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

19 files changed, 779 insertions, 779 deletions

diff --git a/library/cpp/actors/core/log_settings.cpp b/library/cpp/actors/core/log_settings.cpp
index e49abf4717..f52f2fc5d2 100644
--- a/library/cpp/actors/core/log_settings.cpp
+++ b/library/cpp/actors/core/log_settings.cpp
@@ -6,11 +6,11 @@ namespace NActors {
     namespace NLog {
         TSettings::TSettings(const TActorId& loggerActorId, const EComponent loggerComponent,
                              EComponent minVal, EComponent maxVal, EComponentToStringFunc func,
-                             EPriority defPriority, EPriority defSamplingPriority, 
-                             ui32 defSamplingRate, ui64 timeThresholdMs) 
+                             EPriority defPriority, EPriority defSamplingPriority,
+                             ui32 defSamplingRate, ui64 timeThresholdMs)
             : LoggerActorId(loggerActorId)
             , LoggerComponent(loggerComponent)
-            , TimeThresholdMs(timeThresholdMs) 
+            , TimeThresholdMs(timeThresholdMs)
             , AllowDrop(true)
             , ThrottleDelay(TDuration::MilliSeconds(100))
             , MinVal(0)
@@ -28,11 +28,11 @@ namespace NActors {
         }
 
         TSettings::TSettings(const TActorId& loggerActorId, const EComponent loggerComponent,
-                             EPriority defPriority, EPriority defSamplingPriority, 
-                             ui32 defSamplingRate, ui64 timeThresholdMs) 
+                             EPriority defPriority, EPriority defSamplingPriority,
+                             ui32 defSamplingRate, ui64 timeThresholdMs)
             : LoggerActorId(loggerActorId)
             , LoggerComponent(loggerComponent)
-            , TimeThresholdMs(timeThresholdMs) 
+            , TimeThresholdMs(timeThresholdMs)
             , AllowDrop(true)
             , ThrottleDelay(TDuration::MilliSeconds(100))
             , MinVal(0)
diff --git a/library/cpp/actors/core/log_settings.h b/library/cpp/actors/core/log_settings.h
index ebb689be09..7fe4504edd 100644
--- a/library/cpp/actors/core/log_settings.h
+++ b/library/cpp/actors/core/log_settings.h
@@ -100,12 +100,12 @@ namespace NActors {
             // YOURTYPE_Name for you.
             TSettings(const TActorId& loggerActorId, const EComponent loggerComponent,
                       EComponent minVal, EComponent maxVal, EComponentToStringFunc func,
-                      EPriority defPriority, EPriority defSamplingPriority = PRI_DEBUG, 
-                      ui32 defSamplingRate = 0, ui64 timeThresholdMs = 1000); 
+                      EPriority defPriority, EPriority defSamplingPriority = PRI_DEBUG,
+                      ui32 defSamplingRate = 0, ui64 timeThresholdMs = 1000);
 
             TSettings(const TActorId& loggerActorId, const EComponent loggerComponent,
-                      EPriority defPriority, EPriority defSamplingPriority = PRI_DEBUG, 
-                      ui32 defSamplingRate = 0, ui64 timeThresholdMs = 1000); 
+                      EPriority defPriority, EPriority defSamplingPriority = PRI_DEBUG,
+                      ui32 defSamplingRate = 0, ui64 timeThresholdMs = 1000);
 
             void Append(EComponent minVal, EComponent maxVal, EComponentToStringFunc func);
 
diff --git a/library/cpp/actors/core/log_ut.cpp b/library/cpp/actors/core/log_ut.cpp
index d742357e3f..09b5f88ea2 100644
--- a/library/cpp/actors/core/log_ut.cpp
+++ b/library/cpp/actors/core/log_ut.cpp
@@ -22,19 +22,19 @@ namespace {
         return s;
     }
 
-    TIntrusivePtr<TSettings> DroppingSettings(ui64 timeThresholdMs) { 
-        auto loggerId = TActorId{0, "Logger"}; 
-        auto s = MakeIntrusive<TSettings>( 
-            loggerId, 
-            0, 
-            EPriority::PRI_TRACE, 
-            EPriority::PRI_DEBUG, 
-            (ui32)0, 
-            timeThresholdMs); 
-        s->Append(0, 1, ServiceToString); 
-        return s; 
-    } 
- 
+    TIntrusivePtr<TSettings> DroppingSettings(ui64 timeThresholdMs) {
+        auto loggerId = TActorId{0, "Logger"};
+        auto s = MakeIntrusive<TSettings>(
+            loggerId,
+            0,
+            EPriority::PRI_TRACE,
+            EPriority::PRI_DEBUG,
+            (ui32)0,
+            timeThresholdMs);
+        s->Append(0, 1, ServiceToString);
+        return s;
+    }
+
     class TMockBackend: public TLogBackend {
     public:
         using TWriteImpl = std::function<void(const TLogRecord&)>;
@@ -68,30 +68,30 @@ namespace {
     };
 
     struct TFixture {
-        TFixture( 
-            TIntrusivePtr<TSettings> settings, 
-            TMockBackend::TWriteImpl writeImpl = ThrowAlways) 
-        { 
+        TFixture(
+            TIntrusivePtr<TSettings> settings,
+            TMockBackend::TWriteImpl writeImpl = ThrowAlways)
+        {
             Runtime.Initialize();
             LogBackend.reset(new TMockBackend{writeImpl});
-            LoggerActor = Runtime.Register(new TLoggerActor{settings, LogBackend, Counters}); 
+            LoggerActor = Runtime.Register(new TLoggerActor{settings, LogBackend, Counters});
             Runtime.SetScheduledEventFilter([] (auto&&, auto&&, auto&&, auto) {
                 return false;
             });
         }
 
-        TFixture(TMockBackend::TWriteImpl writeImpl = ThrowAlways) 
-            : TFixture(DefaultSettings(), writeImpl) 
-        {} 
- 
+        TFixture(TMockBackend::TWriteImpl writeImpl = ThrowAlways)
+            : TFixture(DefaultSettings(), writeImpl)
+        {}
+
         void WriteLog() {
             Runtime.Send(new IEventHandle{LoggerActor, {}, new TEvLog(TInstant::Zero(), TLevel{EPrio::Emerg}, 0, "foo")});
         }
 
-        void WriteLog(TInstant ts) { 
-            Runtime.Send(new IEventHandle{LoggerActor, {}, new TEvLog(ts, TLevel{EPrio::Emerg}, 0, "foo")}); 
-        } 
- 
+        void WriteLog(TInstant ts) {
+            Runtime.Send(new IEventHandle{LoggerActor, {}, new TEvLog(ts, TLevel{EPrio::Emerg}, 0, "foo")});
+        }
+
         void Wakeup() {
             Runtime.Send(new IEventHandle{LoggerActor, {}, new TEvents::TEvWakeup});
         }
@@ -152,34 +152,34 @@ Y_UNIT_TEST_SUITE(TLoggerActorTest) {
 
         UNIT_ASSERT_VALUES_EQUAL(messages.size(), COUNT);
     }
- 
-    Y_UNIT_TEST(ShouldObeyTimeThresholdMsWhenOverloaded) { 
-        TFixture test{DroppingSettings(5000)}; 
- 
-        TVector<TString> messages; 
-        auto acceptWrites = [&] (const TLogRecord& r) { 
-            messages.emplace_back(r.Data, r.Len); 
-        }; 
- 
-        test.LogBackend->SetWriteImpl(acceptWrites); 
-        test.Wakeup(); 
- 
-        const auto COUNT = 11; 
-        for (auto i = 0; i < COUNT; ++i) { 
-            test.WriteLog(); 
-        } 
- 
-        UNIT_ASSERT_VALUES_EQUAL(messages.size(), COUNT); 
- 
-        test.Runtime.AdvanceCurrentTime(TDuration::Seconds(20)); 
-        auto now = test.Runtime.GetCurrentTime(); 
- 
-        test.WriteLog(now - TDuration::Seconds(5)); 
- 
-        UNIT_ASSERT_VALUES_EQUAL(messages.size(), COUNT + 1); 
- 
-        test.WriteLog(now - TDuration::Seconds(6)); 
- 
-        UNIT_ASSERT_VALUES_EQUAL(messages.size(), COUNT + 1); 
-    } 
+
+    Y_UNIT_TEST(ShouldObeyTimeThresholdMsWhenOverloaded) {
+        TFixture test{DroppingSettings(5000)};
+
+        TVector<TString> messages;
+        auto acceptWrites = [&] (const TLogRecord& r) {
+            messages.emplace_back(r.Data, r.Len);
+        };
+
+        test.LogBackend->SetWriteImpl(acceptWrites);
+        test.Wakeup();
+
+        const auto COUNT = 11;
+        for (auto i = 0; i < COUNT; ++i) {
+            test.WriteLog();
+        }
+
+        UNIT_ASSERT_VALUES_EQUAL(messages.size(), COUNT);
+
+        test.Runtime.AdvanceCurrentTime(TDuration::Seconds(20));
+        auto now = test.Runtime.GetCurrentTime();
+
+        test.WriteLog(now - TDuration::Seconds(5));
+
+        UNIT_ASSERT_VALUES_EQUAL(messages.size(), COUNT + 1);
+
+        test.WriteLog(now - TDuration::Seconds(6));
+
+        UNIT_ASSERT_VALUES_EQUAL(messages.size(), COUNT + 1);
+    }
 }
diff --git a/library/cpp/actors/core/mon.h b/library/cpp/actors/core/mon.h
index 3854356fa8..c450f2338e 100644
--- a/library/cpp/actors/core/mon.h
+++ b/library/cpp/actors/core/mon.h
@@ -88,14 +88,14 @@ namespace NActors {
             {
             }
 
-            TEvRemoteHttpInfo(const TString& query, HTTP_METHOD method) 
-                : Query(query) 
-                , Method(method) 
-            { 
-            } 
- 
+            TEvRemoteHttpInfo(const TString& query, HTTP_METHOD method)
+                : Query(query)
+                , Method(method)
+            {
+            }
+
             TString Query;
-            HTTP_METHOD Method; 
+            HTTP_METHOD Method;
 
             TString PathInfo() const {
                 const size_t pos = Query.find('?');
@@ -126,11 +126,11 @@ namespace NActors {
             static IEventBase* Load(TEventSerializedData* bufs) {
                 return new TEvRemoteHttpInfo(bufs->GetString());
             }
- 
-            HTTP_METHOD GetMethod() const 
-            { 
-                return Method; 
-            } 
+
+            HTTP_METHOD GetMethod() const
+            {
+                return Method;
+            }
         };
 
         struct TEvRemoteHttpInfoRes: public NActors::TEventBase<TEvRemoteHttpInfoRes, RemoteHttpInfoRes> {
diff --git a/library/cpp/logger/system.cpp b/library/cpp/logger/system.cpp
index 172719c716..42233f63d2 100644
--- a/library/cpp/logger/system.cpp
+++ b/library/cpp/logger/system.cpp
@@ -4,7 +4,7 @@
 #include <util/system/yassert.h>
 #include <util/system/defaults.h>
 #include <util/generic/singleton.h>
-#include <util/generic/utility.h> 
+#include <util/generic/utility.h>
 
 #if defined(_unix_)
 #include <syslog.h>
@@ -64,12 +64,12 @@ void TSysLogBackend::ReopenLog() {
 }
 
 int TSysLogBackend::ELogPriority2SyslogPriority(ELogPriority priority) {
-#if defined(_unix_) 
-     return Min(int(priority), (int)LOG_PRIMASK); 
-#else 
+#if defined(_unix_)
+     return Min(int(priority), (int)LOG_PRIMASK);
+#else
     // trivial conversion
     return int(priority);
-#endif 
+#endif
 }
 
 namespace {
diff --git a/library/cpp/lwtrace/control.cpp b/library/cpp/lwtrace/control.cpp
index ffed939922..d9404ff269 100644
--- a/library/cpp/lwtrace/control.cpp
+++ b/library/cpp/lwtrace/control.cpp
@@ -1,97 +1,97 @@
-#include "probes.h" 
- 
-#include <library/cpp/lwtrace/protos/lwtrace.pb.h> 
- 
-#include <util/generic/string.h> 
- 
-namespace NLWTrace { 
- 
-LWTRACE_USING(LWTRACE_INTERNAL_PROVIDER); 
- 
-TProbeMap TManager::GetProbesMap() { 
-    class TProbeReader 
-    { 
-    private: 
-        TProbeMap& Result; 
- 
-    public: 
-        TProbeReader(TProbeMap& result) 
-            : Result(result) 
-        {} 
- 
-        void Push(NLWTrace::TProbe* probe) 
-        { 
-            Result[std::make_pair(probe->Event.Name, probe->Event.GetProvider())] = probe; 
-        } 
-    }; 
- 
-    TProbeMap result; 
- 
-    auto reader = TProbeReader(result); 
-    ReadProbes(reader); 
-    return result; 
-} 
- 
-void TManager::CreateTraceRequest(TTraceRequest& msg, TOrbit& orbit) 
-{ 
-    msg.SetIsTraced(orbit.HasShuttles()); 
-} 
- 
-bool TManager::HandleTraceRequest( 
-    const TTraceRequest& msg, 
-    TOrbit& orbit) 
-{ 
-    if (!msg.GetIsTraced()) { 
-        return false; 
-    } 
-    TParams params; 
-    SerializingExecutor->Execute(orbit, params); 
-    return true; 
-} 
- 
-TTraceDeserializeStatus TManager::HandleTraceResponse( 
-    const TTraceResponse& msg, 
-    const TProbeMap& probesMap, 
-    TOrbit& orbit, 
-    i64 timeOffset, 
-    double timeScale) 
-{ 
-    TTraceDeserializeStatus result; 
-    if (!msg.GetTrace().GetEvents().size()) { 
-        return result; 
-    } 
- 
-    ui64 prev = EpochNanosecondsToCycles( 
-        msg.GetTrace().GetEvents()[0].GetTimestampNanosec()); 
- 
-    for (auto& v : msg.GetTrace().GetEvents()) { 
-        auto it = probesMap.find(std::make_pair(v.GetName(), v.GetProvider())); 
-        if (it != probesMap.end()) { 
-            TProbe* probe = it->second; 
-            TParams params; 
-            if(!probe->Event.Signature.DeserializeFromPb(params, v.GetParams())) { 
-                LWTRACK(DeserializationError, orbit, probe->Event.Name, probe->Event.GetProvider()); 
-                result.AddFailedEventName(v.GetName()); 
-            } else { 
-                ui64 timestamp = EpochNanosecondsToCycles(v.GetTimestampNanosec()); 
-                orbit.AddProbe( 
-                    probe, 
-                    params, 
-                    prev + (timestamp-prev)*timeScale + timeOffset); 
-                probe->Event.Signature.DestroyParams(params); 
-                prev = timestamp; 
-            } 
-        } else { 
-            result.AddFailedEventName(v.GetName()); 
-        } 
-    } 
-    return result; 
-} 
- 
-void TManager::CreateTraceResponse(TTraceResponse& msg, TOrbit& orbit) 
-{ 
-    orbit.Serialize(0, *msg.MutableTrace()); 
-} 
- 
-} 
- 
+#include "probes.h"
+
+#include <library/cpp/lwtrace/protos/lwtrace.pb.h>
+
+#include <util/generic/string.h>
+
+namespace NLWTrace {
+
+LWTRACE_USING(LWTRACE_INTERNAL_PROVIDER);
+
+TProbeMap TManager::GetProbesMap() {
+    class TProbeReader
+    {
+    private:
+        TProbeMap& Result;
+
+    public:
+        TProbeReader(TProbeMap& result)
+            : Result(result)
+        {}
+
+        void Push(NLWTrace::TProbe* probe)
+        {
+            Result[std::make_pair(probe->Event.Name, probe->Event.GetProvider())] = probe;
+        }
+    };
+
+    TProbeMap result;
+
+    auto reader = TProbeReader(result);
+    ReadProbes(reader);
+    return result;
+}
+
+void TManager::CreateTraceRequest(TTraceRequest& msg, TOrbit& orbit)
+{
+    msg.SetIsTraced(orbit.HasShuttles());
+}
+
+bool TManager::HandleTraceRequest(
+    const TTraceRequest& msg,
+    TOrbit& orbit)
+{
+    if (!msg.GetIsTraced()) {
+        return false;
+    }
+    TParams params;
+    SerializingExecutor->Execute(orbit, params);
+    return true;
+}
+
+TTraceDeserializeStatus TManager::HandleTraceResponse(
+    const TTraceResponse& msg,
+    const TProbeMap& probesMap,
+    TOrbit& orbit,
+    i64 timeOffset,
+    double timeScale)
+{
+    TTraceDeserializeStatus result;
+    if (!msg.GetTrace().GetEvents().size()) {
+        return result;
+    }
+
+    ui64 prev = EpochNanosecondsToCycles(
+        msg.GetTrace().GetEvents()[0].GetTimestampNanosec());
+
+    for (auto& v : msg.GetTrace().GetEvents()) {
+        auto it = probesMap.find(std::make_pair(v.GetName(), v.GetProvider()));
+        if (it != probesMap.end()) {
+            TProbe* probe = it->second;
+            TParams params;
+            if(!probe->Event.Signature.DeserializeFromPb(params, v.GetParams())) {
+                LWTRACK(DeserializationError, orbit, probe->Event.Name, probe->Event.GetProvider());
+                result.AddFailedEventName(v.GetName());
+            } else {
+                ui64 timestamp = EpochNanosecondsToCycles(v.GetTimestampNanosec());
+                orbit.AddProbe(
+                    probe,
+                    params,
+                    prev + (timestamp-prev)*timeScale + timeOffset);
+                probe->Event.Signature.DestroyParams(params);
+                prev = timestamp;
+            }
+        } else {
+            result.AddFailedEventName(v.GetName());
+        }
+    }
+    return result;
+}
+
+void TManager::CreateTraceResponse(TTraceResponse& msg, TOrbit& orbit)
+{
+    orbit.Serialize(0, *msg.MutableTrace());
+}
+
+}
+
diff --git a/library/cpp/lwtrace/control.h b/library/cpp/lwtrace/control.h
index b85e8468be..16b24eafd2 100644
--- a/library/cpp/lwtrace/control.h
+++ b/library/cpp/lwtrace/control.h
@@ -3,7 +3,7 @@
 #include "custom_action.h"
 #include "event.h"
 #include "log.h"
-#include "log_shuttle.h" 
+#include "log_shuttle.h"
 #include "probe.h"
 
 #include <library/cpp/lwtrace/protos/lwtrace.pb.h>
@@ -18,9 +18,9 @@
 #include <util/generic/vector.h>
 
 namespace NLWTrace {
- 
-    using TProbeMap = THashMap<std::pair<TString, TString>, TProbe*>; 
- 
+
+    using TProbeMap = THashMap<std::pair<TString, TString>, TProbe*>;
+
     // Interface for probe ownership management
     class IBox: public virtual TThrRefBase {
     private:
@@ -203,38 +203,38 @@ namespace NLWTrace {
         void ToProtobuf(TLogPb& pb) const;
     };
 
-    // Deserialization result. 
-    // Either IsSuccess is true or FailedEventNames contains event names 
-    // we were not able to deserialize. 
-    struct TTraceDeserializeStatus 
-    { 
-        bool IsSuccess = true; 
-        TVector<TString> FailedEventNames; 
- 
-        void AddFailedEventName(const TString& name) 
-        { 
-            IsSuccess = false; 
-            FailedEventNames.emplace_back(name); 
-        } 
-    }; 
- 
+    // Deserialization result.
+    // Either IsSuccess is true or FailedEventNames contains event names
+    // we were not able to deserialize.
+    struct TTraceDeserializeStatus
+    {
+        bool IsSuccess = true;
+        TVector<TString> FailedEventNames;
+
+        void AddFailedEventName(const TString& name)
+        {
+            IsSuccess = false;
+            FailedEventNames.emplace_back(name);
+        }
+    };
+
     // 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; 
+        ui64 LastTraceIdx = 1;
         typedef THashMap<TString, TSession*> TTraces; // traceId -> TSession
         TTraces Traces;
         bool DestructiveActionsAllowed;
         TCustomActionFactory CustomActionFactory;
-        THolder<TRunLogShuttleActionExecutor<TCyclicDepot>> SerializingExecutor; 
+        THolder<TRunLogShuttleActionExecutor<TCyclicDepot>> SerializingExecutor;
+
+    public:
+        static constexpr ui64 RemoteTraceIdx = 0;
 
     public:
-        static constexpr ui64 RemoteTraceIdx = 0; 
- 
-    public: 
         TManager(TProbeRegistry& registry, bool allowDestructiveActions);
         ~TManager();
         bool HasTrace(const TString& id) const;
@@ -324,28 +324,28 @@ namespace NLWTrace {
                 return new T(probe, action, trace);
             });
         }
- 
-        TProbeMap GetProbesMap(); 
- 
-        void CreateTraceRequest(TTraceRequest& msg, TOrbit& orbit); 
- 
-        bool HandleTraceRequest( 
-            const TTraceRequest& msg, 
-            TOrbit& orbit); 
- 
-        TTraceDeserializeStatus HandleTraceResponse( 
-            const TTraceResponse& msg, 
-            const TProbeMap& probesMap, 
-            TOrbit& orbit, 
-            i64 timeOffset = 0, 
-            double timeScale = 1); 
- 
-        void CreateTraceResponse( 
-            TTraceResponse& msg, 
-            TOrbit& orbit); 
- 
-        bool IsTraced(TOrbit& orbit) { 
-            return orbit.HasShuttle(TManager::RemoteTraceIdx); 
-        } 
+
+        TProbeMap GetProbesMap();
+
+        void CreateTraceRequest(TTraceRequest& msg, TOrbit& orbit);
+
+        bool HandleTraceRequest(
+            const TTraceRequest& msg,
+            TOrbit& orbit);
+
+        TTraceDeserializeStatus HandleTraceResponse(
+            const TTraceResponse& msg,
+            const TProbeMap& probesMap,
+            TOrbit& orbit,
+            i64 timeOffset = 0,
+            double timeScale = 1);
+
+        void CreateTraceResponse(
+            TTraceResponse& msg,
+            TOrbit& orbit);
+
+        bool IsTraced(TOrbit& orbit) {
+            return orbit.HasShuttle(TManager::RemoteTraceIdx);
+        }
     };
 }
diff --git a/library/cpp/lwtrace/log_shuttle.h b/library/cpp/lwtrace/log_shuttle.h
index d3d5fe0bde..729a38615f 100644
--- a/library/cpp/lwtrace/log_shuttle.h
+++ b/library/cpp/lwtrace/log_shuttle.h
@@ -3,8 +3,8 @@
 #include "log.h"
 #include "probe.h"
 
-#include <library/cpp/lwtrace/protos/lwtrace.pb.h> 
- 
+#include <library/cpp/lwtrace/protos/lwtrace.pb.h>
+
 #include <util/system/spinlock.h>
 
 namespace NLWTrace {
@@ -14,35 +14,35 @@ namespace NLWTrace {
     ////////////////////////////////////////////////////////////////////////////////
 
     struct THostTimeCalculator {
-        double K = 0; 
-        ui64 B = 0; 
- 
+        double K = 0;
+        ui64 B = 0;
+
         THostTimeCalculator() {
-            TInstant now = TInstant::Now(); 
-            ui64 tsNow = GetCycleCount(); 
-            K = 1000000000 / NHPTimer::GetClockRate(); 
-            B = now.NanoSeconds() - K * tsNow; 
-        } 
- 
+            TInstant now = TInstant::Now();
+            ui64 tsNow = GetCycleCount();
+            K = 1000000000 / NHPTimer::GetClockRate();
+            B = now.NanoSeconds() - K * tsNow;
+        }
+
         ui64 CyclesToEpochNanoseconds(ui64 cycles) const {
-            return K*cycles + B; 
-        } 
- 
+            return K*cycles + B;
+        }
+
         ui64 EpochNanosecondsToCycles(ui64 ns) const {
-            return (ns - B) / K; 
-        } 
-    }; 
- 
+            return (ns - B) / K;
+        }
+    };
+
     inline ui64 CyclesToEpochNanoseconds(ui64 cycles) {
-        return Singleton<THostTimeCalculator>()->CyclesToEpochNanoseconds(cycles); 
-    } 
- 
+        return Singleton<THostTimeCalculator>()->CyclesToEpochNanoseconds(cycles);
+    }
+
     inline ui64 EpochNanosecondsToCycles(ui64 ns) {
-        return Singleton<THostTimeCalculator>()->EpochNanosecondsToCycles(ns); 
-    } 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
- 
+        return Singleton<THostTimeCalculator>()->EpochNanosecondsToCycles(ns);
+    }
+
+    ////////////////////////////////////////////////////////////////////////////////
+
     template <class TDepot>
     class TLogShuttle: public IShuttle {
     private:
@@ -62,10 +62,10 @@ namespace NLWTrace {
         {
         }
 
-        bool DoAddProbe(TProbe* probe, const TParams& params, ui64 timestamp) override; 
+        bool DoAddProbe(TProbe* probe, const TParams& params, ui64 timestamp) override;
         void DoEndOfTrack() override;
         void DoDrop() override;
-        void DoSerialize(TShuttleTrace& msg) override; 
+        void DoSerialize(TShuttleTrace& msg) override;
         bool DoFork(TShuttlePtr& child) override;
         bool DoJoin(const TShuttlePtr& child) override;
 
@@ -155,7 +155,7 @@ namespace NLWTrace {
     ////////////////////////////////////////////////////////////////////////////////
 
     template <class TDepot>
-    bool TLogShuttle<TDepot>::DoAddProbe(TProbe* probe, const TParams& params, ui64 timestamp) { 
+    bool TLogShuttle<TDepot>::DoAddProbe(TProbe* probe, const TParams& params, ui64 timestamp) {
         with_lock (Lock) {
             if (TrackLog.Items.size() >= MaxTrackLength) {
                 TrackLog.Truncated = true;
@@ -168,7 +168,7 @@ namespace NLWTrace {
             if ((item->SavedParamsCount = probe->Event.Signature.ParamCount) > 0) {
                 probe->Event.Signature.CloneParams(item->Params, params);
             }
-            item->TimestampCycles = timestamp ? timestamp : GetCycleCount(); 
+            item->TimestampCycles = timestamp ? timestamp : GetCycleCount();
         }
 
         return true;
@@ -204,25 +204,25 @@ namespace NLWTrace {
     }
 
     template <class TDepot>
-    void TLogShuttle<TDepot>::DoSerialize(TShuttleTrace& msg) 
-    { 
-        with_lock (Lock) 
-        { 
-            if (!GetTrackLog().Items.size()) { 
-                return ; 
-            } 
-            for (auto& record : GetTrackLog().Items) { 
-                auto *rec = msg.AddEvents(); 
-                rec->SetName(record.Probe->Event.Name); 
-                rec->SetProvider(record.Probe->Event.GetProvider()); 
-                rec->SetTimestampNanosec( 
-                    CyclesToEpochNanoseconds(record.TimestampCycles)); 
-                record.Probe->Event.Signature.SerializeToPb(record.Params, *rec->MutableParams()); 
-            } 
-        } 
-    } 
- 
-    template <class TDepot> 
+    void TLogShuttle<TDepot>::DoSerialize(TShuttleTrace& msg)
+    {
+        with_lock (Lock)
+        {
+            if (!GetTrackLog().Items.size()) {
+                return ;
+            }
+            for (auto& record : GetTrackLog().Items) {
+                auto *rec = msg.AddEvents();
+                rec->SetName(record.Probe->Event.Name);
+                rec->SetProvider(record.Probe->Event.GetProvider());
+                rec->SetTimestampNanosec(
+                    CyclesToEpochNanoseconds(record.TimestampCycles));
+                record.Probe->Event.Signature.SerializeToPb(record.Params, *rec->MutableParams());
+            }
+        }
+    }
+
+    template <class TDepot>
     TLogShuttle<TDepot>* TLogShuttleActionBase<TDepot>::Cast(const TShuttlePtr& shuttle) {
         return static_cast<TLogShuttle<TDepot>*>(shuttle.Get());
     }
@@ -247,7 +247,7 @@ namespace NLWTrace {
         , LastTrackId(lastTrackId)
         , LastSpanId(lastSpanId)
     {
-        ui64 size = Min<ui64>(Action.GetShuttlesCount() ? Action.GetShuttlesCount() : 1000, MaxShuttles); // Do not allow to allocate too much memory 
+        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++) {
@@ -283,9 +283,9 @@ namespace NLWTrace {
 
     template <class TDepot>
     void TRunLogShuttleActionExecutor<TDepot>::RecordShuttle(TLogShuttle<TDepot>* shuttle) {
-        if (Depot == nullptr) { 
-            return; 
-        } 
+        if (Depot == nullptr) {
+            return;
+        }
         typename TDepot::TAccessor a(*Depot);
         if (TTrackLog* trackLog = a.Add()) {
             *trackLog = shuttle->GetTrackLog();
diff --git a/library/cpp/lwtrace/lwprobe.h b/library/cpp/lwtrace/lwprobe.h
index 021a580b2e..801fc3861b 100644
--- a/library/cpp/lwtrace/lwprobe.h
+++ b/library/cpp/lwtrace/lwprobe.h
@@ -61,8 +61,8 @@ namespace NLWTrace {
             signature.SerializeParamsFunc = &TUsrSign::SerializeParams;
             signature.CloneParamsFunc = &TUsrSign::CloneParams;
             signature.DestroyParamsFunc = &TUsrSign::DestroyParams;
-            signature.SerializeToPbFunc = &TUsrSign::SerializeToPb; 
-            signature.DeserializeFromPbFunc = &TUsrSign::DeserializeFromPb; 
+            signature.SerializeToPbFunc = &TUsrSign::SerializeToPb;
+            signature.DeserializeFromPbFunc = &TUsrSign::DeserializeFromPb;
 
             // register probe in global registry
             Register(*Singleton<NLWTrace::TProbeRegistry>());
diff --git a/library/cpp/lwtrace/mon/mon_lwtrace.cpp b/library/cpp/lwtrace/mon/mon_lwtrace.cpp
index 4ca9ff15f0..a61ee9ce22 100644
--- a/library/cpp/lwtrace/mon/mon_lwtrace.cpp
+++ b/library/cpp/lwtrace/mon/mon_lwtrace.cpp
@@ -511,9 +511,9 @@ struct TAdHocTraceConfig {
             }
             auto block = Cfg.GetBlocks(blockIdx);
             auto pdesc = block.GetProbeDesc();
-            if (pdesc.GetProvider()) { 
+            if (pdesc.GetProvider()) {
                 ss << "." << pdesc.GetProvider() << "." << pdesc.GetName();
-            } else if (pdesc.GetGroup()) { 
+            } else if (pdesc.GetGroup()) {
                 ss << ".Group." << pdesc.GetGroup();
             }
             // TODO[serxa]: handle predicate
@@ -525,10 +525,10 @@ struct TAdHocTraceConfig {
                     if (ls.GetIgnore()) {
                         ss << "-i";
                     }
-                    if (ls.GetShuttlesCount()) { 
+                    if (ls.GetShuttlesCount()) {
                         ss << "-s" << ls.GetShuttlesCount();
                     }
-                    if (ls.GetMaxTrackLength()) { 
+                    if (ls.GetMaxTrackLength()) {
                         ss << "-t" << ls.GetMaxTrackLength();
                     }
                 } else if (action.HasEditLogShuttleAction()) {
@@ -542,10 +542,10 @@ struct TAdHocTraceConfig {
                 }
             }
         }
-        if (Cfg.GetPerThreadLogSize()) { 
+        if (Cfg.GetPerThreadLogSize()) {
             ss << ".l" << Cfg.GetPerThreadLogSize();
         }
-        if (Cfg.GetLogDurationUs()) { 
+        if (Cfg.GetLogDurationUs()) {
             ui64 logDurationUs = Cfg.GetLogDurationUs();
             if (logDurationUs % (60 * 1000 * 1000) == 0)
                 ss << ".d" << logDurationUs / (60 * 1000 * 1000) << "m";
diff --git a/library/cpp/lwtrace/preprocessor.h b/library/cpp/lwtrace/preprocessor.h
index 1945a55c18..40865467b2 100644
--- a/library/cpp/lwtrace/preprocessor.h
+++ b/library/cpp/lwtrace/preprocessor.h
@@ -172,9 +172,9 @@ namespace NLWTrace {
             /* 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\ 
+            /* 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
diff --git a/library/cpp/lwtrace/probes.h b/library/cpp/lwtrace/probes.h
index 4adcf7d00d..68810bd118 100644
--- a/library/cpp/lwtrace/probes.h
+++ b/library/cpp/lwtrace/probes.h
@@ -7,8 +7,8 @@
           TYPES(double, double, double, double),                         \
           NAMES("probeShare", "probeMinMs", "probeMaxMs", "probeAvgMs")) \
     PROBE(DeserializationError, GROUPS("LWTraceError"),                  \
-          TYPES(TString, TString),                                       \ 
-          NAMES("probeName", "providerName"))                            \ 
+          TYPES(TString, TString),                                       \
+          NAMES("probeName", "providerName"))                            \
     PROBE(Fork, GROUPS(),                                                \
           TYPES(ui64),                                                   \
           NAMES("spanId"))                                               \
diff --git a/library/cpp/lwtrace/protos/lwtrace.proto b/library/cpp/lwtrace/protos/lwtrace.proto
index bdf6551a48..0051095719 100644
--- a/library/cpp/lwtrace/protos/lwtrace.proto
+++ b/library/cpp/lwtrace/protos/lwtrace.proto
@@ -1,35 +1,35 @@
 /*
  * This file defines language for trace queries and serialization format for trace logs
  */
-syntax = "proto3"; 
- 
+syntax = "proto3";
+
 package NLWTrace;
 
-option go_package = "a.yandex-team.ru/library/cpp/lwtrace/protos"; 
- 
+option go_package = "a.yandex-team.ru/library/cpp/lwtrace/protos";
+
 message TProbeDesc {
-    string Name = 1; // Use either name+provider 
-    string Provider = 3; 
-    string Group = 2; // or group 
+    string Name = 1; // Use either name+provider
+    string Provider = 3;
+    string Group = 2; // or group
 }
 
 enum EOperatorType {
-    OT_EQ = 0; 
-    OT_NE = 1; 
-    OT_LT = 2; 
-    OT_LE = 3; 
-    OT_GT = 4; 
-    OT_GE = 5; 
+    OT_EQ = 0;
+    OT_NE = 1;
+    OT_LT = 2;
+    OT_LE = 3;
+    OT_GT = 4;
+    OT_GE = 5;
 }
 
 message TArgument {
-    string Param = 1; 
+    string Param = 1;
     bytes Value = 2;
-    string Variable = 3; 
+    string Variable = 3;
 }
 
 message TOperator {
-    EOperatorType Type = 1; 
+    EOperatorType Type = 1;
     repeated TArgument Argument = 8;
 }
 
@@ -39,9 +39,9 @@ message TPredicate {
 }
 
 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) 
+    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 {
@@ -51,72 +51,72 @@ message TKillAction {
 }
 
 message TSleepAction {
-    uint64 NanoSeconds = 1; 
+    uint64 NanoSeconds = 1;
 }
 
 message TCustomAction {
-    string Name = 1; 
+    string Name = 1;
     repeated string Opts = 2;
 }
 
 enum EStatementType {
-    ST_MOV = 0; 
-    ST_ADD = 1; 
-    ST_SUB = 2; 
-    ST_MUL = 3; 
-    ST_DIV = 4; 
-    ST_MOD = 5; 
-    ST_ADD_EQ = 6; 
-    ST_SUB_EQ = 7; 
-    ST_INC = 8; 
-    ST_DEC = 9; 
+    ST_MOV = 0;
+    ST_ADD = 1;
+    ST_SUB = 2;
+    ST_MUL = 3;
+    ST_DIV = 4;
+    ST_MOD = 5;
+    ST_ADD_EQ = 6;
+    ST_SUB_EQ = 7;
+    ST_INC = 8;
+    ST_DEC = 9;
 }
 
 message TStatementAction {
-    EStatementType Type = 1; 
+    EStatementType Type = 1;
     repeated TArgument Argument = 2;
 }
 
 message TRunLogShuttleAction {
-    bool Ignore = 1; 
-    uint64 ShuttlesCount = 2; 
-    uint64 MaxTrackLength = 3; 
+    bool Ignore = 1;
+    uint64 ShuttlesCount = 2;
+    uint64 MaxTrackLength = 3;
 }
 
 message TEditLogShuttleAction {
-    bool Ignore = 1; 
+    bool Ignore = 1;
 }
 
 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; 
+    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 {
-    TProbeDesc ProbeDesc = 1; 
-    TPredicate Predicate = 2; 
+    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)
-    uint32 PerThreadLogSize = 1; 
+    uint32 PerThreadLogSize = 1;
 
     // Hold events for last Duration microseconds
     // (If zero, than per-thread cyclic buffer will be used to store events)
-    uint64 LogDurationUs = 2; 
+    uint64 LogDurationUs = 2;
 
     repeated TBlock Blocks = 3;
 }
@@ -153,114 +153,114 @@ enum EParamTypePb {
 }
 
 message TEventPb {
-    string Name = 1; 
+    string Name = 1;
     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; 
+    uint64 Thread = 1;
+    string Name = 2;
+    string Provider = 3;
     repeated bytes Params = 4;
-    uint64 Timestamp = 5; // microseconds since epoch 
-    uint64 TimestampCycles = 6; // cycles since machine boot 
+    uint64 Timestamp = 5; // microseconds since epoch
+    uint64 TimestampCycles = 6; // cycles since machine boot
 }
 
 message TThreadLogPb {
-    uint64 ThreadId = 1; 
+    uint64 ThreadId = 1;
     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) 
+    string Name = 1;
+    string Description = 2;
+    uint64 EventsCount = 3;
+    uint64 CrtTime = 4; // Log creation time (seconds since epoch)
 
     // Traced host info
-    string Hostname = 101; 
+    string Hostname = 101;
 
     // Traced process info
-    string ProcessName = 201; 
+    string ProcessName = 201;
     bytes CommandLine = 202;
-    uint64 ProcessStartTime = 203; 
-    uint64 Pid = 204; 
-    string VersionInfo = 205; // Svn info 
+    uint64 ProcessStartTime = 203;
+    uint64 Pid = 204;
+    string VersionInfo = 205; // Svn info
 
     // Trace query and results
-    TQuery Query = 301; 
+    TQuery Query = 301;
     repeated TEventPb Events = 302;
     repeated TThreadLogPb ThreadLogs = 303;
 }
 
 message TShuttlePb {
     repeated TLogPb Parts = 1;
-    TQuery Query = 2; 
+    TQuery Query = 2;
 }
 
 message TOrbitPb {
     repeated TShuttlePb Shuttles = 1;
 }
- 
-//////////////////////////////////////////////////////////////////////////////// 
-// Trace parameter. 
- 
-message TTraceParam 
-{ 
-    // Value. 
-    oneof Value 
-    { 
-        int64  IntValue = 2; 
-        uint64 UintValue = 3; 
-        double DoubleValue = 4; 
+
+////////////////////////////////////////////////////////////////////////////////
+// Trace parameter.
+
+message TTraceParam
+{
+    // Value.
+    oneof Value
+    {
+        int64  IntValue = 2;
+        uint64 UintValue = 3;
+        double DoubleValue = 4;
         bytes StrValue = 5;
-    } 
-} 
- 
-//////////////////////////////////////////////////////////////////////////////// 
-// Trace Event . 
- 
-message TTraceEvent 
-{ 
-    // Probe name. 
-    string Name = 1; 
- 
-    // Provider name. 
-    string Provider = 2; 
- 
-    // Probe parameters. 
-    repeated TTraceParam Params = 3; 
- 
-    // Event timestamp in nanosec since epoch. 
-    uint64 TimestampNanosec = 4; 
-} 
- 
-//////////////////////////////////////////////////////////////////////////////// 
-// Shuttle trace . 
- 
-message TShuttleTrace 
-{ 
-    // Request events. 
-    repeated TTraceEvent Events = 1; 
-} 
- 
-//////////////////////////////////////////////////////////////////////////////// 
-// Trace request. 
- 
-message TTraceRequest 
-{ 
-    // trace id of remote trace session 
-    bool IsTraced = 1; 
-} 
- 
-//////////////////////////////////////////////////////////////////////////////// 
-// Trace response. 
- 
-message TTraceResponse 
-{ 
-    // traced events 
-    TShuttleTrace Trace = 1; 
-} 
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Trace Event .
+
+message TTraceEvent
+{
+    // Probe name.
+    string Name = 1;
+
+    // Provider name.
+    string Provider = 2;
+
+    // Probe parameters.
+    repeated TTraceParam Params = 3;
+
+    // Event timestamp in nanosec since epoch.
+    uint64 TimestampNanosec = 4;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Shuttle trace .
+
+message TShuttleTrace
+{
+    // Request events.
+    repeated TTraceEvent Events = 1;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Trace request.
+
+message TTraceRequest
+{
+    // trace id of remote trace session
+    bool IsTraced = 1;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Trace response.
+
+message TTraceResponse
+{
+    // traced events
+    TShuttleTrace Trace = 1;
+}
diff --git a/library/cpp/lwtrace/protos/ya.make b/library/cpp/lwtrace/protos/ya.make
index cefcadc853..503d5e515f 100644
--- a/library/cpp/lwtrace/protos/ya.make
+++ b/library/cpp/lwtrace/protos/ya.make
@@ -2,8 +2,8 @@ PROTO_LIBRARY()
 
 OWNER(serxa)
 
-INCLUDE_TAGS(GO_PROTO) 
- 
+INCLUDE_TAGS(GO_PROTO)
+
 SRCS(
     lwtrace.proto
 )
diff --git a/library/cpp/lwtrace/shuttle.h b/library/cpp/lwtrace/shuttle.h
index 14bf9e59f4..85c6e4da61 100644
--- a/library/cpp/lwtrace/shuttle.h
+++ b/library/cpp/lwtrace/shuttle.h
@@ -65,9 +65,9 @@ namespace NLWTrace {
                     AtomicSub(Status, 2);
                     return result;
                 }
-            } 
-        } 
- 
+            }
+        }
+
         template <class F>
         void UnlessDead(F func) {
             while (true) {
@@ -91,7 +91,7 @@ namespace NLWTrace {
         }
 
         // Returns false iff shuttle should be destroyed
-        bool AddProbe(TProbe* probe, const TParams& params, ui64 timestamp = 0) { 
+        bool AddProbe(TProbe* probe, const TParams& params, ui64 timestamp = 0) {
             return UnlessDead([&] {
                 return DoAddProbe(probe, params, timestamp);
             }, false);
@@ -161,10 +161,10 @@ namespace NLWTrace {
         }
 
     protected:
-        virtual bool DoAddProbe(TProbe* probe, const TParams& params, ui64 timestamp) = 0; 
+        virtual bool DoAddProbe(TProbe* probe, const TParams& params, ui64 timestamp) = 0;
         virtual void DoEndOfTrack() = 0;
         virtual void DoDrop() = 0;
-        virtual void DoSerialize(TShuttleTrace& msg) = 0; 
+        virtual void DoSerialize(TShuttleTrace& msg) = 0;
         virtual bool DoFork(TShuttlePtr& child) = 0;
         virtual bool DoJoin(const TShuttlePtr& child) = 0;
     };
@@ -227,7 +227,7 @@ namespace NLWTrace {
             });
         }
 
-        void AddProbe(TProbe* probe, const TParams& params, ui64 timestamp = 0) { 
+        void AddProbe(TProbe* probe, const TParams& params, ui64 timestamp = 0) {
             NotConcurrent([&] (TShuttlePtr& head) {
                 TShuttlePtr* ref = &head;
                 while (IShuttle* s = ref->Get()) {
@@ -253,14 +253,14 @@ namespace NLWTrace {
                 }
             });
         }
- 
+
         void Serialize(ui64 traceIdx, TShuttleTrace& msg) {
             ForEachShuttle(traceIdx, [&] (NLWTrace::IShuttle* shuttle) {
-                shuttle->Serialize(msg); 
-                return false; 
-            }); 
-        } 
- 
+                shuttle->Serialize(msg);
+                return false;
+            });
+        }
+
         bool HasShuttle(ui64 traceIdx) {
             return NotConcurrent([=] (TShuttlePtr& head) {
                 TShuttlePtr ref = head;
@@ -270,10 +270,10 @@ namespace NLWTrace {
                     } else {
                         ref = s->GetNext();
                     }
-                } 
+                }
                 return false;
             });
-        } 
+        }
 
         bool Fork(TOrbit& child) {
             return NotConcurrent([&] (TShuttlePtr& head) {
diff --git a/library/cpp/lwtrace/signature.h b/library/cpp/lwtrace/signature.h
index f5415998a9..868bd9bcf2 100644
--- a/library/cpp/lwtrace/signature.h
+++ b/library/cpp/lwtrace/signature.h
@@ -14,8 +14,8 @@
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/generated_enum_reflection.h>
 
-#include <library/cpp/lwtrace/protos/lwtrace.pb.h> 
- 
+#include <library/cpp/lwtrace/protos/lwtrace.pb.h>
+
 #include <type_traits>
 
 namespace NLWTrace {
@@ -390,8 +390,8 @@ namespace NLWTrace {
         TParam Param[LWTRACE_MAX_PARAMS];
     };
 
-    using TSerializedParams = google::protobuf::RepeatedPtrField<NLWTrace::TTraceParam>; 
- 
+    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 {
@@ -403,8 +403,8 @@ namespace NLWTrace {
         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); 
+        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 {
@@ -419,16 +419,16 @@ namespace NLWTrace {
             (*DestroyParamsFunc)(params);
         }
 
-        void SerializeToPb(const TParams& params, TSerializedParams& arr) const 
-        { 
-            (*SerializeToPbFunc)(params, arr); 
-        } 
- 
-        bool DeserializeFromPb(TParams& params, const TSerializedParams& arr) const 
-        { 
-            return (*DeserializeFromPbFunc)(params, arr); 
-        } 
- 
+        void SerializeToPb(const TParams& params, TSerializedParams& arr) const
+        {
+            (*SerializeToPbFunc)(params, arr);
+        }
+
+        bool DeserializeFromPb(TParams& params, const TSerializedParams& arr) const
+        {
+            return (*DeserializeFromPbFunc)(params, arr);
+        }
+
         void ToProtobuf(TEventPb& pb) const;
 
         size_t FindParamIndex(const TString& param) const {
@@ -564,118 +564,118 @@ namespace NLWTrace {
         }
     };
 
-    inline EParamTypePb ParamTypeToProtobuf(const char* paramType) { 
-#define FOREACH_PARAMTYPE_MACRO(n, t, v) \ 
-    if (strcmp(paramType, n) == 0) {     \ 
-        return PT_##v;                   \ 
-    }                                    \ 
-    /**/ 
-        FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO) 
-#undef FOREACH_PARAMTYPE_MACRO 
-        return PT_UNKNOWN; 
-    } 
- 
-    template <typename T> 
-    inline void SaveParamToPb(TSerializedParams& msg, const TParam& param); 
- 
-    template <> 
-    inline void SaveParamToPb<TNil>(TSerializedParams& msg, const TParam& param) 
-    { 
-        Y_UNUSED(msg); 
-        Y_UNUSED(param); 
-    } 
- 
-    template <> 
-    inline void SaveParamToPb<i64>(TSerializedParams& msg, const TParam& param) 
-    { 
-        msg.Add()->SetIntValue(param.Get<typename TParamTraits<i64>::TStoreType>()); 
-    } 
- 
-    template <> 
-    inline void SaveParamToPb<ui64>(TSerializedParams& msg, const TParam& param) 
-    { 
-        msg.Add()->SetUintValue(param.Get<typename TParamTraits<ui64>::TStoreType>()); 
-    } 
- 
-    template <> 
-    inline void SaveParamToPb<double>(TSerializedParams& msg, const TParam& param) 
-    { 
-        msg.Add()->SetDoubleValue(param.Get<typename TParamTraits<double>::TStoreType>()); 
-    } 
- 
-    template <> 
-    inline void SaveParamToPb<TString>(TSerializedParams& msg, const TParam& param) 
-    { 
-        msg.Add()->SetStrValue(param.Get<typename TParamTraits<TString>::TStoreType>()); 
-    } 
- 
-    template <> 
-    inline void SaveParamToPb<TSymbol>(TSerializedParams& msg, const TParam& param) 
-    { 
-        msg.Add()->SetStrValue(*param.Get<typename TParamTraits<TSymbol>::TStoreType>().Str); 
-    } 
- 
-    template <> 
-    inline void SaveParamToPb<TCheck>(TSerializedParams& msg, const TParam& param) 
-    { 
-        msg.Add()->SetIntValue(param.Get<typename TParamTraits<TCheck>::TStoreType>().Value); 
-    } 
- 
-    template <typename T> 
-    inline void LoadParamFromPb(const TTraceParam& msg, TParam& param); 
- 
-    template <> 
-    inline void LoadParamFromPb<i64>(const TTraceParam& msg, TParam& param) 
-    { 
-        param.DefaultConstruct<i64>(); 
-        param.Get<i64>() = msg.GetIntValue(); 
-    } 
- 
-    template <> 
-    inline void LoadParamFromPb<ui64>(const TTraceParam& msg, TParam& param) 
-    { 
-        param.DefaultConstruct<ui64>(); 
-        param.Get<ui64>() = msg.GetUintValue(); 
-    } 
- 
-    template <> 
-    inline void LoadParamFromPb<double>(const TTraceParam& msg, TParam& param) 
-    { 
-        param.DefaultConstruct<double>(); 
-        param.Get<double>() = msg.GetDoubleValue(); 
-    } 
- 
-    template <> 
-    inline void LoadParamFromPb<TCheck>(const TTraceParam& msg, TParam& param) 
-    { 
-        param.CopyConstruct<TCheck>(TCheck(msg.GetIntValue())); 
-    } 
- 
-    template <> 
-    inline void LoadParamFromPb<TSymbol>(const TTraceParam& msg, TParam& param) 
-    { 
-        Y_UNUSED(msg); 
-        Y_UNUSED(param); 
-        static TString unsupported("unsupported"); 
-        // so far TSymbol deserialization is not supported 
-        // since it is not used for probes, it is ok 
-        param.CopyConstruct<TSymbol>(TSymbol(&unsupported)); 
-    } 
- 
-    template <> 
-    inline void LoadParamFromPb<TString>(const TTraceParam& msg, TParam& param) 
-    { 
-        param.DefaultConstruct<TString>(); 
-        param.Get<TString>() = msg.GetStrValue(); 
-    } 
- 
-    template <> 
-    inline void LoadParamFromPb<TNil>(const TTraceParam& msg, TParam& param) 
-    { 
-        Y_UNUSED(msg); 
-        Y_UNUSED(param); 
-    } 
- 
+    inline EParamTypePb ParamTypeToProtobuf(const char* paramType) {
+#define FOREACH_PARAMTYPE_MACRO(n, t, v) \
+    if (strcmp(paramType, n) == 0) {     \
+        return PT_##v;                   \
+    }                                    \
+    /**/
+        FOREACH_PARAMTYPE(FOREACH_PARAMTYPE_MACRO)
+#undef FOREACH_PARAMTYPE_MACRO
+        return PT_UNKNOWN;
+    }
+
+    template <typename T>
+    inline void SaveParamToPb(TSerializedParams& msg, const TParam& param);
+
+    template <>
+    inline void SaveParamToPb<TNil>(TSerializedParams& msg, const TParam& param)
+    {
+        Y_UNUSED(msg);
+        Y_UNUSED(param);
+    }
+
+    template <>
+    inline void SaveParamToPb<i64>(TSerializedParams& msg, const TParam& param)
+    {
+        msg.Add()->SetIntValue(param.Get<typename TParamTraits<i64>::TStoreType>());
+    }
+
+    template <>
+    inline void SaveParamToPb<ui64>(TSerializedParams& msg, const TParam& param)
+    {
+        msg.Add()->SetUintValue(param.Get<typename TParamTraits<ui64>::TStoreType>());
+    }
+
+    template <>
+    inline void SaveParamToPb<double>(TSerializedParams& msg, const TParam& param)
+    {
+        msg.Add()->SetDoubleValue(param.Get<typename TParamTraits<double>::TStoreType>());
+    }
+
+    template <>
+    inline void SaveParamToPb<TString>(TSerializedParams& msg, const TParam& param)
+    {
+        msg.Add()->SetStrValue(param.Get<typename TParamTraits<TString>::TStoreType>());
+    }
+
+    template <>
+    inline void SaveParamToPb<TSymbol>(TSerializedParams& msg, const TParam& param)
+    {
+        msg.Add()->SetStrValue(*param.Get<typename TParamTraits<TSymbol>::TStoreType>().Str);
+    }
+
+    template <>
+    inline void SaveParamToPb<TCheck>(TSerializedParams& msg, const TParam& param)
+    {
+        msg.Add()->SetIntValue(param.Get<typename TParamTraits<TCheck>::TStoreType>().Value);
+    }
+
+    template <typename T>
+    inline void LoadParamFromPb(const TTraceParam& msg, TParam& param);
+
+    template <>
+    inline void LoadParamFromPb<i64>(const TTraceParam& msg, TParam& param)
+    {
+        param.DefaultConstruct<i64>();
+        param.Get<i64>() = msg.GetIntValue();
+    }
+
+    template <>
+    inline void LoadParamFromPb<ui64>(const TTraceParam& msg, TParam& param)
+    {
+        param.DefaultConstruct<ui64>();
+        param.Get<ui64>() = msg.GetUintValue();
+    }
+
+    template <>
+    inline void LoadParamFromPb<double>(const TTraceParam& msg, TParam& param)
+    {
+        param.DefaultConstruct<double>();
+        param.Get<double>() = msg.GetDoubleValue();
+    }
+
+    template <>
+    inline void LoadParamFromPb<TCheck>(const TTraceParam& msg, TParam& param)
+    {
+        param.CopyConstruct<TCheck>(TCheck(msg.GetIntValue()));
+    }
+
+    template <>
+    inline void LoadParamFromPb<TSymbol>(const TTraceParam& msg, TParam& param)
+    {
+        Y_UNUSED(msg);
+        Y_UNUSED(param);
+        static TString unsupported("unsupported");
+        // so far TSymbol deserialization is not supported
+        // since it is not used for probes, it is ok
+        param.CopyConstruct<TSymbol>(TSymbol(&unsupported));
+    }
+
+    template <>
+    inline void LoadParamFromPb<TString>(const TTraceParam& msg, TParam& param)
+    {
+        param.DefaultConstruct<TString>();
+        param.Get<TString>() = msg.GetStrValue();
+    }
+
+    template <>
+    inline void LoadParamFromPb<TNil>(const TTraceParam& msg, TParam& param)
+    {
+        Y_UNUSED(msg);
+        Y_UNUSED(param);
+    }
+
     // Class representing a specific signature
     template <LWTRACE_TEMPLATE_PARAMS>
     struct TUserSignature {
@@ -705,42 +705,42 @@ namespace NLWTrace {
             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) 
-        { 
-#define FOREACH_PARAMNUM_MACRO(i)                                              \ 
-    SaveParamToPb<typename TParamTraits<TP##i>::TStoreType>(                   \ 
-        arr,                                                                   \ 
-        params.Param[i]);                                                      \ 
-// FOREACH_PARAMNUM_MACRO 
-            FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO); 
-#undef FOREACH_PARAMNUM_MACRO 
-        } 
- 
-        // Implementation of virtual function (TSignature derived classes vtable emulation) 
-        inline static bool DeserializeFromPb(TParams& params, const TSerializedParams& arr) { 
-            if (arr.size() != ParamCount) { 
-                return false; 
-            } 
-            if (!ParamCount) { 
-                return true; 
-            } 
- 
-            int paramIdx = 0; 
-#define FOREACH_PARAMNUM_MACRO(i)                                              \ 
-    if (paramIdx >= arr.size()) {                                              \ 
-        return true;                                                           \ 
-    };                                                                         \ 
-    LoadParamFromPb<typename TParamTraits<TP##i>::TStoreType>(                 \ 
-        arr.Get(paramIdx),                                                     \ 
-        params.Param[paramIdx]);                                               \ 
-    ++paramIdx;                                                                \ 
-//  FOREACH_PARAMNUM_MACRO 
-            FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO); 
-#undef FOREACH_PARAMNUM_MACRO 
-            return true; 
-        } 
+
+        // Implementation of virtual function (TSignature derived classes vtable emulation)
+        inline static void SerializeToPb(const TParams& params, TSerializedParams& arr)
+        {
+#define FOREACH_PARAMNUM_MACRO(i)                                              \
+    SaveParamToPb<typename TParamTraits<TP##i>::TStoreType>(                   \
+        arr,                                                                   \
+        params.Param[i]);                                                      \
+// FOREACH_PARAMNUM_MACRO
+            FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO);
+#undef FOREACH_PARAMNUM_MACRO
+        }
+
+        // Implementation of virtual function (TSignature derived classes vtable emulation)
+        inline static bool DeserializeFromPb(TParams& params, const TSerializedParams& arr) {
+            if (arr.size() != ParamCount) {
+                return false;
+            }
+            if (!ParamCount) {
+                return true;
+            }
+
+            int paramIdx = 0;
+#define FOREACH_PARAMNUM_MACRO(i)                                              \
+    if (paramIdx >= arr.size()) {                                              \
+        return true;                                                           \
+    };                                                                         \
+    LoadParamFromPb<typename TParamTraits<TP##i>::TStoreType>(                 \
+        arr.Get(paramIdx),                                                     \
+        params.Param[paramIdx]);                                               \
+    ++paramIdx;                                                                \
+//  FOREACH_PARAMNUM_MACRO
+            FOREACH_PARAMNUM(FOREACH_PARAMNUM_MACRO);
+#undef FOREACH_PARAMNUM_MACRO
+            return true;
+        }
     };
 
     // Array of static strings pointers for names of parameter types in a specific signature
diff --git a/library/cpp/lwtrace/trace.cpp b/library/cpp/lwtrace/trace.cpp
index 1aee64a16f..3c974c85a0 100644
--- a/library/cpp/lwtrace/trace.cpp
+++ b/library/cpp/lwtrace/trace.cpp
@@ -432,9 +432,9 @@ namespace NLWTrace {
 
     public:
         TLogActionExecutor(TProbe* probe, const TLogAction& action, TLog* log)
-            : LogParams(!action.GetDoNotLogParams()) 
+            : LogParams(!action.GetDoNotLogParams())
             , LogTimestamp(action.GetLogTimestamp())
-            , MaxRecords(action.GetMaxRecords() ? new intptr_t(action.GetMaxRecords()) : nullptr) 
+            , MaxRecords(action.GetMaxRecords() ? new intptr_t(action.GetMaxRecords()) : nullptr)
             , Records(0)
             , Probe(probe)
             , Log(log)
@@ -475,11 +475,11 @@ namespace NLWTrace {
             const TArgument& arg = op.GetArgument(argumentIdx);
             TArgumentDescription operand;
             operand.ParamIdx = size_t(-1);
-            if (arg.GetVariable()) { 
+            if (arg.GetVariable()) {
                 operand.Type = OT_VARIABLE;
-            } else if (arg.GetValue()) { 
+            } else if (arg.GetValue()) {
                 operand.Type = OT_LITERAL;
-            } else if (arg.GetParam()) { 
+            } else if (arg.GetParam()) {
                 operand.Type = OT_PARAMETER;
                 operand.ParamIdx = signature.FindParamIndex(arg.GetParam());
                 if (operand.ParamIdx == size_t(-1)) {
@@ -672,7 +672,7 @@ namespace NLWTrace {
             } else if (action.HasSleepAction()) {
                 if (destructiveActionsAllowed) {
                     const TSleepAction& sleepAction = action.GetSleepAction();
-                    if (sleepAction.GetNanoSeconds()) { 
+                    if (sleepAction.GetNanoSeconds()) {
                         ui64 nanoSeconds = sleepAction.GetNanoSeconds();
                         actExec.Reset(new NPrivate::TSleepActionExecutor(probe, nanoSeconds));
                     } else {
@@ -858,9 +858,9 @@ namespace NLWTrace {
         , 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) 
+        , CyclicLog(query.GetPerThreadLogSize() ? query.GetPerThreadLogSize() : 1000)
         , DurationLog(StoreDuration)
-        , CyclicDepot(query.GetPerThreadLogSize() ? query.GetPerThreadLogSize() : 1000) 
+        , CyclicDepot(query.GetPerThreadLogSize() ? query.GetPerThreadLogSize() : 1000)
         , DurationDepot(StoreDuration)
         , LastTrackId(0)
         , LastSpanId(0)
@@ -879,7 +879,7 @@ namespace NLWTrace {
                     ythrow yexception() << "block #" << bi + 1 << " has no action";
                 }
                 const NProtoBuf::RepeatedPtrField<TAction>& actions = block.action();
-                if (pdesc.GetName() && pdesc.GetProvider()) { 
+                if (pdesc.GetName() && pdesc.GetProvider()) {
                     TProbeRegistry::TProbesAccessor probes(Registry);
                     bool found = false;
                     for (auto& kv : probes) {
@@ -894,7 +894,7 @@ namespace NLWTrace {
                         ythrow yexception() << "block #" << bi + 1 << " has no matching probe with name '"
                                             << pdesc.GetName() << "' provider '" << pdesc.GetProvider() << "'";
                     }
-                } else if (pdesc.GetGroup()) { 
+                } else if (pdesc.GetGroup()) {
                     bool found = false;
                     TProbeRegistry::TProbesAccessor probes(Registry);
                     for (auto& kv : probes) {
diff --git a/library/cpp/lwtrace/trace_ut.cpp b/library/cpp/lwtrace/trace_ut.cpp
index 5e1256585e..cb03e4fbde 100644
--- a/library/cpp/lwtrace/trace_ut.cpp
+++ b/library/cpp/lwtrace/trace_ut.cpp
@@ -16,17 +16,17 @@ enum class EEnumClass {
     ValueD,
 };
 
-#define LWTRACE_UT_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)                                          \ 
-    PROBE(NoParam, 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"))                          \ 
+#define LWTRACE_UT_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)                                          \
+    PROBE(NoParam, 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"))                          \
     PROBE(EnumParams, GROUPS("Group"), TYPES(ESimpleEnum, EEnumClass), NAMES("simpleEnum", "enumClass")) \
-    PROBE(InstantParam, GROUPS("Group"), TYPES(TInstant), NAMES("value"))                                \ 
-    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"))                   \ 
+    PROBE(InstantParam, GROUPS("Group"), TYPES(TInstant), NAMES("value"))                                \
+    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)
@@ -546,7 +546,7 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
         using TPbEnumTraits = TParamTraits<EOperatorType>;
         TString str;
         TPbEnumTraits::ToString(TPbEnumTraits::ToStoreType(OT_EQ), &str);
-        UNIT_ASSERT_STRINGS_EQUAL(str, "OT_EQ (0)"); 
+        UNIT_ASSERT_STRINGS_EQUAL(str, "OT_EQ (0)");
     }
 
     Y_UNIT_TEST(Track) {
@@ -581,164 +581,164 @@ Y_UNIT_TEST_SUITE(LWTraceTrace) {
         } reader;
         mngr.ReadDepot("Query1", reader);
     }
- 
-    Y_UNIT_TEST(ShouldSerializeTracks) 
-    { 
-        TManager manager(*Singleton<TProbeRegistry>(), false); 
- 
-        TOrbit orbit; 
-        TTraceRequest req; 
-        req.SetIsTraced(true); 
-        manager.HandleTraceRequest(req, orbit); 
- 
-        LWTRACK(NoParam, orbit); 
-        LWTRACK(IntParam, orbit, 1); 
-        LWTRACK(StringParam, orbit, "str"); 
-        LWTRACK(EnumParams, orbit, ValueA, EEnumClass::ValueC); 
-        LWTRACK(InstantParam, orbit, TInstant::Seconds(42)); 
-        LWTRACK(DurationParam, orbit, TDuration::MilliSeconds(146)); 
+
+    Y_UNIT_TEST(ShouldSerializeTracks)
+    {
+        TManager manager(*Singleton<TProbeRegistry>(), false);
+
+        TOrbit orbit;
+        TTraceRequest req;
+        req.SetIsTraced(true);
+        manager.HandleTraceRequest(req, orbit);
+
+        LWTRACK(NoParam, orbit);
+        LWTRACK(IntParam, orbit, 1);
+        LWTRACK(StringParam, orbit, "str");
+        LWTRACK(EnumParams, orbit, ValueA, EEnumClass::ValueC);
+        LWTRACK(InstantParam, orbit, TInstant::Seconds(42));
+        LWTRACK(DurationParam, orbit, TDuration::MilliSeconds(146));
         LWTRACK(ProtoEnum, orbit, OT_EQ);
-        LWTRACK(IntIntParams, orbit, 1, 2); 
- 
-        TTraceResponse resp; 
-        orbit.Serialize(0, *resp.MutableTrace()); 
-        auto& r = resp.GetTrace(); 
- 
-        UNIT_ASSERT_VALUES_EQUAL(8, r.EventsSize()); 
- 
-        const auto& p0 = r.GetEvents(0); 
-        UNIT_ASSERT_VALUES_EQUAL("NoParam", p0.GetName()); 
-        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p0.GetProvider()); 
-        UNIT_ASSERT_VALUES_EQUAL(0 , p0.ParamsSize()); 
- 
-        const auto& p1 = r.GetEvents(1); 
-        UNIT_ASSERT_VALUES_EQUAL("IntParam", p1.GetName()); 
-        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p1.GetProvider()); 
-        UNIT_ASSERT_VALUES_EQUAL(1, p1.GetParams(0).GetUintValue()); 
- 
-        const auto& p2 = r.GetEvents(2); 
-        UNIT_ASSERT_VALUES_EQUAL("StringParam", p2.GetName()); 
-        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p2.GetProvider()); 
-        UNIT_ASSERT_VALUES_EQUAL("str", p2.GetParams(0).GetStrValue()); 
- 
-        const auto& p3 = r.GetEvents(3); 
-        UNIT_ASSERT_VALUES_EQUAL("EnumParams", p3.GetName()); 
-        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p3.GetProvider()); 
-        UNIT_ASSERT_VALUES_EQUAL((ui32)ValueA, p3.GetParams(0).GetIntValue()); 
-        UNIT_ASSERT_VALUES_EQUAL((ui32)EEnumClass::ValueC, p3.GetParams(1).GetIntValue()); 
- 
-        const auto& p4 = r.GetEvents(4); 
-        UNIT_ASSERT_VALUES_EQUAL("InstantParam", p4.GetName()); 
-        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p4.GetProvider()); 
-        UNIT_ASSERT_VALUES_EQUAL(42, p4.GetParams(0).GetDoubleValue()); 
- 
-        const auto& p5 = r.GetEvents(5); 
-        UNIT_ASSERT_VALUES_EQUAL("DurationParam", p5.GetName()); 
-        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p5.GetProvider()); 
-        UNIT_ASSERT_VALUES_EQUAL(146, p5.GetParams(0).GetDoubleValue()); 
- 
-        const auto& p6 = r.GetEvents(6); 
-        UNIT_ASSERT_VALUES_EQUAL("ProtoEnum", p6.GetName()); 
-        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p6.GetProvider()); 
+        LWTRACK(IntIntParams, orbit, 1, 2);
+
+        TTraceResponse resp;
+        orbit.Serialize(0, *resp.MutableTrace());
+        auto& r = resp.GetTrace();
+
+        UNIT_ASSERT_VALUES_EQUAL(8, r.EventsSize());
+
+        const auto& p0 = r.GetEvents(0);
+        UNIT_ASSERT_VALUES_EQUAL("NoParam", p0.GetName());
+        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p0.GetProvider());
+        UNIT_ASSERT_VALUES_EQUAL(0 , p0.ParamsSize());
+
+        const auto& p1 = r.GetEvents(1);
+        UNIT_ASSERT_VALUES_EQUAL("IntParam", p1.GetName());
+        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p1.GetProvider());
+        UNIT_ASSERT_VALUES_EQUAL(1, p1.GetParams(0).GetUintValue());
+
+        const auto& p2 = r.GetEvents(2);
+        UNIT_ASSERT_VALUES_EQUAL("StringParam", p2.GetName());
+        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p2.GetProvider());
+        UNIT_ASSERT_VALUES_EQUAL("str", p2.GetParams(0).GetStrValue());
+
+        const auto& p3 = r.GetEvents(3);
+        UNIT_ASSERT_VALUES_EQUAL("EnumParams", p3.GetName());
+        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p3.GetProvider());
+        UNIT_ASSERT_VALUES_EQUAL((ui32)ValueA, p3.GetParams(0).GetIntValue());
+        UNIT_ASSERT_VALUES_EQUAL((ui32)EEnumClass::ValueC, p3.GetParams(1).GetIntValue());
+
+        const auto& p4 = r.GetEvents(4);
+        UNIT_ASSERT_VALUES_EQUAL("InstantParam", p4.GetName());
+        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p4.GetProvider());
+        UNIT_ASSERT_VALUES_EQUAL(42, p4.GetParams(0).GetDoubleValue());
+
+        const auto& p5 = r.GetEvents(5);
+        UNIT_ASSERT_VALUES_EQUAL("DurationParam", p5.GetName());
+        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p5.GetProvider());
+        UNIT_ASSERT_VALUES_EQUAL(146, p5.GetParams(0).GetDoubleValue());
+
+        const auto& p6 = r.GetEvents(6);
+        UNIT_ASSERT_VALUES_EQUAL("ProtoEnum", p6.GetName());
+        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p6.GetProvider());
         UNIT_ASSERT_VALUES_EQUAL((int)OT_EQ, p6.GetParams(0).GetIntValue());
- 
-        const auto& p7 = r.GetEvents(7); 
-        UNIT_ASSERT_VALUES_EQUAL("IntIntParams", p7.GetName()); 
-        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p7.GetProvider()); 
-        UNIT_ASSERT_VALUES_EQUAL(1, p7.GetParams(0).GetUintValue()); 
-        UNIT_ASSERT_VALUES_EQUAL(2, p7.GetParams(1).GetUintValue()); 
-    } 
- 
-    Y_UNIT_TEST(ShouldDeserializeTracks) 
-    { 
-        TManager manager(*Singleton<TProbeRegistry>(), false); 
- 
-        TTraceResponse resp; 
-        auto& r = *resp.MutableTrace()->MutableEvents(); 
- 
-        auto& p0 = *r.Add(); 
-        p0.SetName("NoParam"); 
-        p0.SetProvider("LWTRACE_UT_PROVIDER"); 
- 
-        auto& p1 = *r.Add(); 
-        p1.SetName("IntParam"); 
-        p1.SetProvider("LWTRACE_UT_PROVIDER"); 
-        auto& p1param = *p1.MutableParams()->Add(); 
-        p1param.SetUintValue(1); 
- 
-        auto& p2 = *r.Add(); 
-        p2.SetName("StringParam"); 
-        p2.SetProvider("LWTRACE_UT_PROVIDER"); 
-        auto& p2param = *p2.MutableParams()->Add(); 
-        p2param.SetStrValue("str"); 
- 
-        auto& p3 = *r.Add(); 
-        p3.SetName("EnumParams"); 
-        p3.SetProvider("LWTRACE_UT_PROVIDER"); 
-        auto& p3param1 = *p3.MutableParams()->Add(); 
-        p3param1.SetUintValue((ui64)EEnumClass::ValueC); 
-        auto& p3param2 = *p3.MutableParams()->Add(); 
-        p3param2.SetIntValue((ui64)EEnumClass::ValueC); 
- 
-        auto& p4 = *r.Add(); 
-        p4.SetName("InstantParam"); 
-        p4.SetProvider("LWTRACE_UT_PROVIDER"); 
-        auto& p4param = *p4.MutableParams()->Add(); 
-        p4param.SetDoubleValue(42); 
- 
-        auto& p5 = *r.Add(); 
-        p5.SetName("DurationParam"); 
-        p5.SetProvider("LWTRACE_UT_PROVIDER"); 
-        auto& p5param = *p5.MutableParams()->Add(); 
-        p5param.SetDoubleValue(146); 
- 
-        auto& p6 = *r.Add(); 
-        p6.SetName("ProtoEnum"); 
-        p6.SetProvider("LWTRACE_UT_PROVIDER"); 
-        auto& p6param = *p6.MutableParams()->Add(); 
+
+        const auto& p7 = r.GetEvents(7);
+        UNIT_ASSERT_VALUES_EQUAL("IntIntParams", p7.GetName());
+        UNIT_ASSERT_VALUES_EQUAL("LWTRACE_UT_PROVIDER", p7.GetProvider());
+        UNIT_ASSERT_VALUES_EQUAL(1, p7.GetParams(0).GetUintValue());
+        UNIT_ASSERT_VALUES_EQUAL(2, p7.GetParams(1).GetUintValue());
+    }
+
+    Y_UNIT_TEST(ShouldDeserializeTracks)
+    {
+        TManager manager(*Singleton<TProbeRegistry>(), false);
+
+        TTraceResponse resp;
+        auto& r = *resp.MutableTrace()->MutableEvents();
+
+        auto& p0 = *r.Add();
+        p0.SetName("NoParam");
+        p0.SetProvider("LWTRACE_UT_PROVIDER");
+
+        auto& p1 = *r.Add();
+        p1.SetName("IntParam");
+        p1.SetProvider("LWTRACE_UT_PROVIDER");
+        auto& p1param = *p1.MutableParams()->Add();
+        p1param.SetUintValue(1);
+
+        auto& p2 = *r.Add();
+        p2.SetName("StringParam");
+        p2.SetProvider("LWTRACE_UT_PROVIDER");
+        auto& p2param = *p2.MutableParams()->Add();
+        p2param.SetStrValue("str");
+
+        auto& p3 = *r.Add();
+        p3.SetName("EnumParams");
+        p3.SetProvider("LWTRACE_UT_PROVIDER");
+        auto& p3param1 = *p3.MutableParams()->Add();
+        p3param1.SetUintValue((ui64)EEnumClass::ValueC);
+        auto& p3param2 = *p3.MutableParams()->Add();
+        p3param2.SetIntValue((ui64)EEnumClass::ValueC);
+
+        auto& p4 = *r.Add();
+        p4.SetName("InstantParam");
+        p4.SetProvider("LWTRACE_UT_PROVIDER");
+        auto& p4param = *p4.MutableParams()->Add();
+        p4param.SetDoubleValue(42);
+
+        auto& p5 = *r.Add();
+        p5.SetName("DurationParam");
+        p5.SetProvider("LWTRACE_UT_PROVIDER");
+        auto& p5param = *p5.MutableParams()->Add();
+        p5param.SetDoubleValue(146);
+
+        auto& p6 = *r.Add();
+        p6.SetName("ProtoEnum");
+        p6.SetProvider("LWTRACE_UT_PROVIDER");
+        auto& p6param = *p6.MutableParams()->Add();
         p6param.SetIntValue((i64)OT_EQ);
- 
-        auto& p7 = *r.Add(); 
-        p7.SetName("IntIntParams"); 
-        p7.SetProvider("LWTRACE_UT_PROVIDER"); 
-        auto& p7param1 = *p7.MutableParams()->Add(); 
-        p7param1.SetIntValue(1); 
-        auto& p7param2 = *p7.MutableParams()->Add(); 
-        p7param2.SetIntValue(2); 
- 
-        TOrbit orbit; 
-        UNIT_ASSERT_VALUES_EQUAL( 
-            manager.HandleTraceResponse(resp, manager.GetProbesMap(), orbit).IsSuccess, 
-            true); 
-    } 
- 
-    Y_UNIT_TEST(ShouldDeserializeWhatSerialized) 
-    { 
-        TManager manager(*Singleton<TProbeRegistry>(), false); 
- 
-        TOrbit orbit; 
-        TTraceRequest req; 
-        req.SetIsTraced(true); 
-        manager.HandleTraceRequest(req, orbit); 
- 
-        LWTRACK(NoParam, orbit); 
-        LWTRACK(IntParam, orbit, 1); 
-        LWTRACK(StringParam, orbit, "str"); 
-        LWTRACK(EnumParams, orbit, ValueA, EEnumClass::ValueC); 
-        LWTRACK(InstantParam, orbit, TInstant::Seconds(42)); 
-        LWTRACK(DurationParam, orbit, TDuration::MilliSeconds(146)); 
+
+        auto& p7 = *r.Add();
+        p7.SetName("IntIntParams");
+        p7.SetProvider("LWTRACE_UT_PROVIDER");
+        auto& p7param1 = *p7.MutableParams()->Add();
+        p7param1.SetIntValue(1);
+        auto& p7param2 = *p7.MutableParams()->Add();
+        p7param2.SetIntValue(2);
+
+        TOrbit orbit;
+        UNIT_ASSERT_VALUES_EQUAL(
+            manager.HandleTraceResponse(resp, manager.GetProbesMap(), orbit).IsSuccess,
+            true);
+    }
+
+    Y_UNIT_TEST(ShouldDeserializeWhatSerialized)
+    {
+        TManager manager(*Singleton<TProbeRegistry>(), false);
+
+        TOrbit orbit;
+        TTraceRequest req;
+        req.SetIsTraced(true);
+        manager.HandleTraceRequest(req, orbit);
+
+        LWTRACK(NoParam, orbit);
+        LWTRACK(IntParam, orbit, 1);
+        LWTRACK(StringParam, orbit, "str");
+        LWTRACK(EnumParams, orbit, ValueA, EEnumClass::ValueC);
+        LWTRACK(InstantParam, orbit, TInstant::Seconds(42));
+        LWTRACK(DurationParam, orbit, TDuration::MilliSeconds(146));
         LWTRACK(ProtoEnum, orbit, OT_EQ);
-        LWTRACK(IntIntParams, orbit, 1, 2); 
- 
-        TTraceResponse resp; 
-        auto& r = *resp.MutableTrace(); 
-        orbit.Serialize(0, r); 
- 
-        TOrbit orbit1; 
-        UNIT_ASSERT_VALUES_EQUAL( 
-            manager.HandleTraceResponse(resp, manager.GetProbesMap(), orbit1).IsSuccess, 
-            true); 
-    } 
+        LWTRACK(IntIntParams, orbit, 1, 2);
+
+        TTraceResponse resp;
+        auto& r = *resp.MutableTrace();
+        orbit.Serialize(0, r);
+
+        TOrbit orbit1;
+        UNIT_ASSERT_VALUES_EQUAL(
+            manager.HandleTraceResponse(resp, manager.GetProbesMap(), orbit1).IsSuccess,
+            true);
+    }
 
     Y_UNIT_TEST(TrackForkJoin) {
         TManager mngr(*Singleton<TProbeRegistry>(), true);
diff --git a/library/cpp/lwtrace/ya.make b/library/cpp/lwtrace/ya.make
index d863638b7d..d9accb3006 100644
--- a/library/cpp/lwtrace/ya.make
+++ b/library/cpp/lwtrace/ya.make
@@ -8,7 +8,7 @@ PEERDIR(
 
 SRCS(
     check.cpp
-    control.cpp 
+    control.cpp
     custom_action.cpp
     kill_action.cpp
     log_shuttle.cpp
@@ -23,7 +23,7 @@ SRCS(
 )
 
 END()
- 
+
 RECURSE(mon)
 
-RECURSE_FOR_TESTS(ut) 
+RECURSE_FOR_TESTS(ut)