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Edit File: test-cpu-profiler.cc
// Copyright 2010 the V8 project authors. All rights reserved. // // Tests of profiles generator and utilities. #include "v8.h" #include "cpu-profiler-inl.h" #include "cctest.h" #include "../include/v8-profiler.h" using i::CodeEntry; using i::CpuProfile; using i::CpuProfiler; using i::CpuProfilesCollection; using i::ProfileGenerator; using i::ProfileNode; using i::ProfilerEventsProcessor; using i::TokenEnumerator; TEST(StartStop) { CpuProfilesCollection profiles; ProfileGenerator generator(&profiles); ProfilerEventsProcessor processor(&generator); processor.Start(); processor.Stop(); processor.Join(); } static v8::Persistent<v8::Context> env; static void InitializeVM() { if (env.IsEmpty()) env = v8::Context::New(); v8::HandleScope scope; env->Enter(); } static inline i::Address ToAddress(int n) { return reinterpret_cast<i::Address>(n); } static void EnqueueTickSampleEvent(ProfilerEventsProcessor* proc, i::Address frame1, i::Address frame2 = NULL, i::Address frame3 = NULL) { i::TickSample* sample = proc->TickSampleEvent(); sample->pc = frame1; sample->tos = frame1; sample->frames_count = 0; if (frame2 != NULL) { sample->stack[0] = frame2; sample->frames_count = 1; } if (frame3 != NULL) { sample->stack[1] = frame3; sample->frames_count = 2; } } namespace { class TestSetup { public: TestSetup() : old_flag_prof_browser_mode_(i::FLAG_prof_browser_mode) { i::FLAG_prof_browser_mode = false; } ~TestSetup() { i::FLAG_prof_browser_mode = old_flag_prof_browser_mode_; } private: bool old_flag_prof_browser_mode_; }; } // namespace TEST(CodeEvents) { InitializeVM(); TestSetup test_setup; CpuProfilesCollection profiles; profiles.StartProfiling("", 1); ProfileGenerator generator(&profiles); ProfilerEventsProcessor processor(&generator); processor.Start(); // Enqueue code creation events. i::HandleScope scope; const char* aaa_str = "aaa"; i::Handle<i::String> aaa_name = FACTORY->NewStringFromAscii( i::Vector<const char>(aaa_str, i::StrLength(aaa_str))); processor.CodeCreateEvent(i::Logger::FUNCTION_TAG, *aaa_name, HEAP->empty_string(), 0, ToAddress(0x1000), 0x100, ToAddress(0x10000)); processor.CodeCreateEvent(i::Logger::BUILTIN_TAG, "bbb", ToAddress(0x1200), 0x80); processor.CodeCreateEvent(i::Logger::STUB_TAG, 5, ToAddress(0x1300), 0x10); processor.CodeCreateEvent(i::Logger::BUILTIN_TAG, "ddd", ToAddress(0x1400), 0x80); processor.CodeMoveEvent(ToAddress(0x1400), ToAddress(0x1500)); processor.CodeCreateEvent(i::Logger::STUB_TAG, 3, ToAddress(0x1600), 0x10); processor.CodeCreateEvent(i::Logger::STUB_TAG, 4, ToAddress(0x1605), 0x10); // Enqueue a tick event to enable code events processing. EnqueueTickSampleEvent(&processor, ToAddress(0x1000)); processor.Stop(); processor.Join(); // Check the state of profile generator. CodeEntry* entry1 = generator.code_map()->FindEntry(ToAddress(0x1000)); CHECK_NE(NULL, entry1); CHECK_EQ(aaa_str, entry1->name()); CodeEntry* entry2 = generator.code_map()->FindEntry(ToAddress(0x1200)); CHECK_NE(NULL, entry2); CHECK_EQ("bbb", entry2->name()); CodeEntry* entry3 = generator.code_map()->FindEntry(ToAddress(0x1300)); CHECK_NE(NULL, entry3); CHECK_EQ("5", entry3->name()); CHECK_EQ(NULL, generator.code_map()->FindEntry(ToAddress(0x1400))); CodeEntry* entry4 = generator.code_map()->FindEntry(ToAddress(0x1500)); CHECK_NE(NULL, entry4); CHECK_EQ("ddd", entry4->name()); CHECK_EQ(NULL, generator.code_map()->FindEntry(ToAddress(0x1600))); } template<typename T> static int CompareProfileNodes(const T* p1, const T* p2) { return strcmp((*p1)->entry()->name(), (*p2)->entry()->name()); } TEST(TickEvents) { TestSetup test_setup; CpuProfilesCollection profiles; profiles.StartProfiling("", 1); ProfileGenerator generator(&profiles); ProfilerEventsProcessor processor(&generator); processor.Start(); processor.CodeCreateEvent(i::Logger::BUILTIN_TAG, "bbb", ToAddress(0x1200), 0x80); processor.CodeCreateEvent(i::Logger::STUB_TAG, 5, ToAddress(0x1300), 0x10); processor.CodeCreateEvent(i::Logger::BUILTIN_TAG, "ddd", ToAddress(0x1400), 0x80); EnqueueTickSampleEvent(&processor, ToAddress(0x1210)); EnqueueTickSampleEvent(&processor, ToAddress(0x1305), ToAddress(0x1220)); EnqueueTickSampleEvent(&processor, ToAddress(0x1404), ToAddress(0x1305), ToAddress(0x1230)); processor.Stop(); processor.Join(); CpuProfile* profile = profiles.StopProfiling(TokenEnumerator::kNoSecurityToken, "", 1); CHECK_NE(NULL, profile); // Check call trees. const i::List<ProfileNode*>* top_down_root_children = profile->top_down()->root()->children(); CHECK_EQ(1, top_down_root_children->length()); CHECK_EQ("bbb", top_down_root_children->last()->entry()->name()); const i::List<ProfileNode*>* top_down_bbb_children = top_down_root_children->last()->children(); CHECK_EQ(1, top_down_bbb_children->length()); CHECK_EQ("5", top_down_bbb_children->last()->entry()->name()); const i::List<ProfileNode*>* top_down_stub_children = top_down_bbb_children->last()->children(); CHECK_EQ(1, top_down_stub_children->length()); CHECK_EQ("ddd", top_down_stub_children->last()->entry()->name()); const i::List<ProfileNode*>* top_down_ddd_children = top_down_stub_children->last()->children(); CHECK_EQ(0, top_down_ddd_children->length()); const i::List<ProfileNode*>* bottom_up_root_children_unsorted = profile->bottom_up()->root()->children(); CHECK_EQ(3, bottom_up_root_children_unsorted->length()); i::List<ProfileNode*> bottom_up_root_children(3); bottom_up_root_children.AddAll(*bottom_up_root_children_unsorted); bottom_up_root_children.Sort(&CompareProfileNodes); CHECK_EQ("5", bottom_up_root_children[0]->entry()->name()); CHECK_EQ("bbb", bottom_up_root_children[1]->entry()->name()); CHECK_EQ("ddd", bottom_up_root_children[2]->entry()->name()); const i::List<ProfileNode*>* bottom_up_stub_children = bottom_up_root_children[0]->children(); CHECK_EQ(1, bottom_up_stub_children->length()); CHECK_EQ("bbb", bottom_up_stub_children->last()->entry()->name()); const i::List<ProfileNode*>* bottom_up_bbb_children = bottom_up_root_children[1]->children(); CHECK_EQ(0, bottom_up_bbb_children->length()); const i::List<ProfileNode*>* bottom_up_ddd_children = bottom_up_root_children[2]->children(); CHECK_EQ(1, bottom_up_ddd_children->length()); CHECK_EQ("5", bottom_up_ddd_children->last()->entry()->name()); const i::List<ProfileNode*>* bottom_up_ddd_stub_children = bottom_up_ddd_children->last()->children(); CHECK_EQ(1, bottom_up_ddd_stub_children->length()); CHECK_EQ("bbb", bottom_up_ddd_stub_children->last()->entry()->name()); } // http://crbug/51594 // This test must not crash. TEST(CrashIfStoppingLastNonExistentProfile) { InitializeVM(); TestSetup test_setup; CpuProfiler::SetUp(); CpuProfiler::StartProfiling("1"); CpuProfiler::StopProfiling("2"); CpuProfiler::StartProfiling("1"); CpuProfiler::StopProfiling(""); CpuProfiler::TearDown(); } // http://code.google.com/p/v8/issues/detail?id=1398 // Long stacks (exceeding max frames limit) must not be erased. TEST(Issue1398) { TestSetup test_setup; CpuProfilesCollection profiles; profiles.StartProfiling("", 1); ProfileGenerator generator(&profiles); ProfilerEventsProcessor processor(&generator); processor.Start(); processor.CodeCreateEvent(i::Logger::BUILTIN_TAG, "bbb", ToAddress(0x1200), 0x80); i::TickSample* sample = processor.TickSampleEvent(); sample->pc = ToAddress(0x1200); sample->tos = 0; sample->frames_count = i::TickSample::kMaxFramesCount; for (int i = 0; i < sample->frames_count; ++i) { sample->stack[i] = ToAddress(0x1200); } processor.Stop(); processor.Join(); CpuProfile* profile = profiles.StopProfiling(TokenEnumerator::kNoSecurityToken, "", 1); CHECK_NE(NULL, profile); int actual_depth = 0; const ProfileNode* node = profile->top_down()->root(); while (node->children()->length() > 0) { node = node->children()->last(); ++actual_depth; } CHECK_EQ(1 + i::TickSample::kMaxFramesCount, actual_depth); // +1 for PC. } TEST(DeleteAllCpuProfiles) { InitializeVM(); TestSetup test_setup; CpuProfiler::SetUp(); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); CpuProfiler::DeleteAllProfiles(); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); CpuProfiler::StartProfiling("1"); CpuProfiler::StopProfiling("1"); CHECK_EQ(1, CpuProfiler::GetProfilesCount()); CpuProfiler::DeleteAllProfiles(); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); CpuProfiler::StartProfiling("1"); CpuProfiler::StartProfiling("2"); CpuProfiler::StopProfiling("2"); CpuProfiler::StopProfiling("1"); CHECK_EQ(2, CpuProfiler::GetProfilesCount()); CpuProfiler::DeleteAllProfiles(); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); // Test profiling cancellation by the 'delete' command. CpuProfiler::StartProfiling("1"); CpuProfiler::StartProfiling("2"); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); CpuProfiler::DeleteAllProfiles(); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); CpuProfiler::TearDown(); } TEST(DeleteCpuProfile) { v8::HandleScope scope; LocalContext env; CHECK_EQ(0, v8::CpuProfiler::GetProfilesCount()); v8::Local<v8::String> name1 = v8::String::New("1"); v8::CpuProfiler::StartProfiling(name1); const v8::CpuProfile* p1 = v8::CpuProfiler::StopProfiling(name1); CHECK_NE(NULL, p1); CHECK_EQ(1, v8::CpuProfiler::GetProfilesCount()); unsigned uid1 = p1->GetUid(); CHECK_EQ(p1, v8::CpuProfiler::FindProfile(uid1)); const_cast<v8::CpuProfile*>(p1)->Delete(); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid1)); v8::Local<v8::String> name2 = v8::String::New("2"); v8::CpuProfiler::StartProfiling(name2); const v8::CpuProfile* p2 = v8::CpuProfiler::StopProfiling(name2); CHECK_NE(NULL, p2); CHECK_EQ(1, v8::CpuProfiler::GetProfilesCount()); unsigned uid2 = p2->GetUid(); CHECK_NE(static_cast<int>(uid1), static_cast<int>(uid2)); CHECK_EQ(p2, v8::CpuProfiler::FindProfile(uid2)); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid1)); v8::Local<v8::String> name3 = v8::String::New("3"); v8::CpuProfiler::StartProfiling(name3); const v8::CpuProfile* p3 = v8::CpuProfiler::StopProfiling(name3); CHECK_NE(NULL, p3); CHECK_EQ(2, v8::CpuProfiler::GetProfilesCount()); unsigned uid3 = p3->GetUid(); CHECK_NE(static_cast<int>(uid1), static_cast<int>(uid3)); CHECK_EQ(p3, v8::CpuProfiler::FindProfile(uid3)); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid1)); const_cast<v8::CpuProfile*>(p2)->Delete(); CHECK_EQ(1, v8::CpuProfiler::GetProfilesCount()); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid2)); CHECK_EQ(p3, v8::CpuProfiler::FindProfile(uid3)); const_cast<v8::CpuProfile*>(p3)->Delete(); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid3)); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid2)); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid1)); } TEST(DeleteCpuProfileDifferentTokens) { v8::HandleScope scope; LocalContext env; CHECK_EQ(0, v8::CpuProfiler::GetProfilesCount()); v8::Local<v8::String> name1 = v8::String::New("1"); v8::CpuProfiler::StartProfiling(name1); const v8::CpuProfile* p1 = v8::CpuProfiler::StopProfiling(name1); CHECK_NE(NULL, p1); CHECK_EQ(1, v8::CpuProfiler::GetProfilesCount()); unsigned uid1 = p1->GetUid(); CHECK_EQ(p1, v8::CpuProfiler::FindProfile(uid1)); v8::Local<v8::String> token1 = v8::String::New("token1"); const v8::CpuProfile* p1_t1 = v8::CpuProfiler::FindProfile(uid1, token1); CHECK_NE(NULL, p1_t1); CHECK_NE(p1, p1_t1); CHECK_EQ(1, v8::CpuProfiler::GetProfilesCount()); const_cast<v8::CpuProfile*>(p1)->Delete(); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid1)); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid1, token1)); const_cast<v8::CpuProfile*>(p1_t1)->Delete(); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); v8::Local<v8::String> name2 = v8::String::New("2"); v8::CpuProfiler::StartProfiling(name2); v8::Local<v8::String> token2 = v8::String::New("token2"); const v8::CpuProfile* p2_t2 = v8::CpuProfiler::StopProfiling(name2, token2); CHECK_NE(NULL, p2_t2); CHECK_EQ(1, v8::CpuProfiler::GetProfilesCount()); unsigned uid2 = p2_t2->GetUid(); CHECK_NE(static_cast<int>(uid1), static_cast<int>(uid2)); const v8::CpuProfile* p2 = v8::CpuProfiler::FindProfile(uid2); CHECK_NE(p2_t2, p2); v8::Local<v8::String> name3 = v8::String::New("3"); v8::CpuProfiler::StartProfiling(name3); const v8::CpuProfile* p3 = v8::CpuProfiler::StopProfiling(name3); CHECK_NE(NULL, p3); CHECK_EQ(2, v8::CpuProfiler::GetProfilesCount()); unsigned uid3 = p3->GetUid(); CHECK_NE(static_cast<int>(uid1), static_cast<int>(uid3)); CHECK_EQ(p3, v8::CpuProfiler::FindProfile(uid3)); const_cast<v8::CpuProfile*>(p2_t2)->Delete(); CHECK_EQ(1, v8::CpuProfiler::GetProfilesCount()); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid2)); CHECK_EQ(p3, v8::CpuProfiler::FindProfile(uid3)); const_cast<v8::CpuProfile*>(p2)->Delete(); CHECK_EQ(1, v8::CpuProfiler::GetProfilesCount()); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid2)); CHECK_EQ(p3, v8::CpuProfiler::FindProfile(uid3)); const_cast<v8::CpuProfile*>(p3)->Delete(); CHECK_EQ(0, CpuProfiler::GetProfilesCount()); CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid3)); }