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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 // 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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401 kSamplerTicksBetweenThresholdAdjustment; | 401 kSamplerTicksBetweenThresholdAdjustment; |
402 } | 402 } |
403 } | 403 } |
404 | 404 |
405 | 405 |
406 void RuntimeProfiler::TearDown() { | 406 void RuntimeProfiler::TearDown() { |
407 // Nothing to do. | 407 // Nothing to do. |
408 } | 408 } |
409 | 409 |
410 | 410 |
| 411 int RuntimeProfiler::SamplerWindowSize() { |
| 412 return kSamplerWindowSize; |
| 413 } |
| 414 |
| 415 |
411 // Update the pointers in the sampler window after a GC. | 416 // Update the pointers in the sampler window after a GC. |
412 void RuntimeProfiler::UpdateSamplesAfterScavenge() { | 417 void RuntimeProfiler::UpdateSamplesAfterScavenge() { |
413 for (int i = 0; i < kSamplerWindowSize; i++) { | 418 for (int i = 0; i < kSamplerWindowSize; i++) { |
414 Object* function = sampler_window_[i]; | 419 Object* function = sampler_window_[i]; |
415 if (function != NULL && isolate_->heap()->InNewSpace(function)) { | 420 if (function != NULL && isolate_->heap()->InNewSpace(function)) { |
416 MapWord map_word = HeapObject::cast(function)->map_word(); | 421 MapWord map_word = HeapObject::cast(function)->map_word(); |
417 if (map_word.IsForwardingAddress()) { | 422 if (map_word.IsForwardingAddress()) { |
418 sampler_window_[i] = map_word.ToForwardingAddress(); | 423 sampler_window_[i] = map_word.ToForwardingAddress(); |
419 } else { | 424 } else { |
420 sampler_window_[i] = NULL; | 425 sampler_window_[i] = NULL; |
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436 | 441 |
437 | 442 |
438 void RuntimeProfiler::UpdateSamplesAfterCompact(ObjectVisitor* visitor) { | 443 void RuntimeProfiler::UpdateSamplesAfterCompact(ObjectVisitor* visitor) { |
439 for (int i = 0; i < kSamplerWindowSize; i++) { | 444 for (int i = 0; i < kSamplerWindowSize; i++) { |
440 visitor->VisitPointer(&sampler_window_[i]); | 445 visitor->VisitPointer(&sampler_window_[i]); |
441 } | 446 } |
442 } | 447 } |
443 | 448 |
444 | 449 |
445 } } // namespace v8::internal | 450 } } // namespace v8::internal |
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