chromium/cc/metrics/ukm_manager.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/metrics/ukm_manager.h"

#include <utility>

#include "base/notreached.h"
#include "base/ranges/algorithm.h"
#include "base/time/time.h"
#include "cc/metrics/compositor_frame_reporter.h"
#include "components/viz/common/quads/compositor_frame.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"

namespace cc {

namespace {

// The combination of ScrollType and EventType which we are interested in the
// TotalLatency of.
enum class InputMetricEvent { … };

InputMetricEvent GetInputMetricEvent(ScrollEventMetrics::ScrollType scroll_type,
                                     EventMetrics::EventType event_type) { … }

}  // namespace

UkmManager::UkmManager(std::unique_ptr<ukm::UkmRecorder> recorder)
    : … { … }

UkmManager::~UkmManager() = default;

void UkmManager::SetSourceId(ukm::SourceId source_id) { … }

void UkmManager::RecordCompositorLatencyUKM(
    const CompositorFrameReporter::FrameReportTypes& report_types,
    const std::vector<CompositorFrameReporter::StageData>& stage_history,
    const ActiveTrackers& active_trackers,
    const CompositorFrameReporter::ProcessedBlinkBreakdown&
        processed_blink_breakdown,
    const CompositorFrameReporter::ProcessedVizBreakdown&
        processed_viz_breakdown) const { … }

void UkmManager::RecordEventLatencyUKM(
    const EventMetrics::List& events_metrics,
    const std::vector<CompositorFrameReporter::StageData>& stage_history,
    const CompositorFrameReporter::ProcessedBlinkBreakdown&
        processed_blink_breakdown,
    const CompositorFrameReporter::ProcessedVizBreakdown&
        processed_viz_breakdown) const { … }

}  // namespace cc