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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 under third_party_mods/chromium or at: | 3 // found in the LICENSE file under third_party_mods/chromium or at: |
4 // http://src.chromium.org/svn/trunk/src/LICENSE | 4 // http://src.chromium.org/svn/trunk/src/LICENSE |
5 | 5 |
6 #ifndef WEBRTC_RTC_BASE_TRACE_EVENT_H_ | 6 #ifndef WEBRTC_RTC_BASE_TRACE_EVENT_H_ |
7 #define WEBRTC_RTC_BASE_TRACE_EVENT_H_ | 7 #define WEBRTC_RTC_BASE_TRACE_EVENT_H_ |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
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568 // Implementation detail: trace event macros create temporary variables | 568 // Implementation detail: trace event macros create temporary variables |
569 // to keep instrumentation overhead low. These macros give each temporary | 569 // to keep instrumentation overhead low. These macros give each temporary |
570 // variable a unique name based on the line number to prevent name collissions. | 570 // variable a unique name based on the line number to prevent name collissions. |
571 #define INTERNAL_TRACE_EVENT_UID3(a,b) \ | 571 #define INTERNAL_TRACE_EVENT_UID3(a,b) \ |
572 trace_event_unique_##a##b | 572 trace_event_unique_##a##b |
573 #define INTERNAL_TRACE_EVENT_UID2(a,b) \ | 573 #define INTERNAL_TRACE_EVENT_UID2(a,b) \ |
574 INTERNAL_TRACE_EVENT_UID3(a,b) | 574 INTERNAL_TRACE_EVENT_UID3(a,b) |
575 #define INTERNAL_TRACE_EVENT_UID(name_prefix) \ | 575 #define INTERNAL_TRACE_EVENT_UID(name_prefix) \ |
576 INTERNAL_TRACE_EVENT_UID2(name_prefix, __LINE__) | 576 INTERNAL_TRACE_EVENT_UID2(name_prefix, __LINE__) |
577 | 577 |
578 #if WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS | |
579 #define INTERNAL_TRACE_EVENT_INFO_TYPE \ | |
kjellander_webrtc
2017/08/16 14:54:59
nit: I think you can put this on one line. Same be
ehmaldonado_webrtc
2017/08/16 15:45:15
Done.
| |
580 const unsigned char* | |
581 #else | |
582 #define INTERNAL_TRACE_EVENT_INFO_TYPE \ | |
583 static const unsigned char* | |
584 #endif // WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS | |
585 | |
578 // Implementation detail: internal macro to create static category. | 586 // Implementation detail: internal macro to create static category. |
579 #define INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(category) \ | 587 #define INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(category) \ |
580 static const unsigned char* INTERNAL_TRACE_EVENT_UID(catstatic) = \ | 588 INTERNAL_TRACE_EVENT_INFO_TYPE INTERNAL_TRACE_EVENT_UID(catstatic) = \ |
581 TRACE_EVENT_API_GET_CATEGORY_ENABLED(category); | 589 TRACE_EVENT_API_GET_CATEGORY_ENABLED(category); |
582 | 590 |
583 // Implementation detail: internal macro to create static category and add | 591 // Implementation detail: internal macro to create static category and add |
584 // event if the category is enabled. | 592 // event if the category is enabled. |
585 #define INTERNAL_TRACE_EVENT_ADD(phase, category, name, flags, ...) \ | 593 #define INTERNAL_TRACE_EVENT_ADD(phase, category, name, flags, ...) \ |
586 do { \ | 594 do { \ |
587 INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(category); \ | 595 INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(category); \ |
588 if (*INTERNAL_TRACE_EVENT_UID(catstatic)) { \ | 596 if (*INTERNAL_TRACE_EVENT_UID(catstatic)) { \ |
589 webrtc::trace_event_internal::AddTraceEvent( \ | 597 webrtc::trace_event_internal::AddTraceEvent( \ |
590 phase, INTERNAL_TRACE_EVENT_UID(catstatic), name, \ | 598 phase, INTERNAL_TRACE_EVENT_UID(catstatic), name, \ |
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901 const char* name; | 909 const char* name; |
902 }; | 910 }; |
903 Data* p_data_; | 911 Data* p_data_; |
904 Data data_; | 912 Data data_; |
905 }; | 913 }; |
906 | 914 |
907 } // namespace trace_event_internal | 915 } // namespace trace_event_internal |
908 } // namespace webrtc | 916 } // namespace webrtc |
909 | 917 |
910 #endif // WEBRTC_RTC_BASE_TRACE_EVENT_H_ | 918 #endif // WEBRTC_RTC_BASE_TRACE_EVENT_H_ |
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