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Issue 21173004: Version 3.20.11.1 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 7 years, 4 months ago
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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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