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1 // Copyright 2016 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 #include "base/macros.h" | |
6 #include "base/trace_event/trace_event.h" | |
7 #include "base/trace_event/persistent_async_event.h" | |
8 #include <string> | |
9 #include <ctime> | |
10 | |
11 // test | |
12 | |
13 namespace base { | |
14 namespace trace_event { | |
15 | |
16 PersistentAsyncEvent::PersistentAsyncEvent() | |
17 : active_(false) {} | |
18 | |
19 PersistentAsyncEvent::~PersistentAsyncEvent() {} | |
20 | |
21 void PersistentAsyncEvent::Start(std::string param_value) { | |
22 param_value_ = param_value; | |
23 RecordStartEvent(); | |
24 active_ = true; | |
25 gettimeofday(&start_time_, 0); | |
benjhayden
2016/08/10 18:30:00
charliea can help you figure out what function to
| |
26 } | |
27 | |
28 void PersistentAsyncEvent::Stop(std::string param_value) { | |
29 param_value_ = param_value; | |
30 RecordStopEvent(); | |
31 active_ = false; | |
32 } | |
33 | |
34 void PersistentAsyncEvent::RecordStartEvent() { | |
35 TRACE_EVENT0("media", "PersistentAsyncStart"); | |
36 } | |
37 | |
38 void PersistentAsyncEvent::RecordStartEventWithOffset(double offset) { | |
39 TRACE_EVENT0("media", "PersistentAsyncStartOffset"); | |
40 } | |
41 | |
42 void PersistentAsyncEvent::RecordStopEvent() { | |
43 TRACE_EVENT0("media", "PersistentAsyncStop"); | |
44 } | |
45 | |
46 void PersistentAsyncEvent::OnTraceLogEnabled() { | |
47 if (active_) | |
benjhayden
2016/08/10 18:30:00
braces should go on the same line
| |
48 { | |
49 timeval finish_time; | |
50 gettimeofday(&finish_time, 0); | |
51 double offset = (start_time_.tv_sec - finish_time.tv_sec) + 0.00 0001*(start_time_.tv_usec - finish_time.tv_usec); | |
52 RecordStartEventWithOffset(offset); | |
53 } | |
54 } | |
55 | |
56 void PersistentAsyncEvent::OnTraceLogDisabled() { | |
57 // TODO: how to get this to go off before the trace log gets disabled | |
58 if (active_) | |
59 { | |
60 RecordStopEvent(); | |
61 } | |
62 } | |
63 | |
64 } | |
benjhayden
2016/08/10 18:30:00
} // namespace trace_event
| |
65 } | |
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