1// Copyright 2012 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "src/v8.h" 6 7#include "src/base/platform/platform.h" 8#include "src/counters.h" 9#include "src/isolate.h" 10 11namespace v8 { 12namespace internal { 13 14StatsTable::StatsTable() 15 : lookup_function_(NULL), 16 create_histogram_function_(NULL), 17 add_histogram_sample_function_(NULL) {} 18 19 20int* StatsCounter::FindLocationInStatsTable() const { 21 return isolate_->stats_table()->FindLocation(name_); 22} 23 24 25void Histogram::AddSample(int sample) { 26 if (Enabled()) { 27 isolate()->stats_table()->AddHistogramSample(histogram_, sample); 28 } 29} 30 31void* Histogram::CreateHistogram() const { 32 return isolate()->stats_table()-> 33 CreateHistogram(name_, min_, max_, num_buckets_); 34} 35 36 37// Start the timer. 38void HistogramTimer::Start() { 39 if (Enabled()) { 40 timer_.Start(); 41 } 42 isolate()->event_logger()(name(), Logger::START); 43} 44 45 46// Stop the timer and record the results. 47void HistogramTimer::Stop() { 48 if (Enabled()) { 49 // Compute the delta between start and stop, in milliseconds. 50 AddSample(static_cast<int>(timer_.Elapsed().InMilliseconds())); 51 timer_.Stop(); 52 } 53 isolate()->event_logger()(name(), Logger::END); 54} 55 56 57Counters::Counters(Isolate* isolate) { 58#define HR(name, caption, min, max, num_buckets) \ 59 name##_ = Histogram(#caption, min, max, num_buckets, isolate); 60 HISTOGRAM_RANGE_LIST(HR) 61#undef HR 62 63#define HT(name, caption) \ 64 name##_ = HistogramTimer(#caption, 0, 10000, 50, isolate); 65 HISTOGRAM_TIMER_LIST(HT) 66#undef HT 67 68#define HP(name, caption) \ 69 name##_ = Histogram(#caption, 0, 101, 100, isolate); 70 HISTOGRAM_PERCENTAGE_LIST(HP) 71#undef HP 72 73#define HM(name, caption) \ 74 name##_ = Histogram(#caption, 1000, 500000, 50, isolate); 75 HISTOGRAM_MEMORY_LIST(HM) 76#undef HM 77 78#define SC(name, caption) \ 79 name##_ = StatsCounter(isolate, "c:" #caption); 80 81 STATS_COUNTER_LIST_1(SC) 82 STATS_COUNTER_LIST_2(SC) 83#undef SC 84 85#define SC(name) \ 86 count_of_##name##_ = StatsCounter(isolate, "c:" "V8.CountOf_" #name); \ 87 size_of_##name##_ = StatsCounter(isolate, "c:" "V8.SizeOf_" #name); 88 INSTANCE_TYPE_LIST(SC) 89#undef SC 90 91#define SC(name) \ 92 count_of_CODE_TYPE_##name##_ = \ 93 StatsCounter(isolate, "c:" "V8.CountOf_CODE_TYPE-" #name); \ 94 size_of_CODE_TYPE_##name##_ = \ 95 StatsCounter(isolate, "c:" "V8.SizeOf_CODE_TYPE-" #name); 96 CODE_KIND_LIST(SC) 97#undef SC 98 99#define SC(name) \ 100 count_of_FIXED_ARRAY_##name##_ = \ 101 StatsCounter(isolate, "c:" "V8.CountOf_FIXED_ARRAY-" #name); \ 102 size_of_FIXED_ARRAY_##name##_ = \ 103 StatsCounter(isolate, "c:" "V8.SizeOf_FIXED_ARRAY-" #name); 104 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC) 105#undef SC 106 107#define SC(name) \ 108 count_of_CODE_AGE_##name##_ = \ 109 StatsCounter(isolate, "c:" "V8.CountOf_CODE_AGE-" #name); \ 110 size_of_CODE_AGE_##name##_ = \ 111 StatsCounter(isolate, "c:" "V8.SizeOf_CODE_AGE-" #name); 112 CODE_AGE_LIST_COMPLETE(SC) 113#undef SC 114} 115 116 117void Counters::ResetCounters() { 118#define SC(name, caption) name##_.Reset(); 119 STATS_COUNTER_LIST_1(SC) 120 STATS_COUNTER_LIST_2(SC) 121#undef SC 122 123#define SC(name) \ 124 count_of_##name##_.Reset(); \ 125 size_of_##name##_.Reset(); 126 INSTANCE_TYPE_LIST(SC) 127#undef SC 128 129#define SC(name) \ 130 count_of_CODE_TYPE_##name##_.Reset(); \ 131 size_of_CODE_TYPE_##name##_.Reset(); 132 CODE_KIND_LIST(SC) 133#undef SC 134 135#define SC(name) \ 136 count_of_FIXED_ARRAY_##name##_.Reset(); \ 137 size_of_FIXED_ARRAY_##name##_.Reset(); 138 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC) 139#undef SC 140 141#define SC(name) \ 142 count_of_CODE_AGE_##name##_.Reset(); \ 143 size_of_CODE_AGE_##name##_.Reset(); 144 CODE_AGE_LIST_COMPLETE(SC) 145#undef SC 146} 147 148 149void Counters::ResetHistograms() { 150#define HR(name, caption, min, max, num_buckets) name##_.Reset(); 151 HISTOGRAM_RANGE_LIST(HR) 152#undef HR 153 154#define HT(name, caption) name##_.Reset(); 155 HISTOGRAM_TIMER_LIST(HT) 156#undef HT 157 158#define HP(name, caption) name##_.Reset(); 159 HISTOGRAM_PERCENTAGE_LIST(HP) 160#undef HP 161 162#define HM(name, caption) name##_.Reset(); 163 HISTOGRAM_MEMORY_LIST(HM) 164#undef HM 165} 166 167} } // namespace v8::internal 168