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comparison: testing/mochitest/tests/SimpleTest/MemoryStats.js
testing/mochitest/tests/SimpleTest/MemoryStats.js
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- 6474c204b198
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| -1:000000000000 | 0:93b4f5e41146 |
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| 1 /* -*- js-indent-level: 4; tab-width: 4; indent-tabs-mode: nil -*- */ | |
| 2 /* vim:set ts=4 sw=4 sts=4 et: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 var MemoryStats = {}; | |
| 8 | |
| 9 /** | |
| 10 * Statistics that we want to retrieve and display after every test is | |
| 11 * done. The keys of this table are intended to be identical to the | |
| 12 * relevant attributes of nsIMemoryReporterManager. However, since | |
| 13 * nsIMemoryReporterManager doesn't necessarily support all these | |
| 14 * statistics in all build configurations, we also use this table to | |
| 15 * tell us whether statistics are supported or not. | |
| 16 */ | |
| 17 var MEM_STAT_UNKNOWN = 0; | |
| 18 var MEM_STAT_UNSUPPORTED = 1; | |
| 19 var MEM_STAT_SUPPORTED = 2; | |
| 20 | |
| 21 MemoryStats._hasMemoryStatistics = {} | |
| 22 MemoryStats._hasMemoryStatistics.vsize = MEM_STAT_UNKNOWN; | |
| 23 MemoryStats._hasMemoryStatistics.vsizeMaxContiguous = MEM_STAT_UNKNOWN; | |
| 24 MemoryStats._hasMemoryStatistics.residentFast = MEM_STAT_UNKNOWN; | |
| 25 MemoryStats._hasMemoryStatistics.heapAllocated = MEM_STAT_UNKNOWN; | |
| 26 | |
| 27 MemoryStats._getService = function (className, interfaceName) { | |
| 28 var service; | |
| 29 try { | |
| 30 service = Cc[className].getService(Ci[interfaceName]); | |
| 31 } catch (e) { | |
| 32 service = SpecialPowers.Cc[className] | |
| 33 .getService(SpecialPowers.Ci[interfaceName]); | |
| 34 } | |
| 35 return service; | |
| 36 } | |
| 37 | |
| 38 MemoryStats._nsIFile = function (pathname) { | |
| 39 var f; | |
| 40 var contractID = "@mozilla.org/file/local;1"; | |
| 41 try { | |
| 42 f = Cc[contractID].createInstance(Ci.nsIFile); | |
| 43 } catch(e) { | |
| 44 f = SpecialPowers.Cc[contractID].createInstance(SpecialPowers.Ci.nsIFile); | |
| 45 } | |
| 46 f.initWithPath(pathname); | |
| 47 return f; | |
| 48 } | |
| 49 | |
| 50 MemoryStats.constructPathname = function (directory, basename) { | |
| 51 var d = MemoryStats._nsIFile(directory); | |
| 52 d.append(basename); | |
| 53 return d.path; | |
| 54 } | |
| 55 | |
| 56 MemoryStats.dump = function (dumpFn, | |
| 57 testNumber, | |
| 58 testURL, | |
| 59 dumpOutputDirectory, | |
| 60 dumpAboutMemory, | |
| 61 dumpDMD) { | |
| 62 var mrm = MemoryStats._getService("@mozilla.org/memory-reporter-manager;1", | |
| 63 "nsIMemoryReporterManager"); | |
| 64 for (var stat in MemoryStats._hasMemoryStatistics) { | |
| 65 var supported = MemoryStats._hasMemoryStatistics[stat]; | |
| 66 var firstAccess = false; | |
| 67 if (supported == MEM_STAT_UNKNOWN) { | |
| 68 firstAccess = true; | |
| 69 try { | |
| 70 var value = mrm[stat]; | |
| 71 supported = MEM_STAT_SUPPORTED; | |
| 72 } catch (e) { | |
| 73 supported = MEM_STAT_UNSUPPORTED; | |
| 74 } | |
| 75 MemoryStats._hasMemoryStatistics[stat] = supported; | |
| 76 } | |
| 77 if (supported == MEM_STAT_SUPPORTED) { | |
| 78 dumpFn("TEST-INFO | MEMORY STAT " + stat + " after test: " + mrm[stat]); | |
| 79 } else if (firstAccess) { | |
| 80 dumpFn("TEST-INFO | MEMORY STAT " + stat + " not supported in this build configuration."); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 if (dumpAboutMemory) { | |
| 85 var basename = "about-memory-" + testNumber + ".json.gz"; | |
| 86 var dumpfile = MemoryStats.constructPathname(dumpOutputDirectory, | |
| 87 basename); | |
| 88 dumpFn("TEST-INFO | " + testURL + " | MEMDUMP-START " + dumpfile); | |
| 89 var md = MemoryStats._getService("@mozilla.org/memory-info-dumper;1", | |
| 90 "nsIMemoryInfoDumper"); | |
| 91 md.dumpMemoryReportsToNamedFile(dumpfile, function () { | |
| 92 dumpFn("TEST-INFO | " + testURL + " | MEMDUMP-END"); | |
| 93 }, null); | |
| 94 | |
| 95 } | |
| 96 | |
| 97 if (dumpDMD && typeof(DMDReportAndDump) != undefined) { | |
| 98 var basename = "dmd-" + testNumber + ".txt"; | |
| 99 var dumpfile = MemoryStats.constructPathname(dumpOutputDirectory, | |
| 100 basename); | |
| 101 dumpFn("TEST-INFO | " + testURL + " | DMD-DUMP " + dumpfile); | |
| 102 DMDReportAndDump(dumpfile); | |
| 103 } | |
| 104 }; |
