testing/mochitest/tests/SimpleTest/MemoryStats.js@b8a032363ba2 (annotated)
testing/mochitest/tests/SimpleTest/MemoryStats.js
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- js-indent-level: 4; tab-width: 4; indent-tabs-mode: nil -*- */ |
| michael@0 | 2 | /* vim:set ts=4 sw=4 sts=4 et: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | var MemoryStats = {}; |
| michael@0 | 8 | |
| michael@0 | 9 | /** |
| michael@0 | 10 | * Statistics that we want to retrieve and display after every test is |
| michael@0 | 11 | * done. The keys of this table are intended to be identical to the |
| michael@0 | 12 | * relevant attributes of nsIMemoryReporterManager. However, since |
| michael@0 | 13 | * nsIMemoryReporterManager doesn't necessarily support all these |
| michael@0 | 14 | * statistics in all build configurations, we also use this table to |
| michael@0 | 15 | * tell us whether statistics are supported or not. |
| michael@0 | 16 | */ |
| michael@0 | 17 | var MEM_STAT_UNKNOWN = 0; |
| michael@0 | 18 | var MEM_STAT_UNSUPPORTED = 1; |
| michael@0 | 19 | var MEM_STAT_SUPPORTED = 2; |
| michael@0 | 20 | |
| michael@0 | 21 | MemoryStats._hasMemoryStatistics = {} |
| michael@0 | 22 | MemoryStats._hasMemoryStatistics.vsize = MEM_STAT_UNKNOWN; |
| michael@0 | 23 | MemoryStats._hasMemoryStatistics.vsizeMaxContiguous = MEM_STAT_UNKNOWN; |
| michael@0 | 24 | MemoryStats._hasMemoryStatistics.residentFast = MEM_STAT_UNKNOWN; |
| michael@0 | 25 | MemoryStats._hasMemoryStatistics.heapAllocated = MEM_STAT_UNKNOWN; |
| michael@0 | 26 | |
| michael@0 | 27 | MemoryStats._getService = function (className, interfaceName) { |
| michael@0 | 28 | var service; |
| michael@0 | 29 | try { |
| michael@0 | 30 | service = Cc[className].getService(Ci[interfaceName]); |
| michael@0 | 31 | } catch (e) { |
| michael@0 | 32 | service = SpecialPowers.Cc[className] |
| michael@0 | 33 | .getService(SpecialPowers.Ci[interfaceName]); |
| michael@0 | 34 | } |
| michael@0 | 35 | return service; |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | MemoryStats._nsIFile = function (pathname) { |
| michael@0 | 39 | var f; |
| michael@0 | 40 | var contractID = "@mozilla.org/file/local;1"; |
| michael@0 | 41 | try { |
| michael@0 | 42 | f = Cc[contractID].createInstance(Ci.nsIFile); |
| michael@0 | 43 | } catch(e) { |
| michael@0 | 44 | f = SpecialPowers.Cc[contractID].createInstance(SpecialPowers.Ci.nsIFile); |
| michael@0 | 45 | } |
| michael@0 | 46 | f.initWithPath(pathname); |
| michael@0 | 47 | return f; |
| michael@0 | 48 | } |
| michael@0 | 49 | |
| michael@0 | 50 | MemoryStats.constructPathname = function (directory, basename) { |
| michael@0 | 51 | var d = MemoryStats._nsIFile(directory); |
| michael@0 | 52 | d.append(basename); |
| michael@0 | 53 | return d.path; |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | MemoryStats.dump = function (dumpFn, |
| michael@0 | 57 | testNumber, |
| michael@0 | 58 | testURL, |
| michael@0 | 59 | dumpOutputDirectory, |
| michael@0 | 60 | dumpAboutMemory, |
| michael@0 | 61 | dumpDMD) { |
| michael@0 | 62 | var mrm = MemoryStats._getService("@mozilla.org/memory-reporter-manager;1", |
| michael@0 | 63 | "nsIMemoryReporterManager"); |
| michael@0 | 64 | for (var stat in MemoryStats._hasMemoryStatistics) { |
| michael@0 | 65 | var supported = MemoryStats._hasMemoryStatistics[stat]; |
| michael@0 | 66 | var firstAccess = false; |
| michael@0 | 67 | if (supported == MEM_STAT_UNKNOWN) { |
| michael@0 | 68 | firstAccess = true; |
| michael@0 | 69 | try { |
| michael@0 | 70 | var value = mrm[stat]; |
| michael@0 | 71 | supported = MEM_STAT_SUPPORTED; |
| michael@0 | 72 | } catch (e) { |
| michael@0 | 73 | supported = MEM_STAT_UNSUPPORTED; |
| michael@0 | 74 | } |
| michael@0 | 75 | MemoryStats._hasMemoryStatistics[stat] = supported; |
| michael@0 | 76 | } |
| michael@0 | 77 | if (supported == MEM_STAT_SUPPORTED) { |
| michael@0 | 78 | dumpFn("TEST-INFO | MEMORY STAT " + stat + " after test: " + mrm[stat]); |
| michael@0 | 79 | } else if (firstAccess) { |
| michael@0 | 80 | dumpFn("TEST-INFO | MEMORY STAT " + stat + " not supported in this build configuration."); |
| michael@0 | 81 | } |
| michael@0 | 82 | } |
| michael@0 | 83 | |
| michael@0 | 84 | if (dumpAboutMemory) { |
| michael@0 | 85 | var basename = "about-memory-" + testNumber + ".json.gz"; |
| michael@0 | 86 | var dumpfile = MemoryStats.constructPathname(dumpOutputDirectory, |
| michael@0 | 87 | basename); |
| michael@0 | 88 | dumpFn("TEST-INFO | " + testURL + " | MEMDUMP-START " + dumpfile); |
| michael@0 | 89 | var md = MemoryStats._getService("@mozilla.org/memory-info-dumper;1", |
| michael@0 | 90 | "nsIMemoryInfoDumper"); |
| michael@0 | 91 | md.dumpMemoryReportsToNamedFile(dumpfile, function () { |
| michael@0 | 92 | dumpFn("TEST-INFO | " + testURL + " | MEMDUMP-END"); |
| michael@0 | 93 | }, null); |
| michael@0 | 94 | |
| michael@0 | 95 | } |
| michael@0 | 96 | |
| michael@0 | 97 | if (dumpDMD && typeof(DMDReportAndDump) != undefined) { |
| michael@0 | 98 | var basename = "dmd-" + testNumber + ".txt"; |
| michael@0 | 99 | var dumpfile = MemoryStats.constructPathname(dumpOutputDirectory, |
| michael@0 | 100 | basename); |
| michael@0 | 101 | dumpFn("TEST-INFO | " + testURL + " | DMD-DUMP " + dumpfile); |
| michael@0 | 102 | DMDReportAndDump(dumpfile); |
| michael@0 | 103 | } |
| michael@0 | 104 | }; |
