File: event_latency_tracing_recorder.h

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (46 lines) | stat: -rw-r--r-- 1,660 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
// Copyright 2022 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_EVENT_LATENCY_TRACING_RECORDER_H_
#define CC_METRICS_EVENT_LATENCY_TRACING_RECORDER_H_

#include <vector>

#include "base/time/time.h"
#include "cc/metrics/compositor_frame_reporter.h"

namespace cc {
class EventMetrics;

class EventLatencyTracingRecorder {
 public:
  // Returns the name of the event dispatch breakdown of EventLatency trace
  // events between `start_stage` and `end_stage`.
  static const char* GetDispatchBreakdownName(
      EventMetrics::DispatchStage start_stage,
      EventMetrics::DispatchStage end_stage);

  // Returns the name of EventLatency breakdown between `dispatch_stage` and
  // `compositor_stage`.
  static const char* GetDispatchToCompositorBreakdownName(
      EventMetrics::DispatchStage dispatch_stage,
      CompositorFrameReporter::StageType compositor_stage);

  // Returns the name of EventLatency breakdown between `dispatch_stage` and
  // termination for events not associated with a frame update.
  static const char* GetDispatchToTerminationBreakdownName(
      EventMetrics::DispatchStage dispatch_stage);

  static void RecordEventLatencyTraceEvent(
      EventMetrics* event_metrics,
      base::TimeTicks termination_time,
      const viz::BeginFrameArgs* args,
      const std::vector<CompositorFrameReporter::StageData>* stage_history,
      const CompositorFrameReporter::ProcessedVizBreakdown* viz_breakdown,
      std::optional<int64_t> display_trace_id);
};

}  // namespace cc

#endif  // CC_METRICS_EVENT_LATENCY_TRACING_RECORDER_H_