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Issue 8139027: Version 3.6.5 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: '' Created 9 years, 2 months ago
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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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28 #include "v8.h" 28 #include "v8.h"
29 29
30 #include "runtime-profiler.h" 30 #include "runtime-profiler.h"
31 31
32 #include "assembler.h" 32 #include "assembler.h"
33 #include "code-stubs.h" 33 #include "code-stubs.h"
34 #include "compilation-cache.h" 34 #include "compilation-cache.h"
35 #include "deoptimizer.h" 35 #include "deoptimizer.h"
36 #include "execution.h" 36 #include "execution.h"
37 #include "global-handles.h" 37 #include "global-handles.h"
38 #include "isolate-inl.h"
38 #include "mark-compact.h" 39 #include "mark-compact.h"
39 #include "platform.h" 40 #include "platform.h"
40 #include "scopeinfo.h" 41 #include "scopeinfo.h"
41 42
42 namespace v8 { 43 namespace v8 {
43 namespace internal { 44 namespace internal {
44 45
45 46
46 // Optimization sampler constants. 47 // Optimization sampler constants.
47 static const int kSamplerFrameCount = 2; 48 static const int kSamplerFrameCount = 2;
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331 // was not waiting. 332 // was not waiting.
332 if (new_state != 0) { 333 if (new_state != 0) {
333 NoBarrier_AtomicIncrement(&state_, -1); 334 NoBarrier_AtomicIncrement(&state_, -1);
334 } 335 }
335 } 336 }
336 337
337 338
338 void RuntimeProfiler::RemoveDeadSamples() { 339 void RuntimeProfiler::RemoveDeadSamples() {
339 for (int i = 0; i < kSamplerWindowSize; i++) { 340 for (int i = 0; i < kSamplerWindowSize; i++) {
340 Object* function = sampler_window_[i]; 341 Object* function = sampler_window_[i];
341 if (function != NULL && !HeapObject::cast(function)->IsMarked()) { 342 if (function != NULL &&
343 !Marking::MarkBitFrom(HeapObject::cast(function)).Get()) {
342 sampler_window_[i] = NULL; 344 sampler_window_[i] = NULL;
343 } 345 }
344 } 346 }
345 } 347 }
346 348
347 349
348 void RuntimeProfiler::UpdateSamplesAfterCompact(ObjectVisitor* visitor) { 350 void RuntimeProfiler::UpdateSamplesAfterCompact(ObjectVisitor* visitor) {
349 for (int i = 0; i < kSamplerWindowSize; i++) { 351 for (int i = 0; i < kSamplerWindowSize; i++) {
350 visitor->VisitPointer(&sampler_window_[i]); 352 visitor->VisitPointer(&sampler_window_[i]);
351 } 353 }
352 } 354 }
353 355
354 356
355 bool RuntimeProfilerRateLimiter::SuspendIfNecessary() { 357 bool RuntimeProfilerRateLimiter::SuspendIfNecessary() {
356 if (!RuntimeProfiler::IsSomeIsolateInJS()) { 358 if (!RuntimeProfiler::IsSomeIsolateInJS()) {
357 return RuntimeProfiler::WaitForSomeIsolateToEnterJS(); 359 return RuntimeProfiler::WaitForSomeIsolateToEnterJS();
358 } 360 }
359 return false; 361 return false;
360 } 362 }
361 363
362 364
363 } } // namespace v8::internal 365 } } // namespace v8::internal
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