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| 1 // Copyright 2009-2010 the V8 project authors. All rights reserved. | 1 // Copyright 2009-2010 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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| 30 | 30 |
| 31 #include "heap-snapshot-generator-inl.h" | 31 #include "heap-snapshot-generator-inl.h" |
| 32 #include "isolate.h" | 32 #include "isolate.h" |
| 33 | 33 |
| 34 namespace v8 { | 34 namespace v8 { |
| 35 namespace internal { | 35 namespace internal { |
| 36 | 36 |
| 37 class HeapSnapshot; | 37 class HeapSnapshot; |
| 38 class HeapSnapshotsCollection; | 38 class HeapSnapshotsCollection; |
| 39 | 39 |
| 40 #define HEAP_PROFILE(heap, call) \ | |
| 41 do { \ | |
| 42 v8::internal::HeapProfiler* profiler = heap->isolate()->heap_profiler(); \ | |
| 43 if (profiler != NULL && profiler->is_profiling()) { \ | |
| 44 profiler->call; \ | |
| 45 } \ | |
| 46 } while (false) | |
| 47 | |
| 48 class HeapProfiler { | 40 class HeapProfiler { |
| 49 public: | 41 public: |
| 50 explicit HeapProfiler(Heap* heap); | 42 explicit HeapProfiler(Heap* heap); |
| 51 ~HeapProfiler(); | 43 ~HeapProfiler(); |
| 52 | 44 |
| 53 size_t GetMemorySizeUsedByProfiler(); | 45 size_t GetMemorySizeUsedByProfiler(); |
| 54 | 46 |
| 55 HeapSnapshot* TakeSnapshot( | 47 HeapSnapshot* TakeSnapshot( |
| 56 const char* name, | 48 const char* name, |
| 57 v8::ActivityControl* control, | 49 v8::ActivityControl* control, |
| 58 v8::HeapProfiler::ObjectNameResolver* resolver); | 50 v8::HeapProfiler::ObjectNameResolver* resolver); |
| 59 HeapSnapshot* TakeSnapshot( | 51 HeapSnapshot* TakeSnapshot( |
| 60 String* name, | 52 String* name, |
| 61 v8::ActivityControl* control, | 53 v8::ActivityControl* control, |
| 62 v8::HeapProfiler::ObjectNameResolver* resolver); | 54 v8::HeapProfiler::ObjectNameResolver* resolver); |
| 63 | 55 |
| 64 void StartHeapObjectsTracking(); | 56 void StartHeapObjectsTracking(); |
| 65 void StopHeapObjectsTracking(); | 57 void StopHeapObjectsTracking(); |
| 58 |
| 59 static void RecordObjectAllocationFromMasm(Isolate* isolate, |
| 60 Address obj, |
| 61 int size); |
| 62 |
| 66 SnapshotObjectId PushHeapObjectsStats(OutputStream* stream); | 63 SnapshotObjectId PushHeapObjectsStats(OutputStream* stream); |
| 67 int GetSnapshotsCount(); | 64 int GetSnapshotsCount(); |
| 68 HeapSnapshot* GetSnapshot(int index); | 65 HeapSnapshot* GetSnapshot(int index); |
| 69 SnapshotObjectId GetSnapshotObjectId(Handle<Object> obj); | 66 SnapshotObjectId GetSnapshotObjectId(Handle<Object> obj); |
| 70 void DeleteAllSnapshots(); | 67 void DeleteAllSnapshots(); |
| 71 | 68 |
| 72 void ObjectMoveEvent(Address from, Address to); | 69 void ObjectMoveEvent(Address from, Address to, int size); |
| 70 |
| 71 void NewObjectEvent(Address addr, int size); |
| 72 |
| 73 void UpdateObjectSizeEvent(Address addr, int size); |
| 73 | 74 |
| 74 void DefineWrapperClass( | 75 void DefineWrapperClass( |
| 75 uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback); | 76 uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback); |
| 76 | 77 |
| 77 v8::RetainedObjectInfo* ExecuteWrapperClassCallback(uint16_t class_id, | 78 v8::RetainedObjectInfo* ExecuteWrapperClassCallback(uint16_t class_id, |
| 78 Object** wrapper); | 79 Object** wrapper); |
| 79 INLINE(bool is_profiling()) { | 80 INLINE(bool is_profiling()) { |
| 80 return snapshots_->is_tracking_objects(); | 81 return snapshots_->is_tracking_objects(); |
| 81 } | 82 } |
| 82 | 83 |
| 83 void SetRetainedObjectInfo(UniqueId id, RetainedObjectInfo* info); | 84 void SetRetainedObjectInfo(UniqueId id, RetainedObjectInfo* info); |
| 84 | 85 |
| 86 bool is_tracking_allocations() { |
| 87 return is_tracking_allocations_; |
| 88 } |
| 89 |
| 90 void StartHeapAllocationsRecording(); |
| 91 void StopHeapAllocationsRecording(); |
| 92 |
| 93 int FindUntrackedObjects() { |
| 94 return snapshots_->FindUntrackedObjects(); |
| 95 } |
| 96 |
| 97 void DropCompiledCode(); |
| 98 |
| 85 private: | 99 private: |
| 86 Heap* heap() const { return snapshots_->heap(); } | 100 Heap* heap() const { return snapshots_->heap(); } |
| 87 | 101 |
| 88 HeapSnapshotsCollection* snapshots_; | 102 HeapSnapshotsCollection* snapshots_; |
| 89 unsigned next_snapshot_uid_; | 103 unsigned next_snapshot_uid_; |
| 90 List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_; | 104 List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_; |
| 105 bool is_tracking_allocations_; |
| 91 }; | 106 }; |
| 92 | 107 |
| 93 } } // namespace v8::internal | 108 } } // namespace v8::internal |
| 94 | 109 |
| 95 #endif // V8_HEAP_PROFILER_H_ | 110 #endif // V8_HEAP_PROFILER_H_ |
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