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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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.h" | |
| 6 #include "base/json/json_writer.h" | 5 #include "base/json/json_writer.h" |
| 7 #include "base/memory/scoped_ptr.h" | 6 #include "base/memory/scoped_ptr.h" |
| 8 #include "base/strings/stringprintf.h" | 7 #include "base/strings/stringprintf.h" |
| 8 #include "base/trace_event/trace_event.h" |
| 9 #include "ui/events/latency_info.h" | 9 #include "ui/events/latency_info.h" |
| 10 | 10 |
| 11 #include <algorithm> | 11 #include <algorithm> |
| 12 | 12 |
| 13 namespace { | 13 namespace { |
| 14 | 14 |
| 15 const size_t kMaxLatencyInfoNumber = 100; | 15 const size_t kMaxLatencyInfoNumber = 100; |
| 16 | 16 |
| 17 const char* GetComponentName(ui::LatencyComponentType type) { | 17 const char* GetComponentName(ui::LatencyComponentType type) { |
| 18 #define CASE_TYPE(t) case ui::t: return #t | 18 #define CASE_TYPE(t) case ui::t: return #t |
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| 321 } | 321 } |
| 322 | 322 |
| 323 void LatencyInfo::TraceEventType(const char* event_type) { | 323 void LatencyInfo::TraceEventType(const char* event_type) { |
| 324 TRACE_EVENT_ASYNC_STEP_INTO0("benchmark", | 324 TRACE_EVENT_ASYNC_STEP_INTO0("benchmark", |
| 325 "InputLatency", | 325 "InputLatency", |
| 326 TRACE_ID_DONT_MANGLE(trace_id), | 326 TRACE_ID_DONT_MANGLE(trace_id), |
| 327 event_type); | 327 event_type); |
| 328 } | 328 } |
| 329 | 329 |
| 330 } // namespace ui | 330 } // namespace ui |
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