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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 <fcntl.h> | 7 #include <fcntl.h> |
8 | 8 |
9 #include "base/debug/trace_event.h" | 9 #include "base/debug/trace_event.h" |
10 #include "base/format_macros.h" | 10 #include "base/format_macros.h" |
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90 void TraceLog::StartATrace() { | 90 void TraceLog::StartATrace() { |
91 if (g_atrace_fd != -1) | 91 if (g_atrace_fd != -1) |
92 return; | 92 return; |
93 | 93 |
94 g_atrace_fd = open(kATraceMarkerFile, O_WRONLY); | 94 g_atrace_fd = open(kATraceMarkerFile, O_WRONLY); |
95 if (g_atrace_fd == -1) { | 95 if (g_atrace_fd == -1) { |
96 PLOG(WARNING) << "Couldn't open " << kATraceMarkerFile; | 96 PLOG(WARNING) << "Couldn't open " << kATraceMarkerFile; |
97 return; | 97 return; |
98 } | 98 } |
99 SetEnabled(CategoryFilter(CategoryFilter::kDefaultCategoryFilterString), | 99 SetEnabled(CategoryFilter(CategoryFilter::kDefaultCategoryFilterString), |
100 base::debug::TraceLog::RECORDING_MODE, | 100 TraceLog::RECORDING_MODE, |
101 RECORD_CONTINUOUSLY); | 101 TraceOptions(RECORD_CONTINUOUSLY)); |
102 } | 102 } |
103 | 103 |
104 void TraceLog::StopATrace() { | 104 void TraceLog::StopATrace() { |
105 if (g_atrace_fd == -1) | 105 if (g_atrace_fd == -1) |
106 return; | 106 return; |
107 | 107 |
108 close(g_atrace_fd); | 108 close(g_atrace_fd); |
109 g_atrace_fd = -1; | 109 g_atrace_fd = -1; |
110 | 110 |
111 // TraceLog::Flush() requires the current thread to have a message loop, but | 111 // TraceLog::Flush() requires the current thread to have a message loop, but |
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190 double now_in_seconds = now.ToInternalValue() / 1000000.0; | 190 double now_in_seconds = now.ToInternalValue() / 1000000.0; |
191 std::string marker = StringPrintf( | 191 std::string marker = StringPrintf( |
192 "trace_event_clock_sync: parent_ts=%f\n", now_in_seconds); | 192 "trace_event_clock_sync: parent_ts=%f\n", now_in_seconds); |
193 if (write(atrace_fd, marker.c_str(), marker.size()) == -1) | 193 if (write(atrace_fd, marker.c_str(), marker.size()) == -1) |
194 PLOG(WARNING) << "Couldn't write to " << kATraceMarkerFile; | 194 PLOG(WARNING) << "Couldn't write to " << kATraceMarkerFile; |
195 close(atrace_fd); | 195 close(atrace_fd); |
196 } | 196 } |
197 | 197 |
198 } // namespace debug | 198 } // namespace debug |
199 } // namespace base | 199 } // namespace base |
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