File: flags_ui_metrics.h

package info (click to toggle)
chromium 139.0.7258.127-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 6,122,156 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 (35 lines) | stat: -rw-r--r-- 1,166 bytes parent folder | download | duplicates (6)
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
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_WEBUI_FLAGS_FLAGS_UI_METRICS_H_
#define COMPONENTS_WEBUI_FLAGS_FLAGS_UI_METRICS_H_

#include <set>
#include <string>

#include "base/metrics/histogram_base.h"

namespace flags_ui {

// Returns the UMA id for the specified switch name.
base::HistogramBase::Sample32 GetSwitchUMAId(const std::string& switch_name);

// Sends stats (as UMA histogram) about a set of command line |flags| in
// a histogram, with an enum value for each flag in |switches| and |features|,
// based on the hash of the flag name.
void ReportAboutFlagsHistogram(const std::string& uma_histogram_name,
                               const std::set<std::string>& switches,
                               const std::set<std::string>& features);

namespace testing {

// This value is reported as switch histogram ID if switch name has unknown
// format.
extern const base::HistogramBase::Sample32 kBadSwitchFormatHistogramId;

}  // namespace testing

}  // namespace flags_ui

#endif  // COMPONENTS_WEBUI_FLAGS_FLAGS_UI_METRICS_H_