OLD | NEW |
---|---|
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 |
(...skipping 12 matching lines...) Expand all Loading... | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_CPU_PROFILER_H_ | 28 #ifndef V8_CPU_PROFILER_H_ |
29 #define V8_CPU_PROFILER_H_ | 29 #define V8_CPU_PROFILER_H_ |
30 | 30 |
31 #include "allocation.h" | 31 #include "allocation.h" |
32 #include "atomicops.h" | 32 #include "atomicops.h" |
33 #include "circular-queue.h" | |
Jakob Kummerow
2012/10/02 10:56:51
We still need this for the ASSERT in line 104.
| |
34 #include "unbound-queue.h" | 33 #include "unbound-queue.h" |
35 | 34 |
36 namespace v8 { | 35 namespace v8 { |
37 namespace internal { | 36 namespace internal { |
38 | 37 |
39 // Forward declarations. | 38 // Forward declarations. |
40 class CodeEntry; | 39 class CodeEntry; |
41 class CodeMap; | 40 class CodeMap; |
42 class CpuProfile; | 41 class CpuProfile; |
43 class CpuProfilesCollection; | 42 class CpuProfilesCollection; |
(...skipping 107 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
151 Address start, unsigned size); | 150 Address start, unsigned size); |
152 void CodeMoveEvent(Address from, Address to); | 151 void CodeMoveEvent(Address from, Address to); |
153 void CodeDeleteEvent(Address from); | 152 void CodeDeleteEvent(Address from); |
154 void SharedFunctionInfoMoveEvent(Address from, Address to); | 153 void SharedFunctionInfoMoveEvent(Address from, Address to); |
155 void RegExpCodeCreateEvent(Logger::LogEventsAndTags tag, | 154 void RegExpCodeCreateEvent(Logger::LogEventsAndTags tag, |
156 const char* prefix, String* name, | 155 const char* prefix, String* name, |
157 Address start, unsigned size); | 156 Address start, unsigned size); |
158 // Puts current stack into tick sample events buffer. | 157 // Puts current stack into tick sample events buffer. |
159 void AddCurrentStack(); | 158 void AddCurrentStack(); |
160 | 159 |
161 // Tick sample events are filled directly in the buffer of the circular | 160 // StartTickSampleEvent returns a pointer only if the ticks_buffer_ is empty, |
162 // queue (because the structure is of fixed width, but usually not all | 161 // FinishTickSampleEvent marks the ticks_buffer_ as filled. |
163 // stack frame entries are filled.) This method returns a pointer to the | 162 // Finish should be called only after successful Start (returning non-NULL |
164 // next record of the buffer. | 163 // pointer). |
165 INLINE(TickSample* TickSampleEvent()); | 164 INLINE(TickSample* StartTickSampleEvent()); |
165 INLINE(void FinishTickSampleEvent()); | |
166 | 166 |
167 private: | 167 private: |
168 union CodeEventsContainer { | 168 union CodeEventsContainer { |
169 CodeEventRecord generic; | 169 CodeEventRecord generic; |
170 #define DECLARE_CLASS(ignore, type) type type##_; | 170 #define DECLARE_CLASS(ignore, type) type type##_; |
171 CODE_EVENTS_TYPE_LIST(DECLARE_CLASS) | 171 CODE_EVENTS_TYPE_LIST(DECLARE_CLASS) |
172 #undef DECLARE_TYPE | 172 #undef DECLARE_TYPE |
173 }; | 173 }; |
174 | 174 |
175 // Called from events processing thread (Run() method.) | 175 // Called from events processing thread (Run() method.) |
176 bool ProcessCodeEvent(unsigned* dequeue_order); | 176 bool ProcessCodeEvent(unsigned* dequeue_order); |
177 bool ProcessTicks(int64_t stop_time, unsigned dequeue_order); | 177 bool ProcessTicks(unsigned dequeue_order); |
178 void ProcessEventsQueue(int64_t stop_time, unsigned* dequeue_order); | 178 void ProcessEventsQueue(int64_t stop_time, unsigned* dequeue_order); |
179 | 179 |
180 INLINE(static bool FilterOutCodeCreateEvent(Logger::LogEventsAndTags tag)); | 180 INLINE(static bool FilterOutCodeCreateEvent(Logger::LogEventsAndTags tag)); |
181 | 181 |
182 ProfileGenerator* generator_; | 182 ProfileGenerator* generator_; |
183 Sampler* sampler_; | 183 Sampler* sampler_; |
184 bool running_; | 184 bool running_; |
185 // Sampling period in microseconds. | 185 // Sampling period in microseconds. |
186 const int period_in_useconds_; | 186 const int period_in_useconds_; |
187 UnboundQueue<CodeEventsContainer> events_buffer_; | 187 UnboundQueue<CodeEventsContainer> events_buffer_; |
188 SamplingCircularQueue ticks_buffer_; | 188 TickSampleEventRecord ticks_buffer_; |
189 bool ticks_buffer_is_empty_; | |
190 bool ticks_buffer_is_initialized_; | |
189 UnboundQueue<TickSampleEventRecord> ticks_from_vm_buffer_; | 191 UnboundQueue<TickSampleEventRecord> ticks_from_vm_buffer_; |
190 unsigned enqueue_order_; | 192 unsigned enqueue_order_; |
191 }; | 193 }; |
192 | 194 |
193 } } // namespace v8::internal | 195 } } // namespace v8::internal |
194 | 196 |
195 | 197 |
196 #define PROFILE(isolate, Call) \ | 198 #define PROFILE(isolate, Call) \ |
197 LOG_CODE_EVENT(isolate, Call); \ | 199 LOG_CODE_EVENT(isolate, Call); \ |
198 do { \ | 200 do { \ |
(...skipping 18 matching lines...) Expand all Loading... | |
217 static CpuProfile* StopProfiling(const char* title); | 219 static CpuProfile* StopProfiling(const char* title); |
218 static CpuProfile* StopProfiling(Object* security_token, String* title); | 220 static CpuProfile* StopProfiling(Object* security_token, String* title); |
219 static int GetProfilesCount(); | 221 static int GetProfilesCount(); |
220 static CpuProfile* GetProfile(Object* security_token, int index); | 222 static CpuProfile* GetProfile(Object* security_token, int index); |
221 static CpuProfile* FindProfile(Object* security_token, unsigned uid); | 223 static CpuProfile* FindProfile(Object* security_token, unsigned uid); |
222 static void DeleteAllProfiles(); | 224 static void DeleteAllProfiles(); |
223 static void DeleteProfile(CpuProfile* profile); | 225 static void DeleteProfile(CpuProfile* profile); |
224 static bool HasDetachedProfiles(); | 226 static bool HasDetachedProfiles(); |
225 | 227 |
226 // Invoked from stack sampler (thread or signal handler.) | 228 // Invoked from stack sampler (thread or signal handler.) |
227 static TickSample* TickSampleEvent(Isolate* isolate); | 229 // Finish should be called only after successful Start (returning non-NULL |
230 // pointer). | |
231 static TickSample* StartTickSampleEvent(Isolate* isolate); | |
232 static void FinishTickSampleEvent(Isolate* isolate); | |
228 | 233 |
229 // Must be called via PROFILE macro, otherwise will crash when | 234 // Must be called via PROFILE macro, otherwise will crash when |
230 // profiling is not enabled. | 235 // profiling is not enabled. |
231 static void CallbackEvent(String* name, Address entry_point); | 236 static void CallbackEvent(String* name, Address entry_point); |
232 static void CodeCreateEvent(Logger::LogEventsAndTags tag, | 237 static void CodeCreateEvent(Logger::LogEventsAndTags tag, |
233 Code* code, const char* comment); | 238 Code* code, const char* comment); |
234 static void CodeCreateEvent(Logger::LogEventsAndTags tag, | 239 static void CodeCreateEvent(Logger::LogEventsAndTags tag, |
235 Code* code, String* name); | 240 Code* code, String* name); |
236 static void CodeCreateEvent(Logger::LogEventsAndTags tag, | 241 static void CodeCreateEvent(Logger::LogEventsAndTags tag, |
237 Code* code, | 242 Code* code, |
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
280 Atomic32 is_profiling_; | 285 Atomic32 is_profiling_; |
281 | 286 |
282 private: | 287 private: |
283 DISALLOW_COPY_AND_ASSIGN(CpuProfiler); | 288 DISALLOW_COPY_AND_ASSIGN(CpuProfiler); |
284 }; | 289 }; |
285 | 290 |
286 } } // namespace v8::internal | 291 } } // namespace v8::internal |
287 | 292 |
288 | 293 |
289 #endif // V8_CPU_PROFILER_H_ | 294 #endif // V8_CPU_PROFILER_H_ |
OLD | NEW |