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#pragma once
#include "defs.h"
#include "actor.h"
#include <library/cpp/monlib/metrics/histogram_snapshot.h>
#include <util/system/hp_timer.h>
namespace NActors {
struct TLogHistogram : public NMonitoring::IHistogramSnapshot {
TLogHistogram() {
memset(Buckets, 0, sizeof(Buckets));
}
inline void Add(ui64 val, ui64 inc = 1) {
size_t ind = 0;
#if defined(__clang__) && __clang_major__ == 3 && __clang_minor__ == 7
asm volatile("" ::
: "memory");
#endif
if (val > 1) {
ind = GetValueBitCount(val - 1);
}
#if defined(__clang__) && __clang_major__ == 3 && __clang_minor__ == 7
asm volatile("" ::
: "memory");
#endif
RelaxedStore(&TotalSamples, RelaxedLoad(&TotalSamples) + inc);
RelaxedStore(&Buckets[ind], RelaxedLoad(&Buckets[ind]) + inc);
}
void Aggregate(const TLogHistogram& other) {
const ui64 inc = RelaxedLoad(&other.TotalSamples);
RelaxedStore(&TotalSamples, RelaxedLoad(&TotalSamples) + inc);
for (size_t i = 0; i < Y_ARRAY_SIZE(Buckets); ++i) {
Buckets[i] += RelaxedLoad(&other.Buckets[i]);
}
}
// IHistogramSnapshot
ui32 Count() const override {
return Y_ARRAY_SIZE(Buckets);
}
NMonitoring::TBucketBound UpperBound(ui32 index) const override {
Y_ASSERT(index < Y_ARRAY_SIZE(Buckets));
if (index == 0) {
return 1;
}
return NMonitoring::TBucketBound(1ull << (index - 1)) * 2.0;
}
NMonitoring::TBucketValue Value(ui32 index) const override {
Y_ASSERT(index < Y_ARRAY_SIZE(Buckets));
return Buckets[index];
}
ui64 TotalSamples = 0;
ui64 Buckets[65];
};
struct TExecutorPoolStats {
ui64 MaxUtilizationTime = 0;
ui64 IncreasingThreadsByNeedyState = 0;
ui64 DecreasingThreadsByStarvedState = 0;
ui64 DecreasingThreadsByHoggishState = 0;
i16 WrongWakenedThreadCount = 0;
i16 CurrentThreadCount = 0;
bool IsNeedy = false;
bool IsStarved = false;
bool IsHoggish = false;
};
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)
ui64 WorstActivationTimeUs = 0;
NHPTimer::STime ElapsedTicks = 0;
NHPTimer::STime ParkedTicks = 0;
NHPTimer::STime BlockedTicks = 0;
TLogHistogram ActivationTimeHistogram;
TLogHistogram EventDeliveryTimeHistogram;
TLogHistogram EventProcessingCountHistogram;
TLogHistogram EventProcessingTimeHistogram;
TVector<NHPTimer::STime> ElapsedTicksByActivity;
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;
TExecutorThreadStats(size_t activityVecSize = 5) // must be not empty as 0 used as default
: ElapsedTicksByActivity(activityVecSize)
, ReceivedEventsByActivity(activityVecSize)
, ActorsAliveByActivity(activityVecSize)
, ScheduledEventsByActivity(activityVecSize)
{}
template <typename T>
static void AggregateOne(TVector<T>& self, const TVector<T>& other) {
const size_t selfSize = self.size();
const size_t otherSize = other.size();
if (selfSize < otherSize)
self.resize(otherSize);
for (size_t at = 0; at < otherSize; ++at)
self[at] += RelaxedLoad(&other[at]);
}
void Aggregate(const TExecutorThreadStats& other) {
SentEvents += RelaxedLoad(&other.SentEvents);
ReceivedEvents += RelaxedLoad(&other.ReceivedEvents);
PreemptedEvents += RelaxedLoad(&other.PreemptedEvents);
NonDeliveredEvents += RelaxedLoad(&other.NonDeliveredEvents);
EmptyMailboxActivation += RelaxedLoad(&other.EmptyMailboxActivation);
CpuNs += RelaxedLoad(&other.CpuNs);
RelaxedStore(
&WorstActivationTimeUs,
std::max(RelaxedLoad(&WorstActivationTimeUs), RelaxedLoad(&other.WorstActivationTimeUs)));
ElapsedTicks += RelaxedLoad(&other.ElapsedTicks);
ParkedTicks += RelaxedLoad(&other.ParkedTicks);
BlockedTicks += RelaxedLoad(&other.BlockedTicks);
MailboxPushedOutBySoftPreemption += RelaxedLoad(&other.MailboxPushedOutBySoftPreemption);
MailboxPushedOutByTime += RelaxedLoad(&other.MailboxPushedOutByTime);
MailboxPushedOutByEventCount += RelaxedLoad(&other.MailboxPushedOutByEventCount);
ActivationTimeHistogram.Aggregate(other.ActivationTimeHistogram);
EventDeliveryTimeHistogram.Aggregate(other.EventDeliveryTimeHistogram);
EventProcessingCountHistogram.Aggregate(other.EventProcessingCountHistogram);
EventProcessingTimeHistogram.Aggregate(other.EventProcessingTimeHistogram);
AggregateOne(ElapsedTicksByActivity, other.ElapsedTicksByActivity);
AggregateOne(ReceivedEventsByActivity, other.ReceivedEventsByActivity);
AggregateOne(ActorsAliveByActivity, other.ActorsAliveByActivity);
AggregateOne(ScheduledEventsByActivity, other.ScheduledEventsByActivity);
RelaxedStore(
&PoolActorRegistrations,
std::max(RelaxedLoad(&PoolActorRegistrations), RelaxedLoad(&other.PoolActorRegistrations)));
RelaxedStore(
&PoolDestroyedActors,
std::max(RelaxedLoad(&PoolDestroyedActors), RelaxedLoad(&other.PoolDestroyedActors)));
RelaxedStore(
&PoolAllocatedMailboxes,
std::max(RelaxedLoad(&PoolAllocatedMailboxes), RelaxedLoad(&other.PoolAllocatedMailboxes)));
}
size_t MaxActivityType() const {
return ActorsAliveByActivity.size();
}
};
}
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