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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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39 #define HEAP_PROFILE(heap, call) \ | 39 #define HEAP_PROFILE(heap, call) \ |
40 do { \ | 40 do { \ |
41 v8::internal::HeapProfiler* profiler = heap->isolate()->heap_profiler(); \ | 41 v8::internal::HeapProfiler* profiler = heap->isolate()->heap_profiler(); \ |
42 if (profiler != NULL && profiler->is_profiling()) { \ | 42 if (profiler != NULL && profiler->is_profiling()) { \ |
43 profiler->call; \ | 43 profiler->call; \ |
44 } \ | 44 } \ |
45 } while (false) | 45 } while (false) |
46 | 46 |
47 class HeapProfiler { | 47 class HeapProfiler { |
48 public: | 48 public: |
49 static void SetUp(); | 49 explicit HeapProfiler(Heap* heap); |
50 static void TearDown(); | 50 ~HeapProfiler(); |
51 | 51 |
52 static size_t GetMemorySizeUsedByProfiler(); | 52 size_t GetMemorySizeUsedByProfiler(); |
53 | 53 |
54 static HeapSnapshot* TakeSnapshot( | 54 HeapSnapshot* TakeSnapshot( |
55 const char* name, | 55 const char* name, |
56 int type, | 56 int type, |
57 v8::ActivityControl* control, | 57 v8::ActivityControl* control, |
58 v8::HeapProfiler::ObjectNameResolver* resolver); | 58 v8::HeapProfiler::ObjectNameResolver* resolver); |
59 static HeapSnapshot* TakeSnapshot( | 59 HeapSnapshot* TakeSnapshot( |
60 String* name, | 60 String* name, |
61 int type, | 61 int type, |
62 v8::ActivityControl* control, | 62 v8::ActivityControl* control, |
63 v8::HeapProfiler::ObjectNameResolver* resolver); | 63 v8::HeapProfiler::ObjectNameResolver* resolver); |
64 | 64 |
65 static void StartHeapObjectsTracking(); | 65 void StartHeapObjectsTracking(); |
66 static void StopHeapObjectsTracking(); | 66 void StopHeapObjectsTracking(); |
67 static SnapshotObjectId PushHeapObjectsStats(OutputStream* stream); | 67 SnapshotObjectId PushHeapObjectsStats(OutputStream* stream); |
68 static int GetSnapshotsCount(); | 68 int GetSnapshotsCount(); |
69 static HeapSnapshot* GetSnapshot(int index); | 69 HeapSnapshot* GetSnapshot(int index); |
70 static HeapSnapshot* FindSnapshot(unsigned uid); | 70 HeapSnapshot* FindSnapshot(unsigned uid); |
71 static SnapshotObjectId GetSnapshotObjectId(Handle<Object> obj); | 71 SnapshotObjectId GetSnapshotObjectId(Handle<Object> obj); |
72 static void DeleteAllSnapshots(); | 72 void DeleteAllSnapshots(); |
73 | 73 |
74 void ObjectMoveEvent(Address from, Address to); | 74 void ObjectMoveEvent(Address from, Address to); |
75 | 75 |
76 void DefineWrapperClass( | 76 void DefineWrapperClass( |
77 uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback); | 77 uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback); |
78 | 78 |
79 v8::RetainedObjectInfo* ExecuteWrapperClassCallback(uint16_t class_id, | 79 v8::RetainedObjectInfo* ExecuteWrapperClassCallback(uint16_t class_id, |
80 Object** wrapper); | 80 Object** wrapper); |
81 INLINE(bool is_profiling()) { | 81 INLINE(bool is_profiling()) { |
82 return snapshots_->is_tracking_objects(); | 82 return snapshots_->is_tracking_objects(); |
83 } | 83 } |
84 | 84 |
85 private: | 85 private: |
86 explicit HeapProfiler(Heap* heap); | |
87 ~HeapProfiler(); | |
88 HeapSnapshot* TakeSnapshotImpl( | |
89 const char* name, | |
90 int type, | |
91 v8::ActivityControl* control, | |
92 v8::HeapProfiler::ObjectNameResolver* resolver); | |
93 HeapSnapshot* TakeSnapshotImpl( | |
94 String* name, | |
95 int type, | |
96 v8::ActivityControl* control, | |
97 v8::HeapProfiler::ObjectNameResolver* resolver); | |
98 void ResetSnapshots(); | |
99 | |
100 void StartHeapObjectsTrackingImpl(); | |
101 void StopHeapObjectsTrackingImpl(); | |
102 SnapshotObjectId PushHeapObjectsStatsImpl(OutputStream* stream); | |
103 | |
104 Heap* heap() const { return snapshots_->heap(); } | 86 Heap* heap() const { return snapshots_->heap(); } |
105 | 87 |
106 HeapSnapshotsCollection* snapshots_; | 88 HeapSnapshotsCollection* snapshots_; |
107 unsigned next_snapshot_uid_; | 89 unsigned next_snapshot_uid_; |
108 List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_; | 90 List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_; |
109 }; | 91 }; |
110 | 92 |
111 } } // namespace v8::internal | 93 } } // namespace v8::internal |
112 | 94 |
113 #endif // V8_HEAP_PROFILER_H_ | 95 #endif // V8_HEAP_PROFILER_H_ |
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