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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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222 m_liveRootGroupIdSet = true; | 222 m_liveRootGroupIdSet = true; |
223 ++m_domObjectsWithPendingActivity; | 223 ++m_domObjectsWithPendingActivity; |
224 } | 224 } |
225 return id; | 225 return id; |
226 } | 226 } |
227 | 227 |
228 v8::Isolate* m_isolate; | 228 v8::Isolate* m_isolate; |
229 // v8 guarantees that Blink will not regain control while a v8 GC runs | 229 // v8 guarantees that Blink will not regain control while a v8 GC runs |
230 // (=> no Oilpan GCs will be triggered), hence raw, untraced members | 230 // (=> no Oilpan GCs will be triggered), hence raw, untraced members |
231 // can safely be kept here. | 231 // can safely be kept here. |
232 Vector<RawPtrWillBeUntracedMember<Node>> m_groupsWhichNeedRetainerInfo; | 232 Vector<UntracedMember<Node>> m_groupsWhichNeedRetainerInfo; |
233 int m_domObjectsWithPendingActivity; | 233 int m_domObjectsWithPendingActivity; |
234 bool m_liveRootGroupIdSet; | 234 bool m_liveRootGroupIdSet; |
235 bool m_constructRetainedObjectInfos; | 235 bool m_constructRetainedObjectInfos; |
236 }; | 236 }; |
237 | 237 |
238 static unsigned long long usedHeapSize(v8::Isolate* isolate) | 238 static unsigned long long usedHeapSize(v8::Isolate* isolate) |
239 { | 239 { |
240 v8::HeapStatistics heapStatistics; | 240 v8::HeapStatistics heapStatistics; |
241 isolate->GetHeapStatistics(&heapStatistics); | 241 isolate->GetHeapStatistics(&heapStatistics); |
242 return heapStatistics.used_heap_size(); | 242 return heapStatistics.used_heap_size(); |
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479 // | 479 // |
480 /* && toExecutionContext(wrapper->creationContext()) == m_executionC
ontext */ | 480 /* && toExecutionContext(wrapper->creationContext()) == m_executionC
ontext */ |
481 ) | 481 ) |
482 m_pendingActivityFound = true; | 482 m_pendingActivityFound = true; |
483 } | 483 } |
484 | 484 |
485 bool pendingActivityFound() const { return m_pendingActivityFound; } | 485 bool pendingActivityFound() const { return m_pendingActivityFound; } |
486 | 486 |
487 private: | 487 private: |
488 v8::Isolate* m_isolate; | 488 v8::Isolate* m_isolate; |
489 RawPtrWillBePersistent<ExecutionContext> m_executionContext; | 489 Persistent<ExecutionContext> m_executionContext; |
490 bool m_pendingActivityFound; | 490 bool m_pendingActivityFound; |
491 }; | 491 }; |
492 | 492 |
493 bool V8GCController::hasPendingActivity(v8::Isolate* isolate, ExecutionContext*
executionContext) | 493 bool V8GCController::hasPendingActivity(v8::Isolate* isolate, ExecutionContext*
executionContext) |
494 { | 494 { |
495 // V8GCController::hasPendingActivity is used only when a worker checks if | 495 // V8GCController::hasPendingActivity is used only when a worker checks if |
496 // the worker contains any wrapper that has pending activities. | 496 // the worker contains any wrapper that has pending activities. |
497 ASSERT(!isMainThread()); | 497 ASSERT(!isMainThread()); |
498 | 498 |
499 DEFINE_THREAD_SAFE_STATIC_LOCAL(CustomCountHistogram, scanPendingActivityHis
togram, new CustomCountHistogram("Blink.ScanPendingActivityDuration", 1, 1000, 5
0)); | 499 DEFINE_THREAD_SAFE_STATIC_LOCAL(CustomCountHistogram, scanPendingActivityHis
togram, new CustomCountHistogram("Blink.ScanPendingActivityDuration", 1, 1000, 5
0)); |
500 double startTime = WTF::currentTimeMS(); | 500 double startTime = WTF::currentTimeMS(); |
501 v8::HandleScope scope(isolate); | 501 v8::HandleScope scope(isolate); |
502 PendingActivityVisitor visitor(isolate, executionContext); | 502 PendingActivityVisitor visitor(isolate, executionContext); |
503 toIsolate(executionContext)->VisitHandlesWithClassIds(&visitor); | 503 toIsolate(executionContext)->VisitHandlesWithClassIds(&visitor); |
504 scanPendingActivityHistogram.count(static_cast<int>(WTF::currentTimeMS() - s
tartTime)); | 504 scanPendingActivityHistogram.count(static_cast<int>(WTF::currentTimeMS() - s
tartTime)); |
505 return visitor.pendingActivityFound(); | 505 return visitor.pendingActivityFound(); |
506 } | 506 } |
507 | 507 |
508 } // namespace blink | 508 } // namespace blink |
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