v8/test/cctest/test-cpu-profiler.cc
danno@chromium.org ed3809c318 Maintain API compatibility with older versions of V8.
Revert "Allow recording individual samples in addition to the aggregated CPU profiles"
Revert "Isolatify CPU profiler"
Revert "Isolatify HeapProfiler"
Revert "Deprecate HeapSnapshot type"
Revert "Isolatify CPU profiler public API"
Revert "MSVS compilation fix after r14006"
Revert "Add methods to allow resuming execution after calling TerminateExecution()."

R=jkummerow@chromium.org,mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/12475016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14031 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2013-03-21 14:42:17 +00:00

403 lines
14 KiB
C++

// Copyright 2010 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// 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->GetIsolate());
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();
i::Isolate* isolate = i::Isolate::Current();
i::Heap* heap = isolate->heap();
i::Factory* factory = isolate->factory();
TestSetup test_setup;
CpuProfilesCollection profiles;
profiles.StartProfiling("", 1);
ProfileGenerator generator(&profiles);
ProfilerEventsProcessor processor(&generator);
processor.Start();
// Enqueue code creation events.
i::HandleScope scope(isolate);
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());
}
// 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) {
LocalContext env;
v8::HandleScope scope(env->GetIsolate());
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) {
LocalContext env;
v8::HandleScope scope(env->GetIsolate());
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));
}