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August 19, 2016 20:45
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Javascript simple profiler
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window.profiler = (function() { | |
var _events = {}; | |
var _getEvents = function(name, domain) { | |
if(!name) { | |
return {}; | |
} | |
if(!domain) { | |
domain = ''; | |
} | |
if(!_events[domain]) { | |
_events[domain] = {}; | |
} | |
if(!_events[domain][name]) { | |
_events[domain][name] = { | |
name: name, | |
domain: domain | |
}; | |
} | |
return _events[domain][name]; | |
}; | |
var _setEvent = function(event, name, domain) { | |
if(!name) { | |
return {}; | |
} | |
if(!domain) { | |
domain = ''; | |
} | |
if(!_events[domain]) { | |
_events[domain] = {}; | |
} | |
_events[domain][name] = event; | |
}; | |
var _setTimestamp = function(name, domain, action) { | |
var a = _getEvents(name, domain); | |
a[action] = new Date(); | |
_setEvent(a, name, domain); | |
}; | |
var _start = function(name, domain) { | |
return _setTimestamp(name, domain, 'start'); | |
}; | |
var _stop = function(name, domain) { | |
return _setTimestamp(name, domain, 'stop'); | |
}; | |
var _getLog = function() { | |
var log = 'Name,Domain,Start,Stop,Duration (sec)\n'; | |
for(var i in _events) { | |
for(var j in _events[i]) { | |
var item = _events[i][j]; | |
var duration = item.start && item.stop ? (item.stop - item.start) / 1000 : 0; | |
var start = item.start ? item.start.getTime() : 0; | |
var stop = item.stop ? item.stop.getTime() : 0; | |
log += item.name + ',' + item.domain + ',' + start + ',' + stop + ',' + duration + '\n' | |
} | |
} | |
console.log(log); | |
}; | |
return { | |
start: _start, | |
stop: _stop, | |
getLog: _getLog | |
}; | |
})(); | |
// MIN VERSION | |
window.profiler=function(){var t={},n=function(n,r){return n?(r||(r=""),t[r]||(t[r]={}),t[r][n]||(t[r][n]={name:n,domain:r}),t[r][n]):{}},r=function(n,r,o){return r?(o||(o=""),t[o]||(t[o]={}),void(t[o][r]=n)):{}},o=function(t,o,a){var e=n(t,o);e[a]=new Date,r(e,t,o)},a=function(t,n){return o(t,n,"start")},e=function(t,n){return o(t,n,"stop")},i=function(){var n="nombre,domain,start,stop,duration (sec)\n";for(var r in t)for(var o in t[r]){var a=t[r][o],e=a.start&&a.stop?(a.stop-a.start)/1e3:0,i=a.start?a.start.getTime():0,s=a.stop?a.stop.getTime():0;n+=a.name+","+a.domain+","+i+","+s+","+e+"\n"}console.log(n)};return{start:a,stop:e,getLog:i}}(); |
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Javascript simple profiler
Just add the minified code to your project and start profiling your code.
start
andstop
methods use as input adomain
and aname
for the event that is being registered i.e.start('get keys', 'services')
.To get the times recorded, just run
profiler.getLog()
. This will console.log the output in CSV format to easily copy-paste in Excel or any other spreadsheat.profiler
is defined globally.Quirks
If you call multiple times to
start
andstop
function, it will record the timestamp of the last call.Example