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// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "v8.h"
#include "counters.h"
#include "isolate.h"
#include "platform.h"
namespace v8 {
namespace internal {
StatsTable::StatsTable()
: lookup_function_(NULL),
create_histogram_function_(NULL),
add_histogram_sample_function_(NULL) {}
int* StatsCounter::FindLocationInStatsTable() const {
return isolate_->stats_table()->FindLocation(name_);
}
void Histogram::AddSample(int sample) {
if (Enabled()) {
isolate()->stats_table()->AddHistogramSample(histogram_, sample);
}
}
void* Histogram::CreateHistogram() const {
return isolate()->stats_table()->
CreateHistogram(name_, min_, max_, num_buckets_);
}
// Start the timer.
void HistogramTimer::Start() {
if (Enabled()) {
timer_.Start();
}
isolate()->event_logger()(name(), Logger::START);
}
// Stop the timer and record the results.
void HistogramTimer::Stop() {
if (Enabled()) {
// Compute the delta between start and stop, in milliseconds.
AddSample(static_cast<int>(timer_.Elapsed().InMilliseconds()));
timer_.Stop();
}
isolate()->event_logger()(name(), Logger::END);
}
Counters::Counters(Isolate* isolate) {
#define HT(name, caption) \
name##_ = HistogramTimer(#caption, 0, 10000, 50, isolate);
HISTOGRAM_TIMER_LIST(HT)
#undef HT
#define HP(name, caption) \
name##_ = Histogram(#caption, 0, 101, 100, isolate);
HISTOGRAM_PERCENTAGE_LIST(HP)
#undef HP
#define HM(name, caption) \
name##_ = Histogram(#caption, 1000, 500000, 50, isolate);
HISTOGRAM_MEMORY_LIST(HM)
#undef HM
#define SC(name, caption) \
name##_ = StatsCounter(isolate, "c:" #caption);
STATS_COUNTER_LIST_1(SC)
STATS_COUNTER_LIST_2(SC)
#undef SC
#define SC(name) \
count_of_##name##_ = StatsCounter(isolate, "c:" "V8.CountOf_" #name); \
size_of_##name##_ = StatsCounter(isolate, "c:" "V8.SizeOf_" #name);
INSTANCE_TYPE_LIST(SC)
#undef SC
#define SC(name) \
count_of_CODE_TYPE_##name##_ = \
StatsCounter(isolate, "c:" "V8.CountOf_CODE_TYPE-" #name); \
size_of_CODE_TYPE_##name##_ = \
StatsCounter(isolate, "c:" "V8.SizeOf_CODE_TYPE-" #name);
CODE_KIND_LIST(SC)
#undef SC
#define SC(name) \
count_of_FIXED_ARRAY_##name##_ = \
StatsCounter(isolate, "c:" "V8.CountOf_FIXED_ARRAY-" #name); \
size_of_FIXED_ARRAY_##name##_ = \
StatsCounter(isolate, "c:" "V8.SizeOf_FIXED_ARRAY-" #name);
FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC)
#undef SC
#define SC(name) \
count_of_CODE_AGE_##name##_ = \
StatsCounter(isolate, "c:" "V8.CountOf_CODE_AGE-" #name); \
size_of_CODE_AGE_##name##_ = \
StatsCounter(isolate, "c:" "V8.SizeOf_CODE_AGE-" #name);
CODE_AGE_LIST_COMPLETE(SC)
#undef SC
}
void Counters::ResetHistograms() {
#define HT(name, caption) name##_.Reset();
HISTOGRAM_TIMER_LIST(HT)
#undef HT
#define HP(name, caption) name##_.Reset();
HISTOGRAM_PERCENTAGE_LIST(HP)
#undef HP
#define HM(name, caption) name##_.Reset();
HISTOGRAM_MEMORY_LIST(HM)
#undef HM
}
} } // namespace v8::internal
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