benchpress
Version:
Benchpress - a framework for e2e performance tests
52 lines • 9.36 kB
JavaScript
var { Cc, Ci, Cu } = require('chrome');
var os = Cc['@mozilla.org/observer-service;1'].getService(Ci.nsIObserverService);
var ParserUtil = require('./parser_util');
class Profiler {
constructor() {
this._profiler = Cc['@mozilla.org/tools/profiler;1'].getService(Ci.nsIProfiler);
}
start(entries, interval, features, timeStarted) {
this._profiler.StartProfiler(entries, interval, features, features.length);
this._profilerStartTime = timeStarted;
this._markerEvents = [];
}
stop() { this._profiler.StopProfiler(); }
getProfilePerfEvents() {
var profileData = this._profiler.getProfileData();
var perfEvents = ParserUtil.convertPerfProfileToEvents(profileData);
perfEvents = this._mergeMarkerEvents(perfEvents);
perfEvents.sort(function (event1, event2) { return event1.ts - event2.ts; }); // Sort by ts
return perfEvents;
}
_mergeMarkerEvents(perfEvents) {
this._markerEvents.forEach(function (markerEvent) { perfEvents.push(markerEvent); });
return perfEvents;
}
addStartEvent(name, timeStarted) {
this._markerEvents.push({ ph: 'b', ts: timeStarted - this._profilerStartTime, name: name });
}
addEndEvent(name, timeEnded) {
this._markerEvents.push({ ph: 'e', ts: timeEnded - this._profilerStartTime, name: name });
}
}
function forceGC() {
Cu.forceGC();
os.notifyObservers(null, 'child-gc-request', null);
}
;
var mod = require('sdk/page-mod');
var data = require('sdk/self').data;
var profiler = new Profiler();
mod.PageMod({
include: ['*'],
contentScriptFile: data.url('installed_script.js'),
onAttach: worker => {
worker.port.on('startProfiler', (timeStarted) => profiler.start(/* = profiler memory */ 3000000, 0.1, ['leaf', 'js', 'stackwalk', 'gc'], timeStarted));
worker.port.on('stopProfiler', () => profiler.stop());
worker.port.on('getProfile', () => worker.port.emit('perfProfile', profiler.getProfilePerfEvents()));
worker.port.on('forceGC', forceGC);
worker.port.on('markStart', (name, timeStarted) => profiler.addStartEvent(name, timeStarted));
worker.port.on('markEnd', (name, timeEnded) => profiler.addEndEvent(name, timeEnded));
}
});
//# 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