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Bug 1499609 Convert cpstartup to a webextension r=mconley
Differential Revision: https://phabricator.services.mozilla.com/D9411 --HG-- rename : testing/talos/talos/tests/cpstartup/content/cpstartup.html => testing/talos/talos/tests/cpstartup/cpstartup.html rename : testing/talos/talos/tests/cpstartup/bootstrap.js => testing/talos/talos/tests/cpstartup/extension/api.js rename : testing/talos/talos/tests/cpstartup/install.rdf => testing/talos/talos/tests/cpstartup/extension/manifest.json rename : testing/talos/talos/tests/cpstartup/content/target.html => testing/talos/talos/tests/cpstartup/target.html extra : moz-landing-system : lando
This commit is contained in:
Andrew Swan
parent
002bf06b3f
commit
fc154a3b91
@ -285,14 +285,13 @@ class cpstartup(PageloaderTest):
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initialize it to the point where it can start processing incoming URLs
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to load.
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"""
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extensions = ['${talos}/tests/cpstartup', '${talos}/pageloader']
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extensions = ['${talos}/pageloader', '${talos}/tests/cpstartup/extension']
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tpmanifest = '${talos}/tests/cpstartup/cpstartup.manifest'
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tppagecycles = 20
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gecko_profile_entries = 1000000
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tploadnocache = True
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unit = 'ms'
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preferences = {
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'addon.test.cpstartup.webserver': '${webserver}',
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# By default, Talos is configured to open links from
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# content in new windows. We're overriding them so that
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# they open in new tabs instead.
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@ -1 +0,0 @@
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content cpstartup content/ remoteenabled=yes contentaccessible=yes
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@ -1,27 +0,0 @@
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<html>
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<head>
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<script>
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function init() {
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if (document.location.hash.indexOf("#auto") == 0) {
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let mm = window.docShell.messageManager;
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mm.addMessageListener("CPStartup:FinalResults", function onResults(msg) {
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mm.removeMessageListener("CPStartup:FinalResults", onResults);
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let results = msg.data;
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tpRecordTime(results, 0, "content-process-startup");
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});
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mm.sendAsyncMessage("CPStartup:Go");
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}
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}
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</script>
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</head>
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<body onload="init();">
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Hello, Talos!
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<a href="#" id="target" target="_blank">I'll open a new tab</a>
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</body>
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</html>
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43
testing/talos/talos/tests/cpstartup/cpstartup.html
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43
testing/talos/talos/tests/cpstartup/cpstartup.html
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@ -0,0 +1,43 @@
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<html>
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<head>
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<script>
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function init() {
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window.addEventListener("CPStartup:FinalResults", function onResults(event) {
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let results = event.detail;
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tpRecordTime(results, 0, "content-process-startup");
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}, {once: true});
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async function tryPing() {
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let pingPromise = new Promise(resolve => {
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window.addEventListener("CPStartup:Pong", resolve, {once: true});
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dispatchEvent(new CustomEvent("CPStartup:Ping", {bubbles: true}));
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});
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let timeoutPromise = new Promise((resolve, reject) => setTimeout(reject, 500));
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try {
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await Promise.race([pingPromise, timeoutPromise]);
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} catch (e) {
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return tryPing();
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}
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return null;
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}
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let target = document.location.href.replace(/cpstartup.html$/, "target.html");
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tryPing().then(() => {
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dispatchEvent(new CustomEvent("CPStartup:Go", {
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bubbles: true,
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detail: {target},
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}));
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});
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}
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</script>
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</head>
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<body onload="init();">
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Hello, Talos!
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<a href="#" id="target" target="_blank">I'll open a new tab</a>
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</body>
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</html>
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@ -1 +1 @@
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% chrome://cpstartup/content/cpstartup.html#auto
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% http://localhost/tests/cpstartup/cpstartup.html
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@ -2,61 +2,61 @@
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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ChromeUtils.import("resource://gre/modules/Services.jsm");
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ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
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const PREALLOCATED_PREF = "dom.ipc.processPrelaunch.enabled";
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const TARGET_PATH = "tests/cpstartup/content/target.html";
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const WEBSERVER = Services.prefs.getCharPref("addon.test.cpstartup.webserver");
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const TARGET_URI = `${WEBSERVER}/${TARGET_PATH}`;
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/**
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* The purpose of this test it to measure the performance of a content process startup.
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* The purpose of this test it to measure the performance of a
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* content process startup.
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*
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* In practice it measures a bit more than the content process startup. First the parent
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* process starts the clock and requests a new tab with a simple page and then the child
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* stops the clock in the frame script that will be able to process the URL to handle.
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* So it does measure a few things pre process creation (browser element and tab creation
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* on parent side) but does not measure the part where we actually parse and render the
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* page on the content side, just the overhead of spawning a new content process.
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* In practice it measures a bit more than the content process startup. First
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* the parent process starts the clock and requests a new tab with a simple
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* page and then the child stops the clock in the frame script that will be
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* able to process the URL to handle. So it does measure a few things
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* pre process creation (browser element and tab creation on parent side) but
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* does not measure the part where we actually parse and render the page on
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* the content side, just the overhead of spawning a new content process.
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*/
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var CPStartup = {
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MESSAGES: [
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"CPStartup:Go",
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"Content:BrowserChildReady",
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],
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readyCallback: null,
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XPCOMUtils.defineLazyScriptGetter(this, "TalosParentProfiler",
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"resource://talos-powers/TalosParentProfiler.js");
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startStamp: null,
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ChromeUtils.defineModuleGetter(this, "Services",
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"resource://gre/modules/Services.jsm");
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tab: null,
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/**
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* Shortcut to getting at the TalosParentProfiler.
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*/
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get Profiler() {
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delete this.Profiler;
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let context = {};
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Services.scriptloader.loadSubScript("resource://talos-powers/TalosParentProfiler.js", context);
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return this.Profiler = context.TalosParentProfiler;
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},
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const PREALLOCATED_PREF = "dom.ipc.processPrelaunch.enabled";
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const MESSAGES = [
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"CPStartup:Go",
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"Content:BrowserChildReady",
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];
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init() {
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for (let msgName of this.MESSAGES) {
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/* global ExtensionAPI */
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this.cpstartup = class extends ExtensionAPI {
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onStartup() {
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for (let msgName of MESSAGES) {
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Services.mm.addMessageListener(msgName, this);
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}
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this.framescriptURL = this.extension.baseURI.resolve("/framescript.js");
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Services.mm.loadFrameScript(this.framescriptURL, true);
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this.originalPreallocatedEnabled = Services.prefs.getBoolPref(PREALLOCATED_PREF);
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Services.prefs.setBoolPref(PREALLOCATED_PREF, false);
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},
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uninit() {
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for (let msgName of this.MESSAGES) {
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this.readyCallback = null;
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this.startStamp = null;
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this.tab = null;
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}
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onShutdown() {
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Services.prefs.setBoolPref(PREALLOCATED_PREF, this.originalPreallocatedEnabled);
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Services.mm.removeDelayedFrameScript(this.framescriptURL);
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for (let msgName of MESSAGES) {
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Services.mm.removeMessageListener(msgName, this);
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}
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Services.prefs.setBoolPref(PREALLOCATED_PREF, this.originalPreallocatedEnabled);
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},
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}
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receiveMessage(msg) {
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let browser = msg.target;
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@ -64,7 +64,7 @@ var CPStartup = {
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switch (msg.name) {
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case "CPStartup:Go": {
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this.openTab(gBrowser).then(results =>
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this.openTab(gBrowser, msg.data.target).then(results =>
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this.reportResults(results));
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break;
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}
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@ -86,31 +86,25 @@ var CPStartup = {
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break;
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}
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}
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},
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}
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openTab(gBrowser) {
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return new Promise((resolve) => {
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// Start the timer and the profiler right before the tab open on the parent side.
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this.Profiler.resume("tab opening starts");
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this.startStamp = Services.telemetry.msSystemNow();
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this.tab = gBrowser.selectedTab = gBrowser.addTab(TARGET_URI, {
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triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(),
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});
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async openTab(gBrowser, url) {
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// Start the timer and the profiler right before the tab open on the parent side.
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TalosParentProfiler.resume("tab opening starts");
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this.startStamp = Services.telemetry.msSystemNow();
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this.tab = gBrowser.selectedTab = gBrowser.addTrustedTab(url);
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this.whenTabReady().then(({tab, delta}) => {
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this.Profiler.pause("tab opening end");
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this.removeTab(tab).then(() => {
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resolve(delta);
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});
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});
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});
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},
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let {tab, delta} = await this.whenTabReady();
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TalosParentProfiler.pause("tab opening end");
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await this.removeTab(tab);
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return delta;
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}
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whenTabReady() {
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return new Promise((resolve) => {
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this.readyCallback = resolve;
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});
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},
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}
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removeTab(tab) {
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return new Promise((resolve) => {
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@ -124,21 +118,9 @@ var CPStartup = {
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tab.ownerGlobal.gBrowser.removeTab(tab);
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});
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},
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}
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reportResults(results) {
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Services.mm.broadcastAsyncMessage("CPStartup:FinalResults", results);
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},
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}
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};
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function install(aData, aReason) {}
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function startup(aData, aReason) {
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CPStartup.init();
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}
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function shutdown(aData, aReason) {
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CPStartup.uninit();
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}
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function uninstall(aData, aReason) {}
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19
testing/talos/talos/tests/cpstartup/extension/framescript.js
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19
testing/talos/talos/tests/cpstartup/extension/framescript.js
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(function() {
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addEventListener("CPStartup:Ping", e => {
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let evt = new content.CustomEvent("CPStartup:Pong", {bubbles: true});
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content.dispatchEvent(evt);
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}, false, true);
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addEventListener("CPStartup:Go", e => {
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sendAsyncMessage("CPStartup:Go", e.detail);
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}, false, true);
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addMessageListener("CPStartup:FinalResults", msg => {
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let evt = Cu.cloneInto({
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bubbles: true,
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detail: msg.data,
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}, content);
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content.dispatchEvent(new content.CustomEvent("CPStartup:FinalResults", evt));
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});
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})();
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23
testing/talos/talos/tests/cpstartup/extension/manifest.json
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23
testing/talos/talos/tests/cpstartup/extension/manifest.json
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{
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"manifest_version": 2,
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"name": "cpstartup test",
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"description": "Measures the performance of starting and initializing new content processes",
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"version": "1.1",
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"applications": {
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"gecko": {
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"id": "cpstartup-test@mozilla.org"
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}
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},
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"experiment_apis": {
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"cpstartup": {
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"schema": "schema.json",
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"parent": {
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"scopes": ["addon_parent"],
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"script": "api.js",
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"events": ["startup"]
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}
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}
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}
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}
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@ -0,0 +1 @@
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[]
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@ -1,24 +0,0 @@
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<?xml version="1.0"?>
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<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:em="http://www.mozilla.org/2004/em-rdf#">
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<Description about="urn:mozilla:install-manifest">
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<em:id>cpstartup-test@mozilla.org</em:id>
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<em:type>2</em:type>
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<em:name>cpstartup test</em:name>
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<em:version>1.0.0</em:version>
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<em:bootstrap>true</em:bootstrap>
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<em:description>Measures the performance of starting and initializing new content processes</em:description>
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<em:creator>Gabor Krizsanits</em:creator>
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<em:multiprocessCompatible>true</em:multiprocessCompatible>
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<!-- Desktop -->
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<em:targetApplication>
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<Description>
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<em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
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<em:minVersion>55.0</em:minVersion>
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<em:maxVersion>*</em:maxVersion>
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</Description>
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</em:targetApplication>
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<em:description>https://wiki.mozilla.org/Buildbot/Talos/Tests</em:description>
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<em:homepageURL>https://wiki.mozilla.org/Buildbot/Talos/Tests</em:homepageURL>
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</Description>
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</RDF>
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