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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 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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257 SnapshotObjectId GetId() const; | 257 SnapshotObjectId GetId() const; |
258 | 258 |
259 /** Returns node's own size, in bytes. */ | 259 /** Returns node's own size, in bytes. */ |
260 int GetSelfSize() const; | 260 int GetSelfSize() const; |
261 | 261 |
262 /** Returns child nodes count of the node. */ | 262 /** Returns child nodes count of the node. */ |
263 int GetChildrenCount() const; | 263 int GetChildrenCount() const; |
264 | 264 |
265 /** Retrieves a child by index. */ | 265 /** Retrieves a child by index. */ |
266 const HeapGraphEdge* GetChild(int index) const; | 266 const HeapGraphEdge* GetChild(int index) const; |
267 | |
268 /** | |
269 * Finds and returns a value from the heap corresponding to this node, | |
270 * if the value is still reachable. | |
271 */ | |
272 Handle<Value> GetHeapValue() const; | |
273 }; | 267 }; |
274 | 268 |
275 | 269 |
276 /** | 270 /** |
277 * HeapSnapshots record the state of the JS heap at some moment. | 271 * HeapSnapshots record the state of the JS heap at some moment. |
278 */ | 272 */ |
279 class V8_EXPORT HeapSnapshot { | 273 class V8_EXPORT HeapSnapshot { |
280 public: | 274 public: |
281 enum SerializationFormat { | 275 enum SerializationFormat { |
282 kJSON = 0 // See format description near 'Serialize' method. | 276 kJSON = 0 // See format description near 'Serialize' method. |
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561 uint32_t index; // Index of the time interval that was changed. | 555 uint32_t index; // Index of the time interval that was changed. |
562 uint32_t count; // New value of count field for the interval with this index. | 556 uint32_t count; // New value of count field for the interval with this index. |
563 uint32_t size; // New value of size field for the interval with this index. | 557 uint32_t size; // New value of size field for the interval with this index. |
564 }; | 558 }; |
565 | 559 |
566 | 560 |
567 } // namespace v8 | 561 } // namespace v8 |
568 | 562 |
569 | 563 |
570 #endif // V8_V8_PROFILER_H_ | 564 #endif // V8_V8_PROFILER_H_ |
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