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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 285 // retrieve previously written messages. See v8.h. | 285 // retrieve previously written messages. See v8.h. |
| 286 static int GetLogLines(int from_pos, char* dest_buf, int max_size); | 286 static int GetLogLines(int from_pos, char* dest_buf, int max_size); |
| 287 | 287 |
| 288 // Logs all compiled functions found in the heap. | 288 // Logs all compiled functions found in the heap. |
| 289 static void LogCompiledFunctions(); | 289 static void LogCompiledFunctions(); |
| 290 // Logs all compiled JSFunction objects found in the heap. | 290 // Logs all compiled JSFunction objects found in the heap. |
| 291 static void LogFunctionObjects(); | 291 static void LogFunctionObjects(); |
| 292 // Logs all accessor callbacks found in the heap. | 292 // Logs all accessor callbacks found in the heap. |
| 293 static void LogAccessorCallbacks(); | 293 static void LogAccessorCallbacks(); |
| 294 // Used for logging stubs found in the snapshot. | 294 // Used for logging stubs found in the snapshot. |
| 295 static void LogCodeObject(Object* code_object); | 295 static void LogCodeObjects(); |
| 296 | 296 |
| 297 private: | 297 private: |
| 298 | 298 |
| 299 // Profiler's sampling interval (in milliseconds). | 299 // Profiler's sampling interval (in milliseconds). |
| 300 static const int kSamplingIntervalMs = 1; | 300 static const int kSamplingIntervalMs = 1; |
| 301 | 301 |
| 302 // Size of window used for log records compression. | 302 // Size of window used for log records compression. |
| 303 static const int kCompressionWindowSize = 4; | 303 static const int kCompressionWindowSize = 4; |
| 304 | 304 |
| 305 // Emits the profiler's first message. | 305 // Emits the profiler's first message. |
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| 318 // Internal configurable move event. | 318 // Internal configurable move event. |
| 319 static void DeleteEventInternal(LogEventsAndTags event, | 319 static void DeleteEventInternal(LogEventsAndTags event, |
| 320 Address from); | 320 Address from); |
| 321 | 321 |
| 322 // Emits aliases for compressed messages. | 322 // Emits aliases for compressed messages. |
| 323 static void LogAliases(); | 323 static void LogAliases(); |
| 324 | 324 |
| 325 // Emits the source code of a regexp. Used by regexp events. | 325 // Emits the source code of a regexp. Used by regexp events. |
| 326 static void LogRegExpSource(Handle<JSRegExp> regexp); | 326 static void LogRegExpSource(Handle<JSRegExp> regexp); |
| 327 | 327 |
| 328 // Used for logging stubs found in the snapshot. |
| 329 static void LogCodeObject(Object* code_object); |
| 330 |
| 328 // Emits a profiler tick event. Used by the profiler thread. | 331 // Emits a profiler tick event. Used by the profiler thread. |
| 329 static void TickEvent(TickSample* sample, bool overflow); | 332 static void TickEvent(TickSample* sample, bool overflow); |
| 330 | 333 |
| 331 static void ApiEvent(const char* name, ...); | 334 static void ApiEvent(const char* name, ...); |
| 332 | 335 |
| 333 // Logs a StringEvent regardless of whether FLAG_log is true. | 336 // Logs a StringEvent regardless of whether FLAG_log is true. |
| 334 static void UncheckedStringEvent(const char* name, const char* value); | 337 static void UncheckedStringEvent(const char* name, const char* value); |
| 335 | 338 |
| 336 // Stops logging and profiling in case of insufficient resources. | 339 // Stops logging and profiling in case of insufficient resources. |
| 337 static void StopLoggingAndProfiling(); | 340 static void StopLoggingAndProfiling(); |
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| 385 // Class that extracts stack trace, used for profiling. | 388 // Class that extracts stack trace, used for profiling. |
| 386 class StackTracer : public AllStatic { | 389 class StackTracer : public AllStatic { |
| 387 public: | 390 public: |
| 388 static void Trace(TickSample* sample); | 391 static void Trace(TickSample* sample); |
| 389 }; | 392 }; |
| 390 | 393 |
| 391 | 394 |
| 392 } } // namespace v8::internal | 395 } } // namespace v8::internal |
| 393 | 396 |
| 394 #endif // V8_LOG_H_ | 397 #endif // V8_LOG_H_ |
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