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#pragma once
#include <library/cpp/actors/core/actor_bootstrapped.h>
#include <library/cpp/actors/core/actorsystem.h>
#include <library/cpp/actors/core/executor_thread.h>
#include <library/cpp/actors/core/hfunc.h>
#include <library/cpp/monlib/dynamic_counters/counters.h>
#include <util/generic/vector.h>
#include <util/generic/xrange.h>
#include <util/string/printf.h>
namespace NActors {
// Periodically collects stats from executor threads and exposes them as mon counters
class TStatsCollectingActor : public TActorBootstrapped<TStatsCollectingActor> {
private:
struct THistogramCounters {
void Init(NMonitoring::TDynamicCounters* group, const TString& baseName, const TString& unit, ui64 maxVal) {
for (size_t i = 0; (1ull<<i) <= maxVal; ++i) {
TString bucketName = ToString(1ull<<i) + " " + unit;
Buckets.push_back(group->GetSubgroup("sensor", baseName)->GetNamedCounter("range", bucketName, true));
}
Buckets.push_back(group->GetSubgroup("sensor", baseName)->GetNamedCounter("range", "INF", true));
}
void Set(const TLogHistogram& data) {
ui32 i = 0;
for (;i < Y_ARRAY_SIZE(data.Buckets) && i < Buckets.size()-1; ++i)
*Buckets[i] = data.Buckets[i];
ui64 last = 0;
for (;i < Y_ARRAY_SIZE(data.Buckets); ++i)
last += data.Buckets[i];
*Buckets.back() = last;
}
void Set(const TLogHistogram& data, double factor) {
ui32 i = 0;
for (;i < Y_ARRAY_SIZE(data.Buckets) && i < Buckets.size()-1; ++i)
*Buckets[i] = data.Buckets[i]*factor;
ui64 last = 0;
for (;i < Y_ARRAY_SIZE(data.Buckets); ++i)
last += data.Buckets[i];
*Buckets.back() = last*factor;
}
private:
TVector<NMonitoring::TDynamicCounters::TCounterPtr> Buckets;
};
struct TActivityStats {
void Init(NMonitoring::TDynamicCounterPtr group) {
Group = group;
ElapsedMicrosecByActivityBuckets.resize(GetActivityTypeCount());
ReceivedEventsByActivityBuckets.resize(GetActivityTypeCount());
ActorsAliveByActivityBuckets.resize(GetActivityTypeCount());
ScheduledEventsByActivityBuckets.resize(GetActivityTypeCount());
}
void Set(const TExecutorThreadStats& stats) {
for (ui32 i : xrange(stats.MaxActivityType())) {
Y_VERIFY(i < GetActivityTypeCount());
ui64 ticks = stats.ElapsedTicksByActivity[i];
ui64 events = stats.ReceivedEventsByActivity[i];
ui64 actors = stats.ActorsAliveByActivity[i];
ui64 scheduled = stats.ScheduledEventsByActivity[i];
if (!ActorsAliveByActivityBuckets[i]) {
if (ticks || events || actors || scheduled) {
InitCountersForActivity(i);
} else {
continue;
}
}
*ElapsedMicrosecByActivityBuckets[i] = ::NHPTimer::GetSeconds(ticks)*1000000;
*ReceivedEventsByActivityBuckets[i] = events;
*ActorsAliveByActivityBuckets[i] = actors;
*ScheduledEventsByActivityBuckets[i] = scheduled;
}
}
private:
void InitCountersForActivity(ui32 activityType) {
Y_VERIFY(activityType < GetActivityTypeCount());
auto bucketName = TString(GetActivityTypeName(activityType));
ElapsedMicrosecByActivityBuckets[activityType] =
Group->GetSubgroup("sensor", "ElapsedMicrosecByActivity")->GetNamedCounter("activity", bucketName, true);
ReceivedEventsByActivityBuckets[activityType] =
Group->GetSubgroup("sensor", "ReceivedEventsByActivity")->GetNamedCounter("activity", bucketName, true);
ActorsAliveByActivityBuckets[activityType] =
Group->GetSubgroup("sensor", "ActorsAliveByActivity")->GetNamedCounter("activity", bucketName, false);
ScheduledEventsByActivityBuckets[activityType] =
Group->GetSubgroup("sensor", "ScheduledEventsByActivity")->GetNamedCounter("activity", bucketName, true);
}
private:
NMonitoring::TDynamicCounterPtr Group;
TVector<NMonitoring::TDynamicCounters::TCounterPtr> ElapsedMicrosecByActivityBuckets;
TVector<NMonitoring::TDynamicCounters::TCounterPtr> ReceivedEventsByActivityBuckets;
TVector<NMonitoring::TDynamicCounters::TCounterPtr> ActorsAliveByActivityBuckets;
TVector<NMonitoring::TDynamicCounters::TCounterPtr> ScheduledEventsByActivityBuckets;
};
struct TExecutorPoolCounters {
TIntrusivePtr<NMonitoring::TDynamicCounters> PoolGroup;
NMonitoring::TDynamicCounters::TCounterPtr SentEvents;
NMonitoring::TDynamicCounters::TCounterPtr ReceivedEvents;
NMonitoring::TDynamicCounters::TCounterPtr PreemptedEvents;
NMonitoring::TDynamicCounters::TCounterPtr NonDeliveredEvents;
NMonitoring::TDynamicCounters::TCounterPtr DestroyedActors;
NMonitoring::TDynamicCounters::TCounterPtr EmptyMailboxActivation;
NMonitoring::TDynamicCounters::TCounterPtr CpuMicrosec;
NMonitoring::TDynamicCounters::TCounterPtr ElapsedMicrosec;
NMonitoring::TDynamicCounters::TCounterPtr ParkedMicrosec;
NMonitoring::TDynamicCounters::TCounterPtr ActorRegistrations;
NMonitoring::TDynamicCounters::TCounterPtr ActorsAlive;
NMonitoring::TDynamicCounters::TCounterPtr AllocatedMailboxes;
NMonitoring::TDynamicCounters::TCounterPtr MailboxPushedOutBySoftPreemption;
NMonitoring::TDynamicCounters::TCounterPtr MailboxPushedOutByTime;
NMonitoring::TDynamicCounters::TCounterPtr MailboxPushedOutByEventCount;
NMonitoring::TDynamicCounters::TCounterPtr WrongWakenedThreadCount;
NMonitoring::TDynamicCounters::TCounterPtr CurrentThreadCount;
NMonitoring::TDynamicCounters::TCounterPtr IsNeedy;
NMonitoring::TDynamicCounters::TCounterPtr IsStarved;
THistogramCounters LegacyActivationTimeHistogram;
NMonitoring::THistogramPtr ActivationTimeHistogram;
THistogramCounters LegacyEventDeliveryTimeHistogram;
NMonitoring::THistogramPtr EventDeliveryTimeHistogram;
THistogramCounters LegacyEventProcessingCountHistogram;
NMonitoring::THistogramPtr EventProcessingCountHistogram;
THistogramCounters LegacyEventProcessingTimeHistogram;
NMonitoring::THistogramPtr EventProcessingTimeHistogram;
TActivityStats ActivityStats;
NMonitoring::TDynamicCounters::TCounterPtr MaxUtilizationTime;
double Usage = 0;
double LastElapsedSeconds = 0;
THPTimer UsageTimer;
TString Name;
ui32 Threads;
void Init(NMonitoring::TDynamicCounters* group, const TString& poolName, ui32 threads) {
LastElapsedSeconds = 0;
Usage = 0;
UsageTimer.Reset();
Name = poolName;
Threads = threads;
PoolGroup = group->GetSubgroup("execpool", poolName);
SentEvents = PoolGroup->GetCounter("SentEvents", true);
ReceivedEvents = PoolGroup->GetCounter("ReceivedEvents", true);
PreemptedEvents = PoolGroup->GetCounter("PreemptedEvents", true);
NonDeliveredEvents = PoolGroup->GetCounter("NonDeliveredEvents", true);
DestroyedActors = PoolGroup->GetCounter("DestroyedActors", true);
CpuMicrosec = PoolGroup->GetCounter("CpuMicrosec", true);
ElapsedMicrosec = PoolGroup->GetCounter("ElapsedMicrosec", true);
ParkedMicrosec = PoolGroup->GetCounter("ParkedMicrosec", true);
EmptyMailboxActivation = PoolGroup->GetCounter("EmptyMailboxActivation", true);
ActorRegistrations = PoolGroup->GetCounter("ActorRegistrations", true);
ActorsAlive = PoolGroup->GetCounter("ActorsAlive", false);
AllocatedMailboxes = PoolGroup->GetCounter("AllocatedMailboxes", false);
MailboxPushedOutBySoftPreemption = PoolGroup->GetCounter("MailboxPushedOutBySoftPreemption", true);
MailboxPushedOutByTime = PoolGroup->GetCounter("MailboxPushedOutByTime", true);
MailboxPushedOutByEventCount = PoolGroup->GetCounter("MailboxPushedOutByEventCount", true);
WrongWakenedThreadCount = PoolGroup->GetCounter("WrongWakenedThreadCount", true);
CurrentThreadCount = PoolGroup->GetCounter("CurrentThreadCount", false);
IsNeedy = PoolGroup->GetCounter("IsNeedy", false);
IsStarved = PoolGroup->GetCounter("IsStarved", false);
LegacyActivationTimeHistogram.Init(PoolGroup.Get(), "ActivationTime", "usec", 5*1000*1000);
ActivationTimeHistogram = PoolGroup->GetHistogram(
"ActivationTimeUs", NMonitoring::ExponentialHistogram(24, 2, 1));
LegacyEventDeliveryTimeHistogram.Init(PoolGroup.Get(), "EventDeliveryTime", "usec", 5*1000*1000);
EventDeliveryTimeHistogram = PoolGroup->GetHistogram(
"EventDeliveryTimeUs", NMonitoring::ExponentialHistogram(24, 2, 1));
LegacyEventProcessingCountHistogram.Init(PoolGroup.Get(), "EventProcessingCount", "usec", 5*1000*1000);
EventProcessingCountHistogram = PoolGroup->GetHistogram(
"EventProcessingCountUs", NMonitoring::ExponentialHistogram(24, 2, 1));
LegacyEventProcessingTimeHistogram.Init(PoolGroup.Get(), "EventProcessingTime", "usec", 5*1000*1000);
EventProcessingTimeHistogram = PoolGroup->GetHistogram(
"EventProcessingTimeUs", NMonitoring::ExponentialHistogram(24, 2, 1));
ActivityStats.Init(PoolGroup.Get());
MaxUtilizationTime = PoolGroup->GetCounter("MaxUtilizationTime", true);
}
void Set(const TExecutorPoolStats& poolStats, const TExecutorThreadStats& stats, ui32 numThreads) {
#ifdef ACTORSLIB_COLLECT_EXEC_STATS
*SentEvents = stats.SentEvents;
*ReceivedEvents = stats.ReceivedEvents;
*PreemptedEvents = stats.PreemptedEvents;
*NonDeliveredEvents = stats.NonDeliveredEvents;
*DestroyedActors = stats.PoolDestroyedActors;
*EmptyMailboxActivation = stats.EmptyMailboxActivation;
*CpuMicrosec = stats.CpuNs / 1000;
*ElapsedMicrosec = ::NHPTimer::GetSeconds(stats.ElapsedTicks)*1000000;
*ParkedMicrosec = ::NHPTimer::GetSeconds(stats.ParkedTicks)*1000000;
*ActorRegistrations = stats.PoolActorRegistrations;
*ActorsAlive = stats.PoolActorRegistrations - stats.PoolDestroyedActors;
*AllocatedMailboxes = stats.PoolAllocatedMailboxes;
*MailboxPushedOutBySoftPreemption = stats.MailboxPushedOutBySoftPreemption;
*MailboxPushedOutByTime = stats.MailboxPushedOutByTime;
*MailboxPushedOutByEventCount = stats.MailboxPushedOutByEventCount;
*WrongWakenedThreadCount = poolStats.WrongWakenedThreadCount;
*CurrentThreadCount = poolStats.CurrentThreadCount;
*IsNeedy = poolStats.IsNeedy;
*IsStarved = poolStats.IsStarved;
LegacyActivationTimeHistogram.Set(stats.ActivationTimeHistogram);
ActivationTimeHistogram->Reset();
ActivationTimeHistogram->Collect(stats.ActivationTimeHistogram);
LegacyEventDeliveryTimeHistogram.Set(stats.EventDeliveryTimeHistogram);
EventDeliveryTimeHistogram->Reset();
EventDeliveryTimeHistogram->Collect(stats.EventDeliveryTimeHistogram);
LegacyEventProcessingCountHistogram.Set(stats.EventProcessingCountHistogram);
EventProcessingCountHistogram->Reset();
EventProcessingCountHistogram->Collect(stats.EventProcessingCountHistogram);
double toMicrosec = 1000000 / NHPTimer::GetClockRate();
LegacyEventProcessingTimeHistogram.Set(stats.EventProcessingTimeHistogram, toMicrosec);
EventProcessingTimeHistogram->Reset();
for (ui32 i = 0; i < stats.EventProcessingTimeHistogram.Count(); ++i) {
EventProcessingTimeHistogram->Collect(
stats.EventProcessingTimeHistogram.UpperBound(i),
stats.EventProcessingTimeHistogram.Value(i) * toMicrosec);
}
ActivityStats.Set(stats);
*MaxUtilizationTime = poolStats.MaxUtilizationTime;
double seconds = UsageTimer.PassedReset();
// TODO[serxa]: It doesn't account for contention. Use 1 - parkedTicksDelta / seconds / numThreads KIKIMR-11916
const double elapsed = NHPTimer::GetSeconds(stats.ElapsedTicks);
const double currentUsage = numThreads > 0 ? ((elapsed - LastElapsedSeconds) / seconds / numThreads) : 0;
LastElapsedSeconds = elapsed;
// update usage factor according to smoothness
const double smoothness = 0.5;
Usage = currentUsage * smoothness + Usage * (1.0 - smoothness);
#else
Y_UNUSED(poolStats);
Y_UNUSED(stats);
Y_UNUSED(numThreads);
#endif
}
};
public:
static constexpr IActor::EActivityType ActorActivityType() {
return IActor::ACTORLIB_STATS;
}
TStatsCollectingActor(
ui32 intervalSec,
const TActorSystemSetup& setup,
NMonitoring::TDynamicCounterPtr counters)
: IntervalSec(intervalSec)
, Counters(counters)
{
PoolCounters.resize(setup.GetExecutorsCount());
for (size_t poolId = 0; poolId < PoolCounters.size(); ++poolId) {
PoolCounters[poolId].Init(Counters.Get(), setup.GetPoolName(poolId), setup.GetThreads(poolId));
}
}
void Bootstrap(const TActorContext& ctx) {
ctx.Schedule(TDuration::Seconds(IntervalSec), new TEvents::TEvWakeup());
Become(&TThis::StateWork);
}
STFUNC(StateWork) {
switch (ev->GetTypeRewrite()) {
CFunc(TEvents::TSystem::Wakeup, Wakeup);
}
}
private:
virtual void OnWakeup(const TActorContext &ctx) {
Y_UNUSED(ctx);
}
void Wakeup(const TActorContext &ctx) {
for (size_t poolId = 0; poolId < PoolCounters.size(); ++poolId) {
TVector<TExecutorThreadStats> stats;
TExecutorPoolStats poolStats;
ctx.ExecutorThread.ActorSystem->GetPoolStats(poolId, poolStats, stats);
SetAggregatedCounters(PoolCounters[poolId], poolStats, stats);
}
OnWakeup(ctx);
ctx.Schedule(TDuration::Seconds(IntervalSec), new TEvents::TEvWakeup());
}
void SetAggregatedCounters(TExecutorPoolCounters& poolCounters, TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& stats) {
// Sum all per-thread counters into the 0th element
for (ui32 idx = 1; idx < stats.size(); ++idx) {
stats[0].Aggregate(stats[idx]);
}
if (stats.size()) {
poolCounters.Set(poolStats, stats[0], stats.size() - 1);
}
}
protected:
const ui32 IntervalSec;
NMonitoring::TDynamicCounterPtr Counters;
TVector<TExecutorPoolCounters> PoolCounters;
};
} // NActors
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