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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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149 | 149 |
150 // This class implements both the profile events processor thread and | 150 // This class implements both the profile events processor thread and |
151 // methods called by event producers: VM and stack sampler threads. | 151 // methods called by event producers: VM and stack sampler threads. |
152 class ProfilerEventsProcessor : public Thread { | 152 class ProfilerEventsProcessor : public Thread { |
153 public: | 153 public: |
154 explicit ProfilerEventsProcessor(ProfileGenerator* generator); | 154 explicit ProfilerEventsProcessor(ProfileGenerator* generator); |
155 virtual ~ProfilerEventsProcessor() {} | 155 virtual ~ProfilerEventsProcessor() {} |
156 | 156 |
157 // Thread control. | 157 // Thread control. |
158 virtual void Run(); | 158 virtual void Run(); |
159 inline void Stop() { running_ = false; } | 159 void StopSynchronously(); |
160 INLINE(bool running()) { return running_; } | 160 INLINE(bool running()) { return running_; } |
161 void Enqueue(const CodeEventsContainer& event); | 161 void Enqueue(const CodeEventsContainer& event); |
162 | 162 |
163 // Puts current stack into tick sample events buffer. | 163 // Puts current stack into tick sample events buffer. |
164 void AddCurrentStack(Isolate* isolate); | 164 void AddCurrentStack(Isolate* isolate); |
165 | 165 |
166 // Tick sample events are filled directly in the buffer of the circular | 166 // Tick sample events are filled directly in the buffer of the circular |
167 // queue (because the structure is of fixed width, but usually not all | 167 // queue (because the structure is of fixed width, but usually not all |
168 // stack frame entries are filled.) This method returns a pointer to the | 168 // stack frame entries are filled.) This method returns a pointer to the |
169 // next record of the buffer. | 169 // next record of the buffer. |
170 INLINE(TickSample* TickSampleEvent()); | 170 INLINE(TickSample* TickSampleEvent()); |
171 | 171 |
172 private: | 172 private: |
173 // Called from events processing thread (Run() method.) | 173 // Called from events processing thread (Run() method.) |
174 bool ProcessCodeEvent(unsigned* dequeue_order); | 174 bool ProcessCodeEvent(); |
175 bool ProcessTicks(unsigned dequeue_order); | 175 bool ProcessTicks(); |
176 | 176 |
177 ProfileGenerator* generator_; | 177 ProfileGenerator* generator_; |
178 bool running_; | 178 bool running_; |
179 UnboundQueue<CodeEventsContainer> events_buffer_; | 179 UnboundQueue<CodeEventsContainer> events_buffer_; |
180 SamplingCircularQueue ticks_buffer_; | 180 SamplingCircularQueue ticks_buffer_; |
181 UnboundQueue<TickSampleEventRecord> ticks_from_vm_buffer_; | 181 UnboundQueue<TickSampleEventRecord> ticks_from_vm_buffer_; |
182 unsigned enqueue_order_; | 182 unsigned last_code_event_id_; |
| 183 unsigned last_processed_code_event_id_; |
183 }; | 184 }; |
184 | 185 |
185 | 186 |
186 #define PROFILE(IsolateGetter, Call) \ | 187 #define PROFILE(IsolateGetter, Call) \ |
187 do { \ | 188 do { \ |
188 Isolate* cpu_profiler_isolate = (IsolateGetter); \ | 189 Isolate* cpu_profiler_isolate = (IsolateGetter); \ |
189 LOG_CODE_EVENT(cpu_profiler_isolate, Call); \ | 190 LOG_CODE_EVENT(cpu_profiler_isolate, Call); \ |
190 CpuProfiler* cpu_profiler = cpu_profiler_isolate->cpu_profiler(); \ | 191 CpuProfiler* cpu_profiler = cpu_profiler_isolate->cpu_profiler(); \ |
191 if (cpu_profiler->is_profiling()) { \ | 192 if (cpu_profiler->is_profiling()) { \ |
192 cpu_profiler->Call; \ | 193 cpu_profiler->Call; \ |
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244 void GetterCallbackEvent(Name* name, Address entry_point); | 245 void GetterCallbackEvent(Name* name, Address entry_point); |
245 void RegExpCodeCreateEvent(Code* code, String* source); | 246 void RegExpCodeCreateEvent(Code* code, String* source); |
246 void SetterCallbackEvent(Name* name, Address entry_point); | 247 void SetterCallbackEvent(Name* name, Address entry_point); |
247 void SharedFunctionInfoMoveEvent(Address from, Address to); | 248 void SharedFunctionInfoMoveEvent(Address from, Address to); |
248 | 249 |
249 INLINE(bool is_profiling() const) { return is_profiling_; } | 250 INLINE(bool is_profiling() const) { return is_profiling_; } |
250 bool* is_profiling_address() { | 251 bool* is_profiling_address() { |
251 return &is_profiling_; | 252 return &is_profiling_; |
252 } | 253 } |
253 | 254 |
| 255 ProfileGenerator* generator() const { return generator_; } |
| 256 ProfilerEventsProcessor* processor() const { return processor_; } |
| 257 |
254 private: | 258 private: |
255 void StartProcessorIfNotStarted(); | 259 void StartProcessorIfNotStarted(); |
256 void StopProcessorIfLastProfile(const char* title); | 260 void StopProcessorIfLastProfile(const char* title); |
257 void StopProcessor(); | 261 void StopProcessor(); |
258 void ResetProfiles(); | 262 void ResetProfiles(); |
259 void LogBuiltins(); | 263 void LogBuiltins(); |
260 | 264 |
261 Isolate* isolate_; | 265 Isolate* isolate_; |
262 CpuProfilesCollection* profiles_; | 266 CpuProfilesCollection* profiles_; |
263 unsigned next_profile_uid_; | 267 unsigned next_profile_uid_; |
264 TokenEnumerator* token_enumerator_; | 268 TokenEnumerator* token_enumerator_; |
265 ProfileGenerator* generator_; | 269 ProfileGenerator* generator_; |
266 ProfilerEventsProcessor* processor_; | 270 ProfilerEventsProcessor* processor_; |
267 int saved_logging_nesting_; | 271 int saved_logging_nesting_; |
268 bool need_to_stop_sampler_; | 272 bool need_to_stop_sampler_; |
269 bool is_profiling_; | 273 bool is_profiling_; |
270 | 274 |
271 private: | 275 private: |
272 DISALLOW_COPY_AND_ASSIGN(CpuProfiler); | 276 DISALLOW_COPY_AND_ASSIGN(CpuProfiler); |
273 }; | 277 }; |
274 | 278 |
275 } } // namespace v8::internal | 279 } } // namespace v8::internal |
276 | 280 |
277 | 281 |
278 #endif // V8_CPU_PROFILER_H_ | 282 #endif // V8_CPU_PROFILER_H_ |
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