chromium/cc/metrics/compositor_frame_reporting_controller.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_METRICS_COMPOSITOR_FRAME_REPORTING_CONTROLLER_H_
#define CC_METRICS_COMPOSITOR_FRAME_REPORTING_CONTROLLER_H_

#include <map>
#include <memory>
#include <queue>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "base/time/default_tick_clock.h"
#include "base/time/time.h"
#include "cc/cc_export.h"
#include "cc/metrics/compositor_frame_reporter.h"
#include "cc/metrics/event_metrics.h"
#include "cc/metrics/frame_sequence_metrics.h"
#include "cc/metrics/predictor_jank_tracker.h"
#include "cc/metrics/scroll_jank_dropped_frame_tracker.h"
#include "services/metrics/public/cpp/ukm_source_id.h"

namespace ukm {
class UkmRecorder;
}

namespace viz {
struct FrameTimingDetails;
}

namespace cc {
class DroppedFrameCounter;
class EventLatencyTracker;
struct BeginMainFrameMetrics;
struct FrameInfo;

// This is used for managing simultaneous CompositorFrameReporter instances
// in the case that the compositor has high latency. Calling one of the
// event functions will begin recording the time of the corresponding
// phase and trace it. If the frame is eventually submitted, then the
// recorded times of each phase will be reported in UMA.
// See CompositorFrameReporter.
class CC_EXPORT CompositorFrameReportingController { … };

}  // namespace cc

#endif  // CC_METRICS_COMPOSITOR_FRAME_REPORTING_CONTROLLER_H_