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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Functions used to debug memory usage, leaks, and other memory issues. | |
| 6 // All methods are effectively no-ops unless this program is being run through | |
| 7 // a supported memory tool (currently, only Purify) | |
| 8 | |
| 9 #ifndef BASE_MEMORY_MEMORY_DEBUG_H_ | |
| 10 #define BASE_MEMORY_MEMORY_DEBUG_H_ | |
| 11 #pragma once | |
| 12 | |
| 13 #include "base/base_export.h" | |
| 14 #include "base/basictypes.h" | |
| 15 | |
| 16 namespace base { | |
| 17 | |
| 18 class BASE_EXPORT MemoryDebug { | |
| 19 public: | |
| 20 // Since MIU messages are a lot of data, and we don't always want this data, | |
| 21 // we have a global switch. If disabled, *MemoryInUse are no-ops. | |
| 22 static void SetMemoryInUseEnabled(bool enabled); | |
| 23 | |
| 24 // Dump information about all memory in use. | |
| 25 static void DumpAllMemoryInUse(); | |
| 26 // Dump information about new memory in use since the last | |
| 27 // call to DumpAllMemoryInUse() or DumpNewMemoryInUse(). | |
| 28 static void DumpNewMemoryInUse(); | |
| 29 | |
| 30 // Dump information about all current memory leaks. | |
| 31 static void DumpAllLeaks(); | |
| 32 // Dump information about new memory leaks since the last | |
| 33 // call to DumpAllLeaks() or DumpNewLeaks() | |
| 34 static void DumpNewLeaks(); | |
| 35 | |
| 36 // Mark |size| bytes of memory as initialized, so it doesn't produce any UMRs | |
| 37 // or UMCs. | |
| 38 static void MarkAsInitialized(void* addr, size_t size); | |
| 39 | |
| 40 private: | |
| 41 static bool memory_in_use_; | |
| 42 | |
| 43 DISALLOW_IMPLICIT_CONSTRUCTORS(MemoryDebug); | |
| 44 }; | |
| 45 | |
| 46 } // namespace base | |
| 47 | |
| 48 #endif // BASE_MEMORY_MEMORY_DEBUG_H_ | |
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