mirror of https://github.com/gorhill/uBlock.git
67 lines
2.0 KiB
JavaScript
67 lines
2.0 KiB
JavaScript
/*******************************************************************************
|
|
|
|
µBlock - a 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 */
|
|
|
|
/******************************************************************************/
|
|
|
|
var quickProfiler = (function() {
|
|
'use strict';
|
|
|
|
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
|
|
};
|
|
})();
|
|
|
|
/******************************************************************************/
|