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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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37 : snapshots_(new HeapSnapshotsCollection(heap)), | 37 : snapshots_(new HeapSnapshotsCollection(heap)), |
38 next_snapshot_uid_(1) { | 38 next_snapshot_uid_(1) { |
39 } | 39 } |
40 | 40 |
41 | 41 |
42 HeapProfiler::~HeapProfiler() { | 42 HeapProfiler::~HeapProfiler() { |
43 delete snapshots_; | 43 delete snapshots_; |
44 } | 44 } |
45 | 45 |
46 | 46 |
47 void HeapProfiler::ResetSnapshots() { | 47 void HeapProfiler::DeleteAllSnapshots() { |
48 Heap* the_heap = heap(); | 48 Heap* the_heap = heap(); |
49 delete snapshots_; | 49 delete snapshots_; |
50 snapshots_ = new HeapSnapshotsCollection(the_heap); | 50 snapshots_ = new HeapSnapshotsCollection(the_heap); |
51 } | 51 } |
52 | 52 |
53 | 53 |
54 void HeapProfiler::SetUp() { | |
55 Isolate* isolate = Isolate::Current(); | |
56 if (isolate->heap_profiler() == NULL) { | |
57 isolate->set_heap_profiler(new HeapProfiler(isolate->heap())); | |
58 } | |
59 } | |
60 | |
61 | |
62 void HeapProfiler::TearDown() { | |
63 Isolate* isolate = Isolate::Current(); | |
64 delete isolate->heap_profiler(); | |
65 isolate->set_heap_profiler(NULL); | |
66 } | |
67 | |
68 | |
69 HeapSnapshot* HeapProfiler::TakeSnapshot( | |
70 const char* name, | |
71 int type, | |
72 v8::ActivityControl* control, | |
73 v8::HeapProfiler::ObjectNameResolver* resolver) { | |
74 ASSERT(Isolate::Current()->heap_profiler() != NULL); | |
75 return Isolate::Current()->heap_profiler()->TakeSnapshotImpl(name, | |
76 type, | |
77 control, | |
78 resolver); | |
79 } | |
80 | |
81 | |
82 HeapSnapshot* HeapProfiler::TakeSnapshot( | |
83 String* name, | |
84 int type, | |
85 v8::ActivityControl* control, | |
86 v8::HeapProfiler::ObjectNameResolver* resolver) { | |
87 ASSERT(Isolate::Current()->heap_profiler() != NULL); | |
88 return Isolate::Current()->heap_profiler()->TakeSnapshotImpl(name, | |
89 type, | |
90 control, | |
91 resolver); | |
92 } | |
93 | |
94 | |
95 void HeapProfiler::StartHeapObjectsTracking() { | |
96 ASSERT(Isolate::Current()->heap_profiler() != NULL); | |
97 Isolate::Current()->heap_profiler()->StartHeapObjectsTrackingImpl(); | |
98 } | |
99 | |
100 | |
101 void HeapProfiler::StopHeapObjectsTracking() { | |
102 ASSERT(Isolate::Current()->heap_profiler() != NULL); | |
103 Isolate::Current()->heap_profiler()->StopHeapObjectsTrackingImpl(); | |
104 } | |
105 | |
106 | |
107 SnapshotObjectId HeapProfiler::PushHeapObjectsStats(v8::OutputStream* stream) { | |
108 ASSERT(Isolate::Current()->heap_profiler() != NULL); | |
109 return Isolate::Current()->heap_profiler()->PushHeapObjectsStatsImpl(stream); | |
110 } | |
111 | |
112 | |
113 void HeapProfiler::DefineWrapperClass( | 54 void HeapProfiler::DefineWrapperClass( |
114 uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback) { | 55 uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback) { |
115 ASSERT(class_id != v8::HeapProfiler::kPersistentHandleNoClassId); | 56 ASSERT(class_id != v8::HeapProfiler::kPersistentHandleNoClassId); |
116 if (wrapper_callbacks_.length() <= class_id) { | 57 if (wrapper_callbacks_.length() <= class_id) { |
117 wrapper_callbacks_.AddBlock( | 58 wrapper_callbacks_.AddBlock( |
118 NULL, class_id - wrapper_callbacks_.length() + 1); | 59 NULL, class_id - wrapper_callbacks_.length() + 1); |
119 } | 60 } |
120 wrapper_callbacks_[class_id] = callback; | 61 wrapper_callbacks_[class_id] = callback; |
121 } | 62 } |
122 | 63 |
123 | 64 |
124 v8::RetainedObjectInfo* HeapProfiler::ExecuteWrapperClassCallback( | 65 v8::RetainedObjectInfo* HeapProfiler::ExecuteWrapperClassCallback( |
125 uint16_t class_id, Object** wrapper) { | 66 uint16_t class_id, Object** wrapper) { |
126 if (wrapper_callbacks_.length() <= class_id) return NULL; | 67 if (wrapper_callbacks_.length() <= class_id) return NULL; |
127 return wrapper_callbacks_[class_id]( | 68 return wrapper_callbacks_[class_id]( |
128 class_id, Utils::ToLocal(Handle<Object>(wrapper))); | 69 class_id, Utils::ToLocal(Handle<Object>(wrapper))); |
129 } | 70 } |
130 | 71 |
131 | 72 |
132 HeapSnapshot* HeapProfiler::TakeSnapshotImpl( | 73 HeapSnapshot* HeapProfiler::TakeSnapshot( |
133 const char* name, | 74 const char* name, |
134 int type, | 75 int type, |
135 v8::ActivityControl* control, | 76 v8::ActivityControl* control, |
136 v8::HeapProfiler::ObjectNameResolver* resolver) { | 77 v8::HeapProfiler::ObjectNameResolver* resolver) { |
137 HeapSnapshot::Type s_type = static_cast<HeapSnapshot::Type>(type); | 78 HeapSnapshot::Type s_type = static_cast<HeapSnapshot::Type>(type); |
138 HeapSnapshot* result = | 79 HeapSnapshot* result = |
139 snapshots_->NewSnapshot(s_type, name, next_snapshot_uid_++); | 80 snapshots_->NewSnapshot(s_type, name, next_snapshot_uid_++); |
140 bool generation_completed = true; | 81 bool generation_completed = true; |
141 switch (s_type) { | 82 switch (s_type) { |
142 case HeapSnapshot::kFull: { | 83 case HeapSnapshot::kFull: { |
143 HeapSnapshotGenerator generator(result, control, resolver, heap()); | 84 HeapSnapshotGenerator generator(result, control, resolver, heap()); |
144 generation_completed = generator.GenerateSnapshot(); | 85 generation_completed = generator.GenerateSnapshot(); |
145 break; | 86 break; |
146 } | 87 } |
147 default: | 88 default: |
148 UNREACHABLE(); | 89 UNREACHABLE(); |
149 } | 90 } |
150 if (!generation_completed) { | 91 if (!generation_completed) { |
151 delete result; | 92 delete result; |
152 result = NULL; | 93 result = NULL; |
153 } | 94 } |
154 snapshots_->SnapshotGenerationFinished(result); | 95 snapshots_->SnapshotGenerationFinished(result); |
155 return result; | 96 return result; |
156 } | 97 } |
157 | 98 |
158 | 99 |
159 HeapSnapshot* HeapProfiler::TakeSnapshotImpl( | 100 HeapSnapshot* HeapProfiler::TakeSnapshot( |
160 String* name, | 101 String* name, |
161 int type, | 102 int type, |
162 v8::ActivityControl* control, | 103 v8::ActivityControl* control, |
163 v8::HeapProfiler::ObjectNameResolver* resolver) { | 104 v8::HeapProfiler::ObjectNameResolver* resolver) { |
164 return TakeSnapshotImpl(snapshots_->names()->GetName(name), type, control, | 105 return TakeSnapshot(snapshots_->names()->GetName(name), type, control, |
165 resolver); | 106 resolver); |
166 } | 107 } |
167 | 108 |
168 void HeapProfiler::StartHeapObjectsTrackingImpl() { | 109 void HeapProfiler::StartHeapObjectsTracking() { |
169 snapshots_->StartHeapObjectsTracking(); | 110 snapshots_->StartHeapObjectsTracking(); |
170 } | 111 } |
171 | 112 |
172 | 113 |
173 SnapshotObjectId HeapProfiler::PushHeapObjectsStatsImpl(OutputStream* stream) { | 114 SnapshotObjectId HeapProfiler::PushHeapObjectsStats(OutputStream* stream) { |
174 return snapshots_->PushHeapObjectsStats(stream); | 115 return snapshots_->PushHeapObjectsStats(stream); |
175 } | 116 } |
176 | 117 |
177 | 118 |
178 void HeapProfiler::StopHeapObjectsTrackingImpl() { | 119 void HeapProfiler::StopHeapObjectsTracking() { |
179 snapshots_->StopHeapObjectsTracking(); | 120 snapshots_->StopHeapObjectsTracking(); |
180 } | 121 } |
181 | 122 |
182 | 123 |
183 size_t HeapProfiler::GetMemorySizeUsedByProfiler() { | 124 size_t HeapProfiler::GetMemorySizeUsedByProfiler() { |
184 HeapProfiler* profiler = Isolate::Current()->heap_profiler(); | 125 return snapshots_->GetUsedMemorySize(); |
185 ASSERT(profiler != NULL); | |
186 size_t size = profiler->snapshots_->GetUsedMemorySize(); | |
187 return size; | |
188 } | 126 } |
189 | 127 |
190 | 128 |
191 int HeapProfiler::GetSnapshotsCount() { | 129 int HeapProfiler::GetSnapshotsCount() { |
192 HeapProfiler* profiler = Isolate::Current()->heap_profiler(); | 130 return snapshots_->snapshots()->length(); |
193 ASSERT(profiler != NULL); | |
194 return profiler->snapshots_->snapshots()->length(); | |
195 } | 131 } |
196 | 132 |
197 | 133 |
198 HeapSnapshot* HeapProfiler::GetSnapshot(int index) { | 134 HeapSnapshot* HeapProfiler::GetSnapshot(int index) { |
199 HeapProfiler* profiler = Isolate::Current()->heap_profiler(); | 135 return snapshots_->snapshots()->at(index); |
200 ASSERT(profiler != NULL); | |
201 return profiler->snapshots_->snapshots()->at(index); | |
202 } | 136 } |
203 | 137 |
204 | 138 |
205 HeapSnapshot* HeapProfiler::FindSnapshot(unsigned uid) { | 139 HeapSnapshot* HeapProfiler::FindSnapshot(unsigned uid) { |
206 HeapProfiler* profiler = Isolate::Current()->heap_profiler(); | 140 return snapshots_->GetSnapshot(uid); |
207 ASSERT(profiler != NULL); | |
208 return profiler->snapshots_->GetSnapshot(uid); | |
209 } | 141 } |
210 | 142 |
211 | 143 |
212 SnapshotObjectId HeapProfiler::GetSnapshotObjectId(Handle<Object> obj) { | 144 SnapshotObjectId HeapProfiler::GetSnapshotObjectId(Handle<Object> obj) { |
213 if (!obj->IsHeapObject()) | 145 if (!obj->IsHeapObject()) |
214 return v8::HeapProfiler::kUnknownObjectId; | 146 return v8::HeapProfiler::kUnknownObjectId; |
215 HeapProfiler* profiler = Isolate::Current()->heap_profiler(); | 147 return snapshots_->FindObjectId(HeapObject::cast(*obj)->address()); |
216 ASSERT(profiler != NULL); | |
217 return profiler->snapshots_->FindObjectId(HeapObject::cast(*obj)->address()); | |
218 } | 148 } |
219 | 149 |
220 | 150 |
221 void HeapProfiler::DeleteAllSnapshots() { | |
222 HeapProfiler* profiler = Isolate::Current()->heap_profiler(); | |
223 ASSERT(profiler != NULL); | |
224 profiler->ResetSnapshots(); | |
225 } | |
226 | |
227 | |
228 void HeapProfiler::ObjectMoveEvent(Address from, Address to) { | 151 void HeapProfiler::ObjectMoveEvent(Address from, Address to) { |
229 snapshots_->ObjectMoveEvent(from, to); | 152 snapshots_->ObjectMoveEvent(from, to); |
230 } | 153 } |
231 | 154 |
232 | 155 |
233 } } // namespace v8::internal | 156 } } // namespace v8::internal |
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