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/* -*- js-indent-level: 4; indent-tabs-mode: nil -*- */
/* vim:set ts=4 sw=4 sts=4 et: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
var MemoryStats = {};
/**
* Statistics that we want to retrieve and display after every test is
* done. The keys of this table are intended to be identical to the
* relevant attributes of nsIMemoryReporterManager. However, since
* nsIMemoryReporterManager doesn't necessarily support all these
* statistics in all build configurations, we also use this table to
* tell us whether statistics are supported or not.
*/
var MEM_STAT_UNKNOWN = 0;
var MEM_STAT_UNSUPPORTED = 1;
var MEM_STAT_SUPPORTED = 2;
MemoryStats._hasMemoryStatistics = {};
MemoryStats._hasMemoryStatistics.vsize = MEM_STAT_UNKNOWN;
MemoryStats._hasMemoryStatistics.vsizeMaxContiguous = MEM_STAT_UNKNOWN;
MemoryStats._hasMemoryStatistics.residentFast = MEM_STAT_UNKNOWN;
MemoryStats._hasMemoryStatistics.heapAllocated = MEM_STAT_UNKNOWN;
MemoryStats._getService = function (className, interfaceName) {
var service;
try {
service = Cc[className].getService(Ci[interfaceName]);
} catch (e) {
service = SpecialPowers.Cc[className].getService(
SpecialPowers.Ci[interfaceName]
);
}
return service;
};
MemoryStats._nsIFile = function (pathname) {
var f;
var contractID = "@mozilla.org/file/local;1";
try {
f = Cc[contractID].createInstance(Ci.nsIFile);
} catch (e) {
f = SpecialPowers.Cc[contractID].createInstance(SpecialPowers.Ci.nsIFile);
}
f.initWithPath(pathname);
return f;
};
MemoryStats.constructPathname = function (directory, basename) {
var d = MemoryStats._nsIFile(directory);
d.append(basename);
return d.path;
};
MemoryStats.dump = function (
testNumber,
testURL,
dumpOutputDirectory,
dumpAboutMemory,
dumpDMD
) {
// Use dump because treeherder uses --quiet, which drops 'info'
// from the structured logger.
var info = function (message) {
dump(message + "\n");
};
var mrm = MemoryStats._getService(
"@mozilla.org/memory-reporter-manager;1",
"nsIMemoryReporterManager"
);
var statMessage = "";
for (var stat in MemoryStats._hasMemoryStatistics) {
var supported = MemoryStats._hasMemoryStatistics[stat];
var firstAccess = false;
if (supported == MEM_STAT_UNKNOWN) {
firstAccess = true;
try {
void mrm[stat];
supported = MEM_STAT_SUPPORTED;
} catch (e) {
supported = MEM_STAT_UNSUPPORTED;
}
MemoryStats._hasMemoryStatistics[stat] = supported;
}
if (supported == MEM_STAT_SUPPORTED) {
var sizeInMB = Math.round(mrm[stat] / (1024 * 1024));
statMessage += " | " + stat + " " + sizeInMB + "MB";
} else if (firstAccess) {
info(
"MEMORY STAT " + stat + " not supported in this build configuration."
);
}
}
if (statMessage.length) {
info("MEMORY STAT" + statMessage);
}
if (dumpAboutMemory) {
var basename = "about-memory-" + testNumber + ".json.gz";
var dumpfile = MemoryStats.constructPathname(dumpOutputDirectory, basename);
info(testURL + " | MEMDUMP-START " + dumpfile);
let md = MemoryStats._getService(
"@mozilla.org/memory-info-dumper;1",
"nsIMemoryInfoDumper"
);
md.dumpMemoryReportsToNamedFile(
dumpfile,
function () {
info("TEST-INFO | " + testURL + " | MEMDUMP-END");
},
null,
/* anonymize = */ false,
/* minimize memory usage = */ false
);
}
if (dumpDMD) {
let md = MemoryStats._getService(
"@mozilla.org/memory-info-dumper;1",
"nsIMemoryInfoDumper"
);
md.dumpMemoryInfoToTempDir(
String(testNumber),
/* anonymize = */ false,
/* minimize memory usage = */ false
);
}
};