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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 BASE_TRACE_EVENT_MEMORY_DUMP_SESSION_STATE_H_ | 5 #ifndef BASE_TRACE_EVENT_MEMORY_DUMP_SESSION_STATE_H_ |
6 #define BASE_TRACE_EVENT_MEMORY_DUMP_SESSION_STATE_H_ | 6 #define BASE_TRACE_EVENT_MEMORY_DUMP_SESSION_STATE_H_ |
7 | 7 |
8 #include "base/base_export.h" | 8 #include "base/base_export.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/trace_event/heap_profiler_stack_frame_deduplicator.h" | 10 #include "base/trace_event/heap_profiler_stack_frame_deduplicator.h" |
| 11 #include "base/trace_event/heap_profiler_type_name_deduplicator.h" |
11 | 12 |
12 namespace base { | 13 namespace base { |
13 namespace trace_event { | 14 namespace trace_event { |
14 | 15 |
15 // Container for state variables that should be shared across all the memory | 16 // Container for state variables that should be shared across all the memory |
16 // dumps in a tracing session. | 17 // dumps in a tracing session. |
17 class BASE_EXPORT MemoryDumpSessionState | 18 class BASE_EXPORT MemoryDumpSessionState |
18 : public RefCountedThreadSafe<MemoryDumpSessionState> { | 19 : public RefCountedThreadSafe<MemoryDumpSessionState> { |
19 public: | 20 public: |
20 MemoryDumpSessionState( | 21 MemoryDumpSessionState( |
21 const scoped_refptr<StackFrameDeduplicator>& stack_frame_deduplicator); | 22 const scoped_refptr<StackFrameDeduplicator>& stack_frame_deduplicator, |
| 23 const scoped_refptr<TypeNameDeduplicator>& type_name_deduplicator); |
22 | 24 |
23 // Returns the stack frame deduplicator that should be used by memory dump | 25 // Returns the stack frame deduplicator that should be used by memory dump |
24 // providers when doing a heap dump. | 26 // providers when doing a heap dump. |
25 StackFrameDeduplicator* stack_frame_deduplicator() { | 27 StackFrameDeduplicator* stack_frame_deduplicator() { |
26 return stack_frame_deduplicator_.get(); | 28 return stack_frame_deduplicator_.get(); |
27 } | 29 } |
28 | 30 |
| 31 // Returns the type name deduplicator that should be used by memory dump |
| 32 // providers when doing a heap dump. |
| 33 TypeNameDeduplicator* type_name_deduplicator() { |
| 34 return type_name_deduplicator_.get(); |
| 35 } |
| 36 |
29 private: | 37 private: |
30 friend class RefCountedThreadSafe<MemoryDumpSessionState>; | 38 friend class RefCountedThreadSafe<MemoryDumpSessionState>; |
31 ~MemoryDumpSessionState(); | 39 ~MemoryDumpSessionState(); |
32 | 40 |
33 // Deduplicates backtraces in heap dumps so they can be written once when the | 41 // Deduplicates backtraces in heap dumps so they can be written once when the |
34 // trace is finalized. | 42 // trace is finalized. |
35 scoped_refptr<StackFrameDeduplicator> stack_frame_deduplicator_; | 43 scoped_refptr<StackFrameDeduplicator> stack_frame_deduplicator_; |
| 44 |
| 45 // Deduplicates type names in heap dumps so they can be written once when the |
| 46 // trace is finalized. |
| 47 scoped_refptr<TypeNameDeduplicator> type_name_deduplicator_; |
36 }; | 48 }; |
37 | 49 |
38 } // namespace trace_event | 50 } // namespace trace_event |
39 } // namespace base | 51 } // namespace base |
40 | 52 |
41 #endif // BASE_TRACE_EVENT_MEMORY_DUMP_SESSION_STATE_H_ | 53 #endif // BASE_TRACE_EVENT_MEMORY_DUMP_SESSION_STATE_H_ |
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