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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.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/trace_event.h" |
10 #include "base/file_util.h" | 11 #include "base/file_util.h" |
11 #include "base/format_macros.h" | 12 #include "base/format_macros.h" |
12 #include "base/lazy_instance.h" | 13 #include "base/lazy_instance.h" |
13 #include "base/memory/singleton.h" | 14 #include "base/memory/singleton.h" |
14 #include "base/process_util.h" | 15 #include "base/process_util.h" |
15 #include "base/stringprintf.h" | 16 #include "base/stringprintf.h" |
16 #include "base/string_tokenizer.h" | 17 #include "base/string_tokenizer.h" |
17 #include "base/threading/platform_thread.h" | 18 #include "base/threading/platform_thread.h" |
18 #include "base/threading/thread_local.h" | 19 #include "base/threading/thread_local.h" |
19 #include "base/utf_string_conversions.h" | 20 #include "base/utf_string_conversions.h" |
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629 const void* id, | 630 const void* id, |
630 const std::string& extra) | 631 const std::string& extra) |
631 { | 632 { |
632 #if defined(OS_WIN) | 633 #if defined(OS_WIN) |
633 TraceEventETWProvider::Trace(name, phase, id, extra); | 634 TraceEventETWProvider::Trace(name, phase, id, extra); |
634 #endif | 635 #endif |
635 INTERNAL_TRACE_EVENT_ADD(phase, "ETW Trace Event", name, | 636 INTERNAL_TRACE_EVENT_ADD(phase, "ETW Trace Event", name, |
636 TRACE_EVENT_FLAG_COPY, "id", id, "extra", extra); | 637 TRACE_EVENT_FLAG_COPY, "id", id, "extra", extra); |
637 } | 638 } |
638 | 639 |
639 void TraceLog::AddCounterEvent(const unsigned char* category_enabled, | |
640 const char* name, | |
641 unsigned long long id, | |
642 const char* value1_name, int value1_val, | |
643 const char* value2_name, int value2_val, | |
644 unsigned char flags) { | |
645 int num_args = value2_name ? 2 : 1; | |
646 const char* arg_names[2] = {value1_name, value2_name}; | |
647 unsigned char arg_types[2]; | |
648 unsigned long long arg_values[2]; | |
649 trace_event_internal::SetTraceValue(value1_val, &arg_types[0], | |
650 &arg_values[0]); | |
651 trace_event_internal::SetTraceValue(value2_val, &arg_types[1], | |
652 &arg_values[1]); | |
653 AddTraceEvent(TRACE_EVENT_PHASE_COUNTER, | |
654 category_enabled, | |
655 name, | |
656 id, | |
657 num_args, | |
658 arg_names, | |
659 arg_types, | |
660 arg_values, | |
661 trace_event_internal::kNoThreshholdBeginId, | |
662 trace_event_internal::kNoThresholdValue, | |
663 flags); | |
664 } | |
665 | |
666 void TraceLog::AddClockSyncMetadataEvents() { | 640 void TraceLog::AddClockSyncMetadataEvents() { |
667 #if defined(OS_ANDROID) | 641 #if defined(OS_ANDROID) |
668 // Since Android does not support sched_setaffinity, we cannot establish clock | 642 // Since Android does not support sched_setaffinity, we cannot establish clock |
669 // sync unless the scheduler clock is set to global. If the trace_clock file | 643 // sync unless the scheduler clock is set to global. If the trace_clock file |
670 // can't be read, we will assume the kernel doesn't support tracing and do | 644 // can't be read, we will assume the kernel doesn't support tracing and do |
671 // nothing. | 645 // nothing. |
672 std::string clock_mode; | 646 std::string clock_mode; |
673 if (!file_util::ReadFileToString( | 647 if (!file_util::ReadFileToString( |
674 FilePath("/sys/kernel/debug/tracing/trace_clock"), | 648 FilePath("/sys/kernel/debug/tracing/trace_clock"), |
675 &clock_mode)) | 649 &clock_mode)) |
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737 // Create a FNV hash from the process ID for XORing. | 711 // Create a FNV hash from the process ID for XORing. |
738 // See http://isthe.com/chongo/tech/comp/fnv/ for algorithm details. | 712 // See http://isthe.com/chongo/tech/comp/fnv/ for algorithm details. |
739 unsigned long long offset_basis = 14695981039346656037ull; | 713 unsigned long long offset_basis = 14695981039346656037ull; |
740 unsigned long long fnv_prime = 1099511628211ull; | 714 unsigned long long fnv_prime = 1099511628211ull; |
741 unsigned long long pid = static_cast<unsigned long long>(process_id_); | 715 unsigned long long pid = static_cast<unsigned long long>(process_id_); |
742 process_id_hash_ = (offset_basis ^ pid) * fnv_prime; | 716 process_id_hash_ = (offset_basis ^ pid) * fnv_prime; |
743 } | 717 } |
744 | 718 |
745 } // namespace debug | 719 } // namespace debug |
746 } // namespace base | 720 } // namespace base |
747 | |
748 namespace trace_event_internal { | |
749 | |
750 void TraceEndOnScopeClose::Initialize(const unsigned char* category_enabled, | |
751 const char* name) { | |
752 data_.category_enabled = category_enabled; | |
753 data_.name = name; | |
754 p_data_ = &data_; | |
755 } | |
756 | |
757 void TraceEndOnScopeClose::AddEventIfEnabled() { | |
758 // Only called when p_data_ is non-null. | |
759 if (*p_data_->category_enabled) { | |
760 TRACE_EVENT_API_ADD_TRACE_EVENT( | |
761 TRACE_EVENT_PHASE_END, | |
762 p_data_->category_enabled, | |
763 p_data_->name, kNoEventId, | |
764 kZeroNumArgs, NULL, NULL, NULL, | |
765 kNoThreshholdBeginId, kNoThresholdValue, TRACE_EVENT_FLAG_NONE); | |
766 } | |
767 } | |
768 | |
769 void TraceEndOnScopeCloseThreshold::Initialize( | |
770 const unsigned char* category_enabled, | |
771 const char* name, | |
772 int threshold_begin_id, | |
773 long long threshold) { | |
774 data_.category_enabled = category_enabled; | |
775 data_.name = name; | |
776 data_.threshold_begin_id = threshold_begin_id; | |
777 data_.threshold = threshold; | |
778 p_data_ = &data_; | |
779 } | |
780 | |
781 void TraceEndOnScopeCloseThreshold::AddEventIfEnabled() { | |
782 // Only called when p_data_ is non-null. | |
783 if (*p_data_->category_enabled) { | |
784 TRACE_EVENT_API_ADD_TRACE_EVENT( | |
785 TRACE_EVENT_PHASE_END, | |
786 p_data_->category_enabled, | |
787 p_data_->name, kNoEventId, | |
788 kZeroNumArgs, NULL, NULL, NULL, | |
789 p_data_->threshold_begin_id, p_data_->threshold, | |
790 TRACE_EVENT_FLAG_NONE); | |
791 } | |
792 } | |
793 | |
794 } // namespace trace_event_internal | |
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