131 lines
3.8 KiB
JavaScript
131 lines
3.8 KiB
JavaScript
/* -*- js-indent-level: 4; indent-tabs-mode: nil -*- */
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/* vim:set ts=4 sw=4 sts=4 et: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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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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var MemoryStats = {};
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/**
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* Statistics that we want to retrieve and display after every test is
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* done. The keys of this table are intended to be identical to the
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* relevant attributes of nsIMemoryReporterManager. However, since
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* nsIMemoryReporterManager doesn't necessarily support all these
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* statistics in all build configurations, we also use this table to
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* tell us whether statistics are supported or not.
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*/
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var MEM_STAT_UNKNOWN = 0;
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var MEM_STAT_UNSUPPORTED = 1;
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var MEM_STAT_SUPPORTED = 2;
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MemoryStats._hasMemoryStatistics = {};
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MemoryStats._hasMemoryStatistics.vsize = MEM_STAT_UNKNOWN;
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MemoryStats._hasMemoryStatistics.vsizeMaxContiguous = MEM_STAT_UNKNOWN;
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MemoryStats._hasMemoryStatistics.residentFast = MEM_STAT_UNKNOWN;
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MemoryStats._hasMemoryStatistics.heapAllocated = MEM_STAT_UNKNOWN;
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MemoryStats._getService = function (className, interfaceName) {
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var service;
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try {
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service = Cc[className].getService(Ci[interfaceName]);
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} catch (e) {
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service = SpecialPowers.Cc[className].getService(
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SpecialPowers.Ci[interfaceName]
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);
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}
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return service;
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};
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MemoryStats._nsIFile = function (pathname) {
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var f;
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var contractID = "@mozilla.org/file/local;1";
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try {
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f = Cc[contractID].createInstance(Ci.nsIFile);
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} catch (e) {
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f = SpecialPowers.Cc[contractID].createInstance(SpecialPowers.Ci.nsIFile);
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}
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f.initWithPath(pathname);
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return f;
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};
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MemoryStats.constructPathname = function (directory, basename) {
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var d = MemoryStats._nsIFile(directory);
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d.append(basename);
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return d.path;
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};
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MemoryStats.dump = function (
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testNumber,
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testURL,
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dumpOutputDirectory,
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dumpAboutMemory,
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dumpDMD
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) {
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// Use dump because treeherder uses --quiet, which drops 'info'
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// from the structured logger.
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var info = function (message) {
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dump(message + "\n");
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};
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var mrm = MemoryStats._getService(
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"@mozilla.org/memory-reporter-manager;1",
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"nsIMemoryReporterManager"
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);
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var statMessage = "";
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for (var stat in MemoryStats._hasMemoryStatistics) {
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var supported = MemoryStats._hasMemoryStatistics[stat];
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var firstAccess = false;
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if (supported == MEM_STAT_UNKNOWN) {
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firstAccess = true;
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try {
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void mrm[stat];
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supported = MEM_STAT_SUPPORTED;
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} catch (e) {
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supported = MEM_STAT_UNSUPPORTED;
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}
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MemoryStats._hasMemoryStatistics[stat] = supported;
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}
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if (supported == MEM_STAT_SUPPORTED) {
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var sizeInMB = Math.round(mrm[stat] / (1024 * 1024));
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statMessage += " | " + stat + " " + sizeInMB + "MB";
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} else if (firstAccess) {
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info(
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"MEMORY STAT " + stat + " not supported in this build configuration."
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);
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}
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}
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if (statMessage.length) {
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info("MEMORY STAT" + statMessage);
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}
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if (dumpAboutMemory) {
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var basename = "about-memory-" + testNumber + ".json.gz";
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var dumpfile = MemoryStats.constructPathname(dumpOutputDirectory, basename);
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info(testURL + " | MEMDUMP-START " + dumpfile);
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let md = MemoryStats._getService(
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"@mozilla.org/memory-info-dumper;1",
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"nsIMemoryInfoDumper"
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);
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md.dumpMemoryReportsToNamedFile(
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dumpfile,
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function () {
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info("TEST-INFO | " + testURL + " | MEMDUMP-END");
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},
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null,
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/* anonymize = */ false,
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/* minimize memory usage = */ false
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);
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}
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if (dumpDMD) {
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let md = MemoryStats._getService(
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"@mozilla.org/memory-info-dumper;1",
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"nsIMemoryInfoDumper"
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);
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md.dumpMemoryInfoToTempDir(
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String(testNumber),
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/* anonymize = */ false,
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/* minimize memory usage = */ false
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);
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}
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};
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