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// Copyright 2015 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 COMPONENTS_METRICS_CALL_STACK_PROFILE_METRICS_PROVIDER_H_
#define COMPONENTS_METRICS_CALL_STACK_PROFILE_METRICS_PROVIDER_H_
#include "base/feature_list.h"
#include "base/macros.h"
#include "base/time/time.h"
#include "components/metrics/metrics_provider.h"
#include "third_party/metrics_proto/sampled_profile.pb.h"
namespace metrics {
class ChromeUserMetricsExtension;
// Performs metrics logging for the stack sampling profiler.
class CallStackProfileMetricsProvider : public MetricsProvider {
public:
CallStackProfileMetricsProvider();
~CallStackProfileMetricsProvider() override;
// Will be invoked on either the main thread or the profiler's thread.
// Provides the profile to PendingProfiles to append, if the collecting state
// allows. |profile| is not const& because it must be passed with std::move.
static void ReceiveCompletedProfile(base::TimeTicks profile_start_time,
SampledProfile profile);
// MetricsProvider:
void OnRecordingEnabled() override;
void OnRecordingDisabled() override;
void ProvideCurrentSessionData(
ChromeUserMetricsExtension* uma_proto) override;
protected:
// base::Feature for reporting profiles. Provided here for test use.
static const base::Feature kEnableReporting;
// Reset the static state to the defaults after startup.
static void ResetStaticStateForTesting();
private:
DISALLOW_COPY_AND_ASSIGN(CallStackProfileMetricsProvider);
};
} // namespace metrics
#endif // COMPONENTS_METRICS_CALL_STACK_PROFILE_METRICS_PROVIDER_H_