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510 lines
15 KiB
510 lines
15 KiB
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <vector>
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#include "src/counters-inl.h"
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#include "src/counters.h"
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#include "src/handles-inl.h"
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#include "src/objects-inl.h"
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#include "src/tracing/tracing-category-observer.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace v8 {
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namespace internal {
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namespace {
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class MockHistogram : public Histogram {
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public:
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void AddSample(int value) { samples_.push_back(value); }
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std::vector<int>* samples() { return &samples_; }
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private:
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std::vector<int> samples_;
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};
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class AggregatedMemoryHistogramTest : public ::testing::Test {
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public:
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AggregatedMemoryHistogramTest() {
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aggregated_ = AggregatedMemoryHistogram<MockHistogram>(&mock_);
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}
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virtual ~AggregatedMemoryHistogramTest() {}
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void AddSample(double current_ms, double current_value) {
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aggregated_.AddSample(current_ms, current_value);
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}
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std::vector<int>* samples() { return mock_.samples(); }
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private:
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AggregatedMemoryHistogram<MockHistogram> aggregated_;
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MockHistogram mock_;
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};
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class RuntimeCallStatsTest : public ::testing::Test {
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public:
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RuntimeCallStatsTest() {
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FLAG_runtime_stats =
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v8::tracing::TracingCategoryObserver::ENABLED_BY_NATIVE;
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}
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virtual ~RuntimeCallStatsTest() {}
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RuntimeCallStats* stats() { return &stats_; }
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RuntimeCallStats::CounterId counter_id() {
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return &RuntimeCallStats::TestCounter1;
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}
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RuntimeCallStats::CounterId counter_id2() {
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return &RuntimeCallStats::TestCounter2;
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}
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RuntimeCallStats::CounterId counter_id3() {
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return &RuntimeCallStats::TestCounter3;
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}
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RuntimeCallCounter* counter() { return &(stats()->*counter_id()); }
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RuntimeCallCounter* counter2() { return &(stats()->*counter_id2()); }
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RuntimeCallCounter* counter3() { return &(stats()->*counter_id3()); }
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void Sleep(int32_t milliseconds) {
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base::ElapsedTimer timer;
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base::TimeDelta delta = base::TimeDelta::FromMilliseconds(milliseconds);
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timer.Start();
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while (!timer.HasExpired(delta)) {
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base::OS::Sleep(base::TimeDelta::FromMicroseconds(0));
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}
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}
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const uint32_t kEpsilonMs = 20;
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private:
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RuntimeCallStats stats_;
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};
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} // namespace
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TEST_F(AggregatedMemoryHistogramTest, OneSample1) {
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FLAG_histogram_interval = 10;
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AddSample(10, 1000);
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AddSample(20, 1000);
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EXPECT_EQ(1U, samples()->size());
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EXPECT_EQ(1000, (*samples())[0]);
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}
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TEST_F(AggregatedMemoryHistogramTest, OneSample2) {
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FLAG_histogram_interval = 10;
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AddSample(10, 500);
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AddSample(20, 1000);
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EXPECT_EQ(1U, samples()->size());
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EXPECT_EQ(750, (*samples())[0]);
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}
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TEST_F(AggregatedMemoryHistogramTest, OneSample3) {
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FLAG_histogram_interval = 10;
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AddSample(10, 500);
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AddSample(15, 500);
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AddSample(15, 1000);
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AddSample(20, 1000);
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EXPECT_EQ(1U, samples()->size());
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EXPECT_EQ(750, (*samples())[0]);
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}
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TEST_F(AggregatedMemoryHistogramTest, OneSample4) {
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FLAG_histogram_interval = 10;
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AddSample(10, 500);
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AddSample(15, 750);
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AddSample(20, 1000);
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EXPECT_EQ(1U, samples()->size());
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EXPECT_EQ(750, (*samples())[0]);
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}
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TEST_F(AggregatedMemoryHistogramTest, TwoSamples1) {
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FLAG_histogram_interval = 10;
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AddSample(10, 1000);
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AddSample(30, 1000);
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EXPECT_EQ(2U, samples()->size());
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EXPECT_EQ(1000, (*samples())[0]);
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EXPECT_EQ(1000, (*samples())[1]);
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}
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TEST_F(AggregatedMemoryHistogramTest, TwoSamples2) {
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FLAG_histogram_interval = 10;
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AddSample(10, 1000);
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AddSample(20, 1000);
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AddSample(30, 1000);
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EXPECT_EQ(2U, samples()->size());
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EXPECT_EQ(1000, (*samples())[0]);
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EXPECT_EQ(1000, (*samples())[1]);
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}
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TEST_F(AggregatedMemoryHistogramTest, TwoSamples3) {
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FLAG_histogram_interval = 10;
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AddSample(10, 1000);
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AddSample(20, 1000);
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AddSample(20, 500);
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AddSample(30, 500);
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EXPECT_EQ(2U, samples()->size());
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EXPECT_EQ(1000, (*samples())[0]);
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EXPECT_EQ(500, (*samples())[1]);
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}
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TEST_F(AggregatedMemoryHistogramTest, TwoSamples4) {
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FLAG_histogram_interval = 10;
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AddSample(10, 1000);
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AddSample(30, 0);
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EXPECT_EQ(2U, samples()->size());
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EXPECT_EQ(750, (*samples())[0]);
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EXPECT_EQ(250, (*samples())[1]);
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}
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TEST_F(AggregatedMemoryHistogramTest, TwoSamples5) {
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FLAG_histogram_interval = 10;
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AddSample(10, 0);
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AddSample(30, 1000);
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EXPECT_EQ(2U, samples()->size());
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EXPECT_EQ(250, (*samples())[0]);
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EXPECT_EQ(750, (*samples())[1]);
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}
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TEST_F(AggregatedMemoryHistogramTest, TwoSamples6) {
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FLAG_histogram_interval = 10;
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AddSample(10, 0);
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AddSample(15, 1000);
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AddSample(30, 1000);
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EXPECT_EQ(2U, samples()->size());
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EXPECT_EQ((500 + 1000) / 2, (*samples())[0]);
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EXPECT_EQ(1000, (*samples())[1]);
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}
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TEST_F(AggregatedMemoryHistogramTest, TwoSamples7) {
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FLAG_histogram_interval = 10;
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AddSample(10, 0);
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AddSample(15, 1000);
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AddSample(25, 0);
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AddSample(30, 1000);
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EXPECT_EQ(2U, samples()->size());
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EXPECT_EQ((500 + 750) / 2, (*samples())[0]);
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EXPECT_EQ((250 + 500) / 2, (*samples())[1]);
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}
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TEST_F(AggregatedMemoryHistogramTest, TwoSamples8) {
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FLAG_histogram_interval = 10;
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AddSample(10, 1000);
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AddSample(15, 0);
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AddSample(25, 1000);
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AddSample(30, 0);
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EXPECT_EQ(2U, samples()->size());
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EXPECT_EQ((500 + 250) / 2, (*samples())[0]);
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EXPECT_EQ((750 + 500) / 2, (*samples())[1]);
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}
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TEST_F(AggregatedMemoryHistogramTest, ManySamples1) {
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FLAG_histogram_interval = 10;
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const int kMaxSamples = 1000;
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AddSample(0, 0);
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AddSample(10 * kMaxSamples, 10 * kMaxSamples);
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EXPECT_EQ(static_cast<unsigned>(kMaxSamples), samples()->size());
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for (int i = 0; i < kMaxSamples; i++) {
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EXPECT_EQ(i * 10 + 5, (*samples())[i]);
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}
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}
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TEST_F(AggregatedMemoryHistogramTest, ManySamples2) {
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FLAG_histogram_interval = 10;
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const int kMaxSamples = 1000;
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AddSample(0, 0);
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AddSample(10 * (2 * kMaxSamples), 10 * (2 * kMaxSamples));
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EXPECT_EQ(static_cast<unsigned>(kMaxSamples), samples()->size());
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for (int i = 0; i < kMaxSamples; i++) {
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EXPECT_EQ(i * 10 + 5, (*samples())[i]);
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}
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}
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#define EXPECT_IN_RANGE(start, value, end) \
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EXPECT_LE(start, value); \
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EXPECT_GE(end, value)
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TEST_F(RuntimeCallStatsTest, RuntimeCallTimer) {
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RuntimeCallTimer timer;
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Sleep(50);
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RuntimeCallStats::Enter(stats(), &timer, counter_id());
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EXPECT_EQ(counter(), timer.counter());
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EXPECT_EQ(nullptr, timer.parent());
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EXPECT_TRUE(timer.IsStarted());
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EXPECT_EQ(&timer, stats()->current_timer());
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Sleep(100);
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RuntimeCallStats::Leave(stats(), &timer);
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Sleep(50);
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EXPECT_FALSE(timer.IsStarted());
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EXPECT_EQ(1, counter()->count());
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EXPECT_IN_RANGE(100, counter()->time().InMilliseconds(), 100 + kEpsilonMs);
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}
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TEST_F(RuntimeCallStatsTest, RuntimeCallTimerSubTimer) {
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RuntimeCallTimer timer;
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RuntimeCallTimer timer2;
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RuntimeCallStats::Enter(stats(), &timer, counter_id());
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EXPECT_TRUE(timer.IsStarted());
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EXPECT_FALSE(timer2.IsStarted());
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EXPECT_EQ(counter(), timer.counter());
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EXPECT_EQ(nullptr, timer.parent());
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EXPECT_EQ(&timer, stats()->current_timer());
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Sleep(50);
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RuntimeCallStats::Enter(stats(), &timer2, counter_id2());
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// timer 1 is paused, while timer 2 is active.
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EXPECT_TRUE(timer2.IsStarted());
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EXPECT_EQ(counter(), timer.counter());
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EXPECT_EQ(counter2(), timer2.counter());
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EXPECT_EQ(nullptr, timer.parent());
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EXPECT_EQ(&timer, timer2.parent());
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EXPECT_EQ(&timer2, stats()->current_timer());
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Sleep(100);
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RuntimeCallStats::Leave(stats(), &timer2);
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// The subtimer subtracts its time from the parent timer.
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EXPECT_TRUE(timer.IsStarted());
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EXPECT_FALSE(timer2.IsStarted());
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EXPECT_EQ(0, counter()->count());
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EXPECT_EQ(1, counter2()->count());
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EXPECT_EQ(0, counter()->time().InMilliseconds());
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EXPECT_IN_RANGE(100, counter2()->time().InMilliseconds(), 100 + kEpsilonMs);
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EXPECT_EQ(&timer, stats()->current_timer());
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Sleep(100);
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RuntimeCallStats::Leave(stats(), &timer);
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EXPECT_FALSE(timer.IsStarted());
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EXPECT_EQ(1, counter()->count());
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EXPECT_EQ(1, counter2()->count());
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EXPECT_IN_RANGE(150, counter()->time().InMilliseconds(), 150 + kEpsilonMs);
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EXPECT_IN_RANGE(100, counter2()->time().InMilliseconds(), 100 + kEpsilonMs);
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EXPECT_EQ(nullptr, stats()->current_timer());
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}
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TEST_F(RuntimeCallStatsTest, RuntimeCallTimerRecursive) {
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RuntimeCallTimer timer;
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RuntimeCallTimer timer2;
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RuntimeCallStats::Enter(stats(), &timer, counter_id());
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EXPECT_EQ(counter(), timer.counter());
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EXPECT_EQ(nullptr, timer.parent());
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EXPECT_TRUE(timer.IsStarted());
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EXPECT_EQ(&timer, stats()->current_timer());
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RuntimeCallStats::Enter(stats(), &timer2, counter_id());
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EXPECT_EQ(counter(), timer2.counter());
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EXPECT_EQ(nullptr, timer.parent());
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EXPECT_EQ(&timer, timer2.parent());
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EXPECT_TRUE(timer2.IsStarted());
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EXPECT_EQ(&timer2, stats()->current_timer());
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Sleep(50);
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RuntimeCallStats::Leave(stats(), &timer2);
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EXPECT_EQ(nullptr, timer.parent());
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EXPECT_FALSE(timer2.IsStarted());
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EXPECT_TRUE(timer.IsStarted());
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EXPECT_EQ(1, counter()->count());
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EXPECT_IN_RANGE(50, counter()->time().InMilliseconds(), 50 + kEpsilonMs);
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Sleep(100);
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RuntimeCallStats::Leave(stats(), &timer);
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EXPECT_FALSE(timer.IsStarted());
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EXPECT_EQ(2, counter()->count());
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EXPECT_IN_RANGE(150, counter()->time().InMilliseconds(),
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150 + 2 * kEpsilonMs);
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}
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TEST_F(RuntimeCallStatsTest, RuntimeCallTimerScope) {
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{
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RuntimeCallTimerScope scope(stats(), counter_id());
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Sleep(50);
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}
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Sleep(100);
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EXPECT_EQ(1, counter()->count());
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EXPECT_IN_RANGE(50, counter()->time().InMilliseconds(), 50 + kEpsilonMs);
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{
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RuntimeCallTimerScope scope(stats(), counter_id());
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Sleep(50);
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}
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EXPECT_EQ(2, counter()->count());
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EXPECT_IN_RANGE(100, counter()->time().InMilliseconds(),
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100 + 2 * kEpsilonMs);
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}
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TEST_F(RuntimeCallStatsTest, RuntimeCallTimerScopeRecursive) {
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{
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RuntimeCallTimerScope scope(stats(), counter_id());
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Sleep(50);
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EXPECT_EQ(0, counter()->count());
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EXPECT_EQ(0, counter()->time().InMilliseconds());
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{
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RuntimeCallTimerScope scope(stats(), counter_id());
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Sleep(50);
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}
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EXPECT_EQ(1, counter()->count());
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EXPECT_IN_RANGE(50, counter()->time().InMilliseconds(), 50 + kEpsilonMs);
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}
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EXPECT_EQ(2, counter()->count());
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EXPECT_IN_RANGE(100, counter()->time().InMilliseconds(),
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100 + 2 * kEpsilonMs);
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}
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TEST_F(RuntimeCallStatsTest, RenameTimer) {
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{
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RuntimeCallTimerScope scope(stats(), counter_id());
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Sleep(50);
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EXPECT_EQ(0, counter()->count());
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EXPECT_EQ(0, counter2()->count());
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EXPECT_EQ(0, counter()->time().InMilliseconds());
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EXPECT_EQ(0, counter2()->time().InMilliseconds());
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{
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RuntimeCallTimerScope scope(stats(), counter_id());
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Sleep(100);
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}
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CHANGE_CURRENT_RUNTIME_COUNTER(stats(), TestCounter2);
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EXPECT_EQ(1, counter()->count());
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EXPECT_EQ(0, counter2()->count());
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EXPECT_IN_RANGE(100, counter()->time().InMilliseconds(), 100 + kEpsilonMs);
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EXPECT_IN_RANGE(0, counter2()->time().InMilliseconds(), 0);
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}
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EXPECT_EQ(1, counter()->count());
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EXPECT_EQ(1, counter2()->count());
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EXPECT_IN_RANGE(100, counter()->time().InMilliseconds(), 100 + kEpsilonMs);
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EXPECT_IN_RANGE(50, counter2()->time().InMilliseconds(), 50 + kEpsilonMs);
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}
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TEST_F(RuntimeCallStatsTest, BasicPrintAndSnapshot) {
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std::ostringstream out;
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stats()->Print(out);
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EXPECT_EQ(0, counter()->count());
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EXPECT_EQ(0, counter2()->count());
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EXPECT_EQ(0, counter3()->count());
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EXPECT_EQ(0, counter()->time().InMilliseconds());
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EXPECT_EQ(0, counter2()->time().InMilliseconds());
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EXPECT_EQ(0, counter3()->time().InMilliseconds());
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{
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RuntimeCallTimerScope scope(stats(), counter_id());
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Sleep(50);
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stats()->Print(out);
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}
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stats()->Print(out);
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EXPECT_EQ(1, counter()->count());
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EXPECT_EQ(0, counter2()->count());
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EXPECT_EQ(0, counter3()->count());
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EXPECT_IN_RANGE(50, counter()->time().InMilliseconds(), 50 + kEpsilonMs);
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EXPECT_EQ(0, counter2()->time().InMilliseconds());
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EXPECT_EQ(0, counter3()->time().InMilliseconds());
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}
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TEST_F(RuntimeCallStatsTest, PrintAndSnapshot) {
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{
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RuntimeCallTimerScope scope(stats(), counter_id());
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Sleep(100);
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EXPECT_EQ(0, counter()->count());
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EXPECT_EQ(0, counter()->time().InMilliseconds());
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{
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RuntimeCallTimerScope scope(stats(), counter_id2());
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EXPECT_EQ(0, counter2()->count());
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EXPECT_EQ(0, counter2()->time().InMilliseconds());
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Sleep(50);
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// This calls Snapshot on the current active timer and sychronizes and
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// commits the whole timer stack.
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std::ostringstream out;
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stats()->Print(out);
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EXPECT_EQ(0, counter()->count());
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EXPECT_EQ(0, counter2()->count());
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EXPECT_IN_RANGE(100, counter()->time().InMilliseconds(),
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100 + kEpsilonMs);
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EXPECT_IN_RANGE(50, counter2()->time().InMilliseconds(), 50 + kEpsilonMs);
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// Calling Print several times shouldn't have a (big) impact on the
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// measured times.
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stats()->Print(out);
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EXPECT_EQ(0, counter()->count());
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EXPECT_EQ(0, counter2()->count());
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EXPECT_IN_RANGE(100, counter()->time().InMilliseconds(),
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100 + kEpsilonMs);
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EXPECT_IN_RANGE(50, counter2()->time().InMilliseconds(), 50 + kEpsilonMs);
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Sleep(50);
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stats()->Print(out);
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EXPECT_EQ(0, counter()->count());
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EXPECT_EQ(0, counter2()->count());
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EXPECT_IN_RANGE(100, counter()->time().InMilliseconds(),
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100 + kEpsilonMs);
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EXPECT_IN_RANGE(100, counter2()->time().InMilliseconds(),
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100 + kEpsilonMs);
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Sleep(50);
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}
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Sleep(50);
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EXPECT_EQ(0, counter()->count());
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EXPECT_EQ(1, counter2()->count());
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EXPECT_IN_RANGE(100, counter()->time().InMilliseconds(), 100 + kEpsilonMs);
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EXPECT_IN_RANGE(150, counter2()->time().InMilliseconds(), 150 + kEpsilonMs);
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Sleep(50);
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}
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EXPECT_EQ(1, counter()->count());
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EXPECT_EQ(1, counter2()->count());
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EXPECT_IN_RANGE(200, counter()->time().InMilliseconds(), 200 + kEpsilonMs);
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EXPECT_IN_RANGE(150, counter2()->time().InMilliseconds(),
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150 + 2 * kEpsilonMs);
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}
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TEST_F(RuntimeCallStatsTest, NestedScopes) {
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{
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RuntimeCallTimerScope scope(stats(), counter_id());
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Sleep(100);
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{
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RuntimeCallTimerScope scope(stats(), counter_id2());
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Sleep(100);
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{
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RuntimeCallTimerScope scope(stats(), counter_id3());
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Sleep(50);
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}
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Sleep(50);
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{
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RuntimeCallTimerScope scope(stats(), counter_id3());
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Sleep(50);
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}
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Sleep(50);
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}
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Sleep(100);
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{
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RuntimeCallTimerScope scope(stats(), counter_id2());
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Sleep(100);
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}
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Sleep(50);
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}
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EXPECT_EQ(1, counter()->count());
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EXPECT_EQ(2, counter2()->count());
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EXPECT_EQ(2, counter3()->count());
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EXPECT_IN_RANGE(250, counter()->time().InMilliseconds(), 250 + kEpsilonMs);
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EXPECT_IN_RANGE(300, counter2()->time().InMilliseconds(), 300 + kEpsilonMs);
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EXPECT_IN_RANGE(100, counter3()->time().InMilliseconds(), 100 + kEpsilonMs);
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}
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} // namespace internal
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} // namespace v8
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