v8/test/cctest/test-cpu-profiler.cc
mikhail.naganov@gmail.com b706cfce94 Eliminate the need for code delete events in CPU profiler.
Events are still generated for tick processor on performance testing
server to work, as soon as scripts will be updated, it will be safe
to remove code delete events emitting code.

R=erik.corry@gmail.com
BUG=v8:1466
TEST=existing tests in test-profile-generator,test-cpu-profiler and mjsunit/tools

Review URL: http://codereview.chromium.org/7864017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9275 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-09-14 11:47:03 +00:00

400 lines
14 KiB
C++

// 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));
}