153 lines
4.3 KiB
HTML
153 lines
4.3 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Service worker performance test: update</title>
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</head>
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<div id="content"></div>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script src="../utils.js"></script>
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<script src="perfutils.js"></script>
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<script>
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"use strict";
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const VACUOUS_UPDATE = "Vacuous update";
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const SERVER_UPDATE = "Server update";
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const MAIN_CALLBACK = "Main callback";
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const SW_CALLBACK = "SW callback";
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const UPDATE_INTERNALS = "Update internals";
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var journal = {};
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journal[VACUOUS_UPDATE] = [];
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journal[SERVER_UPDATE] = [];
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journal[MAIN_CALLBACK] = [];
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journal[SW_CALLBACK] = [];
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journal[UPDATE_INTERNALS] = [];
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const ITERATIONS = 11;
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var perfMetadata = {
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owner: "DOM LWS",
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name: "Service Worker Update",
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description: "Test updating.",
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options: {
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default: {
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perfherder: true,
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perfherder_metrics: [
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// Here, we can't use the constants defined above because perfherder
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// grabs data from the parse tree.
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{ name: "Vacuous update", unit: "ms", shouldAlert: true },
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{ name: "Server update", unit: "ms", shouldAlert: true },
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{ name: "Main callback", unit: "ms", shouldAlert: true },
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{ name: "SW callback", unit: "ms", shouldAlert: true },
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{ name: "Update internals", unit: "ms", shouldAlert: true },
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],
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verbose: true,
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manifest: "perftest.toml",
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manifest_flavor: "plain",
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},
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},
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};
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async function testVacuousUpdate() {
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async function measure() {
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let reg = await navigator.serviceWorker.register("sw_empty.js");
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await waitForState(reg.installing, "activated");
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let begin_ts = performance.now();
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await reg.update();
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let end_ts = performance.now();
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await reg.unregister();
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journal[VACUOUS_UPDATE].push(end_ts - begin_ts);
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}
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for (let i = 0; i < ITERATIONS; i++) {
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await measure();
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}
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}
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async function testServerUpdate() {
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async function measure() {
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await startProfiler();
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let reg = await navigator.serviceWorker.register("sw_serverupdate.sjs");
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let promiseSW = new Promise((resolve, reject) => {
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window.onmessage = (e) => {
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is(e.data, "updatefound");
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resolve(performance.now());
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};
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});
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let callbackCounter = 0;
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let promiseMain = new Promise((resolve, reject) => {
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reg.onupdatefound = (e) => {
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callbackCounter++;
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// The first "update" happens for the original script,
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// and isn't what we're interested in measuring.
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if (callbackCounter == 2) {
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resolve(performance.now());
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}
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};
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});
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is(callbackCounter, 0);
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await waitForState(reg.installing, "activated");
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is(callbackCounter, 1);
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let content = document.getElementById("content");
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let iframe = document.createElement("iframe");
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content.appendChild(iframe);
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iframe.setAttribute("src", "./fwd_messages_upward.html");
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let begin_ts = performance.now();
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await reg.update();
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let endUpdate_ts = performance.now();
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let endMainCallback_ts = await promiseMain;
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let endSWCallback_ts = await promiseSW;
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let pdata = await stopProfiler();
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let internals_ms = inspectProfile(pdata, [
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"ServiceWorkerRegistration::Update",
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"ServiceWorkerRegistration::Update (inner)",
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"ServiceWorkerUpdateJob::AsyncExecute",
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"ServiceWorkerUpdateJob::Update",
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"ServiceWorkerUpdateJob::Install"
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]);
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await reg.unregister();
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journal[SERVER_UPDATE].push(endUpdate_ts - begin_ts);
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journal[MAIN_CALLBACK].push(endMainCallback_ts - begin_ts);
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journal[SW_CALLBACK].push(endSWCallback_ts - begin_ts);
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journal[UPDATE_INTERNALS].push(internals_ms);
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}
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for (let i = 0; i < ITERATIONS; i++) {
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await measure();
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}
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}
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add_task(async () => {
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await SpecialPowers.pushPrefEnv({
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set: [["dom.serviceWorkers.enabled", true],
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["dom.serviceWorkers.testing.enabled", true],
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["dom.serviceWorkers.update_delay", 0]]
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});
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add_task(() => SpecialPowers.popPrefEnv());
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ok(true);
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});
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add_task(testVacuousUpdate);
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add_task(testServerUpdate);
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add_task(() => reportMetrics(journal));
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</script>
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<body>
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<div id="content"></div>
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</body>
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</html>
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