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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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288 void LogCompiledFunctions(); | 288 void LogCompiledFunctions(); |
289 // Logs all accessor callbacks found in the heap. | 289 // Logs all accessor callbacks found in the heap. |
290 void LogAccessorCallbacks(); | 290 void LogAccessorCallbacks(); |
291 // Used for logging stubs found in the snapshot. | 291 // Used for logging stubs found in the snapshot. |
292 void LogCodeObjects(); | 292 void LogCodeObjects(); |
293 | 293 |
294 // Converts tag to a corresponding NATIVE_... if the script is native. | 294 // Converts tag to a corresponding NATIVE_... if the script is native. |
295 INLINE(static LogEventsAndTags ToNativeByScript(LogEventsAndTags, Script*)); | 295 INLINE(static LogEventsAndTags ToNativeByScript(LogEventsAndTags, Script*)); |
296 | 296 |
297 // Profiler's sampling interval (in milliseconds). | 297 // Profiler's sampling interval (in milliseconds). |
| 298 #if defined(ANDROID) |
| 299 // Phones and tablets have processors that are much slower than desktop |
| 300 // and laptop computers for which current heuristics are tuned. |
| 301 static const int kSamplingIntervalMs = 5; |
| 302 #else |
298 static const int kSamplingIntervalMs = 1; | 303 static const int kSamplingIntervalMs = 1; |
| 304 #endif |
299 | 305 |
300 // Callback from Log, stops profiling in case of insufficient resources. | 306 // Callback from Log, stops profiling in case of insufficient resources. |
301 void LogFailure(); | 307 void LogFailure(); |
302 | 308 |
303 private: | 309 private: |
304 class NameBuffer; | 310 class NameBuffer; |
305 class NameMap; | 311 class NameMap; |
306 | 312 |
307 Logger(); | 313 Logger(); |
308 ~Logger(); | 314 ~Logger(); |
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459 // Class that extracts stack trace, used for profiling. | 465 // Class that extracts stack trace, used for profiling. |
460 class StackTracer : public AllStatic { | 466 class StackTracer : public AllStatic { |
461 public: | 467 public: |
462 static void Trace(Isolate* isolate, TickSample* sample); | 468 static void Trace(Isolate* isolate, TickSample* sample); |
463 }; | 469 }; |
464 | 470 |
465 } } // namespace v8::internal | 471 } } // namespace v8::internal |
466 | 472 |
467 | 473 |
468 #endif // V8_LOG_H_ | 474 #endif // V8_LOG_H_ |
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