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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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/profiler/cpu-profiler.h" | 5 #include "src/profiler/cpu-profiler.h" |
6 | 6 |
7 #include "src/debug/debug.h" | 7 #include "src/debug/debug.h" |
8 #include "src/deoptimizer.h" | 8 #include "src/deoptimizer.h" |
9 #include "src/frames-inl.h" | 9 #include "src/frames-inl.h" |
10 #include "src/locked-queue-inl.h" | 10 #include "src/locked-queue-inl.h" |
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300 line_table->SetPosition(pc_offset, line_number); | 300 line_table->SetPosition(pc_offset, line_number); |
301 } | 301 } |
302 } | 302 } |
303 } | 303 } |
304 rec->entry = profiles_->NewCodeEntry( | 304 rec->entry = profiles_->NewCodeEntry( |
305 tag, profiles_->GetFunctionName(shared->DebugName()), | 305 tag, profiles_->GetFunctionName(shared->DebugName()), |
306 CodeEntry::kEmptyNamePrefix, | 306 CodeEntry::kEmptyNamePrefix, |
307 profiles_->GetName(InferScriptName(script_name, shared)), line, column, | 307 profiles_->GetName(InferScriptName(script_name, shared)), line, column, |
308 line_table, abstract_code->instruction_start()); | 308 line_table, abstract_code->instruction_start()); |
309 RecordInliningInfo(rec->entry, abstract_code); | 309 RecordInliningInfo(rec->entry, abstract_code); |
310 if (info) { | 310 RecordDeoptInlinedFrames(rec->entry, abstract_code); |
311 rec->entry->set_inlined_function_infos(info->inlined_function_infos()); | |
312 } | |
313 rec->entry->FillFunctionInfo(shared); | 311 rec->entry->FillFunctionInfo(shared); |
314 rec->size = abstract_code->ExecutableSize(); | 312 rec->size = abstract_code->ExecutableSize(); |
315 processor_->Enqueue(evt_rec); | 313 processor_->Enqueue(evt_rec); |
316 } | 314 } |
317 | 315 |
318 void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, | 316 void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
319 AbstractCode* code, int args_count) { | 317 AbstractCode* code, int args_count) { |
320 CodeEventsContainer evt_rec(CodeEventRecord::CODE_CREATION); | 318 CodeEventsContainer evt_rec(CodeEventRecord::CODE_CREATION); |
321 CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; | 319 CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
322 rec->start = code->address(); | 320 rec->start = code->address(); |
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346 processor_->Enqueue(evt_rec); | 344 processor_->Enqueue(evt_rec); |
347 } | 345 } |
348 | 346 |
349 void CpuProfiler::CodeDeoptEvent(Code* code, Address pc, int fp_to_sp_delta) { | 347 void CpuProfiler::CodeDeoptEvent(Code* code, Address pc, int fp_to_sp_delta) { |
350 CodeEventsContainer evt_rec(CodeEventRecord::CODE_DEOPT); | 348 CodeEventsContainer evt_rec(CodeEventRecord::CODE_DEOPT); |
351 CodeDeoptEventRecord* rec = &evt_rec.CodeDeoptEventRecord_; | 349 CodeDeoptEventRecord* rec = &evt_rec.CodeDeoptEventRecord_; |
352 Deoptimizer::DeoptInfo info = Deoptimizer::GetDeoptInfo(code, pc); | 350 Deoptimizer::DeoptInfo info = Deoptimizer::GetDeoptInfo(code, pc); |
353 rec->start = code->address(); | 351 rec->start = code->address(); |
354 rec->deopt_reason = Deoptimizer::GetDeoptReason(info.deopt_reason); | 352 rec->deopt_reason = Deoptimizer::GetDeoptReason(info.deopt_reason); |
355 rec->position = info.position; | 353 rec->position = info.position; |
356 rec->inlining_id = info.inlining_id; | 354 rec->deopt_id = info.deopt_id; |
357 processor_->Enqueue(evt_rec); | 355 processor_->Enqueue(evt_rec); |
358 processor_->AddDeoptStack(isolate_, pc, fp_to_sp_delta); | 356 processor_->AddDeoptStack(isolate_, pc, fp_to_sp_delta); |
359 } | 357 } |
360 | 358 |
361 void CpuProfiler::GetterCallbackEvent(Name* name, Address entry_point) { | 359 void CpuProfiler::GetterCallbackEvent(Name* name, Address entry_point) { |
362 CodeEventsContainer evt_rec(CodeEventRecord::CODE_CREATION); | 360 CodeEventsContainer evt_rec(CodeEventRecord::CODE_CREATION); |
363 CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; | 361 CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
364 rec->start = entry_point; | 362 rec->start = entry_point; |
365 rec->entry = profiles_->NewCodeEntry( | 363 rec->entry = profiles_->NewCodeEntry( |
366 Logger::CALLBACK_TAG, | 364 Logger::CALLBACK_TAG, |
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443 inline_entry->FillFunctionInfo(shared_info); | 441 inline_entry->FillFunctionInfo(shared_info); |
444 inline_stack.push_back(inline_entry); | 442 inline_stack.push_back(inline_entry); |
445 } | 443 } |
446 if (!inline_stack.empty()) { | 444 if (!inline_stack.empty()) { |
447 entry->AddInlineStack(pc_offset, inline_stack); | 445 entry->AddInlineStack(pc_offset, inline_stack); |
448 DCHECK(inline_stack.empty()); | 446 DCHECK(inline_stack.empty()); |
449 } | 447 } |
450 } | 448 } |
451 } | 449 } |
452 | 450 |
| 451 void CpuProfiler::RecordDeoptInlinedFrames(CodeEntry* entry, |
| 452 AbstractCode* abstract_code) { |
| 453 if (abstract_code->kind() != AbstractCode::OPTIMIZED_FUNCTION) return; |
| 454 Code* code = abstract_code->GetCode(); |
| 455 DeoptimizationInputData* deopt_input_data = |
| 456 DeoptimizationInputData::cast(code->deoptimization_data()); |
| 457 int const mask = RelocInfo::ModeMask(RelocInfo::DEOPT_ID); |
| 458 for (RelocIterator rit(code, mask); !rit.done(); rit.next()) { |
| 459 RelocInfo* reloc_info = rit.rinfo(); |
| 460 DCHECK(RelocInfo::IsDeoptId(reloc_info->rmode())); |
| 461 int deopt_id = static_cast<int>(reloc_info->data()); |
| 462 int translation_index = |
| 463 deopt_input_data->TranslationIndex(deopt_id)->value(); |
| 464 TranslationIterator it(deopt_input_data->TranslationByteArray(), |
| 465 translation_index); |
| 466 Translation::Opcode opcode = static_cast<Translation::Opcode>(it.Next()); |
| 467 DCHECK_EQ(Translation::BEGIN, opcode); |
| 468 it.Skip(Translation::NumberOfOperandsFor(opcode)); |
| 469 std::vector<CodeEntry::DeoptInlinedFrame> inlined_frames; |
| 470 while (it.HasNext() && |
| 471 Translation::BEGIN != |
| 472 (opcode = static_cast<Translation::Opcode>(it.Next()))) { |
| 473 if (opcode != Translation::JS_FRAME && |
| 474 opcode != Translation::INTERPRETED_FRAME) { |
| 475 it.Skip(Translation::NumberOfOperandsFor(opcode)); |
| 476 continue; |
| 477 } |
| 478 BailoutId ast_id = BailoutId(it.Next()); |
| 479 int shared_info_id = it.Next(); |
| 480 it.Next(); // Skip height |
| 481 SharedFunctionInfo* shared = SharedFunctionInfo::cast( |
| 482 deopt_input_data->LiteralArray()->get(shared_info_id)); |
| 483 int source_position = Deoptimizer::ComputeSourcePosition(shared, ast_id); |
| 484 int script_id = v8::UnboundScript::kNoScriptId; |
| 485 if (shared->script()->IsScript()) { |
| 486 Script* script = Script::cast(shared->script()); |
| 487 script_id = script->id(); |
| 488 } |
| 489 CodeEntry::DeoptInlinedFrame frame = {source_position, script_id}; |
| 490 inlined_frames.push_back(frame); |
| 491 } |
| 492 if (!inlined_frames.empty() && !entry->HasDeoptInlinedFramesFor(deopt_id)) { |
| 493 entry->AddDeoptInlinedFrames(deopt_id, inlined_frames); |
| 494 DCHECK(inlined_frames.empty()); |
| 495 } |
| 496 } |
| 497 } |
| 498 |
453 CpuProfiler::CpuProfiler(Isolate* isolate) | 499 CpuProfiler::CpuProfiler(Isolate* isolate) |
454 : isolate_(isolate), | 500 : isolate_(isolate), |
455 sampling_interval_(base::TimeDelta::FromMicroseconds( | 501 sampling_interval_(base::TimeDelta::FromMicroseconds( |
456 FLAG_cpu_profiler_sampling_interval)), | 502 FLAG_cpu_profiler_sampling_interval)), |
457 profiles_(new CpuProfilesCollection(isolate->heap())), | 503 profiles_(new CpuProfilesCollection(isolate->heap())), |
458 generator_(NULL), | 504 generator_(NULL), |
459 processor_(NULL), | 505 processor_(NULL), |
460 is_profiling_(false) { | 506 is_profiling_(false) { |
461 } | 507 } |
462 | 508 |
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589 Builtins::Name id = static_cast<Builtins::Name>(i); | 635 Builtins::Name id = static_cast<Builtins::Name>(i); |
590 rec->start = builtins->builtin(id)->address(); | 636 rec->start = builtins->builtin(id)->address(); |
591 rec->builtin_id = id; | 637 rec->builtin_id = id; |
592 processor_->Enqueue(evt_rec); | 638 processor_->Enqueue(evt_rec); |
593 } | 639 } |
594 } | 640 } |
595 | 641 |
596 | 642 |
597 } // namespace internal | 643 } // namespace internal |
598 } // namespace v8 | 644 } // namespace v8 |
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