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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/log.h" | 5 #include "src/log.h" |
| 6 | 6 |
| 7 #include <cstdarg> | 7 #include <cstdarg> |
| 8 #include <sstream> | 8 #include <sstream> |
| 9 | 9 |
| 10 #include "src/bailout-reason.h" | 10 #include "src/bailout-reason.h" |
| 11 #include "src/base/platform/platform.h" | 11 #include "src/base/platform/platform.h" |
| 12 #include "src/bootstrapper.h" | 12 #include "src/bootstrapper.h" |
| 13 #include "src/code-stubs.h" | 13 #include "src/code-stubs.h" |
| 14 #include "src/counters.h" | 14 #include "src/counters.h" |
| 15 #include "src/deoptimizer.h" | 15 #include "src/deoptimizer.h" |
| 16 #include "src/global-handles.h" | 16 #include "src/global-handles.h" |
| 17 #include "src/interpreter/bytecodes.h" | 17 #include "src/interpreter/bytecodes.h" |
| 18 #include "src/interpreter/interpreter.h" | 18 #include "src/interpreter/interpreter.h" |
| 19 #include "src/libsampler/v8-sampler.h" | 19 #include "src/libsampler/v8-sampler.h" |
| 20 #include "src/log-inl.h" | 20 #include "src/log-inl.h" |
| 21 #include "src/log-utils.h" | 21 #include "src/log-utils.h" |
| 22 #include "src/macro-assembler.h" | 22 #include "src/macro-assembler.h" |
| 23 #include "src/perf-jit.h" | 23 #include "src/perf-jit.h" |
| 24 #include "src/profiler/cpu-profiler-inl.h" | 24 #include "src/profiler/cpu-profiler-inl.h" |
| 25 #include "src/profiler/profiler-listener.h" | 25 #include "src/profiler/profiler-listener.h" |
| 26 #include "src/profiler/tick-sample.h" |
| 26 #include "src/runtime-profiler.h" | 27 #include "src/runtime-profiler.h" |
| 27 #include "src/string-stream.h" | 28 #include "src/string-stream.h" |
| 28 #include "src/vm-state-inl.h" | 29 #include "src/vm-state-inl.h" |
| 29 | 30 |
| 30 namespace v8 { | 31 namespace v8 { |
| 31 namespace internal { | 32 namespace internal { |
| 32 | 33 |
| 33 | 34 |
| 34 #define DECLARE_EVENT(ignore1, name) name, | 35 #define DECLARE_EVENT(ignore1, name) name, |
| 35 static const char* kLogEventsNames[CodeEventListener::NUMBER_OF_LOG_EVENTS] = { | 36 static const char* kLogEventsNames[CodeEventListener::NUMBER_OF_LOG_EVENTS] = { |
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| 639 void ClearProfiler() { | 640 void ClearProfiler() { |
| 640 profiler_ = NULL; | 641 profiler_ = NULL; |
| 641 if (IsActive()) Stop(); | 642 if (IsActive()) Stop(); |
| 642 DecreaseProfilingDepth(); | 643 DecreaseProfilingDepth(); |
| 643 sampling_thread_->Join(); | 644 sampling_thread_->Join(); |
| 644 } | 645 } |
| 645 | 646 |
| 646 void SampleStack(const v8::RegisterState& state) override { | 647 void SampleStack(const v8::RegisterState& state) override { |
| 647 if (!profiler_) return; | 648 if (!profiler_) return; |
| 648 v8::Isolate* v8_isolate = isolate(); | 649 v8::Isolate* v8_isolate = isolate(); |
| 649 Isolate* isolate = reinterpret_cast<Isolate*>(v8_isolate); | 650 Isolate* i_isolate = reinterpret_cast<Isolate*>(v8_isolate); |
| 650 #if defined(USE_SIMULATOR) | 651 #if defined(USE_SIMULATOR) |
| 651 if (!SimulatorHelper::FillRegisters(isolate, | 652 if (!SimulatorHelper::FillRegisters(i_isolate, |
| 652 const_cast<v8::RegisterState*>(&state))) | 653 const_cast<v8::RegisterState*>(&state))) |
| 653 return; | 654 return; |
| 654 #endif | 655 #endif |
| 655 TickSample sample; | 656 TickSample sample; |
| 656 sample.Init(isolate, state, TickSample::kIncludeCEntryFrame, true); | 657 sample.Init(i_isolate, state, TickSample::kIncludeCEntryFrame, true); |
| 657 profiler_->Insert(&sample); | 658 profiler_->Insert(&sample); |
| 658 } | 659 } |
| 659 | 660 |
| 660 private: | 661 private: |
| 661 Profiler* profiler_; | 662 Profiler* profiler_; |
| 662 SamplingThread* sampling_thread_; | 663 SamplingThread* sampling_thread_; |
| 663 }; | 664 }; |
| 664 | 665 |
| 665 | 666 |
| 666 // | 667 // |
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| 1366 msg.WriteToLogFile(); | 1367 msg.WriteToLogFile(); |
| 1367 } | 1368 } |
| 1368 | 1369 |
| 1369 void Logger::TickEvent(TickSample* sample, bool overflow) { | 1370 void Logger::TickEvent(TickSample* sample, bool overflow) { |
| 1370 if (!log_->IsEnabled() || !FLAG_prof_cpp) return; | 1371 if (!log_->IsEnabled() || !FLAG_prof_cpp) return; |
| 1371 if (FLAG_runtime_call_stats) { | 1372 if (FLAG_runtime_call_stats) { |
| 1372 RuntimeCallTimerEvent(); | 1373 RuntimeCallTimerEvent(); |
| 1373 } | 1374 } |
| 1374 Log::MessageBuilder msg(log_); | 1375 Log::MessageBuilder msg(log_); |
| 1375 msg.Append("%s,", kLogEventsNames[CodeEventListener::TICK_EVENT]); | 1376 msg.Append("%s,", kLogEventsNames[CodeEventListener::TICK_EVENT]); |
| 1376 msg.AppendAddress(sample->pc); | 1377 msg.AppendAddress(reinterpret_cast<Address>(sample->pc)); |
| 1377 msg.Append(",%d", static_cast<int>(timer_.Elapsed().InMicroseconds())); | 1378 msg.Append(",%d", static_cast<int>(timer_.Elapsed().InMicroseconds())); |
| 1378 if (sample->has_external_callback) { | 1379 if (sample->has_external_callback) { |
| 1379 msg.Append(",1,"); | 1380 msg.Append(",1,"); |
| 1380 msg.AppendAddress(sample->external_callback_entry); | 1381 msg.AppendAddress( |
| 1382 reinterpret_cast<Address>(sample->external_callback_entry)); |
| 1381 } else { | 1383 } else { |
| 1382 msg.Append(",0,"); | 1384 msg.Append(",0,"); |
| 1383 msg.AppendAddress(sample->tos); | 1385 msg.AppendAddress(reinterpret_cast<Address>(sample->tos)); |
| 1384 } | 1386 } |
| 1385 msg.Append(",%d", static_cast<int>(sample->state)); | 1387 msg.Append(",%d", static_cast<int>(sample->state)); |
| 1386 if (overflow) { | 1388 if (overflow) { |
| 1387 msg.Append(",overflow"); | 1389 msg.Append(",overflow"); |
| 1388 } | 1390 } |
| 1389 for (unsigned i = 0; i < sample->frames_count; ++i) { | 1391 for (unsigned i = 0; i < sample->frames_count; ++i) { |
| 1390 msg.Append(','); | 1392 msg.Append(','); |
| 1391 msg.AppendAddress(sample->stack[i]); | 1393 msg.AppendAddress(reinterpret_cast<Address>(sample->stack[i])); |
| 1392 } | 1394 } |
| 1393 msg.WriteToLogFile(); | 1395 msg.WriteToLogFile(); |
| 1394 } | 1396 } |
| 1395 | 1397 |
| 1396 | 1398 |
| 1397 void Logger::StopProfiler() { | 1399 void Logger::StopProfiler() { |
| 1398 if (!log_->IsEnabled()) return; | 1400 if (!log_->IsEnabled()) return; |
| 1399 if (profiler_ != NULL) { | 1401 if (profiler_ != NULL) { |
| 1400 profiler_->pause(); | 1402 profiler_->pause(); |
| 1401 is_logging_ = false; | 1403 is_logging_ = false; |
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| 1869 | 1871 |
| 1870 if (profiler_listener_.get() != nullptr) { | 1872 if (profiler_listener_.get() != nullptr) { |
| 1871 removeCodeEventListener(profiler_listener_.get()); | 1873 removeCodeEventListener(profiler_listener_.get()); |
| 1872 } | 1874 } |
| 1873 | 1875 |
| 1874 return log_->Close(); | 1876 return log_->Close(); |
| 1875 } | 1877 } |
| 1876 | 1878 |
| 1877 } // namespace internal | 1879 } // namespace internal |
| 1878 } // namespace v8 | 1880 } // namespace v8 |
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