandContext){var elem,j,matcher,setMatched=[],matchedCount=0,i="0",unmatched=seed&&[],outermost=expandContext!=null,contextBackup=outermostContext,elems=seed||byElement&&Expr.find["TAG"]("*",expandContext&&context.parentNode||context),dirrunsUnique=dirruns+=contextBackup==null?1:Math.E;if(outermost){outermostContext=context!==document&&context;cachedruns=superMatcher.el}for(;(elem=elems[i])!=null;i++){if(byElement&&elem){for(j=0;matcher=elementMatchers[j];j++){if(matcher(elem,context,xml)){results.push(elem);break}}if(outermost){dirruns=dirrunsUnique;cachedruns=++superMatcher.el}}if(bySet){if(elem=!matcher&&elem){matchedCount--}if(seed){unmatched.push(elem)}}}matchedCount+=i;if(bySet&&i!==matchedCount){for(j=0;matcher=setMatchers[j];j++){matcher(unmatched,setMatched,context,xml)}if(seed){if(matchedCount>0){while(i--){if(!(unmatched[i]||setMatched[i])){setMatched[i]=pop.call(results)}}}setMatched=condense(setMatched)}push.apply(results,setMatched);if(outermost&&!seed&&setMatched.length>0&&matchedCount+setMatchers.length>1){Sizzle.uniqueSort(results)}}if(outermost){dirruns=dirrunsUnique;outermostContext=contextBackup}return unmatched};superMatcher.el=0;return bySet?markFunction(superMatcher):superMatcher}compile=Sizzle.compile=function(selector,group){var i,setMatchers=[],elementMatchers=[],cached=compilerCache[expando][selector+" "];if(!cached){if(!group){group=tokenize(selector)}i=group.length;while(i--){cached=matcherFromTokens(group[i]);if(cached[expando]){setMatchers.push(cached)}else{elementMatchers.push(cached)}}cached=compilerCache(selector,matcherFromGroupMatchers(elementMatchers,setMatchers))}return cached};function multipleContexts(selector,contexts,results){var i=0,len=contexts.length;for(;i<len;i++){Sizzle(selector,contexts[i],results)}return results}function select(selector,context,results,seed,xml){var i,tokens,token,type,find,match=tokenize(selector),j=match.length;if(!seed){if(match.length===1){tokens=match[0]=match[0].slice(0);if(tokens.length>2&&(token=tokens[0]).type==="ID"&&context.nodeType===9&&!xml&&Expr.relative[tokens[1].type]){context=Expr.find["ID"](token.matches[0].replace(rbackslash,""),context,xml)[0];if(!context){return results}selector=selector.slice(tokens.shift().length)}for(i=matchExpr["POS"].test(selector)?-1:tokens.length-1;i>=0;i--){token=tokens[i];if(Expr.relative[type=token.type]){break}if(find=Expr.find[type]){if(seed=find(token.matches[0].replace(rbackslash,""),rsibling.test(tokens[0].type)&&context.parentNode||context,xml)){tokens.splice(i,1);selector=seed.length&&tokens.join("");if(!selector){push.apply(results,slice.call(seed,0));return results}break}}}}}compile(selector,match)(seed,context,xml,results,rsibling.test(selector));return results}if(document.querySelectorAll){(function(){var disconnectedMatch,oldSelect=select,rescape=/'|\\/g,rattributeQuotes=/\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,rbuggyQSA=[":focus"],rbuggyMatches=[":active"],matches=docElem.matchesSelector||docElem.mozMatchesSelector||docElem.webkitMatchesSelector||docElem.oMatchesSelector||docElem.msMatchesSelector;assert(function(div){div.innerHTML="<select><option selected=''></option></select>";if(!div.querySelectorAll("[selected]").length){rbuggyQSA.push("\\["+whitespace+"*(?:checked|disabled|ismap|multiple|readonly|selected|value)")}if(!div.querySelectorAll(":checked").length){rbuggyQSA.push(":checked")}});assert(function(div){div.innerHTML="<p test=''></p>";if(div.querySelectorAll("[test^='']").length){rbuggyQSA.push("[*^$]="+whitespace+"*(?:\"\"|'')")}div.innerHTML="<input type='hidden'/>";if(!div.querySelectorAll(":enabled").length){rbuggyQSA.push(":enabled",":disabled")}});rbuggyQSA=new RegExp(rbuggyQSA.join("|"));select=function(selector,context,results,seed,xml){if(!seed&&!xml&&!rbuggyQSA.test(selector)){var groups,i,old=true,nid=expando,newContext=context,newSelector=context.nodeType===9&&selector;if(context.nodeType===1&&context.nodeName.toLowerCase()!=="object"){groups=tokenize(selector);if(old=context.getAttribute("id")){nid=old.replace(rescape,"\\$&")}else{context.setAttribute("id",nid)}nid="[id='"+nid+"'] ";i=groups.length;while(i--){groups[i]=nid+groups[i].join("")}newContext=rsibling.test(selector)&&context.parentNode||context;newSelector=groups.join(",")}if(newSelector){try{push.apply(results,slice.call(newContext.querySelectorAll(newSelector),0));return results}catch(qsaError){}finally{if(!old){context.removeAttribute("id")}}}}return oldSelect(selector,context,results,seed,xml)};if(matches){assert(function(div){disconnectedMatch=matches.call(div,"div");try{matches.call(div,"[test!='']:sizzle");rbuggyMatches.push("!=",pseudos)}catch(e){}});rbuggyMatches=new RegExp(rbuggyMatches.join("|"));Sizzle.matchesSelector=function(elem,expr){expr=expr.replace(rattributeQuotes,"='$1']");if(!isXML(elem)&&!rbuggyMatches.test(expr)&&!rbuggyQSA.test(expr)){try{var ret=matches.call(elem,expr);if(ret||disconnectedMatch||elem.document&&elem.document.nodeType!==11){return ret}}catch(e){}}return Sizzle(expr,null,null,[elem]).length>0}}})()}Expr.pseudos["nth"]=Expr.pseudos["eq"];function setFilters(){}Expr.filters=setFilters.prototype=Expr.pseudos;Expr.setFilters=new setFilters;Sizzle.attr=jQuery.attr;jQuery.find=Sizzle;jQuery.expr=Sizzle.selectors;jQuery.expr[":"]=jQuery.expr.pseudos;jQuery.unique=Sizzle.uniqueSort;jQuery.text=Sizzle.getText;jQuery.isXMLDoc=Sizzle.isXML;jQuery.contains=Sizzle.contains})(window);var runtil=/Until$/,rparentsprev=/^(?:parents|prev(?:Until|All))/,isSimple=/^.[^:#\[\.,]*$/,rneedsContext=jQuery.expr.match.needsContext,guaranteedUnique={children:true,contents:true,next:true,prev:true};jQuery.fn.extend({find:function(selector){var i,l,length,n,r,ret,self=this;if(typeof selector!=="string"){return jQuery(selector).filter(function(){for(i=0,l=self.length;i<l;i++){if(jQuery.contains(self[i],this)){return true}}})}ret=this.pushStack("","find",selector);for(i=0,l=this.length;i<l;i++){length=ret.length;jQuery.find(selector,this[i],ret);if(i>0){for(n=length;n<ret.length;n++){for(r=0;r<length;r++){if(ret[r]===ret[n]){ret.splice(n--,1);break}}}}}return ret},has:function(target){var i,targets=jQuery(target,this),len=targets.length;return this.filter(function(){for(i=0;i<len;i++){if(jQuery.contains(this,targets[i])){return true}}})},not:function(selector){return this.pushStack(winnow(this,selector,false),"not",selector)},filter:function(selector){return this.pushStack(winnow(this,selector,true),"filter",selector)},is:function(selector){return!!selector&&(typeof 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temp,i,elem,preMap=[],postMap=[],preexisting=results.length,elems=seed||multipleContexts(selector||"*",context.nodeType?[context]:context,[]),matcherIn=preFilter&&(seed||!selector)?condense(elems,preMap,preFilter,context,xml):elems,matcherOut=matcher?postFinder||(seed?preFilter:preexisting||postFilter)?[]:results:matcherIn;if(matcher){matcher(matcherIn,matcherOut,context,xml)}if(postFilter){temp=condense(matcherOut,postMap);postFilter(temp,[],context,xml);i=temp.length;while(i--){if(elem=temp[i]){matcherOut[postMap[i]]=!(matcherIn[postMap[i]]=elem)}}}if(seed){if(postFinder||preFilter){if(postFinder){temp=[];i=matcherOut.length;while(i--){if(elem=matcherOut[i]){temp.push(matcherIn[i]=elem)}}postFinder(null,matcherOut=[],temp,xml)}i=matcherOut.length;while(i--){if((elem=matcherOut[i])&&(temp=postFinder?indexOf.call(seed,elem):preMap[i])>-1){seed[temp]=!(results[temp]=elem)}}}}else{matcherOut=condense(matcherOut===results?matcherOut.splice(preexisting,matcherOut.length):matcherOut);if(postFinder){postFinder(null,results,matcherOut,xml)}else{push.apply(results,matcherOut)}}})}function matcherFromTokens(tokens){var checkContext,matcher,j,len=tokens.length,leadingRelative=Expr.relative[tokens[0].type],implicitRelative=leadingRelative||Expr.relative[" "],i=leadingRelative?1:0,matchContext=addCombinator(function(elem){return elem===checkContext},implicitRelative,true),matchAnyContext=addCombinator(function(elem){return indexOf.call(checkContext,elem)>-1},implicitRelative,true),matchers=[function(elem,context,xml){return!leadingRelative&&(xml||context!==outermostContext)||((checkContext=context).nodeType?matchContext(elem,context,xml):matchAnyContext(elem,context,xml))}];for(;i<len;i++){if(matcher=Expr.relative[tokens[i].type]){matchers=[addCombinator(elementMatcher(matchers),matcher)]}else{matcher=Expr.filter[tokens[i].type].apply(null,tokens[i].matches);if(matcher[expando]){j=++i;for(;j<len;j++){if(Expr.relative[tokens[j].type]){break}}return setMatcher(i>1&&elementMatcher(matchers),i>1&&tokens.slice(0,i-1).join("").replace(rtrim,"$1"),matcher,i<j&&matcherFromTokens(tokens.slice(i,j)),j<len&&matcherFromTokens(tokens=tokens.slice(j)),j<len&&tokens.join(""))}matchers.push(matcher)}}return elementMatcher(matchers)}function matcherFromGroupMatchers(elementMatchers,setMatchers){var bySet=setMatchers.length>0,byElement=elementMatchers.length>0,superMatcher=function(seed,context,xml,results,expandContext){var elem,j,matcher,setMatched=[],matchedCount=0,i="0",unmatched=seed&&[],outermost=expandContext!=null,contextBackup=outermostContext,elems=seed||byElement&&Expr.find["TAG"]("*",expandContext&&context.parentNode||context),dirrunsUnique=dirruns+=contextBackup==null?1:Math.E;if(outermost){outermostContext=context!==document&&context;cachedruns=superMatcher.el}for(;(elem=elems[i])!=null;i++){if(byElement&&elem){for(j=0;matcher=elementMatchers[j];j++){if(matcher(elem,context,xml)){results.push(elem);break}}if(outermost){dirruns=dirrunsUnique;cachedruns=++superMatcher.el}}if(bySet){if(elem=!matcher&&elem){matchedCount--}if(seed){unmatched.push(elem)}}}matchedCount+=i;if(bySet&&i!==matchedCount){for(j=0;matcher=setMatchers[j];j++){matcher(unmatched,setMatched,context,xml)}if(seed){if(matchedCount>0){while(i--){if(!(unmatched[i]||setMatched[i])){setMatched[i]=pop.call(results)}}}setMatched=condense(setMatched)}push.apply(results,setMatched);if(outermost&&!seed&&setMatched.length>0&&matchedCount+setMatchers.length>1){Sizzle.uniqueSort(results)}}if(outermost){dirruns=dirrunsUnique;outermostContext=contextBackup}return unmatched};superMatcher.el=0;return bySet?markFunction(superMatcher):superMatcher}compile=Sizzle.compile=function(selector,group){var i,setMatchers=[],elementMatchers=[],cached=compilerCache[expando][selector+" "];if(!cached){if(!group){group=tokenize(selector)}i=group.length;while(i--){cached=matcherFromTokens(group[i]);if(cached[expando]){setMatchers.push(cached)}else{elementMatchers.push(cached)}}cached=compilerCache(selector,matcherFromGroupMatchers(elementMatchers,setMatchers))}return cached};function multipleContexts(selector,contexts,results){var i=0,len=contexts.length;for(;i<len;i++){Sizzle(selector,contexts[i],results)}return results}function select(selector,context,results,seed,xml){var i,tokens,token,type,find,match=tokenize(selector),j=match.length;if(!seed){if(match.length===1){tokens=match[0]=match[0].slice(0);if(tokens.length>2&&(token=tokens[0]).type==="ID"&&context.nodeType===9&&!xml&&Expr.relative[tokens[1].type]){context=Expr.find["ID"](token.matches[0].replace(rbackslash,""),context,xml)[0];if(!context){return results}selector=selector.slice(tokens.shift().length)}for(i=matchExpr["POS"].test(selector)?-1:tokens.length-1;i>=0;i--){token=tokens[i];if(Expr.relative[type=token.type]){break}if(find=Expr.find[type]){if(seed=find(token.matches[0].replace(rbackslash,""),rsibling.test(tokens[0].type)&&context.parentNode||context,xml)){tokens.splice(i,1);selector=seed.length&&tokens.join("");if(!selector){push.apply(results,slice.call(seed,0));return results}break}}}}}compile(selector,match)(seed,context,xml,results,rsibling.test(selector));return results}if(document.querySelectorAll){(function(){var disconnectedMatch,oldSelect=select,rescape=/'|\\/g,rattributeQuotes=/\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,rbuggyQSA=[":focus"],rbuggyMatches=[":active"],matches=docElem.matchesSelector||docElem.mozMatchesSelector||docElem.webkitMatchesSelector||docElem.oMatchesSelector||docElem.msMatchesSelector;assert(function(div){div.innerHTML="<select><option selected=''></option></select>";if(!div.querySelectorAll("[selected]").length){rbuggyQSA.push("\\["+whitespace+"*(?:checked|disabled|ismap|multiple|readonly|selected|value)")}if(!div.querySelectorAll(":checked").length){rbuggyQSA.push(":checked")}});assert(function(div){div.innerHTML="<p test=''></p>";if(div.querySelectorAll("[test^='']").length){rbuggyQSA.push("[*^$]="+whitespace+"*(?:\"\"|'')")}div.innerHTML="<input type='hidden'/>";if(!div.querySelectorAll(":enabled").length){rbuggyQSA.push(":enabled",":disabled")}});rbuggyQSA=new 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diff --git a/library/cpp/lwtrace/mon/static/js/jquery.treegrid.bootstrap3.js b/library/cpp/lwtrace/mon/static/js/jquery.treegrid.bootstrap3.js
index 8346d9d2f1..ac4a835205 100644
--- a/library/cpp/lwtrace/mon/static/js/jquery.treegrid.bootstrap3.js
+++ b/library/cpp/lwtrace/mon/static/js/jquery.treegrid.bootstrap3.js
@@ -1,4 +1,4 @@
-$.extend($.fn.treegrid.defaults, { 
-    expanderExpandedClass: 'glyphicon glyphicon-chevron-down', 
-    expanderCollapsedClass: 'glyphicon glyphicon-chevron-right' 
-}); 
+$.extend($.fn.treegrid.defaults, {
+    expanderExpandedClass: 'glyphicon glyphicon-chevron-down',
+    expanderCollapsedClass: 'glyphicon glyphicon-chevron-right'
+});
diff --git a/library/cpp/lwtrace/mon/static/js/jquery.treegrid.min.js b/library/cpp/lwtrace/mon/static/js/jquery.treegrid.min.js
index 345038c5ed..7b7566f323 100644
--- a/library/cpp/lwtrace/mon/static/js/jquery.treegrid.min.js
+++ b/library/cpp/lwtrace/mon/static/js/jquery.treegrid.min.js
@@ -1,2 +1,2 @@
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\ No newline at end of file
+/*! jquery-treegrid 0.3.0 */
+!function(a){var b={initTree:function(b){var c=a.extend({},this.treegrid.defaults,b);return this.each(function(){var b=a(this);b.treegrid("setTreeContainer",a(this)),b.treegrid("setSettings",c),c.getRootNodes.apply(this,[a(this)]).treegrid("initNode",c),b.treegrid("getRootNodes").treegrid("render")})},initNode:function(b){return this.each(function(){var c=a(this);c.treegrid("setTreeContainer",b.getTreeGridContainer.apply(this)),c.treegrid("getChildNodes").treegrid("initNode",b),c.treegrid("initExpander").treegrid("initIndent").treegrid("initEvents").treegrid("initState").treegrid("initChangeEvent").treegrid("initSettingsEvents")})},initChangeEvent:function(){var b=a(this);return b.on("change",function(){var b=a(this);b.treegrid("render"),b.treegrid("getSetting","saveState")&&b.treegrid("saveState")}),b},initEvents:function(){var b=a(this);return b.on("collapse",function(){var b=a(this);b.removeClass("treegrid-expanded"),b.addClass("treegrid-collapsed")}),b.on("expand",function(){var 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c=a.grep(b.find("tr"),function(b){var c=a(b).attr("class"),d=/treegrid-([A-Za-z0-9_-]+)/,e=/treegrid-parent-([A-Za-z0-9_-]+)/;return d.test(c)&&!e.test(c)});return a(c)},getAllNodes:function(b){var c=a.grep(b.find("tr"),function(b){var c=a(b).attr("class"),d=/treegrid-([A-Za-z0-9_-]+)/;return d.test(c)});return a(c)},onCollapse:null,onExpand:null,onChange:null}}(jQuery);
\ No newline at end of file
diff --git a/library/cpp/lwtrace/mon/static/js/jquery.url.min.js b/library/cpp/lwtrace/mon/static/js/jquery.url.min.js
index f3b029c799..8ac9051a2a 100644
--- a/library/cpp/lwtrace/mon/static/js/jquery.url.min.js
+++ b/library/cpp/lwtrace/mon/static/js/jquery.url.min.js
@@ -1 +1 @@
-/*! js-url - v2.0.2 - 2015-09-17 */window.url=function(){function a(){}function b(a){return decodeURIComponent(a.replace(/\+/g," "))}function c(a,b){var c=a.charAt(0),d=b.split(c);return c===a?d:(a=parseInt(a.substring(1),10),d[0>a?d.length+a:a-1])}function d(a,c){var d=a.charAt(0),e=c.split("&"),f=[],g={},h=[],i=a.substring(1);for(var j in e)if(f=e[j].match(/(.*?)=(.*)/),f||(f=[e[j],e[j],""]),""!==f[1].replace(/\s/g,"")){if(f[2]=b(f[2]||""),i===f[1])return f[2];h=f[1].match(/(.*)\[([0-9]+)\]/),h?(g[h[1]]=g[h[1]]||[],g[h[1]][h[2]]=f[2]):g[f[1]]=f[2]}return d===a?g:g[i]}return function(b,e){var f,g={};if("tld?"===b)return a();if(e=e||window.location.toString(),!b)return e;if(b=b.toString(),f=e.match(/^mailto:([^\/].+)/))g.protocol="mailto",g.email=f[1];else{if((f=e.match(/(.*?)#(.*)/))&&(g.hash=f[2],e=f[1]),g.hash&&b.match(/^#/))return d(b,g.hash);if((f=e.match(/(.*?)\?(.*)/))&&(g.query=f[2],e=f[1]),g.query&&b.match(/^\?/))return d(b,g.query);if((f=e.match(/(.*?)\:?\/\/(.*)/))&&(g.protocol=f[1].toLowerCase(),e=f[2]),(f=e.match(/(.*?)(\/.*)/))&&(g.path=f[2],e=f[1]),g.path=(g.path||"").replace(/^([^\/])/,"/$1").replace(/\/$/,""),b.match(/^[\-0-9]+$/)&&(b=b.replace(/^([^\/])/,"/$1")),b.match(/^\//))return c(b,g.path.substring(1));if(f=c("/-1",g.path.substring(1)),f&&(f=f.match(/(.*?)\.(.*)/))&&(g.file=f[0],g.filename=f[1],g.fileext=f[2]),(f=e.match(/(.*)\:([0-9]+)$/))&&(g.port=f[2],e=f[1]),(f=e.match(/(.*?)@(.*)/))&&(g.auth=f[1],e=f[2]),g.auth&&(f=g.auth.match(/(.*)\:(.*)/),g.user=f?f[1]:g.auth,g.pass=f?f[2]:void 0),g.hostname=e.toLowerCase(),"."===b.charAt(0))return c(b,g.hostname);a()&&(f=g.hostname.match(a()),f&&(g.tld=f[3],g.domain=f[2]?f[2]+"."+f[3]:void 0,g.sub=f[1]||void 0)),g.port=g.port||("https"===g.protocol?"443":"80"),g.protocol=g.protocol||("443"===g.port?"https":"http")}return b in g?g[b]:"[]"===b?g:void 0}}(),"undefined"!=typeof jQuery&&jQuery.extend({url:function(a,b){return window.url(a,b)}}); 
+/*! js-url - v2.0.2 - 2015-09-17 */window.url=function(){function a(){}function b(a){return decodeURIComponent(a.replace(/\+/g," "))}function c(a,b){var c=a.charAt(0),d=b.split(c);return c===a?d:(a=parseInt(a.substring(1),10),d[0>a?d.length+a:a-1])}function d(a,c){var d=a.charAt(0),e=c.split("&"),f=[],g={},h=[],i=a.substring(1);for(var j in e)if(f=e[j].match(/(.*?)=(.*)/),f||(f=[e[j],e[j],""]),""!==f[1].replace(/\s/g,"")){if(f[2]=b(f[2]||""),i===f[1])return f[2];h=f[1].match(/(.*)\[([0-9]+)\]/),h?(g[h[1]]=g[h[1]]||[],g[h[1]][h[2]]=f[2]):g[f[1]]=f[2]}return d===a?g:g[i]}return function(b,e){var f,g={};if("tld?"===b)return a();if(e=e||window.location.toString(),!b)return e;if(b=b.toString(),f=e.match(/^mailto:([^\/].+)/))g.protocol="mailto",g.email=f[1];else{if((f=e.match(/(.*?)#(.*)/))&&(g.hash=f[2],e=f[1]),g.hash&&b.match(/^#/))return d(b,g.hash);if((f=e.match(/(.*?)\?(.*)/))&&(g.query=f[2],e=f[1]),g.query&&b.match(/^\?/))return d(b,g.query);if((f=e.match(/(.*?)\:?\/\/(.*)/))&&(g.protocol=f[1].toLowerCase(),e=f[2]),(f=e.match(/(.*?)(\/.*)/))&&(g.path=f[2],e=f[1]),g.path=(g.path||"").replace(/^([^\/])/,"/$1").replace(/\/$/,""),b.match(/^[\-0-9]+$/)&&(b=b.replace(/^([^\/])/,"/$1")),b.match(/^\//))return c(b,g.path.substring(1));if(f=c("/-1",g.path.substring(1)),f&&(f=f.match(/(.*?)\.(.*)/))&&(g.file=f[0],g.filename=f[1],g.fileext=f[2]),(f=e.match(/(.*)\:([0-9]+)$/))&&(g.port=f[2],e=f[1]),(f=e.match(/(.*?)@(.*)/))&&(g.auth=f[1],e=f[2]),g.auth&&(f=g.auth.match(/(.*)\:(.*)/),g.user=f?f[1]:g.auth,g.pass=f?f[2]:void 0),g.hostname=e.toLowerCase(),"."===b.charAt(0))return c(b,g.hostname);a()&&(f=g.hostname.match(a()),f&&(g.tld=f[3],g.domain=f[2]?f[2]+"."+f[3]:void 0,g.sub=f[1]||void 0)),g.port=g.port||("https"===g.protocol?"443":"80"),g.protocol=g.protocol||("443"===g.port?"https":"http")}return b in g?g[b]:"[]"===b?g:void 0}}(),"undefined"!=typeof jQuery&&jQuery.extend({url:function(a,b){return window.url(a,b)}});
diff --git a/library/cpp/lwtrace/mon/trace.sh b/library/cpp/lwtrace/mon/trace.sh
index 0424e1548f..8414a9b0ca 100755
--- a/library/cpp/lwtrace/mon/trace.sh
+++ b/library/cpp/lwtrace/mon/trace.sh
@@ -1,81 +1,81 @@
-#!/bin/sh -e 
-# $Id: trace.sh 2313967 2016-05-24 12:52:38Z serxa $ 
-# $HeadURL: svn+ssh://arcadia.yandex.ru/arc/trunk/arcadia/library/cpp/lwtrace/mon/trace.sh $ 
- 
-usage() { 
-    if [ -n "$*" ]; then 
-        echo "ERROR: $*" >&2 
-    else 
-        echo "Script for LWTrace tracing management" >&2 
-    fi 
-    echo "USAGE: `basename $0` COMMAND TRACEID HOST:PORT PARAM1=VALUE1 ..." >&2 
-    echo "COMMANDS:" >&2 
-    echo "     new  Start new tracing described by query from STDIN," >&2 
-    echo "          uniquely named with TRACEID string," >&2 
-    echo "          using HOST:PORT monitoring service." >&2 
-    echo "          query can contain \$params that are substituted with corresponding values from cmdline" >&2 
-    echo "          (alse \$\$ is replaced by \$, each param must be defined from cmdline)" >&2 
-    echo "  delete  Stop existing tracing with specified name TRACEID," >&2 
-    echo "          on HOST:PORT monitoring service." >&2 
-    exit 1 
-} 
- 
-COMMAND=$1 
-ID="$2" 
-IDENC="$(perl -MURI::Escape -e '$id = $ARGV[0]; $id=uri_escape($id); $id =~ s{[+%]}{-}g; print $id;' "$ID")" 
-ADDRESS="$3" 
-if [ "$COMMAND" = "--help" ] || [ -z "$*" ]; then usage; fi 
-if [ -z "$ID" ]; then usage "TRACEID is not specified"; fi 
-if [ -z "$ADDRESS" ]; then usage "HOST:PORT is not specified"; fi 
- 
-shift 3 
- 
-STATUS=0 
-ERRFILE=/var/tmp/lwtrace.sh.$$ 
- 
-error() { 
-    echo "ERROR: $*" >&2 
-    [ ! -e $ERRFILE ] || cat $ERRFILE >&2 
-    exit 1 
-} 
- 
-stop() { rm -f $ERRFILE; } 
-trap stop INT ABRT EXIT 
- 
-case "$COMMAND" in 
- 
-    new) 
-        QUERY="$(perl -e 'use MIME::Base64; 
-                         local $/; 
-                         $a = <STDIN>; 
-                         for $arg (@ARGV) { 
-                            ($k,$v) = split "=",$arg,2; 
-                            $a =~ s{\$$k}{$v}g; 
-                         } 
-                         if ($a =~ /\$([A-Za-z_][\w_]*)/) { 
-                            print STDERR "undefined param in lwtrace query: $1\n"; 
-                            exit 0 
-                         } 
-                         $a =~ s{\$\$}{\$}g; 
-                         print encode_base64($a, ""); 
-                         ' "$@" 2>$ERRFILE)" 
-        if [ -z "$QUERY" ]; then error "lwtrace query errors"; fi 
-        wget --post-data="id=$IDENC&query=$QUERY" \ 
-            -O - http://$ADDRESS/trace?mode=new </dev/null 2>$ERRFILE || STATUS=$? 
-        if [ $STATUS -ne 0 ]; then error "wget failure"; fi 
-        ;; 
- 
-    delete) 
-        wget --post-data="id=$IDENC" \ 
-            -O - http://$ADDRESS/trace?mode=delete </dev/null 2>$ERRFILE || STATUS=$? 
-        if [ $STATUS -ne 0 ]; then error "wget failure"; fi 
-        ;; 
- 
-    *) 
-        echo "usage: `basename $0` new TRACEID ADDRESS < query.txt" >&2 
-        echo "       `basename $0` delete TRACEID ADDRESS" >&2 
-        exit 1 
-        ;; 
- 
-esac 
-echo "Done" 
+#!/bin/sh -e
+# $Id: trace.sh 2313967 2016-05-24 12:52:38Z serxa $
+# $HeadURL: svn+ssh://arcadia.yandex.ru/arc/trunk/arcadia/library/cpp/lwtrace/mon/trace.sh $
+
+usage() {
+    if [ -n "$*" ]; then
+        echo "ERROR: $*" >&2
+    else
+        echo "Script for LWTrace tracing management" >&2
+    fi
+    echo "USAGE: `basename $0` COMMAND TRACEID HOST:PORT PARAM1=VALUE1 ..." >&2
+    echo "COMMANDS:" >&2
+    echo "     new  Start new tracing described by query from STDIN," >&2
+    echo "          uniquely named with TRACEID string," >&2
+    echo "          using HOST:PORT monitoring service." >&2
+    echo "          query can contain \$params that are substituted with corresponding values from cmdline" >&2
+    echo "          (alse \$\$ is replaced by \$, each param must be defined from cmdline)" >&2
+    echo "  delete  Stop existing tracing with specified name TRACEID," >&2
+    echo "          on HOST:PORT monitoring service." >&2
+    exit 1
+}
+
+COMMAND=$1
+ID="$2"
+IDENC="$(perl -MURI::Escape -e '$id = $ARGV[0]; $id=uri_escape($id); $id =~ s{[+%]}{-}g; print $id;' "$ID")"
+ADDRESS="$3"
+if [ "$COMMAND" = "--help" ] || [ -z "$*" ]; then usage; fi
+if [ -z "$ID" ]; then usage "TRACEID is not specified"; fi
+if [ -z "$ADDRESS" ]; then usage "HOST:PORT is not specified"; fi
+
+shift 3
+
+STATUS=0
+ERRFILE=/var/tmp/lwtrace.sh.$$
+
+error() {
+    echo "ERROR: $*" >&2
+    [ ! -e $ERRFILE ] || cat $ERRFILE >&2
+    exit 1
+}
+
+stop() { rm -f $ERRFILE; }
+trap stop INT ABRT EXIT
+
+case "$COMMAND" in
+
+    new)
+        QUERY="$(perl -e 'use MIME::Base64;
+                         local $/;
+                         $a = <STDIN>;
+                         for $arg (@ARGV) {
+                            ($k,$v) = split "=",$arg,2;
+                            $a =~ s{\$$k}{$v}g;
+                         }
+                         if ($a =~ /\$([A-Za-z_][\w_]*)/) {
+                            print STDERR "undefined param in lwtrace query: $1\n";
+                            exit 0
+                         }
+                         $a =~ s{\$\$}{\$}g;
+                         print encode_base64($a, "");
+                         ' "$@" 2>$ERRFILE)"
+        if [ -z "$QUERY" ]; then error "lwtrace query errors"; fi
+        wget --post-data="id=$IDENC&query=$QUERY" \
+            -O - http://$ADDRESS/trace?mode=new </dev/null 2>$ERRFILE || STATUS=$?
+        if [ $STATUS -ne 0 ]; then error "wget failure"; fi
+        ;;
+
+    delete)
+        wget --post-data="id=$IDENC" \
+            -O - http://$ADDRESS/trace?mode=delete </dev/null 2>$ERRFILE || STATUS=$?
+        if [ $STATUS -ne 0 ]; then error "wget failure"; fi
+        ;;
+
+    *)
+        echo "usage: `basename $0` new TRACEID ADDRESS < query.txt" >&2
+        echo "       `basename $0` delete TRACEID ADDRESS" >&2
+        exit 1
+        ;;
+
+esac
+echo "Done"
diff --git a/library/cpp/lwtrace/mon/ya.make b/library/cpp/lwtrace/mon/ya.make
index 6c8c11887a..bdcb315754 100644
--- a/library/cpp/lwtrace/mon/ya.make
+++ b/library/cpp/lwtrace/mon/ya.make
@@ -1,55 +1,55 @@
-LIBRARY() 
- 
+LIBRARY()
+
 OWNER(serxa g:kikimr)
- 
-RESOURCE( 
-    static/common.css lwtrace/mon/static/common.css 
-    static/common.js lwtrace/mon/static/common.js 
-    static/css/bootstrap.min.css lwtrace/mon/static/css/bootstrap.min.css 
-    static/css/d3-gantt.css lwtrace/mon/static/css/d3-gantt.css 
-    static/css/jquery.treegrid.css lwtrace/mon/static/css/jquery.treegrid.css 
-    static/analytics.css lwtrace/mon/static/analytics.css 
-    static/analytics.flot.html lwtrace/mon/static/analytics.flot.html 
-    static/analytics.gantt.html lwtrace/mon/static/analytics.gantt.html 
-    static/analytics.header.html lwtrace/mon/static/analytics.header.html 
-    static/analytics.js lwtrace/mon/static/analytics.js 
-    static/fonts/glyphicons-halflings-regular.eot lwtrace/mon/static/fonts/glyphicons-halflings-regular.eot 
-    static/fonts/glyphicons-halflings-regular.svg lwtrace/mon/static/fonts/glyphicons-halflings-regular.svg 
-    static/fonts/glyphicons-halflings-regular.ttf lwtrace/mon/static/fonts/glyphicons-halflings-regular.ttf 
-    static/fonts/glyphicons-halflings-regular.woff2 lwtrace/mon/static/fonts/glyphicons-halflings-regular.woff2 
-    static/fonts/glyphicons-halflings-regular.woff lwtrace/mon/static/fonts/glyphicons-halflings-regular.woff 
-    static/footer.html lwtrace/mon/static/footer.html 
-    static/header.html lwtrace/mon/static/header.html 
-    static/img/collapse.png lwtrace/mon/static/img/collapse.png 
-    static/img/expand.png lwtrace/mon/static/img/expand.png 
-    static/img/file.png lwtrace/mon/static/img/file.png 
-    static/img/folder.png lwtrace/mon/static/img/folder.png 
-    static/js/bootstrap.min.js lwtrace/mon/static/js/bootstrap.min.js 
-    static/js/d3.v4.min.js lwtrace/mon/static/js/d3.v4.min.js 
-    static/js/d3-gantt.js lwtrace/mon/static/js/d3-gantt.js 
-    static/js/d3-tip-0.8.0-alpha.1.js lwtrace/mon/static/js/d3-tip-0.8.0-alpha.1.js 
-    static/js/filesaver.min.js lwtrace/mon/static/js/filesaver.min.js 
-    static/js/jquery.flot.extents.js lwtrace/mon/static/js/jquery.flot.extents.js 
-    static/js/jquery.flot.min.js lwtrace/mon/static/js/jquery.flot.min.js 
-    static/js/jquery.flot.navigate.min.js lwtrace/mon/static/js/jquery.flot.navigate.min.js 
-    static/js/jquery.flot.selection.min.js lwtrace/mon/static/js/jquery.flot.selection.min.js 
-    static/js/jquery.min.js lwtrace/mon/static/js/jquery.min.js 
-    static/js/jquery.treegrid.bootstrap3.js lwtrace/mon/static/js/jquery.treegrid.bootstrap3.js 
-    static/js/jquery.treegrid.min.js lwtrace/mon/static/js/jquery.treegrid.min.js 
-    static/js/jquery.url.min.js lwtrace/mon/static/js/jquery.url.min.js 
-) 
- 
-SRCS( 
-    mon_lwtrace.cpp 
-) 
- 
-PEERDIR( 
+
+RESOURCE(
+    static/common.css lwtrace/mon/static/common.css
+    static/common.js lwtrace/mon/static/common.js
+    static/css/bootstrap.min.css lwtrace/mon/static/css/bootstrap.min.css
+    static/css/d3-gantt.css lwtrace/mon/static/css/d3-gantt.css
+    static/css/jquery.treegrid.css lwtrace/mon/static/css/jquery.treegrid.css
+    static/analytics.css lwtrace/mon/static/analytics.css
+    static/analytics.flot.html lwtrace/mon/static/analytics.flot.html
+    static/analytics.gantt.html lwtrace/mon/static/analytics.gantt.html
+    static/analytics.header.html lwtrace/mon/static/analytics.header.html
+    static/analytics.js lwtrace/mon/static/analytics.js
+    static/fonts/glyphicons-halflings-regular.eot lwtrace/mon/static/fonts/glyphicons-halflings-regular.eot
+    static/fonts/glyphicons-halflings-regular.svg lwtrace/mon/static/fonts/glyphicons-halflings-regular.svg
+    static/fonts/glyphicons-halflings-regular.ttf lwtrace/mon/static/fonts/glyphicons-halflings-regular.ttf
+    static/fonts/glyphicons-halflings-regular.woff2 lwtrace/mon/static/fonts/glyphicons-halflings-regular.woff2
+    static/fonts/glyphicons-halflings-regular.woff lwtrace/mon/static/fonts/glyphicons-halflings-regular.woff
+    static/footer.html lwtrace/mon/static/footer.html
+    static/header.html lwtrace/mon/static/header.html
+    static/img/collapse.png lwtrace/mon/static/img/collapse.png
+    static/img/expand.png lwtrace/mon/static/img/expand.png
+    static/img/file.png lwtrace/mon/static/img/file.png
+    static/img/folder.png lwtrace/mon/static/img/folder.png
+    static/js/bootstrap.min.js lwtrace/mon/static/js/bootstrap.min.js
+    static/js/d3.v4.min.js lwtrace/mon/static/js/d3.v4.min.js
+    static/js/d3-gantt.js lwtrace/mon/static/js/d3-gantt.js
+    static/js/d3-tip-0.8.0-alpha.1.js lwtrace/mon/static/js/d3-tip-0.8.0-alpha.1.js
+    static/js/filesaver.min.js lwtrace/mon/static/js/filesaver.min.js
+    static/js/jquery.flot.extents.js lwtrace/mon/static/js/jquery.flot.extents.js
+    static/js/jquery.flot.min.js lwtrace/mon/static/js/jquery.flot.min.js
+    static/js/jquery.flot.navigate.min.js lwtrace/mon/static/js/jquery.flot.navigate.min.js
+    static/js/jquery.flot.selection.min.js lwtrace/mon/static/js/jquery.flot.selection.min.js
+    static/js/jquery.min.js lwtrace/mon/static/js/jquery.min.js
+    static/js/jquery.treegrid.bootstrap3.js lwtrace/mon/static/js/jquery.treegrid.bootstrap3.js
+    static/js/jquery.treegrid.min.js lwtrace/mon/static/js/jquery.treegrid.min.js
+    static/js/jquery.url.min.js lwtrace/mon/static/js/jquery.url.min.js
+)
+
+SRCS(
+    mon_lwtrace.cpp
+)
+
+PEERDIR(
     library/cpp/html/pcdata
     library/cpp/lwtrace
-    library/cpp/lwtrace/mon/analytics 
+    library/cpp/lwtrace/mon/analytics
     library/cpp/monlib/dynamic_counters
     library/cpp/resource
     library/cpp/string_utils/base64
-) 
- 
-END() 
+)
+
+END()
diff --git a/library/cpp/lwtrace/perf.cpp b/library/cpp/lwtrace/perf.cpp
index b3f109c1be..03b68586ea 100644
--- a/library/cpp/lwtrace/perf.cpp
+++ b/library/cpp/lwtrace/perf.cpp
@@ -1,84 +1,84 @@
-#include "perf.h" 
- 
+#include "perf.h"
+
 #include "probes.h"
 
-#include <util/system/datetime.h> 
-#include <util/system/hp_timer.h> 
- 
-namespace NLWTrace { 
-    LWTRACE_USING(LWTRACE_INTERNAL_PROVIDER); 
- 
-    TCpuTracker::TCpuTracker() 
-        : MinReportPeriod(NHPTimer::GetCyclesPerSecond()) 
-    { 
-        ResetStats(); 
-    } 
- 
-    void TCpuTracker::Enter() { 
-        LastTs = GetCycleCount(); 
-    } 
- 
-    void TCpuTracker::Exit(const TProbe* probe) { 
-        ui64 exitTs = GetCycleCount(); 
-        if (exitTs < LastTs) { 
-            return; // probably TSC was reset 
-        } 
-        ui64 cycles = exitTs - LastTs; 
-        LastTs = exitTs; 
- 
-        AddStats(probe, cycles); 
-    } 
- 
-    void TCpuTracker::AddStats(const TProbe* probe, ui64 cycles) { 
-        if (MaxCycles < cycles) { 
-            MaxProbe = probe; 
-            MaxCycles = cycles; 
-        } 
-        if (MinCycles > cycles) { 
-            MinCycles = cycles; 
-        } 
-        ProbeCycles += cycles; 
-        Count++; 
- 
-        if (LastTs - LastReportTs > MinReportPeriod) { 
-            Report(); 
-        } 
-    } 
- 
-    void TCpuTracker::ResetStats() { 
-        MaxCycles = 0; 
-        MaxProbe = nullptr; 
-        MinCycles = ui64(-1); 
-        ProbeCycles = 0; 
-        Count = 0; 
-    } 
- 
-    void TCpuTracker::Report() { 
-        if (!Reporting) { 
-            Reporting = true; 
-            ReportNotReentrant(); 
-            Reporting = false; 
-        } 
-    } 
- 
-    void TCpuTracker::ReportNotReentrant() { 
-        if (LastReportTs && Count > 0 && LastTs > LastReportTs) { 
-            ui64 reportPeriod = LastTs - LastReportTs; 
-            double share = double(ProbeCycles) / reportPeriod; 
-            double minMs = MilliSeconds(MinCycles); 
-            double maxMs = MilliSeconds(MaxCycles); 
-            double avgMs = MilliSeconds(ProbeCycles) / Count; 
-            LastReportTs = LastTs; 
-            ResetStats(); 
-            LWPROBE(PerfReport, share, minMs, maxMs, avgMs); 
-        } else { 
-            LastReportTs = LastTs; 
-            ResetStats(); 
-        } 
-    } 
- 
-    double TCpuTracker::MilliSeconds(ui64 cycles) { 
-        return NHPTimer::GetSeconds(cycles) * 1000.0; 
-    } 
- 
-} 
+#include <util/system/datetime.h>
+#include <util/system/hp_timer.h>
+
+namespace NLWTrace {
+    LWTRACE_USING(LWTRACE_INTERNAL_PROVIDER);
+
+    TCpuTracker::TCpuTracker()
+        : MinReportPeriod(NHPTimer::GetCyclesPerSecond())
+    {
+        ResetStats();
+    }
+
+    void TCpuTracker::Enter() {
+        LastTs = GetCycleCount();
+    }
+
+    void TCpuTracker::Exit(const TProbe* probe) {
+        ui64 exitTs = GetCycleCount();
+        if (exitTs < LastTs) {
+            return; // probably TSC was reset
+        }
+        ui64 cycles = exitTs - LastTs;
+        LastTs = exitTs;
+
+        AddStats(probe, cycles);
+    }
+
+    void TCpuTracker::AddStats(const TProbe* probe, ui64 cycles) {
+        if (MaxCycles < cycles) {
+            MaxProbe = probe;
+            MaxCycles = cycles;
+        }
+        if (MinCycles > cycles) {
+            MinCycles = cycles;
+        }
+        ProbeCycles += cycles;
+        Count++;
+
+        if (LastTs - LastReportTs > MinReportPeriod) {
+            Report();
+        }
+    }
+
+    void TCpuTracker::ResetStats() {
+        MaxCycles = 0;
+        MaxProbe = nullptr;
+        MinCycles = ui64(-1);
+        ProbeCycles = 0;
+        Count = 0;
+    }
+
+    void TCpuTracker::Report() {
+        if (!Reporting) {
+            Reporting = true;
+            ReportNotReentrant();
+            Reporting = false;
+        }
+    }
+
+    void TCpuTracker::ReportNotReentrant() {
+        if (LastReportTs && Count > 0 && LastTs > LastReportTs) {
+            ui64 reportPeriod = LastTs - LastReportTs;
+            double share = double(ProbeCycles) / reportPeriod;
+            double minMs = MilliSeconds(MinCycles);
+            double maxMs = MilliSeconds(MaxCycles);
+            double avgMs = MilliSeconds(ProbeCycles) / Count;
+            LastReportTs = LastTs;
+            ResetStats();
+            LWPROBE(PerfReport, share, minMs, maxMs, avgMs);
+        } else {
+            LastReportTs = LastTs;
+            ResetStats();
+        }
+    }
+
+    double TCpuTracker::MilliSeconds(ui64 cycles) {
+        return NHPTimer::GetSeconds(cycles) * 1000.0;
+    }
+
+}
diff --git a/library/cpp/lwtrace/perf.h b/library/cpp/lwtrace/perf.h
index 03564eeb3f..d535247196 100644
--- a/library/cpp/lwtrace/perf.h
+++ b/library/cpp/lwtrace/perf.h
@@ -1,63 +1,63 @@
-#pragma once 
- 
-#include <util/system/types.h> 
-#include <util/thread/singleton.h> 
- 
-namespace NLWTrace { 
-    struct TProbe; 
- 
-    class TCpuTracker { 
-    private: 
-        const ui64 MinReportPeriod; 
- 
-        // State 
-        bool Reporting = false; 
-        ui64 LastTs = 0; 
-        ui64 LastReportTs = 0; 
- 
-        // Statistics 
-        ui64 MaxCycles; 
-        const TProbe* MaxProbe; 
-        ui64 MinCycles; 
-        ui64 ProbeCycles; 
-        ui64 Count; 
- 
-    public: 
-        TCpuTracker(); 
-        void Enter(); 
-        void Exit(const TProbe* Probe); 
-        static TCpuTracker* TlsInstance() { 
-            struct TCpuTrackerkHolder { 
-                TCpuTracker Tracker; 
-            }; 
-            return &FastTlsSingletonWithPriority<TCpuTrackerkHolder, 4>()->Tracker; 
-        } 
- 
-    private: 
-        void AddStats(const TProbe* probe, ui64 cycles); 
-        void ResetStats(); 
-        void Report(); 
-        void ReportNotReentrant(); 
-        static double MilliSeconds(ui64 cycles); 
-    }; 
- 
-    class TScopedThreadCpuTracker { 
-    private: 
-        const TProbe* Probe; 
-        TCpuTracker* Tracker; 
- 
-    public: 
-        template <class T> 
-        explicit TScopedThreadCpuTracker(const T& probe) 
-            : Probe(&probe.Probe) 
-            , Tracker(TCpuTracker::TlsInstance()) 
-        { 
-            Tracker->Enter(); 
-        } 
- 
-        ~TScopedThreadCpuTracker() { 
-            Tracker->Exit(Probe); 
-        } 
-    }; 
- 
-} 
+#pragma once
+
+#include <util/system/types.h>
+#include <util/thread/singleton.h>
+
+namespace NLWTrace {
+    struct TProbe;
+
+    class TCpuTracker {
+    private:
+        const ui64 MinReportPeriod;
+
+        // State
+        bool Reporting = false;
+        ui64 LastTs = 0;
+        ui64 LastReportTs = 0;
+
+        // Statistics
+        ui64 MaxCycles;
+        const TProbe* MaxProbe;
+        ui64 MinCycles;
+        ui64 ProbeCycles;
+        ui64 Count;
+
+    public:
+        TCpuTracker();
+        void Enter();
+        void Exit(const TProbe* Probe);
+        static TCpuTracker* TlsInstance() {
+            struct TCpuTrackerkHolder {
+                TCpuTracker Tracker;
+            };
+            return &FastTlsSingletonWithPriority<TCpuTrackerkHolder, 4>()->Tracker;
+        }
+
+    private:
+        void AddStats(const TProbe* probe, ui64 cycles);
+        void ResetStats();
+        void Report();
+        void ReportNotReentrant();
+        static double MilliSeconds(ui64 cycles);
+    };
+
+    class TScopedThreadCpuTracker {
+    private:
+        const TProbe* Probe;
+        TCpuTracker* Tracker;
+
+    public:
+        template <class T>
+        explicit TScopedThreadCpuTracker(const T& probe)
+            : Probe(&probe.Probe)
+            , Tracker(TCpuTracker::TlsInstance())
+        {
+            Tracker->Enter();
+        }
+
+        ~TScopedThreadCpuTracker() {
+            Tracker->Exit(Probe);
+        }
+    };
+
+}
diff --git a/library/cpp/lwtrace/preprocessor.h b/library/cpp/lwtrace/preprocessor.h
index abc21870d6..40865467b2 100644
--- a/library/cpp/lwtrace/preprocessor.h
+++ b/library/cpp/lwtrace/preprocessor.h
@@ -1,8 +1,8 @@
-#pragma once 
- 
-#include "check.h" 
-#include "perf.h" 
-#include "symbol.h" 
+#pragma once
+
+#include "check.h"
+#include "perf.h"
+#include "symbol.h"
 
 #include <util/generic/hide_ptr.h>
 #include <util/system/platform.h>
@@ -15,281 +15,281 @@
 #endif // LWTRACE_DISABLE
 #endif // _win_
 
-// Maximum number of executors that can be attached to a probe 
-#define LWTRACE_MAX_ACTIONS 100 
- 
-// Maximum number of groups that can be assigned to a probe 
-#define LWTRACE_MAX_GROUPS 100 
- 
-#ifndef LWTRACE_DISABLE 
- 
-/* 
- *  WARNING: All macros define in this header must be considered as implementation details and should NOT be used directly 
- *  WARNING: See lwtrace/all.h for macros that represent a user interface of lwtrace library 
- * 
- */ 
- 
-// Use for code generation to handle parameter types. USAGE: 
-// 1. #define FOREACH_PARAMTYPE_MACRO(n, t, v, your_p1, your_p2) your code snippet 
-// 2. FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO, your_p1_value, your_p1_value) 
-//    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO, your_p1_another_value, your_p1_another_value) 
-// 3. #undef FOREACH_PARAMTYPE_MACRO 
+// Maximum number of executors that can be attached to a probe
+#define LWTRACE_MAX_ACTIONS 100
+
+// Maximum number of groups that can be assigned to a probe
+#define LWTRACE_MAX_GROUPS 100
+
+#ifndef LWTRACE_DISABLE
+
+/*
+ *  WARNING: All macros define in this header must be considered as implementation details and should NOT be used directly
+ *  WARNING: See lwtrace/all.h for macros that represent a user interface of lwtrace library
+ *
+ */
+
+// Use for code generation to handle parameter types. USAGE:
+// 1. #define FOREACH_PARAMTYPE_MACRO(n, t, v, your_p1, your_p2) your code snippet
+// 2. FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO, your_p1_value, your_p1_value)
+//    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO, your_p1_another_value, your_p1_another_value)
+// 3. #undef FOREACH_PARAMTYPE_MACRO
 // Type order matters!
-#define FOREACH_PARAMTYPE(MACRO, ...)                         \ 
-    MACRO("i64", i64, I64, ##__VA_ARGS__)                     \ 
-    MACRO("ui64", ui64, Ui64, ##__VA_ARGS__)                  \ 
-    MACRO("double", double, Double, ##__VA_ARGS__)            \ 
-    MACRO("string", TString, Str, ##__VA_ARGS__)              \ 
-    MACRO("symbol", NLWTrace::TSymbol, Symbol, ##__VA_ARGS__) \ 
-    MACRO("check", NLWTrace::TCheck, Check, ##__VA_ARGS__)    \ 
-    /**/ 
- 
-// Used with FOREACH_PARAMTYPE to handle TNil parameter type also 
-#define FOR_NIL_PARAMTYPE(MACRO, ...)     \ 
-    MACRO(NULL, TNil, Nil, ##__VA_ARGS__) \ 
-    /**/ 
- 
+#define FOREACH_PARAMTYPE(MACRO, ...)                         \
+    MACRO("i64", i64, I64, ##__VA_ARGS__)                     \
+    MACRO("ui64", ui64, Ui64, ##__VA_ARGS__)                  \
+    MACRO("double", double, Double, ##__VA_ARGS__)            \
+    MACRO("string", TString, Str, ##__VA_ARGS__)              \
+    MACRO("symbol", NLWTrace::TSymbol, Symbol, ##__VA_ARGS__) \
+    MACRO("check", NLWTrace::TCheck, Check, ##__VA_ARGS__)    \
+    /**/
+
+// Used with FOREACH_PARAMTYPE to handle TNil parameter type also
+#define FOR_NIL_PARAMTYPE(MACRO, ...)     \
+    MACRO(NULL, TNil, Nil, ##__VA_ARGS__) \
+    /**/
+
 // Used for math statements
-#define FOR_MATH_PARAMTYPE(MACRO, ...)                     \ 
-    MACRO("i64", i64, I64, ##__VA_ARGS__)                  \ 
-    MACRO("ui64", ui64, Ui64, ##__VA_ARGS__)               \ 
-    MACRO("check", NLWTrace::TCheck, Check, ##__VA_ARGS__) \ 
+#define FOR_MATH_PARAMTYPE(MACRO, ...)                     \
+    MACRO("i64", i64, I64, ##__VA_ARGS__)                  \
+    MACRO("ui64", ui64, Ui64, ##__VA_ARGS__)               \
+    MACRO("check", NLWTrace::TCheck, Check, ##__VA_ARGS__) \
     /**/
 
-// Use for code generation to handle parameter lists 
+// Use for code generation to handle parameter lists
 // NOTE: this is the only place to change if more parameters needed
-#define FOREACH_PARAMNUM(MACRO, ...) \ 
-    MACRO(0, ##__VA_ARGS__)          \ 
-    MACRO(1, ##__VA_ARGS__)          \ 
-    MACRO(2, ##__VA_ARGS__)          \ 
-    MACRO(3, ##__VA_ARGS__)          \ 
-    MACRO(4, ##__VA_ARGS__)          \ 
-    MACRO(5, ##__VA_ARGS__)          \ 
-    MACRO(6, ##__VA_ARGS__)          \ 
-    MACRO(7, ##__VA_ARGS__)          \ 
-    MACRO(8, ##__VA_ARGS__)          \ 
-    MACRO(9, ##__VA_ARGS__)          \ 
-    MACRO(10, ##__VA_ARGS__)         \ 
-    MACRO(11, ##__VA_ARGS__)         \ 
-    MACRO(12, ##__VA_ARGS__)         \ 
-    MACRO(13, ##__VA_ARGS__)         \ 
-    MACRO(14, ##__VA_ARGS__)         \ 
-    MACRO(15, ##__VA_ARGS__)         \ 
-    MACRO(16, ##__VA_ARGS__)         \ 
-    /**/ 
- 
+#define FOREACH_PARAMNUM(MACRO, ...) \
+    MACRO(0, ##__VA_ARGS__)          \
+    MACRO(1, ##__VA_ARGS__)          \
+    MACRO(2, ##__VA_ARGS__)          \
+    MACRO(3, ##__VA_ARGS__)          \
+    MACRO(4, ##__VA_ARGS__)          \
+    MACRO(5, ##__VA_ARGS__)          \
+    MACRO(6, ##__VA_ARGS__)          \
+    MACRO(7, ##__VA_ARGS__)          \
+    MACRO(8, ##__VA_ARGS__)          \
+    MACRO(9, ##__VA_ARGS__)          \
+    MACRO(10, ##__VA_ARGS__)         \
+    MACRO(11, ##__VA_ARGS__)         \
+    MACRO(12, ##__VA_ARGS__)         \
+    MACRO(13, ##__VA_ARGS__)         \
+    MACRO(14, ##__VA_ARGS__)         \
+    MACRO(15, ##__VA_ARGS__)         \
+    MACRO(16, ##__VA_ARGS__)         \
+    /**/
+
 #define FOREACH_LEFT_TYPE(MACRO, ...) \
-    MACRO(__VA_ARGS__, OT_VARIABLE)   \ 
-    MACRO(__VA_ARGS__, OT_LITERAL)    \ 
-    MACRO(__VA_ARGS__, OT_PARAMETER)  \ 
+    MACRO(__VA_ARGS__, OT_VARIABLE)   \
+    MACRO(__VA_ARGS__, OT_LITERAL)    \
+    MACRO(__VA_ARGS__, OT_PARAMETER)  \
     /**/
 
 #define FOREACH_RIGHT_TYPE(MACRO, ...) \
-    MACRO(__VA_ARGS__, OT_VARIABLE)    \ 
-    MACRO(__VA_ARGS__, OT_LITERAL)     \ 
-    MACRO(__VA_ARGS__, OT_PARAMETER)   \ 
+    MACRO(__VA_ARGS__, OT_VARIABLE)    \
+    MACRO(__VA_ARGS__, OT_LITERAL)     \
+    MACRO(__VA_ARGS__, OT_PARAMETER)   \
     /**/
 
 #define FOREACH_DESTINATION_TYPE(MACRO, ...) \
-    MACRO(__VA_ARGS__, OT_VARIABLE)          \ 
+    MACRO(__VA_ARGS__, OT_VARIABLE)          \
     /**/
 
-// Auxilary macros 
-#define LWTRACE_EXPAND(x) x 
-#define LWTRACE_EAT(...) 
- 
-// Eat last/first comma trick 
-#define LWTRACE_COMMA(bit) LWTRACE_COMMA_##bit() 
-#define LWTRACE_COMMA_0() 
-#define LWTRACE_COMMA_1() , 
- 
-// Macros to pack/unpack tuples, e.g. (x,y,z) 
-#define LWTRACE_UNROLL(...) __VA_ARGS__ 
-#define LWTRACE_ENROLL(...) (__VA_ARGS__) 
- 
-// Param types list handling macros 
-#define LWTRACE_TEMPLATE_PARAMS_I(i) (1) class TP##i = TNil LWTRACE_COMMA 
-#define LWTRACE_TEMPLATE_PARAMS LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_TEMPLATE_PARAMS_I)(0)) 
-#define LWTRACE_TEMPLATE_PARAMS_NODEF_I(i) (1) class TP##i LWTRACE_COMMA 
-#define LWTRACE_TEMPLATE_PARAMS_NODEF LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_TEMPLATE_PARAMS_NODEF_I)(0)) 
-#define LWTRACE_TEMPLATE_ARGS_I(i) (1) TP##i LWTRACE_COMMA 
-#define LWTRACE_TEMPLATE_ARGS LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_TEMPLATE_ARGS_I)(0)) 
+// Auxilary macros
+#define LWTRACE_EXPAND(x) x
+#define LWTRACE_EAT(...)
+
+// Eat last/first comma trick
+#define LWTRACE_COMMA(bit) LWTRACE_COMMA_##bit()
+#define LWTRACE_COMMA_0()
+#define LWTRACE_COMMA_1() ,
+
+// Macros to pack/unpack tuples, e.g. (x,y,z)
+#define LWTRACE_UNROLL(...) __VA_ARGS__
+#define LWTRACE_ENROLL(...) (__VA_ARGS__)
+
+// Param types list handling macros
+#define LWTRACE_TEMPLATE_PARAMS_I(i) (1) class TP##i = TNil LWTRACE_COMMA
+#define LWTRACE_TEMPLATE_PARAMS LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_TEMPLATE_PARAMS_I)(0))
+#define LWTRACE_TEMPLATE_PARAMS_NODEF_I(i) (1) class TP##i LWTRACE_COMMA
+#define LWTRACE_TEMPLATE_PARAMS_NODEF LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_TEMPLATE_PARAMS_NODEF_I)(0))
+#define LWTRACE_TEMPLATE_ARGS_I(i) (1) TP##i LWTRACE_COMMA
+#define LWTRACE_TEMPLATE_ARGS LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_TEMPLATE_ARGS_I)(0))
 #define LWTRACE_FUNCTION_PARAMS_I(i) (1) typename ::NLWTrace::TParamTraits<TP##i>::TFuncParam p##i = ERROR_not_enough_parameters() LWTRACE_COMMA
-#define LWTRACE_FUNCTION_PARAMS LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_FUNCTION_PARAMS_I)(0)) 
+#define LWTRACE_FUNCTION_PARAMS LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_FUNCTION_PARAMS_I)(0))
 #define LWTRACE_PREPARE_PARAMS_I(i, params) params.Param[i].template CopyConstruct<typename ::NLWTrace::TParamTraits<TP##i>::TStoreType>(::NLWTrace::TParamTraits<TP##i>::ToStoreType(p##i));
-#define LWTRACE_PREPARE_PARAMS(params)                     \ 
-    do {                                                   \ 
-        FOREACH_PARAMNUM(LWTRACE_PREPARE_PARAMS_I, params) \ 
-    } while (false) 
-#define LWTRACE_COUNT_PARAMS_I(i) +(std::is_same<TP##i, ::NLWTrace::TNil>::value ? 0 : 1) 
-#define LWTRACE_COUNT_PARAMS (0 FOREACH_PARAMNUM(LWTRACE_COUNT_PARAMS_I)) 
-#define LWTRACE_MAX_PARAMS_I(i) +1 
-#define LWTRACE_MAX_PARAMS (0 FOREACH_PARAMNUM(LWTRACE_MAX_PARAMS_I)) 
- 
-// Determine maximum sizeof(t) over all supported types 
-#define LWTRACE_MAX_PARAM_SIZE_TA_TAIL_I(n, t, v) v, 
-#define LWTRACE_MAX_PARAM_SIZE_TA_TAIL                  \ 
-    FOREACH_PARAMTYPE(LWTRACE_MAX_PARAM_SIZE_TA_TAIL_I) \ 
-    0 
-#define LWTRACE_MAX_PARAM_SIZE_TP_I(n, t, v) , size_t v = 0 
-#define LWTRACE_MAX_PARAM_SIZE_TP size_t Head = 0 FOREACH_PARAMTYPE(LWTRACE_MAX_PARAM_SIZE_TP_I) 
-#define LWTRACE_MAX_PARAM_SIZE_TA_I(n, t, v) , sizeof(t) 
-#define LWTRACE_MAX_PARAM_SIZE_TA 0 FOREACH_PARAMTYPE(LWTRACE_MAX_PARAM_SIZE_TA_I) 
-#define LWTRACE_MAX_PARAM_SIZE ::NLWTrace::TMaxParamSize<LWTRACE_MAX_PARAM_SIZE_TA>::Result 
- 
-namespace NLWTrace { 
-    template <LWTRACE_MAX_PARAM_SIZE_TP> 
-    struct TMaxParamSize { 
-        static const size_t Tail = TMaxParamSize<LWTRACE_MAX_PARAM_SIZE_TA_TAIL>::Result; 
-        static const size_t Result = (Head > Tail ? Head : Tail); 
-    }; 
- 
-    template <> 
-    struct TMaxParamSize<> { 
-        static const size_t Result = 0; 
-    }; 
- 
-} 
- 
-// Define stuff that is needed to register probes before main() 
-#define LWTRACE_REGISTER_PROBES(provider)                                                           \ 
-    namespace LWTRACE_GET_NAMESPACE(provider) {                                                     \ 
-        struct TInitLWTrace##provider {                                                             \ 
-            TInitLWTrace##provider() {                                                              \ 
-                Singleton<NLWTrace::TProbeRegistry>()->AddProbesList(LWTRACE_GET_PROBES(provider)); \ 
-            }                                                                                       \ 
-            /* This may not be in anonymous namespace because otherwise */                          \ 
-            /* it is called twice when .so loaded twice */                                          \ 
-        }* InitLWTrace##provider = Singleton<TInitLWTrace##provider>();                             \ 
-    }                                                                                               \ 
-    /**/ 
- 
-// Macro for TSignature POD structure static initialization 
-#define LWTRACE_SIGNATURE_CTOR(types, names)                                                                          \ 
-    {                                                                                                                 \ 
-        /* ParamTypes */ ::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::ParamTypes,                \ 
-            /* ParamNames */ {LWTRACE_EXPAND(LWTRACE_UNROLL names)},                                                  \ 
-            /* ParamCount */ ::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::ParamCount,            \ 
-            /* SerializeParams */ &::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::SerializeParams, \ 
-            /* CloneParams */ &::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::CloneParams,         \ 
+#define LWTRACE_PREPARE_PARAMS(params)                     \
+    do {                                                   \
+        FOREACH_PARAMNUM(LWTRACE_PREPARE_PARAMS_I, params) \
+    } while (false)
+#define LWTRACE_COUNT_PARAMS_I(i) +(std::is_same<TP##i, ::NLWTrace::TNil>::value ? 0 : 1)
+#define LWTRACE_COUNT_PARAMS (0 FOREACH_PARAMNUM(LWTRACE_COUNT_PARAMS_I))
+#define LWTRACE_MAX_PARAMS_I(i) +1
+#define LWTRACE_MAX_PARAMS (0 FOREACH_PARAMNUM(LWTRACE_MAX_PARAMS_I))
+
+// Determine maximum sizeof(t) over all supported types
+#define LWTRACE_MAX_PARAM_SIZE_TA_TAIL_I(n, t, v) v,
+#define LWTRACE_MAX_PARAM_SIZE_TA_TAIL                  \
+    FOREACH_PARAMTYPE(LWTRACE_MAX_PARAM_SIZE_TA_TAIL_I) \
+    0
+#define LWTRACE_MAX_PARAM_SIZE_TP_I(n, t, v) , size_t v = 0
+#define LWTRACE_MAX_PARAM_SIZE_TP size_t Head = 0 FOREACH_PARAMTYPE(LWTRACE_MAX_PARAM_SIZE_TP_I)
+#define LWTRACE_MAX_PARAM_SIZE_TA_I(n, t, v) , sizeof(t)
+#define LWTRACE_MAX_PARAM_SIZE_TA 0 FOREACH_PARAMTYPE(LWTRACE_MAX_PARAM_SIZE_TA_I)
+#define LWTRACE_MAX_PARAM_SIZE ::NLWTrace::TMaxParamSize<LWTRACE_MAX_PARAM_SIZE_TA>::Result
+
+namespace NLWTrace {
+    template <LWTRACE_MAX_PARAM_SIZE_TP>
+    struct TMaxParamSize {
+        static const size_t Tail = TMaxParamSize<LWTRACE_MAX_PARAM_SIZE_TA_TAIL>::Result;
+        static const size_t Result = (Head > Tail ? Head : Tail);
+    };
+
+    template <>
+    struct TMaxParamSize<> {
+        static const size_t Result = 0;
+    };
+
+}
+
+// Define stuff that is needed to register probes before main()
+#define LWTRACE_REGISTER_PROBES(provider)                                                           \
+    namespace LWTRACE_GET_NAMESPACE(provider) {                                                     \
+        struct TInitLWTrace##provider {                                                             \
+            TInitLWTrace##provider() {                                                              \
+                Singleton<NLWTrace::TProbeRegistry>()->AddProbesList(LWTRACE_GET_PROBES(provider)); \
+            }                                                                                       \
+            /* This may not be in anonymous namespace because otherwise */                          \
+            /* it is called twice when .so loaded twice */                                          \
+        }* InitLWTrace##provider = Singleton<TInitLWTrace##provider>();                             \
+    }                                                                                               \
+    /**/
+
+// Macro for TSignature POD structure static initialization
+#define LWTRACE_SIGNATURE_CTOR(types, names)                                                                          \
+    {                                                                                                                 \
+        /* ParamTypes */ ::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::ParamTypes,                \
+            /* ParamNames */ {LWTRACE_EXPAND(LWTRACE_UNROLL names)},                                                  \
+            /* ParamCount */ ::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::ParamCount,            \
+            /* SerializeParams */ &::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::SerializeParams, \
+            /* CloneParams */ &::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::CloneParams,         \
             /* DestroyParams */ &::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::DestroyParams,     \
             /* SerializeToPb */ &::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::SerializeToPb,     \
             /* DeserializeFromPb */ &::NLWTrace::TUserSignature<LWTRACE_EXPAND(LWTRACE_UNROLL types)>::DeserializeFromPb\
-    } 
- 
-// Macro for TEvent POD structure static initialization 
-#define LWTRACE_EVENT_CTOR(name, groups, types, names)                   \ 
-    {                                                                    \ 
-        /* Name */ #name,                                                \ 
-            /* Groups */ {LWTRACE_EXPAND(LWTRACE_UNROLL_GROUPS groups)}, \ 
-            /* Signature */ LWTRACE_SIGNATURE_CTOR(types, names)         \ 
-    } 
- 
-// Macro for TProbe POD structure static initialization 
-#define LWTRACE_PROBE_CTOR(name, groups, types, names)              \ 
-    {                                                               \ 
-        /* Event */ LWTRACE_EVENT_CTOR(name, groups, types, names), \ 
-            /* ExecutorsCount */ 0,                                 \ 
-            /* Lock */ {0},                                         \ 
-            /* Executors */ {0},                                    \ 
-            /* Front */ 0,                                          \ 
-            /* Back */ 0                                            \ 
-    } 
- 
-// Provider static data accessors 
-#define LWTRACE_GET_NAMESPACE(provider) NLWTrace_##provider 
-#define LWTRACE_GET_NAME(name) lwtrace_##name 
-#define LWTRACE_GET_TYPE(name) TLWTrace_##name 
-#define LWTRACE_GET_PROBES_I(provider) gProbes##provider 
-#define LWTRACE_GET_EVENTS_I(provider) gEvents##provider 
- 
-// Declaration of provider static data 
-#define LWTRACE_DECLARE_PROBE(name, groups, types, names)                                        \ 
-    typedef ::NLWTrace::TUserProbe<LWTRACE_EXPAND(LWTRACE_UNROLL types)> LWTRACE_GET_TYPE(name); \ 
-    extern LWTRACE_GET_TYPE(name) LWTRACE_GET_NAME(name);                                        \ 
-    /**/ 
-#define LWTRACE_DECLARE_EVENT(name, groups, types, names)                                        \ 
-    typedef ::NLWTrace::TUserEvent<LWTRACE_EXPAND(LWTRACE_UNROLL types)> LWTRACE_GET_TYPE(name); \ 
-    extern LWTRACE_GET_TYPE(name) LWTRACE_GET_NAME(name);                                        \ 
-    /**/ 
-#define LWTRACE_DECLARE_PROVIDER_I(provider)                                                                   \ 
-    namespace LWTRACE_GET_NAMESPACE(provider) {                                                                \ 
-        provider(LWTRACE_DECLARE_PROBE, LWTRACE_DECLARE_EVENT, LWTRACE_ENROLL, LWTRACE_ENROLL, LWTRACE_ENROLL) \ 
-    }                                                                                                          \ 
-    extern ::NLWTrace::TProbe* LWTRACE_GET_PROBES_I(provider)[];                                               \ 
-    extern ::NLWTrace::TEvent* LWTRACE_GET_EVENTS_I(provider)[];                                               \ 
-    /**/ 
- 
-// Initialization of provider static data 
-#define LWTRACE_UNROLL_GROUPS(x) #x, LWTRACE_UNROLL 
-#define LWTRACE_DEFINE_PROBE(name, groups, types, names)  \ 
-    LWTRACE_GET_TYPE(name)                                \ 
-    LWTRACE_GET_NAME(name) =                              \ 
-        {LWTRACE_PROBE_CTOR(name, groups, types, names)}; \ 
-    /**/ 
-#define LWTRACE_DEFINE_EVENT(name, groups, types, names)  \ 
-    LWTRACE_GET_TYPE(name)                                \ 
-    LWTRACE_GET_NAME(name) =                              \ 
-        {LWTRACE_EVENT_CTOR(name, groups, types, names)}; \ 
-    /**/ 
-#define LWTRACE_PROBE_ADDRESS_I(name, groups, types, names) \ 
-    LWTRACE_GET_NAME(name).Probe, /**/ 
-#define LWTRACE_PROBE_ADDRESS(provider) \ 
-    &LWTRACE_GET_NAMESPACE(provider)::LWTRACE_PROBE_ADDRESS_I /**/ 
-#define LWTRACE_EVENT_ADDRESS_I(name, groups, types, names) \ 
-    LWTRACE_GET_NAME(name).Event, /**/ 
-#define LWTRACE_EVENT_ADDRESS(provider) \ 
-    &LWTRACE_GET_NAMESPACE(provider)::LWTRACE_EVENT_ADDRESS_I /**/ 
-#define LWTRACE_DEFINE_PROVIDER_I(provider)                                                                            \ 
-    namespace LWTRACE_GET_NAMESPACE(provider) {                                                                        \ 
-        provider(LWTRACE_DEFINE_PROBE, LWTRACE_DEFINE_EVENT, (provider)LWTRACE_ENROLL, LWTRACE_ENROLL, LWTRACE_ENROLL) \ 
-    }                                                                                                                  \ 
-    ::NLWTrace::TProbe* LWTRACE_GET_PROBES_I(provider)[] = {                                                           \ 
-        provider(LWTRACE_PROBE_ADDRESS(provider), LWTRACE_EAT, LWTRACE_ENROLL, LWTRACE_ENROLL, LWTRACE_ENROLL)         \ 
-            NULL};                                                                                                     \ 
-    ::NLWTrace::TEvent* LWTRACE_GET_EVENTS_I(provider)[] = {                                                           \ 
-        provider(LWTRACE_EAT, LWTRACE_EVENT_ADDRESS(provider), LWTRACE_ENROLL, LWTRACE_ENROLL, LWTRACE_ENROLL)         \ 
-            NULL};                                                                                                     \ 
-    LWTRACE_REGISTER_PROBES(provider) 
-    /**/ 
- 
-#define LWPROBE_I(probe, ...)                                       \ 
-    do {                                                            \ 
-        if ((probe).Probe.GetExecutorsCount() > 0) {                \ 
-            ::NLWTrace::TScopedThreadCpuTracker _cpuTracker(probe); \ 
-            TReadSpinLockGuard g((probe).Probe.Lock);               \ 
-            if ((probe).Probe.GetExecutorsCount() > 0) {            \ 
-                (probe)(__VA_ARGS__);                               \ 
-            }                                                       \ 
-        }                                                           \ 
-    } while (false) /**/ 
- 
+    }
+
+// Macro for TEvent POD structure static initialization
+#define LWTRACE_EVENT_CTOR(name, groups, types, names)                   \
+    {                                                                    \
+        /* Name */ #name,                                                \
+            /* Groups */ {LWTRACE_EXPAND(LWTRACE_UNROLL_GROUPS groups)}, \
+            /* Signature */ LWTRACE_SIGNATURE_CTOR(types, names)         \
+    }
+
+// Macro for TProbe POD structure static initialization
+#define LWTRACE_PROBE_CTOR(name, groups, types, names)              \
+    {                                                               \
+        /* Event */ LWTRACE_EVENT_CTOR(name, groups, types, names), \
+            /* ExecutorsCount */ 0,                                 \
+            /* Lock */ {0},                                         \
+            /* Executors */ {0},                                    \
+            /* Front */ 0,                                          \
+            /* Back */ 0                                            \
+    }
+
+// Provider static data accessors
+#define LWTRACE_GET_NAMESPACE(provider) NLWTrace_##provider
+#define LWTRACE_GET_NAME(name) lwtrace_##name
+#define LWTRACE_GET_TYPE(name) TLWTrace_##name
+#define LWTRACE_GET_PROBES_I(provider) gProbes##provider
+#define LWTRACE_GET_EVENTS_I(provider) gEvents##provider
+
+// Declaration of provider static data
+#define LWTRACE_DECLARE_PROBE(name, groups, types, names)                                        \
+    typedef ::NLWTrace::TUserProbe<LWTRACE_EXPAND(LWTRACE_UNROLL types)> LWTRACE_GET_TYPE(name); \
+    extern LWTRACE_GET_TYPE(name) LWTRACE_GET_NAME(name);                                        \
+    /**/
+#define LWTRACE_DECLARE_EVENT(name, groups, types, names)                                        \
+    typedef ::NLWTrace::TUserEvent<LWTRACE_EXPAND(LWTRACE_UNROLL types)> LWTRACE_GET_TYPE(name); \
+    extern LWTRACE_GET_TYPE(name) LWTRACE_GET_NAME(name);                                        \
+    /**/
+#define LWTRACE_DECLARE_PROVIDER_I(provider)                                                                   \
+    namespace LWTRACE_GET_NAMESPACE(provider) {                                                                \
+        provider(LWTRACE_DECLARE_PROBE, LWTRACE_DECLARE_EVENT, LWTRACE_ENROLL, LWTRACE_ENROLL, LWTRACE_ENROLL) \
+    }                                                                                                          \
+    extern ::NLWTrace::TProbe* LWTRACE_GET_PROBES_I(provider)[];                                               \
+    extern ::NLWTrace::TEvent* LWTRACE_GET_EVENTS_I(provider)[];                                               \
+    /**/
+
+// Initialization of provider static data
+#define LWTRACE_UNROLL_GROUPS(x) #x, LWTRACE_UNROLL
+#define LWTRACE_DEFINE_PROBE(name, groups, types, names)  \
+    LWTRACE_GET_TYPE(name)                                \
+    LWTRACE_GET_NAME(name) =                              \
+        {LWTRACE_PROBE_CTOR(name, groups, types, names)}; \
+    /**/
+#define LWTRACE_DEFINE_EVENT(name, groups, types, names)  \
+    LWTRACE_GET_TYPE(name)                                \
+    LWTRACE_GET_NAME(name) =                              \
+        {LWTRACE_EVENT_CTOR(name, groups, types, names)}; \
+    /**/
+#define LWTRACE_PROBE_ADDRESS_I(name, groups, types, names) \
+    LWTRACE_GET_NAME(name).Probe, /**/
+#define LWTRACE_PROBE_ADDRESS(provider) \
+    &LWTRACE_GET_NAMESPACE(provider)::LWTRACE_PROBE_ADDRESS_I /**/
+#define LWTRACE_EVENT_ADDRESS_I(name, groups, types, names) \
+    LWTRACE_GET_NAME(name).Event, /**/
+#define LWTRACE_EVENT_ADDRESS(provider) \
+    &LWTRACE_GET_NAMESPACE(provider)::LWTRACE_EVENT_ADDRESS_I /**/
+#define LWTRACE_DEFINE_PROVIDER_I(provider)                                                                            \
+    namespace LWTRACE_GET_NAMESPACE(provider) {                                                                        \
+        provider(LWTRACE_DEFINE_PROBE, LWTRACE_DEFINE_EVENT, (provider)LWTRACE_ENROLL, LWTRACE_ENROLL, LWTRACE_ENROLL) \
+    }                                                                                                                  \
+    ::NLWTrace::TProbe* LWTRACE_GET_PROBES_I(provider)[] = {                                                           \
+        provider(LWTRACE_PROBE_ADDRESS(provider), LWTRACE_EAT, LWTRACE_ENROLL, LWTRACE_ENROLL, LWTRACE_ENROLL)         \
+            NULL};                                                                                                     \
+    ::NLWTrace::TEvent* LWTRACE_GET_EVENTS_I(provider)[] = {                                                           \
+        provider(LWTRACE_EAT, LWTRACE_EVENT_ADDRESS(provider), LWTRACE_ENROLL, LWTRACE_ENROLL, LWTRACE_ENROLL)         \
+            NULL};                                                                                                     \
+    LWTRACE_REGISTER_PROBES(provider)
+    /**/
+
+#define LWPROBE_I(probe, ...)                                       \
+    do {                                                            \
+        if ((probe).Probe.GetExecutorsCount() > 0) {                \
+            ::NLWTrace::TScopedThreadCpuTracker _cpuTracker(probe); \
+            TReadSpinLockGuard g((probe).Probe.Lock);               \
+            if ((probe).Probe.GetExecutorsCount() > 0) {            \
+                (probe)(__VA_ARGS__);                               \
+            }                                                       \
+        }                                                           \
+    } while (false) /**/
+
 #define LWPROBE_ENABLED_I(probe) ((probe).Probe.GetExecutorsCount() > 0)
 
-#define LWPROBE_DURATION_I(probetype, uniqid, probe, ...) probetype ::TScopedDuration uniqid(probe, 0 /* fake P0 - used for duration */, ##__VA_ARGS__); 
- 
-#define LWTRACK_I(probe, orbit, ...)                                    \ 
-    do {                                                                \ 
-        if ((probe).Probe.GetExecutorsCount() > 0) {                    \ 
-            ::NLWTrace::TScopedThreadCpuTracker _cpuTracker(probe);     \ 
-            TReadSpinLockGuard g((probe).Probe.Lock);                   \ 
-            if ((probe).Probe.GetExecutorsCount() > 0) {                \ 
-                (probe).Run(orbit, ##__VA_ARGS__);                      \ 
-            }                                                           \ 
-        } else {                                                        \ 
-            auto& _orbit = (orbit);                                     \ 
-            if (HasShuttles(_orbit)) {                                  \ 
-                ::NLWTrace::TScopedThreadCpuTracker _cpuTracker(probe); \ 
-                (probe).RunShuttles(_orbit, ##__VA_ARGS__);             \ 
-            }                                                           \ 
-        }                                                               \ 
-    } while (false) /**/ 
- 
-#define LWEVENT_I(event, ...) (event)(__VA_ARGS__) 
- 
-#else 
-#define LWTRACE_MAX_PARAM_SIZE sizeof(void*) 
-#define LWTRACE_MAX_PARAMS 1 
-#define FOREACH_PARAMTYPE(MACRO, ...) 
- 
-#endif 
+#define LWPROBE_DURATION_I(probetype, uniqid, probe, ...) probetype ::TScopedDuration uniqid(probe, 0 /* fake P0 - used for duration */, ##__VA_ARGS__);
+
+#define LWTRACK_I(probe, orbit, ...)                                    \
+    do {                                                                \
+        if ((probe).Probe.GetExecutorsCount() > 0) {                    \
+            ::NLWTrace::TScopedThreadCpuTracker _cpuTracker(probe);     \
+            TReadSpinLockGuard g((probe).Probe.Lock);                   \
+            if ((probe).Probe.GetExecutorsCount() > 0) {                \
+                (probe).Run(orbit, ##__VA_ARGS__);                      \
+            }                                                           \
+        } else {                                                        \
+            auto& _orbit = (orbit);                                     \
+            if (HasShuttles(_orbit)) {                                  \
+                ::NLWTrace::TScopedThreadCpuTracker _cpuTracker(probe); \
+                (probe).RunShuttles(_orbit, ##__VA_ARGS__);             \
+            }                                                           \
+        }                                                               \
+    } while (false) /**/
+
+#define LWEVENT_I(event, ...) (event)(__VA_ARGS__)
+
+#else
+#define LWTRACE_MAX_PARAM_SIZE sizeof(void*)
+#define LWTRACE_MAX_PARAMS 1
+#define FOREACH_PARAMTYPE(MACRO, ...)
+
+#endif
diff --git a/library/cpp/lwtrace/probe.h b/library/cpp/lwtrace/probe.h
index 1efd2361da..31fa282da3 100644
--- a/library/cpp/lwtrace/probe.h
+++ b/library/cpp/lwtrace/probe.h
@@ -1,266 +1,266 @@
-#pragma once 
- 
-#include "event.h" 
-#include "preprocessor.h" 
-#include "rwspinlock.h" 
-#include "shuttle.h" 
- 
+#pragma once
+
+#include "event.h"
+#include "preprocessor.h"
+#include "rwspinlock.h"
+#include "shuttle.h"
+
 #include <util/datetime/cputimer.h>
 #include <util/generic/hide_ptr.h>
 #include <util/generic/scope.h>
 #include <util/system/atomic.h>
 
-namespace NLWTrace { 
-    // Represents a chain (linked list) of steps for execution of a trace query block 
-    // NOTE: different executor objects are used on different probes (even for the same query block) 
-    class IExecutor { 
-    private: 
-        IExecutor* Next; 
- 
-    public: 
-        IExecutor() 
-            : Next(nullptr) 
-        { 
-        } 
- 
-        virtual ~IExecutor() { 
-            if (Next != nullptr) { 
-                delete Next; 
-            } 
-        } 
- 
-        void Execute(TOrbit& orbit, const TParams& params) { 
-            if (DoExecute(orbit, params) && Next != nullptr) { 
-                Next->Execute(orbit, params); 
-            } 
-        } 
- 
-        void SetNext(IExecutor* next) { 
-            Next = next; 
-        } 
- 
-        IExecutor* GetNext() { 
-            return Next; 
-        } 
- 
-        const IExecutor* GetNext() const { 
-            return Next; 
-        } 
- 
-    protected: 
-        virtual bool DoExecute(TOrbit& orbit, const TParams& params) = 0; 
-    }; 
- 
-    // Common class for all probes 
-    struct TProbe { 
-        // Const configuration 
-        TEvent Event; 
- 
-        // State that don't need any locking 
-        TAtomic ExecutorsCount; 
- 
-        // State that must be accessed under lock 
-        TRWSpinLock Lock; 
-        IExecutor* Executors[LWTRACE_MAX_ACTIONS]; 
-        IExecutor** Front; // Invalid if ExecutorsCount == 0 
-        IExecutor** Back;  // Invalid if ExecutorsCount == 0 
- 
-        void Init() { 
-            ExecutorsCount = 0; 
-            Lock.Init(); 
-            Zero(Executors); 
-            Front = nullptr; 
-            Back = nullptr; 
-        } 
- 
-        IExecutor** First() { 
-            return Executors; 
-        } 
- 
-        IExecutor** Last() { 
-            return Executors + LWTRACE_MAX_ACTIONS; 
-        } 
- 
-        void Inc(IExecutor**& it) { 
-            it++; 
-            if (it == Last()) { 
-                it = First(); 
-            } 
-        } 
- 
-        intptr_t GetExecutorsCount() const { 
-            return AtomicGet(ExecutorsCount); 
-        } 
- 
-        bool Attach(IExecutor* exec) { 
-            TWriteSpinLockGuard g(Lock); 
-            if (ExecutorsCount > 0) { 
-                for (IExecutor** it = Front;; Inc(it)) { 
-                    if (*it == nullptr) { 
-                        *it = exec; 
-                        AtomicIncrement(ExecutorsCount); 
-                        return true; // Inserted into free slot in [First; Last] 
-                    } 
-                    if (it == Back) { 
-                        break; 
-                    } 
-                } 
-                IExecutor** newBack = Back; 
-                Inc(newBack); 
-                if (newBack == Front) { 
-                    return false; // Buffer is full 
-                } else { 
-                    Back = newBack; 
-                    *Back = exec; 
-                    AtomicIncrement(ExecutorsCount); 
-                    return true; // Inserted after Last 
-                } 
-            } else { 
-                Front = Back = First(); 
-                *Front = exec; 
-                AtomicIncrement(ExecutorsCount); 
-                return true; // Inserted as a first element 
-            } 
-        } 
- 
-        bool Detach(IExecutor* exec) { 
-            TWriteSpinLockGuard g(Lock); 
-            for (IExecutor** it = First(); it != Last(); it++) { 
-                if ((*it) == exec) { 
-                    *it = nullptr; 
-                    AtomicDecrement(ExecutorsCount); 
-                    if (ExecutorsCount > 0) { 
-                        for (;; Inc(Front)) { 
-                            if (*Front != nullptr) { 
-                                break; 
-                            } 
-                            if (Front == Back) { 
-                                break; 
-                            } 
-                        } 
-                    } 
-                    return true; 
-                } 
-            } 
-            return false; 
-        } 
- 
-        void RunExecutors(TOrbit& orbit, const TParams& params) { 
-            // Read lock is implied 
-            if (ExecutorsCount > 0) { 
-                for (IExecutor** it = Front;; Inc(it)) { 
-                    IExecutor* exec = *it; 
-                    if (exec) { 
-                        exec->Execute(orbit, params); 
-                    } 
-                    if (it == Back) { 
-                        break; 
-                    } 
-                } 
-            } 
-        } 
- 
-        void RunShuttles(TOrbit& orbit, const TParams& params) { 
-            orbit.AddProbe(this, params); 
-        } 
-    }; 
- 
-#ifndef LWTRACE_DISABLE 
- 
-    template <class T> 
-    inline void PreparePtr(const T& ref, const T*& ptr) { 
-        ptr = &ref; 
-    } 
- 
-    template <> 
-    inline void PreparePtr<TNil>(const TNil&, const TNil*&) { 
-    } 
- 
+namespace NLWTrace {
+    // Represents a chain (linked list) of steps for execution of a trace query block
+    // NOTE: different executor objects are used on different probes (even for the same query block)
+    class IExecutor {
+    private:
+        IExecutor* Next;
+
+    public:
+        IExecutor()
+            : Next(nullptr)
+        {
+        }
+
+        virtual ~IExecutor() {
+            if (Next != nullptr) {
+                delete Next;
+            }
+        }
+
+        void Execute(TOrbit& orbit, const TParams& params) {
+            if (DoExecute(orbit, params) && Next != nullptr) {
+                Next->Execute(orbit, params);
+            }
+        }
+
+        void SetNext(IExecutor* next) {
+            Next = next;
+        }
+
+        IExecutor* GetNext() {
+            return Next;
+        }
+
+        const IExecutor* GetNext() const {
+            return Next;
+        }
+
+    protected:
+        virtual bool DoExecute(TOrbit& orbit, const TParams& params) = 0;
+    };
+
+    // Common class for all probes
+    struct TProbe {
+        // Const configuration
+        TEvent Event;
+
+        // State that don't need any locking
+        TAtomic ExecutorsCount;
+
+        // State that must be accessed under lock
+        TRWSpinLock Lock;
+        IExecutor* Executors[LWTRACE_MAX_ACTIONS];
+        IExecutor** Front; // Invalid if ExecutorsCount == 0
+        IExecutor** Back;  // Invalid if ExecutorsCount == 0
+
+        void Init() {
+            ExecutorsCount = 0;
+            Lock.Init();
+            Zero(Executors);
+            Front = nullptr;
+            Back = nullptr;
+        }
+
+        IExecutor** First() {
+            return Executors;
+        }
+
+        IExecutor** Last() {
+            return Executors + LWTRACE_MAX_ACTIONS;
+        }
+
+        void Inc(IExecutor**& it) {
+            it++;
+            if (it == Last()) {
+                it = First();
+            }
+        }
+
+        intptr_t GetExecutorsCount() const {
+            return AtomicGet(ExecutorsCount);
+        }
+
+        bool Attach(IExecutor* exec) {
+            TWriteSpinLockGuard g(Lock);
+            if (ExecutorsCount > 0) {
+                for (IExecutor** it = Front;; Inc(it)) {
+                    if (*it == nullptr) {
+                        *it = exec;
+                        AtomicIncrement(ExecutorsCount);
+                        return true; // Inserted into free slot in [First; Last]
+                    }
+                    if (it == Back) {
+                        break;
+                    }
+                }
+                IExecutor** newBack = Back;
+                Inc(newBack);
+                if (newBack == Front) {
+                    return false; // Buffer is full
+                } else {
+                    Back = newBack;
+                    *Back = exec;
+                    AtomicIncrement(ExecutorsCount);
+                    return true; // Inserted after Last
+                }
+            } else {
+                Front = Back = First();
+                *Front = exec;
+                AtomicIncrement(ExecutorsCount);
+                return true; // Inserted as a first element
+            }
+        }
+
+        bool Detach(IExecutor* exec) {
+            TWriteSpinLockGuard g(Lock);
+            for (IExecutor** it = First(); it != Last(); it++) {
+                if ((*it) == exec) {
+                    *it = nullptr;
+                    AtomicDecrement(ExecutorsCount);
+                    if (ExecutorsCount > 0) {
+                        for (;; Inc(Front)) {
+                            if (*Front != nullptr) {
+                                break;
+                            }
+                            if (Front == Back) {
+                                break;
+                            }
+                        }
+                    }
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        void RunExecutors(TOrbit& orbit, const TParams& params) {
+            // Read lock is implied
+            if (ExecutorsCount > 0) {
+                for (IExecutor** it = Front;; Inc(it)) {
+                    IExecutor* exec = *it;
+                    if (exec) {
+                        exec->Execute(orbit, params);
+                    }
+                    if (it == Back) {
+                        break;
+                    }
+                }
+            }
+        }
+
+        void RunShuttles(TOrbit& orbit, const TParams& params) {
+            orbit.AddProbe(this, params);
+        }
+    };
+
+#ifndef LWTRACE_DISABLE
+
+    template <class T>
+    inline void PreparePtr(const T& ref, const T*& ptr) {
+        ptr = &ref;
+    }
+
+    template <>
+    inline void PreparePtr<TNil>(const TNil&, const TNil*&) {
+    }
+
 #define LWTRACE_SCOPED_FUNCTION_PARAMS_I(i) (1) typename ::NLWTrace::TParamTraits<TP##i>::TFuncParam p##i = ERROR_not_enough_parameters() LWTRACE_COMMA
-#define LWTRACE_SCOPED_FUNCTION_PARAMS LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_SCOPED_FUNCTION_PARAMS_I)(0)) 
-#define LWTRACE_SCOPED_FUNCTION_PARAMS_BY_REF_I(i) (1) typename ::NLWTrace::TParamTraits<TP##i>::TStoreType& p##i = *(ERROR_not_enough_parameters*)(HidePointerOrigin(nullptr))LWTRACE_COMMA 
-#define LWTRACE_SCOPED_FUNCTION_PARAMS_BY_REF LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_SCOPED_FUNCTION_PARAMS_BY_REF_I)(0)) 
-#define LWTRACE_SCOPED_PREPARE_PTRS_I(i) PreparePtr(p##i, P##i); 
-#define LWTRACE_SCOPED_PREPARE_PTRS()                   \ 
-    do {                                                \ 
-        FOREACH_PARAMNUM(LWTRACE_SCOPED_PREPARE_PTRS_I) \ 
-    } while (false) 
-#define LWTRACE_SCOPED_PREPARE_PARAMS_I(i, params) params.Param[i].CopyConstruct<typename ::NLWTrace::TParamTraits<TP##i>::TStoreType>(*P##i); 
-#define LWTRACE_SCOPED_PREPARE_PARAMS(params)                     \ 
-    do {                                                          \ 
-        FOREACH_PARAMNUM(LWTRACE_SCOPED_PREPARE_PARAMS_I, params) \ 
-    } while (false) 
- 
-    template <LWTRACE_TEMPLATE_PARAMS> 
-    struct TUserProbe; 
- 
-    template <LWTRACE_TEMPLATE_PARAMS> 
-    class TScopedDurationImpl { 
-    private: 
-        TUserProbe<LWTRACE_TEMPLATE_ARGS>* Probe; 
-        ui64 Started; 
-        TParams Params; 
- 
-    public: 
-        explicit TScopedDurationImpl(TUserProbe<LWTRACE_TEMPLATE_ARGS>& probe, LWTRACE_SCOPED_FUNCTION_PARAMS) { 
-            if (probe.Probe.GetExecutorsCount() > 0) { 
-                Probe = &probe; 
-                LWTRACE_PREPARE_PARAMS(Params); 
-                Started = GetCycleCount(); 
-            } else { 
-                Probe = nullptr; 
-            } 
-        } 
-        ~TScopedDurationImpl() { 
-            if (Probe) { 
-                if (Probe->Probe.GetExecutorsCount() > 0) { 
-                    TReadSpinLockGuard g(Probe->Probe.Lock); 
-                    if (Probe->Probe.GetExecutorsCount() > 0) { 
-                        ui64 duration = CyclesToDuration(GetCycleCount() - Started).MicroSeconds(); 
-                        Params.Param[0].template CopyConstruct<typename TParamTraits<TP0>::TStoreType>(duration); 
-                        TOrbit orbit; 
-                        Probe->Probe.RunExecutors(orbit, Params); 
-                    } 
-                } 
-                TUserSignature<LWTRACE_TEMPLATE_ARGS>::DestroyParams(Params); 
-            } 
-        } 
-    }; 
- 
-    // Class representing a specific probe 
-    template <LWTRACE_TEMPLATE_PARAMS_NODEF> 
-    struct TUserProbe { 
-        TProbe Probe; 
- 
-        inline void operator()(LWTRACE_FUNCTION_PARAMS) { 
-            TParams params; 
-            LWTRACE_PREPARE_PARAMS(params); 
+#define LWTRACE_SCOPED_FUNCTION_PARAMS LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_SCOPED_FUNCTION_PARAMS_I)(0))
+#define LWTRACE_SCOPED_FUNCTION_PARAMS_BY_REF_I(i) (1) typename ::NLWTrace::TParamTraits<TP##i>::TStoreType& p##i = *(ERROR_not_enough_parameters*)(HidePointerOrigin(nullptr))LWTRACE_COMMA
+#define LWTRACE_SCOPED_FUNCTION_PARAMS_BY_REF LWTRACE_EXPAND(LWTRACE_EAT FOREACH_PARAMNUM(LWTRACE_SCOPED_FUNCTION_PARAMS_BY_REF_I)(0))
+#define LWTRACE_SCOPED_PREPARE_PTRS_I(i) PreparePtr(p##i, P##i);
+#define LWTRACE_SCOPED_PREPARE_PTRS()                   \
+    do {                                                \
+        FOREACH_PARAMNUM(LWTRACE_SCOPED_PREPARE_PTRS_I) \
+    } while (false)
+#define LWTRACE_SCOPED_PREPARE_PARAMS_I(i, params) params.Param[i].CopyConstruct<typename ::NLWTrace::TParamTraits<TP##i>::TStoreType>(*P##i);
+#define LWTRACE_SCOPED_PREPARE_PARAMS(params)                     \
+    do {                                                          \
+        FOREACH_PARAMNUM(LWTRACE_SCOPED_PREPARE_PARAMS_I, params) \
+    } while (false)
+
+    template <LWTRACE_TEMPLATE_PARAMS>
+    struct TUserProbe;
+
+    template <LWTRACE_TEMPLATE_PARAMS>
+    class TScopedDurationImpl {
+    private:
+        TUserProbe<LWTRACE_TEMPLATE_ARGS>* Probe;
+        ui64 Started;
+        TParams Params;
+
+    public:
+        explicit TScopedDurationImpl(TUserProbe<LWTRACE_TEMPLATE_ARGS>& probe, LWTRACE_SCOPED_FUNCTION_PARAMS) {
+            if (probe.Probe.GetExecutorsCount() > 0) {
+                Probe = &probe;
+                LWTRACE_PREPARE_PARAMS(Params);
+                Started = GetCycleCount();
+            } else {
+                Probe = nullptr;
+            }
+        }
+        ~TScopedDurationImpl() {
+            if (Probe) {
+                if (Probe->Probe.GetExecutorsCount() > 0) {
+                    TReadSpinLockGuard g(Probe->Probe.Lock);
+                    if (Probe->Probe.GetExecutorsCount() > 0) {
+                        ui64 duration = CyclesToDuration(GetCycleCount() - Started).MicroSeconds();
+                        Params.Param[0].template CopyConstruct<typename TParamTraits<TP0>::TStoreType>(duration);
+                        TOrbit orbit;
+                        Probe->Probe.RunExecutors(orbit, Params);
+                    }
+                }
+                TUserSignature<LWTRACE_TEMPLATE_ARGS>::DestroyParams(Params);
+            }
+        }
+    };
+
+    // Class representing a specific probe
+    template <LWTRACE_TEMPLATE_PARAMS_NODEF>
+    struct TUserProbe {
+        TProbe Probe;
+
+        inline void operator()(LWTRACE_FUNCTION_PARAMS) {
+            TParams params;
+            LWTRACE_PREPARE_PARAMS(params);
             Y_DEFER { TUserSignature<LWTRACE_TEMPLATE_ARGS>::DestroyParams(params); };
 
-            TOrbit orbit; 
-            Probe.RunExecutors(orbit, params); 
-        } 
- 
-        inline void Run(TOrbit& orbit, LWTRACE_FUNCTION_PARAMS) { 
-            TParams params; 
-            LWTRACE_PREPARE_PARAMS(params); 
+            TOrbit orbit;
+            Probe.RunExecutors(orbit, params);
+        }
+
+        inline void Run(TOrbit& orbit, LWTRACE_FUNCTION_PARAMS) {
+            TParams params;
+            LWTRACE_PREPARE_PARAMS(params);
             Y_DEFER { TUserSignature<LWTRACE_TEMPLATE_ARGS>::DestroyParams(params); };
 
-            Probe.RunExecutors(orbit, params); 
-            Probe.RunShuttles(orbit, params); // Executors can create shuttles 
-        } 
- 
-        // Required to avoid running executors w/o lock 
-        inline void RunShuttles(TOrbit& orbit, LWTRACE_FUNCTION_PARAMS) { 
-            TParams params; 
-            LWTRACE_PREPARE_PARAMS(params); 
-            Probe.RunShuttles(orbit, params); 
-            TUserSignature<LWTRACE_TEMPLATE_ARGS>::DestroyParams(params); 
-        } 
- 
-        typedef TScopedDurationImpl<LWTRACE_TEMPLATE_ARGS> TScopedDuration; 
-    }; 
- 
-#endif 
- 
-} 
+            Probe.RunExecutors(orbit, params);
+            Probe.RunShuttles(orbit, params); // Executors can create shuttles
+        }
+
+        // Required to avoid running executors w/o lock
+        inline void RunShuttles(TOrbit& orbit, LWTRACE_FUNCTION_PARAMS) {
+            TParams params;
+            LWTRACE_PREPARE_PARAMS(params);
+            Probe.RunShuttles(orbit, params);
+            TUserSignature<LWTRACE_TEMPLATE_ARGS>::DestroyParams(params);
+        }
+
+        typedef TScopedDurationImpl<LWTRACE_TEMPLATE_ARGS> TScopedDuration;
+    };
+
+#endif
+
+}
diff --git a/library/cpp/lwtrace/probes.cpp b/library/cpp/lwtrace/probes.cpp
index dba318d340..6f19da0cc8 100644
--- a/library/cpp/lwtrace/probes.cpp
+++ b/library/cpp/lwtrace/probes.cpp
@@ -1,3 +1,3 @@
-#include "probes.h" 
- 
-LWTRACE_DEFINE_PROVIDER(LWTRACE_INTERNAL_PROVIDER) 
+#include "probes.h"
+
+LWTRACE_DEFINE_PROVIDER(LWTRACE_INTERNAL_PROVIDER)
diff --git a/library/cpp/lwtrace/probes.h b/library/cpp/lwtrace/probes.h
index 6c11355038..68810bd118 100644
--- a/library/cpp/lwtrace/probes.h
+++ b/library/cpp/lwtrace/probes.h
@@ -1,12 +1,12 @@
-#pragma once 
- 
+#pragma once
+
 #include "all.h"
- 
-#define LWTRACE_INTERNAL_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)    \ 
-    PROBE(PerfReport, GROUPS(),                                          \ 
-          TYPES(double, double, double, double),                         \ 
-          NAMES("probeShare", "probeMinMs", "probeMaxMs", "probeAvgMs")) \ 
-    PROBE(DeserializationError, GROUPS("LWTraceError"),                  \ 
+
+#define LWTRACE_INTERNAL_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)    \
+    PROBE(PerfReport, GROUPS(),                                          \
+          TYPES(double, double, double, double),                         \
+          NAMES("probeShare", "probeMinMs", "probeMaxMs", "probeAvgMs")) \
+    PROBE(DeserializationError, GROUPS("LWTraceError"),                  \
           TYPES(TString, TString),                                       \
           NAMES("probeName", "providerName"))                            \
     PROBE(Fork, GROUPS(),                                                \
@@ -15,9 +15,9 @@
     PROBE(Join, GROUPS(),                                                \
           TYPES(ui64, ui64),                                             \
           NAMES("spanId", "trackLength"))                                \
-    PROBE(OrbitIsUsedConcurrentlyError, GROUPS("LWTraceError"),          \ 
-          TYPES(TString),                                                \ 
-          NAMES("backtrace"))                                            \ 
-    /**/ 
- 
-LWTRACE_DECLARE_PROVIDER(LWTRACE_INTERNAL_PROVIDER) 
+    PROBE(OrbitIsUsedConcurrentlyError, GROUPS("LWTraceError"),          \
+          TYPES(TString),                                                \
+          NAMES("backtrace"))                                            \
+    /**/
+
+LWTRACE_DECLARE_PROVIDER(LWTRACE_INTERNAL_PROVIDER)
diff --git a/library/cpp/lwtrace/protos/lwtrace.proto b/library/cpp/lwtrace/protos/lwtrace.proto
index 4c07b54625..0051095719 100644
--- a/library/cpp/lwtrace/protos/lwtrace.proto
+++ b/library/cpp/lwtrace/protos/lwtrace.proto
@@ -1,64 +1,64 @@
-/* 
- * This file defines language for trace queries and serialization format for trace logs 
- */ 
+/*
+ * This file defines language for trace queries and serialization format for trace logs
+ */
 syntax = "proto3";
 
-package NLWTrace; 
- 
+package NLWTrace;
+
 option go_package = "a.yandex-team.ru/library/cpp/lwtrace/protos";
 
-message TProbeDesc { 
+message TProbeDesc {
     string Name = 1; // Use either name+provider
     string Provider = 3;
     string Group = 2; // or group
-} 
- 
-enum EOperatorType { 
+}
+
+enum EOperatorType {
     OT_EQ = 0;
     OT_NE = 1;
     OT_LT = 2;
     OT_LE = 3;
     OT_GT = 4;
     OT_GE = 5;
-} 
- 
+}
+
 message TArgument {
     string Param = 1;
-    bytes Value = 2; 
+    bytes Value = 2;
     string Variable = 3;
 }
 
-message TOperator { 
+message TOperator {
     EOperatorType Type = 1;
     repeated TArgument Argument = 8;
-} 
- 
-message TPredicate { 
-    repeated TOperator Operators = 1; // All operators are combined using logical AND 
-    double SampleRate = 2; // value 1.0 means trigger actions on 100% events (do not sample if value is not set) 
-} 
- 
-message TLogAction { 
+}
+
+message TPredicate {
+    repeated TOperator Operators = 1; // All operators are combined using logical AND
+    double SampleRate = 2; // value 1.0 means trigger actions on 100% events (do not sample if value is not set)
+}
+
+message TLogAction {
     bool DoNotLogParams = 2;
     bool LogTimestamp = 3;
     uint32 MaxRecords = 4; // Do not write more than MaxRecords records to the log (count from the trace beginning, not start)
-} 
- 
+}
+
 message TPrintToStderrAction {
 }
 
 message TKillAction {
-} 
- 
+}
+
 message TSleepAction {
     uint64 NanoSeconds = 1;
-} 
- 
-message TCustomAction { 
+}
+
+message TCustomAction {
     string Name = 1;
-    repeated string Opts = 2; 
-} 
- 
+    repeated string Opts = 2;
+}
+
 enum EStatementType {
     ST_MOV = 0;
     ST_ADD = 1;
@@ -77,133 +77,133 @@ message TStatementAction {
     repeated TArgument Argument = 2;
 }
 
-message TRunLogShuttleAction { 
+message TRunLogShuttleAction {
     bool Ignore = 1;
     uint64 ShuttlesCount = 2;
     uint64 MaxTrackLength = 3;
-} 
- 
-message TEditLogShuttleAction { 
+}
+
+message TEditLogShuttleAction {
     bool Ignore = 1;
-} 
- 
-message TDropLogShuttleAction { 
-} 
- 
-message TAction { 
+}
+
+message TDropLogShuttleAction {
+}
+
+message TAction {
     TLogAction LogAction = 2;
     TPrintToStderrAction PrintToStderrAction = 3;
     TCustomAction CustomAction = 4;
     TKillAction KillAction = 6;
     TSleepAction SleepAction = 7;
     TStatementAction StatementAction = 8;
- 
+
     TRunLogShuttleAction RunLogShuttleAction = 100;
     TEditLogShuttleAction EditLogShuttleAction = 101;
     TDropLogShuttleAction DropLogShuttleAction = 102;
-} 
- 
-message TBlock { 
+}
+
+message TBlock {
     TProbeDesc ProbeDesc = 1;
     TPredicate Predicate = 2;
     repeated TAction Action = 3;
-} 
- 
-message TQuery { 
-    // Number of events to hold for every thread in cyclic buffer 
-    // (Won't be used if LogDurationUs is set to non-zero value) 
+}
+
+message TQuery {
+    // Number of events to hold for every thread in cyclic buffer
+    // (Won't be used if LogDurationUs is set to non-zero value)
     uint32 PerThreadLogSize = 1;
- 
-    // Hold events for last Duration microseconds 
-    // (If zero, than per-thread cyclic buffer will be used to store events) 
+
+    // Hold events for last Duration microseconds
+    // (If zero, than per-thread cyclic buffer will be used to store events)
     uint64 LogDurationUs = 2;
- 
-    repeated TBlock Blocks = 3; 
-} 
- 
-message TDashboard { 
-    message TCell { 
-        optional string Url = 1; 
-        optional string Title = 2; 
-        optional string Text = 3; 
-        optional uint32 RowSpan = 4; 
-        optional uint32 ColSpan = 5; 
-    } 
- 
-    message TRow { 
-        repeated TCell Cells = 1; 
-    } 
- 
-    optional string Name = 1; 
-    optional string Description = 2; 
-    repeated TRow Rows = 3; 
-} 
- 
-////////////////////////////////////////////////////////////////////////////////////////////// 
-//                       Serialization format for trace logs                                // 
-////////////////////////////////////////////////////////////////////////////////////////////// 
-enum EParamTypePb { 
-    PT_UNKNOWN = 0; 
-    PT_I64 = 1; 
-    PT_Ui64 = 2; 
-    PT_Double = 3; 
-    PT_Str = 4; 
-    PT_Symbol = 5; 
-    PT_Check = 6; 
-} 
- 
-message TEventPb { 
+
+    repeated TBlock Blocks = 3;
+}
+
+message TDashboard {
+    message TCell {
+        optional string Url = 1;
+        optional string Title = 2;
+        optional string Text = 3;
+        optional uint32 RowSpan = 4;
+        optional uint32 ColSpan = 5;
+    }
+
+    message TRow {
+        repeated TCell Cells = 1;
+    }
+
+    optional string Name = 1;
+    optional string Description = 2;
+    repeated TRow Rows = 3;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////////
+//                       Serialization format for trace logs                                //
+//////////////////////////////////////////////////////////////////////////////////////////////
+enum EParamTypePb {
+    PT_UNKNOWN = 0;
+    PT_I64 = 1;
+    PT_Ui64 = 2;
+    PT_Double = 3;
+    PT_Str = 4;
+    PT_Symbol = 5;
+    PT_Check = 6;
+}
+
+message TEventPb {
     string Name = 1;
-    repeated string Groups = 2; // First group is provider 
-    repeated EParamTypePb ParamTypes = 3; 
-    repeated string ParamNames = 4; 
-} 
- 
-message TLogItemPb { 
+    repeated string Groups = 2; // First group is provider
+    repeated EParamTypePb ParamTypes = 3;
+    repeated string ParamNames = 4;
+}
+
+message TLogItemPb {
     uint64 Thread = 1;
     string Name = 2;
     string Provider = 3;
-    repeated bytes Params = 4; 
+    repeated bytes Params = 4;
     uint64 Timestamp = 5; // microseconds since epoch
     uint64 TimestampCycles = 6; // cycles since machine boot
-} 
- 
-message TThreadLogPb { 
+}
+
+message TThreadLogPb {
     uint64 ThreadId = 1;
-    repeated TLogItemPb LogItems = 2; 
-} 
- 
-message TLogPb { 
-    // Trace info 
+    repeated TLogItemPb LogItems = 2;
+}
+
+message TLogPb {
+    // Trace info
     string Name = 1;
     string Description = 2;
     uint64 EventsCount = 3;
     uint64 CrtTime = 4; // Log creation time (seconds since epoch)
- 
-    // Traced host info 
+
+    // Traced host info
     string Hostname = 101;
- 
-    // Traced process info 
+
+    // Traced process info
     string ProcessName = 201;
-    bytes CommandLine = 202; 
+    bytes CommandLine = 202;
     uint64 ProcessStartTime = 203;
     uint64 Pid = 204;
     string VersionInfo = 205; // Svn info
- 
-    // Trace query and results 
+
+    // Trace query and results
     TQuery Query = 301;
-    repeated TEventPb Events = 302; 
-    repeated TThreadLogPb ThreadLogs = 303; 
-} 
- 
-message TShuttlePb { 
-    repeated TLogPb Parts = 1; 
+    repeated TEventPb Events = 302;
+    repeated TThreadLogPb ThreadLogs = 303;
+}
+
+message TShuttlePb {
+    repeated TLogPb Parts = 1;
     TQuery Query = 2;
-} 
- 
-message TOrbitPb { 
-    repeated TShuttlePb Shuttles = 1; 
-} 
+}
+
+message TOrbitPb {
+    repeated TShuttlePb Shuttles = 1;
+}
 
 ////////////////////////////////////////////////////////////////////////////////
 // Trace parameter.
@@ -216,7 +216,7 @@ message TTraceParam
         int64  IntValue = 2;
         uint64 UintValue = 3;
         double DoubleValue = 4;
-        bytes StrValue = 5; 
+        bytes StrValue = 5;
     }
 }
 
diff --git a/library/cpp/lwtrace/protos/ya.make b/library/cpp/lwtrace/protos/ya.make
index 424bdd443b..503d5e515f 100644
--- a/library/cpp/lwtrace/protos/ya.make
+++ b/library/cpp/lwtrace/protos/ya.make
@@ -1,6 +1,6 @@
-PROTO_LIBRARY() 
+PROTO_LIBRARY()
 
-OWNER(serxa) 
+OWNER(serxa)
 
 INCLUDE_TAGS(GO_PROTO)
 
diff --git a/library/cpp/lwtrace/rwspinlock.h b/library/cpp/lwtrace/rwspinlock.h
index bd04e2120f..7c518ec49e 100644
--- a/library/cpp/lwtrace/rwspinlock.h
+++ b/library/cpp/lwtrace/rwspinlock.h
@@ -1,88 +1,88 @@
-#pragma once 
- 
-#include <util/system/spinlock.h> 
- 
-// State can be one of: 
-// 0) [NOT_USED] State = 0: 
-//    * any reader can acquire lock (State += 2: -> READING) 
-//    * one writer can acquire lock (State = -1: -> WRITING) 
-// 1) [READING] even number: 
-//    * State/2 = number of active readers 
-//    * no writers are waiting 
-//    * any reader can aqcuire lock (State += 2: -> READING) 
-//    * active readers can release lock (State -= 2) 
-//    * one writer can acquire lock (State += 1: -> WAITING) 
-// 2) [WAITING] odd number > 0: 
-//    * (State-1)/2 = number of active readers 
-//    * no more readers/writers can acquire lock 
-//    * active readers can release lock (State -= 2: -> WAITING) 
-//    * exactly one writer is waiting for active readers to release lock 
-//    * if no more active readers left (State == 1) waiting writer acquires lock (State = -1: -> WRITING) 
-// 3) [WRITING] State = -1 
-//    * exactly one active writer 
-//    * no active readers 
-//    * no more readers/writers can acquire lock 
-//    * writer can release lock (State = 0: -> READING) 
- 
-struct TRWSpinLock { 
-    TAtomic State; // must be initialized by 'TRWSpinLock myLock = {0};' construction 
- 
-    void Init() noexcept { 
-        State = 0; 
-    } 
- 
-    void AcquireRead() noexcept { 
-        while (true) { 
-            TAtomic a = AtomicGet(State); 
-            if ((a & 1) == 0 && AtomicCas(&State, a + 2, a)) { 
-                break; 
-            } 
-            SpinLockPause(); 
-        } 
-    } 
- 
-    void ReleaseRead() noexcept { 
-        AtomicAdd(State, -2); 
-    } 
- 
-    void AcquireWrite() noexcept { 
-        while (true) { 
-            TAtomic a = AtomicGet(State); 
-            if ((a & 1) == 0 && AtomicCas(&State, a + 1, a)) { 
-                break; 
-            } 
-            SpinLockPause(); 
-        } 
- 
+#pragma once
+
+#include <util/system/spinlock.h>
+
+// State can be one of:
+// 0) [NOT_USED] State = 0:
+//    * any reader can acquire lock (State += 2: -> READING)
+//    * one writer can acquire lock (State = -1: -> WRITING)
+// 1) [READING] even number:
+//    * State/2 = number of active readers
+//    * no writers are waiting
+//    * any reader can aqcuire lock (State += 2: -> READING)
+//    * active readers can release lock (State -= 2)
+//    * one writer can acquire lock (State += 1: -> WAITING)
+// 2) [WAITING] odd number > 0:
+//    * (State-1)/2 = number of active readers
+//    * no more readers/writers can acquire lock
+//    * active readers can release lock (State -= 2: -> WAITING)
+//    * exactly one writer is waiting for active readers to release lock
+//    * if no more active readers left (State == 1) waiting writer acquires lock (State = -1: -> WRITING)
+// 3) [WRITING] State = -1
+//    * exactly one active writer
+//    * no active readers
+//    * no more readers/writers can acquire lock
+//    * writer can release lock (State = 0: -> READING)
+
+struct TRWSpinLock {
+    TAtomic State; // must be initialized by 'TRWSpinLock myLock = {0};' construction
+
+    void Init() noexcept {
+        State = 0;
+    }
+
+    void AcquireRead() noexcept {
+        while (true) {
+            TAtomic a = AtomicGet(State);
+            if ((a & 1) == 0 && AtomicCas(&State, a + 2, a)) {
+                break;
+            }
+            SpinLockPause();
+        }
+    }
+
+    void ReleaseRead() noexcept {
+        AtomicAdd(State, -2);
+    }
+
+    void AcquireWrite() noexcept {
+        while (true) {
+            TAtomic a = AtomicGet(State);
+            if ((a & 1) == 0 && AtomicCas(&State, a + 1, a)) {
+                break;
+            }
+            SpinLockPause();
+        }
+
         while (!AtomicCas(&State, TAtomicBase(-1), 1)) {
-            SpinLockPause(); 
-        } 
-    } 
- 
-    void ReleaseWrite() noexcept { 
-        AtomicSet(State, 0); 
-    } 
-}; 
- 
-struct TRWSpinLockReadOps { 
-    static inline void Acquire(TRWSpinLock* t) noexcept { 
-        t->AcquireRead(); 
-    } 
- 
-    static inline void Release(TRWSpinLock* t) noexcept { 
-        t->ReleaseRead(); 
-    } 
-}; 
- 
-struct TRWSpinLockWriteOps { 
-    static inline void Acquire(TRWSpinLock* t) noexcept { 
-        t->AcquireWrite(); 
-    } 
- 
-    static inline void Release(TRWSpinLock* t) noexcept { 
-        t->ReleaseWrite(); 
-    } 
-}; 
- 
+            SpinLockPause();
+        }
+    }
+
+    void ReleaseWrite() noexcept {
+        AtomicSet(State, 0);
+    }
+};
+
+struct TRWSpinLockReadOps {
+    static inline void Acquire(TRWSpinLock* t) noexcept {
+        t->AcquireRead();
+    }
+
+    static inline void Release(TRWSpinLock* t) noexcept {
+        t->ReleaseRead();
+    }
+};
+
+struct TRWSpinLockWriteOps {
+    static inline void Acquire(TRWSpinLock* t) noexcept {
+        t->AcquireWrite();
+    }
+
+    static inline void Release(TRWSpinLock* t) noexcept {
+        t->ReleaseWrite();
+    }
+};
+
 using TReadSpinLockGuard = TGuard<TRWSpinLock, TRWSpinLockReadOps>;
 using TWriteSpinLockGuard = TGuard<TRWSpinLock, TRWSpinLockWriteOps>;
diff --git a/library/cpp/lwtrace/shuttle.cpp b/library/cpp/lwtrace/shuttle.cpp
index de506004ee..6ef6982aea 100644
--- a/library/cpp/lwtrace/shuttle.cpp
+++ b/library/cpp/lwtrace/shuttle.cpp
@@ -1,20 +1,20 @@
-#include "shuttle.h" 
- 
-#include "probes.h" 
- 
-#include <util/system/backtrace.h> 
-#include <util/stream/str.h> 
- 
-namespace NLWTrace { 
-    LWTRACE_USING(LWTRACE_INTERNAL_PROVIDER); 
- 
-    inline TString CurrentBackTrace() { 
-        TStringStream ss; 
-        FormatBackTrace(&ss); 
-        return ss.Str(); 
-    } 
- 
-    void TOrbit::LockFailed() { 
-        LWPROBE(OrbitIsUsedConcurrentlyError, CurrentBackTrace()); 
-    } 
-} // namespace NLWTrace 
+#include "shuttle.h"
+
+#include "probes.h"
+
+#include <util/system/backtrace.h>
+#include <util/stream/str.h>
+
+namespace NLWTrace {
+    LWTRACE_USING(LWTRACE_INTERNAL_PROVIDER);
+
+    inline TString CurrentBackTrace() {
+        TStringStream ss;
+        FormatBackTrace(&ss);
+        return ss.Str();
+    }
+
+    void TOrbit::LockFailed() {
+        LWPROBE(OrbitIsUsedConcurrentlyError, CurrentBackTrace());
+    }
+} // namespace NLWTrace
diff --git a/library/cpp/lwtrace/shuttle.h b/library/cpp/lwtrace/shuttle.h
index 24c38e4c47..85c6e4da61 100644
--- a/library/cpp/lwtrace/shuttle.h
+++ b/library/cpp/lwtrace/shuttle.h
@@ -1,45 +1,45 @@
-#pragma once 
- 
+#pragma once
+
 #include "event.h"
 
 #include <library/cpp/containers/stack_vector/stack_vec.h>
 
-#include <util/generic/ptr.h> 
-#include <util/system/spinlock.h> 
- 
+#include <util/generic/ptr.h>
+#include <util/system/spinlock.h>
+
 #include <algorithm>
-#include <type_traits> 
-
-namespace NLWTrace { 
-    struct TProbe; 
- 
-    class IShuttle; 
-    using TShuttlePtr = TIntrusivePtr<IShuttle>; 
- 
-    // Represents interface of tracing context passing by application between probes 
-    class alignas(8) IShuttle: public TThrRefBase { 
-    private: 
-        ui64 TraceIdx; 
+#include <type_traits>
+
+namespace NLWTrace {
+    struct TProbe;
+
+    class IShuttle;
+    using TShuttlePtr = TIntrusivePtr<IShuttle>;
+
+    // Represents interface of tracing context passing by application between probes
+    class alignas(8) IShuttle: public TThrRefBase {
+    private:
+        ui64 TraceIdx;
         ui64 SpanId;
         ui64 ParentSpanId = 0;
-        TAtomic Status = 0; 
-        static constexpr ui64 DeadFlag = 0x1ull; 
-        TShuttlePtr Next; 
- 
-    public: 
+        TAtomic Status = 0;
+        static constexpr ui64 DeadFlag = 0x1ull;
+        TShuttlePtr Next;
+
+    public:
         explicit IShuttle(ui64 traceIdx, ui64 spanId)
-            : TraceIdx(traceIdx) 
+            : TraceIdx(traceIdx)
             , SpanId(spanId)
-        { 
-        } 
- 
-        virtual ~IShuttle() { 
-        } 
- 
-        ui64 GetTraceIdx() const { 
-            return TraceIdx; 
-        } 
- 
+        {
+        }
+
+        virtual ~IShuttle() {
+        }
+
+        ui64 GetTraceIdx() const {
+            return TraceIdx;
+        }
+
         ui64 GetSpanId() const {
             return SpanId;
         }
@@ -52,130 +52,130 @@ namespace NLWTrace {
             ParentSpanId = parentSpanId;
         }
 
-        template <class F, class R> 
-        R UnlessDead(F func, R dead) { 
-            while (true) { 
-                ui64 status = AtomicGet(Status); 
-                if (status & DeadFlag) { 
-                    return dead; 
-                } 
-                if (AtomicCas(&Status, status + 2, status)) { 
-                    R result = func(); 
-                    ATOMIC_COMPILER_BARRIER(); 
-                    AtomicSub(Status, 2); 
-                    return result; 
-                } 
+        template <class F, class R>
+        R UnlessDead(F func, R dead) {
+            while (true) {
+                ui64 status = AtomicGet(Status);
+                if (status & DeadFlag) {
+                    return dead;
+                }
+                if (AtomicCas(&Status, status + 2, status)) {
+                    R result = func();
+                    ATOMIC_COMPILER_BARRIER();
+                    AtomicSub(Status, 2);
+                    return result;
+                }
+            }
+        }
+
+        template <class F>
+        void UnlessDead(F func) {
+            while (true) {
+                ui64 status = AtomicGet(Status);
+                if (status & DeadFlag) {
+                    return;
+                }
+                if (AtomicCas(&Status, status + 2, status)) {
+                    func();
+                    ATOMIC_COMPILER_BARRIER();
+                    AtomicSub(Status, 2);
+                    return;
+                }
             }
         }
 
-        template <class F> 
-        void UnlessDead(F func) { 
-            while (true) { 
-                ui64 status = AtomicGet(Status); 
-                if (status & DeadFlag) { 
-                    return; 
-                } 
-                if (AtomicCas(&Status, status + 2, status)) { 
-                    func(); 
-                    ATOMIC_COMPILER_BARRIER(); 
-                    AtomicSub(Status, 2); 
-                    return; 
-                } 
-            } 
-        } 
- 
-        void Serialize(TShuttleTrace& msg) { 
-            UnlessDead([&] { 
-                DoSerialize(msg); 
-            }); 
-        } 
- 
-        // Returns false iff shuttle should be destroyed 
+        void Serialize(TShuttleTrace& msg) {
+            UnlessDead([&] {
+                DoSerialize(msg);
+            });
+        }
+
+        // Returns false iff shuttle should be destroyed
         bool AddProbe(TProbe* probe, const TParams& params, ui64 timestamp = 0) {
-            return UnlessDead([&] { 
-                return DoAddProbe(probe, params, timestamp); 
-            }, false); 
-        } 
- 
-        // Track object was destroyed 
-        void EndOfTrack() { 
-            if (Next) { 
-                Next->EndOfTrack(); 
-                Next.Reset(); 
-            } 
-            UnlessDead([&] { 
-                DoEndOfTrack(); 
-            }); 
-        } 
- 
-        // Shuttle was dropped from orbit 
-        TShuttlePtr Drop() { 
-            UnlessDead([&] { 
-                DoDrop(); 
-            }); 
+            return UnlessDead([&] {
+                return DoAddProbe(probe, params, timestamp);
+            }, false);
+        }
+
+        // Track object was destroyed
+        void EndOfTrack() {
+            if (Next) {
+                Next->EndOfTrack();
+                Next.Reset();
+            }
+            UnlessDead([&] {
+                DoEndOfTrack();
+            });
+        }
+
+        // Shuttle was dropped from orbit
+        TShuttlePtr Drop() {
+            UnlessDead([&] {
+                DoDrop();
+            });
             return Detach(); // Detached from orbit on Drop
         }
 
         TShuttlePtr Detach() {
-            TShuttlePtr result; 
+            TShuttlePtr result;
             result.Swap(Next);
-            return result; 
-        } 
- 
-        // Trace session was destroyed 
-        void Kill() { 
-            AtomicAdd(Status, 1); // Sets DeadFlag 
-            while (AtomicGet(Status) != 1) { // Wait until any vcall is over 
-                SpinLockPause(); 
-            } 
-            // After this point all virtual calls on shuttle are disallowed 
-            ATOMIC_COMPILER_BARRIER(); 
-        } 
- 
-        const TShuttlePtr& GetNext() const { 
-            return Next; 
-        } 
- 
-        TShuttlePtr& GetNext() { 
-            return Next; 
-        } 
- 
-        void SetNext(const TShuttlePtr& next) { 
-            Next = next; 
-        } 
- 
-        bool Fork(TShuttlePtr& child) { 
-            return UnlessDead([&] { 
-                return DoFork(child); 
-            }, true); 
+            return result;
+        }
+
+        // Trace session was destroyed
+        void Kill() {
+            AtomicAdd(Status, 1); // Sets DeadFlag
+            while (AtomicGet(Status) != 1) { // Wait until any vcall is over
+                SpinLockPause();
+            }
+            // After this point all virtual calls on shuttle are disallowed
+            ATOMIC_COMPILER_BARRIER();
+        }
+
+        const TShuttlePtr& GetNext() const {
+            return Next;
+        }
+
+        TShuttlePtr& GetNext() {
+            return Next;
+        }
+
+        void SetNext(const TShuttlePtr& next) {
+            Next = next;
+        }
+
+        bool Fork(TShuttlePtr& child) {
+            return UnlessDead([&] {
+                return DoFork(child);
+            }, true);
         }
 
         bool Join(TShuttlePtr& child) {
-            return UnlessDead([&] { 
-                return DoJoin(child); 
-            }, false); 
+            return UnlessDead([&] {
+                return DoJoin(child);
+            }, false);
         }
 
         bool IsDead() {
             return AtomicGet(Status) & DeadFlag;
         }
 
-    protected: 
+    protected:
         virtual bool DoAddProbe(TProbe* probe, const TParams& params, ui64 timestamp) = 0;
-        virtual void DoEndOfTrack() = 0; 
-        virtual void DoDrop() = 0; 
+        virtual void DoEndOfTrack() = 0;
+        virtual void DoDrop() = 0;
         virtual void DoSerialize(TShuttleTrace& msg) = 0;
-        virtual bool DoFork(TShuttlePtr& child) = 0; 
+        virtual bool DoFork(TShuttlePtr& child) = 0;
         virtual bool DoJoin(const TShuttlePtr& child) = 0;
-    }; 
- 
-    // Not thread-safe orbit 
-    // Orbit should not be used concurrenty, lock is used 
-    // to ensure this is the case and avoid race condition if not. 
-    class TOrbit { 
-    private: 
-        TShuttlePtr HeadNoLock; 
-    public: 
+    };
+
+    // Not thread-safe orbit
+    // Orbit should not be used concurrenty, lock is used
+    // to ensure this is the case and avoid race condition if not.
+    class TOrbit {
+    private:
+        TShuttlePtr HeadNoLock;
+    public:
         TOrbit() = default;
         TOrbit(const TOrbit&) = delete;
         TOrbit(TOrbit&&) = default;
@@ -183,135 +183,135 @@ namespace NLWTrace {
         TOrbit& operator=(const TOrbit&) = delete;
         TOrbit& operator=(TOrbit&&) = default;
 
-        ~TOrbit() { 
-            Reset(); 
-        } 
- 
-        void Reset() { 
-            NotConcurrent([] (TShuttlePtr& head) { 
-                if (head) { 
-                    head->EndOfTrack(); 
-                    head.Reset(); 
-                } 
-            }); 
-        } 
- 
-        // Checks if there is at least one shuttle in orbit 
-        // NOTE: used by every LWTRACK macro check, so keep it optimized - do not lock 
-        bool HasShuttles() const { 
-            return HeadNoLock.Get(); 
-        } 
- 
-        void AddShuttle(const TShuttlePtr& shuttle) { 
-            NotConcurrent([&] (TShuttlePtr& head) { 
-                Y_VERIFY(!shuttle->GetNext()); 
-                shuttle->SetNext(head); 
-                head = shuttle; 
-            }); 
-        } 
- 
-        // Moves every shuttle from `orbit' into this 
-        void Take(TOrbit& orbit) { 
-            NotConcurrent([&] (TShuttlePtr& head) { 
-                orbit.NotConcurrent([&] (TShuttlePtr& oHead) { 
-                    TShuttlePtr* ref = &oHead; 
-                    if (ref->Get()) { 
-                        while (TShuttlePtr& next = (*ref)->GetNext()) { 
-                            ref = &next; 
-                        } 
-                        (*ref)->SetNext(head); 
-                        head.Swap(oHead); 
-                        oHead.Reset(); 
-                    } 
-                }); 
-            }); 
-        } 
- 
+        ~TOrbit() {
+            Reset();
+        }
+
+        void Reset() {
+            NotConcurrent([] (TShuttlePtr& head) {
+                if (head) {
+                    head->EndOfTrack();
+                    head.Reset();
+                }
+            });
+        }
+
+        // Checks if there is at least one shuttle in orbit
+        // NOTE: used by every LWTRACK macro check, so keep it optimized - do not lock
+        bool HasShuttles() const {
+            return HeadNoLock.Get();
+        }
+
+        void AddShuttle(const TShuttlePtr& shuttle) {
+            NotConcurrent([&] (TShuttlePtr& head) {
+                Y_VERIFY(!shuttle->GetNext());
+                shuttle->SetNext(head);
+                head = shuttle;
+            });
+        }
+
+        // Moves every shuttle from `orbit' into this
+        void Take(TOrbit& orbit) {
+            NotConcurrent([&] (TShuttlePtr& head) {
+                orbit.NotConcurrent([&] (TShuttlePtr& oHead) {
+                    TShuttlePtr* ref = &oHead;
+                    if (ref->Get()) {
+                        while (TShuttlePtr& next = (*ref)->GetNext()) {
+                            ref = &next;
+                        }
+                        (*ref)->SetNext(head);
+                        head.Swap(oHead);
+                        oHead.Reset();
+                    }
+                });
+            });
+        }
+
         void AddProbe(TProbe* probe, const TParams& params, ui64 timestamp = 0) {
-            NotConcurrent([&] (TShuttlePtr& head) { 
-                TShuttlePtr* ref = &head; 
-                while (IShuttle* s = ref->Get()) { 
-                    if (!s->AddProbe(probe, params, timestamp)) { // Shuttle self-destructed 
-                        *ref = s->Drop(); // May destroy shuttle 
-                    } else { 
-                        ref = &s->GetNext(); // Keep shuttle 
-                    } 
-                } 
-            }); 
-        } 
- 
-        template <class TFunc> 
-        void ForEachShuttle(ui64 traceIdx, TFunc&& func) { 
-            NotConcurrent([&] (TShuttlePtr& head) { 
-                TShuttlePtr* ref = &head; 
-                while (IShuttle* s = ref->Get()) { 
-                    if (s->GetTraceIdx() == traceIdx && !func(s)) { // Shuttle self-destructed 
-                        *ref = s->Drop(); // May destroy shuttle 
-                    } else { 
-                        ref = &s->GetNext(); // Keep shuttle 
-                    } 
-                } 
-            }); 
-        } 
-
-        void Serialize(ui64 traceIdx, TShuttleTrace& msg) { 
-            ForEachShuttle(traceIdx, [&] (NLWTrace::IShuttle* shuttle) { 
+            NotConcurrent([&] (TShuttlePtr& head) {
+                TShuttlePtr* ref = &head;
+                while (IShuttle* s = ref->Get()) {
+                    if (!s->AddProbe(probe, params, timestamp)) { // Shuttle self-destructed
+                        *ref = s->Drop(); // May destroy shuttle
+                    } else {
+                        ref = &s->GetNext(); // Keep shuttle
+                    }
+                }
+            });
+        }
+
+        template <class TFunc>
+        void ForEachShuttle(ui64 traceIdx, TFunc&& func) {
+            NotConcurrent([&] (TShuttlePtr& head) {
+                TShuttlePtr* ref = &head;
+                while (IShuttle* s = ref->Get()) {
+                    if (s->GetTraceIdx() == traceIdx && !func(s)) { // Shuttle self-destructed
+                        *ref = s->Drop(); // May destroy shuttle
+                    } else {
+                        ref = &s->GetNext(); // Keep shuttle
+                    }
+                }
+            });
+        }
+
+        void Serialize(ui64 traceIdx, TShuttleTrace& msg) {
+            ForEachShuttle(traceIdx, [&] (NLWTrace::IShuttle* shuttle) {
                 shuttle->Serialize(msg);
                 return false;
             });
         }
 
-        bool HasShuttle(ui64 traceIdx) { 
-            return NotConcurrent([=] (TShuttlePtr& head) { 
-                TShuttlePtr ref = head; 
-                while (IShuttle* s = ref.Get()) { 
-                    if (s->GetTraceIdx() == traceIdx) { 
-                        return true; 
-                    } else { 
-                        ref = s->GetNext(); 
-                    } 
+        bool HasShuttle(ui64 traceIdx) {
+            return NotConcurrent([=] (TShuttlePtr& head) {
+                TShuttlePtr ref = head;
+                while (IShuttle* s = ref.Get()) {
+                    if (s->GetTraceIdx() == traceIdx) {
+                        return true;
+                    } else {
+                        ref = s->GetNext();
+                    }
                 }
-                return false; 
-            }); 
+                return false;
+            });
         }
 
         bool Fork(TOrbit& child) {
-            return NotConcurrent([&] (TShuttlePtr& head) { 
-                return child.NotConcurrent([&] (TShuttlePtr& cHead) { 
-                    bool result = true; 
-                    TShuttlePtr* ref = &head; 
-                    while (IShuttle* shuttle = ref->Get()) { 
-                        if (shuttle->IsDead()) { 
-                            *ref = shuttle->Drop(); 
-                        } else { 
-                            result = result && shuttle->Fork(cHead); 
-                            ref = &shuttle->GetNext(); 
-                        } 
-                    } 
-                    return result; 
-                }); 
-            }); 
+            return NotConcurrent([&] (TShuttlePtr& head) {
+                return child.NotConcurrent([&] (TShuttlePtr& cHead) {
+                    bool result = true;
+                    TShuttlePtr* ref = &head;
+                    while (IShuttle* shuttle = ref->Get()) {
+                        if (shuttle->IsDead()) {
+                            *ref = shuttle->Drop();
+                        } else {
+                            result = result && shuttle->Fork(cHead);
+                            ref = &shuttle->GetNext();
+                        }
+                    }
+                    return result;
+                });
+            });
         }
 
         void Join(TOrbit& child) {
-            NotConcurrent([&] (TShuttlePtr& head) { 
-                child.NotConcurrent([&] (TShuttlePtr& cHead) { 
-                    TShuttlePtr* ref = &head; 
-                    while (IShuttle* shuttle = ref->Get()) { 
-                        if (shuttle->IsDead()) { 
-                            *ref = shuttle->Drop(); 
-                        } else { 
-                            child.Join(cHead, shuttle); 
-                            ref = &shuttle->GetNext(); 
-                        } 
-                    } 
-                }); 
-            }); 
-        }
-
-    private: 
-        static void Join(TShuttlePtr& head, IShuttle* parent) { 
-            TShuttlePtr* ref = &head; 
+            NotConcurrent([&] (TShuttlePtr& head) {
+                child.NotConcurrent([&] (TShuttlePtr& cHead) {
+                    TShuttlePtr* ref = &head;
+                    while (IShuttle* shuttle = ref->Get()) {
+                        if (shuttle->IsDead()) {
+                            *ref = shuttle->Drop();
+                        } else {
+                            child.Join(cHead, shuttle);
+                            ref = &shuttle->GetNext();
+                        }
+                    }
+                });
+            });
+        }
+
+    private:
+        static void Join(TShuttlePtr& head, IShuttle* parent) {
+            TShuttlePtr* ref = &head;
             while (IShuttle* child = ref->Get()) {
                 if (parent->GetTraceIdx() == child->GetTraceIdx() && parent->GetSpanId() == child->GetParentSpanId()) {
                     TShuttlePtr next = child->Detach();
@@ -322,37 +322,37 @@ namespace NLWTrace {
                 }
             }
         }
- 
-        template <class TFunc> 
-        typename std::invoke_result<TFunc, TShuttlePtr&>::type NotConcurrent(TFunc func) { 
-            // `HeadNoLock` is binary-copied into local `headCopy` and written with special `locked` value 
-            // during not concurrent operations. Not concurrent operations should not work 
-            // with `HeadNoLock` directly. Instead `headCopy` is passed into `func` by reference and 
-            // after `func()` it is binary-copied back into `HeadNoLock`. 
-            static_assert(sizeof(HeadNoLock) == sizeof(TAtomic)); 
-            TAtomic* headPtr = reinterpret_cast<TAtomic*>(&HeadNoLock); 
-            TAtomicBase headCopy = AtomicGet(*headPtr); 
-            static constexpr TAtomicBase locked = 0x1ull; 
-            if (headCopy != locked && AtomicCas(headPtr, locked, headCopy)) { 
-                struct TUnlocker { // to avoid specialization for R=void 
-                    TAtomic* HeadPtr; 
-                    TAtomicBase* HeadCopy; 
-                    ~TUnlocker() { 
-                        ATOMIC_COMPILER_BARRIER(); 
-                        AtomicSet(*HeadPtr, *HeadCopy); 
-                    } 
-                } scoped{headPtr, &headCopy}; 
-                return func(*reinterpret_cast<TShuttlePtr*>(&headCopy)); 
-            } else { 
-                LockFailed(); 
-                return typename std::invoke_result<TFunc, TShuttlePtr&>::type(); 
-            } 
-        } 
- 
-        void LockFailed(); 
-    }; 
- 
-    inline size_t HasShuttles(const TOrbit& orbit) { 
-        return orbit.HasShuttles(); 
-    } 
-} 
+
+        template <class TFunc>
+        typename std::invoke_result<TFunc, TShuttlePtr&>::type NotConcurrent(TFunc func) {
+            // `HeadNoLock` is binary-copied into local `headCopy` and written with special `locked` value
+            // during not concurrent operations. Not concurrent operations should not work
+            // with `HeadNoLock` directly. Instead `headCopy` is passed into `func` by reference and
+            // after `func()` it is binary-copied back into `HeadNoLock`.
+            static_assert(sizeof(HeadNoLock) == sizeof(TAtomic));
+            TAtomic* headPtr = reinterpret_cast<TAtomic*>(&HeadNoLock);
+            TAtomicBase headCopy = AtomicGet(*headPtr);
+            static constexpr TAtomicBase locked = 0x1ull;
+            if (headCopy != locked && AtomicCas(headPtr, locked, headCopy)) {
+                struct TUnlocker { // to avoid specialization for R=void
+                    TAtomic* HeadPtr;
+                    TAtomicBase* HeadCopy;
+                    ~TUnlocker() {
+                        ATOMIC_COMPILER_BARRIER();
+                        AtomicSet(*HeadPtr, *HeadCopy);
+                    }
+                } scoped{headPtr, &headCopy};
+                return func(*reinterpret_cast<TShuttlePtr*>(&headCopy));
+            } else {
+                LockFailed();
+                return typename std::invoke_result<TFunc, TShuttlePtr&>::type();
+            }
+        }
+
+        void LockFailed();
+    };
+
+    inline size_t HasShuttles(const TOrbit& orbit) {
+        return orbit.HasShuttles();
+    }
+}
diff --git a/library/cpp/lwtrace/signature.h b/library/cpp/lwtrace/signature.h
index 87ce835228..868bd9bcf2 100644
--- a/library/cpp/lwtrace/signature.h
+++ b/library/cpp/lwtrace/signature.h
@@ -1,16 +1,16 @@
-#pragma once 
- 
+#pragma once
+
 #include "preprocessor.h"
 
 #include <library/cpp/lwtrace/protos/lwtrace.pb.h>
 
 #include <util/generic/cast.h>
 #include <util/generic/string.h>
-#include <util/generic/typetraits.h> 
+#include <util/generic/typetraits.h>
 #include <util/string/builder.h>
-#include <util/string/cast.h> 
-#include <util/string/printf.h> 
- 
+#include <util/string/cast.h>
+#include <util/string/printf.h>
+
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/generated_enum_reflection.h>
 
@@ -18,407 +18,407 @@
 
 #include <type_traits>
 
-namespace NLWTrace { 
-    // Class to hold parameter values parsed from trace query predicate operators 
-    template <class T> 
-    struct TParamConv { 
-        static T FromString(const TString& text) { 
-            return ::FromString<T>(text); 
-        } 
-        static TString ToString(const T& param) { 
-            return ::ToString(param); 
-        } 
-    }; 
- 
-    template <> 
-    struct TParamConv<TString const*> { 
-        static TString FromString(const TString& text) { 
-            return text; 
-        } 
-        static TString ToString(TString const* param) { 
-            return TString(*param); 
-        } 
-    }; 
- 
-    template <> 
-    struct TParamConv<ui8> { 
-        static ui8 FromString(const TString& text) { 
-            return (ui8)::FromString<ui16>(text); 
-        } 
-        static TString ToString(ui8 param) { 
-            return ::ToString((ui16)param); 
-        } 
-    }; 
- 
-    template <> 
-    struct TParamConv<i8> { 
-        static i8 FromString(const TString& text) { 
-            return (i8)::FromString<i16>(text); 
-        } 
-        static TString ToString(i8 param) { 
-            return ::ToString((i16)param); 
-        } 
-    }; 
- 
-    template <> 
-    struct TParamConv<double> { 
-        static double FromString(const TString& text) { 
-            return ::FromString<double>(text); 
-        } 
-        static TString ToString(double param) { 
-            return Sprintf("%.6lf", param); 
-        } 
-    }; 
- 
-    // Fake parameter type used as a placeholder for not used parameters (above the number of defined params for a specific probe) 
-    class TNil { 
-    }; 
- 
-    // Struct that holds and handles a value of parameter of any supported type. 
-    struct TParam { 
-        char Data[LWTRACE_MAX_PARAM_SIZE]; 
- 
-        template <class T> 
-        const T& Get() const { 
+namespace NLWTrace {
+    // Class to hold parameter values parsed from trace query predicate operators
+    template <class T>
+    struct TParamConv {
+        static T FromString(const TString& text) {
+            return ::FromString<T>(text);
+        }
+        static TString ToString(const T& param) {
+            return ::ToString(param);
+        }
+    };
+
+    template <>
+    struct TParamConv<TString const*> {
+        static TString FromString(const TString& text) {
+            return text;
+        }
+        static TString ToString(TString const* param) {
+            return TString(*param);
+        }
+    };
+
+    template <>
+    struct TParamConv<ui8> {
+        static ui8 FromString(const TString& text) {
+            return (ui8)::FromString<ui16>(text);
+        }
+        static TString ToString(ui8 param) {
+            return ::ToString((ui16)param);
+        }
+    };
+
+    template <>
+    struct TParamConv<i8> {
+        static i8 FromString(const TString& text) {
+            return (i8)::FromString<i16>(text);
+        }
+        static TString ToString(i8 param) {
+            return ::ToString((i16)param);
+        }
+    };
+
+    template <>
+    struct TParamConv<double> {
+        static double FromString(const TString& text) {
+            return ::FromString<double>(text);
+        }
+        static TString ToString(double param) {
+            return Sprintf("%.6lf", param);
+        }
+    };
+
+    // Fake parameter type used as a placeholder for not used parameters (above the number of defined params for a specific probe)
+    class TNil {
+    };
+
+    // Struct that holds and handles a value of parameter of any supported type.
+    struct TParam {
+        char Data[LWTRACE_MAX_PARAM_SIZE];
+
+        template <class T>
+        const T& Get() const {
             return *reinterpret_cast<const T*>(Data);
-        } 
- 
-        template <class T> 
-        T& Get() { 
+        }
+
+        template <class T>
+        T& Get() {
             return *reinterpret_cast<T*>(Data);
-        } 
- 
-        template <class T> 
-        void DefaultConstruct() { 
-            new (&Data) T(); 
-        } 
- 
-        template <class T> 
-        void CopyConstruct(const T& other) { 
-            new (&Data) T(other); 
-        } 
- 
-        template <class T> 
-        void Destruct() { 
-            Get<T>().~T(); 
-        } 
-    }; 
- 
-    template <> 
-    inline void TParam::DefaultConstruct<TNil>() { 
-    } 
- 
-    template <> 
-    inline void TParam::CopyConstruct<TNil>(const TNil&) { 
-    } 
- 
-    template <> 
-    inline void TParam::Destruct<TNil>() { 
-    } 
- 
-    class TTypedParam { 
-    private: 
-        EParamTypePb Type; 
-        TParam Param; // Contains garbage if PT_UNKNOWN 
-    public: 
-        TTypedParam() 
-            : Type(PT_UNKNOWN) 
-        { 
-        } 
- 
-        explicit TTypedParam(EParamTypePb type) 
-            : Type(type) 
-        { 
-            switch (Type) { 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v) \ 
-    case PT_##v:                         \ 
-        Param.DefaultConstruct<t>();     \ 
-        return; 
-                FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
-                case PT_UNKNOWN: 
-                    return; 
-                default: 
-                    Y_FAIL("unknown param type"); 
-            } 
-        } 
- 
-        template <class T> 
-        explicit TTypedParam(const T& x, EParamTypePb type = PT_UNKNOWN) 
-            : Type(type) 
-        { 
-            Param.CopyConstruct<T>(x); 
-        } 
- 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v) \ 
-    explicit TTypedParam(const t& x)     \ 
-        : Type(PT_##v) {                 \ 
-        Param.CopyConstruct<t>(x);       \ 
-    } 
-        FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
- 
-        TTypedParam(const TTypedParam& o) { 
-            Assign(o); 
-        } 
- 
-        TTypedParam& operator=(const TTypedParam& o) { 
-            Reset(); 
-            Assign(o); 
-            return *this; 
-        } 
- 
-        void Assign(const TTypedParam& o) { 
-            Type = o.Type; 
-            switch (Type) { 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v)          \ 
-    case PT_##v:                                  \ 
-        Param.CopyConstruct<t>(o.Param.Get<t>()); \ 
-        return; 
-                FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
-                case PT_UNKNOWN: 
-                    return; 
-                default: 
-                    Y_FAIL("unknown param type"); 
-            } 
-        } 
- 
-        TTypedParam(TTypedParam&& o) 
-            : Type(o.Type) 
-            , Param(o.Param) 
-        { 
-            o.Type = PT_UNKNOWN; // To avoid Param destroy by source object dtor 
-        } 
- 
-        TTypedParam(EParamTypePb type, const TParam& param) 
-            : Type(type) 
-        { 
-            Y_UNUSED(param); // for disabled lwtrace 
-            switch (Type) { 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v)        \ 
-    case PT_##v:                                \ 
-        Param.CopyConstruct<t>(param.Get<t>()); \ 
-        return; 
-                FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
-                case PT_UNKNOWN: 
-                    return; 
-                default: 
-                    Y_FAIL("unknown param type"); 
-            } 
-        } 
- 
-        ~TTypedParam() { 
-            Reset(); 
-        } 
- 
-        void Reset() { 
-            switch (Type) { 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v) \ 
-    case PT_##v:                         \ 
-        Param.Destruct<t>();             \ 
-        return; 
-                FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
-                case PT_UNKNOWN: 
-                    return; 
-                default: 
-                    Y_FAIL("unknown param type"); 
-            } 
-            Type = PT_UNKNOWN; 
-        } 
- 
-        bool operator==(const TTypedParam& rhs) const { 
-            if (Y_LIKELY(Type == rhs.Type)) { 
-                switch (Type) { 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v) \ 
-    case PT_##v:                         \ 
-        return Param.Get<t>() == rhs.Param.Get<t>(); 
-                    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
-                    case PT_UNKNOWN: 
-                        return false; // All unknowns are equal 
-                    default: 
-                        Y_FAIL("unknown param type"); 
-                } 
-            } else { 
-                return false; 
-            } 
-        } 
-        bool operator!=(const TTypedParam& rhs) const { 
-            return !operator==(rhs); 
-        } 
- 
-        bool operator<(const TTypedParam& rhs) const { 
-            if (Y_LIKELY(Type == rhs.Type)) { 
-                switch (Type) { 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v) \ 
-    case PT_##v:                         \ 
-        return Param.Get<t>() < rhs.Param.Get<t>(); 
-                    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
-                    case PT_UNKNOWN: 
-                        return false; // All unknowns are equal 
-                    default: 
-                        Y_FAIL("unknown param type"); 
-                } 
-            } else { 
-                return Type < rhs.Type; 
-            } 
-        } 
- 
-        bool operator<=(const TTypedParam& rhs) const { 
-            if (Y_LIKELY(Type == rhs.Type)) { 
-                switch (Type) { 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v) \ 
-    case PT_##v:                         \ 
-        return Param.Get<t>() <= rhs.Param.Get<t>(); 
-                    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
-                    case PT_UNKNOWN: 
-                        return true; // All unknowns are equal 
-                    default: 
-                        Y_FAIL("unknown param type"); 
-                } 
-            } else { 
-                return Type < rhs.Type; 
-            } 
-        } 
- 
-        bool operator>(const TTypedParam& rhs) const { 
-            return !operator<=(rhs); 
-        } 
-        bool operator>=(const TTypedParam& rhs) const { 
-            return !operator<(rhs); 
-        } 
- 
-        EParamTypePb GetType() const { 
-            return Type; 
-        } 
-        const TParam& GetParam() const { 
-            return Param; 
-        } 
-    }; 
- 
-    class TLiteral { 
-    private: 
-        TTypedParam Values[EParamTypePb_ARRAYSIZE]; 
-
-    public: 
-        explicit TLiteral(const TString& text) { 
-            Y_UNUSED(text); /* That's for windows, where we have lwtrace disabled. */ 
- 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v)                               \ 
-    try {                                                              \ 
-        Values[PT_##v] = TTypedParam(TParamConv<t>::FromString(text)); \ 
-    } catch (...) {                                                    \ 
-        Values[PT_##v] = TTypedParam();                                \ 
-    }                                                                  \ 
-    /**/ 
-            FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
-        } 
- 
-        TLiteral() { 
-        } 
- 
-        TLiteral(const TLiteral& o) { 
-            for (size_t i = 0; i < EParamTypePb_ARRAYSIZE; i++) { 
-                Values[i] = o.Values[i]; 
-            } 
-        } 
- 
-        TLiteral& operator=(const TLiteral& o) { 
-            for (size_t i = 0; i < EParamTypePb_ARRAYSIZE; i++) { 
-                Values[i] = o.Values[i]; 
-            } 
-            return *this; 
-        } 
- 
-        const TTypedParam& GetValue(EParamTypePb type) const { 
-            return Values[type]; 
-        } 
- 
-        bool operator==(const TTypedParam& rhs) const { 
-            return Values[rhs.GetType()] == rhs; 
-        } 
-        bool operator!=(const TTypedParam& rhs) const { 
-            return !operator==(rhs); 
-        } 
- 
-        bool operator<(const TTypedParam& rhs) const { 
-            return Values[rhs.GetType()] < rhs; 
-        } 
- 
-        bool operator<=(const TTypedParam& rhs) const { 
-            return Values[rhs.GetType()] <= rhs; 
-        } 
- 
-        bool operator>(const TTypedParam& rhs) const { 
-            return !operator<=(rhs); 
-        } 
-        bool operator>=(const TTypedParam& rhs) const { 
-            return !operator<(rhs); 
-        } 
-    }; 
- 
-    inline bool operator==(const TTypedParam& lhs, const TLiteral& rhs) { 
-        return lhs == rhs.GetValue(lhs.GetType()); 
-    } 
-    inline bool operator!=(const TTypedParam& lhs, const TLiteral& rhs) { 
-        return !operator==(lhs, rhs); 
-    } 
- 
-    inline bool operator<(const TTypedParam& lhs, const TLiteral& rhs) { 
-        return lhs < rhs.GetValue(lhs.GetType()); 
-    } 
- 
-    inline bool operator<=(const TTypedParam& lhs, const TLiteral& rhs) { 
-        return lhs <= rhs.GetValue(lhs.GetType()); 
-    } 
- 
-    inline bool operator>(const TTypedParam& lhs, const TLiteral& rhs) { 
-        return !operator<=(lhs, rhs); 
-    } 
-    inline bool operator>=(const TTypedParam& lhs, const TLiteral& rhs) { 
-        return !operator<(lhs, rhs); 
-    } 
- 
-    // Struct that holds and handles all parameter values of different supported types 
-    struct TParams { 
-        TParam Param[LWTRACE_MAX_PARAMS]; 
-    }; 
- 
+        }
+
+        template <class T>
+        void DefaultConstruct() {
+            new (&Data) T();
+        }
+
+        template <class T>
+        void CopyConstruct(const T& other) {
+            new (&Data) T(other);
+        }
+
+        template <class T>
+        void Destruct() {
+            Get<T>().~T();
+        }
+    };
+
+    template <>
+    inline void TParam::DefaultConstruct<TNil>() {
+    }
+
+    template <>
+    inline void TParam::CopyConstruct<TNil>(const TNil&) {
+    }
+
+    template <>
+    inline void TParam::Destruct<TNil>() {
+    }
+
+    class TTypedParam {
+    private:
+        EParamTypePb Type;
+        TParam Param; // Contains garbage if PT_UNKNOWN
+    public:
+        TTypedParam()
+            : Type(PT_UNKNOWN)
+        {
+        }
+
+        explicit TTypedParam(EParamTypePb type)
+            : Type(type)
+        {
+            switch (Type) {
+#define FOREACH_PARAMTYPE_MACRO(n, t, v) \
+    case PT_##v:                         \
+        Param.DefaultConstruct<t>();     \
+        return;
+                FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+                case PT_UNKNOWN:
+                    return;
+                default:
+                    Y_FAIL("unknown param type");
+            }
+        }
+
+        template <class T>
+        explicit TTypedParam(const T& x, EParamTypePb type = PT_UNKNOWN)
+            : Type(type)
+        {
+            Param.CopyConstruct<T>(x);
+        }
+
+#define FOREACH_PARAMTYPE_MACRO(n, t, v) \
+    explicit TTypedParam(const t& x)     \
+        : Type(PT_##v) {                 \
+        Param.CopyConstruct<t>(x);       \
+    }
+        FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+
+        TTypedParam(const TTypedParam& o) {
+            Assign(o);
+        }
+
+        TTypedParam& operator=(const TTypedParam& o) {
+            Reset();
+            Assign(o);
+            return *this;
+        }
+
+        void Assign(const TTypedParam& o) {
+            Type = o.Type;
+            switch (Type) {
+#define FOREACH_PARAMTYPE_MACRO(n, t, v)          \
+    case PT_##v:                                  \
+        Param.CopyConstruct<t>(o.Param.Get<t>()); \
+        return;
+                FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+                case PT_UNKNOWN:
+                    return;
+                default:
+                    Y_FAIL("unknown param type");
+            }
+        }
+
+        TTypedParam(TTypedParam&& o)
+            : Type(o.Type)
+            , Param(o.Param)
+        {
+            o.Type = PT_UNKNOWN; // To avoid Param destroy by source object dtor
+        }
+
+        TTypedParam(EParamTypePb type, const TParam& param)
+            : Type(type)
+        {
+            Y_UNUSED(param); // for disabled lwtrace
+            switch (Type) {
+#define FOREACH_PARAMTYPE_MACRO(n, t, v)        \
+    case PT_##v:                                \
+        Param.CopyConstruct<t>(param.Get<t>()); \
+        return;
+                FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+                case PT_UNKNOWN:
+                    return;
+                default:
+                    Y_FAIL("unknown param type");
+            }
+        }
+
+        ~TTypedParam() {
+            Reset();
+        }
+
+        void Reset() {
+            switch (Type) {
+#define FOREACH_PARAMTYPE_MACRO(n, t, v) \
+    case PT_##v:                         \
+        Param.Destruct<t>();             \
+        return;
+                FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+                case PT_UNKNOWN:
+                    return;
+                default:
+                    Y_FAIL("unknown param type");
+            }
+            Type = PT_UNKNOWN;
+        }
+
+        bool operator==(const TTypedParam& rhs) const {
+            if (Y_LIKELY(Type == rhs.Type)) {
+                switch (Type) {
+#define FOREACH_PARAMTYPE_MACRO(n, t, v) \
+    case PT_##v:                         \
+        return Param.Get<t>() == rhs.Param.Get<t>();
+                    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+                    case PT_UNKNOWN:
+                        return false; // All unknowns are equal
+                    default:
+                        Y_FAIL("unknown param type");
+                }
+            } else {
+                return false;
+            }
+        }
+        bool operator!=(const TTypedParam& rhs) const {
+            return !operator==(rhs);
+        }
+
+        bool operator<(const TTypedParam& rhs) const {
+            if (Y_LIKELY(Type == rhs.Type)) {
+                switch (Type) {
+#define FOREACH_PARAMTYPE_MACRO(n, t, v) \
+    case PT_##v:                         \
+        return Param.Get<t>() < rhs.Param.Get<t>();
+                    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+                    case PT_UNKNOWN:
+                        return false; // All unknowns are equal
+                    default:
+                        Y_FAIL("unknown param type");
+                }
+            } else {
+                return Type < rhs.Type;
+            }
+        }
+
+        bool operator<=(const TTypedParam& rhs) const {
+            if (Y_LIKELY(Type == rhs.Type)) {
+                switch (Type) {
+#define FOREACH_PARAMTYPE_MACRO(n, t, v) \
+    case PT_##v:                         \
+        return Param.Get<t>() <= rhs.Param.Get<t>();
+                    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+                    case PT_UNKNOWN:
+                        return true; // All unknowns are equal
+                    default:
+                        Y_FAIL("unknown param type");
+                }
+            } else {
+                return Type < rhs.Type;
+            }
+        }
+
+        bool operator>(const TTypedParam& rhs) const {
+            return !operator<=(rhs);
+        }
+        bool operator>=(const TTypedParam& rhs) const {
+            return !operator<(rhs);
+        }
+
+        EParamTypePb GetType() const {
+            return Type;
+        }
+        const TParam& GetParam() const {
+            return Param;
+        }
+    };
+
+    class TLiteral {
+    private:
+        TTypedParam Values[EParamTypePb_ARRAYSIZE];
+
+    public:
+        explicit TLiteral(const TString& text) {
+            Y_UNUSED(text); /* That's for windows, where we have lwtrace disabled. */
+
+#define FOREACH_PARAMTYPE_MACRO(n, t, v)                               \
+    try {                                                              \
+        Values[PT_##v] = TTypedParam(TParamConv<t>::FromString(text)); \
+    } catch (...) {                                                    \
+        Values[PT_##v] = TTypedParam();                                \
+    }                                                                  \
+    /**/
+            FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+        }
+
+        TLiteral() {
+        }
+
+        TLiteral(const TLiteral& o) {
+            for (size_t i = 0; i < EParamTypePb_ARRAYSIZE; i++) {
+                Values[i] = o.Values[i];
+            }
+        }
+
+        TLiteral& operator=(const TLiteral& o) {
+            for (size_t i = 0; i < EParamTypePb_ARRAYSIZE; i++) {
+                Values[i] = o.Values[i];
+            }
+            return *this;
+        }
+
+        const TTypedParam& GetValue(EParamTypePb type) const {
+            return Values[type];
+        }
+
+        bool operator==(const TTypedParam& rhs) const {
+            return Values[rhs.GetType()] == rhs;
+        }
+        bool operator!=(const TTypedParam& rhs) const {
+            return !operator==(rhs);
+        }
+
+        bool operator<(const TTypedParam& rhs) const {
+            return Values[rhs.GetType()] < rhs;
+        }
+
+        bool operator<=(const TTypedParam& rhs) const {
+            return Values[rhs.GetType()] <= rhs;
+        }
+
+        bool operator>(const TTypedParam& rhs) const {
+            return !operator<=(rhs);
+        }
+        bool operator>=(const TTypedParam& rhs) const {
+            return !operator<(rhs);
+        }
+    };
+
+    inline bool operator==(const TTypedParam& lhs, const TLiteral& rhs) {
+        return lhs == rhs.GetValue(lhs.GetType());
+    }
+    inline bool operator!=(const TTypedParam& lhs, const TLiteral& rhs) {
+        return !operator==(lhs, rhs);
+    }
+
+    inline bool operator<(const TTypedParam& lhs, const TLiteral& rhs) {
+        return lhs < rhs.GetValue(lhs.GetType());
+    }
+
+    inline bool operator<=(const TTypedParam& lhs, const TLiteral& rhs) {
+        return lhs <= rhs.GetValue(lhs.GetType());
+    }
+
+    inline bool operator>(const TTypedParam& lhs, const TLiteral& rhs) {
+        return !operator<=(lhs, rhs);
+    }
+    inline bool operator>=(const TTypedParam& lhs, const TLiteral& rhs) {
+        return !operator<(lhs, rhs);
+    }
+
+    // Struct that holds and handles all parameter values of different supported types
+    struct TParams {
+        TParam Param[LWTRACE_MAX_PARAMS];
+    };
+
     using TSerializedParams = google::protobuf::RepeatedPtrField<NLWTrace::TTraceParam>;
 
-    // Represents a common class for all function "signatures" (parameter types and names). 
-    // Provides non-virtual interface to handle the signature and (emulated) virtual interface to handle TParams corresponding to the signature 
-    struct TSignature { 
-        const char** ParamTypes; 
-        const char* ParamNames[LWTRACE_MAX_PARAMS + 1]; 
-        size_t ParamCount; 
- 
-        // Virtual table 
-        void (*SerializeParamsFunc)(const TParams& params, TString* values); 
-        void (*CloneParamsFunc)(TParams& newParams, const TParams& oldParams); 
-        void (*DestroyParamsFunc)(TParams& params); 
+    // Represents a common class for all function "signatures" (parameter types and names).
+    // Provides non-virtual interface to handle the signature and (emulated) virtual interface to handle TParams corresponding to the signature
+    struct TSignature {
+        const char** ParamTypes;
+        const char* ParamNames[LWTRACE_MAX_PARAMS + 1];
+        size_t ParamCount;
+
+        // Virtual table
+        void (*SerializeParamsFunc)(const TParams& params, TString* values);
+        void (*CloneParamsFunc)(TParams& newParams, const TParams& oldParams);
+        void (*DestroyParamsFunc)(TParams& params);
         void (*SerializeToPbFunc)(const TParams& params, TSerializedParams& arr);
         bool (*DeserializeFromPbFunc)(TParams& params, const TSerializedParams& arr);
- 
-        // Virtual calls emulation 
-        void SerializeParams(const TParams& params, TString* values) const { 
-            (*SerializeParamsFunc)(params, values); 
-        } 
- 
-        void CloneParams(TParams& newParams, const TParams& oldParams) const { 
-            (*CloneParamsFunc)(newParams, oldParams); 
-        } 
- 
-        void DestroyParams(TParams& params) const { 
-            (*DestroyParamsFunc)(params); 
-        } 
- 
+
+        // Virtual calls emulation
+        void SerializeParams(const TParams& params, TString* values) const {
+            (*SerializeParamsFunc)(params, values);
+        }
+
+        void CloneParams(TParams& newParams, const TParams& oldParams) const {
+            (*CloneParamsFunc)(newParams, oldParams);
+        }
+
+        void DestroyParams(TParams& params) const {
+            (*DestroyParamsFunc)(params);
+        }
+
         void SerializeToPb(const TParams& params, TSerializedParams& arr) const
         {
             (*SerializeToPbFunc)(params, arr);
@@ -429,42 +429,42 @@ namespace NLWTrace {
             return (*DeserializeFromPbFunc)(params, arr);
         }
 
-        void ToProtobuf(TEventPb& pb) const; 
- 
-        size_t FindParamIndex(const TString& param) const { 
-            for (size_t i = 0; i < ParamCount; i++) { 
-                if (ParamNames[i] == param) { 
-                    return i; 
-                } 
-            } 
-            return size_t(-1); 
-        } 
-    }; 
- 
-#ifndef LWTRACE_DISABLE 
- 
-    // Implementation. Used for compilation error if not all expected parameters passed to a function call 
-    struct ERROR_not_enough_parameters : TNil {}; 
- 
-    // Struct that holds static string with a name of parameter type 
-    template <class T> 
-    struct TParamType { 
-        enum { Supported = 0 }; 
-        static const char* NameString; 
-    }; 
- 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v) \ 
-    template <>                          \ 
-    struct TParamType<t> {               \ 
-        enum { Supported = 1 };          \ 
-        static const char* NameString;   \ 
-    };                                   \ 
-    /**/ 
-    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-    FOR_NIL_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
- 
-    template <class T> 
+        void ToProtobuf(TEventPb& pb) const;
+
+        size_t FindParamIndex(const TString& param) const {
+            for (size_t i = 0; i < ParamCount; i++) {
+                if (ParamNames[i] == param) {
+                    return i;
+                }
+            }
+            return size_t(-1);
+        }
+    };
+
+#ifndef LWTRACE_DISABLE
+
+    // Implementation. Used for compilation error if not all expected parameters passed to a function call
+    struct ERROR_not_enough_parameters : TNil {};
+
+    // Struct that holds static string with a name of parameter type
+    template <class T>
+    struct TParamType {
+        enum { Supported = 0 };
+        static const char* NameString;
+    };
+
+#define FOREACH_PARAMTYPE_MACRO(n, t, v) \
+    template <>                          \
+    struct TParamType<t> {               \
+        enum { Supported = 1 };          \
+        static const char* NameString;   \
+    };                                   \
+    /**/
+    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+    FOR_NIL_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+
+    template <class T>
     struct TParamTraits;
 
     // Enum types traits impl.
@@ -473,7 +473,7 @@ namespace NLWTrace {
         using TStoreType = typename TParamTraits<std::underlying_type_t<TEnum>>::TStoreType;
         using TFuncParam = TEnum;
 
-        inline static void ToString(typename TTypeTraits<TStoreType>::TFuncParam stored, TString* out) { 
+        inline static void ToString(typename TTypeTraits<TStoreType>::TFuncParam stored, TString* out) {
             if constexpr (google::protobuf::is_proto_enum<TEnum>::value) {
                 const google::protobuf::EnumValueDescriptor* valueDescriptor = google::protobuf::GetEnumDescriptor<TEnum>()->FindValueByNumber(stored);
                 if (valueDescriptor) {
@@ -484,13 +484,13 @@ namespace NLWTrace {
             } else {
                 *out = TParamConv<TStoreType>::ToString(stored);
             }
-        } 
+        }
 
         inline static TStoreType ToStoreType(TFuncParam v) {
             return static_cast<TStoreType>(v);
         }
-    }; 
- 
+    };
+
     template <class TCustomType>
     struct TCustomTraitsImpl {
         using TStoreType = typename TParamTraits<typename TCustomType::TStoreType>::TStoreType; //see STORE_TYPE_AS
@@ -522,48 +522,48 @@ namespace NLWTrace {
 
     // Standard stored types traits.
 
-#define STORE_TYPE_AS(input_t, store_as_t)                                                      \ 
-    template <>                                                                                 \ 
-    struct TParamTraits<input_t> {                                                              \ 
+#define STORE_TYPE_AS(input_t, store_as_t)                                                      \
+    template <>                                                                                 \
+    struct TParamTraits<input_t> {                                                              \
         using TStoreType = store_as_t;                                                          \
         using TFuncParam = typename TTypeTraits<input_t>::TFuncParam;                           \
                                                                                                 \
         inline static void ToString(typename TTypeTraits<TStoreType>::TFuncParam stored, TString* out) { \
-            *out = TParamConv<TStoreType>::ToString(stored);                                    \ 
-        }                                                                                       \ 
+            *out = TParamConv<TStoreType>::ToString(stored);                                    \
+        }                                                                                       \
                                                                                                 \
         inline static TStoreType ToStoreType(TFuncParam v) {                                    \
             return v;                                                                           \
         }                                                                                       \
-    };                                                                                          \ 
-    /**/ 
-    STORE_TYPE_AS(ui8, ui64); 
-    STORE_TYPE_AS(i8, i64); 
-    STORE_TYPE_AS(ui16, ui64); 
-    STORE_TYPE_AS(i16, i64); 
-    STORE_TYPE_AS(ui32, ui64); 
-    STORE_TYPE_AS(i32, i64); 
-    STORE_TYPE_AS(bool, ui64); 
-    STORE_TYPE_AS(float, double); 
+    };                                                                                          \
+    /**/
+    STORE_TYPE_AS(ui8, ui64);
+    STORE_TYPE_AS(i8, i64);
+    STORE_TYPE_AS(ui16, ui64);
+    STORE_TYPE_AS(i16, i64);
+    STORE_TYPE_AS(ui32, ui64);
+    STORE_TYPE_AS(i32, i64);
+    STORE_TYPE_AS(bool, ui64);
+    STORE_TYPE_AS(float, double);
 #define FOREACH_PARAMTYPE_MACRO(n, t, v) STORE_TYPE_AS(t, t)
-    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
+    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
 #undef STORE_TYPE_AS
-#undef FOREACH_PARAMTYPE_MACRO 
- 
+#undef FOREACH_PARAMTYPE_MACRO
+
     // Nil type staits.
-    template <> 
-    struct TParamTraits<TNil> { 
+    template <>
+    struct TParamTraits<TNil> {
         using TStoreType = TNil;
         using TFuncParam = TTypeTraits<TNil>::TFuncParam;
 
         inline static void ToString(typename TTypeTraits<TNil>::TFuncParam, TString*) {
-        } 
+        }
 
         inline static TNil ToStoreType(TFuncParam v) {
             return v;
         }
-    }; 
- 
+    };
+
     inline EParamTypePb ParamTypeToProtobuf(const char* paramType) {
 #define FOREACH_PARAMTYPE_MACRO(n, t, v) \
     if (strcmp(paramType, n) == 0) {     \
@@ -676,35 +676,35 @@ namespace NLWTrace {
         Y_UNUSED(param);
     }
 
-    // Class representing a specific signature 
-    template <LWTRACE_TEMPLATE_PARAMS> 
-    struct TUserSignature { 
-#define FOREACH_PARAMNUM_MACRO(i) static_assert(TParamType<typename TParamTraits<TP##i>::TStoreType>::Supported == 1, "expect TParamType< typename TParamTraits<TP ## i>::TStoreType >::Supported == 1"); 
-        FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO) // ERROR: unsupported type used as probe/event parameter type 
-#undef FOREACH_PARAMNUM_MACRO 
-        static const char* ParamTypes[]; 
-        static const int ParamCount = LWTRACE_COUNT_PARAMS; 
- 
-        // Implementation of virtual function (TSignature derived classes vtable emulation) 
-        inline static void SerializeParams(const TParams& params, TString* values) { 
-#define FOREACH_PARAMNUM_MACRO(i) TParamTraits<TP##i>::ToString(params.Param[i].Get<typename TParamTraits<TP##i>::TStoreType>(), values + i); 
-            FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO); 
-#undef FOREACH_PARAMNUM_MACRO 
-        } 
- 
-        // Implementation of virtual function (TSignature derived classes vtable emulation) 
-        inline static void CloneParams(TParams& newParams, const TParams& oldParams) { 
-#define FOREACH_PARAMNUM_MACRO(i) newParams.Param[i].CopyConstruct<typename TParamTraits<TP##i>::TStoreType>(oldParams.Param[i].Get<typename TParamTraits<TP##i>::TStoreType>()); 
-            FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO); 
-#undef FOREACH_PARAMNUM_MACRO 
-        } 
- 
-        // Implementation of virtual function (TSignature derived classes vtable emulation) 
-        inline static void DestroyParams(TParams& params) { 
-#define FOREACH_PARAMNUM_MACRO(i) params.Param[i].Destruct<typename TParamTraits<TP##i>::TStoreType>(); 
-            FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO); 
-#undef FOREACH_PARAMNUM_MACRO 
-        } 
+    // Class representing a specific signature
+    template <LWTRACE_TEMPLATE_PARAMS>
+    struct TUserSignature {
+#define FOREACH_PARAMNUM_MACRO(i) static_assert(TParamType<typename TParamTraits<TP##i>::TStoreType>::Supported == 1, "expect TParamType< typename TParamTraits<TP ## i>::TStoreType >::Supported == 1");
+        FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO) // ERROR: unsupported type used as probe/event parameter type
+#undef FOREACH_PARAMNUM_MACRO
+        static const char* ParamTypes[];
+        static const int ParamCount = LWTRACE_COUNT_PARAMS;
+
+        // Implementation of virtual function (TSignature derived classes vtable emulation)
+        inline static void SerializeParams(const TParams& params, TString* values) {
+#define FOREACH_PARAMNUM_MACRO(i) TParamTraits<TP##i>::ToString(params.Param[i].Get<typename TParamTraits<TP##i>::TStoreType>(), values + i);
+            FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO);
+#undef FOREACH_PARAMNUM_MACRO
+        }
+
+        // Implementation of virtual function (TSignature derived classes vtable emulation)
+        inline static void CloneParams(TParams& newParams, const TParams& oldParams) {
+#define FOREACH_PARAMNUM_MACRO(i) newParams.Param[i].CopyConstruct<typename TParamTraits<TP##i>::TStoreType>(oldParams.Param[i].Get<typename TParamTraits<TP##i>::TStoreType>());
+            FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO);
+#undef FOREACH_PARAMNUM_MACRO
+        }
+
+        // Implementation of virtual function (TSignature derived classes vtable emulation)
+        inline static void DestroyParams(TParams& params) {
+#define FOREACH_PARAMNUM_MACRO(i) params.Param[i].Destruct<typename TParamTraits<TP##i>::TStoreType>();
+            FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO);
+#undef FOREACH_PARAMNUM_MACRO
+        }
 
         // Implementation of virtual function (TSignature derived classes vtable emulation)
         inline static void SerializeToPb(const TParams& params, TSerializedParams& arr)
@@ -741,32 +741,32 @@ namespace NLWTrace {
 #undef FOREACH_PARAMNUM_MACRO
             return true;
         }
-    }; 
- 
-    // Array of static strings pointers for names of parameter types in a specific signature 
-    template <LWTRACE_TEMPLATE_PARAMS_NODEF> 
-    const char* TUserSignature<LWTRACE_TEMPLATE_ARGS>::ParamTypes[] = { 
-#define FOREACH_PARAMNUM_MACRO(i) TParamType<typename TParamTraits<TP##i>::TStoreType>::NameString, 
-        FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO) nullptr 
-#undef FOREACH_PARAMNUM_MACRO 
-    }; 
- 
-    inline void TSignature::ToProtobuf(TEventPb& pb) const { 
-        for (size_t i = 0; i < ParamCount; i++) { 
-            pb.AddParamTypes(ParamTypeToProtobuf(ParamTypes[i])); 
-            pb.AddParamNames(ParamNames[i]); 
-        } 
-    } 
- 
-#else 
- 
-    inline void TSignature::ToProtobuf(TEventPb&) const { 
-    } 
- 
-    inline EParamTypePb ParamTypeToProtobuf(const char*) { 
-        return PT_UNKNOWN; 
-    } 
- 
-#endif 
- 
-} 
+    };
+
+    // Array of static strings pointers for names of parameter types in a specific signature
+    template <LWTRACE_TEMPLATE_PARAMS_NODEF>
+    const char* TUserSignature<LWTRACE_TEMPLATE_ARGS>::ParamTypes[] = {
+#define FOREACH_PARAMNUM_MACRO(i) TParamType<typename TParamTraits<TP##i>::TStoreType>::NameString,
+        FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO) nullptr
+#undef FOREACH_PARAMNUM_MACRO
+    };
+
+    inline void TSignature::ToProtobuf(TEventPb& pb) const {
+        for (size_t i = 0; i < ParamCount; i++) {
+            pb.AddParamTypes(ParamTypeToProtobuf(ParamTypes[i]));
+            pb.AddParamNames(ParamNames[i]);
+        }
+    }
+
+#else
+
+    inline void TSignature::ToProtobuf(TEventPb&) const {
+    }
+
+    inline EParamTypePb ParamTypeToProtobuf(const char*) {
+        return PT_UNKNOWN;
+    }
+
+#endif
+
+}
diff --git a/library/cpp/lwtrace/sleep_action.cpp b/library/cpp/lwtrace/sleep_action.cpp
index 8e5925be38..74977528db 100644
--- a/library/cpp/lwtrace/sleep_action.cpp
+++ b/library/cpp/lwtrace/sleep_action.cpp
@@ -9,7 +9,7 @@
 using namespace NLWTrace;
 using namespace NLWTrace::NPrivate;
 
-bool TSleepActionExecutor::DoExecute(TOrbit&, const TParams&) { 
+bool TSleepActionExecutor::DoExecute(TOrbit&, const TParams&) {
     NanoSleep(NanoSeconds);
     return true;
 }
diff --git a/library/cpp/lwtrace/sleep_action.h b/library/cpp/lwtrace/sleep_action.h
index 9cece64d40..26f89bd88c 100644
--- a/library/cpp/lwtrace/sleep_action.h
+++ b/library/cpp/lwtrace/sleep_action.h
@@ -2,20 +2,20 @@
 
 #include "probe.h"
 
-namespace NLWTrace { 
-    namespace NPrivate { 
-        class TSleepActionExecutor: public IExecutor { 
-        private: 
-            ui64 NanoSeconds; 
+namespace NLWTrace {
+    namespace NPrivate {
+        class TSleepActionExecutor: public IExecutor {
+        private:
+            ui64 NanoSeconds;
 
-        public: 
-            TSleepActionExecutor(const TProbe*, ui64 nanoSeconds) 
-                : IExecutor() 
-                , NanoSeconds(nanoSeconds) 
-            { 
-            } 
-            bool DoExecute(TOrbit& orbit, const TParams& params) override; 
-        }; 
+        public:
+            TSleepActionExecutor(const TProbe*, ui64 nanoSeconds)
+                : IExecutor()
+                , NanoSeconds(nanoSeconds)
+            {
+            }
+            bool DoExecute(TOrbit& orbit, const TParams& params) override;
+        };
 
-    } 
-} 
+    }
+}
diff --git a/library/cpp/lwtrace/start.cpp b/library/cpp/lwtrace/start.cpp
index 7d17d6c572..121d5472b6 100644
--- a/library/cpp/lwtrace/start.cpp
+++ b/library/cpp/lwtrace/start.cpp
@@ -14,56 +14,56 @@
 using namespace NLWTrace;
 
 namespace {
-    struct TTraceManagerHolder { 
-        TManager TraceManager; 
-        TTraceManagerHolder() 
-            : TraceManager(*Singleton<TProbeRegistry>(), true) 
-        { 
-        } 
-    }; 
- 
-    void TraceFromEnv(TString path) { 
-        TString script = TUnbufferedFileInput(path).ReadAll(); 
-        TQuery query; 
-        bool ok = google::protobuf::TextFormat::ParseFromString(script, &query); 
-        Y_VERIFY(ok, "failed to parse protobuf"); 
-        Singleton<TTraceManagerHolder>()->TraceManager.New("env", query); 
-    } 
- 
-} // anonymous namespace 
- 
-void NLWTrace::StartLwtraceFromEnv() { 
-    static bool started = false; 
-    if (started) { 
-        return; 
-    } else { 
-        started = true; 
-    } 
- 
+    struct TTraceManagerHolder {
+        TManager TraceManager;
+        TTraceManagerHolder()
+            : TraceManager(*Singleton<TProbeRegistry>(), true)
+        {
+        }
+    };
+
+    void TraceFromEnv(TString path) {
+        TString script = TUnbufferedFileInput(path).ReadAll();
+        TQuery query;
+        bool ok = google::protobuf::TextFormat::ParseFromString(script, &query);
+        Y_VERIFY(ok, "failed to parse protobuf");
+        Singleton<TTraceManagerHolder>()->TraceManager.New("env", query);
+    }
+
+} // anonymous namespace
+
+void NLWTrace::StartLwtraceFromEnv() {
+    static bool started = false;
+    if (started) {
+        return;
+    } else {
+        started = true;
+    }
+
     TString path = GetEnv("LWTRACE");
     if (!path) {
         return;
     }
 
     try {
-        TraceFromEnv(path); 
+        TraceFromEnv(path);
     } catch (...) {
         Cerr << "failed to load lwtrace script: " << CurrentExceptionMessage() << "\n";
         abort();
     }
 }
- 
-void NLWTrace::StartLwtraceFromEnv(std::function<void(TManager&)> prepare) { 
+
+void NLWTrace::StartLwtraceFromEnv(std::function<void(TManager&)> prepare) {
     TString path = GetEnv("LWTRACE");
     if (Y_LIKELY(!path)) {
-        return; 
-    } 
- 
-    try { 
-        prepare(Singleton<TTraceManagerHolder>()->TraceManager); 
-        TraceFromEnv(path); 
-    } catch (...) { 
-        Cerr << "failed to load lwtrace script: " << CurrentExceptionMessage() << "\n"; 
-        abort(); 
-    } 
-} 
+        return;
+    }
+
+    try {
+        prepare(Singleton<TTraceManagerHolder>()->TraceManager);
+        TraceFromEnv(path);
+    } catch (...) {
+        Cerr << "failed to load lwtrace script: " << CurrentExceptionMessage() << "\n";
+        abort();
+    }
+}
diff --git a/library/cpp/lwtrace/start.h b/library/cpp/lwtrace/start.h
index 9acb8df15e..2755212bff 100644
--- a/library/cpp/lwtrace/start.h
+++ b/library/cpp/lwtrace/start.h
@@ -1,11 +1,11 @@
 #pragma once
 
-#include <functional> 
- 
+#include <functional>
+
 namespace NLWTrace {
-    class TManager; 
+    class TManager;
 
-    void StartLwtraceFromEnv(); 
-    void StartLwtraceFromEnv(std::function<void(TManager&)> prepare); 
+    void StartLwtraceFromEnv();
+    void StartLwtraceFromEnv(std::function<void(TManager&)> prepare);
 
 }
diff --git a/library/cpp/lwtrace/stderr_writer.cpp b/library/cpp/lwtrace/stderr_writer.cpp
index 43bf9c1d02..6e5654c338 100644
--- a/library/cpp/lwtrace/stderr_writer.cpp
+++ b/library/cpp/lwtrace/stderr_writer.cpp
@@ -1,19 +1,19 @@
 #include "stderr_writer.h"
 
-#include <util/stream/str.h> 
+#include <util/stream/str.h>
 
 using namespace NLWTrace;
 
-bool TStderrActionExecutor::DoExecute(TOrbit&, const TParams& params) { 
+bool TStderrActionExecutor::DoExecute(TOrbit&, const TParams& params) {
     TString ParamValues[LWTRACE_MAX_PARAMS];
     Probe->Event.Signature.SerializeParams(params, ParamValues);
 
-    TStringStream ss; 
-    ss << Probe->Event.GetProvider() << "." << Probe->Event.Name; 
+    TStringStream ss;
+    ss << Probe->Event.GetProvider() << "." << Probe->Event.Name;
     for (ui32 i = 0; i < Probe->Event.Signature.ParamCount; ++i) {
-        ss << " " << Probe->Event.Signature.ParamNames[i] << "=" << ParamValues[i]; 
+        ss << " " << Probe->Event.Signature.ParamNames[i] << "=" << ParamValues[i];
     }
-    ss << "\n"; 
-    Cerr << ss.Str(); 
+    ss << "\n";
+    Cerr << ss.Str();
     return true;
 }
diff --git a/library/cpp/lwtrace/stderr_writer.h b/library/cpp/lwtrace/stderr_writer.h
index 17d4789538..b17fc3136e 100644
--- a/library/cpp/lwtrace/stderr_writer.h
+++ b/library/cpp/lwtrace/stderr_writer.h
@@ -3,17 +3,17 @@
 #include "probe.h"
 
 namespace NLWTrace {
-    class TStderrActionExecutor: public IExecutor { 
-    private: 
-        TProbe* const Probe; 
+    class TStderrActionExecutor: public IExecutor {
+    private:
+        TProbe* const Probe;
 
-    public: 
-        explicit TStderrActionExecutor(TProbe* probe) 
-            : Probe(probe) 
-        { 
-        } 
+    public:
+        explicit TStderrActionExecutor(TProbe* probe)
+            : Probe(probe)
+        {
+        }
+
+        bool DoExecute(TOrbit& orbit, const TParams& params) override;
+    };
 
-        bool DoExecute(TOrbit& orbit, const TParams& params) override; 
-    }; 
- 
 }
diff --git a/library/cpp/lwtrace/symbol.cpp b/library/cpp/lwtrace/symbol.cpp
index e073772b5e..456652bcd0 100644
--- a/library/cpp/lwtrace/symbol.cpp
+++ b/library/cpp/lwtrace/symbol.cpp
@@ -1,15 +1,15 @@
-#include "symbol.h" 
+#include "symbol.h"
 
 #include <util/stream/output.h>
-#include <util/string/cast.h> 
- 
-template <> 
-NLWTrace::TSymbol FromStringImpl(const char*, size_t) { 
+#include <util/string/cast.h>
+
+template <>
+NLWTrace::TSymbol FromStringImpl(const char*, size_t) {
     static TString err("ERROR_dynamic_symbol");
-    return NLWTrace::TSymbol(&err); 
-} 
- 
-template <> 
-void Out<NLWTrace::TSymbol>(IOutputStream& o, TTypeTraits<NLWTrace::TSymbol>::TFuncParam t) { 
+    return NLWTrace::TSymbol(&err);
+}
+
+template <>
+void Out<NLWTrace::TSymbol>(IOutputStream& o, TTypeTraits<NLWTrace::TSymbol>::TFuncParam t) {
     Out<TString>(o, *t.Str);
-} 
+}
diff --git a/library/cpp/lwtrace/symbol.h b/library/cpp/lwtrace/symbol.h
index 2e7d3da745..ef9e6cdf94 100644
--- a/library/cpp/lwtrace/symbol.h
+++ b/library/cpp/lwtrace/symbol.h
@@ -1,68 +1,68 @@
-#pragma once 
- 
+#pragma once
+
 #include <util/generic/string.h>
-#include <util/string/builder.h> 
-#include <util/system/src_location.h> 
- 
-#define LWTRACE_DEFINE_SYMBOL(variable, text)         \ 
-    static TString variable##_holder(text);           \ 
-    ::NLWTrace::TSymbol variable(&variable##_holder); \ 
-    /**/ 
- 
-#define LWTRACE_INLINE_SYMBOL(text)           \ 
-    [&] {                                     \ 
-        static TString _holder(text);         \ 
-        return ::NLWTrace::TSymbol(&_holder); \ 
-    }() /**/ 
- 
-#define LWTRACE_LOCATION_SYMBOL                                                          \ 
-    [](const char* func) {                                                               \ 
+#include <util/string/builder.h>
+#include <util/system/src_location.h>
+
+#define LWTRACE_DEFINE_SYMBOL(variable, text)         \
+    static TString variable##_holder(text);           \
+    ::NLWTrace::TSymbol variable(&variable##_holder); \
+    /**/
+
+#define LWTRACE_INLINE_SYMBOL(text)           \
+    [&] {                                     \
+        static TString _holder(text);         \
+        return ::NLWTrace::TSymbol(&_holder); \
+    }() /**/
+
+#define LWTRACE_LOCATION_SYMBOL                                                          \
+    [](const char* func) {                                                               \
         static TString _holder(TStringBuilder() << func << " (" << __LOCATION__ << ")"); \
-        return ::NLWTrace::TSymbol(&_holder);                                            \ 
-    }(Y_FUNC_SIGNATURE) /**/ 
- 
-namespace NLWTrace { 
-    struct TSymbol { 
-        TString* Str; 
- 
-        TSymbol() 
-            : Str(nullptr) 
-        { 
-        } 
- 
-        explicit TSymbol(TString* str) 
-            : Str(str) 
-        { 
-        } 
- 
-        TSymbol& operator=(const TSymbol& o) { 
-            Str = o.Str; 
-            return *this; 
-        } 
- 
-        TSymbol(const TSymbol& o) 
-            : Str(o.Str) 
-        { 
-        } 
- 
-        bool operator<(const TSymbol& rhs) const { 
-            return Str < rhs.Str; 
-        } 
-        bool operator>(const TSymbol& rhs) const { 
-            return Str > rhs.Str; 
-        } 
-        bool operator<=(const TSymbol& rhs) const { 
-            return Str <= rhs.Str; 
-        } 
-        bool operator>=(const TSymbol& rhs) const { 
-            return Str >= rhs.Str; 
-        } 
-        bool operator==(const TSymbol& rhs) const { 
-            return Str == rhs.Str; 
-        } 
-        bool operator!=(const TSymbol& rhs) const { 
-            return Str != rhs.Str; 
-        } 
-    }; 
- 
-} 
+        return ::NLWTrace::TSymbol(&_holder);                                            \
+    }(Y_FUNC_SIGNATURE) /**/
+
+namespace NLWTrace {
+    struct TSymbol {
+        TString* Str;
+
+        TSymbol()
+            : Str(nullptr)
+        {
+        }
+
+        explicit TSymbol(TString* str)
+            : Str(str)
+        {
+        }
+
+        TSymbol& operator=(const TSymbol& o) {
+            Str = o.Str;
+            return *this;
+        }
+
+        TSymbol(const TSymbol& o)
+            : Str(o.Str)
+        {
+        }
+
+        bool operator<(const TSymbol& rhs) const {
+            return Str < rhs.Str;
+        }
+        bool operator>(const TSymbol& rhs) const {
+            return Str > rhs.Str;
+        }
+        bool operator<=(const TSymbol& rhs) const {
+            return Str <= rhs.Str;
+        }
+        bool operator>=(const TSymbol& rhs) const {
+            return Str >= rhs.Str;
+        }
+        bool operator==(const TSymbol& rhs) const {
+            return Str == rhs.Str;
+        }
+        bool operator!=(const TSymbol& rhs) const {
+            return Str != rhs.Str;
+        }
+    };
+
+}
diff --git a/library/cpp/lwtrace/tests/trace_tests.cpp b/library/cpp/lwtrace/tests/trace_tests.cpp
index 52f24f3685..6762e344a7 100644
--- a/library/cpp/lwtrace/tests/trace_tests.cpp
+++ b/library/cpp/lwtrace/tests/trace_tests.cpp
@@ -6,710 +6,710 @@
 
 #include <util/system/pipe.h>
 #include <util/generic/ymath.h>
-#include <util/string/printf.h> 
-#include <util/string/vector.h> 
- 
-#define LWTRACE_TESTS_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)                                           \ 
-    PROBE(Simplest, GROUPS("Group"), TYPES(), NAMES())                                                       \ 
-    PROBE(IntParam, GROUPS("Group"), TYPES(ui32), NAMES("value"))                                            \ 
-    PROBE(StringParam, GROUPS("Group"), TYPES(TString), NAMES("value"))                                      \ 
-    PROBE(SymbolParam, GROUPS("Group"), TYPES(NLWTrace::TSymbol), NAMES("symbol"))                           \ 
-    PROBE(CheckParam, GROUPS("Group"), TYPES(NLWTrace::TCheck), NAMES("value"))                              \ 
-    EVENT(TwoParamsEvent, GROUPS("Group"), TYPES(int, TString), NAMES("param1", "param2"))                   \ 
+#include <util/string/printf.h>
+#include <util/string/vector.h>
+
+#define LWTRACE_TESTS_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)                                           \
+    PROBE(Simplest, GROUPS("Group"), TYPES(), NAMES())                                                       \
+    PROBE(IntParam, GROUPS("Group"), TYPES(ui32), NAMES("value"))                                            \
+    PROBE(StringParam, GROUPS("Group"), TYPES(TString), NAMES("value"))                                      \
+    PROBE(SymbolParam, GROUPS("Group"), TYPES(NLWTrace::TSymbol), NAMES("symbol"))                           \
+    PROBE(CheckParam, GROUPS("Group"), TYPES(NLWTrace::TCheck), NAMES("value"))                              \
+    EVENT(TwoParamsEvent, GROUPS("Group"), TYPES(int, TString), NAMES("param1", "param2"))                   \
     EVENT(TwoParamsCheckEvent, GROUPS("Group"), TYPES(NLWTrace::TCheck, TString), NAMES("param1", "param2")) \
-    /**/ 
- 
-LWTRACE_DECLARE_PROVIDER(LWTRACE_TESTS_PROVIDER) 
-LWTRACE_DEFINE_PROVIDER(LWTRACE_TESTS_PROVIDER) 
-LWTRACE_USING(LWTRACE_TESTS_PROVIDER) 
- 
-namespace NLWTrace { 
-    namespace NTests { 
-        TString gStrValue = "a long string value that can be possible passed as a trace probe string parameter"; 
-        //TString gStrValue = "short"; 
- 
-        LWTRACE_DEFINE_SYMBOL(gSymbol, "a long symbol value that can be possible passed as a trace probe string parameter"); 
- 
-        struct TConfig { 
-            size_t Cycles; 
-            size_t Runs; 
-            bool UnsafeLWTrace; 
- 
-            TConfig() { 
-                Cycles = 100000; 
-                Runs = 10; 
-                UnsafeLWTrace = false; 
-            } 
-        }; 
- 
-        struct TMeasure { 
-            double Average; 
-            double Sigma; 
-            TMeasure(double a, double s) 
-                : Average(a) 
-                , Sigma(s) 
-            { 
-            } 
-        }; 
- 
-#define DEFINE_MEASUREMENT(name, ...)                                             \ 
-    double name##OneRun(const TConfig& cfg) {                                     \ 
-        TInstant t0 = Now();                                                      \ 
-        for (size_t i = 0; i < cfg.Cycles; i++) {                                 \ 
-            HOTSPOT(name, ##__VA_ARGS__);                                         \ 
-            HOTSPOT(name, ##__VA_ARGS__);                                         \ 
-            HOTSPOT(name, ##__VA_ARGS__);                                         \ 
-            HOTSPOT(name, ##__VA_ARGS__);                                         \ 
-            HOTSPOT(name, ##__VA_ARGS__);                                         \ 
-            HOTSPOT(name, ##__VA_ARGS__);                                         \ 
-            HOTSPOT(name, ##__VA_ARGS__);                                         \ 
-            HOTSPOT(name, ##__VA_ARGS__);                                         \ 
-            HOTSPOT(name, ##__VA_ARGS__);                                         \ 
-            HOTSPOT(name, ##__VA_ARGS__);                                         \ 
-        }                                                                         \ 
-        TInstant t1 = Now();                                                      \ 
-        return double(t1.MicroSeconds() - t0.MicroSeconds()) / (cfg.Cycles * 10); \ 
-    }                                                                             \ 
-    TMeasure name##Time(const TConfig& cfg) {                                     \ 
-        double v = 0;                                                             \ 
-        double vSq = 0;                                                           \ 
-        for (size_t i = 0; i < cfg.Runs; i++) {                                   \ 
-            double value = name##OneRun(cfg);                                     \ 
-            v += value;                                                           \ 
-            vSq += value * value;                                                 \ 
-        }                                                                         \ 
-        v /= cfg.Runs;                                                            \ 
-        vSq /= cfg.Runs;                                                          \ 
-        return TMeasure(v, sqrt(vSq - v * v));                                    \ 
-    }                                                                             \ 
-    /**/ 
- 
-        class TProbes: public TProbeRegistry { 
-        public: 
-            TManager Mngr; 
- 
-            TProbes(bool destructiveActionsAllowed) 
-                : Mngr(*this, destructiveActionsAllowed) 
-            { 
-                AddProbesList(LWTRACE_GET_PROBES(LWTRACE_TESTS_PROVIDER)); 
-            } 
- 
-#define HOTSPOT(name, ...) LWPROBE(name, ##__VA_ARGS__); 
-            DEFINE_MEASUREMENT(Simplest); 
-            DEFINE_MEASUREMENT(IntParam, 123); 
-            DEFINE_MEASUREMENT(StringParam, gStrValue); 
-            DEFINE_MEASUREMENT(SymbolParam, gSymbol); 
-            DEFINE_MEASUREMENT(CheckParam, TCheck(13)); 
-#undef HOTSPOT 
-        }; 
- 
-        class TInMemoryLogTest { 
-        public: 
-            TInMemoryLog Log; 
- 
-            TInMemoryLogTest() 
-                : Log(1000) 
-            { 
-            } 
- 
-#define HOTSPOT(name, ...) LWEVENT(name, Log, true, ##__VA_ARGS__); 
-            DEFINE_MEASUREMENT(TwoParamsEvent, 666, TString("bla-bla-bla")); 
-#undef HOTSPOT 
-        }; 
- 
-        class TInMemoryLogCheckTest { 
-        public: 
-            TInMemoryLog Log; 
- 
-            TInMemoryLogCheckTest() 
-                : Log(1000) 
-            { 
-            } 
- 
-#define HOTSPOT(name, ...) LWEVENT(name, Log, true, ##__VA_ARGS__); 
-            DEFINE_MEASUREMENT(TwoParamsCheckEvent, TCheck(666), TString("bla-bla-bla")); 
-#undef HOTSPOT 
-        }; 
- 
-        NLWTrace::TQuery MakeQuery(const TString& queryStr) { 
-            NLWTrace::TQuery query; 
-            google::protobuf::TextFormat::ParseFromString(queryStr, &query); 
-            return query; 
-        } 
- 
-        void NoExec(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            Cout << "call to probe w/o executor: " << p.SimplestTime(cfg) << Endl; 
-        } 
- 
-        void Log(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"Simplest\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        LogAction {" 
-                                         "            LogTimestamp: false" 
-                                         "        }" 
-                                         "    }" 
-                                         "}")); 
-            Cout << "call to probe with logging executor: " << p.SimplestTime(cfg) << Endl; 
-        } 
- 
-        void LogTs(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"Simplest\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        LogAction {" 
-                                         "            LogTimestamp: true" 
-                                         "        }" 
-                                         "    }" 
-                                         "}")); 
-            Cout << "call to probe with logging (+timestamp) executor: " << p.SimplestTime(cfg) << Endl; 
-        } 
- 
-        void FalseIntFilter(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"IntParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Predicate {" 
-                                         "        Operators {" 
-                                         "            Type: OT_GT" 
-                                         "            Argument {" 
-                                         "                Param: \"value\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"1000\"" 
-                                         "            }" 
-                                         "        }" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        LogAction {" 
-                                         "            LogTimestamp: false" 
-                                         "        }" 
-                                         "    }" 
-                                         "}")); 
-            Cout << "call to probe with int filter (always false) executor: " << p.IntParamTime(cfg) << Endl; 
-        } 
- 
-        void LogIntAfterFilter(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"IntParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Predicate {" 
-                                         "        Operators {" 
-                                         "            Type: OT_GT" 
-                                         "            Argument {" 
-                                         "                Param: \"value\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"0\"" 
-                                         "            }" 
-                                         "        }" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        LogAction {" 
-                                         "            LogTimestamp: false" 
-                                         "        }" 
-                                         "    }" 
-                                         "}")); 
-            Cout << "call to probe with int filter (always true) and log executors: " << p.IntParamTime(cfg) << Endl; 
-        } 
- 
-        void LogInt(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"IntParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        LogAction {" 
-                                         "            LogTimestamp: false" 
-                                         "        }" 
-                                         "    }" 
-                                         "}")); 
-            Cout << "call to int probe with log executor: " << p.IntParamTime(cfg) << Endl; 
-        } 
- 
-        void FalseStringFilter(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"StringParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Predicate {" 
-                                         "        Operators {" 
-                                         "            Type: OT_EQ" 
-                                         "            Argument {" 
-                                         "                Param: \"value\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"string that never can exist\"" 
-                                         "            }" 
-                                         "        }" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        LogAction {" 
-                                         "            LogTimestamp: false" 
-                                         "        }" 
-                                         "    }" 
-                                         "}")); 
-            Cout << "call to probe with string filter (always false) executor: " << p.StringParamTime(cfg) << Endl; 
-        } 
- 
-        void FalseStringFilterPartialMatch(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"StringParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Predicate {" 
-                                         "        Operators {" 
-                                         "            Type: OT_EQ" 
-                                         "            Argument {" 
-                                         "                Param: \"value\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"" + 
-                                         gStrValue + "-not-full-match\"" 
-                                                     "            }" 
-                                                     "        }" 
-                                                     "    }" 
-                                                     "    Action {" 
-                                                     "        LogAction {" 
-                                                     "            LogTimestamp: false" 
-                                                     "        }" 
-                                                     "    }" 
-                                                     "}")); 
-            Cout << "call to probe with string filter (always false) executor: " << p.StringParamTime(cfg) << Endl; 
-        } 
- 
-        void LogStringAfterFilter(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"StringParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Predicate {" 
-                                         "        Operators {" 
-                                         "            Type: OT_EQ" 
-                                         "            Argument {" 
-                                         "                Param: \"value\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"" + 
-                                         gStrValue + "\"" 
-                                                     "            }" 
-                                                     "        }" 
-                                                     "    }" 
-                                                     "    Action {" 
-                                                     "        LogAction {" 
-                                                     "            LogTimestamp: false" 
-                                                     "        }" 
-                                                     "    }" 
-                                                     "}")); 
-            Cout << "call to probe with string filter (always true) and log executors: " << p.StringParamTime(cfg) << Endl; 
-        } 
- 
-        void LogString(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"StringParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        LogAction {" 
-                                         "            LogTimestamp: false" 
-                                         "        }" 
-                                         "    }" 
-                                         "}")); 
-            Cout << "call to string probe with log executor: " << p.StringParamTime(cfg) << Endl; 
-        } 
- 
-        void LogSymbol(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"SymbolParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        LogAction {" 
-                                         "            LogTimestamp: false" 
-                                         "        }" 
-                                         "    }" 
-                                         "}")); 
-            Cout << "call to symbol probe with log executor: " << p.SymbolParamTime(cfg) << Endl; 
-        } 
- 
-        void LogCheck(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"CheckParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        LogAction {" 
-                                         "            LogTimestamp: false" 
-                                         "        }" 
-                                         "    }" 
-                                         "}")); 
-            Cout << "call to check probe with log executor: " << p.CheckParamTime(cfg) << Endl; 
-        } 
- 
-        void InMemoryLog(const TConfig& cfg) { 
-            TInMemoryLogTest test; 
-            Cout << "log to in-memory log with (int, string) writer: " << test.TwoParamsEventTime(cfg) << Endl; 
-        } 
- 
-        void InMemoryLogCheck(const TConfig& cfg) { 
-            TInMemoryLogCheckTest test; 
-            Cout << "log to in-memory log with (leak-check, string) writer: " << test.TwoParamsCheckEventTime(cfg) << Endl; 
-        } 
- 
-        void MultipleActionsCheck(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-multipleActions", MakeQuery( 
-                                                   "Blocks {" 
-                                                   "   ProbeDesc {" 
-                                                   "       Name: \"Simplest\"" 
-                                                   "       Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                                   "   }" 
-                                                   "   Predicate {" 
-                                                   "       Operators {" 
-                                                   "           Type: OT_LT" 
-                                                   "           Argument {" 
-                                                   "               Variable: \"counter\"" 
-                                                   "           }" 
-                                                   "           Argument {" 
-                                                   "               Value: \"2\"" 
-                                                   "           }" 
-                                                   "       }" 
-                                                   "   }" 
-                                                   "   Action {" 
-                                                   "       StatementAction {" 
-                                                   "           Type: ST_INC" 
-                                                   "           Argument {" 
-                                                   "               Variable: \"counter\"" 
-                                                   "           }" 
-                                                   "       }" 
-                                                   "   }" 
-                                                   "   Action {" 
-                                                   "       StatementAction {" 
-                                                   "           Type: ST_DEC" 
-                                                   "           Argument {" 
-                                                   "               Variable: \"counter\"" 
-                                                   "           }" 
-                                                   "       }" 
-                                                   "   }" 
-                                                   "   Action {" 
-                                                   "       StatementAction {" 
-                                                   "           Type: ST_SUB_EQ" 
-                                                   "           Argument {" 
-                                                   "               Variable: \"counter\"" 
-                                                   "           }" 
-                                                   "           Argument {" 
-                                                   "               Value: \"-1\"" 
-                                                   "           }" 
-                                                   "       }" 
-                                                   "   }" 
-                                                   "   Action {" 
-                                                   "       SleepAction {" 
-                                                   "           NanoSeconds: 25000000" // 25 ms 
-                                                   "       }" 
-                                                   "   }" 
-                                                   "   Action {" 
-                                                   "       SleepAction {" 
-                                                   "           NanoSeconds: 25000000" // 25 ms 
-                                                   "       }" 
-                                                   "   }" 
-                                                   "}")); 
-            TInstant t0 = Now(); 
-            for (size_t i = 0; i < 10; i++) { 
-                LWPROBE(Simplest); 
-            } 
-            TInstant t1 = Now(); 
-            ui64 duration = (t1.NanoSeconds() - t0.NanoSeconds()); 
-            Cout << "multiple sleep tested, expected 100000000 ns, measured " << duration << " ns" << Endl; 
-        } 
-
-        void SleepCheck(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-sleep", MakeQuery( 
-                                         "Blocks {" 
-                                         "   ProbeDesc {" 
-                                         "       Name: \"Simplest\"" 
-                                         "       Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "   }" 
-                                         "   Action {" 
-                                         "       SleepAction {" 
-                                         "           NanoSeconds: 100000000" // 100 ms 
-                                         "       }" 
-                                         "   }" 
-                                         "}")); 
-            TInstant t0 = Now(); 
-            for (size_t i = 0; i < 10; i++) { 
-                LWPROBE(Simplest); 
-            } 
-            TInstant t1 = Now(); 
-            ui64 duration = (t1.NanoSeconds() - t0.NanoSeconds()) / (ui64)10; 
-            Cout << "sleep tested, expected 100000000 ns, measured " << duration << " ns" << Endl; 
-        } 
-
-        void KillCheckChild(const TConfig& cfg, TPipeHandle& writer) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-kill", MakeQuery( 
-                                        "Blocks {" 
-                                        "   ProbeDesc {" 
-                                        "       Name: \"Simplest\"" 
-                                        "       Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                        "   }" 
-                                        "   Action {" 
-                                        "       KillAction {" 
-                                        "       }" 
-                                        "   }" 
-                                        "}")); 
-            // Send "i'm alive and ok" to the parent (0) 
-            char buffer = 0; 
-            writer.Write(&buffer, 1); 
-            LWPROBE(Simplest); 
-            // Send "i'm alive and that's not OK" to the parent (1) 
-            buffer = 1; 
-            writer.Write(&buffer, 1); 
-        } 
-
-        void KillCheckParent(TPipeHandle& reader) { 
-            char buffer = -1; 
-            reader.Read(&buffer, 1); 
-            reader.Read(&buffer, 1); 
-            if (buffer == -1) 
-                Cerr << "\t\terror: process died before transfering OK message during the KillAction test!" << Endl; 
-            else if (buffer != 0) 
-                Cerr << "\t\terror: process failed to die on time during the KillAction test!" << Endl; 
-            else 
-                Cout << "\t\tkill executor tested OK." << Endl; 
-        } 
-
-        void KillCheck(const TConfig& cfg) { 
+    /**/
+
+LWTRACE_DECLARE_PROVIDER(LWTRACE_TESTS_PROVIDER)
+LWTRACE_DEFINE_PROVIDER(LWTRACE_TESTS_PROVIDER)
+LWTRACE_USING(LWTRACE_TESTS_PROVIDER)
+
+namespace NLWTrace {
+    namespace NTests {
+        TString gStrValue = "a long string value that can be possible passed as a trace probe string parameter";
+        //TString gStrValue = "short";
+
+        LWTRACE_DEFINE_SYMBOL(gSymbol, "a long symbol value that can be possible passed as a trace probe string parameter");
+
+        struct TConfig {
+            size_t Cycles;
+            size_t Runs;
+            bool UnsafeLWTrace;
+
+            TConfig() {
+                Cycles = 100000;
+                Runs = 10;
+                UnsafeLWTrace = false;
+            }
+        };
+
+        struct TMeasure {
+            double Average;
+            double Sigma;
+            TMeasure(double a, double s)
+                : Average(a)
+                , Sigma(s)
+            {
+            }
+        };
+
+#define DEFINE_MEASUREMENT(name, ...)                                             \
+    double name##OneRun(const TConfig& cfg) {                                     \
+        TInstant t0 = Now();                                                      \
+        for (size_t i = 0; i < cfg.Cycles; i++) {                                 \
+            HOTSPOT(name, ##__VA_ARGS__);                                         \
+            HOTSPOT(name, ##__VA_ARGS__);                                         \
+            HOTSPOT(name, ##__VA_ARGS__);                                         \
+            HOTSPOT(name, ##__VA_ARGS__);                                         \
+            HOTSPOT(name, ##__VA_ARGS__);                                         \
+            HOTSPOT(name, ##__VA_ARGS__);                                         \
+            HOTSPOT(name, ##__VA_ARGS__);                                         \
+            HOTSPOT(name, ##__VA_ARGS__);                                         \
+            HOTSPOT(name, ##__VA_ARGS__);                                         \
+            HOTSPOT(name, ##__VA_ARGS__);                                         \
+        }                                                                         \
+        TInstant t1 = Now();                                                      \
+        return double(t1.MicroSeconds() - t0.MicroSeconds()) / (cfg.Cycles * 10); \
+    }                                                                             \
+    TMeasure name##Time(const TConfig& cfg) {                                     \
+        double v = 0;                                                             \
+        double vSq = 0;                                                           \
+        for (size_t i = 0; i < cfg.Runs; i++) {                                   \
+            double value = name##OneRun(cfg);                                     \
+            v += value;                                                           \
+            vSq += value * value;                                                 \
+        }                                                                         \
+        v /= cfg.Runs;                                                            \
+        vSq /= cfg.Runs;                                                          \
+        return TMeasure(v, sqrt(vSq - v * v));                                    \
+    }                                                                             \
+    /**/
+
+        class TProbes: public TProbeRegistry {
+        public:
+            TManager Mngr;
+
+            TProbes(bool destructiveActionsAllowed)
+                : Mngr(*this, destructiveActionsAllowed)
+            {
+                AddProbesList(LWTRACE_GET_PROBES(LWTRACE_TESTS_PROVIDER));
+            }
+
+#define HOTSPOT(name, ...) LWPROBE(name, ##__VA_ARGS__);
+            DEFINE_MEASUREMENT(Simplest);
+            DEFINE_MEASUREMENT(IntParam, 123);
+            DEFINE_MEASUREMENT(StringParam, gStrValue);
+            DEFINE_MEASUREMENT(SymbolParam, gSymbol);
+            DEFINE_MEASUREMENT(CheckParam, TCheck(13));
+#undef HOTSPOT
+        };
+
+        class TInMemoryLogTest {
+        public:
+            TInMemoryLog Log;
+
+            TInMemoryLogTest()
+                : Log(1000)
+            {
+            }
+
+#define HOTSPOT(name, ...) LWEVENT(name, Log, true, ##__VA_ARGS__);
+            DEFINE_MEASUREMENT(TwoParamsEvent, 666, TString("bla-bla-bla"));
+#undef HOTSPOT
+        };
+
+        class TInMemoryLogCheckTest {
+        public:
+            TInMemoryLog Log;
+
+            TInMemoryLogCheckTest()
+                : Log(1000)
+            {
+            }
+
+#define HOTSPOT(name, ...) LWEVENT(name, Log, true, ##__VA_ARGS__);
+            DEFINE_MEASUREMENT(TwoParamsCheckEvent, TCheck(666), TString("bla-bla-bla"));
+#undef HOTSPOT
+        };
+
+        NLWTrace::TQuery MakeQuery(const TString& queryStr) {
+            NLWTrace::TQuery query;
+            google::protobuf::TextFormat::ParseFromString(queryStr, &query);
+            return query;
+        }
+
+        void NoExec(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            Cout << "call to probe w/o executor: " << p.SimplestTime(cfg) << Endl;
+        }
+
+        void Log(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"Simplest\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Action {"
+                                         "        LogAction {"
+                                         "            LogTimestamp: false"
+                                         "        }"
+                                         "    }"
+                                         "}"));
+            Cout << "call to probe with logging executor: " << p.SimplestTime(cfg) << Endl;
+        }
+
+        void LogTs(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"Simplest\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Action {"
+                                         "        LogAction {"
+                                         "            LogTimestamp: true"
+                                         "        }"
+                                         "    }"
+                                         "}"));
+            Cout << "call to probe with logging (+timestamp) executor: " << p.SimplestTime(cfg) << Endl;
+        }
+
+        void FalseIntFilter(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"IntParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Predicate {"
+                                         "        Operators {"
+                                         "            Type: OT_GT"
+                                         "            Argument {"
+                                         "                Param: \"value\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"1000\""
+                                         "            }"
+                                         "        }"
+                                         "    }"
+                                         "    Action {"
+                                         "        LogAction {"
+                                         "            LogTimestamp: false"
+                                         "        }"
+                                         "    }"
+                                         "}"));
+            Cout << "call to probe with int filter (always false) executor: " << p.IntParamTime(cfg) << Endl;
+        }
+
+        void LogIntAfterFilter(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"IntParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Predicate {"
+                                         "        Operators {"
+                                         "            Type: OT_GT"
+                                         "            Argument {"
+                                         "                Param: \"value\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"0\""
+                                         "            }"
+                                         "        }"
+                                         "    }"
+                                         "    Action {"
+                                         "        LogAction {"
+                                         "            LogTimestamp: false"
+                                         "        }"
+                                         "    }"
+                                         "}"));
+            Cout << "call to probe with int filter (always true) and log executors: " << p.IntParamTime(cfg) << Endl;
+        }
+
+        void LogInt(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"IntParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Action {"
+                                         "        LogAction {"
+                                         "            LogTimestamp: false"
+                                         "        }"
+                                         "    }"
+                                         "}"));
+            Cout << "call to int probe with log executor: " << p.IntParamTime(cfg) << Endl;
+        }
+
+        void FalseStringFilter(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"StringParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Predicate {"
+                                         "        Operators {"
+                                         "            Type: OT_EQ"
+                                         "            Argument {"
+                                         "                Param: \"value\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"string that never can exist\""
+                                         "            }"
+                                         "        }"
+                                         "    }"
+                                         "    Action {"
+                                         "        LogAction {"
+                                         "            LogTimestamp: false"
+                                         "        }"
+                                         "    }"
+                                         "}"));
+            Cout << "call to probe with string filter (always false) executor: " << p.StringParamTime(cfg) << Endl;
+        }
+
+        void FalseStringFilterPartialMatch(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"StringParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Predicate {"
+                                         "        Operators {"
+                                         "            Type: OT_EQ"
+                                         "            Argument {"
+                                         "                Param: \"value\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"" +
+                                         gStrValue + "-not-full-match\""
+                                                     "            }"
+                                                     "        }"
+                                                     "    }"
+                                                     "    Action {"
+                                                     "        LogAction {"
+                                                     "            LogTimestamp: false"
+                                                     "        }"
+                                                     "    }"
+                                                     "}"));
+            Cout << "call to probe with string filter (always false) executor: " << p.StringParamTime(cfg) << Endl;
+        }
+
+        void LogStringAfterFilter(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"StringParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Predicate {"
+                                         "        Operators {"
+                                         "            Type: OT_EQ"
+                                         "            Argument {"
+                                         "                Param: \"value\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"" +
+                                         gStrValue + "\""
+                                                     "            }"
+                                                     "        }"
+                                                     "    }"
+                                                     "    Action {"
+                                                     "        LogAction {"
+                                                     "            LogTimestamp: false"
+                                                     "        }"
+                                                     "    }"
+                                                     "}"));
+            Cout << "call to probe with string filter (always true) and log executors: " << p.StringParamTime(cfg) << Endl;
+        }
+
+        void LogString(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"StringParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Action {"
+                                         "        LogAction {"
+                                         "            LogTimestamp: false"
+                                         "        }"
+                                         "    }"
+                                         "}"));
+            Cout << "call to string probe with log executor: " << p.StringParamTime(cfg) << Endl;
+        }
+
+        void LogSymbol(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"SymbolParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Action {"
+                                         "        LogAction {"
+                                         "            LogTimestamp: false"
+                                         "        }"
+                                         "    }"
+                                         "}"));
+            Cout << "call to symbol probe with log executor: " << p.SymbolParamTime(cfg) << Endl;
+        }
+
+        void LogCheck(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"CheckParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Action {"
+                                         "        LogAction {"
+                                         "            LogTimestamp: false"
+                                         "        }"
+                                         "    }"
+                                         "}"));
+            Cout << "call to check probe with log executor: " << p.CheckParamTime(cfg) << Endl;
+        }
+
+        void InMemoryLog(const TConfig& cfg) {
+            TInMemoryLogTest test;
+            Cout << "log to in-memory log with (int, string) writer: " << test.TwoParamsEventTime(cfg) << Endl;
+        }
+
+        void InMemoryLogCheck(const TConfig& cfg) {
+            TInMemoryLogCheckTest test;
+            Cout << "log to in-memory log with (leak-check, string) writer: " << test.TwoParamsCheckEventTime(cfg) << Endl;
+        }
+
+        void MultipleActionsCheck(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-multipleActions", MakeQuery(
+                                                   "Blocks {"
+                                                   "   ProbeDesc {"
+                                                   "       Name: \"Simplest\""
+                                                   "       Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                                   "   }"
+                                                   "   Predicate {"
+                                                   "       Operators {"
+                                                   "           Type: OT_LT"
+                                                   "           Argument {"
+                                                   "               Variable: \"counter\""
+                                                   "           }"
+                                                   "           Argument {"
+                                                   "               Value: \"2\""
+                                                   "           }"
+                                                   "       }"
+                                                   "   }"
+                                                   "   Action {"
+                                                   "       StatementAction {"
+                                                   "           Type: ST_INC"
+                                                   "           Argument {"
+                                                   "               Variable: \"counter\""
+                                                   "           }"
+                                                   "       }"
+                                                   "   }"
+                                                   "   Action {"
+                                                   "       StatementAction {"
+                                                   "           Type: ST_DEC"
+                                                   "           Argument {"
+                                                   "               Variable: \"counter\""
+                                                   "           }"
+                                                   "       }"
+                                                   "   }"
+                                                   "   Action {"
+                                                   "       StatementAction {"
+                                                   "           Type: ST_SUB_EQ"
+                                                   "           Argument {"
+                                                   "               Variable: \"counter\""
+                                                   "           }"
+                                                   "           Argument {"
+                                                   "               Value: \"-1\""
+                                                   "           }"
+                                                   "       }"
+                                                   "   }"
+                                                   "   Action {"
+                                                   "       SleepAction {"
+                                                   "           NanoSeconds: 25000000" // 25 ms
+                                                   "       }"
+                                                   "   }"
+                                                   "   Action {"
+                                                   "       SleepAction {"
+                                                   "           NanoSeconds: 25000000" // 25 ms
+                                                   "       }"
+                                                   "   }"
+                                                   "}"));
+            TInstant t0 = Now();
+            for (size_t i = 0; i < 10; i++) {
+                LWPROBE(Simplest);
+            }
+            TInstant t1 = Now();
+            ui64 duration = (t1.NanoSeconds() - t0.NanoSeconds());
+            Cout << "multiple sleep tested, expected 100000000 ns, measured " << duration << " ns" << Endl;
+        }
+
+        void SleepCheck(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-sleep", MakeQuery(
+                                         "Blocks {"
+                                         "   ProbeDesc {"
+                                         "       Name: \"Simplest\""
+                                         "       Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "   }"
+                                         "   Action {"
+                                         "       SleepAction {"
+                                         "           NanoSeconds: 100000000" // 100 ms
+                                         "       }"
+                                         "   }"
+                                         "}"));
+            TInstant t0 = Now();
+            for (size_t i = 0; i < 10; i++) {
+                LWPROBE(Simplest);
+            }
+            TInstant t1 = Now();
+            ui64 duration = (t1.NanoSeconds() - t0.NanoSeconds()) / (ui64)10;
+            Cout << "sleep tested, expected 100000000 ns, measured " << duration << " ns" << Endl;
+        }
+
+        void KillCheckChild(const TConfig& cfg, TPipeHandle& writer) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-kill", MakeQuery(
+                                        "Blocks {"
+                                        "   ProbeDesc {"
+                                        "       Name: \"Simplest\""
+                                        "       Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                        "   }"
+                                        "   Action {"
+                                        "       KillAction {"
+                                        "       }"
+                                        "   }"
+                                        "}"));
+            // Send "i'm alive and ok" to the parent (0)
+            char buffer = 0;
+            writer.Write(&buffer, 1);
+            LWPROBE(Simplest);
+            // Send "i'm alive and that's not OK" to the parent (1)
+            buffer = 1;
+            writer.Write(&buffer, 1);
+        }
+
+        void KillCheckParent(TPipeHandle& reader) {
+            char buffer = -1;
+            reader.Read(&buffer, 1);
+            reader.Read(&buffer, 1);
+            if (buffer == -1)
+                Cerr << "\t\terror: process died before transfering OK message during the KillAction test!" << Endl;
+            else if (buffer != 0)
+                Cerr << "\t\terror: process failed to die on time during the KillAction test!" << Endl;
+            else
+                Cout << "\t\tkill executor tested OK." << Endl;
+        }
+
+        void KillCheck(const TConfig& cfg) {
 #ifdef _unix_
-            TPipeHandle reader; 
-            TPipeHandle writer; 
-            TPipeHandle::Pipe(reader, writer); 
-            Cout << "forking the process..." << Endl; 
-            pid_t cpid = fork(); 
-            if (cpid == -1) { 
-                Cerr << "\t\terror forking for the KillAction test!" << Endl; 
-            } else if (cpid == 0) { 
-                reader.Close(); 
-                KillCheckChild(cfg, writer); 
-                writer.Close(); 
-                exit(EXIT_SUCCESS); 
-            } else { 
-                writer.Close(); 
-                KillCheckParent(reader); 
-                reader.Close(); 
-            } 
+            TPipeHandle reader;
+            TPipeHandle writer;
+            TPipeHandle::Pipe(reader, writer);
+            Cout << "forking the process..." << Endl;
+            pid_t cpid = fork();
+            if (cpid == -1) {
+                Cerr << "\t\terror forking for the KillAction test!" << Endl;
+            } else if (cpid == 0) {
+                reader.Close();
+                KillCheckChild(cfg, writer);
+                writer.Close();
+                exit(EXIT_SUCCESS);
+            } else {
+                writer.Close();
+                KillCheckParent(reader);
+                reader.Close();
+            }
 #else
-            Cout << "kill action test for windows is not implemented." << Endl; 
+            Cout << "kill action test for windows is not implemented." << Endl;
 #endif
-        } 
-
-        void LogIntModFilter(const TConfig& cfg) { 
-            TProbes p(cfg.UnsafeLWTrace); 
-            p.Mngr.New("test-trace", MakeQuery( 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"IntParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Predicate {" 
-                                         "        Operators {" 
-                                         "            Type: OT_GT" 
-                                         "            Argument {" 
-                                         "                Param: \"value\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"0\"" 
-                                         "            }" 
-                                         "        }" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        StatementAction {" 
-                                         "            Type: ST_ADD_EQ" 
-                                         "            Argument {" 
-                                         "                Variable: \"counter\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"1\"" 
-                                         "            }" 
-                                         "        }" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        StatementAction {" 
-                                         "            Type: ST_ADD" 
-                                         "            Argument {" 
-                                         "                Variable: \"counter\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Variable: \"counter\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"1\"" 
-                                         "            }" 
-                                         "        }" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        StatementAction {" 
-                                         "            Type: ST_MOD" 
-                                         "            Argument {" 
-                                         "                Variable: \"counter\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Variable: \"counter\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"20\"" 
-                                         "            }" 
-                                         "        }" 
-                                         "    }" 
-                                         "}" 
-                                         "Blocks {" 
-                                         "    ProbeDesc {" 
-                                         "        Name: \"IntParam\"" 
-                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\"" 
-                                         "    }" 
-                                         "    Predicate {" 
-                                         "        Operators {" 
-                                         "            Type: OT_EQ" 
-                                         "            Argument {" 
-                                         "                Variable: \"counter\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"0\"" 
-                                         "            }" 
-                                         "        }" 
-                                         "        Operators {" 
-                                         "            Type: OT_GT" 
-                                         "            Argument {" 
-                                         "                Param: \"value\"" 
-                                         "            }" 
-                                         "            Argument {" 
-                                         "                Value: \"0\"" 
-                                         "            }" 
-                                         "        }" 
-                                         "    }" 
-                                         "    Action {" 
-                                         "        LogAction {" 
-                                         "            LogTimestamp: false" 
-                                         "        }" 
-                                         "    }" 
-                                         "}")); 
-            Cout << "call to probe with int mod filter (always true, mod 10) and log executors: " << p.IntParamTime(cfg) << Endl; 
-        } 
-
-#define FOR_EACH_TEST()                                \ 
-    FOR_EACH_TEST_MACRO(LogIntModFilter)               \ 
-    FOR_EACH_TEST_MACRO(SleepCheck)                    \ 
-    FOR_EACH_TEST_MACRO(MultipleActionsCheck)          \ 
-    FOR_EACH_TEST_MACRO(KillCheck)                     \ 
-    FOR_EACH_TEST_MACRO(InMemoryLog)                   \ 
-    FOR_EACH_TEST_MACRO(InMemoryLogCheck)              \ 
-    FOR_EACH_TEST_MACRO(NoExec)                        \ 
-    FOR_EACH_TEST_MACRO(Log)                           \ 
-    FOR_EACH_TEST_MACRO(LogTs)                         \ 
-    FOR_EACH_TEST_MACRO(FalseIntFilter)                \ 
-    FOR_EACH_TEST_MACRO(LogIntAfterFilter)             \ 
-    FOR_EACH_TEST_MACRO(LogInt)                        \ 
-    FOR_EACH_TEST_MACRO(FalseStringFilter)             \ 
-    FOR_EACH_TEST_MACRO(FalseStringFilterPartialMatch) \ 
-    FOR_EACH_TEST_MACRO(LogStringAfterFilter)          \ 
-    FOR_EACH_TEST_MACRO(LogString)                     \ 
-    FOR_EACH_TEST_MACRO(LogSymbol)                     \ 
-    FOR_EACH_TEST_MACRO(LogCheck)                      \ 
-    /**/ 
- 
-        int Main(int argc, char** argv) { 
-            TConfig cfg; 
-            using namespace NLastGetopt; 
-            TOpts opts = NLastGetopt::TOpts::Default(); 
-            opts.AddLongOption('c', "cycles", "cycles count").RequiredArgument("N").DefaultValue(ToString(cfg.Cycles)).StoreResult(&cfg.Cycles); 
-            opts.AddLongOption('r', "runs", "runs count").RequiredArgument("N").DefaultValue(ToString(cfg.Runs)).StoreResult(&cfg.Runs); 
-            opts.AddLongOption('u', "unsafe-lwtrace", "allow destructive actions").OptionalValue(ToString(true)).DefaultValue(ToString(false)).StoreResult(&cfg.UnsafeLWTrace); 
-            opts.AddHelpOption('h'); 
-            TOptsParseResult res(&opts, argc, argv); 
- 
-            TVector<TString> tests = res.GetFreeArgs(); 
-            if (tests.empty()) { 
-#define FOR_EACH_TEST_MACRO(t) tests.push_back(#t); 
-                FOR_EACH_TEST() 
-#undef FOR_EACH_TEST_MACRO 
-            } 
-            for (size_t i = 0; i < tests.size(); i++) { 
-                const TString& test = tests[i]; 
-#define FOR_EACH_TEST_MACRO(t) \ 
-    if (test == #t) {          \ 
-        Cout << #t ": \t";     \ 
-        t(cfg);                \ 
-    } 
-                FOR_EACH_TEST() 
-#undef FOR_EACH_TEST_MACRO 
-            } 
- 
-            if (TCheck::ObjCount != 0) { 
-                Cout << ">>>>> THERE IS AN OBJECT LEAK <<<<<" << Endl; 
-                Cout << "NLWTrace::TCheck::ObjCount = " << TCheck::ObjCount << Endl; 
-            } 
- 
-            Cout << "Done" << Endl; 
-            return 0; 
-        } 
- 
-    } 
- 
-} 
- 
-template <> 
+        }
+
+        void LogIntModFilter(const TConfig& cfg) {
+            TProbes p(cfg.UnsafeLWTrace);
+            p.Mngr.New("test-trace", MakeQuery(
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"IntParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Predicate {"
+                                         "        Operators {"
+                                         "            Type: OT_GT"
+                                         "            Argument {"
+                                         "                Param: \"value\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"0\""
+                                         "            }"
+                                         "        }"
+                                         "    }"
+                                         "    Action {"
+                                         "        StatementAction {"
+                                         "            Type: ST_ADD_EQ"
+                                         "            Argument {"
+                                         "                Variable: \"counter\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"1\""
+                                         "            }"
+                                         "        }"
+                                         "    }"
+                                         "    Action {"
+                                         "        StatementAction {"
+                                         "            Type: ST_ADD"
+                                         "            Argument {"
+                                         "                Variable: \"counter\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Variable: \"counter\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"1\""
+                                         "            }"
+                                         "        }"
+                                         "    }"
+                                         "    Action {"
+                                         "        StatementAction {"
+                                         "            Type: ST_MOD"
+                                         "            Argument {"
+                                         "                Variable: \"counter\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Variable: \"counter\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"20\""
+                                         "            }"
+                                         "        }"
+                                         "    }"
+                                         "}"
+                                         "Blocks {"
+                                         "    ProbeDesc {"
+                                         "        Name: \"IntParam\""
+                                         "        Provider: \"LWTRACE_TESTS_PROVIDER\""
+                                         "    }"
+                                         "    Predicate {"
+                                         "        Operators {"
+                                         "            Type: OT_EQ"
+                                         "            Argument {"
+                                         "                Variable: \"counter\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"0\""
+                                         "            }"
+                                         "        }"
+                                         "        Operators {"
+                                         "            Type: OT_GT"
+                                         "            Argument {"
+                                         "                Param: \"value\""
+                                         "            }"
+                                         "            Argument {"
+                                         "                Value: \"0\""
+                                         "            }"
+                                         "        }"
+                                         "    }"
+                                         "    Action {"
+                                         "        LogAction {"
+                                         "            LogTimestamp: false"
+                                         "        }"
+                                         "    }"
+                                         "}"));
+            Cout << "call to probe with int mod filter (always true, mod 10) and log executors: " << p.IntParamTime(cfg) << Endl;
+        }
+
+#define FOR_EACH_TEST()                                \
+    FOR_EACH_TEST_MACRO(LogIntModFilter)               \
+    FOR_EACH_TEST_MACRO(SleepCheck)                    \
+    FOR_EACH_TEST_MACRO(MultipleActionsCheck)          \
+    FOR_EACH_TEST_MACRO(KillCheck)                     \
+    FOR_EACH_TEST_MACRO(InMemoryLog)                   \
+    FOR_EACH_TEST_MACRO(InMemoryLogCheck)              \
+    FOR_EACH_TEST_MACRO(NoExec)                        \
+    FOR_EACH_TEST_MACRO(Log)                           \
+    FOR_EACH_TEST_MACRO(LogTs)                         \
+    FOR_EACH_TEST_MACRO(FalseIntFilter)                \
+    FOR_EACH_TEST_MACRO(LogIntAfterFilter)             \
+    FOR_EACH_TEST_MACRO(LogInt)                        \
+    FOR_EACH_TEST_MACRO(FalseStringFilter)             \
+    FOR_EACH_TEST_MACRO(FalseStringFilterPartialMatch) \
+    FOR_EACH_TEST_MACRO(LogStringAfterFilter)          \
+    FOR_EACH_TEST_MACRO(LogString)                     \
+    FOR_EACH_TEST_MACRO(LogSymbol)                     \
+    FOR_EACH_TEST_MACRO(LogCheck)                      \
+    /**/
+
+        int Main(int argc, char** argv) {
+            TConfig cfg;
+            using namespace NLastGetopt;
+            TOpts opts = NLastGetopt::TOpts::Default();
+            opts.AddLongOption('c', "cycles", "cycles count").RequiredArgument("N").DefaultValue(ToString(cfg.Cycles)).StoreResult(&cfg.Cycles);
+            opts.AddLongOption('r', "runs", "runs count").RequiredArgument("N").DefaultValue(ToString(cfg.Runs)).StoreResult(&cfg.Runs);
+            opts.AddLongOption('u', "unsafe-lwtrace", "allow destructive actions").OptionalValue(ToString(true)).DefaultValue(ToString(false)).StoreResult(&cfg.UnsafeLWTrace);
+            opts.AddHelpOption('h');
+            TOptsParseResult res(&opts, argc, argv);
+
+            TVector<TString> tests = res.GetFreeArgs();
+            if (tests.empty()) {
+#define FOR_EACH_TEST_MACRO(t) tests.push_back(#t);
+                FOR_EACH_TEST()
+#undef FOR_EACH_TEST_MACRO
+            }
+            for (size_t i = 0; i < tests.size(); i++) {
+                const TString& test = tests[i];
+#define FOR_EACH_TEST_MACRO(t) \
+    if (test == #t) {          \
+        Cout << #t ": \t";     \
+        t(cfg);                \
+    }
+                FOR_EACH_TEST()
+#undef FOR_EACH_TEST_MACRO
+            }
+
+            if (TCheck::ObjCount != 0) {
+                Cout << ">>>>> THERE IS AN OBJECT LEAK <<<<<" << Endl;
+                Cout << "NLWTrace::TCheck::ObjCount = " << TCheck::ObjCount << Endl;
+            }
+
+            Cout << "Done" << Endl;
+            return 0;
+        }
+
+    }
+
+}
+
+template <>
 void Out<NLWTrace::NTests::TMeasure>(IOutputStream& os, TTypeTraits<NLWTrace::NTests::TMeasure>::TFuncParam measure) {
-    os << Sprintf("\n\t\t%.6lf +- %.6lf us,\tRPS: %30.3lf (%.1fM)", measure.Average, measure.Sigma, 1000000.0 / measure.Average, 1.0 / measure.Average); 
-} 
- 
-int main(int argc, char** argv) { 
-    try { 
-        return NLWTrace::NTests::Main(argc, argv); 
-    } catch (std::exception& e) { 
-        Cerr << e.what() << Endl; 
-        return 1; 
-    } catch (...) { 
-        Cerr << "Unknown error" << Endl; 
-        return 1; 
-    } 
-} 
+    os << Sprintf("\n\t\t%.6lf +- %.6lf us,\tRPS: %30.3lf (%.1fM)", measure.Average, measure.Sigma, 1000000.0 / measure.Average, 1.0 / measure.Average);
+}
+
+int main(int argc, char** argv) {
+    try {
+        return NLWTrace::NTests::Main(argc, argv);
+    } catch (std::exception& e) {
+        Cerr << e.what() << Endl;
+        return 1;
+    } catch (...) {
+        Cerr << "Unknown error" << Endl;
+        return 1;
+    }
+}
diff --git a/library/cpp/lwtrace/tests/ya.make b/library/cpp/lwtrace/tests/ya.make
index 072cbba5d4..6225ab1fa0 100644
--- a/library/cpp/lwtrace/tests/ya.make
+++ b/library/cpp/lwtrace/tests/ya.make
@@ -1,15 +1,15 @@
 OWNER(serxa)
 
-PROGRAM() 
- 
-SRCS( 
-    trace_tests.cpp 
-) 
- 
-PEERDIR( 
+PROGRAM()
+
+SRCS(
+    trace_tests.cpp
+)
+
+PEERDIR(
     contrib/libs/protobuf
     library/cpp/getopt
     library/cpp/lwtrace
-) 
- 
-END() 
+)
+
+END()
diff --git a/library/cpp/lwtrace/trace.cpp b/library/cpp/lwtrace/trace.cpp
index c4d30b1796..3c974c85a0 100644
--- a/library/cpp/lwtrace/trace.cpp
+++ b/library/cpp/lwtrace/trace.cpp
@@ -6,812 +6,812 @@
 #include "stderr_writer.h"
 #include "google/protobuf/repeated_field.h"
 
-#include <util/generic/map.h> 
-#include <util/random/random.h> 
- 
+#include <util/generic/map.h>
+#include <util/random/random.h>
+
 #include <functional>
 
-namespace NLWTrace { 
-#ifndef LWTRACE_DISABLE 
- 
-// Define static strings for name of each parameter type 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v)       \ 
-    const char* TParamType<t>::NameString = n; \ 
-    /**/ 
-    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-    FOR_NIL_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
- 
-#endif 
- 
-    void TProbeRegistry::AddProbesList(TProbe** reg) { 
-        TGuard<TMutex> g(Mutex); 
-        if (reg == nullptr) { 
-            return; 
-        } 
-        for (TProbe** i = reg; *i != nullptr; i++) { 
-            AddProbeNoLock(new TStaticBox(*i)); 
-        } 
-    } 
- 
-    void TProbeRegistry::AddProbe(const TBoxPtr& box) { 
-        TGuard<TMutex> g(Mutex); 
-        AddProbeNoLock(box); 
-    } 
- 
-    void TProbeRegistry::RemoveProbe(TProbe* probe) { 
-        TGuard<TMutex> g(Mutex); 
-        RemoveProbeNoLock(probe); 
-    } 
- 
-    void TProbeRegistry::AddProbeNoLock(const TBoxPtr& box) { 
-        TProbe* probe = box->GetProbe(); 
+namespace NLWTrace {
+#ifndef LWTRACE_DISABLE
+
+// Define static strings for name of each parameter type
+#define FOREACH_PARAMTYPE_MACRO(n, t, v)       \
+    const char* TParamType<t>::NameString = n; \
+    /**/
+    FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+    FOR_NIL_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+
+#endif
+
+    void TProbeRegistry::AddProbesList(TProbe** reg) {
+        TGuard<TMutex> g(Mutex);
+        if (reg == nullptr) {
+            return;
+        }
+        for (TProbe** i = reg; *i != nullptr; i++) {
+            AddProbeNoLock(new TStaticBox(*i));
+        }
+    }
+
+    void TProbeRegistry::AddProbe(const TBoxPtr& box) {
+        TGuard<TMutex> g(Mutex);
+        AddProbeNoLock(box);
+    }
+
+    void TProbeRegistry::RemoveProbe(TProbe* probe) {
+        TGuard<TMutex> g(Mutex);
+        RemoveProbeNoLock(probe);
+    }
+
+    void TProbeRegistry::AddProbeNoLock(const TBoxPtr& box) {
+        TProbe* probe = box->GetProbe();
         if (Probes.contains(probe)) {
-            return; // silently skip probe double registration 
-        } 
-        TIds::key_type key(probe->Event.GetProvider(), probe->Event.Name); 
+            return; // silently skip probe double registration
+        }
+        TIds::key_type key(probe->Event.GetProvider(), probe->Event.Name);
         Y_VERIFY(Ids.count(key) == 0, "duplicate provider:probe pair %s:%s", key.first.data(), key.second.data());
-        Probes.emplace(probe, box); 
-        Ids.insert(key); 
-    } 
- 
-    void TProbeRegistry::RemoveProbeNoLock(TProbe* probe) { 
-        auto iter = Probes.find(probe); 
-        if (iter != Probes.end()) { 
-            TIds::key_type key(probe->Event.GetProvider(), probe->Event.Name); 
-            Ids.erase(key); 
-            Probes.erase(iter); 
-        } else { 
-            // silently skip probe double unregistration 
-        } 
-    } 
- 
-    TAtomic* GetVariablePtr(TSession::TTraceVariables& traceVariables, const TString& name) { 
-        TSession::TTraceVariables::iterator it = traceVariables.find(name); 
-        if (it == traceVariables.end()) { 
-            TAtomicBase zero = 0; 
-            traceVariables[name] = zero; 
-            return &traceVariables[name]; 
-        } 
-        return &((*it).second); 
+        Probes.emplace(probe, box);
+        Ids.insert(key);
+    }
+
+    void TProbeRegistry::RemoveProbeNoLock(TProbe* probe) {
+        auto iter = Probes.find(probe);
+        if (iter != Probes.end()) {
+            TIds::key_type key(probe->Event.GetProvider(), probe->Event.Name);
+            Ids.erase(key);
+            Probes.erase(iter);
+        } else {
+            // silently skip probe double unregistration
+        }
+    }
+
+    TAtomic* GetVariablePtr(TSession::TTraceVariables& traceVariables, const TString& name) {
+        TSession::TTraceVariables::iterator it = traceVariables.find(name);
+        if (it == traceVariables.end()) {
+            TAtomicBase zero = 0;
+            traceVariables[name] = zero;
+            return &traceVariables[name];
+        }
+        return &((*it).second);
+    }
+
+    typedef enum {
+        OT_LITERAL = 0,
+        OT_PARAMETER = 1,
+        OT_VARIABLE = 2
+    } EOperandType;
+
+    template <class T, EOperandType>
+    class TOperand;
+
+    template <class T>
+    class TOperand<T, OT_LITERAL> {
+    private:
+        T ImmediateValue;
+
+    public:
+        TOperand(TSession::TTraceVariables&, const TString&, const TString& value, size_t) {
+            ImmediateValue = TParamConv<T>::FromString(value);
+        }
+        const T& Get(const TParams&) {
+            return ImmediateValue;
+        }
+    };
+
+    template <class T>
+    class TOperand<T, OT_PARAMETER> {
+    private:
+        size_t Idx;
+
+    public:
+        TOperand(TSession::TTraceVariables&, const TString&, const TString&, size_t idx) {
+            Idx = idx;
+        }
+
+        const T& Get(const TParams& params) {
+            return params.Param[Idx].template Get<T>();
+        }
+    };
+
+    template <class T>
+    class TOperand<T, OT_VARIABLE> {
+    private:
+        TAtomic* Variable;
+
+    public:
+        TOperand(TSession::TTraceVariables& traceVariables, const TString& name, const TString&, size_t) {
+            Variable = GetVariablePtr(traceVariables, name);
+        }
+
+        const T Get(const TParams&) {
+            return (T)AtomicGet(*Variable);
+        }
+
+        void Set(const T& value) {
+            AtomicSet(*Variable, value);
+        }
+
+        void Inc() {
+            AtomicIncrement(*Variable);
+        }
+
+        void Dec() {
+            AtomicDecrement(*Variable);
+        }
+
+        void Add(const TAtomicBase value) {
+            AtomicAdd(*Variable, value);
+        }
+
+        void Sub(const TAtomicBase value) {
+            AtomicSub(*Variable, value);
+        }
+    };
+
+    template <>
+    class TOperand<TCheck, OT_VARIABLE> {
+    private:
+        TAtomic* Variable;
+
+    public:
+        TOperand(TSession::TTraceVariables& traceVariables, const TString& name, const TString&, size_t) {
+            Variable = GetVariablePtr(traceVariables, name);
+        }
+
+        const TCheck Get(const TParams&) {
+            return TCheck(AtomicGet(*Variable));
+        }
+
+        void Set(const TCheck& value) {
+            AtomicSet(*Variable, value.Value);
+        }
+
+        void Add(const TCheck& value) {
+            AtomicAdd(*Variable, value.Value);
+        }
+
+        void Sub(const TCheck value) {
+            AtomicSub(*Variable, value.Value);
+        }
+
+        void Inc() {
+            AtomicIncrement(*Variable);
+        }
+
+        void Dec() {
+            AtomicDecrement(*Variable);
+        }
+    };
+
+    template <>
+    class TOperand<TString, OT_VARIABLE> {
+    private:
+        TString Dummy;
+
+    public:
+        TOperand(TSession::TTraceVariables&, const TString&, const TString&, size_t) {
+        }
+
+        const TString Get(const TParams&) {
+            return Dummy;
+        }
+
+        void Set(const TString&) {
+        }
+    };
+
+    template <>
+    class TOperand<TSymbol, OT_VARIABLE> {
+    private:
+        TSymbol Dummy;
+
+    public:
+        TOperand(TSession::TTraceVariables&, const TString&, const TString&, size_t) {
+        }
+
+        const TSymbol Get(const TParams&) {
+            return Dummy;
+        }
+
+        void Set(const TSymbol&) {
+        }
+    };
+
+    // IOperandGetter: hide concrete EOperandType, to save compilation time
+    template <class T>
+    struct IOperandGetter {
+        virtual const T Get(const TParams& params) = 0;
+        virtual ~IOperandGetter() {
+        }
+    };
+
+    template <class T, EOperandType TParam>
+    class TOperandGetter: public IOperandGetter<T> {
+    private:
+        TOperand<T, TParam> Op;
+
+    public:
+        TOperandGetter(const TOperand<T, TParam>& op)
+            : Op(op)
+        {
+        }
+
+        const T Get(const TParams& params) override {
+            return Op.Get(params);
+        }
+    };
+
+    template <class T>
+    class TReceiver: public TOperand<T, OT_VARIABLE> {
+    public:
+        TReceiver(TSession::TTraceVariables& traceVariables, const TString& name)
+            : TOperand<T, OT_VARIABLE>(traceVariables, name, nullptr, 0)
+        {
+        }
+    };
+
+    template <class TP, class TPredicate>
+    static bool CmpFunc(TP a, TP b) {
+        return TPredicate()(a, b);
     }
 
-    typedef enum { 
-        OT_LITERAL = 0, 
-        OT_PARAMETER = 1, 
-        OT_VARIABLE = 2 
-    } EOperandType; 
-
-    template <class T, EOperandType> 
-    class TOperand; 
-
-    template <class T> 
-    class TOperand<T, OT_LITERAL> { 
-    private: 
-        T ImmediateValue; 
- 
-    public: 
-        TOperand(TSession::TTraceVariables&, const TString&, const TString& value, size_t) { 
-            ImmediateValue = TParamConv<T>::FromString(value); 
-        } 
-        const T& Get(const TParams&) { 
-            return ImmediateValue; 
-        } 
-    }; 
- 
-    template <class T> 
-    class TOperand<T, OT_PARAMETER> { 
-    private: 
-        size_t Idx; 
- 
-    public: 
-        TOperand(TSession::TTraceVariables&, const TString&, const TString&, size_t idx) { 
-            Idx = idx; 
-        } 
- 
-        const T& Get(const TParams& params) { 
-            return params.Param[Idx].template Get<T>(); 
-        } 
-    }; 
- 
-    template <class T> 
-    class TOperand<T, OT_VARIABLE> { 
-    private: 
-        TAtomic* Variable; 
- 
-    public: 
-        TOperand(TSession::TTraceVariables& traceVariables, const TString& name, const TString&, size_t) { 
-            Variable = GetVariablePtr(traceVariables, name); 
-        } 
- 
-        const T Get(const TParams&) { 
-            return (T)AtomicGet(*Variable); 
-        } 
- 
-        void Set(const T& value) { 
-            AtomicSet(*Variable, value); 
-        } 
- 
-        void Inc() { 
-            AtomicIncrement(*Variable); 
-        } 
-
-        void Dec() { 
-            AtomicDecrement(*Variable); 
-        } 
- 
-        void Add(const TAtomicBase value) { 
-            AtomicAdd(*Variable, value); 
-        } 
- 
-        void Sub(const TAtomicBase value) { 
-            AtomicSub(*Variable, value); 
-        } 
-    }; 
- 
-    template <> 
-    class TOperand<TCheck, OT_VARIABLE> { 
-    private: 
-        TAtomic* Variable; 
- 
-    public: 
-        TOperand(TSession::TTraceVariables& traceVariables, const TString& name, const TString&, size_t) { 
-            Variable = GetVariablePtr(traceVariables, name); 
-        } 
- 
-        const TCheck Get(const TParams&) { 
-            return TCheck(AtomicGet(*Variable)); 
-        } 
- 
-        void Set(const TCheck& value) { 
-            AtomicSet(*Variable, value.Value); 
-        } 
-
-        void Add(const TCheck& value) { 
-            AtomicAdd(*Variable, value.Value); 
-        } 
- 
-        void Sub(const TCheck value) { 
-            AtomicSub(*Variable, value.Value); 
-        } 
- 
-        void Inc() { 
-            AtomicIncrement(*Variable); 
-        } 
-
-        void Dec() { 
-            AtomicDecrement(*Variable); 
-        } 
-    }; 
- 
-    template <> 
-    class TOperand<TString, OT_VARIABLE> { 
-    private: 
-        TString Dummy; 
- 
-    public: 
-        TOperand(TSession::TTraceVariables&, const TString&, const TString&, size_t) { 
-        } 
- 
-        const TString Get(const TParams&) { 
-            return Dummy; 
-        } 
-
-        void Set(const TString&) { 
-        } 
-    }; 
-
-    template <> 
-    class TOperand<TSymbol, OT_VARIABLE> { 
-    private: 
-        TSymbol Dummy; 
-
-    public: 
-        TOperand(TSession::TTraceVariables&, const TString&, const TString&, size_t) { 
-        } 
-
-        const TSymbol Get(const TParams&) { 
-            return Dummy; 
-        } 
-
-        void Set(const TSymbol&) { 
-        } 
-    }; 
-
-    // IOperandGetter: hide concrete EOperandType, to save compilation time 
-    template <class T> 
-    struct IOperandGetter { 
-        virtual const T Get(const TParams& params) = 0; 
-        virtual ~IOperandGetter() { 
-        } 
-    }; 
-
-    template <class T, EOperandType TParam> 
-    class TOperandGetter: public IOperandGetter<T> { 
-    private: 
-        TOperand<T, TParam> Op; 
-
-    public: 
-        TOperandGetter(const TOperand<T, TParam>& op) 
-            : Op(op) 
-        { 
-        } 
-
-        const T Get(const TParams& params) override { 
-            return Op.Get(params); 
-        } 
-    }; 
-
-    template <class T> 
-    class TReceiver: public TOperand<T, OT_VARIABLE> { 
-    public: 
-        TReceiver(TSession::TTraceVariables& traceVariables, const TString& name) 
-            : TOperand<T, OT_VARIABLE>(traceVariables, name, nullptr, 0) 
-        { 
-        } 
-    }; 
-
-    template <class TP, class TPredicate> 
-    static bool CmpFunc(TP a, TP b) { 
-        return TPredicate()(a, b); 
-    } 
- 
-    template <class TP, class TFunc, EOperandType TLhs, EOperandType TRhs> 
-    class TOperatorExecutor: public IExecutor { 
-    private: 
-        bool InvertCompare; 
-        TOperand<TP, TLhs> Lhs; 
-        TOperand<TP, TRhs> Rhs; 
- 
-        bool DoExecute(TOrbit&, const TParams& params) override { 
-            return TFunc()(Lhs.Get(params), Rhs.Get(params)) != InvertCompare; 
-        } 
- 
-    public: 
-        TOperatorExecutor(const TOperand<TP, TLhs>& lhs, const TOperand<TP, TRhs>& rhs, bool invertCompare) 
-            : InvertCompare(invertCompare) 
-            , Lhs(lhs) 
-            , Rhs(rhs) 
-        { 
-        } 
-    }; 
- 
-    template <class TR, class TP> 
-    struct TAddEq { 
-        void operator()(TR& x, TP y) const { 
-            x.Add(y); 
-        } 
-    }; 
-    template <class TR, class TP> 
-    struct TSubEq { 
-        void operator()(TR& x, TP y) const { 
-            x.Sub(y); 
-        } 
-    }; 
-    template <class TR> 
-    struct TInc { 
-        void operator()(TR& x) const { 
-            x.Inc(); 
-        } 
-    }; 
-    template <class TR> 
-    struct TDec { 
-        void operator()(TR& x) const { 
-            x.Dec(); 
-        } 
-    }; 
- 
-    template <class TP, class TFunc> 
-    class TUnaryInplaceStatementExecutor: public IExecutor { 
-    private: 
-        TFunc Func; 
-        TReceiver<TP> Receiver; 
-
-        bool DoExecute(TOrbit&, const TParams&) override { 
-            Func(Receiver); 
-            return true; 
-        } 
-
-    public: 
-        TUnaryInplaceStatementExecutor(TReceiver<TP>& receiver) 
-            : Receiver(receiver) 
-        { 
-        } 
-    }; 
-
-    template <class TP, class TFunc, EOperandType TParam> 
-    class TBinaryInplaceStatementExecutor: public IExecutor { 
-    private: 
-        TFunc Func; 
-        TReceiver<TP> Receiver; 
-        TOperand<TP, TParam> Param; 
-
-        bool DoExecute(TOrbit&, const TParams& params) override { 
-            Func(Receiver, Param.Get(params)); 
-            return true; 
-        } 
-
-    public: 
-        TBinaryInplaceStatementExecutor(TReceiver<TP>& receiver, const TOperand<TP, TParam>& param) 
-            : Receiver(receiver) 
-            , Param(param) 
-        { 
-        } 
-    }; 
-
-    template <class TP, class TFunc, EOperandType TFirstParam> 
-    class TBinaryStatementExecutor: public IExecutor { 
-    private: 
-        TFunc Func; 
-        TReceiver<TP> Receiver; 
-        TOperand<TP, TFirstParam> FirstParam; 
-
-        bool DoExecute(TOrbit&, const TParams& params) override { 
-            Receiver.Set(Func(Receiver.Get(params), FirstParam.Get(params))); 
-            return true; 
-        } 
- 
-    public: 
-        TBinaryStatementExecutor(TReceiver<TP>& receiver, const TOperand<TP, TFirstParam>& firstParam) 
-            : Receiver(receiver) 
-            , FirstParam(firstParam) 
-        { 
-        } 
-    }; 
- 
-    template <class TP, class TFunc> 
-    class TTernaryStatementExecutor: public IExecutor { 
-    private: 
-        TFunc Func; 
-        TReceiver<TP> Receiver; 
- 
-        TAutoPtr<IOperandGetter<TP>> FirstParam; 
-        TAutoPtr<IOperandGetter<TP>> SecondParam; 
- 
-        bool DoExecute(TOrbit&, const TParams& params) override { 
-            Receiver.Set(Func(FirstParam->Get(params), SecondParam->Get(params))); 
-            return true; 
-        } 
- 
-    public: 
-        TTernaryStatementExecutor(const TReceiver<TP>& receiver, 
-                                  TAutoPtr<IOperandGetter<TP>> firstParam, 
-                                  TAutoPtr<IOperandGetter<TP>> secondParam) 
-            : Receiver(receiver) 
-            , FirstParam(firstParam) 
-            , SecondParam(secondParam) 
-        { 
-        } 
-    }; 
- 
-    template <class TLog> 
-    class TLogActionExecutor: public IExecutor { 
-    private: 
-        bool LogParams; 
-        bool LogTimestamp; 
-        intptr_t* MaxRecords; 
-        TAtomic Records; 
-        TProbe* Probe; 
-        TLog* Log; 
- 
-        bool DoExecute(TOrbit&, const TParams& params) override { 
-            if (MaxRecords != nullptr) { 
-                while (true) { 
-                    intptr_t a = AtomicGet(Records); 
-                    if (a >= *MaxRecords) { 
-                        return true; 
-                    } 
-                    if (AtomicCas(&Records, a + 1, a)) { 
-                        Write(params); 
-                        return true; 
-                    } 
-                } 
-            } else { 
-                Write(params); 
-                return true; 
-            } 
-        } 
- 
-        void Write(const TParams& params) { 
-            typename TLog::TAccessor la(*Log); 
-            if (typename TLog::TItem* item = la.Add()) { 
-                item->Probe = Probe; 
-                if (LogParams) { 
-                    if ((item->SavedParamsCount = Probe->Event.Signature.ParamCount) > 0) { 
-                        Probe->Event.Signature.CloneParams(item->Params, params); 
-                    } 
-                } else { 
-                    item->SavedParamsCount = 0; 
-                } 
-                if (LogTimestamp) { 
-                    item->Timestamp = TInstant::Now(); 
-                } 
-                item->TimestampCycles = GetCycleCount(); 
-            } 
-        } 
- 
-    public: 
-        TLogActionExecutor(TProbe* probe, const TLogAction& action, TLog* log) 
+    template <class TP, class TFunc, EOperandType TLhs, EOperandType TRhs>
+    class TOperatorExecutor: public IExecutor {
+    private:
+        bool InvertCompare;
+        TOperand<TP, TLhs> Lhs;
+        TOperand<TP, TRhs> Rhs;
+
+        bool DoExecute(TOrbit&, const TParams& params) override {
+            return TFunc()(Lhs.Get(params), Rhs.Get(params)) != InvertCompare;
+        }
+
+    public:
+        TOperatorExecutor(const TOperand<TP, TLhs>& lhs, const TOperand<TP, TRhs>& rhs, bool invertCompare)
+            : InvertCompare(invertCompare)
+            , Lhs(lhs)
+            , Rhs(rhs)
+        {
+        }
+    };
+
+    template <class TR, class TP>
+    struct TAddEq {
+        void operator()(TR& x, TP y) const {
+            x.Add(y);
+        }
+    };
+    template <class TR, class TP>
+    struct TSubEq {
+        void operator()(TR& x, TP y) const {
+            x.Sub(y);
+        }
+    };
+    template <class TR>
+    struct TInc {
+        void operator()(TR& x) const {
+            x.Inc();
+        }
+    };
+    template <class TR>
+    struct TDec {
+        void operator()(TR& x) const {
+            x.Dec();
+        }
+    };
+
+    template <class TP, class TFunc>
+    class TUnaryInplaceStatementExecutor: public IExecutor {
+    private:
+        TFunc Func;
+        TReceiver<TP> Receiver;
+
+        bool DoExecute(TOrbit&, const TParams&) override {
+            Func(Receiver);
+            return true;
+        }
+
+    public:
+        TUnaryInplaceStatementExecutor(TReceiver<TP>& receiver)
+            : Receiver(receiver)
+        {
+        }
+    };
+
+    template <class TP, class TFunc, EOperandType TParam>
+    class TBinaryInplaceStatementExecutor: public IExecutor {
+    private:
+        TFunc Func;
+        TReceiver<TP> Receiver;
+        TOperand<TP, TParam> Param;
+
+        bool DoExecute(TOrbit&, const TParams& params) override {
+            Func(Receiver, Param.Get(params));
+            return true;
+        }
+
+    public:
+        TBinaryInplaceStatementExecutor(TReceiver<TP>& receiver, const TOperand<TP, TParam>& param)
+            : Receiver(receiver)
+            , Param(param)
+        {
+        }
+    };
+
+    template <class TP, class TFunc, EOperandType TFirstParam>
+    class TBinaryStatementExecutor: public IExecutor {
+    private:
+        TFunc Func;
+        TReceiver<TP> Receiver;
+        TOperand<TP, TFirstParam> FirstParam;
+
+        bool DoExecute(TOrbit&, const TParams& params) override {
+            Receiver.Set(Func(Receiver.Get(params), FirstParam.Get(params)));
+            return true;
+        }
+
+    public:
+        TBinaryStatementExecutor(TReceiver<TP>& receiver, const TOperand<TP, TFirstParam>& firstParam)
+            : Receiver(receiver)
+            , FirstParam(firstParam)
+        {
+        }
+    };
+
+    template <class TP, class TFunc>
+    class TTernaryStatementExecutor: public IExecutor {
+    private:
+        TFunc Func;
+        TReceiver<TP> Receiver;
+
+        TAutoPtr<IOperandGetter<TP>> FirstParam;
+        TAutoPtr<IOperandGetter<TP>> SecondParam;
+
+        bool DoExecute(TOrbit&, const TParams& params) override {
+            Receiver.Set(Func(FirstParam->Get(params), SecondParam->Get(params)));
+            return true;
+        }
+
+    public:
+        TTernaryStatementExecutor(const TReceiver<TP>& receiver,
+                                  TAutoPtr<IOperandGetter<TP>> firstParam,
+                                  TAutoPtr<IOperandGetter<TP>> secondParam)
+            : Receiver(receiver)
+            , FirstParam(firstParam)
+            , SecondParam(secondParam)
+        {
+        }
+    };
+
+    template <class TLog>
+    class TLogActionExecutor: public IExecutor {
+    private:
+        bool LogParams;
+        bool LogTimestamp;
+        intptr_t* MaxRecords;
+        TAtomic Records;
+        TProbe* Probe;
+        TLog* Log;
+
+        bool DoExecute(TOrbit&, const TParams& params) override {
+            if (MaxRecords != nullptr) {
+                while (true) {
+                    intptr_t a = AtomicGet(Records);
+                    if (a >= *MaxRecords) {
+                        return true;
+                    }
+                    if (AtomicCas(&Records, a + 1, a)) {
+                        Write(params);
+                        return true;
+                    }
+                }
+            } else {
+                Write(params);
+                return true;
+            }
+        }
+
+        void Write(const TParams& params) {
+            typename TLog::TAccessor la(*Log);
+            if (typename TLog::TItem* item = la.Add()) {
+                item->Probe = Probe;
+                if (LogParams) {
+                    if ((item->SavedParamsCount = Probe->Event.Signature.ParamCount) > 0) {
+                        Probe->Event.Signature.CloneParams(item->Params, params);
+                    }
+                } else {
+                    item->SavedParamsCount = 0;
+                }
+                if (LogTimestamp) {
+                    item->Timestamp = TInstant::Now();
+                }
+                item->TimestampCycles = GetCycleCount();
+            }
+        }
+
+    public:
+        TLogActionExecutor(TProbe* probe, const TLogAction& action, TLog* log)
             : LogParams(!action.GetDoNotLogParams())
-            , LogTimestamp(action.GetLogTimestamp()) 
+            , LogTimestamp(action.GetLogTimestamp())
             , MaxRecords(action.GetMaxRecords() ? new intptr_t(action.GetMaxRecords()) : nullptr)
-            , Records(0) 
-            , Probe(probe) 
-            , Log(log) 
-        { 
-        } 
- 
-        ~TLogActionExecutor() override { 
-            delete MaxRecords; 
-        } 
-    }; 
- 
-    class TSamplingExecutor: public IExecutor { 
-    private: 
-        double SampleRate; 
- 
-    public: 
-        explicit TSamplingExecutor(double sampleRate) 
-            : SampleRate(sampleRate) 
-        {} 
- 
-        bool DoExecute(TOrbit&, const TParams&) override { 
-            return RandomNumber<double>() < SampleRate; 
-        } 
-    }; 
- 
-    typedef struct { 
-        EOperandType Type; 
-        size_t ParamIdx; 
-    } TArgumentDescription; 
-
-    using TArgumentList = TVector<TArgumentDescription>; 
-
-    template <class T> 
-    void ParseArguments(const T& op, const TSignature& signature, const TString& exceptionPrefix, size_t expectedArgumentCount, TArgumentList& arguments) { 
-        arguments.clear(); 
-        size_t firstParamIdx = size_t(-1); 
-        for (size_t argumentIdx = 0; argumentIdx < op.ArgumentSize(); ++argumentIdx) { 
-            const TArgument& arg = op.GetArgument(argumentIdx); 
-            TArgumentDescription operand; 
-            operand.ParamIdx = size_t(-1); 
+            , Records(0)
+            , Probe(probe)
+            , Log(log)
+        {
+        }
+
+        ~TLogActionExecutor() override {
+            delete MaxRecords;
+        }
+    };
+
+    class TSamplingExecutor: public IExecutor {
+    private:
+        double SampleRate;
+
+    public:
+        explicit TSamplingExecutor(double sampleRate)
+            : SampleRate(sampleRate)
+        {}
+
+        bool DoExecute(TOrbit&, const TParams&) override {
+            return RandomNumber<double>() < SampleRate;
+        }
+    };
+
+    typedef struct {
+        EOperandType Type;
+        size_t ParamIdx;
+    } TArgumentDescription;
+
+    using TArgumentList = TVector<TArgumentDescription>;
+
+    template <class T>
+    void ParseArguments(const T& op, const TSignature& signature, const TString& exceptionPrefix, size_t expectedArgumentCount, TArgumentList& arguments) {
+        arguments.clear();
+        size_t firstParamIdx = size_t(-1);
+        for (size_t argumentIdx = 0; argumentIdx < op.ArgumentSize(); ++argumentIdx) {
+            const TArgument& arg = op.GetArgument(argumentIdx);
+            TArgumentDescription operand;
+            operand.ParamIdx = size_t(-1);
             if (arg.GetVariable()) {
-                operand.Type = OT_VARIABLE; 
+                operand.Type = OT_VARIABLE;
             } else if (arg.GetValue()) {
-                operand.Type = OT_LITERAL; 
+                operand.Type = OT_LITERAL;
             } else if (arg.GetParam()) {
-                operand.Type = OT_PARAMETER; 
-                operand.ParamIdx = signature.FindParamIndex(arg.GetParam()); 
-                if (operand.ParamIdx == size_t(-1)) { 
+                operand.Type = OT_PARAMETER;
+                operand.ParamIdx = signature.FindParamIndex(arg.GetParam());
+                if (operand.ParamIdx == size_t(-1)) {
                     ythrow yexception() << exceptionPrefix
-                                        << " argument #" << argumentIdx << " param '" << arg.GetParam() 
-                                        << "' doesn't exist"; 
+                                        << " argument #" << argumentIdx << " param '" << arg.GetParam()
+                                        << "' doesn't exist";
                 }
-                if (firstParamIdx == size_t(-1)) { 
-                    firstParamIdx = operand.ParamIdx; 
-                } else { 
-                    if (strcmp(signature.ParamTypes[firstParamIdx], signature.ParamTypes[operand.ParamIdx]) != 0) { 
-                        ythrow yexception() << exceptionPrefix 
-                                            << " param types do not match"; 
-                    } 
-                } 
-            } else { 
-                ythrow yexception() << exceptionPrefix 
-                                    << " argument #" << argumentIdx 
-                                    << " is empty"; 
+                if (firstParamIdx == size_t(-1)) {
+                    firstParamIdx = operand.ParamIdx;
+                } else {
+                    if (strcmp(signature.ParamTypes[firstParamIdx], signature.ParamTypes[operand.ParamIdx]) != 0) {
+                        ythrow yexception() << exceptionPrefix
+                                            << " param types do not match";
+                    }
+                }
+            } else {
+                ythrow yexception() << exceptionPrefix
+                                    << " argument #" << argumentIdx
+                                    << " is empty";
             }
-            arguments.push_back(operand); 
-        } 
-        if (arguments.size() != expectedArgumentCount) { 
+            arguments.push_back(operand);
+        }
+        if (arguments.size() != expectedArgumentCount) {
             ythrow yexception() << exceptionPrefix
-                                << " incorrect number of arguments (" << arguments.size() 
-                                << " present, " << expectedArgumentCount << " expected)"; 
-        }
-    } 
- 
-    template <class TArg1, class TArg2> 
-    struct TTraceSecondArg { 
-        // implementation of deprecated std::project2nd 
-        TArg1 operator()(const TArg1&, const TArg2& y) const { 
-            return y; 
-        } 
-    }; 
-
-    void TSession::InsertExecutor( 
-        TTraceVariables& traceVariables, size_t bi, const TPredicate* pred, 
-        const NProtoBuf::RepeatedPtrField<TAction>& actions, TProbe* probe, 
-        const bool destructiveActionsAllowed, 
-        const TCustomActionFactory& customActionFactory) { 
-#ifndef LWTRACE_DISABLE 
-        THolder<IExecutor> exec; 
-        IExecutor* last = nullptr; 
-        TArgumentList arguments; 
-        if (pred) { 
-            double sampleRate = pred->GetSampleRate(); 
-            if (sampleRate != 0.0) { 
-                if (!(0.0 < sampleRate && sampleRate <= 1.0)) { 
-                    ythrow yexception() << "probe '" << probe->Event.Name << "' block #" << bi + 1 << " sampling operator" 
-                                        << " invalid sample rate " << sampleRate << ", expected [0;1]"; 
-                } 
-                exec.Reset(new TSamplingExecutor(sampleRate)); 
-                last = exec.Get(); 
-            } 
- 
-            for (size_t i = 0; i < pred->OperatorsSize(); i++) { 
-                const TOperator& op = pred->GetOperators(i); 
-                TString exceptionPrefix; 
-                TStringOutput exceptionPrefixOutput(exceptionPrefix); 
-                exceptionPrefixOutput << "probe '" << probe->Event.Name << "' block #" << bi + 1 << " operator #" << i + 1; 
-                ParseArguments<TOperator>(op, probe->Event.Signature, exceptionPrefix, 2, arguments); 
-                THolder<IExecutor> opExec; 
- 
-                TArgumentDescription arg0 = arguments.at(0); 
-                TArgumentDescription arg1 = arguments.at(1); 
+                                << " incorrect number of arguments (" << arguments.size()
+                                << " present, " << expectedArgumentCount << " expected)";
+        }
+    }
+
+    template <class TArg1, class TArg2>
+    struct TTraceSecondArg {
+        // implementation of deprecated std::project2nd
+        TArg1 operator()(const TArg1&, const TArg2& y) const {
+            return y;
+        }
+    };
+
+    void TSession::InsertExecutor(
+        TTraceVariables& traceVariables, size_t bi, const TPredicate* pred,
+        const NProtoBuf::RepeatedPtrField<TAction>& actions, TProbe* probe,
+        const bool destructiveActionsAllowed,
+        const TCustomActionFactory& customActionFactory) {
+#ifndef LWTRACE_DISABLE
+        THolder<IExecutor> exec;
+        IExecutor* last = nullptr;
+        TArgumentList arguments;
+        if (pred) {
+            double sampleRate = pred->GetSampleRate();
+            if (sampleRate != 0.0) {
+                if (!(0.0 < sampleRate && sampleRate <= 1.0)) {
+                    ythrow yexception() << "probe '" << probe->Event.Name << "' block #" << bi + 1 << " sampling operator"
+                                        << " invalid sample rate " << sampleRate << ", expected [0;1]";
+                }
+                exec.Reset(new TSamplingExecutor(sampleRate));
+                last = exec.Get();
+            }
+
+            for (size_t i = 0; i < pred->OperatorsSize(); i++) {
+                const TOperator& op = pred->GetOperators(i);
+                TString exceptionPrefix;
+                TStringOutput exceptionPrefixOutput(exceptionPrefix);
+                exceptionPrefixOutput << "probe '" << probe->Event.Name << "' block #" << bi + 1 << " operator #" << i + 1;
+                ParseArguments<TOperator>(op, probe->Event.Signature, exceptionPrefix, 2, arguments);
+                THolder<IExecutor> opExec;
+
+                TArgumentDescription arg0 = arguments.at(0);
+                TArgumentDescription arg1 = arguments.at(1);
 
                 const char* tName0 = arg0.ParamIdx == size_t(-1) ? nullptr : probe->Event.Signature.ParamTypes[arg0.ParamIdx];
                 const char* tName1 = arg1.ParamIdx == size_t(-1) ? nullptr : probe->Event.Signature.ParamTypes[arg1.ParamIdx];
 
-                TString var0 = op.GetArgument(0).GetVariable(); 
-                TString var1 = op.GetArgument(1).GetVariable(); 
-
-                TString val0 = op.GetArgument(0).GetValue(); 
-                TString val1 = op.GetArgument(1).GetValue(); 
-
-#define FOREACH_OPERAND_TYPE_RT(n, t, v, fn, lt, rt)                                    \ 
-    if (rt == arg1.Type) {                                                              \ 
-        TOperand<t, rt> rhs(traceVariables, var1, val1, arg1.ParamIdx);                 \ 
-        opExec.Reset(new TOperatorExecutor<t, fn<t>, lt, rt>(lhs, rhs, invertCompare)); \ 
-        break;                                                                          \ 
-    } 
- 
-#define FOREACH_OPERAND_TYPE_LT(n, t, v, fn, lt)                        \ 
-    if (lt == arg0.Type) {                                              \ 
-        TOperand<t, lt> lhs(traceVariables, var0, val0, arg0.ParamIdx); \ 
-        FOREACH_RIGHT_TYPE(FOREACH_OPERAND_TYPE_RT, n, t, v, fn, lt)    \ 
-    } 
-
-#define FOREACH_PARAMTYPE_MACRO(n, t, v, fn)                                                                                  \ 
-    if ((arg0.ParamIdx == size_t(-1) || strcmp(tName0, n) == 0) && (arg1.ParamIdx == size_t(-1) || strcmp(tName1, n) == 0)) { \ 
-        FOREACH_LEFT_TYPE(FOREACH_OPERAND_TYPE_LT, n, t, v, fn);                                                              \ 
-    } 
-
-                bool invertCompare = EqualToOneOf(op.GetType(), OT_NE, OT_GE, OT_LE); 
-
-                switch (op.GetType()) { 
-                    case OT_EQ: 
-                    case OT_NE: 
-                        FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO, std::equal_to); 
-                        break; 
-                    case OT_LT: 
-                    case OT_GE: 
-                        FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO, std::less); 
-                        break; 
-                    case OT_GT: 
-                    case OT_LE: 
-                        FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO, std::greater); 
-                        break; 
-                    default: 
-                        ythrow yexception() << exceptionPrefix 
-                                            << " has not supported operator type #" << int(op.GetType()); 
-                } 
- 
+                TString var0 = op.GetArgument(0).GetVariable();
+                TString var1 = op.GetArgument(1).GetVariable();
+
+                TString val0 = op.GetArgument(0).GetValue();
+                TString val1 = op.GetArgument(1).GetValue();
+
+#define FOREACH_OPERAND_TYPE_RT(n, t, v, fn, lt, rt)                                    \
+    if (rt == arg1.Type) {                                                              \
+        TOperand<t, rt> rhs(traceVariables, var1, val1, arg1.ParamIdx);                 \
+        opExec.Reset(new TOperatorExecutor<t, fn<t>, lt, rt>(lhs, rhs, invertCompare)); \
+        break;                                                                          \
+    }
+
+#define FOREACH_OPERAND_TYPE_LT(n, t, v, fn, lt)                        \
+    if (lt == arg0.Type) {                                              \
+        TOperand<t, lt> lhs(traceVariables, var0, val0, arg0.ParamIdx); \
+        FOREACH_RIGHT_TYPE(FOREACH_OPERAND_TYPE_RT, n, t, v, fn, lt)    \
+    }
+
+#define FOREACH_PARAMTYPE_MACRO(n, t, v, fn)                                                                                  \
+    if ((arg0.ParamIdx == size_t(-1) || strcmp(tName0, n) == 0) && (arg1.ParamIdx == size_t(-1) || strcmp(tName1, n) == 0)) { \
+        FOREACH_LEFT_TYPE(FOREACH_OPERAND_TYPE_LT, n, t, v, fn);                                                              \
+    }
+
+                bool invertCompare = EqualToOneOf(op.GetType(), OT_NE, OT_GE, OT_LE);
+
+                switch (op.GetType()) {
+                    case OT_EQ:
+                    case OT_NE:
+                        FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO, std::equal_to);
+                        break;
+                    case OT_LT:
+                    case OT_GE:
+                        FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO, std::less);
+                        break;
+                    case OT_GT:
+                    case OT_LE:
+                        FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO, std::greater);
+                        break;
+                    default:
+                        ythrow yexception() << exceptionPrefix
+                                            << " has not supported operator type #" << int(op.GetType());
+                }
+
 #undef FOREACH_OPERAND_TYPE_RT
 #undef FOREACH_OPERAND_TYPE_LT
-#undef FOREACH_PARAMTYPE_MACRO 
- 
-                if (!opExec) { 
-                    ythrow yexception() << exceptionPrefix 
-                                        << " has not supported left param #" << arg0.ParamIdx + 1 << " type '" 
-                                        << (arg0.ParamIdx != size_t(-1) ? probe->Event.Signature.ParamTypes[arg0.ParamIdx] : "?") 
-                                        << "', or right param #" << arg0.ParamIdx + 1 << " type '" 
-                                        << (arg1.ParamIdx != size_t(-1) ? probe->Event.Signature.ParamTypes[arg1.ParamIdx] : "?") 
-                                        << "'"; 
-                } 
- 
-                if (!exec) { 
-                    exec.Reset(opExec.Release()); 
-                    last = exec.Get(); 
-                } else { 
-                    last->SetNext(opExec.Release()); 
-                    last = last->GetNext(); 
-                } 
-            } 
-        } 
- 
-        for (int i = 0; i < actions.size(); ++i) { 
-            const TAction& action = actions.Get(i); 
-            THolder<IExecutor> actExec; 
-            if (action.HasPrintToStderrAction()) { 
-                actExec.Reset(new TStderrActionExecutor(probe)); 
-            } else if (action.HasLogAction()) { 
-                if (Query.GetLogDurationUs()) { 
-                    actExec.Reset(new TLogActionExecutor<TDurationLog>(probe, action.GetLogAction(), &DurationLog)); 
-                } else { 
-                    actExec.Reset(new TLogActionExecutor<TCyclicLog>(probe, action.GetLogAction(), &CyclicLog)); 
-                } 
-            } else if (action.HasRunLogShuttleAction()) { 
-                if (Query.GetLogDurationUs()) { 
+#undef FOREACH_PARAMTYPE_MACRO
+
+                if (!opExec) {
+                    ythrow yexception() << exceptionPrefix
+                                        << " has not supported left param #" << arg0.ParamIdx + 1 << " type '"
+                                        << (arg0.ParamIdx != size_t(-1) ? probe->Event.Signature.ParamTypes[arg0.ParamIdx] : "?")
+                                        << "', or right param #" << arg0.ParamIdx + 1 << " type '"
+                                        << (arg1.ParamIdx != size_t(-1) ? probe->Event.Signature.ParamTypes[arg1.ParamIdx] : "?")
+                                        << "'";
+                }
+
+                if (!exec) {
+                    exec.Reset(opExec.Release());
+                    last = exec.Get();
+                } else {
+                    last->SetNext(opExec.Release());
+                    last = last->GetNext();
+                }
+            }
+        }
+
+        for (int i = 0; i < actions.size(); ++i) {
+            const TAction& action = actions.Get(i);
+            THolder<IExecutor> actExec;
+            if (action.HasPrintToStderrAction()) {
+                actExec.Reset(new TStderrActionExecutor(probe));
+            } else if (action.HasLogAction()) {
+                if (Query.GetLogDurationUs()) {
+                    actExec.Reset(new TLogActionExecutor<TDurationLog>(probe, action.GetLogAction(), &DurationLog));
+                } else {
+                    actExec.Reset(new TLogActionExecutor<TCyclicLog>(probe, action.GetLogAction(), &CyclicLog));
+                }
+            } else if (action.HasRunLogShuttleAction()) {
+                if (Query.GetLogDurationUs()) {
                     actExec.Reset(new TRunLogShuttleActionExecutor<TDurationDepot>(TraceIdx, action.GetRunLogShuttleAction(), &DurationDepot, &LastTrackId, &LastSpanId));
-                } else { 
+                } else {
                     actExec.Reset(new TRunLogShuttleActionExecutor<TCyclicDepot>(TraceIdx, action.GetRunLogShuttleAction(), &CyclicDepot, &LastTrackId, &LastSpanId));
-                } 
-            } else if (action.HasEditLogShuttleAction()) { 
-                if (Query.GetLogDurationUs()) { 
-                    actExec.Reset(new TEditLogShuttleActionExecutor<TDurationDepot>(TraceIdx, action.GetEditLogShuttleAction())); 
-                } else { 
-                    actExec.Reset(new TEditLogShuttleActionExecutor<TCyclicDepot>(TraceIdx, action.GetEditLogShuttleAction())); 
-                } 
-            } else if (action.HasDropLogShuttleAction()) { 
-                if (Query.GetLogDurationUs()) { 
-                    actExec.Reset(new TDropLogShuttleActionExecutor<TDurationDepot>(TraceIdx, action.GetDropLogShuttleAction())); 
-                } else { 
-                    actExec.Reset(new TDropLogShuttleActionExecutor<TCyclicDepot>(TraceIdx, action.GetDropLogShuttleAction())); 
-                } 
-            } else if (action.HasCustomAction()) { 
-                THolder<TCustomActionExecutor> customExec(customActionFactory.Create(probe, action.GetCustomAction(), this)); 
-                if (customExec) { 
-                    if (!customExec->IsDestructive() || destructiveActionsAllowed) { 
-                        actExec.Reset(customExec.Release()); 
-                    } else { 
-                        ythrow yexception() << "probe '" << probe->Event.Name << "block #" << bi + 1 << " action #" << i + 1 
-                                            << " contains destructive CustomAction, but destructive actions are disabled." 
-                                            << " Please, consider using --unsafe-lwtrace command line parameter."; 
-                    } 
-                } else { 
-                    ythrow yexception() << "probe '" << probe->Event.Name << "block #" << bi + 1 << " action #" << i + 1 
-                                        << " contains unregistered CustomAction '" << action.GetCustomAction().GetName() << "'"; 
-                } 
-            } else if (action.HasKillAction()) { 
-                if (destructiveActionsAllowed) { 
-                    actExec.Reset(new NPrivate::TKillActionExecutor(probe)); 
-                } else { 
-                    ythrow yexception() << "probe '" << probe->Event.Name << "block #" << bi + 1 << " action #" << i + 1 
-                                        << " contains destructive KillAction, but destructive actions are disabled." 
-                                        << " Please, consider using --unsafe-lwtrace command line parameter."; 
-                } 
-            } else if (action.HasSleepAction()) { 
-                if (destructiveActionsAllowed) { 
-                    const TSleepAction& sleepAction = action.GetSleepAction(); 
+                }
+            } else if (action.HasEditLogShuttleAction()) {
+                if (Query.GetLogDurationUs()) {
+                    actExec.Reset(new TEditLogShuttleActionExecutor<TDurationDepot>(TraceIdx, action.GetEditLogShuttleAction()));
+                } else {
+                    actExec.Reset(new TEditLogShuttleActionExecutor<TCyclicDepot>(TraceIdx, action.GetEditLogShuttleAction()));
+                }
+            } else if (action.HasDropLogShuttleAction()) {
+                if (Query.GetLogDurationUs()) {
+                    actExec.Reset(new TDropLogShuttleActionExecutor<TDurationDepot>(TraceIdx, action.GetDropLogShuttleAction()));
+                } else {
+                    actExec.Reset(new TDropLogShuttleActionExecutor<TCyclicDepot>(TraceIdx, action.GetDropLogShuttleAction()));
+                }
+            } else if (action.HasCustomAction()) {
+                THolder<TCustomActionExecutor> customExec(customActionFactory.Create(probe, action.GetCustomAction(), this));
+                if (customExec) {
+                    if (!customExec->IsDestructive() || destructiveActionsAllowed) {
+                        actExec.Reset(customExec.Release());
+                    } else {
+                        ythrow yexception() << "probe '" << probe->Event.Name << "block #" << bi + 1 << " action #" << i + 1
+                                            << " contains destructive CustomAction, but destructive actions are disabled."
+                                            << " Please, consider using --unsafe-lwtrace command line parameter.";
+                    }
+                } else {
+                    ythrow yexception() << "probe '" << probe->Event.Name << "block #" << bi + 1 << " action #" << i + 1
+                                        << " contains unregistered CustomAction '" << action.GetCustomAction().GetName() << "'";
+                }
+            } else if (action.HasKillAction()) {
+                if (destructiveActionsAllowed) {
+                    actExec.Reset(new NPrivate::TKillActionExecutor(probe));
+                } else {
+                    ythrow yexception() << "probe '" << probe->Event.Name << "block #" << bi + 1 << " action #" << i + 1
+                                        << " contains destructive KillAction, but destructive actions are disabled."
+                                        << " Please, consider using --unsafe-lwtrace command line parameter.";
+                }
+            } else if (action.HasSleepAction()) {
+                if (destructiveActionsAllowed) {
+                    const TSleepAction& sleepAction = action.GetSleepAction();
                     if (sleepAction.GetNanoSeconds()) {
-                        ui64 nanoSeconds = sleepAction.GetNanoSeconds(); 
-                        actExec.Reset(new NPrivate::TSleepActionExecutor(probe, nanoSeconds)); 
-                    } else { 
-                        ythrow yexception() << "probe '" << probe->Event.Name << "block #" << bi + 1 << " action #" << i + 1 
-                                            << " SleepAction missing parameter 'NanoSeconds'"; 
-                    } 
-                } else { 
+                        ui64 nanoSeconds = sleepAction.GetNanoSeconds();
+                        actExec.Reset(new NPrivate::TSleepActionExecutor(probe, nanoSeconds));
+                    } else {
+                        ythrow yexception() << "probe '" << probe->Event.Name << "block #" << bi + 1 << " action #" << i + 1
+                                            << " SleepAction missing parameter 'NanoSeconds'";
+                    }
+                } else {
                     ythrow yexception() << "probe '" << probe->Event.Name << "block #" << bi + 1 << " action #" << i + 1
-                                        << " contains destructive SleepAction, but destructive actions are disabled." 
-                                        << " Please, consider using --unsafe-lwtrace command line parameter."; 
+                                        << " contains destructive SleepAction, but destructive actions are disabled."
+                                        << " Please, consider using --unsafe-lwtrace command line parameter.";
                 }
-            } else if (action.HasStatementAction()) { 
-                const TStatementAction& statement = action.GetStatementAction(); 
-                TString exceptionPrefix; 
-                TStringOutput exceptionPrefixOutput(exceptionPrefix); 
-                exceptionPrefixOutput << "probe '" << probe->Event.Name << "' block #" << bi + 1 << " action #" << i + 1; 
-                size_t expectedArgumentCount = 3; 
-                if (statement.GetType() == ST_MOV || statement.GetType() == ST_ADD_EQ || statement.GetType() == ST_SUB_EQ) { 
-                    expectedArgumentCount = 2; 
-                } else if (statement.GetType() == ST_INC || statement.GetType() == ST_DEC) { 
-                    expectedArgumentCount = 1; 
-                } 
-                ParseArguments<TStatementAction>(statement, probe->Event.Signature, exceptionPrefix, expectedArgumentCount, arguments); 
-
-                TArgumentDescription arg0 = (expectedArgumentCount <= 0) ? TArgumentDescription() : arguments.at(0); 
-                TArgumentDescription arg1 = (expectedArgumentCount <= 1) ? TArgumentDescription() : arguments.at(1); 
-                TArgumentDescription arg2 = (expectedArgumentCount <= 2) ? TArgumentDescription() : arguments.at(2); 
-
-                TString var0 = (expectedArgumentCount <= 0) ? "" : statement.GetArgument(0).GetVariable(); 
-                TString var1 = (expectedArgumentCount <= 1) ? "" : statement.GetArgument(1).GetVariable(); 
-                TString var2 = (expectedArgumentCount <= 2) ? "" : statement.GetArgument(2).GetVariable(); 
-
-                TString val0 = (expectedArgumentCount <= 0) ? "" : statement.GetArgument(0).GetValue(); 
-                TString val1 = (expectedArgumentCount <= 1) ? "" : statement.GetArgument(1).GetValue(); 
-                TString val2 = (expectedArgumentCount <= 2) ? "" : statement.GetArgument(2).GetValue(); 
+            } else if (action.HasStatementAction()) {
+                const TStatementAction& statement = action.GetStatementAction();
+                TString exceptionPrefix;
+                TStringOutput exceptionPrefixOutput(exceptionPrefix);
+                exceptionPrefixOutput << "probe '" << probe->Event.Name << "' block #" << bi + 1 << " action #" << i + 1;
+                size_t expectedArgumentCount = 3;
+                if (statement.GetType() == ST_MOV || statement.GetType() == ST_ADD_EQ || statement.GetType() == ST_SUB_EQ) {
+                    expectedArgumentCount = 2;
+                } else if (statement.GetType() == ST_INC || statement.GetType() == ST_DEC) {
+                    expectedArgumentCount = 1;
+                }
+                ParseArguments<TStatementAction>(statement, probe->Event.Signature, exceptionPrefix, expectedArgumentCount, arguments);
+
+                TArgumentDescription arg0 = (expectedArgumentCount <= 0) ? TArgumentDescription() : arguments.at(0);
+                TArgumentDescription arg1 = (expectedArgumentCount <= 1) ? TArgumentDescription() : arguments.at(1);
+                TArgumentDescription arg2 = (expectedArgumentCount <= 2) ? TArgumentDescription() : arguments.at(2);
+
+                TString var0 = (expectedArgumentCount <= 0) ? "" : statement.GetArgument(0).GetVariable();
+                TString var1 = (expectedArgumentCount <= 1) ? "" : statement.GetArgument(1).GetVariable();
+                TString var2 = (expectedArgumentCount <= 2) ? "" : statement.GetArgument(2).GetVariable();
+
+                TString val0 = (expectedArgumentCount <= 0) ? "" : statement.GetArgument(0).GetValue();
+                TString val1 = (expectedArgumentCount <= 1) ? "" : statement.GetArgument(1).GetValue();
+                TString val2 = (expectedArgumentCount <= 2) ? "" : statement.GetArgument(2).GetValue();
 
                 const char* tName1 = (expectedArgumentCount <= 1 || arg1.ParamIdx == size_t(-1))
                     ? nullptr : probe->Event.Signature.ParamTypes[arg1.ParamIdx];
                 const char* tName2 = (expectedArgumentCount <= 2 || arg2.ParamIdx == size_t(-1))
                     ? nullptr : probe->Event.Signature.ParamTypes[arg2.ParamIdx];
 
-                if (arg0.Type == OT_VARIABLE) { 
-                    switch (statement.GetType()) { 
-#define PARSE_UNARY_INPLACE_STATEMENT_MACRO(n, t, v, fn)                   \ 
-    {                                                                      \ 
-        typedef TUnaryInplaceStatementExecutor<t, fn<TReceiver<t>>> TExec; \ 
-        TReceiver<t> receiver(traceVariables, var0);                       \ 
-        actExec.Reset(new TExec(receiver));                                \ 
-        break;                                                             \ 
-    } 
-
-#define PARSE_BINARY_INPLACE_STATEMENT_MACRO2(n, t, v, fn, ft)                     \ 
-    if (arg1.Type == ft) {                                                         \ 
-        typedef TBinaryInplaceStatementExecutor<t, fn<TReceiver<t>, t>, ft> TExec; \ 
-        TOperand<t, ft> firstParam(traceVariables, var1, val1, arg1.ParamIdx);     \ 
-        actExec.Reset(new TExec(receiver, firstParam));                            \ 
-        break;                                                                     \ 
-    } 
-
-#define PARSE_BINARY_INPLACE_STATEMENT_MACRO(n, t, v, fn)                       \ 
-    if (arg1.ParamIdx == size_t(-1) || strcmp(tName1, n) == 0) {                \ 
-        TReceiver<t> receiver(traceVariables, var0);                            \ 
-        FOREACH_RIGHT_TYPE(PARSE_BINARY_INPLACE_STATEMENT_MACRO2, n, t, v, fn); \ 
-    } 
-
-#define PARSE_BINARY_STATEMENT_MACRO2(n, t, v, fn, ft)                         \ 
-    if (arg1.Type == ft) {                                                     \ 
-        typedef TBinaryStatementExecutor<t, fn<t, t>, ft> TExec;               \ 
-        TOperand<t, ft> firstParam(traceVariables, var1, val1, arg1.ParamIdx); \ 
-        actExec.Reset(new TExec(receiver, firstParam));                        \ 
-        break;                                                                 \ 
-    } 
-
-#define PARSE_BINARY_STATEMENT_MACRO(n, t, v, fn)                       \ 
-    if (arg1.ParamIdx == size_t(-1) || strcmp(tName1, n) == 0) {        \ 
-        TReceiver<t> receiver(traceVariables, var0);                    \ 
-        FOREACH_RIGHT_TYPE(PARSE_BINARY_STATEMENT_MACRO2, n, t, v, fn); \ 
-    } 
-
-#define CREATE_OPERAND_GETTER_N(N, type, arg_type)                                                                                       \ 
-    if (arg##N.Type == arg_type) {                                                                                                       \ 
+                if (arg0.Type == OT_VARIABLE) {
+                    switch (statement.GetType()) {
+#define PARSE_UNARY_INPLACE_STATEMENT_MACRO(n, t, v, fn)                   \
+    {                                                                      \
+        typedef TUnaryInplaceStatementExecutor<t, fn<TReceiver<t>>> TExec; \
+        TReceiver<t> receiver(traceVariables, var0);                       \
+        actExec.Reset(new TExec(receiver));                                \
+        break;                                                             \
+    }
+
+#define PARSE_BINARY_INPLACE_STATEMENT_MACRO2(n, t, v, fn, ft)                     \
+    if (arg1.Type == ft) {                                                         \
+        typedef TBinaryInplaceStatementExecutor<t, fn<TReceiver<t>, t>, ft> TExec; \
+        TOperand<t, ft> firstParam(traceVariables, var1, val1, arg1.ParamIdx);     \
+        actExec.Reset(new TExec(receiver, firstParam));                            \
+        break;                                                                     \
+    }
+
+#define PARSE_BINARY_INPLACE_STATEMENT_MACRO(n, t, v, fn)                       \
+    if (arg1.ParamIdx == size_t(-1) || strcmp(tName1, n) == 0) {                \
+        TReceiver<t> receiver(traceVariables, var0);                            \
+        FOREACH_RIGHT_TYPE(PARSE_BINARY_INPLACE_STATEMENT_MACRO2, n, t, v, fn); \
+    }
+
+#define PARSE_BINARY_STATEMENT_MACRO2(n, t, v, fn, ft)                         \
+    if (arg1.Type == ft) {                                                     \
+        typedef TBinaryStatementExecutor<t, fn<t, t>, ft> TExec;               \
+        TOperand<t, ft> firstParam(traceVariables, var1, val1, arg1.ParamIdx); \
+        actExec.Reset(new TExec(receiver, firstParam));                        \
+        break;                                                                 \
+    }
+
+#define PARSE_BINARY_STATEMENT_MACRO(n, t, v, fn)                       \
+    if (arg1.ParamIdx == size_t(-1) || strcmp(tName1, n) == 0) {        \
+        TReceiver<t> receiver(traceVariables, var0);                    \
+        FOREACH_RIGHT_TYPE(PARSE_BINARY_STATEMENT_MACRO2, n, t, v, fn); \
+    }
+
+#define CREATE_OPERAND_GETTER_N(N, type, arg_type)                                                                                       \
+    if (arg##N.Type == arg_type) {                                                                                                       \
         operand##N.Reset(new TOperandGetter<type, arg_type>(TOperand<type, arg_type>(traceVariables, var##N, val##N, arg##N.ParamIdx))); \
     }
 
-#define TERNARY_ON_TYPE(n, t, v, fn)                                                                                          \ 
+#define TERNARY_ON_TYPE(n, t, v, fn)                                                                                          \
     if ((arg1.ParamIdx == size_t(-1) || strcmp(tName1, n) == 0) && (arg2.ParamIdx == size_t(-1) || strcmp(tName2, n) == 0)) { \
-        TAutoPtr<IOperandGetter<t>> operand1, operand2;                                                                       \ 
-        FOREACH_LEFT_TYPE(CREATE_OPERAND_GETTER_N, 1, t);                                                                     \ 
-        FOREACH_RIGHT_TYPE(CREATE_OPERAND_GETTER_N, 2, t);                                                                    \ 
-        if (operand1 && operand2) {                                                                                           \ 
-            actExec.Reset(new TTernaryStatementExecutor<t, fn<t>>(                                                            \ 
-                TReceiver<t>(traceVariables, var0),                                                                           \ 
-                operand1,                                                                                                     \ 
-                operand2));                                                                                                   \ 
-        }                                                                                                                     \ 
-        break;                                                                                                                \ 
+        TAutoPtr<IOperandGetter<t>> operand1, operand2;                                                                       \
+        FOREACH_LEFT_TYPE(CREATE_OPERAND_GETTER_N, 1, t);                                                                     \
+        FOREACH_RIGHT_TYPE(CREATE_OPERAND_GETTER_N, 2, t);                                                                    \
+        if (operand1 && operand2) {                                                                                           \
+            actExec.Reset(new TTernaryStatementExecutor<t, fn<t>>(                                                            \
+                TReceiver<t>(traceVariables, var0),                                                                           \
+                operand1,                                                                                                     \
+                operand2));                                                                                                   \
+        }                                                                                                                     \
+        break;                                                                                                                \
     }
 
 #define IMPLEMENT_TERNARY_STATEMENT(fn) FOR_MATH_PARAMTYPE(TERNARY_ON_TYPE, fn)
 
-                        case ST_INC: 
-                            FOR_MATH_PARAMTYPE(PARSE_UNARY_INPLACE_STATEMENT_MACRO, TInc); 
-                            break; 
-                        case ST_DEC: 
-                            FOR_MATH_PARAMTYPE(PARSE_UNARY_INPLACE_STATEMENT_MACRO, TDec); 
-                            break; 
-                        case ST_MOV: 
-                            FOR_MATH_PARAMTYPE(PARSE_BINARY_STATEMENT_MACRO, TTraceSecondArg); 
-                            break; 
-                        case ST_ADD_EQ: 
-                            FOR_MATH_PARAMTYPE(PARSE_BINARY_INPLACE_STATEMENT_MACRO, TAddEq); 
-                            break; 
-                        case ST_SUB_EQ: 
-                            FOR_MATH_PARAMTYPE(PARSE_BINARY_INPLACE_STATEMENT_MACRO, TSubEq); 
-                            break; 
-                        case ST_ADD: 
-                            IMPLEMENT_TERNARY_STATEMENT(std::plus) 
-                            break; 
-                        case ST_SUB: 
-                            IMPLEMENT_TERNARY_STATEMENT(std::minus) 
-                            break; 
-                        case ST_MUL: 
-                            IMPLEMENT_TERNARY_STATEMENT(std::multiplies) 
-                            break; 
-                        case ST_DIV: 
-                            IMPLEMENT_TERNARY_STATEMENT(std::divides) 
-                            break; 
-                        case ST_MOD: 
-                            IMPLEMENT_TERNARY_STATEMENT(std::modulus) 
-                            break; 
-                        default: 
-                            ythrow yexception() << "block #" << bi + 1 << " action #" << i + 1 
-                                                << " has not supported statement type #" << int(statement.GetType()); 
-                    } 
+                        case ST_INC:
+                            FOR_MATH_PARAMTYPE(PARSE_UNARY_INPLACE_STATEMENT_MACRO, TInc);
+                            break;
+                        case ST_DEC:
+                            FOR_MATH_PARAMTYPE(PARSE_UNARY_INPLACE_STATEMENT_MACRO, TDec);
+                            break;
+                        case ST_MOV:
+                            FOR_MATH_PARAMTYPE(PARSE_BINARY_STATEMENT_MACRO, TTraceSecondArg);
+                            break;
+                        case ST_ADD_EQ:
+                            FOR_MATH_PARAMTYPE(PARSE_BINARY_INPLACE_STATEMENT_MACRO, TAddEq);
+                            break;
+                        case ST_SUB_EQ:
+                            FOR_MATH_PARAMTYPE(PARSE_BINARY_INPLACE_STATEMENT_MACRO, TSubEq);
+                            break;
+                        case ST_ADD:
+                            IMPLEMENT_TERNARY_STATEMENT(std::plus)
+                            break;
+                        case ST_SUB:
+                            IMPLEMENT_TERNARY_STATEMENT(std::minus)
+                            break;
+                        case ST_MUL:
+                            IMPLEMENT_TERNARY_STATEMENT(std::multiplies)
+                            break;
+                        case ST_DIV:
+                            IMPLEMENT_TERNARY_STATEMENT(std::divides)
+                            break;
+                        case ST_MOD:
+                            IMPLEMENT_TERNARY_STATEMENT(std::modulus)
+                            break;
+                        default:
+                            ythrow yexception() << "block #" << bi + 1 << " action #" << i + 1
+                                                << " has not supported statement type #" << int(statement.GetType());
+                    }
                 }
-                if (!actExec) { 
+                if (!actExec) {
                     ythrow yexception() << "block #" << bi + 1 << " action #" << i + 1
                                         << " can't create action";
-                } 
+                }
 #undef CREATE_OPERAND_GETTER_N
 #undef TERNARY_ON_TYPE
 #undef IMPLEMENT_TERNARY_STATEMENT
@@ -819,233 +819,233 @@ namespace NLWTrace {
 #undef PARSE_BINARY_STATEMENT_MACRO
 #undef PARSE_BINARY_INPLACE_STATEMENT_MACRO
 #undef PARSE_UNARY_INPLACE_STATEMENT_MACRO
-            } else { 
-                ythrow yexception() << "block #" << bi + 1 << " action #" << i + 1 
-                                    << " has not supported action '" << action.ShortDebugString() << "'"; 
-            } 
-            if (!exec) { 
-                exec.Reset(actExec.Release()); 
-                last = exec.Get(); 
-            } else { 
-                last->SetNext(actExec.Release()); 
-                last = last->GetNext(); 
-            } 
-        } 
- 
-        if (!probe->Attach(exec.Get())) { 
-            ythrow yexception() << "block #" << bi + 1 
-                                << " cannot be attached to probe '" << probe->Event.Name << "': no free slots"; 
-        }
-        Probes.push_back(std::make_pair(probe, exec.Release())); 
-#else 
-        Y_UNUSED(bi); 
-        Y_UNUSED(pred); 
-        Y_UNUSED(actions); 
-        Y_UNUSED(probe); 
-        Y_UNUSED(destructiveActionsAllowed); 
-        Y_UNUSED(traceVariables); 
-        Y_UNUSED(customActionFactory); 
-#endif 
-    } 
- 
-    TSession::TSession(ui64 traceIdx, 
-                   TProbeRegistry& registry, 
-                   const TQuery& query, 
-                   const bool destructiveActionsAllowed, 
-                   const TCustomActionFactory& customActionFactory) 
-        : StartTime(TInstant::Now()) 
-        , TraceIdx(traceIdx) 
-        , Registry(registry) 
-        , StoreDuration(TDuration::MicroSeconds(query.GetLogDurationUs() * 11 / 10)) // +10% to try avoid truncation while reading multiple threads/traces 
-        , ReadDuration(TDuration::MicroSeconds(query.GetLogDurationUs())) 
+            } else {
+                ythrow yexception() << "block #" << bi + 1 << " action #" << i + 1
+                                    << " has not supported action '" << action.ShortDebugString() << "'";
+            }
+            if (!exec) {
+                exec.Reset(actExec.Release());
+                last = exec.Get();
+            } else {
+                last->SetNext(actExec.Release());
+                last = last->GetNext();
+            }
+        }
+
+        if (!probe->Attach(exec.Get())) {
+            ythrow yexception() << "block #" << bi + 1
+                                << " cannot be attached to probe '" << probe->Event.Name << "': no free slots";
+        }
+        Probes.push_back(std::make_pair(probe, exec.Release()));
+#else
+        Y_UNUSED(bi);
+        Y_UNUSED(pred);
+        Y_UNUSED(actions);
+        Y_UNUSED(probe);
+        Y_UNUSED(destructiveActionsAllowed);
+        Y_UNUSED(traceVariables);
+        Y_UNUSED(customActionFactory);
+#endif
+    }
+
+    TSession::TSession(ui64 traceIdx,
+                   TProbeRegistry& registry,
+                   const TQuery& query,
+                   const bool destructiveActionsAllowed,
+                   const TCustomActionFactory& customActionFactory)
+        : StartTime(TInstant::Now())
+        , TraceIdx(traceIdx)
+        , Registry(registry)
+        , StoreDuration(TDuration::MicroSeconds(query.GetLogDurationUs() * 11 / 10)) // +10% to try avoid truncation while reading multiple threads/traces
+        , ReadDuration(TDuration::MicroSeconds(query.GetLogDurationUs()))
         , CyclicLog(query.GetPerThreadLogSize() ? query.GetPerThreadLogSize() : 1000)
-        , DurationLog(StoreDuration) 
+        , DurationLog(StoreDuration)
         , CyclicDepot(query.GetPerThreadLogSize() ? query.GetPerThreadLogSize() : 1000)
-        , DurationDepot(StoreDuration) 
-        , LastTrackId(0) 
+        , DurationDepot(StoreDuration)
+        , LastTrackId(0)
         , LastSpanId(0)
-        , Attached(true) 
-        , Query(query) 
-    { 
-        try { 
-            for (size_t bi = 0; bi < query.BlocksSize(); bi++) { 
-                const TBlock& block = query.GetBlocks(bi); 
-                if (!block.HasProbeDesc()) { 
-                    ythrow yexception() << "block #" << bi + 1 << " has no probe description"; 
-                } 
-                const TProbeDesc& pdesc = block.GetProbeDesc(); 
-                const TPredicate* pred = block.HasPredicate() ? &block.GetPredicate() : nullptr; 
-                if (block.ActionSize() < 1) { 
-                    ythrow yexception() << "block #" << bi + 1 << " has no action"; 
-                } 
-                const NProtoBuf::RepeatedPtrField<TAction>& actions = block.action(); 
+        , Attached(true)
+        , Query(query)
+    {
+        try {
+            for (size_t bi = 0; bi < query.BlocksSize(); bi++) {
+                const TBlock& block = query.GetBlocks(bi);
+                if (!block.HasProbeDesc()) {
+                    ythrow yexception() << "block #" << bi + 1 << " has no probe description";
+                }
+                const TProbeDesc& pdesc = block.GetProbeDesc();
+                const TPredicate* pred = block.HasPredicate() ? &block.GetPredicate() : nullptr;
+                if (block.ActionSize() < 1) {
+                    ythrow yexception() << "block #" << bi + 1 << " has no action";
+                }
+                const NProtoBuf::RepeatedPtrField<TAction>& actions = block.action();
                 if (pdesc.GetName() && pdesc.GetProvider()) {
-                    TProbeRegistry::TProbesAccessor probes(Registry); 
-                    bool found = false; 
-                    for (auto& kv : probes) { 
-                        TProbe* probe = kv.first; 
-                        if (probe->Event.Name == pdesc.GetName() && probe->Event.GetProvider() == pdesc.GetProvider()) { 
-                            InsertExecutor(TraceVariables, bi, pred, actions, probe, destructiveActionsAllowed, customActionFactory); 
-                            found = true; 
-                            break; 
-                        } 
-                    } 
-                    if (!found) { 
-                        ythrow yexception() << "block #" << bi + 1 << " has no matching probe with name '" 
-                                            << pdesc.GetName() << "' provider '" << pdesc.GetProvider() << "'"; 
-                    } 
+                    TProbeRegistry::TProbesAccessor probes(Registry);
+                    bool found = false;
+                    for (auto& kv : probes) {
+                        TProbe* probe = kv.first;
+                        if (probe->Event.Name == pdesc.GetName() && probe->Event.GetProvider() == pdesc.GetProvider()) {
+                            InsertExecutor(TraceVariables, bi, pred, actions, probe, destructiveActionsAllowed, customActionFactory);
+                            found = true;
+                            break;
+                        }
+                    }
+                    if (!found) {
+                        ythrow yexception() << "block #" << bi + 1 << " has no matching probe with name '"
+                                            << pdesc.GetName() << "' provider '" << pdesc.GetProvider() << "'";
+                    }
                 } else if (pdesc.GetGroup()) {
-                    bool found = false; 
-                    TProbeRegistry::TProbesAccessor probes(Registry); 
-                    for (auto& kv : probes) { 
-                        TProbe* probe = kv.first; 
-                        for (const char* const* gi = probe->Event.Groups; *gi != nullptr; gi++) { 
-                            if (*gi == pdesc.GetGroup()) { 
-                                InsertExecutor(TraceVariables, bi, pred, actions, probe, destructiveActionsAllowed, customActionFactory); 
-                                found = true; 
-                                break; 
-                            } 
-                        } 
-                    } 
-                    if (!found) { 
-                        ythrow yexception() << "block #" << bi + 1 
-                                            << " has no matching probes for group '" << pdesc.GetGroup() << "'"; 
-                    } 
-                } else { 
-                    ythrow yexception() << "block #" << bi + 1 << " has bad probe description: name '" << pdesc.GetName() 
-                                        << "' provider '" << pdesc.GetProvider() 
-                                        << "' group '" << pdesc.GetGroup() << "'"; 
-                } 
-            } 
-        } catch (...) { 
-            Destroy(); 
-            throw; 
-        } 
-    } 
- 
-    void TSession::Destroy() { 
-        Detach(); 
-        for (auto& probe : Probes) { 
-            delete probe.second; 
-        } 
-    } 
- 
-    TSession::~TSession() { 
-        Destroy(); 
-    } 
- 
-    void TSession::Detach() { 
-        if (Attached) { 
-            for (auto& p : Probes) { 
-                TProbe* probe = p.first; 
-                IExecutor* exec = p.second; 
-                probe->Detach(exec); 
-            } 
-            Attached = false; 
-        } 
-    } 
- 
-    size_t TSession::GetEventsCount() const { 
-        return CyclicLog.GetEventsCount() + DurationLog.GetEventsCount() + CyclicDepot.GetEventsCount() + DurationDepot.GetEventsCount(); 
-    } 
- 
-    size_t TSession::GetThreadsCount() const { 
-        return CyclicLog.GetThreadsCount() + DurationLog.GetThreadsCount() + CyclicDepot.GetThreadsCount() + DurationDepot.GetThreadsCount(); 
-    } 
- 
-    class TReadToProtobuf { 
-    private: 
-        TMap<TThread::TId, TVector<TLogItem>> Items; 
- 
-    public: 
-        void ToProtobuf(TLogPb& pb) const { 
-            TSet<TProbe*> probes; 
-            ui64 eventsCount = 0; 
-            for (auto kv : Items) { 
-                TThreadLogPb* tpb = pb.AddThreadLogs(); 
-                tpb->SetThreadId(kv.first); 
-                for (TLogItem& item : kv.second) { 
-                    item.ToProtobuf(*tpb->AddLogItems()); 
-                    probes.insert(item.Probe); 
-                    eventsCount++; 
-                } 
-            } 
-            pb.SetEventsCount(eventsCount); 
-            for (TProbe* probe : probes) { 
-                probe->Event.ToProtobuf(*pb.AddEvents()); 
-            } 
-        } 
- 
-        void Push(TThread::TId tid, const TLogItem& item) { 
-            // Avoid any expansive operations in Push(), because it executes under lock and blocks program being traced 
-            Items[tid].push_back(item); 
-        } 
-    }; 
- 
-    void TSession::ToProtobuf(TLogPb& pb) const { 
-        TReadToProtobuf reader; 
-        ReadItems(reader); 
-        reader.ToProtobuf(pb); 
-        pb.MutableQuery()->CopyFrom(Query); 
-        pb.SetCrtTime(TInstant::Now().GetValue()); 
-    } 
- 
-    TManager::TManager(TProbeRegistry& registry, bool allowDestructiveActions) 
-        : Registry(registry) 
-        , DestructiveActionsAllowed(allowDestructiveActions) 
+                    bool found = false;
+                    TProbeRegistry::TProbesAccessor probes(Registry);
+                    for (auto& kv : probes) {
+                        TProbe* probe = kv.first;
+                        for (const char* const* gi = probe->Event.Groups; *gi != nullptr; gi++) {
+                            if (*gi == pdesc.GetGroup()) {
+                                InsertExecutor(TraceVariables, bi, pred, actions, probe, destructiveActionsAllowed, customActionFactory);
+                                found = true;
+                                break;
+                            }
+                        }
+                    }
+                    if (!found) {
+                        ythrow yexception() << "block #" << bi + 1
+                                            << " has no matching probes for group '" << pdesc.GetGroup() << "'";
+                    }
+                } else {
+                    ythrow yexception() << "block #" << bi + 1 << " has bad probe description: name '" << pdesc.GetName()
+                                        << "' provider '" << pdesc.GetProvider()
+                                        << "' group '" << pdesc.GetGroup() << "'";
+                }
+            }
+        } catch (...) {
+            Destroy();
+            throw;
+        }
+    }
+
+    void TSession::Destroy() {
+        Detach();
+        for (auto& probe : Probes) {
+            delete probe.second;
+        }
+    }
+
+    TSession::~TSession() {
+        Destroy();
+    }
+
+    void TSession::Detach() {
+        if (Attached) {
+            for (auto& p : Probes) {
+                TProbe* probe = p.first;
+                IExecutor* exec = p.second;
+                probe->Detach(exec);
+            }
+            Attached = false;
+        }
+    }
+
+    size_t TSession::GetEventsCount() const {
+        return CyclicLog.GetEventsCount() + DurationLog.GetEventsCount() + CyclicDepot.GetEventsCount() + DurationDepot.GetEventsCount();
+    }
+
+    size_t TSession::GetThreadsCount() const {
+        return CyclicLog.GetThreadsCount() + DurationLog.GetThreadsCount() + CyclicDepot.GetThreadsCount() + DurationDepot.GetThreadsCount();
+    }
+
+    class TReadToProtobuf {
+    private:
+        TMap<TThread::TId, TVector<TLogItem>> Items;
+
+    public:
+        void ToProtobuf(TLogPb& pb) const {
+            TSet<TProbe*> probes;
+            ui64 eventsCount = 0;
+            for (auto kv : Items) {
+                TThreadLogPb* tpb = pb.AddThreadLogs();
+                tpb->SetThreadId(kv.first);
+                for (TLogItem& item : kv.second) {
+                    item.ToProtobuf(*tpb->AddLogItems());
+                    probes.insert(item.Probe);
+                    eventsCount++;
+                }
+            }
+            pb.SetEventsCount(eventsCount);
+            for (TProbe* probe : probes) {
+                probe->Event.ToProtobuf(*pb.AddEvents());
+            }
+        }
+
+        void Push(TThread::TId tid, const TLogItem& item) {
+            // Avoid any expansive operations in Push(), because it executes under lock and blocks program being traced
+            Items[tid].push_back(item);
+        }
+    };
+
+    void TSession::ToProtobuf(TLogPb& pb) const {
+        TReadToProtobuf reader;
+        ReadItems(reader);
+        reader.ToProtobuf(pb);
+        pb.MutableQuery()->CopyFrom(Query);
+        pb.SetCrtTime(TInstant::Now().GetValue());
+    }
+
+    TManager::TManager(TProbeRegistry& registry, bool allowDestructiveActions)
+        : Registry(registry)
+        , DestructiveActionsAllowed(allowDestructiveActions)
         , SerializingExecutor(new TRunLogShuttleActionExecutor<TCyclicDepot>(0, {}, nullptr, nullptr, nullptr))
-    { 
-    } 
- 
-    TManager::~TManager() { 
-        for (auto& trace : Traces) { 
-            delete trace.second; 
-        } 
-    } 
- 
-    bool TManager::HasTrace(const TString& id) const { 
-        TGuard<TMutex> g(Mtx); 
+    {
+    }
+
+    TManager::~TManager() {
+        for (auto& trace : Traces) {
+            delete trace.second;
+        }
+    }
+
+    bool TManager::HasTrace(const TString& id) const {
+        TGuard<TMutex> g(Mtx);
         return Traces.contains(id);
-    } 
- 
-    const TSession* TManager::GetTrace(const TString& id) const { 
-        TGuard<TMutex> g(Mtx); 
-        TTraces::const_iterator it = Traces.find(id); 
-        if (it == Traces.end()) { 
-            ythrow yexception() << "trace id '" << id << "' is not used"; 
-        } else { 
-            return it->second; 
-        } 
-    } 
- 
-    void TManager::New(const TString& id, const TQuery& query) { 
-        TGuard<TMutex> g(Mtx); 
-        if (Traces.find(id) == Traces.end()) { 
-            TSession* trace = new TSession(++LastTraceIdx, Registry, query, GetDestructiveActionsAllowed(), CustomActionFactory); 
-            Traces[id] = trace; 
-        } else { 
-            ythrow yexception() << "trace id '" << id << "' is already used"; 
-        } 
-    } 
- 
-    void TManager::Delete(const TString& id) { 
-        TGuard<TMutex> g(Mtx); 
-        TTraces::iterator it = Traces.find(id); 
-        if (it == Traces.end()) { 
-            ythrow yexception() << "trace id '" << id << "' is not used"; 
-        } else { 
-            delete it->second; 
-            Traces.erase(it); 
-        } 
-    } 
- 
-    void TManager::Stop(const TString& id) { 
-        TGuard<TMutex> g(Mtx); 
-        TTraces::iterator it = Traces.find(id); 
-        if (it == Traces.end()) { 
-            ythrow yexception() << "trace id '" << id << "' is not used"; 
-        } else { 
-            it->second->Detach(); 
-        } 
-    } 
-} 
+    }
+
+    const TSession* TManager::GetTrace(const TString& id) const {
+        TGuard<TMutex> g(Mtx);
+        TTraces::const_iterator it = Traces.find(id);
+        if (it == Traces.end()) {
+            ythrow yexception() << "trace id '" << id << "' is not used";
+        } else {
+            return it->second;
+        }
+    }
+
+    void TManager::New(const TString& id, const TQuery& query) {
+        TGuard<TMutex> g(Mtx);
+        if (Traces.find(id) == Traces.end()) {
+            TSession* trace = new TSession(++LastTraceIdx, Registry, query, GetDestructiveActionsAllowed(), CustomActionFactory);
+            Traces[id] = trace;
+        } else {
+            ythrow yexception() << "trace id '" << id << "' is already used";
+        }
+    }
+
+    void TManager::Delete(const TString& id) {
+        TGuard<TMutex> g(Mtx);
+        TTraces::iterator it = Traces.find(id);
+        if (it == Traces.end()) {
+            ythrow yexception() << "trace id '" << id << "' is not used";
+        } else {
+            delete it->second;
+            Traces.erase(it);
+        }
+    }
+
+    void TManager::Stop(const TString& id) {
+        TGuard<TMutex> g(Mtx);
+        TTraces::iterator it = Traces.find(id);
+        if (it == Traces.end()) {
+            ythrow yexception() << "trace id '" << id << "' is not used";
+        } else {
+            it->second->Detach();
+        }
+    }
+}
diff --git a/library/cpp/lwtrace/trace_ut.cpp b/library/cpp/lwtrace/trace_ut.cpp
index dd67212ea2..cb03e4fbde 100644
--- a/library/cpp/lwtrace/trace_ut.cpp
+++ b/library/cpp/lwtrace/trace_ut.cpp
@@ -1,11 +1,11 @@
-#include "all.h" 
- 
+#include "all.h"
+
 #include <library/cpp/lwtrace/protos/lwtrace.pb.h>
 
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 #include <google/protobuf/text_format.h>
- 
+
 enum ESimpleEnum {
     ValueA,
     ValueB,
@@ -27,53 +27,53 @@ enum class EEnumClass {
     PROBE(DurationParam, GROUPS("Group"), TYPES(TDuration), NAMES("value"))                              \
     PROBE(ProtoEnum, GROUPS("Group"), TYPES(NLWTrace::EOperatorType), NAMES("value"))                    \
     PROBE(IntIntParams, GROUPS("Group"), TYPES(ui32, ui64), NAMES("value1", "value2"))                   \
-    /**/ 
- 
-LWTRACE_DECLARE_PROVIDER(LWTRACE_UT_PROVIDER) 
-LWTRACE_DEFINE_PROVIDER(LWTRACE_UT_PROVIDER) 
-LWTRACE_USING(LWTRACE_UT_PROVIDER) 
- 
-using namespace NLWTrace; 
- 
+    /**/
+
+LWTRACE_DECLARE_PROVIDER(LWTRACE_UT_PROVIDER)
+LWTRACE_DEFINE_PROVIDER(LWTRACE_UT_PROVIDER)
+LWTRACE_USING(LWTRACE_UT_PROVIDER)
+
+using namespace NLWTrace;
+
 Y_UNIT_TEST_SUITE(LWTraceTrace) {
 #ifndef LWTRACE_DISABLE
     Y_UNIT_TEST(Smoke) {
-        TManager mngr(*Singleton<TProbeRegistry>(), true); 
-        TQuery q; 
-        bool parsed = NProtoBuf::TextFormat::ParseFromString(R"END( 
-            Blocks { 
-                ProbeDesc { 
-                    Name: "NoParam" 
-                    Provider: "LWTRACE_UT_PROVIDER" 
-                } 
-                Action { 
-                    LogAction { } 
-                } 
-            } 
-        )END", 
-                                                             &q); 
-        UNIT_ASSERT(parsed); 
-        mngr.New("Query1", q); 
-        LWPROBE(NoParam); 
-        struct { 
-            void Push(TThread::TId, const TLogItem& item) { 
-                UNIT_ASSERT(TString(item.Probe->Event.Name) == "NoParam"); 
-            } 
-        } reader; 
-        mngr.ReadLog("Query1", reader); 
+        TManager mngr(*Singleton<TProbeRegistry>(), true);
+        TQuery q;
+        bool parsed = NProtoBuf::TextFormat::ParseFromString(R"END(
+            Blocks {
+                ProbeDesc {
+                    Name: "NoParam"
+                    Provider: "LWTRACE_UT_PROVIDER"
+                }
+                Action {
+                    LogAction { }
+                }
+            }
+        )END",
+                                                             &q);
+        UNIT_ASSERT(parsed);
+        mngr.New("Query1", q);
+        LWPROBE(NoParam);
+        struct {
+            void Push(TThread::TId, const TLogItem& item) {
+                UNIT_ASSERT(TString(item.Probe->Event.Name) == "NoParam");
+            }
+        } reader;
+        mngr.ReadLog("Query1", reader);
 
         LWPROBE(EnumParams, ValueA, EEnumClass::ValueC);
         LWPROBE(InstantParam, TInstant::Seconds(42));
         LWPROBE(DurationParam, TDuration::MilliSeconds(146));
         LWPROBE(ProtoEnum, OT_EQ);
-    } 
+    }
 
     Y_UNIT_TEST(Predicate) {
         TManager mngr(*Singleton<TProbeRegistry>(), true);
         TQuery q;
         bool parsed = NProtoBuf::TextFormat::ParseFromString(R"END(
             Blocks {
-                ProbeDesc { 
+                ProbeDesc {
                     Name: "IntParam"
                     Provider: "LWTRACE_UT_PROVIDER"
                 }
@@ -85,7 +85,7 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
                     }
                 }
                 Action {
-                    LogAction { } 
+                    LogAction { }
                 }
             }
         )END", &q);
@@ -117,7 +117,7 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
         TQuery q;
         bool parsed = NProtoBuf::TextFormat::ParseFromString(R"END(
             Blocks {
-                ProbeDesc { 
+                ProbeDesc {
                     Name: "IntParam"
                     Provider: "LWTRACE_UT_PROVIDER"
                 }
@@ -203,7 +203,7 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
                 }
             }
             Blocks {
-                ProbeDesc { 
+                ProbeDesc {
                     Name: "IntParam"
                     Provider: "LWTRACE_UT_PROVIDER"
                 }
@@ -216,53 +216,53 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varDec" }
-                        Argument { Value: "-1" } 
+                        Argument { Value: "-1" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varMov" }
-                        Argument { Value: "3" } 
+                        Argument { Value: "3" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varAddEq" }
-                        Argument { Value: "5" } 
+                        Argument { Value: "5" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varSubEq" }
-                        Argument { Value: "-5" } 
+                        Argument { Value: "-5" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varAdd" }
-                        Argument { Value: "5" } 
+                        Argument { Value: "5" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varSub" }
-                        Argument { Value: "1" } 
+                        Argument { Value: "1" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varMul" }
-                        Argument { Value: "12" } 
+                        Argument { Value: "12" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varDiv" }
-                        Argument { Value: "3" } 
+                        Argument { Value: "3" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varMod" }
-                        Argument { Value: "2" } 
+                        Argument { Value: "2" }
                     }
                 }
                 Action {
                     LogAction { }
                 }
-            } 
+            }
         )END", &q);
         UNIT_ASSERT(parsed);
         mngr.New("QueryName", q);
@@ -286,7 +286,7 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
         TQuery q;
         bool parsed = NProtoBuf::TextFormat::ParseFromString(R"END(
             Blocks {
-                ProbeDesc { 
+                ProbeDesc {
                     Name: "IntIntParams"
                     Provider: "LWTRACE_UT_PROVIDER"
                 }
@@ -353,7 +353,7 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
                 }
             }
             Blocks {
-                ProbeDesc { 
+                ProbeDesc {
                     Name: "IntIntParams"
                     Provider: "LWTRACE_UT_PROVIDER"
                 }
@@ -361,48 +361,48 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varMov" }
-                        Argument { Param: "value1" } 
+                        Argument { Param: "value1" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varAddEq" }
-                        Argument { Param: "value1" } 
+                        Argument { Param: "value1" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varSubEq" }
-                        Argument { Value: "-22" } 
+                        Argument { Value: "-22" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varAdd" }
-                        Argument { Value: "25" } 
+                        Argument { Value: "25" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varSub" }
-                        Argument { Value: "19" } 
+                        Argument { Value: "19" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varMul" }
-                        Argument { Value: "66" } 
+                        Argument { Value: "66" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varDiv" }
-                        Argument { Value: "7" } 
+                        Argument { Value: "7" }
                     }
                     Operators {
                         Type: OT_EQ
                         Argument { Variable: "varMod" }
-                        Argument { Value: "1" } 
+                        Argument { Value: "1" }
                     }
                 }
                 Action {
                     LogAction { }
                 }
-            } 
+            }
         )END", &q);
         UNIT_ASSERT(parsed);
         mngr.New("QueryName", q);
@@ -424,12 +424,12 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
         bool parsed = NProtoBuf::TextFormat::ParseFromString(R"END(
             PerThreadLogSize: 3
             Blocks {
-                ProbeDesc { 
+                ProbeDesc {
                     Name: "IntParam"
                     Provider: "LWTRACE_UT_PROVIDER"
                 }
                 Action {
-                    LogAction { } 
+                    LogAction { }
                 }
             }
         )END", &q);
@@ -501,7 +501,7 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
         TQuery q;
         bool parsed = NProtoBuf::TextFormat::ParseFromString(R"END(
             Blocks {
-                ProbeDesc { 
+                ProbeDesc {
                     Name: "NoParam"
                     Provider: "LWTRACE_UT_PROVIDER"
                 }
@@ -521,7 +521,7 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
         TQuery q;
         bool parsed = NProtoBuf::TextFormat::ParseFromString(R"END(
             Blocks {
-                ProbeDesc { 
+                ProbeDesc {
                     Name: "NoParam"
                     Provider: "LWTRACE_UT_PROVIDER"
                 }
@@ -539,7 +539,7 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
         TInstant t0 = Now();
         LWPROBE(NoParam);
         TInstant t1 = Now();
-        UNIT_ASSERT(t1.NanoSeconds() - t0.NanoSeconds() >= sleepTimeNs); 
+        UNIT_ASSERT(t1.NanoSeconds() - t0.NanoSeconds() >= sleepTimeNs);
     }
 
     Y_UNIT_TEST(ProtoEnumTraits) {
@@ -550,37 +550,37 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
     }
 
     Y_UNIT_TEST(Track) {
-        TManager mngr(*Singleton<TProbeRegistry>(), true); 
-        TQuery q; 
-        bool parsed = NProtoBuf::TextFormat::ParseFromString(R"END( 
-            Blocks { 
-                ProbeDesc { 
-                    Name: "IntParam" 
-                    Provider: "LWTRACE_UT_PROVIDER" 
-                } 
-                Action { 
-                    RunLogShuttleAction { } 
-                } 
-            } 
+        TManager mngr(*Singleton<TProbeRegistry>(), true);
+        TQuery q;
+        bool parsed = NProtoBuf::TextFormat::ParseFromString(R"END(
+            Blocks {
+                ProbeDesc {
+                    Name: "IntParam"
+                    Provider: "LWTRACE_UT_PROVIDER"
+                }
+                Action {
+                    RunLogShuttleAction { }
+                }
+            }
         )END", &q);
-        UNIT_ASSERT(parsed); 
-        mngr.New("Query1", q); 
- 
-        { 
-            TOrbit orbit; 
-            LWTRACK(IntParam, orbit, 1); 
-            LWTRACK(StringParam, orbit, "str"); 
-        } 
- 
-        struct { 
-            void Push(TThread::TId, const TTrackLog& tl) { 
-                UNIT_ASSERT(tl.Items.size() == 2); 
-                UNIT_ASSERT(TString(tl.Items[0].Probe->Event.Name) == "IntParam"); 
-                UNIT_ASSERT(TString(tl.Items[1].Probe->Event.Name) == "StringParam"); 
-            } 
-        } reader; 
-        mngr.ReadDepot("Query1", reader); 
-    } 
+        UNIT_ASSERT(parsed);
+        mngr.New("Query1", q);
+
+        {
+            TOrbit orbit;
+            LWTRACK(IntParam, orbit, 1);
+            LWTRACK(StringParam, orbit, "str");
+        }
+
+        struct {
+            void Push(TThread::TId, const TTrackLog& tl) {
+                UNIT_ASSERT(tl.Items.size() == 2);
+                UNIT_ASSERT(TString(tl.Items[0].Probe->Event.Name) == "IntParam");
+                UNIT_ASSERT(TString(tl.Items[1].Probe->Event.Name) == "StringParam");
+            }
+        } reader;
+        mngr.ReadDepot("Query1", reader);
+    }
 
     Y_UNIT_TEST(ShouldSerializeTracks)
     {
@@ -877,4 +877,4 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
         mngr.ReadDepot("Query1", reader);
     }
 #endif // LWTRACE_DISABLE
-} 
+}
diff --git a/library/cpp/lwtrace/ut/ya.make b/library/cpp/lwtrace/ut/ya.make
index 03599cad26..f43118bab7 100644
--- a/library/cpp/lwtrace/ut/ya.make
+++ b/library/cpp/lwtrace/ut/ya.make
@@ -1,11 +1,11 @@
 UNITTEST_FOR(library/cpp/lwtrace)
- 
-OWNER(serxa) 
- 
-FORK_SUBTESTS() 
- 
-SRCS( 
-    trace_ut.cpp 
-) 
- 
-END() 
+
+OWNER(serxa)
+
+FORK_SUBTESTS()
+
+SRCS(
+    trace_ut.cpp
+)
+
+END()
diff --git a/library/cpp/lwtrace/ya.make b/library/cpp/lwtrace/ya.make
index 3f19aa1973..d9accb3006 100644
--- a/library/cpp/lwtrace/ya.make
+++ b/library/cpp/lwtrace/ya.make
@@ -1,25 +1,25 @@
 LIBRARY()
 
-OWNER(serxa) 
+OWNER(serxa)
 
-PEERDIR( 
+PEERDIR(
     library/cpp/lwtrace/protos
-) 
- 
+)
+
 SRCS(
-    check.cpp 
+    check.cpp
     control.cpp
-    custom_action.cpp 
+    custom_action.cpp
     kill_action.cpp
     log_shuttle.cpp
-    perf.cpp 
-    probes.cpp 
-    shuttle.cpp 
+    perf.cpp
+    probes.cpp
+    shuttle.cpp
     sleep_action.cpp
-    start.cpp 
-    stderr_writer.cpp 
-    symbol.cpp 
-    trace.cpp 
+    start.cpp
+    stderr_writer.cpp
+    symbol.cpp
+    trace.cpp
 )
 
 END()
diff --git a/library/cpp/monlib/counters/counters.cpp b/library/cpp/monlib/counters/counters.cpp
index 6ea370e081..50dca4c577 100644
--- a/library/cpp/monlib/counters/counters.cpp
+++ b/library/cpp/monlib/counters/counters.cpp
@@ -21,7 +21,7 @@ namespace NMonitoring {
         if (i == 0 || i >= imax)
             *buf = '\0';
         else
-            snprintf(buf, size, "%" PRId64 ".%" PRId64 "%c", major, minor, shorts[i]); 
+            snprintf(buf, size, "%" PRId64 ".%" PRId64 "%c", major, minor, shorts[i]);
 
         return buf;
     }
@@ -32,18 +32,18 @@ namespace NMonitoring {
             buf[0] = 0;
             return buf;
         }
-        PrettyNumShort(val, buf + 2, size - 3); 
-        if (buf[2] == 0) { 
-            *buf = '\0'; 
-        } else { 
+        PrettyNumShort(val, buf + 2, size - 3);
+        if (buf[2] == 0) {
+            *buf = '\0';
+        } else {
             size_t len = 2 + strnlen(buf + 2, size - 4);
             Y_ASSERT(len < size);
-            buf[0] = ' '; 
-            buf[1] = '('; 
-            buf[len] = ')'; 
-            buf[len + 1] = '\0'; 
-        } 
- 
-        return buf; 
-    } 
+            buf[0] = ' ';
+            buf[1] = '(';
+            buf[len] = ')';
+            buf[len + 1] = '\0';
+        }
+
+        return buf;
+    }
 }
diff --git a/library/cpp/monlib/dynamic_counters/counters.cpp b/library/cpp/monlib/dynamic_counters/counters.cpp
index b4ee2942aa..3635d87d0d 100644
--- a/library/cpp/monlib/dynamic_counters/counters.cpp
+++ b/library/cpp/monlib/dynamic_counters/counters.cpp
@@ -184,11 +184,11 @@ void TDynamicCounters::RegisterSubgroup(const TString& name, const TString& valu
 }
 
 void TDynamicCounters::OutputHtml(IOutputStream& os) const {
-    HTML(os) { 
-        PRE() { 
+    HTML(os) {
+        PRE() {
             OutputPlainText(os);
-        } 
-    } 
+        }
+    }
 }
 
 void TDynamicCounters::EnumerateSubgroups(const std::function<void(const TString& name, const TString& value)>& output) const {
diff --git a/library/cpp/monlib/dynamic_counters/page.cpp b/library/cpp/monlib/dynamic_counters/page.cpp
index 6fc7719a48..5124a47bb3 100644
--- a/library/cpp/monlib/dynamic_counters/page.cpp
+++ b/library/cpp/monlib/dynamic_counters/page.cpp
@@ -107,15 +107,15 @@ void TDynamicCountersPage::HandleAbsentSubgroup(IMonHttpRequest& request) {
 
 void TDynamicCountersPage::BeforePre(IMonHttpRequest& request) {
     IOutputStream& out = request.Output();
-    HTML(out) { 
-        DIV() { 
+    HTML(out) {
+        DIV() {
             out << "<a href='" << request.GetPath() << "/json'>Counters as JSON</a>";
             out << " for <a href='https://wiki.yandex-team.ru/solomon/'>Solomon</a>";
-        } 
+        }
 
         H5() {
             out << "Counters subgroups";
-        } 
+        }
         UL() {
             currentCounters->EnumerateSubgroups([&](const TString& name, const TString& value) {
                 LI() {
@@ -129,7 +129,7 @@ void TDynamicCountersPage::BeforePre(IMonHttpRequest& request) {
         H4() {
             out << "Counters as text";
         }
-    } 
+    }
 }
 
 void TDynamicCountersPage::OutputText(IOutputStream& out, IMonHttpRequest&) {
diff --git a/library/cpp/monlib/service/pages/html_mon_page.cpp b/library/cpp/monlib/service/pages/html_mon_page.cpp
index fdb9229f04..eb4eb3b66c 100644
--- a/library/cpp/monlib/service/pages/html_mon_page.cpp
+++ b/library/cpp/monlib/service/pages/html_mon_page.cpp
@@ -8,10 +8,10 @@ void THtmlMonPage::Output(NMonitoring::IMonHttpRequest& request) {
     IOutputStream& out = request.Output();
 
     out << HTTPOKHTML;
-    HTML(out) { 
+    HTML(out) {
         out << "<!DOCTYPE html>\n";
-        HTML_TAG() { 
-            HEAD() { 
+        HTML_TAG() {
+            HEAD() {
                 if (!!Title) {
                     out << "<title>" << Title << "</title>\n";
                 }
@@ -32,19 +32,19 @@ void THtmlMonPage::Output(NMonitoring::IMonHttpRequest& request) {
                 out << ".narrow-line80 {line-height: 80%}\n";
                 out << ".narrow-line90 {line-height: 90%}\n";
                 out << "</style>\n";
-            } 
-            BODY() { 
+            }
+            BODY() {
                 OutputNavBar(out);
 
-                DIV_CLASS("container") { 
+                DIV_CLASS("container") {
                     if (!!Title) {
                         out << "<h2>" << Title << "</h2>";
                     }
                     OutputContent(request);
-                } 
-            } 
-        } 
-    } 
+                }
+            }
+        }
+    }
 }
 
 void THtmlMonPage::NotFound(NMonitoring::IMonHttpRequest& request) const {
diff --git a/library/cpp/monlib/service/pages/mon_page.h b/library/cpp/monlib/service/pages/mon_page.h
index 4e244b292d..e396612bb0 100644
--- a/library/cpp/monlib/service/pages/mon_page.h
+++ b/library/cpp/monlib/service/pages/mon_page.h
@@ -29,7 +29,7 @@ namespace NMonitoring {
     // Images
     static const char HTTPOKPNG[] = "HTTP/1.1 200 Ok\r\nContent-Type: image/png\r\nConnection: Close\r\n\r\n";
     static const char HTTPOKSVG[] = "HTTP/1.1 200 Ok\r\nContent-Type: image/svg+xml\r\nConnection: Close\r\n\r\n";
- 
+
     class IMonPage;
 
     using TMonPagePtr = TIntrusivePtr<IMonPage>;
diff --git a/library/cpp/monlib/service/pages/resource_mon_page.cpp b/library/cpp/monlib/service/pages/resource_mon_page.cpp
index 5571b70575..ec4ac6a1a7 100644
--- a/library/cpp/monlib/service/pages/resource_mon_page.cpp
+++ b/library/cpp/monlib/service/pages/resource_mon_page.cpp
@@ -17,27 +17,27 @@ void TResourceMonPage::Output(NMonitoring::IMonHttpRequest& request) {
         case JAVASCRIPT:
             out << HTTPOKJAVASCRIPT;
             break;
-        case FONT_EOT: 
-            out << HTTPOKFONTEOT; 
-            break; 
-        case FONT_TTF: 
-            out << HTTPOKFONTTTF; 
-            break; 
-        case FONT_WOFF: 
-            out << HTTPOKFONTWOFF; 
-            break; 
-        case FONT_WOFF2: 
-            out << HTTPOKFONTWOFF2; 
-            break; 
-        case PNG: 
-            out << HTTPOKPNG; 
-            break; 
-        case SVG: 
-            out << HTTPOKSVG; 
-            break; 
+        case FONT_EOT:
+            out << HTTPOKFONTEOT;
+            break;
+        case FONT_TTF:
+            out << HTTPOKFONTTTF;
+            break;
+        case FONT_WOFF:
+            out << HTTPOKFONTWOFF;
+            break;
+        case FONT_WOFF2:
+            out << HTTPOKFONTWOFF2;
+            break;
+        case PNG:
+            out << HTTPOKPNG;
+            break;
+        case SVG:
+            out << HTTPOKSVG;
+            break;
         default:
             out << HTTPOKBIN;
-            break; 
+            break;
     }
     out << NResource::Find(ResourceName);
 }
diff --git a/library/cpp/monlib/service/pages/resource_mon_page.h b/library/cpp/monlib/service/pages/resource_mon_page.h
index aecb83c7be..f6ab67200e 100644
--- a/library/cpp/monlib/service/pages/resource_mon_page.h
+++ b/library/cpp/monlib/service/pages/resource_mon_page.h
@@ -18,11 +18,11 @@ namespace NMonitoring {
             FONT_TTF,
             FONT_WOFF,
             FONT_WOFF2,
- 
+
             PNG,
             SVG
         };
- 
+
         TResourceMonPage(const TString& path, const TString& resourceName,
                          const EResourceType& resourceType = BINARY)
             : IMonPage(path, "")
diff --git a/library/cpp/monlib/service/pages/templates.h b/library/cpp/monlib/service/pages/templates.h
index 4a96171f7c..b4656f059f 100644
--- a/library/cpp/monlib/service/pages/templates.h
+++ b/library/cpp/monlib/service/pages/templates.h
@@ -1,11 +1,11 @@
 #pragma once
 
 #include <util/stream/output.h>
-#include <util/system/defaults.h> 
+#include <util/system/defaults.h>
 
-#define WITH_SCOPED(var, value) WITH_SCOPED_I(var, value, Y_GENERATE_UNIQUE_ID(WITH_SCOPED_LABEL_)) 
+#define WITH_SCOPED(var, value) WITH_SCOPED_I(var, value, Y_GENERATE_UNIQUE_ID(WITH_SCOPED_LABEL_))
 
-#define WITH_SCOPED_I(var, value, label) \ 
+#define WITH_SCOPED_I(var, value, label) \
     if (auto var = (value)) {              \
         Y_UNUSED(var);                   \
         goto label;                      \
@@ -27,12 +27,12 @@
 #define HTML_TAG() TAG(THtml)
 #define DIV() TAG(TDiv)
 #define DIV_CLASS(cls) TAG_CLASS(TDiv, cls)
-#define DIV_CLASS_ID(cls, id) TAG_CLASS_ID(TDiv, cls, id) 
+#define DIV_CLASS_ID(cls, id) TAG_CLASS_ID(TDiv, cls, id)
 #define PRE() TAG(TPre)
 #define TABLE() TAG(TTable)
 #define TABLE_CLASS(cls) TAG_CLASS(TTable, cls)
 #define TABLE_SORTABLE() TABLE_CLASS("table-sortable")
-#define TABLE_SORTABLE_CLASS(cls) TABLE_CLASS(cls " table-sortable") 
+#define TABLE_SORTABLE_CLASS(cls) TABLE_CLASS(cls " table-sortable")
 #define TABLEHEAD() TAG(TTableHead)
 #define TABLEHEAD_CLASS(cls) TAG_CLASS(TTableHead, cls)
 #define TABLEBODY() TAG(TTableBody)
@@ -48,9 +48,9 @@
 #define FORM_CLASS(cls) TAG_CLASS(TFormC, cls)
 #define LABEL() TAG(TLabelC)
 #define LABEL_CLASS(cls) TAG_CLASS(TLabelC, cls)
-#define LABEL_CLASS_FOR(cls, for0) TAG_CLASS_FOR(TLabelC, cls, for0) 
+#define LABEL_CLASS_FOR(cls, for0) TAG_CLASS_FOR(TLabelC, cls, for0)
 #define SPAN_CLASS(cls) TAG_CLASS(TSpanC, cls)
-#define SPAN_CLASS_STYLE(cls, style) TAG_CLASS_STYLE(TSpanC, cls, style) 
+#define SPAN_CLASS_STYLE(cls, style) TAG_CLASS_STYLE(TSpanC, cls, style)
 
 #define PARA() TAG(TPara)
 #define PARA_CLASS(cls) TAG_CLASS(TPara, cls)
@@ -87,12 +87,12 @@
 
 #define CAPTION() TAG(TCaption)
 #define CAPTION_CLASS(cls) CAPTION_CLASS(TCaption, cls)
- 
+
 #define HTML_OUTPUT_PARAM(str, param) str << #param << ": " << param << "<br/>"
 #define HTML_OUTPUT_TIME_PARAM(str, param) str << #param << ": " << ToStringLocalTimeUpToSeconds(param) << "<br/>"
 
-#define COLLAPSED_BUTTON_CONTENT(targetId, buttonText) \ 
-    WITH_SCOPED(tmp, NMonitoring::TCollapsedButton(__stream, targetId, buttonText)) 
+#define COLLAPSED_BUTTON_CONTENT(targetId, buttonText) \
+    WITH_SCOPED(tmp, NMonitoring::TCollapsedButton(__stream, targetId, buttonText))
 
 #define HREF(path) \
     WITH_SCOPED(tmp, NMonitoring::THref(__stream, path))
@@ -156,10 +156,10 @@ namespace NMonitoring {
             }
         }
 
-        explicit inline operator bool() const noexcept { 
-            return true; // just to work with WITH_SCOPED 
-        } 
- 
+        explicit inline operator bool() const noexcept {
+            return true; // just to work with WITH_SCOPED
+        }
+
         IOutputStream& Str;
     };
 
@@ -180,30 +180,30 @@ namespace NMonitoring {
             }
         }
 
-        explicit inline operator bool() const noexcept { 
-            return true; // just to work with WITH_SCOPED 
-        } 
- 
+        explicit inline operator bool() const noexcept {
+            return true; // just to work with WITH_SCOPED
+        }
+
         IOutputStream& Str;
     };
 
-    struct TOutputStreamRef { 
+    struct TOutputStreamRef {
         TOutputStreamRef(IOutputStream& str)
-            : Str(str) 
+            : Str(str)
         {
         }
- 
+
         inline operator IOutputStream&() noexcept {
-            return Str; 
-        } 
- 
-        explicit inline operator bool() const noexcept { 
-            return true; // just to work with WITH_SCOPED 
-        } 
- 
+            return Str;
+        }
+
+        explicit inline operator bool() const noexcept {
+            return true; // just to work with WITH_SCOPED
+        }
+
         IOutputStream& Str;
-    }; 
- 
+    };
+
     extern const char HtmlTag[5];
     extern const char HeadTag[5];
     extern const char BodyTag[5];
diff --git a/library/cpp/scheme/scheme.h b/library/cpp/scheme/scheme.h
index cfbb61580d..3d7c59f3c9 100644
--- a/library/cpp/scheme/scheme.h
+++ b/library/cpp/scheme/scheme.h
@@ -387,7 +387,7 @@ namespace NSc {
 
         static TValue From(const ::google::protobuf::Message&, bool mapAsDict = false);
 
-        void To(::google::protobuf::Message&, const TProtoOpts& opts = {}) const; 
+        void To(::google::protobuf::Message&, const TProtoOpts& opts = {}) const;
 
     public:
         inline explicit TValue(TPoolPtr&);
@@ -421,11 +421,11 @@ namespace NSc {
         static TValue FromField(const ::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*);
         static TValue FromRepeatedField(const ::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, int index);
 
-        void ValueToField(const TValue& value, ::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, const TProtoOpts& opts) const; 
-        void ToField(::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, const TProtoOpts& opts) const; 
-        void ToEnumField(::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, const TProtoOpts& opts) const; 
-        void ToRepeatedField(::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, const TProtoOpts& opts) const; 
-        void ToMapField(::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, const TProtoOpts& opts) const; 
+        void ValueToField(const TValue& value, ::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, const TProtoOpts& opts) const;
+        void ToField(::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, const TProtoOpts& opts) const;
+        void ToEnumField(::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, const TProtoOpts& opts) const;
+        void ToRepeatedField(::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, const TProtoOpts& opts) const;
+        void ToMapField(::google::protobuf::Message&, const ::google::protobuf::FieldDescriptor*, const TProtoOpts& opts) const;
     };
 
 
diff --git a/library/cpp/scheme/scimpl_defs.h b/library/cpp/scheme/scimpl_defs.h
index 8937b75837..f3dd66b437 100644
--- a/library/cpp/scheme/scimpl_defs.h
+++ b/library/cpp/scheme/scimpl_defs.h
@@ -117,14 +117,14 @@ namespace NSc {
         }
     };
 
-    struct TProtoOpts { 
-        // Serialization throws on unknown enum value if not set, else use default value 
-        bool UnknownEnumValueIsDefault = false; 
- 
-        // Serialization throws on type mismatch if not set, else leaves protobuf empty 
-        bool SkipTypeMismatch = false; 
-    }; 
- 
+    struct TProtoOpts {
+        // Serialization throws on unknown enum value if not set, else use default value
+        bool UnknownEnumValueIsDefault = false;
+
+        // Serialization throws on type mismatch if not set, else leaves protobuf empty
+        bool SkipTypeMismatch = false;
+    };
+
     namespace NImpl {
         class TKeySortContext;
         class TSelfLoopContext;
diff --git a/library/cpp/scheme/scimpl_protobuf.cpp b/library/cpp/scheme/scimpl_protobuf.cpp
index 190449effa..0c99122c69 100644
--- a/library/cpp/scheme/scimpl_protobuf.cpp
+++ b/library/cpp/scheme/scimpl_protobuf.cpp
@@ -129,7 +129,7 @@ namespace NSc {
         return v;
     }
 
-    void TValue::To(Message& msg, const TProtoOpts& opts) const { 
+    void TValue::To(Message& msg, const TProtoOpts& opts) const {
         msg.Clear();
 
         if (IsNull()) {
@@ -144,16 +144,16 @@ namespace NSc {
         for (int i = 0, count = descriptor->field_count(); i < count; ++i) {
             const FieldDescriptor* field = descriptor->field(i);
             if (field->is_map()) {
-                ToMapField(msg, field, opts); 
+                ToMapField(msg, field, opts);
             } else if (field->is_repeated()) {
-                ToRepeatedField(msg, field, opts); 
+                ToRepeatedField(msg, field, opts);
             } else {
-                ToField(msg, field, opts); 
+                ToField(msg, field, opts);
             }
         }
     }
 
-    void TValue::ValueToField(const TValue& value, Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const { 
+    void TValue::ValueToField(const TValue& value, Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const {
         const TString& name = field->name();
         if (value.IsNull()) {
             if (field->is_required() && !field->has_default_value()) {
@@ -190,10 +190,10 @@ namespace NSc {
                 reflection->SetString(&msg, field, value.ForceString());
                 break;
             case FieldDescriptor::CPPTYPE_ENUM:
-                value.ToEnumField(msg, field, opts); 
+                value.ToEnumField(msg, field, opts);
                 break;
             case FieldDescriptor::CPPTYPE_MESSAGE:
-                value.To(*reflection->MutableMessage(&msg, field), opts); 
+                value.To(*reflection->MutableMessage(&msg, field), opts);
                 break;
             default:
                 ythrow TSchemeException()
@@ -202,13 +202,13 @@ namespace NSc {
         }
     }
 
-    void TValue::ToField(Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const { 
+    void TValue::ToField(Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const {
         const TString& name = field->name();
         const TValue& value = Get(name);
-        ValueToField(value, msg, field, opts); 
+        ValueToField(value, msg, field, opts);
     }
 
-    void TValue::ToEnumField(Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const { 
+    void TValue::ToEnumField(Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const {
         const EnumDescriptor* enumField = field->enum_type();
 
         const EnumValueDescriptor* enumFieldValue = IsString()
@@ -216,11 +216,11 @@ namespace NSc {
                                                         : enumField->FindValueByNumber(ForceIntNumber());
 
         if (!enumFieldValue) {
-            if (opts.UnknownEnumValueIsDefault) { 
-                enumFieldValue = field->default_value_enum(); 
-            } else { 
-                ythrow TSchemeException() << "invalid value of enum field " << field->name(); 
-            } 
+            if (opts.UnknownEnumValueIsDefault) {
+                enumFieldValue = field->default_value_enum();
+            } else {
+                ythrow TSchemeException() << "invalid value of enum field " << field->name();
+            }
         }
 
         const Reflection* reflection = msg.GetReflection();
@@ -232,7 +232,7 @@ namespace NSc {
         }
     }
 
-    void TValue::ToRepeatedField(Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const { 
+    void TValue::ToRepeatedField(Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const {
         const TString& name = field->name();
 
         const TValue& fieldValue = Get(name);
@@ -241,11 +241,11 @@ namespace NSc {
         }
 
         if (!fieldValue.IsArray()) {
-            if (opts.SkipTypeMismatch) { 
-                return; // leave repeated field empty 
-            } else { 
-                ythrow TSchemeException() << "invalid type of repeated field " << name << ": not an array"; 
-            } 
+            if (opts.SkipTypeMismatch) {
+                return; // leave repeated field empty
+            } else {
+                ythrow TSchemeException() << "invalid type of repeated field " << name << ": not an array";
+            }
         }
 
         const Reflection* reflection = msg.GetReflection();
@@ -277,7 +277,7 @@ namespace NSc {
                     reflection->AddString(&msg, field, value.ForceString());
                     break;
                 case FieldDescriptor::CPPTYPE_ENUM:
-                    value.ToEnumField(msg, field, opts); 
+                    value.ToEnumField(msg, field, opts);
                     break;
                 case FieldDescriptor::CPPTYPE_MESSAGE:
                     value.To(*reflection->AddMessage(&msg, field));
@@ -290,7 +290,7 @@ namespace NSc {
         }
     }
 
-    void TValue::ToMapField(Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const { 
+    void TValue::ToMapField(Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const {
         const TString& name = field->name();
 
         const TValue& fieldValue = Get(name);
@@ -300,16 +300,16 @@ namespace NSc {
 
         if (fieldValue.IsArray()) {
             // read dict from key, value array
-            ToRepeatedField(msg, field, opts); 
+            ToRepeatedField(msg, field, opts);
             return;
         }
 
         if (!fieldValue.IsDict()) {
-            if (opts.SkipTypeMismatch) { 
-                return; // leave map field empty 
-            } else { 
-                ythrow TSchemeException() << "invalid type of map field " << name << ": not dict or array"; 
-            } 
+            if (opts.SkipTypeMismatch) {
+                return; // leave map field empty
+            } else {
+                ythrow TSchemeException() << "invalid type of map field " << name << ": not dict or array";
+            }
         }
 
         const Reflection* reflection = msg.GetReflection();
@@ -322,7 +322,7 @@ namespace NSc {
             auto valueField = entryDesc->FindFieldByNumber(2);
             auto entryReflection = entry->GetReflection();
             entryReflection->SetString(entry.Get(), keyField, TString(value.first));
-            ValueToField(value.second, *entry, valueField, opts); 
+            ValueToField(value.second, *entry, valueField, opts);
             mutableField.Add(*entry);
         }
     }