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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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29 | 29 |
30 #include "heap-profiler.h" | 30 #include "heap-profiler.h" |
31 #include "heap-snapshot-generator-inl.h" | 31 #include "heap-snapshot-generator-inl.h" |
32 | 32 |
33 namespace v8 { | 33 namespace v8 { |
34 namespace internal { | 34 namespace internal { |
35 | 35 |
36 HeapProfiler::HeapProfiler(Heap* heap) | 36 HeapProfiler::HeapProfiler(Heap* heap) |
37 : snapshots_(new HeapSnapshotsCollection(heap)), | 37 : snapshots_(new HeapSnapshotsCollection(heap)), |
38 next_snapshot_uid_(1), | 38 next_snapshot_uid_(1), |
39 is_tracking_allocations_(false) { | 39 is_tracking_allocations_(false), |
| 40 is_tracking_object_moves_(false) { |
40 } | 41 } |
41 | 42 |
42 | 43 |
43 HeapProfiler::~HeapProfiler() { | 44 HeapProfiler::~HeapProfiler() { |
44 delete snapshots_; | 45 delete snapshots_; |
45 } | 46 } |
46 | 47 |
47 | 48 |
48 void HeapProfiler::DeleteAllSnapshots() { | 49 void HeapProfiler::DeleteAllSnapshots() { |
49 Heap* the_heap = heap(); | 50 Heap* the_heap = heap(); |
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77 v8::HeapProfiler::ObjectNameResolver* resolver) { | 78 v8::HeapProfiler::ObjectNameResolver* resolver) { |
78 HeapSnapshot* result = snapshots_->NewSnapshot(name, next_snapshot_uid_++); | 79 HeapSnapshot* result = snapshots_->NewSnapshot(name, next_snapshot_uid_++); |
79 { | 80 { |
80 HeapSnapshotGenerator generator(result, control, resolver, heap()); | 81 HeapSnapshotGenerator generator(result, control, resolver, heap()); |
81 if (!generator.GenerateSnapshot()) { | 82 if (!generator.GenerateSnapshot()) { |
82 delete result; | 83 delete result; |
83 result = NULL; | 84 result = NULL; |
84 } | 85 } |
85 } | 86 } |
86 snapshots_->SnapshotGenerationFinished(result); | 87 snapshots_->SnapshotGenerationFinished(result); |
| 88 is_tracking_object_moves_ = true; |
87 return result; | 89 return result; |
88 } | 90 } |
89 | 91 |
90 | 92 |
91 HeapSnapshot* HeapProfiler::TakeSnapshot( | 93 HeapSnapshot* HeapProfiler::TakeSnapshot( |
92 String* name, | 94 String* name, |
93 v8::ActivityControl* control, | 95 v8::ActivityControl* control, |
94 v8::HeapProfiler::ObjectNameResolver* resolver) { | 96 v8::HeapProfiler::ObjectNameResolver* resolver) { |
95 return TakeSnapshot(snapshots_->names()->GetName(name), control, resolver); | 97 return TakeSnapshot(snapshots_->names()->GetName(name), control, resolver); |
96 } | 98 } |
97 | 99 |
98 | 100 |
99 void HeapProfiler::StartHeapObjectsTracking() { | 101 void HeapProfiler::StartHeapObjectsTracking() { |
100 snapshots_->StartHeapObjectsTracking(); | 102 snapshots_->StartHeapObjectsTracking(); |
| 103 is_tracking_object_moves_ = true; |
101 } | 104 } |
102 | 105 |
103 | 106 |
104 SnapshotObjectId HeapProfiler::PushHeapObjectsStats(OutputStream* stream) { | 107 SnapshotObjectId HeapProfiler::PushHeapObjectsStats(OutputStream* stream) { |
105 return snapshots_->PushHeapObjectsStats(stream); | 108 return snapshots_->PushHeapObjectsStats(stream); |
106 } | 109 } |
107 | 110 |
108 | 111 |
109 void HeapProfiler::StopHeapObjectsTracking() { | 112 void HeapProfiler::StopHeapObjectsTracking() { |
110 snapshots_->StopHeapObjectsTracking(); | 113 snapshots_->StopHeapObjectsTracking(); |
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152 RetainedObjectInfo* info) { | 155 RetainedObjectInfo* info) { |
153 // TODO(yurus, marja): Don't route this information through GlobalHandles. | 156 // TODO(yurus, marja): Don't route this information through GlobalHandles. |
154 heap()->isolate()->global_handles()->SetRetainedObjectInfo(id, info); | 157 heap()->isolate()->global_handles()->SetRetainedObjectInfo(id, info); |
155 } | 158 } |
156 | 159 |
157 | 160 |
158 void HeapProfiler::StartHeapAllocationsRecording() { | 161 void HeapProfiler::StartHeapAllocationsRecording() { |
159 StartHeapObjectsTracking(); | 162 StartHeapObjectsTracking(); |
160 heap()->DisableInlineAllocation(); | 163 heap()->DisableInlineAllocation(); |
161 is_tracking_allocations_ = true; | 164 is_tracking_allocations_ = true; |
162 snapshots_->UpdateHeapObjectsMap(); | |
163 } | 165 } |
164 | 166 |
165 | 167 |
166 void HeapProfiler::StopHeapAllocationsRecording() { | 168 void HeapProfiler::StopHeapAllocationsRecording() { |
167 StopHeapObjectsTracking(); | 169 StopHeapObjectsTracking(); |
168 heap()->EnableInlineAllocation(); | 170 heap()->EnableInlineAllocation(); |
169 is_tracking_allocations_ = false; | 171 is_tracking_allocations_ = false; |
170 } | 172 } |
171 | 173 |
172 | 174 |
173 } } // namespace v8::internal | 175 } } // namespace v8::internal |
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