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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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1094 | 1094 |
1095 class HeapSnapshotGenerator : public SnapshottingProgressReportingInterface { | 1095 class HeapSnapshotGenerator : public SnapshottingProgressReportingInterface { |
1096 public: | 1096 public: |
1097 HeapSnapshotGenerator(HeapSnapshot* snapshot, | 1097 HeapSnapshotGenerator(HeapSnapshot* snapshot, |
1098 v8::ActivityControl* control); | 1098 v8::ActivityControl* control); |
1099 bool GenerateSnapshot(); | 1099 bool GenerateSnapshot(); |
1100 | 1100 |
1101 private: | 1101 private: |
1102 bool ApproximateRetainedSizes(); | 1102 bool ApproximateRetainedSizes(); |
1103 bool BuildDominatorTree(const Vector<HeapEntry*>& entries, | 1103 bool BuildDominatorTree(const Vector<HeapEntry*>& entries, |
1104 Vector<HeapEntry*>* dominators); | 1104 Vector<int>* dominators); |
1105 bool CountEntriesAndReferences(); | 1105 bool CountEntriesAndReferences(); |
1106 bool FillReferences(); | 1106 bool FillReferences(); |
1107 void FillReversePostorderIndexes(Vector<HeapEntry*>* entries); | 1107 void FillReversePostorderIndexes(Vector<HeapEntry*>* entries); |
1108 void ProgressStep(); | 1108 void ProgressStep(); |
1109 bool ProgressReport(bool force = false); | 1109 bool ProgressReport(bool force = false); |
1110 bool SetEntriesDominators(); | 1110 bool SetEntriesDominators(); |
1111 void SetProgressTotal(int iterations_count); | 1111 void SetProgressTotal(int iterations_count); |
1112 | 1112 |
1113 HeapSnapshot* snapshot_; | 1113 HeapSnapshot* snapshot_; |
1114 v8::ActivityControl* control_; | 1114 v8::ActivityControl* control_; |
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1172 | 1172 |
1173 friend class HeapSnapshotJSONSerializerEnumerator; | 1173 friend class HeapSnapshotJSONSerializerEnumerator; |
1174 friend class HeapSnapshotJSONSerializerIterator; | 1174 friend class HeapSnapshotJSONSerializerIterator; |
1175 | 1175 |
1176 DISALLOW_COPY_AND_ASSIGN(HeapSnapshotJSONSerializer); | 1176 DISALLOW_COPY_AND_ASSIGN(HeapSnapshotJSONSerializer); |
1177 }; | 1177 }; |
1178 | 1178 |
1179 } } // namespace v8::internal | 1179 } } // namespace v8::internal |
1180 | 1180 |
1181 #endif // V8_PROFILE_GENERATOR_H_ | 1181 #endif // V8_PROFILE_GENERATOR_H_ |
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