forked from mirrors/gecko-dev
7b53fcdbb6
MozReview-Commit-ID: BFaOv5i5Tun --HG-- extra : rebase_source : 5c2b5d1867eb5b48c56725b87d71dae72a83eb34
80 lines
2.1 KiB
HTML
80 lines
2.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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Bug 1132764 - Test controlling the maximum allocations log length over the RDP.
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-->
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<head>
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<meta charset="utf-8">
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<title>Memory monitoring actor test</title>
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<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
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</head>
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<body>
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<pre id="test">
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<script src="memory-helpers.js" type="application/javascript"></script>
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<script>
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"use strict";
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window.onload = function () {
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SimpleTest.waitForExplicitFinish();
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Task.spawn(function* () {
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let { memory, client } = yield startServerAndGetSelectedTabMemory();
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yield memory.attach();
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let allocs = [];
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let eventsFired = 0;
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let intervalId = null;
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function onAlloc() {
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eventsFired++;
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}
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function startAllocating() {
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intervalId = setInterval(() => {
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for (let i = 100000; --i;) {
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allocs.push(new Object());
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}
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}, 1);
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}
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function stopAllocating() {
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clearInterval(intervalId);
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}
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memory.on("allocations", onAlloc);
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yield memory.startRecordingAllocations({
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drainAllocationsTimeout: 10
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});
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yield waitUntil(() => eventsFired > 5);
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ok(eventsFired > 5,
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"Some allocation events fired without allocating much via auto drain");
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yield memory.stopRecordingAllocations();
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// Set a really high auto drain timer so we can test if
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// it fires on GC
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eventsFired = 0;
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let startTime = performance.now();
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let drainTimer = 1000000;
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yield memory.startRecordingAllocations({
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drainAllocationsTimeout: drainTimer
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});
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startAllocating();
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yield waitUntil(() => {
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Cu.forceGC();
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return eventsFired > 1;
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});
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stopAllocating();
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ok(performance.now() - drainTimer < startTime,
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"Allocation events fired on GC before timer");
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yield memory.stopRecordingAllocations();
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memory.off("allocations", onAlloc);
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yield memory.detach();
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destroyServerAndFinish(client);
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});
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};
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</script>
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</pre>
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</body>
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</html>
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