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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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55 enqueue_order_(0) { | 55 enqueue_order_(0) { |
56 } | 56 } |
57 | 57 |
58 | 58 |
59 void ProfilerEventsProcessor::Enqueue(const CodeEventsContainer& event) { | 59 void ProfilerEventsProcessor::Enqueue(const CodeEventsContainer& event) { |
60 event.generic.order = ++enqueue_order_; | 60 event.generic.order = ++enqueue_order_; |
61 events_buffer_.Enqueue(event); | 61 events_buffer_.Enqueue(event); |
62 } | 62 } |
63 | 63 |
64 | 64 |
65 void ProfilerEventsProcessor::AddCurrentStack() { | 65 void ProfilerEventsProcessor::AddCurrentStack(Isolate* isolate) { |
66 TickSampleEventRecord record(enqueue_order_); | 66 TickSampleEventRecord record(enqueue_order_); |
67 TickSample* sample = &record.sample; | 67 TickSample* sample = &record.sample; |
68 Isolate* isolate = Isolate::Current(); | |
69 sample->state = isolate->current_vm_state(); | 68 sample->state = isolate->current_vm_state(); |
70 sample->pc = reinterpret_cast<Address>(sample); // Not NULL. | 69 sample->pc = reinterpret_cast<Address>(sample); // Not NULL. |
71 for (StackTraceFrameIterator it(isolate); | 70 for (StackTraceFrameIterator it(isolate); |
72 !it.done() && sample->frames_count < TickSample::kMaxFramesCount; | 71 !it.done() && sample->frames_count < TickSample::kMaxFramesCount; |
73 it.Advance()) { | 72 it.Advance()) { |
74 sample->stack[sample->frames_count++] = it.frame()->pc(); | 73 sample->stack[sample->frames_count++] = it.frame()->pc(); |
75 } | 74 } |
76 ticks_from_vm_buffer_.Enqueue(record); | 75 ticks_from_vm_buffer_.Enqueue(record); |
77 } | 76 } |
78 | 77 |
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421 | 420 |
422 void CpuProfiler::ResetProfiles() { | 421 void CpuProfiler::ResetProfiles() { |
423 delete profiles_; | 422 delete profiles_; |
424 profiles_ = new CpuProfilesCollection(); | 423 profiles_ = new CpuProfilesCollection(); |
425 } | 424 } |
426 | 425 |
427 void CpuProfiler::StartProfiling(const char* title, bool record_samples) { | 426 void CpuProfiler::StartProfiling(const char* title, bool record_samples) { |
428 if (profiles_->StartProfiling(title, next_profile_uid_++, record_samples)) { | 427 if (profiles_->StartProfiling(title, next_profile_uid_++, record_samples)) { |
429 StartProcessorIfNotStarted(); | 428 StartProcessorIfNotStarted(); |
430 } | 429 } |
431 processor_->AddCurrentStack(); | 430 processor_->AddCurrentStack(isolate_); |
432 } | 431 } |
433 | 432 |
434 | 433 |
435 void CpuProfiler::StartProfiling(String* title, bool record_samples) { | 434 void CpuProfiler::StartProfiling(String* title, bool record_samples) { |
436 StartProfiling(profiles_->GetName(title), record_samples); | 435 StartProfiling(profiles_->GetName(title), record_samples); |
437 } | 436 } |
438 | 437 |
439 | 438 |
440 void CpuProfiler::StartProcessorIfNotStarted() { | 439 void CpuProfiler::StartProcessorIfNotStarted() { |
441 if (processor_ == NULL) { | 440 if (processor_ == NULL) { |
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523 ReportBuiltinEventRecord* rec = &evt_rec.ReportBuiltinEventRecord_; | 522 ReportBuiltinEventRecord* rec = &evt_rec.ReportBuiltinEventRecord_; |
524 Builtins::Name id = static_cast<Builtins::Name>(i); | 523 Builtins::Name id = static_cast<Builtins::Name>(i); |
525 rec->start = builtins->builtin(id)->address(); | 524 rec->start = builtins->builtin(id)->address(); |
526 rec->builtin_id = id; | 525 rec->builtin_id = id; |
527 processor_->Enqueue(evt_rec); | 526 processor_->Enqueue(evt_rec); |
528 } | 527 } |
529 } | 528 } |
530 | 529 |
531 | 530 |
532 } } // namespace v8::internal | 531 } } // namespace v8::internal |
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