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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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156 // next record of the buffer. | 156 // next record of the buffer. |
157 inline TickSample* StartTickSample(); | 157 inline TickSample* StartTickSample(); |
158 inline void FinishTickSample(); | 158 inline void FinishTickSample(); |
159 | 159 |
160 private: | 160 private: |
161 // Called from events processing thread (Run() method.) | 161 // Called from events processing thread (Run() method.) |
162 bool ProcessCodeEvent(); | 162 bool ProcessCodeEvent(); |
163 bool ProcessTicks(); | 163 bool ProcessTicks(); |
164 | 164 |
165 void ProcessEventsAndDoSample(); | 165 void ProcessEventsAndDoSample(); |
166 void ProcessEventsAndYield(); | |
167 | 166 |
168 ProfileGenerator* generator_; | 167 ProfileGenerator* generator_; |
169 Sampler* sampler_; | 168 Sampler* sampler_; |
170 bool running_; | 169 bool running_; |
171 // Sampling period in microseconds. | 170 // Sampling period in microseconds. |
172 const TimeDelta period_; | 171 const TimeDelta period_; |
173 UnboundQueue<CodeEventsContainer> events_buffer_; | 172 UnboundQueue<CodeEventsContainer> events_buffer_; |
174 static const size_t kTickSampleBufferSize = 1 * MB; | 173 static const size_t kTickSampleBufferSize = 1 * MB; |
175 static const size_t kTickSampleQueueLength = | 174 static const size_t kTickSampleQueueLength = |
176 kTickSampleBufferSize / sizeof(TickSampleEventRecord); | 175 kTickSampleBufferSize / sizeof(TickSampleEventRecord); |
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259 void StopProcessor(); | 258 void StopProcessor(); |
260 void ResetProfiles(); | 259 void ResetProfiles(); |
261 void LogBuiltins(); | 260 void LogBuiltins(); |
262 | 261 |
263 Isolate* isolate_; | 262 Isolate* isolate_; |
264 CpuProfilesCollection* profiles_; | 263 CpuProfilesCollection* profiles_; |
265 unsigned next_profile_uid_; | 264 unsigned next_profile_uid_; |
266 ProfileGenerator* generator_; | 265 ProfileGenerator* generator_; |
267 ProfilerEventsProcessor* processor_; | 266 ProfilerEventsProcessor* processor_; |
268 bool saved_is_logging_; | 267 bool saved_is_logging_; |
269 bool need_to_stop_sampler_; | |
270 bool is_profiling_; | 268 bool is_profiling_; |
271 | 269 |
272 DISALLOW_COPY_AND_ASSIGN(CpuProfiler); | 270 DISALLOW_COPY_AND_ASSIGN(CpuProfiler); |
273 }; | 271 }; |
274 | 272 |
275 } } // namespace v8::internal | 273 } } // namespace v8::internal |
276 | 274 |
277 | 275 |
278 #endif // V8_CPU_PROFILER_H_ | 276 #endif // V8_CPU_PROFILER_H_ |
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