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Issue 25655004: Print out how many AllocationMementos were found during mark-sweep. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 2 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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519 // If the first word is a forwarding address, the object has already been 519 // If the first word is a forwarding address, the object has already been
520 // copied. 520 // copied.
521 if (first_word.IsForwardingAddress()) { 521 if (first_word.IsForwardingAddress()) {
522 HeapObject* dest = first_word.ToForwardingAddress(); 522 HeapObject* dest = first_word.ToForwardingAddress();
523 ASSERT(object->GetIsolate()->heap()->InFromSpace(*p)); 523 ASSERT(object->GetIsolate()->heap()->InFromSpace(*p));
524 *p = dest; 524 *p = dest;
525 return; 525 return;
526 } 526 }
527 527
528 if (FLAG_trace_track_allocation_sites && 528 if (FLAG_trace_track_allocation_sites &&
529 AllocationSite::CanTrack(object->map()->instance_type()) && 529 AllocationSite::CanTrack(object->map()->instance_type()) &&
mvstanton 2013/10/02 10:56:45 See my other comment about CanTrack().
Hannes Payer (out of office) 2013/10/02 11:02:19 Done.
530 object->IsJSObject()) { 530 object->IsJSObject()) {
531 if (AllocationMemento::FindForJSObject(JSObject::cast(object)) != NULL) { 531 if (AllocationMemento::FindForJSObject(JSObject::cast(object), true) !=
532 object->GetIsolate()->heap()->allocation_mementos_found_on_scavenge_++; 532 NULL) {
533 object->GetIsolate()->heap()->allocation_mementos_found_++;
533 } 534 }
534 } 535 }
535 536
536 // AllocationMementos are unrooted and shouldn't survive a scavenge 537 // AllocationMementos are unrooted and shouldn't survive a scavenge
537 ASSERT(object->map() != object->GetHeap()->allocation_memento_map()); 538 ASSERT(object->map() != object->GetHeap()->allocation_memento_map());
538 // Call the slow part of scavenge object. 539 // Call the slow part of scavenge object.
539 return ScavengeObjectSlow(p, object); 540 return ScavengeObjectSlow(p, object);
540 } 541 }
541 542
542 543
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889 #ifdef DEBUG 890 #ifdef DEBUG
890 Isolate* isolate = Isolate::Current(); 891 Isolate* isolate = Isolate::Current();
891 isolate->heap()->disallow_allocation_failure_ = old_state_; 892 isolate->heap()->disallow_allocation_failure_ = old_state_;
892 #endif 893 #endif
893 } 894 }
894 895
895 896
896 } } // namespace v8::internal 897 } } // namespace v8::internal
897 898
898 #endif // V8_HEAP_INL_H_ 899 #endif // V8_HEAP_INL_H_
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