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1 // Copyright 2014 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 CHROME_BROWSER_METRICS_PROFILER_METRICS_PROVIDER_H_ | |
6 #define CHROME_BROWSER_METRICS_PROFILER_METRICS_PROVIDER_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "components/metrics/metrics_provider.h" | |
10 #include "components/metrics/proto/chrome_user_metrics_extension.pb.h" | |
11 | |
12 namespace tracked_objects { | |
13 struct ProcessDataSnapshot; | |
14 } | |
15 | |
16 // ProfilerMetricsProvider is responsible for filling out the |profiler_event| | |
17 // section of the UMA proto. | |
18 class ProfilerMetricsProvider : public metrics::MetricsProvider { | |
19 public: | |
20 ProfilerMetricsProvider(); | |
21 virtual ~ProfilerMetricsProvider(); | |
22 | |
23 // metrics::MetricsDataProvider: | |
24 virtual void ProvideGeneralMetrics( | |
25 metrics::ChromeUserMetricsExtension* uma_proto) OVERRIDE; | |
26 | |
27 // Records the passed profiled data, which should be a snapshot of the | |
28 // browser's profiled performance during startup for a single process. | |
29 void RecordProfilerData( | |
30 const tracked_objects::ProcessDataSnapshot& process_data, | |
31 int process_type); | |
32 | |
33 private: | |
34 // Saved cache of generated Profiler event protos, to be copied into the UMA | |
35 // proto when ProvideGeneralMetrics() is called. | |
36 metrics::ProfilerEventProto profiler_event_cache_; | |
37 | |
38 // True if this instance has recorded profiler data since the last call to | |
39 // ProvideGeneralMetrics(). | |
40 bool has_profiler_data_; | |
41 | |
42 DISALLOW_COPY_AND_ASSIGN(ProfilerMetricsProvider); | |
43 }; | |
44 | |
45 #endif // CHROME_BROWSER_METRICS_PROFILER_METRICS_PROVIDER_H_ | |
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