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c8cd2f8b6a
This adds a 'ghosts' field to the object returned by Memory.summary. --HG-- extra : rebase_source : 9bef4f795615aad9a98b12be6277124bd88cbcd2
85 lines
2.6 KiB
JavaScript
85 lines
2.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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// Creates a new PageListener for this process. This will listen for page loads
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// and for those that match URLs provided by the parent process will set up
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// a dedicated message port and notify the parent process.
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ChromeUtils.import("resource://gre/modules/RemotePageManager.jsm");
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ChromeUtils.import("resource://gre/modules/Services.jsm");
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const gInContentProcess = Services.appinfo.processType == Ci.nsIXULRuntime.PROCESS_TYPE_CONTENT;
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Services.cpmm.addMessageListener("gmp-plugin-crash", msg => {
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let gmpservice = Cc["@mozilla.org/gecko-media-plugin-service;1"]
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.getService(Ci.mozIGeckoMediaPluginService);
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gmpservice.RunPluginCrashCallbacks(msg.data.pluginID, msg.data.pluginName);
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});
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if (gInContentProcess) {
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let ProcessObserver = {
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TOPICS: [
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"inner-window-destroyed",
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"xpcom-shutdown",
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],
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init() {
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for (let topic of this.TOPICS) {
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Services.obs.addObserver(this, topic);
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Services.cpmm.addMessageListener("Memory:GetSummary", this);
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}
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},
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uninit() {
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for (let topic of this.TOPICS) {
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Services.obs.removeObserver(this, topic);
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Services.cpmm.removeMessageListener("Memory:GetSummary", this);
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}
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},
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receiveMessage(msg) {
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if (msg.name != "Memory:GetSummary") {
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return;
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}
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let pid = Services.appinfo.processID;
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let memMgr = Cc["@mozilla.org/memory-reporter-manager;1"]
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.getService(Ci.nsIMemoryReporterManager);
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let rss = memMgr.resident;
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let uss = memMgr.residentUnique;
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let ghosts = memMgr.ghostWindows;
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Services.cpmm.sendAsyncMessage("Memory:Summary", {
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pid,
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summary: {
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uss,
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rss,
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ghosts,
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}
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});
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},
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observe(subject, topic, data) {
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switch (topic) {
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case "inner-window-destroyed": {
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// Forward inner-window-destroyed notifications with the
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// inner window ID, so that code in the parent that should
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// do something when content windows go away can do it
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let innerWindowID =
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subject.QueryInterface(Ci.nsISupportsPRUint64).data;
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Services.cpmm.sendAsyncMessage("Toolkit:inner-window-destroyed",
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innerWindowID);
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break;
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}
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case "xpcom-shutdown": {
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this.uninit();
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break;
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}
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}
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},
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};
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ProcessObserver.init();
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}
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