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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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422 * this method, all heap objects relocations done by the garbage collector | 422 * this method, all heap objects relocations done by the garbage collector |
423 * are being registered. | 423 * are being registered. |
424 */ | 424 */ |
425 static void StartHeapObjectsTracking(); | 425 static void StartHeapObjectsTracking(); |
426 | 426 |
427 /** | 427 /** |
428 * Adds a new time interval entry to the aggregated statistics array. The | 428 * Adds a new time interval entry to the aggregated statistics array. The |
429 * time interval entry contains information on the current heap objects | 429 * time interval entry contains information on the current heap objects |
430 * population size. The method also updates aggregated statistics and | 430 * population size. The method also updates aggregated statistics and |
431 * reports updates for all previous time intervals via the OutputStream | 431 * reports updates for all previous time intervals via the OutputStream |
432 * object. Updates on each time interval are provided as pairs of time | 432 * object. Updates on each time interval are provided as a triplet. It has |
433 * interval index and updated heap objects count. | 433 * time interval index, updated heap objects count and updated heap objects |
| 434 * size. |
434 * | 435 * |
435 * StartHeapObjectsTracking must be called before the first call to this | 436 * StartHeapObjectsTracking must be called before the first call to this |
436 * method. | 437 * method. |
437 */ | 438 */ |
438 static void PushHeapObjectsStats(OutputStream* stream); | 439 static void PushHeapObjectsStats(OutputStream* stream); |
439 | 440 |
440 /** | 441 /** |
441 * Stops tracking of heap objects population statistics, cleans up all | 442 * Stops tracking of heap objects population statistics, cleans up all |
442 * collected data. StartHeapObjectsTracking must be called again prior to | 443 * collected data. StartHeapObjectsTracking must be called again prior to |
443 * calling PushHeapObjectsStats next time. | 444 * calling PushHeapObjectsStats next time. |
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541 }; | 542 }; |
542 | 543 |
543 | 544 |
544 } // namespace v8 | 545 } // namespace v8 |
545 | 546 |
546 | 547 |
547 #undef V8EXPORT | 548 #undef V8EXPORT |
548 | 549 |
549 | 550 |
550 #endif // V8_V8_PROFILER_H_ | 551 #endif // V8_V8_PROFILER_H_ |
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