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| 1 // Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef COMPONENTS_TRACING_STARTUP_TRACING_H_ |
| 6 #define COMPONENTS_TRACING_STARTUP_TRACING_H_ |
| 7 |
| 8 #include "components/tracing/tracing_export.h" |
| 9 |
| 10 namespace tracing { |
| 11 |
| 12 // Enable startup tracing according to the trace config file. If the trace |
| 13 // config file does not exist, it will do nothing. This is designed to be used |
| 14 // by Telemetry. Telemetry will stop tracing via DevTools later. To avoid |
| 15 // conflict, this should not be used when --trace-startup is enabled. |
| 16 void TRACING_EXPORT EnableStartupTracingIfConfigFileExists(); |
| 17 |
| 18 } // namespace tracing |
| 19 |
| 20 #endif // COMPONENTS_TRACING_STARTUP_TRACING_H_ |
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