toolkit/devtools/server/actors/memory.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 "use strict";
michael@0 6
michael@0 7 const {Cc, Ci, Cu} = require("chrome");
michael@0 8 let protocol = require("devtools/server/protocol");
michael@0 9 let {method, RetVal} = protocol;
michael@0 10
michael@0 11 /**
michael@0 12 * An actor that returns memory usage data for its parent actor's window.
michael@0 13 * A tab-scoped instance of this actor will measure the memory footprint of its
michael@0 14 * parent tab. A global-scoped instance however, will measure the memory
michael@0 15 * footprint of the chrome window referenced by the root actor.
michael@0 16 */
michael@0 17 let MemoryActor = protocol.ActorClass({
michael@0 18 typeName: "memory",
michael@0 19
michael@0 20 initialize: function(conn, tabActor) {
michael@0 21 protocol.Actor.prototype.initialize.call(this, conn);
michael@0 22 this.tabActor = tabActor;
michael@0 23 this._mgr = Cc["@mozilla.org/memory-reporter-manager;1"]
michael@0 24 .getService(Ci.nsIMemoryReporterManager);
michael@0 25 },
michael@0 26
michael@0 27 destroy: function() {
michael@0 28 this._mgr = null;
michael@0 29 protocol.Actor.prototype.destroy.call(this);
michael@0 30 },
michael@0 31
michael@0 32 /**
michael@0 33 * A method that returns a detailed breakdown of the memory consumption of the
michael@0 34 * associated window.
michael@0 35 *
michael@0 36 * @returns object
michael@0 37 */
michael@0 38 measure: method(function() {
michael@0 39 let result = {};
michael@0 40
michael@0 41 let jsObjectsSize = {};
michael@0 42 let jsStringsSize = {};
michael@0 43 let jsOtherSize = {};
michael@0 44 let domSize = {};
michael@0 45 let styleSize = {};
michael@0 46 let otherSize = {};
michael@0 47 let totalSize = {};
michael@0 48 let jsMilliseconds = {};
michael@0 49 let nonJSMilliseconds = {};
michael@0 50
michael@0 51 try {
michael@0 52 this._mgr.sizeOfTab(this.tabActor.window, jsObjectsSize, jsStringsSize, jsOtherSize,
michael@0 53 domSize, styleSize, otherSize, totalSize, jsMilliseconds, nonJSMilliseconds);
michael@0 54 result.total = totalSize.value;
michael@0 55 result.domSize = domSize.value;
michael@0 56 result.styleSize = styleSize.value;
michael@0 57 result.jsObjectsSize = jsObjectsSize.value;
michael@0 58 result.jsStringsSize = jsStringsSize.value;
michael@0 59 result.jsOtherSize = jsOtherSize.value;
michael@0 60 result.otherSize = otherSize.value;
michael@0 61 result.jsMilliseconds = jsMilliseconds.value.toFixed(1);
michael@0 62 result.nonJSMilliseconds = nonJSMilliseconds.value.toFixed(1);
michael@0 63 } catch (e) {
michael@0 64 console.error(e);
michael@0 65 let url = this.tabActor.url;
michael@0 66 console.error("Error getting size of "+url);
michael@0 67 }
michael@0 68
michael@0 69 return result;
michael@0 70 }, {
michael@0 71 request: {},
michael@0 72 response: RetVal("json"),
michael@0 73 })
michael@0 74 });
michael@0 75
michael@0 76 exports.MemoryActor = MemoryActor;
michael@0 77
michael@0 78 exports.MemoryFront = protocol.FrontClass(MemoryActor, {
michael@0 79 initialize: function(client, form) {
michael@0 80 protocol.Front.prototype.initialize.call(this, client, form);
michael@0 81 this.actorID = form.memoryActor;
michael@0 82 client.addActorPool(this);
michael@0 83 this.manage(this);
michael@0 84 }
michael@0 85 });
michael@0 86
michael@0 87 exports.register = function(handle) {
michael@0 88 handle.addGlobalActor(MemoryActor, "memoryActor");
michael@0 89 handle.addTabActor(MemoryActor, "memoryActor");
michael@0 90 };
michael@0 91
michael@0 92 exports.unregister = function(handle) {
michael@0 93 handle.removeGlobalActor(MemoryActor, "memoryActor");
michael@0 94 handle.removeTabActor(MemoryActor, "memoryActor");
michael@0 95 };

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