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Diffstat (limited to 'deps/v8/test/unittests/logging/runtime-call-stats-unittest.cc')
| -rw-r--r-- | deps/v8/test/unittests/logging/runtime-call-stats-unittest.cc | 643 |
1 files changed, 643 insertions, 0 deletions
diff --git a/deps/v8/test/unittests/logging/runtime-call-stats-unittest.cc b/deps/v8/test/unittests/logging/runtime-call-stats-unittest.cc new file mode 100644 index 0000000000..8d0ea594c3 --- /dev/null +++ b/deps/v8/test/unittests/logging/runtime-call-stats-unittest.cc @@ -0,0 +1,643 @@ +// Copyright 2021 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 "src/logging/runtime-call-stats.h" + +#include "src/api/api-inl.h" +#include "src/base/atomic-utils.h" +#include "src/base/platform/time.h" +#include "src/handles/handles-inl.h" +#include "src/logging/counters.h" +#include "src/objects/objects-inl.h" +#include "src/tracing/tracing-category-observer.h" +#include "test/unittests/test-utils.h" +#include "testing/gtest/include/gtest/gtest.h" + +namespace v8 { +namespace internal { + +namespace { + +static base::TimeTicks runtime_call_stats_test_time_ = base::TimeTicks(); +// Time source used for the RuntimeCallTimer during tests. We cannot rely on +// the native timer since it's too unpredictable on the build bots. +static base::TimeTicks RuntimeCallStatsTestNow() { + return runtime_call_stats_test_time_; +} + +class RuntimeCallStatsTest : public TestWithNativeContext { + public: + RuntimeCallStatsTest() { + TracingFlags::runtime_stats.store( + v8::tracing::TracingCategoryObserver::ENABLED_BY_NATIVE, + std::memory_order_relaxed); + // We need to set {time_} to a non-zero value since it would otherwise + // cause runtime call timers to think they are uninitialized. + Sleep(1); + stats()->Reset(); + } + + ~RuntimeCallStatsTest() override { + // Disable RuntimeCallStats before tearing down the isolate to prevent + // printing the tests table. Comment the following line for debugging + // purposes. + TracingFlags::runtime_stats.store(0, std::memory_order_relaxed); + } + + static void SetUpTestCase() { + TestWithIsolate::SetUpTestCase(); + // Use a custom time source to precisly emulate system time. + RuntimeCallTimer::Now = &RuntimeCallStatsTestNow; + } + + static void TearDownTestCase() { + TestWithIsolate::TearDownTestCase(); + // Restore the original time source. + RuntimeCallTimer::Now = &base::TimeTicks::HighResolutionNow; + } + + RuntimeCallStats* stats() { + return isolate()->counters()->runtime_call_stats(); + } + + RuntimeCallCounterId counter_id() { + return RuntimeCallCounterId::kTestCounter1; + } + + RuntimeCallCounterId counter_id2() { + return RuntimeCallCounterId::kTestCounter2; + } + + RuntimeCallCounterId counter_id3() { + return RuntimeCallCounterId::kTestCounter3; + } + + RuntimeCallCounter* js_counter() { + return stats()->GetCounter(RuntimeCallCounterId::kJS_Execution); + } + RuntimeCallCounter* counter() { return stats()->GetCounter(counter_id()); } + RuntimeCallCounter* counter2() { return stats()->GetCounter(counter_id2()); } + RuntimeCallCounter* counter3() { return stats()->GetCounter(counter_id3()); } + + void Sleep(int64_t microseconds) { + base::TimeDelta delta = base::TimeDelta::FromMicroseconds(microseconds); + time_ += delta; + runtime_call_stats_test_time_ = + base::TimeTicks::FromInternalValue(time_.InMicroseconds()); + } + + private: + base::TimeDelta time_; +}; + +// Temporarily use the native time to modify the test time. +class V8_NODISCARD ElapsedTimeScope { + public: + explicit ElapsedTimeScope(RuntimeCallStatsTest* test) : test_(test) { + timer_.Start(); + } + ~ElapsedTimeScope() { test_->Sleep(timer_.Elapsed().InMicroseconds()); } + + private: + base::ElapsedTimer timer_; + RuntimeCallStatsTest* test_; +}; + +// Temporarily use the default time source. +class V8_NODISCARD NativeTimeScope { + public: + NativeTimeScope() { + CHECK_EQ(RuntimeCallTimer::Now, &RuntimeCallStatsTestNow); + RuntimeCallTimer::Now = &base::TimeTicks::HighResolutionNow; + } + ~NativeTimeScope() { + CHECK_EQ(RuntimeCallTimer::Now, &base::TimeTicks::HighResolutionNow); + RuntimeCallTimer::Now = &RuntimeCallStatsTestNow; + } +}; + +} // namespace + +TEST_F(RuntimeCallStatsTest, RuntimeCallTimer) { + RuntimeCallTimer timer; + + Sleep(50); + stats()->Enter(&timer, counter_id()); + EXPECT_EQ(counter(), timer.counter()); + EXPECT_EQ(nullptr, timer.parent()); + EXPECT_TRUE(timer.IsStarted()); + EXPECT_EQ(&timer, stats()->current_timer()); + + Sleep(100); + + stats()->Leave(&timer); + Sleep(50); + EXPECT_FALSE(timer.IsStarted()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, RuntimeCallTimerSubTimer) { + RuntimeCallTimer timer; + RuntimeCallTimer timer2; + + stats()->Enter(&timer, counter_id()); + EXPECT_TRUE(timer.IsStarted()); + EXPECT_FALSE(timer2.IsStarted()); + EXPECT_EQ(counter(), timer.counter()); + EXPECT_EQ(nullptr, timer.parent()); + EXPECT_EQ(&timer, stats()->current_timer()); + + Sleep(50); + + stats()->Enter(&timer2, counter_id2()); + // timer 1 is paused, while timer 2 is active. + EXPECT_TRUE(timer2.IsStarted()); + EXPECT_EQ(counter(), timer.counter()); + EXPECT_EQ(counter2(), timer2.counter()); + EXPECT_EQ(nullptr, timer.parent()); + EXPECT_EQ(&timer, timer2.parent()); + EXPECT_EQ(&timer2, stats()->current_timer()); + + Sleep(100); + stats()->Leave(&timer2); + + // The subtimer subtracts its time from the parent timer. + EXPECT_TRUE(timer.IsStarted()); + EXPECT_FALSE(timer2.IsStarted()); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(1, counter2()->count()); + EXPECT_EQ(0, counter()->time().InMicroseconds()); + EXPECT_EQ(100, counter2()->time().InMicroseconds()); + EXPECT_EQ(&timer, stats()->current_timer()); + + Sleep(100); + + stats()->Leave(&timer); + EXPECT_FALSE(timer.IsStarted()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(1, counter2()->count()); + EXPECT_EQ(150, counter()->time().InMicroseconds()); + EXPECT_EQ(100, counter2()->time().InMicroseconds()); + EXPECT_EQ(nullptr, stats()->current_timer()); +} + +TEST_F(RuntimeCallStatsTest, RuntimeCallTimerRecursive) { + RuntimeCallTimer timer; + RuntimeCallTimer timer2; + + stats()->Enter(&timer, counter_id()); + EXPECT_EQ(counter(), timer.counter()); + EXPECT_EQ(nullptr, timer.parent()); + EXPECT_TRUE(timer.IsStarted()); + EXPECT_EQ(&timer, stats()->current_timer()); + + stats()->Enter(&timer2, counter_id()); + EXPECT_EQ(counter(), timer2.counter()); + EXPECT_EQ(nullptr, timer.parent()); + EXPECT_EQ(&timer, timer2.parent()); + EXPECT_TRUE(timer2.IsStarted()); + EXPECT_EQ(&timer2, stats()->current_timer()); + + Sleep(50); + + stats()->Leave(&timer2); + EXPECT_EQ(nullptr, timer.parent()); + EXPECT_FALSE(timer2.IsStarted()); + EXPECT_TRUE(timer.IsStarted()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(50, counter()->time().InMicroseconds()); + + Sleep(100); + + stats()->Leave(&timer); + EXPECT_FALSE(timer.IsStarted()); + EXPECT_EQ(2, counter()->count()); + EXPECT_EQ(150, counter()->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, RuntimeCallTimerScope) { + { + RCS_SCOPE(stats(), counter_id()); + Sleep(50); + } + Sleep(100); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(50, counter()->time().InMicroseconds()); + { + RCS_SCOPE(stats(), counter_id()); + Sleep(50); + } + EXPECT_EQ(2, counter()->count()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, RuntimeCallTimerScopeRecursive) { + { + RCS_SCOPE(stats(), counter_id()); + Sleep(50); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(0, counter()->time().InMicroseconds()); + { + RCS_SCOPE(stats(), counter_id()); + Sleep(50); + } + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(50, counter()->time().InMicroseconds()); + } + EXPECT_EQ(2, counter()->count()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, RenameTimer) { + { + RCS_SCOPE(stats(), counter_id()); + Sleep(50); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(0, counter2()->count()); + EXPECT_EQ(0, counter()->time().InMicroseconds()); + EXPECT_EQ(0, counter2()->time().InMicroseconds()); + { + RCS_SCOPE(stats(), counter_id()); + Sleep(100); + } + CHANGE_CURRENT_RUNTIME_COUNTER(stats(), + RuntimeCallCounterId::kTestCounter2); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(0, counter2()->count()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(0, counter2()->time().InMicroseconds()); + } + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(1, counter2()->count()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(50, counter2()->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, BasicPrintAndSnapshot) { + std::ostringstream out; + stats()->Print(out); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(0, counter2()->count()); + EXPECT_EQ(0, counter3()->count()); + EXPECT_EQ(0, counter()->time().InMicroseconds()); + EXPECT_EQ(0, counter2()->time().InMicroseconds()); + EXPECT_EQ(0, counter3()->time().InMicroseconds()); + + { + RCS_SCOPE(stats(), counter_id()); + Sleep(50); + stats()->Print(out); + } + stats()->Print(out); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(0, counter2()->count()); + EXPECT_EQ(0, counter3()->count()); + EXPECT_EQ(50, counter()->time().InMicroseconds()); + EXPECT_EQ(0, counter2()->time().InMicroseconds()); + EXPECT_EQ(0, counter3()->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, PrintAndSnapshot) { + { + RCS_SCOPE(stats(), counter_id()); + Sleep(100); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(0, counter()->time().InMicroseconds()); + { + RCS_SCOPE(stats(), counter_id2()); + EXPECT_EQ(0, counter2()->count()); + EXPECT_EQ(0, counter2()->time().InMicroseconds()); + Sleep(50); + + // This calls Snapshot on the current active timer and sychronizes and + // commits the whole timer stack. + std::ostringstream out; + stats()->Print(out); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(0, counter2()->count()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(50, counter2()->time().InMicroseconds()); + // Calling Print several times shouldn't have a (big) impact on the + // measured times. + stats()->Print(out); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(0, counter2()->count()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(50, counter2()->time().InMicroseconds()); + + Sleep(50); + stats()->Print(out); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(0, counter2()->count()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(100, counter2()->time().InMicroseconds()); + Sleep(50); + } + Sleep(50); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(1, counter2()->count()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(150, counter2()->time().InMicroseconds()); + Sleep(50); + } + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(1, counter2()->count()); + EXPECT_EQ(200, counter()->time().InMicroseconds()); + EXPECT_EQ(150, counter2()->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, NestedScopes) { + { + RCS_SCOPE(stats(), counter_id()); + Sleep(100); + { + RCS_SCOPE(stats(), counter_id2()); + Sleep(100); + { + RCS_SCOPE(stats(), counter_id3()); + Sleep(50); + } + Sleep(50); + { + RCS_SCOPE(stats(), counter_id3()); + Sleep(50); + } + Sleep(50); + } + Sleep(100); + { + RCS_SCOPE(stats(), counter_id2()); + Sleep(100); + } + Sleep(50); + } + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(2, counter2()->count()); + EXPECT_EQ(2, counter3()->count()); + EXPECT_EQ(250, counter()->time().InMicroseconds()); + EXPECT_EQ(300, counter2()->time().InMicroseconds()); + EXPECT_EQ(100, counter3()->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, BasicJavaScript) { + RuntimeCallCounter* counter = + stats()->GetCounter(RuntimeCallCounterId::kJS_Execution); + EXPECT_EQ(0, counter->count()); + EXPECT_EQ(0, counter->time().InMicroseconds()); + + { + NativeTimeScope native_timer_scope; + RunJS("function f() { return 1; };"); + } + EXPECT_EQ(1, counter->count()); + int64_t time = counter->time().InMicroseconds(); + EXPECT_LT(0, time); + + { + NativeTimeScope native_timer_scope; + RunJS("f();"); + } + EXPECT_EQ(2, counter->count()); + EXPECT_LE(time, counter->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, FunctionLengthGetter) { + RuntimeCallCounter* getter_counter = + stats()->GetCounter(RuntimeCallCounterId::kFunctionLengthGetter); + EXPECT_EQ(0, getter_counter->count()); + EXPECT_EQ(0, js_counter()->count()); + EXPECT_EQ(0, getter_counter->time().InMicroseconds()); + EXPECT_EQ(0, js_counter()->time().InMicroseconds()); + + { + NativeTimeScope native_timer_scope; + RunJS("function f(array) { return array.length; };"); + } + EXPECT_EQ(0, getter_counter->count()); + EXPECT_EQ(1, js_counter()->count()); + EXPECT_EQ(0, getter_counter->time().InMicroseconds()); + int64_t js_time = js_counter()->time().InMicroseconds(); + EXPECT_LT(0, js_time); + + { + NativeTimeScope native_timer_scope; + RunJS("f.length;"); + } + EXPECT_EQ(1, getter_counter->count()); + EXPECT_EQ(2, js_counter()->count()); + EXPECT_LE(0, getter_counter->time().InMicroseconds()); + EXPECT_LE(js_time, js_counter()->time().InMicroseconds()); + + { + NativeTimeScope native_timer_scope; + RunJS("for (let i = 0; i < 50; i++) { f.length };"); + } + EXPECT_EQ(51, getter_counter->count()); + EXPECT_EQ(3, js_counter()->count()); + + { + NativeTimeScope native_timer_scope; + RunJS("for (let i = 0; i < 1000; i++) { f.length; };"); + } + EXPECT_EQ(1051, getter_counter->count()); + EXPECT_EQ(4, js_counter()->count()); +} + +namespace { +static RuntimeCallStatsTest* current_test; +static const int kCustomCallbackTime = 1234; +static void CustomCallback(const v8::FunctionCallbackInfo<v8::Value>& info) { + RCS_SCOPE(current_test->stats(), current_test->counter_id2()); + current_test->Sleep(kCustomCallbackTime); +} +} // namespace + +TEST_F(RuntimeCallStatsTest, CallbackFunction) { + FLAG_allow_natives_syntax = true; + FLAG_incremental_marking = false; + + RuntimeCallCounter* callback_counter = + stats()->GetCounter(RuntimeCallCounterId::kFunctionCallback); + + current_test = this; + // Set up a function template with a custom callback. + v8::Isolate* isolate = v8_isolate(); + v8::HandleScope scope(isolate); + + v8::Local<v8::ObjectTemplate> object_template = + v8::ObjectTemplate::New(isolate); + object_template->Set(isolate, "callback", + v8::FunctionTemplate::New(isolate, CustomCallback)); + v8::Local<v8::Object> object = + object_template->NewInstance(v8_context()).ToLocalChecked(); + SetGlobalProperty("custom_object", object); + + EXPECT_EQ(0, js_counter()->count()); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(0, callback_counter->count()); + EXPECT_EQ(0, counter2()->count()); + { + RCS_SCOPE(stats(), counter_id()); + Sleep(100); + RunJS("custom_object.callback();"); + } + EXPECT_EQ(1, js_counter()->count()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(1, callback_counter->count()); + EXPECT_EQ(1, counter2()->count()); + // Given that no native timers are used, only the two scopes explitly + // mentioned above will track the time. + EXPECT_EQ(0, js_counter()->time().InMicroseconds()); + EXPECT_EQ(0, callback_counter->time().InMicroseconds()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(kCustomCallbackTime, counter2()->time().InMicroseconds()); + + RunJS("for (let i = 0; i < 9; i++) { custom_object.callback(); };"); + EXPECT_EQ(2, js_counter()->count()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(10, callback_counter->count()); + EXPECT_EQ(10, counter2()->count()); + EXPECT_EQ(0, js_counter()->time().InMicroseconds()); + EXPECT_EQ(0, callback_counter->time().InMicroseconds()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(kCustomCallbackTime * 10, counter2()->time().InMicroseconds()); + + RunJS("for (let i = 0; i < 4000; i++) { custom_object.callback(); };"); + EXPECT_EQ(3, js_counter()->count()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(4010, callback_counter->count()); + EXPECT_EQ(4010, counter2()->count()); + EXPECT_EQ(0, js_counter()->time().InMicroseconds()); + EXPECT_EQ(0, callback_counter->time().InMicroseconds()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(kCustomCallbackTime * 4010, counter2()->time().InMicroseconds()); + + // Check that the FunctionCallback tracing also works properly + // when the `callback` is called from optimized code. + RunJS( + "function wrap(o) { return o.callback(); };\n" + "%PrepareFunctionForOptimization(wrap);\n" + "wrap(custom_object);\n" + "wrap(custom_object);\n" + "%OptimizeFunctionOnNextCall(wrap);\n" + "wrap(custom_object);\n"); + EXPECT_EQ(4, js_counter()->count()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(4013, callback_counter->count()); + EXPECT_EQ(4013, counter2()->count()); + EXPECT_EQ(0, js_counter()->time().InMicroseconds()); + EXPECT_EQ(0, callback_counter->time().InMicroseconds()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(kCustomCallbackTime * 4013, counter2()->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, ApiGetter) { + FLAG_allow_natives_syntax = true; + FLAG_incremental_marking = false; + + RuntimeCallCounter* callback_counter = + stats()->GetCounter(RuntimeCallCounterId::kFunctionCallback); + current_test = this; + // Set up a function template with an api accessor. + v8::Isolate* isolate = v8_isolate(); + v8::HandleScope scope(isolate); + + v8::Local<v8::ObjectTemplate> object_template = + v8::ObjectTemplate::New(isolate); + object_template->SetAccessorProperty( + NewString("apiGetter"), + v8::FunctionTemplate::New(isolate, CustomCallback)); + v8::Local<v8::Object> object = + object_template->NewInstance(v8_context()).ToLocalChecked(); + SetGlobalProperty("custom_object", object); + + // TODO(cbruni): Check api accessor timer (one above the custom callback). + EXPECT_EQ(0, js_counter()->count()); + EXPECT_EQ(0, counter()->count()); + EXPECT_EQ(0, callback_counter->count()); + EXPECT_EQ(0, counter2()->count()); + + { + RCS_SCOPE(stats(), counter_id()); + Sleep(100); + RunJS("custom_object.apiGetter;"); + } + + EXPECT_EQ(1, js_counter()->count()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(1, callback_counter->count()); + EXPECT_EQ(1, counter2()->count()); + // Given that no native timers are used, only the two scopes explitly + // mentioned above will track the time. + EXPECT_EQ(0, js_counter()->time().InMicroseconds()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(0, callback_counter->time().InMicroseconds()); + EXPECT_EQ(kCustomCallbackTime, counter2()->time().InMicroseconds()); + + RunJS("for (let i = 0; i < 9; i++) { custom_object.apiGetter };"); + + EXPECT_EQ(2, js_counter()->count()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(10, callback_counter->count()); + EXPECT_EQ(10, counter2()->count()); + + EXPECT_EQ(0, js_counter()->time().InMicroseconds()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(0, callback_counter->time().InMicroseconds()); + EXPECT_EQ(kCustomCallbackTime * 10, counter2()->time().InMicroseconds()); + + RunJS("for (let i = 0; i < 4000; i++) { custom_object.apiGetter };"); + + EXPECT_EQ(3, js_counter()->count()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(4010, callback_counter->count()); + EXPECT_EQ(4010, counter2()->count()); + + EXPECT_EQ(0, js_counter()->time().InMicroseconds()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(0, callback_counter->time().InMicroseconds()); + EXPECT_EQ(kCustomCallbackTime * 4010, counter2()->time().InMicroseconds()); + + // Check that the FunctionCallback tracing also works properly + // when the `apiGetter` is called from optimized code. + RunJS( + "function wrap(o) { return o.apiGetter; };\n" + "%PrepareFunctionForOptimization(wrap);\n" + "wrap(custom_object);\n" + "wrap(custom_object);\n" + "%OptimizeFunctionOnNextCall(wrap);\n" + "wrap(custom_object);\n"); + + EXPECT_EQ(4, js_counter()->count()); + EXPECT_EQ(1, counter()->count()); + EXPECT_EQ(4013, callback_counter->count()); + EXPECT_EQ(4013, counter2()->count()); + + EXPECT_EQ(0, js_counter()->time().InMicroseconds()); + EXPECT_EQ(100, counter()->time().InMicroseconds()); + EXPECT_EQ(0, callback_counter->time().InMicroseconds()); + EXPECT_EQ(kCustomCallbackTime * 4013, counter2()->time().InMicroseconds()); +} + +TEST_F(RuntimeCallStatsTest, GarbageCollection) { + FLAG_expose_gc = true; + // Disable concurrent GC threads because otherwise they may continue + // running after this test completes and race with is_runtime_stats_enabled() + // updates. + FLAG_single_threaded_gc = true; + v8::Isolate* isolate = v8_isolate(); + RunJS( + "let root = [];" + "for (let i = 0; i < 10; i++) root.push((new Array(1000)).fill(0));" + "root.push((new Array(1000000)).fill(0));" + "((new Array(1000000)).fill(0));"); + isolate->RequestGarbageCollectionForTesting( + v8::Isolate::kFullGarbageCollection); + isolate->RequestGarbageCollectionForTesting( + v8::Isolate::kFullGarbageCollection); +} + +} // namespace internal +} // namespace v8 |