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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/shell/standalone/tracer.h" | 5 #include "services/shell/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> |
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43 << "Could not parse --trace-startup-duration value " | 43 << "Could not parse --trace-startup-duration value " |
44 << duration_seconds_str; | 44 << duration_seconds_str; |
45 } | 45 } |
46 base::MessageLoop::current()->task_runner()->PostDelayedTask( | 46 base::MessageLoop::current()->task_runner()->PostDelayedTask( |
47 FROM_HERE, | 47 FROM_HERE, |
48 base::Bind(&Tracer::StopAndFlushToFile, base::Unretained(this)), | 48 base::Bind(&Tracer::StopAndFlushToFile, base::Unretained(this)), |
49 base::TimeDelta::FromSeconds(trace_duration_secs)); | 49 base::TimeDelta::FromSeconds(trace_duration_secs)); |
50 } | 50 } |
51 | 51 |
52 void Tracer::StartCollectingFromTracingService( | 52 void Tracer::StartCollectingFromTracingService( |
53 tracing::TraceCollectorPtr coordinator) { | 53 tracing::mojom::CollectorPtr coordinator) { |
54 coordinator_ = std::move(coordinator); | 54 coordinator_ = std::move(coordinator); |
55 mojo::DataPipe data_pipe; | 55 mojo::DataPipe data_pipe; |
56 coordinator_->Start(std::move(data_pipe.producer_handle), categories_); | 56 coordinator_->Start(std::move(data_pipe.producer_handle), categories_); |
57 drainer_.reset(new mojo::common::DataPipeDrainer( | 57 drainer_.reset(new mojo::common::DataPipeDrainer( |
58 this, std::move(data_pipe.consumer_handle))); | 58 this, std::move(data_pipe.consumer_handle))); |
59 } | 59 } |
60 | 60 |
61 void Tracer::StopAndFlushToFile() { | 61 void Tracer::StopAndFlushToFile() { |
62 if (tracing_) | 62 if (tracing_) |
63 StopTracingAndFlushToDisk(); | 63 StopTracingAndFlushToDisk(); |
64 } | 64 } |
65 | 65 |
66 void Tracer::ConnectToProvider( | 66 void Tracer::ConnectToProvider(tracing::mojom::ProviderRequest request) { |
67 mojo::InterfaceRequest<tracing::TraceProvider> request) { | 67 provider_.Bind(std::move(request)); |
68 trace_provider_impl_.Bind(std::move(request)); | |
69 } | 68 } |
70 | 69 |
71 void Tracer::StopTracingAndFlushToDisk() { | 70 void Tracer::StopTracingAndFlushToDisk() { |
72 tracing_ = false; | 71 tracing_ = false; |
73 trace_file_ = fopen(trace_filename_.c_str(), "w+"); | 72 trace_file_ = fopen(trace_filename_.c_str(), "w+"); |
74 PCHECK(trace_file_); | 73 PCHECK(trace_file_); |
75 static const char kStart[] = "{\"traceEvents\":["; | 74 static const char kStart[] = "{\"traceEvents\":["; |
76 PCHECK(fwrite(kStart, 1, strlen(kStart), trace_file_) == strlen(kStart)); | 75 PCHECK(fwrite(kStart, 1, strlen(kStart), trace_file_) == strlen(kStart)); |
77 | 76 |
78 // At this point we might be connected to the tracing service, in which case | 77 // At this point we might be connected to the tracing service, in which case |
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156 WriteFooterAndClose(); | 155 WriteFooterAndClose(); |
157 } | 156 } |
158 | 157 |
159 void Tracer::WriteCommaIfNeeded() { | 158 void Tracer::WriteCommaIfNeeded() { |
160 if (first_chunk_written_) | 159 if (first_chunk_written_) |
161 PCHECK(fwrite(",", 1, 1, trace_file_) == 1); | 160 PCHECK(fwrite(",", 1, 1, trace_file_) == 1); |
162 first_chunk_written_ = true; | 161 first_chunk_written_ = true; |
163 } | 162 } |
164 | 163 |
165 } // namespace shell | 164 } // namespace shell |
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