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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_METRICS_PROFILER_METRICS_PROVIDER_H_
#define CHROME_BROWSER_METRICS_PROFILER_METRICS_PROVIDER_H_
#include "base/basictypes.h"
#include "components/metrics/metrics_provider.h"
#include "components/metrics/proto/chrome_user_metrics_extension.pb.h"
namespace tracked_objects {
struct ProcessDataSnapshot;
}
// ProfilerMetricsProvider is responsible for filling out the |profiler_event|
// section of the UMA proto.
class ProfilerMetricsProvider : public metrics::MetricsProvider {
public:
ProfilerMetricsProvider();
virtual ~ProfilerMetricsProvider();
// metrics::MetricsDataProvider:
virtual void ProvideGeneralMetrics(
metrics::ChromeUserMetricsExtension* uma_proto) OVERRIDE;
// Records the passed profiled data, which should be a snapshot of the
// browser's profiled performance during startup for a single process.
void RecordProfilerData(
const tracked_objects::ProcessDataSnapshot& process_data,
int process_type);
private:
// Saved cache of generated Profiler event protos, to be copied into the UMA
// proto when ProvideGeneralMetrics() is called.
metrics::ProfilerEventProto profiler_event_cache_;
// True if this instance has recorded profiler data since the last call to
// ProvideGeneralMetrics().
bool has_profiler_data_;
DISALLOW_COPY_AND_ASSIGN(ProfilerMetricsProvider);
};
#endif // CHROME_BROWSER_METRICS_PROFILER_METRICS_PROVIDER_H_
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