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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 #include "services/service_manager/standalone/tracer.h" | 5 #include "services/service_manager/standalone/tracer.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdio.h> | 8 #include <stdio.h> |
9 #include <string.h> | 9 #include <string.h> |
10 #include <utility> | 10 #include <utility> |
11 | 11 |
12 #include "base/message_loop/message_loop.h" | 12 #include "base/message_loop/message_loop.h" |
13 #include "base/single_thread_task_runner.h" | 13 #include "base/single_thread_task_runner.h" |
14 #include "base/strings/string_number_conversions.h" | 14 #include "base/strings/string_number_conversions.h" |
15 #include "base/synchronization/waitable_event.h" | 15 #include "base/synchronization/waitable_event.h" |
16 #include "base/threading/thread.h" | 16 #include "base/threading/thread.h" |
17 #include "base/threading/thread_task_runner_handle.h" | 17 #include "base/threading/thread_task_runner_handle.h" |
18 #include "base/trace_event/trace_config.h" | 18 #include "base/trace_event/trace_config.h" |
19 #include "base/trace_event/trace_event.h" | 19 #include "base/trace_event/trace_event.h" |
20 | 20 |
21 namespace shell { | 21 namespace service_manager { |
22 | 22 |
23 Tracer::Tracer() | 23 Tracer::Tracer() |
24 : tracing_(false), first_chunk_written_(false), trace_file_(nullptr) {} | 24 : tracing_(false), first_chunk_written_(false), trace_file_(nullptr) {} |
25 | 25 |
26 Tracer::~Tracer() { | 26 Tracer::~Tracer() { |
27 StopAndFlushToFile(); | 27 StopAndFlushToFile(); |
28 } | 28 } |
29 | 29 |
30 void Tracer::Start(const std::string& categories, | 30 void Tracer::Start(const std::string& categories, |
31 const std::string& duration_seconds_str, | 31 const std::string& duration_seconds_str, |
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155 coordinator_.reset(); | 155 coordinator_.reset(); |
156 WriteFooterAndClose(); | 156 WriteFooterAndClose(); |
157 } | 157 } |
158 | 158 |
159 void Tracer::WriteCommaIfNeeded() { | 159 void Tracer::WriteCommaIfNeeded() { |
160 if (first_chunk_written_) | 160 if (first_chunk_written_) |
161 PCHECK(fwrite(",", 1, 1, trace_file_) == 1); | 161 PCHECK(fwrite(",", 1, 1, trace_file_) == 1); |
162 first_chunk_written_ = true; | 162 first_chunk_written_ = true; |
163 } | 163 } |
164 | 164 |
165 } // namespace shell | 165 } // namespace service_manager |
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