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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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49 #endif // ENABLE_LOGGING_AND_PROFILING | 49 #endif // ENABLE_LOGGING_AND_PROFILING |
50 | 50 |
51 // The HeapProfiler writes data to the log files, which can be postprocessed | 51 // The HeapProfiler writes data to the log files, which can be postprocessed |
52 // to generate .hp files for use by the GHC/Valgrind tool hp2ps. | 52 // to generate .hp files for use by the GHC/Valgrind tool hp2ps. |
53 class HeapProfiler { | 53 class HeapProfiler { |
54 public: | 54 public: |
55 static void Setup(); | 55 static void Setup(); |
56 static void TearDown(); | 56 static void TearDown(); |
57 | 57 |
58 #ifdef ENABLE_LOGGING_AND_PROFILING | 58 #ifdef ENABLE_LOGGING_AND_PROFILING |
59 static HeapSnapshot* TakeSnapshot(const char* name, int type); | 59 static HeapSnapshot* TakeSnapshot(const char* name, |
60 static HeapSnapshot* TakeSnapshot(String* name, int type); | 60 int type, |
| 61 v8::ActivityControl* control); |
| 62 static HeapSnapshot* TakeSnapshot(String* name, |
| 63 int type, |
| 64 v8::ActivityControl* control); |
61 static int GetSnapshotsCount(); | 65 static int GetSnapshotsCount(); |
62 static HeapSnapshot* GetSnapshot(int index); | 66 static HeapSnapshot* GetSnapshot(int index); |
63 static HeapSnapshot* FindSnapshot(unsigned uid); | 67 static HeapSnapshot* FindSnapshot(unsigned uid); |
64 | 68 |
65 static void ObjectMoveEvent(Address from, Address to); | 69 static void ObjectMoveEvent(Address from, Address to); |
66 | 70 |
67 static INLINE(bool is_profiling()) { | 71 static INLINE(bool is_profiling()) { |
68 return singleton_ != NULL && singleton_->snapshots_->is_tracking_objects(); | 72 return singleton_ != NULL && singleton_->snapshots_->is_tracking_objects(); |
69 } | 73 } |
70 | 74 |
71 // Obsolete interface. | 75 // Obsolete interface. |
72 // Write a single heap sample to the log file. | 76 // Write a single heap sample to the log file. |
73 static void WriteSample(); | 77 static void WriteSample(); |
74 | 78 |
75 private: | 79 private: |
76 HeapProfiler(); | 80 HeapProfiler(); |
77 ~HeapProfiler(); | 81 ~HeapProfiler(); |
78 HeapSnapshot* TakeSnapshotImpl(const char* name, int type); | 82 HeapSnapshot* TakeSnapshotImpl(const char* name, |
79 HeapSnapshot* TakeSnapshotImpl(String* name, int type); | 83 int type, |
| 84 v8::ActivityControl* control); |
| 85 HeapSnapshot* TakeSnapshotImpl(String* name, |
| 86 int type, |
| 87 v8::ActivityControl* control); |
80 | 88 |
81 HeapSnapshotsCollection* snapshots_; | 89 HeapSnapshotsCollection* snapshots_; |
82 unsigned next_snapshot_uid_; | 90 unsigned next_snapshot_uid_; |
83 | 91 |
84 static HeapProfiler* singleton_; | 92 static HeapProfiler* singleton_; |
85 #endif // ENABLE_LOGGING_AND_PROFILING | 93 #endif // ENABLE_LOGGING_AND_PROFILING |
86 }; | 94 }; |
87 | 95 |
88 | 96 |
89 #ifdef ENABLE_LOGGING_AND_PROFILING | 97 #ifdef ENABLE_LOGGING_AND_PROFILING |
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362 private: | 370 private: |
363 static void DoRecordJSObjectAllocation(Object* obj); | 371 static void DoRecordJSObjectAllocation(Object* obj); |
364 static bool can_log_; | 372 static bool can_log_; |
365 }; | 373 }; |
366 | 374 |
367 #endif // ENABLE_LOGGING_AND_PROFILING | 375 #endif // ENABLE_LOGGING_AND_PROFILING |
368 | 376 |
369 } } // namespace v8::internal | 377 } } // namespace v8::internal |
370 | 378 |
371 #endif // V8_HEAP_PROFILER_H_ | 379 #endif // V8_HEAP_PROFILER_H_ |
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