File: latency_ukm_reporter.h

package info (click to toggle)
chromium 138.0.7204.183-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 6,071,908 kB
  • sloc: cpp: 34,937,088; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (66 lines) | stat: -rw-r--r-- 2,137 bytes parent folder | download | duplicates (7)
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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
// 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_LATENCY_UKM_REPORTER_H_
#define CC_METRICS_LATENCY_UKM_REPORTER_H_

#include <memory>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "cc/cc_export.h"
#include "cc/metrics/compositor_frame_reporter.h"
#include "cc/metrics/event_metrics.h"
#include "services/metrics/public/cpp/ukm_source_id.h"

namespace ukm {
class UkmRecorder;
}

namespace cc {
class UkmManager;

// A helper class that takes latency data from a CompositorFrameReporter and
// talks to UkmManager to report it.
class CC_EXPORT LatencyUkmReporter {
 public:
  LatencyUkmReporter();
  ~LatencyUkmReporter();

  LatencyUkmReporter(const LatencyUkmReporter&) = delete;
  LatencyUkmReporter& operator=(const LatencyUkmReporter&) = delete;

  void ReportCompositorLatencyUkm(
      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);

  void ReportEventLatencyUkm(
      const EventMetrics::List& events_metrics,
      const std::vector<CompositorFrameReporter::StageData>& stage_history,
      const CompositorFrameReporter::ProcessedBlinkBreakdown&
          processed_blink_breakdown,
      const CompositorFrameReporter::ProcessedVizBreakdown&
          processed_viz_breakdown);

  void InitializeUkmManager(std::unique_ptr<ukm::UkmRecorder> recorder);
  void SetSourceId(ukm::SourceId source_id);

  UkmManager* ukm_manager() { return ukm_manager_.get(); }

 private:
  class SamplingController;

  std::unique_ptr<UkmManager> ukm_manager_;
  std::unique_ptr<SamplingController> compositor_latency_sampling_controller_;
  std::unique_ptr<SamplingController> event_latency_sampling_controller_;
};

}  // namespace cc

#endif  // CC_METRICS_LATENCY_UKM_REPORTER_H_