1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
#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;
i16 PotentialMaxThreadCount = 0;
i16 DefaultThreadCount = 0;
i16 MaxThreadCount = 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 MailboxPushedOutByTailSending = 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);
MailboxPushedOutByTailSending += RelaxedLoad(&other.MailboxPushedOutByTailSending);
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();
}
};
}
|
