e4838df1365be74bb5cde027a33946dcbc067f68
[platform/framework/web/crosswalk.git] / src / v8 / src / heap-profiler.h
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27
28 #ifndef V8_HEAP_PROFILER_H_
29 #define V8_HEAP_PROFILER_H_
30
31 #include "heap-snapshot-generator-inl.h"
32 #include "isolate.h"
33 #include "smart-pointers.h"
34
35 namespace v8 {
36 namespace internal {
37
38 class HeapSnapshot;
39
40 class HeapProfiler {
41  public:
42   explicit HeapProfiler(Heap* heap);
43   ~HeapProfiler();
44
45   size_t GetMemorySizeUsedByProfiler();
46
47   HeapSnapshot* TakeSnapshot(
48       const char* name,
49       v8::ActivityControl* control,
50       v8::HeapProfiler::ObjectNameResolver* resolver);
51   HeapSnapshot* TakeSnapshot(
52       String* name,
53       v8::ActivityControl* control,
54       v8::HeapProfiler::ObjectNameResolver* resolver);
55
56   void StartHeapObjectsTracking(bool track_allocations);
57   void StopHeapObjectsTracking();
58   AllocationTracker* allocation_tracker() const {
59     return allocation_tracker_.get();
60   }
61   HeapObjectsMap* heap_object_map() const { return ids_.get(); }
62   StringsStorage* names() const { return names_.get(); }
63
64   SnapshotObjectId PushHeapObjectsStats(OutputStream* stream);
65   int GetSnapshotsCount();
66   HeapSnapshot* GetSnapshot(int index);
67   SnapshotObjectId GetSnapshotObjectId(Handle<Object> obj);
68   void DeleteAllSnapshots();
69   void RemoveSnapshot(HeapSnapshot* snapshot);
70
71   void ObjectMoveEvent(Address from, Address to, int size);
72
73   void AllocationEvent(Address addr, int size);
74
75   void UpdateObjectSizeEvent(Address addr, int size);
76
77   void DefineWrapperClass(
78       uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback);
79
80   v8::RetainedObjectInfo* ExecuteWrapperClassCallback(uint16_t class_id,
81                                                       Object** wrapper);
82   void SetRetainedObjectInfo(UniqueId id, RetainedObjectInfo* info);
83
84   bool is_tracking_object_moves() const { return is_tracking_object_moves_; }
85   bool is_tracking_allocations() const {
86     return !allocation_tracker_.is_empty();
87   }
88
89   Handle<HeapObject> FindHeapObjectById(SnapshotObjectId id);
90   void ClearHeapObjectMap();
91
92  private:
93   Heap* heap() const { return ids_->heap(); }
94
95   // Mapping from HeapObject addresses to objects' uids.
96   SmartPointer<HeapObjectsMap> ids_;
97   List<HeapSnapshot*> snapshots_;
98   SmartPointer<StringsStorage> names_;
99   unsigned next_snapshot_uid_;
100   List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_;
101   SmartPointer<AllocationTracker> allocation_tracker_;
102   bool is_tracking_object_moves_;
103 };
104
105 } }  // namespace v8::internal
106
107 #endif  // V8_HEAP_PROFILER_H_