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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, | 59 static HeapSnapshot* TakeSnapshot(const char* name, int type); |
60 int type, | 60 static HeapSnapshot* TakeSnapshot(String* name, int type); |
61 v8::ActivityControl* control); | |
62 static HeapSnapshot* TakeSnapshot(String* name, | |
63 int type, | |
64 v8::ActivityControl* control); | |
65 static int GetSnapshotsCount(); | 61 static int GetSnapshotsCount(); |
66 static HeapSnapshot* GetSnapshot(int index); | 62 static HeapSnapshot* GetSnapshot(int index); |
67 static HeapSnapshot* FindSnapshot(unsigned uid); | 63 static HeapSnapshot* FindSnapshot(unsigned uid); |
68 | 64 |
69 static void ObjectMoveEvent(Address from, Address to); | 65 static void ObjectMoveEvent(Address from, Address to); |
70 | 66 |
71 static INLINE(bool is_profiling()) { | 67 static INLINE(bool is_profiling()) { |
72 return singleton_ != NULL && singleton_->snapshots_->is_tracking_objects(); | 68 return singleton_ != NULL && singleton_->snapshots_->is_tracking_objects(); |
73 } | 69 } |
74 | 70 |
75 // Obsolete interface. | 71 // Obsolete interface. |
76 // Write a single heap sample to the log file. | 72 // Write a single heap sample to the log file. |
77 static void WriteSample(); | 73 static void WriteSample(); |
78 | 74 |
79 private: | 75 private: |
80 HeapProfiler(); | 76 HeapProfiler(); |
81 ~HeapProfiler(); | 77 ~HeapProfiler(); |
82 HeapSnapshot* TakeSnapshotImpl(const char* name, | 78 HeapSnapshot* TakeSnapshotImpl(const char* name, int type); |
83 int type, | 79 HeapSnapshot* TakeSnapshotImpl(String* name, int type); |
84 v8::ActivityControl* control); | |
85 HeapSnapshot* TakeSnapshotImpl(String* name, | |
86 int type, | |
87 v8::ActivityControl* control); | |
88 | 80 |
89 HeapSnapshotsCollection* snapshots_; | 81 HeapSnapshotsCollection* snapshots_; |
90 unsigned next_snapshot_uid_; | 82 unsigned next_snapshot_uid_; |
91 | 83 |
92 static HeapProfiler* singleton_; | 84 static HeapProfiler* singleton_; |
93 #endif // ENABLE_LOGGING_AND_PROFILING | 85 #endif // ENABLE_LOGGING_AND_PROFILING |
94 }; | 86 }; |
95 | 87 |
96 | 88 |
97 #ifdef ENABLE_LOGGING_AND_PROFILING | 89 #ifdef ENABLE_LOGGING_AND_PROFILING |
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370 private: | 362 private: |
371 static void DoRecordJSObjectAllocation(Object* obj); | 363 static void DoRecordJSObjectAllocation(Object* obj); |
372 static bool can_log_; | 364 static bool can_log_; |
373 }; | 365 }; |
374 | 366 |
375 #endif // ENABLE_LOGGING_AND_PROFILING | 367 #endif // ENABLE_LOGGING_AND_PROFILING |
376 | 368 |
377 } } // namespace v8::internal | 369 } } // namespace v8::internal |
378 | 370 |
379 #endif // V8_HEAP_PROFILER_H_ | 371 #endif // V8_HEAP_PROFILER_H_ |
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