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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// 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.
import {sendWithPromise} from 'chrome://resources/js/cr.js';
/**
* @fileoverview A helper object used by the chrome://metrics-internals page to
* interact with the browser.
*/
/**
* A pair of strings representing a row in a summary table. For example, |key|
* could be "Platform", with |value| being "Android".
*/
export interface KeyValue {
key: string;
value: string;
}
/**
* An individual event that occurred on a log. Optionally, this may include a
* message. For example, for a "Trimmed" event, the message could be "Log size
* too large".
*/
export interface LogEvent {
event: string;
timestampMs: number;
message?: string;
}
/**
* A log and its data, including the events that occurred throughout its
* lifetime. The |type| field is only set for UMA logs (i.e., ongoing,
* independent, or stability). The |compressed_data| field (i.e., its proto
* data) is only set when exporting.
* TODO(crbug/1363747): Change name of |type| to something else, since it is
* confusing and can be mistaken for |logType| in LogData (UMA or UKM).
*/
export interface Log {
type?: string;
hash: string;
timestamp: string;
data?: string;
size: number;
events: LogEvent[];
}
/**
* A list of logs, as well as their type (UMA or UKM).
*/
export interface LogData {
logType: string;
logs: Log[];
}
export interface MetricsInternalsBrowserProxy {
/**
* Gets UMA log data. |includeLogProtoData| determines whether or not the
* fetched data should also include the protos of the logs.
*/
getUmaLogData(includeLogProtoData: boolean): Promise<string>;
/**
* Fetches a summary of variations info.
*/
fetchVariationsSummary(): Promise<KeyValue[]>;
/**
* Fetches a summary of UMA info.
*/
fetchUmaSummary(): Promise<KeyValue[]>;
/**
* Fetches whether the logs observer being used is owned by the metrics
* service or is owned by the page.
*/
isUsingMetricsServiceObserver(): Promise<boolean>;
}
export class MetricsInternalsBrowserProxyImpl implements
MetricsInternalsBrowserProxy {
getUmaLogData(includeLogProtoData: boolean): Promise<string> {
return sendWithPromise('fetchUmaLogsData', includeLogProtoData);
}
fetchVariationsSummary(): Promise<KeyValue[]> {
return sendWithPromise('fetchVariationsSummary');
}
fetchUmaSummary(): Promise<KeyValue[]> {
return sendWithPromise('fetchUmaSummary');
}
isUsingMetricsServiceObserver(): Promise<boolean> {
return sendWithPromise('isUsingMetricsServiceObserver');
}
static getInstance(): MetricsInternalsBrowserProxy {
return instance || (instance = new MetricsInternalsBrowserProxyImpl());
}
static setInstance(obj: MetricsInternalsBrowserProxy) {
instance = obj;
}
}
let instance: MetricsInternalsBrowserProxy|null = null;
|
