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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 // This file contains the Windows-specific declarations for trace_event.h. | 5 // This file contains the Windows-specific declarations for trace_event.h. |
6 #ifndef BASE_TRACE_EVENT_WIN_H_ | 6 #ifndef BASE_DEBUG_TRACE_EVENT_WIN_H_ |
7 #define BASE_TRACE_EVENT_WIN_H_ | 7 #define BASE_DEBUG_TRACE_EVENT_WIN_H_ |
8 #pragma once | 8 #pragma once |
9 | 9 |
10 #include <string> | 10 #include <string> |
11 #include "base/event_trace_provider_win.h" | 11 #include "base/event_trace_provider_win.h" |
12 | 12 |
13 #define TRACE_EVENT_BEGIN(name, id, extra) \ | 13 #define TRACE_EVENT_BEGIN(name, id, extra) \ |
14 base::TraceLog::Trace(name, \ | 14 base::TraceLog::Trace(name, \ |
15 base::TraceLog::EVENT_BEGIN, \ | 15 base::TraceLog::EVENT_BEGIN, \ |
16 reinterpret_cast<const void*>(id), \ | 16 reinterpret_cast<const void*>(id), \ |
17 extra); | 17 extra); |
18 | 18 |
19 #define TRACE_EVENT_END(name, id, extra) \ | 19 #define TRACE_EVENT_END(name, id, extra) \ |
20 base::TraceLog::Trace(name, \ | 20 base::TraceLog::Trace(name, \ |
21 base::TraceLog::EVENT_END, \ | 21 base::TraceLog::EVENT_END, \ |
22 reinterpret_cast<const void*>(id), \ | 22 reinterpret_cast<const void*>(id), \ |
23 extra); | 23 extra); |
24 | 24 |
25 #define TRACE_EVENT_INSTANT(name, id, extra) \ | 25 #define TRACE_EVENT_INSTANT(name, id, extra) \ |
26 base::TraceLog::Trace(name, \ | 26 base::TraceLog::Trace(name, \ |
27 base::TraceLog::EVENT_INSTANT, \ | 27 base::TraceLog::EVENT_INSTANT, \ |
28 reinterpret_cast<const void*>(id), \ | 28 reinterpret_cast<const void*>(id), \ |
29 extra); | 29 extra); |
30 | 30 |
31 // Fwd. | 31 // Fwd. |
32 template <typename Type> | 32 template <typename Type> |
33 struct StaticMemorySingletonTraits; | 33 struct StaticMemorySingletonTraits; |
34 | 34 |
35 namespace base { | 35 namespace base { |
| 36 namespace debug { |
36 | 37 |
37 // This EtwTraceProvider subclass implements ETW logging | 38 // This EtwTraceProvider subclass implements ETW logging |
38 // for the macros above on Windows. | 39 // for the macros above on Windows. |
39 class TraceLog : public EtwTraceProvider { | 40 class TraceLog : public EtwTraceProvider { |
40 public: | 41 public: |
41 enum EventType { | 42 enum EventType { |
42 EVENT_BEGIN, | 43 EVENT_BEGIN, |
43 EVENT_END, | 44 EVENT_END, |
44 EVENT_INSTANT | 45 EVENT_INSTANT |
45 }; | 46 }; |
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88 return enable_level() >= TRACE_LEVEL_INFORMATION; | 89 return enable_level() >= TRACE_LEVEL_INFORMATION; |
89 } | 90 } |
90 | 91 |
91 // Emit a trace of type |type| containing |name|, |id|, and |extra|. | 92 // Emit a trace of type |type| containing |name|, |id|, and |extra|. |
92 // Note: |name| and |extra| must be NULL, or a zero-terminated string of | 93 // Note: |name| and |extra| must be NULL, or a zero-terminated string of |
93 // length |name_len| or |extra_len| respectively. | 94 // length |name_len| or |extra_len| respectively. |
94 // Note: if name_len or extra_len are -1, the length of the corresponding | 95 // Note: if name_len or extra_len are -1, the length of the corresponding |
95 // string will be used. | 96 // string will be used. |
96 void TraceEvent(const char* name, | 97 void TraceEvent(const char* name, |
97 size_t name_len, | 98 size_t name_len, |
98 base::TraceLog::EventType type, | 99 EventType type, |
99 const void* id, | 100 const void* id, |
100 const char* extra, | 101 const char* extra, |
101 size_t extra_len); | 102 size_t extra_len); |
102 | 103 |
103 // Exposed for unittesting only, allows resurrecting our | 104 // Exposed for unittesting only, allows resurrecting our |
104 // singleton instance post-AtExit processing. | 105 // singleton instance post-AtExit processing. |
105 static void Resurrect(); | 106 static void Resurrect(); |
106 | 107 |
107 private: | 108 private: |
108 // Ensure only the provider can construct us. | 109 // Ensure only the provider can construct us. |
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134 // The event format consists of: | 135 // The event format consists of: |
135 // The "name" string as a zero-terminated ASCII string. | 136 // The "name" string as a zero-terminated ASCII string. |
136 // The id pointer in the machine bitness. | 137 // The id pointer in the machine bitness. |
137 // The "extra" string as a zero-terminated ASCII string. | 138 // The "extra" string as a zero-terminated ASCII string. |
138 // Optionally the stack trace, consisting of a DWORD "depth", followed | 139 // Optionally the stack trace, consisting of a DWORD "depth", followed |
139 // by an array of void* (machine bitness) of length "depth". | 140 // by an array of void* (machine bitness) of length "depth". |
140 | 141 |
141 // Forward decl. | 142 // Forward decl. |
142 struct TraceLogSingletonTraits; | 143 struct TraceLogSingletonTraits; |
143 | 144 |
| 145 } // nemspace debug |
144 } // namespace base | 146 } // namespace base |
145 | 147 |
146 #endif // BASE_TRACE_EVENT_WIN_H_ | 148 #endif // BASE_DEBUG_TRACE_EVENT_WIN_H_ |
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