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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 #ifndef MOJO_RUNNER_TRACER_H_ | 5 #ifndef MOJO_SHELL_STANDALONE_TRACER_H_ |
6 #define MOJO_RUNNER_TRACER_H_ | 6 #define MOJO_SHELL_STANDALONE_TRACER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdio.h> | 9 #include <stdio.h> |
10 | 10 |
11 #include <string> | 11 #include <string> |
12 | 12 |
13 #include "base/callback.h" | 13 #include "base/callback.h" |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "base/memory/ref_counted_memory.h" | 15 #include "base/memory/ref_counted_memory.h" |
16 #include "mojo/common/data_pipe_drainer.h" | 16 #include "mojo/common/data_pipe_drainer.h" |
17 #include "mojo/services/tracing/public/cpp/trace_provider_impl.h" | 17 #include "mojo/services/tracing/public/cpp/trace_provider_impl.h" |
18 #include "mojo/services/tracing/public/interfaces/tracing.mojom.h" | 18 #include "mojo/services/tracing/public/interfaces/tracing.mojom.h" |
19 | 19 |
20 namespace mojo { | 20 namespace mojo { |
21 namespace runner { | 21 namespace shell { |
22 | 22 |
23 // Tracer collects tracing data from base/trace_event and from externally | 23 // Tracer collects tracing data from base/trace_event and from externally |
24 // configured sources, aggregates it into a single stream, and writes it out to | 24 // configured sources, aggregates it into a single stream, and writes it out to |
25 // a file. It should be constructed very early in a process' lifetime before any | 25 // a file. It should be constructed very early in a process' lifetime before any |
26 // initialization that may be interesting to trace has occured and be shut down | 26 // initialization that may be interesting to trace has occured and be shut down |
27 // as late as possible to capture as much initialization/shutdown code as | 27 // as late as possible to capture as much initialization/shutdown code as |
28 // possible. | 28 // possible. |
29 class Tracer : public mojo::common::DataPipeDrainer::Client { | 29 class Tracer : public mojo::common::DataPipeDrainer::Client { |
30 public: | 30 public: |
31 Tracer(); | 31 Tracer(); |
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89 bool first_chunk_written_; | 89 bool first_chunk_written_; |
90 std::string trace_service_data_; | 90 std::string trace_service_data_; |
91 | 91 |
92 // Trace file, if open. | 92 // Trace file, if open. |
93 FILE* trace_file_; | 93 FILE* trace_file_; |
94 std::string trace_filename_; | 94 std::string trace_filename_; |
95 | 95 |
96 DISALLOW_COPY_AND_ASSIGN(Tracer); | 96 DISALLOW_COPY_AND_ASSIGN(Tracer); |
97 }; | 97 }; |
98 | 98 |
99 } // namespace runner | 99 } // namespace shell |
100 } // namespace mojo | 100 } // namespace mojo |
101 | 101 |
102 #endif // MOJO_RUNNER_TRACER_H_ | 102 #endif // MOJO_SHELL_STANDALONE_TRACER_H_ |
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