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 11 namespace v8 { 12 namespace internal { 13 14 StatsTable::StatsTable() 15 : lookup_function_(NULL), 16 create_histogram_function_(NULL), 17 add_histogram_sample_function_(NULL) {} 18 19 20 int* StatsCounter::FindLocationInStatsTable() const { 21 return isolate_->stats_table()->FindLocation(name_); 22 } 23 24 25 void Histogram::AddSample(int sample) { 26 if (Enabled()) { 27 isolate()->stats_table()->AddHistogramSample(histogram_, sample); 28 } 29 } 30 31 void* Histogram::CreateHistogram() const { 32 return isolate()->stats_table()-> 33 CreateHistogram(name_, min_, max_, num_buckets_); 34 } 35 36 37 // Start the timer. 38 void 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. 47 void 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 57 Counters::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 } 115 116 117 void 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 } 147 148 149 void 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
