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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef WebMemoryDumpProvider_h | 5 #ifndef WebMemoryDumpProvider_h |
6 #define WebMemoryDumpProvider_h | 6 #define WebMemoryDumpProvider_h |
7 | 7 |
8 #include "WebCommon.h" | 8 #include "WebCommon.h" |
9 | 9 |
10 namespace blink { | 10 namespace blink { |
11 | 11 |
12 class WebProcessMemoryDump; | 12 class WebProcessMemoryDump; |
13 | 13 |
14 // Used to specify the type of memory dump the WebMemoryDumpProvider should | 14 // Used to specify the type of memory dump the WebMemoryDumpProvider should |
15 // generate on dump requests. | 15 // generate on dump requests. |
| 16 // TODO(hajimehoshi): Remove this and use base::trace_event:: |
| 17 // MemoryDumpLevelOfDetail instead. |
16 enum class WebMemoryDumpLevelOfDetail { | 18 enum class WebMemoryDumpLevelOfDetail { |
17 Light, | 19 Light, |
18 Detailed | 20 Detailed |
19 }; | 21 }; |
20 | 22 |
21 // Base interface to be part of the memory tracing infrastructure. Blink classes | 23 // Base interface to be part of the memory tracing infrastructure. Blink classes |
22 // can implement this interface and register themselves (see | 24 // can implement this interface and register themselves (see |
23 // Platform::registerMemoryDumpProvider()) to dump stats for their allocators. | 25 // Platform::registerMemoryDumpProvider()) to dump stats for their allocators. |
24 class BLINK_PLATFORM_EXPORT WebMemoryDumpProvider { | 26 class BLINK_PLATFORM_EXPORT WebMemoryDumpProvider { |
25 public: | 27 public: |
(...skipping 12 matching lines...) Expand all Loading... |
38 // considered invalid. | 40 // considered invalid. |
39 virtual bool onMemoryDump(WebMemoryDumpLevelOfDetail, WebProcessMemoryDump*)
= 0; | 41 virtual bool onMemoryDump(WebMemoryDumpLevelOfDetail, WebProcessMemoryDump*)
= 0; |
40 | 42 |
41 // Because Blink cannot depend on base, heap profiling bookkeeping has to | 43 // Because Blink cannot depend on base, heap profiling bookkeeping has to |
42 // be done in the glue layer for now. This method allows the glue layer to | 44 // be done in the glue layer for now. This method allows the glue layer to |
43 // detect whether the current dump provider supports heap profiling. | 45 // detect whether the current dump provider supports heap profiling. |
44 // TODO(ruuda): Remove once wtf can depend on base and do bookkeeping in the | 46 // TODO(ruuda): Remove once wtf can depend on base and do bookkeeping in the |
45 // provider itself. | 47 // provider itself. |
46 virtual bool supportsHeapProfiling() { return false; } | 48 virtual bool supportsHeapProfiling() { return false; } |
47 | 49 |
48 // Called by the memory dump manager to enable heap profiling (with | 50 // Called by the memory dump manager to enable heap profiling (with true) or |
49 // non-null hook functions) or called to disable heap profiling (with null | 51 // called to disable heap profiling (with false). |
50 // pointers). | 52 virtual void onHeapProfilingEnabled(bool enabled) {} |
51 virtual void onHeapProfilingEnabled(AllocationHook* allocationHook, FreeHook
* freeHook) {} | |
52 }; | 53 }; |
53 | 54 |
54 } // namespace blink | 55 } // namespace blink |
55 | 56 |
56 #endif // WebMemoryDumpProvider_h | 57 #endif // WebMemoryDumpProvider_h |
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