blob: 27fc0ed80c9d7f8736f729409abe47eb37475e83 (
plain)
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
|
/*******************************************************************************
µBlock - a Chromium browser extension to block requests.
Copyright (C) 2014 Raymond Hill
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uBlock
*/
/* exported quickProfiler */
'use strict';
/******************************************************************************/
var quickProfiler = (function() {
var timer = window.performance || Date;
var time = 0;
var count = 0;
var tstart = 0;
var lastlog = timer.now();
var prompt = '';
var reset = function() {
time = 0;
count = 0;
tstart = 0;
};
var avg = function() {
return count > 0 ? time / count : 0;
};
var start = function(s) {
prompt = s || '';
tstart = timer.now();
};
var stop = function(period) {
if ( period === undefined ) {
period = 10000;
}
var now = timer.now();
count += 1;
time += (now - tstart);
if ( (now - lastlog) >= period ) {
console.log('µBlock> %s: %s ms (%d samples)', prompt, avg().toFixed(3), count);
lastlog = now;
}
};
return {
reset: reset,
start: start,
stop: stop
};
})();
/******************************************************************************/
|
