The Tor Browser / file comparison
comparison: testing/mochitest/cc-analyzer.js
testing/mochitest/cc-analyzer.js
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:53a83f59f3d0 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 function CCAnalyzer() { | |
| 6 } | |
| 7 | |
| 8 CCAnalyzer.prototype = { | |
| 9 clear: function () { | |
| 10 this.callback = null; | |
| 11 this.processingCount = 0; | |
| 12 this.graph = {}; | |
| 13 this.roots = []; | |
| 14 this.garbage = []; | |
| 15 this.edges = []; | |
| 16 this.listener = null; | |
| 17 }, | |
| 18 | |
| 19 run: function (aCallback) { | |
| 20 this.clear(); | |
| 21 this.callback = aCallback; | |
| 22 | |
| 23 this.listener = Cc["@mozilla.org/cycle-collector-logger;1"]. | |
| 24 createInstance(Ci.nsICycleCollectorListener); | |
| 25 | |
| 26 this.listener.disableLog = true; | |
| 27 this.listener.wantAfterProcessing = true; | |
| 28 | |
| 29 this.runCC(3); | |
| 30 }, | |
| 31 | |
| 32 runCC: function (aCounter) { | |
| 33 let utils = window.QueryInterface(Ci.nsIInterfaceRequestor). | |
| 34 getInterface(Ci.nsIDOMWindowUtils); | |
| 35 | |
| 36 if (aCounter > 1) { | |
| 37 utils.garbageCollect(); | |
| 38 setTimeout(this.runCC.bind(this, aCounter - 1), 0); | |
| 39 } else { | |
| 40 utils.garbageCollect(this.listener); | |
| 41 this.processLog(); | |
| 42 } | |
| 43 }, | |
| 44 | |
| 45 processLog: function () { | |
| 46 // Process entire heap step by step in 5K chunks | |
| 47 for (let i = 0; i < 5000; i++) { | |
| 48 if (!this.listener.processNext(this)) { | |
| 49 this.callback(); | |
| 50 this.clear(); | |
| 51 return; | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 // Next chunk on timeout. | |
| 56 setTimeout(this.processLog.bind(this), 0); | |
| 57 }, | |
| 58 | |
| 59 noteRefCountedObject: function (aAddress, aRefCount, aObjectDescription) { | |
| 60 let o = this.ensureObject(aAddress); | |
| 61 o.address = aAddress; | |
| 62 o.refcount = aRefCount; | |
| 63 o.name = aObjectDescription; | |
| 64 }, | |
| 65 | |
| 66 noteGCedObject: function (aAddress, aMarked, aObjectDescription) { | |
| 67 let o = this.ensureObject(aAddress); | |
| 68 o.address = aAddress; | |
| 69 o.gcmarked = aMarked; | |
| 70 o.name = aObjectDescription; | |
| 71 }, | |
| 72 | |
| 73 noteEdge: function (aFromAddress, aToAddress, aEdgeName) { | |
| 74 let fromObject = this.ensureObject(aFromAddress); | |
| 75 let toObject = this.ensureObject(aToAddress); | |
| 76 fromObject.edges.push({name: aEdgeName, to: toObject}); | |
| 77 toObject.owners.push({name: aEdgeName, from: fromObject}); | |
| 78 | |
| 79 this.edges.push({ | |
| 80 name: aEdgeName, | |
| 81 from: fromObject, | |
| 82 to: toObject | |
| 83 }); | |
| 84 }, | |
| 85 | |
| 86 describeRoot: function (aAddress, aKnownEdges) { | |
| 87 let o = this.ensureObject(aAddress); | |
| 88 o.root = true; | |
| 89 o.knownEdges = aKnownEdges; | |
| 90 this.roots.push(o); | |
| 91 }, | |
| 92 | |
| 93 describeGarbage: function (aAddress) { | |
| 94 let o = this.ensureObject(aAddress); | |
| 95 o.garbage = true; | |
| 96 this.garbage.push(o); | |
| 97 }, | |
| 98 | |
| 99 ensureObject: function (aAddress) { | |
| 100 if (!this.graph[aAddress]) | |
| 101 this.graph[aAddress] = new CCObject(); | |
| 102 | |
| 103 return this.graph[aAddress]; | |
| 104 }, | |
| 105 | |
| 106 find: function (aText) { | |
| 107 let result = []; | |
| 108 for each (let o in this.graph) { | |
| 109 if (!o.garbage && o.name.indexOf(aText) >= 0) | |
| 110 result.push(o); | |
| 111 } | |
| 112 return result; | |
| 113 } | |
| 114 }; | |
| 115 | |
| 116 function CCObject() { | |
| 117 this.name = ""; | |
| 118 this.address = null; | |
| 119 this.refcount = 0; | |
| 120 this.gcmarked = false; | |
| 121 this.root = false; | |
| 122 this.garbage = false; | |
| 123 this.knownEdges = 0; | |
| 124 this.edges = []; | |
| 125 this.owners = []; | |
| 126 } |
