File: histogram_encoder.h

package info (click to toggle)
chromium 120.0.6099.224-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 6,112,112 kB
  • sloc: cpp: 32,907,025; ansic: 8,148,123; javascript: 3,679,536; python: 2,031,248; asm: 959,718; java: 804,675; xml: 617,256; sh: 111,417; objc: 100,835; perl: 88,443; cs: 53,032; makefile: 29,579; fortran: 24,137; php: 21,162; tcl: 21,147; sql: 20,809; ruby: 17,735; pascal: 12,864; yacc: 8,045; lisp: 3,388; lex: 1,323; ada: 727; awk: 329; jsp: 267; csh: 117; exp: 43; sed: 37
file content (29 lines) | stat: -rw-r--r-- 908 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
 
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// This file defines an utility function that records any changes in a given
// histogram for transmission.

#ifndef COMPONENTS_METRICS_HISTOGRAM_ENCODER_H_
#define COMPONENTS_METRICS_HISTOGRAM_ENCODER_H_

#include <string>

#include "third_party/metrics_proto/chrome_user_metrics_extension.pb.h"

namespace base {
class HistogramSamples;
}

namespace metrics {

// Record any changes (histogram deltas of counts from |snapshot|) into
// |uma_proto| for the given histogram (|histogram_name|).
void EncodeHistogramDelta(const std::string& histogram_name,
                          const base::HistogramSamples& snapshot,
                          ChromeUserMetricsExtension* uma_proto);

}  // namespace metrics

#endif  // COMPONENTS_METRICS_HISTOGRAM_ENCODER_H_