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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. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/debug/trace_event_impl.h" | 5 #include "base/debug/trace_event_impl.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/debug/leak_annotations.h" | 10 #include "base/debug/leak_annotations.h" |
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58 "tracing categories exhausted; must increase TRACE_EVENT_MAX_CATEGORIES", | 58 "tracing categories exhausted; must increase TRACE_EVENT_MAX_CATEGORIES", |
59 "__metadata", | 59 "__metadata", |
60 }; | 60 }; |
61 // The enabled flag is char instead of bool so that the API can be used from C. | 61 // The enabled flag is char instead of bool so that the API can be used from C. |
62 unsigned char g_category_enabled[TRACE_EVENT_MAX_CATEGORIES] = { 0 }; | 62 unsigned char g_category_enabled[TRACE_EVENT_MAX_CATEGORIES] = { 0 }; |
63 const int g_category_already_shutdown = 0; | 63 const int g_category_already_shutdown = 0; |
64 const int g_category_categories_exhausted = 1; | 64 const int g_category_categories_exhausted = 1; |
65 const int g_category_metadata = 2; | 65 const int g_category_metadata = 2; |
66 int g_category_index = 3; // skip initial 3 categories | 66 int g_category_index = 3; // skip initial 3 categories |
67 | 67 |
68 // The most-recently captured name of the current thread | 68 // The name of the current thread. This is used to decide if the current |
| 69 // thread name has changed. We combine all the seen thread names into the |
| 70 // output name for the thread. |
69 LazyInstance<ThreadLocalPointer<const char> >::Leaky | 71 LazyInstance<ThreadLocalPointer<const char> >::Leaky |
70 g_current_thread_name = LAZY_INSTANCE_INITIALIZER; | 72 g_current_thread_name = LAZY_INSTANCE_INITIALIZER; |
71 | 73 |
72 } // namespace | 74 } // namespace |
73 | 75 |
74 //////////////////////////////////////////////////////////////////////////////// | 76 //////////////////////////////////////////////////////////////////////////////// |
75 // | 77 // |
76 // TraceEvent | 78 // TraceEvent |
77 // | 79 // |
78 //////////////////////////////////////////////////////////////////////////////// | 80 //////////////////////////////////////////////////////////////////////////////// |
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791 unsigned long long pid = static_cast<unsigned long long>(process_id_); | 793 unsigned long long pid = static_cast<unsigned long long>(process_id_); |
792 process_id_hash_ = (offset_basis ^ pid) * fnv_prime; | 794 process_id_hash_ = (offset_basis ^ pid) * fnv_prime; |
793 } | 795 } |
794 | 796 |
795 void TraceLog::SetTimeOffset(TimeDelta offset) { | 797 void TraceLog::SetTimeOffset(TimeDelta offset) { |
796 time_offset_ = offset; | 798 time_offset_ = offset; |
797 } | 799 } |
798 | 800 |
799 } // namespace debug | 801 } // namespace debug |
800 } // namespace base | 802 } // namespace base |
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