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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 #ifndef V8_CPU_PROFILER_H_ | 5 #ifndef V8_CPU_PROFILER_H_ |
6 #define V8_CPU_PROFILER_H_ | 6 #define V8_CPU_PROFILER_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/base/atomicops.h" | 9 #include "src/base/atomicops.h" |
10 #include "src/base/platform/time.h" | 10 #include "src/base/platform/time.h" |
11 #include "src/circular-queue.h" | 11 #include "src/circular-queue.h" |
12 #include "src/compiler.h" | 12 #include "src/compiler.h" |
13 #include "src/sampler.h" | 13 #include "src/sampler.h" |
14 #include "src/unbound-queue-inl.h" | 14 #include "src/unbound-queue.h" |
15 | 15 |
16 namespace v8 { | 16 namespace v8 { |
17 namespace internal { | 17 namespace internal { |
18 | 18 |
19 // Forward declarations. | 19 // Forward declarations. |
20 class CodeEntry; | 20 class CodeEntry; |
21 class CodeMap; | 21 class CodeMap; |
22 class CompilationInfo; | 22 class CompilationInfo; |
23 class CpuProfile; | 23 class CpuProfile; |
24 class CpuProfilesCollection; | 24 class CpuProfilesCollection; |
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122 }; | 122 }; |
123 | 123 |
124 | 124 |
125 // This class implements both the profile events processor thread and | 125 // This class implements both the profile events processor thread and |
126 // methods called by event producers: VM and stack sampler threads. | 126 // methods called by event producers: VM and stack sampler threads. |
127 class ProfilerEventsProcessor : public base::Thread { | 127 class ProfilerEventsProcessor : public base::Thread { |
128 public: | 128 public: |
129 ProfilerEventsProcessor(ProfileGenerator* generator, | 129 ProfilerEventsProcessor(ProfileGenerator* generator, |
130 Sampler* sampler, | 130 Sampler* sampler, |
131 base::TimeDelta period); | 131 base::TimeDelta period); |
132 virtual ~ProfilerEventsProcessor() {} | 132 virtual ~ProfilerEventsProcessor(); |
133 | 133 |
134 // Thread control. | 134 // Thread control. |
135 virtual void Run(); | 135 virtual void Run(); |
136 void StopSynchronously(); | 136 void StopSynchronously(); |
137 INLINE(bool running()) { return !!base::NoBarrier_Load(&running_); } | 137 INLINE(bool running()) { return !!base::NoBarrier_Load(&running_); } |
138 void Enqueue(const CodeEventsContainer& event); | 138 void Enqueue(const CodeEventsContainer& event); |
139 | 139 |
140 // Puts current stack into tick sample events buffer. | 140 // Puts current stack into tick sample events buffer. |
141 void AddCurrentStack(Isolate* isolate); | 141 void AddCurrentStack(Isolate* isolate); |
142 void AddDeoptStack(Isolate* isolate, Address from, int fp_to_sp_delta); | 142 void AddDeoptStack(Isolate* isolate, Address from, int fp_to_sp_delta); |
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267 bool saved_is_logging_; | 267 bool saved_is_logging_; |
268 bool is_profiling_; | 268 bool is_profiling_; |
269 | 269 |
270 DISALLOW_COPY_AND_ASSIGN(CpuProfiler); | 270 DISALLOW_COPY_AND_ASSIGN(CpuProfiler); |
271 }; | 271 }; |
272 | 272 |
273 } } // namespace v8::internal | 273 } } // namespace v8::internal |
274 | 274 |
275 | 275 |
276 #endif // V8_CPU_PROFILER_H_ | 276 #endif // V8_CPU_PROFILER_H_ |
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