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Avoid unnecessary indirection when creating CodeEntries

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BUG=None

Review URL: https://codereview.chromium.org/14471035

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14446 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
yurys@chromium.org 2013-04-26 07:50:35 +00:00
parent 49ce7642be
commit f76c2ae2b7
5 changed files with 24 additions and 47 deletions
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18
src/cpu-profiler.cc
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@ -44,9 +44,11 @@ static const int kTickSamplesBufferChunksCount = 16;
static const int kProfilerStackSize = 64 * KB;
ProfilerEventsProcessor::ProfilerEventsProcessor(ProfileGenerator* generator)
ProfilerEventsProcessor::ProfilerEventsProcessor(
ProfileGenerator* generator, CpuProfilesCollection* profiles)
: Thread(Thread::Options("v8:ProfEvntProc", kProfilerStackSize)),
generator_(generator),
profiles_(profiles),
running_(true),
ticks_buffer_(sizeof(TickSampleEventRecord),
kTickSamplesBufferChunkSize,
@ -65,7 +67,7 @@ void ProfilerEventsProcessor::CallbackCreateEvent(Logger::LogEventsAndTags tag,
rec->type = CodeEventRecord::CODE_CREATION;
rec->order = ++enqueue_order_;
rec->start = start;
rec->entry = generator_->NewCodeEntry(tag, prefix, name);
rec->entry = profiles_->NewCodeEntry(tag, prefix, name);
rec->size = 1;
rec->shared = NULL;
events_buffer_.Enqueue(evt_rec);
@ -85,7 +87,7 @@ void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag,
rec->type = CodeEventRecord::CODE_CREATION;
rec->order = ++enqueue_order_;
rec->start = start;
rec->entry = generator_->NewCodeEntry(tag, name, resource_name, line_number);
rec->entry = profiles_->NewCodeEntry(tag, name, resource_name, line_number);
rec->size = size;
rec->shared = shared;
events_buffer_.Enqueue(evt_rec);
@ -102,7 +104,7 @@ void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag,
rec->type = CodeEventRecord::CODE_CREATION;
rec->order = ++enqueue_order_;
rec->start = start;
rec->entry = generator_->NewCodeEntry(tag, name);
rec->entry = profiles_->NewCodeEntry(tag, name);
rec->size = size;
rec->shared = NULL;
events_buffer_.Enqueue(evt_rec);
@ -119,7 +121,7 @@ void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag,
rec->type = CodeEventRecord::CODE_CREATION;
rec->order = ++enqueue_order_;
rec->start = start;
rec->entry = generator_->NewCodeEntry(tag, args_count);
rec->entry = profiles_->NewCodeEntry(tag, args_count);
rec->size = size;
rec->shared = NULL;
events_buffer_.Enqueue(evt_rec);
@ -162,7 +164,7 @@ void ProfilerEventsProcessor::RegExpCodeCreateEvent(
rec->type = CodeEventRecord::CODE_CREATION;
rec->order = ++enqueue_order_;
rec->start = start;
rec->entry = generator_->NewCodeEntry(tag, prefix, name);
rec->entry = profiles_->NewCodeEntry(tag, prefix, name);
rec->size = size;
events_buffer_.Enqueue(evt_rec);
}
@ -443,7 +445,7 @@ void CpuProfiler::StartProcessorIfNotStarted() {
saved_logging_nesting_ = isolate_->logger()->logging_nesting_;
isolate_->logger()->logging_nesting_ = 0;
generator_ = new ProfileGenerator(profiles_);
processor_ = new ProfilerEventsProcessor(generator_);
processor_ = new ProfilerEventsProcessor(generator_, profiles_);
is_profiling_ = true;
processor_->StartSynchronously();
// Enumerate stuff we already have in the heap.
@ -458,7 +460,7 @@ void CpuProfiler::StartProcessorIfNotStarted() {
isolate_->logger()->LogAccessorCallbacks();
}
// Enable stack sampling.
Sampler* sampler = reinterpret_cast<Sampler*>(isolate_->logger()->ticker_);
Sampler* sampler = isolate_->logger()->sampler();
sampler->IncreaseProfilingDepth();
if (!sampler->IsActive()) {
sampler->Start();

4
src/cpu-profiler.h
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@ -125,7 +125,8 @@ class TickSampleEventRecord {
// methods called by event producers: VM and stack sampler threads.
class ProfilerEventsProcessor : public Thread {
public:
explicit ProfilerEventsProcessor(ProfileGenerator* generator);
ProfilerEventsProcessor(ProfileGenerator* generator,
CpuProfilesCollection* profiles);
virtual ~ProfilerEventsProcessor() {}
// Thread control.
@ -178,6 +179,7 @@ class ProfilerEventsProcessor : public Thread {
INLINE(static bool FilterOutCodeCreateEvent(Logger::LogEventsAndTags tag));
ProfileGenerator* generator_;
CpuProfilesCollection* profiles_;
bool running_;
UnboundQueue<CodeEventsContainer> events_buffer_;
SamplingCircularQueue ticks_buffer_;

27
src/profile-generator.h
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@ -400,33 +400,6 @@ class ProfileGenerator {
public:
explicit ProfileGenerator(CpuProfilesCollection* profiles);
INLINE(CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag,
Name* name,
String* resource_name,
int line_number)) {
return profiles_->NewCodeEntry(tag, name, resource_name, line_number);
}
INLINE(CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag,
const char* name)) {
return profiles_->NewCodeEntry(tag, name);
}
INLINE(CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag,
const char* name_prefix,
Name* name)) {
return profiles_->NewCodeEntry(tag, name_prefix, name);
}
INLINE(CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag,
int args_count)) {
return profiles_->NewCodeEntry(tag, args_count);
}
INLINE(CodeEntry* NewCodeEntry(int security_token_id)) {
return profiles_->NewCodeEntry(security_token_id);
}
void RecordTickSample(const TickSample& sample);
INLINE(CodeMap* code_map()) { return &code_map_; }

8
test/cctest/test-cpu-profiler.cc
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@ -48,7 +48,7 @@ using i::Vector;
TEST(StartStop) {
CpuProfilesCollection profiles;
ProfileGenerator generator(&profiles);
ProfilerEventsProcessor processor(&generator);
ProfilerEventsProcessor processor(&generator, &profiles);
processor.Start();
processor.Stop();
processor.Join();
@ -104,7 +104,7 @@ TEST(CodeEvents) {
CpuProfilesCollection profiles;
profiles.StartProfiling("", 1, false);
ProfileGenerator generator(&profiles);
ProfilerEventsProcessor processor(&generator);
ProfilerEventsProcessor processor(&generator, &profiles);
processor.Start();
// Enqueue code creation events.
@ -165,7 +165,7 @@ TEST(TickEvents) {
CpuProfilesCollection profiles;
profiles.StartProfiling("", 1, false);
ProfileGenerator generator(&profiles);
ProfilerEventsProcessor processor(&generator);
ProfilerEventsProcessor processor(&generator, &profiles);
processor.Start();
processor.CodeCreateEvent(i::Logger::BUILTIN_TAG,
@ -229,7 +229,7 @@ TEST(Issue1398) {
CpuProfilesCollection profiles;
profiles.StartProfiling("", 1, false);
ProfileGenerator generator(&profiles);
ProfilerEventsProcessor processor(&generator);
ProfilerEventsProcessor processor(&generator, &profiles);
processor.Start();
processor.CodeCreateEvent(i::Logger::BUILTIN_TAG,

14
test/cctest/test-profile-generator.cc
View File

@ -611,9 +611,9 @@ TEST(RecordTickSample) {
CpuProfilesCollection profiles;
profiles.StartProfiling("", 1, false);
ProfileGenerator generator(&profiles);
CodeEntry* entry1 = generator.NewCodeEntry(i::Logger::FUNCTION_TAG, "aaa");
CodeEntry* entry2 = generator.NewCodeEntry(i::Logger::FUNCTION_TAG, "bbb");
CodeEntry* entry3 = generator.NewCodeEntry(i::Logger::FUNCTION_TAG, "ccc");
CodeEntry* entry1 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "aaa");
CodeEntry* entry2 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "bbb");
CodeEntry* entry3 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "ccc");
generator.code_map()->AddCode(ToAddress(0x1500), entry1, 0x200);
generator.code_map()->AddCode(ToAddress(0x1700), entry2, 0x100);
generator.code_map()->AddCode(ToAddress(0x1900), entry3, 0x50);
@ -727,9 +727,9 @@ TEST(SampleIds) {
CpuProfilesCollection profiles;
profiles.StartProfiling("", 1, true);
ProfileGenerator generator(&profiles);
CodeEntry* entry1 = generator.NewCodeEntry(i::Logger::FUNCTION_TAG, "aaa");
CodeEntry* entry2 = generator.NewCodeEntry(i::Logger::FUNCTION_TAG, "bbb");
CodeEntry* entry3 = generator.NewCodeEntry(i::Logger::FUNCTION_TAG, "ccc");
CodeEntry* entry1 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "aaa");
CodeEntry* entry2 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "bbb");
CodeEntry* entry3 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "ccc");
generator.code_map()->AddCode(ToAddress(0x1500), entry1, 0x200);
generator.code_map()->AddCode(ToAddress(0x1700), entry2, 0x100);
generator.code_map()->AddCode(ToAddress(0x1900), entry3, 0x50);
@ -776,7 +776,7 @@ TEST(NoSamples) {
CpuProfilesCollection profiles;
profiles.StartProfiling("", 1, false);
ProfileGenerator generator(&profiles);
CodeEntry* entry1 = generator.NewCodeEntry(i::Logger::FUNCTION_TAG, "aaa");
CodeEntry* entry1 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "aaa");
generator.code_map()->AddCode(ToAddress(0x1500), entry1, 0x200);
// We are building the following calls tree: