2014-10-15 07:46:00 +00:00
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/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
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Cu.import("resource://gre/modules/Task.jsm");
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Cu.import("resource://gre/modules/devtools/Loader.jsm");
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2014-11-25 14:01:00 +00:00
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Cu.import("resource://gre/modules/devtools/Console.jsm");
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2014-12-06 17:08:10 +00:00
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Cu.import("resource:///modules/devtools/ViewHelpers.jsm");
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2014-10-15 07:46:00 +00:00
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devtools.lazyRequireGetter(this, "Services");
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devtools.lazyRequireGetter(this, "promise");
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devtools.lazyRequireGetter(this, "EventEmitter",
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"devtools/toolkit/event-emitter");
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devtools.lazyRequireGetter(this, "DevToolsUtils",
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"devtools/toolkit/DevToolsUtils");
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2014-12-23 16:50:50 +00:00
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2014-11-18 13:37:00 +00:00
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devtools.lazyRequireGetter(this, "L10N",
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"devtools/profiler/global", true);
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2014-12-23 16:50:50 +00:00
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devtools.lazyRequireGetter(this, "PerformanceIO",
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"devtools/performance/io", true);
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2014-12-13 03:31:27 +00:00
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devtools.lazyRequireGetter(this, "MarkersOverview",
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"devtools/timeline/markers-overview", true);
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devtools.lazyRequireGetter(this, "MemoryOverview",
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"devtools/timeline/memory-overview", true);
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2014-12-03 15:36:00 +00:00
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devtools.lazyRequireGetter(this, "Waterfall",
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"devtools/timeline/waterfall", true);
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devtools.lazyRequireGetter(this, "MarkerDetails",
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"devtools/timeline/marker-details", true);
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2014-11-20 12:02:00 +00:00
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devtools.lazyRequireGetter(this, "CallView",
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"devtools/profiler/tree-view", true);
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devtools.lazyRequireGetter(this, "ThreadNode",
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"devtools/profiler/tree-model", true);
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2014-10-15 07:46:00 +00:00
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2014-12-13 03:31:27 +00:00
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devtools.lazyImporter(this, "CanvasGraphUtils",
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"resource:///modules/devtools/Graphs.jsm");
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2014-12-06 17:08:10 +00:00
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devtools.lazyImporter(this, "LineGraphWidget",
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"resource:///modules/devtools/Graphs.jsm");
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// Events emitted by various objects in the panel.
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const EVENTS = {
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// Emitted by the PerformanceView on record button click
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UI_START_RECORDING: "Performance:UI:StartRecording",
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UI_STOP_RECORDING: "Performance:UI:StopRecording",
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// Emitted by the PerformanceView on import or export button click
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UI_IMPORT_RECORDING: "Performance:UI:ImportRecording",
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UI_EXPORT_RECORDING: "Performance:UI:ExportRecording",
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// When a recording is started or stopped via the PerformanceController
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RECORDING_STARTED: "Performance:RecordingStarted",
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RECORDING_STOPPED: "Performance:RecordingStopped",
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// When a recording is imported or exported via the PerformanceController
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RECORDING_IMPORTED: "Performance:RecordingImported",
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RECORDING_EXPORTED: "Performance:RecordingExported",
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// When the PerformanceController has new recording data
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TIMELINE_DATA: "Performance:TimelineData",
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// Emitted by the OverviewView when more data has been rendered
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OVERVIEW_RENDERED: "Performance:UI:OverviewRendered",
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FRAMERATE_GRAPH_RENDERED: "Performance:UI:OverviewFramerateRendered",
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MARKERS_GRAPH_RENDERED: "Performance:UI:OverviewMarkersRendered",
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MEMORY_GRAPH_RENDERED: "Performance:UI:OverviewMemoryRendered",
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2014-11-25 14:01:00 +00:00
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// Emitted by the OverviewView when a range has been selected in the graphs
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OVERVIEW_RANGE_SELECTED: "Performance:UI:OverviewRangeSelected",
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// Emitted by the OverviewView when a selection range has been removed
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OVERVIEW_RANGE_CLEARED: "Performance:UI:OverviewRangeCleared",
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2014-12-03 15:36:00 +00:00
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// Emitted by the DetailsView when a subview is selected
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DETAILS_VIEW_SELECTED: "Performance:UI:DetailsViewSelected",
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2014-11-20 12:02:00 +00:00
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// Emitted by the CallTreeView when a call tree has been rendered
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CALL_TREE_RENDERED: "Performance:UI:CallTreeRendered",
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2014-12-10 16:34:00 +00:00
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// When a source is shown in the JavaScript Debugger at a specific location.
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SOURCE_SHOWN_IN_JS_DEBUGGER: "Performance:UI:SourceShownInJsDebugger",
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SOURCE_NOT_FOUND_IN_JS_DEBUGGER: "Performance:UI:SourceNotFoundInJsDebugger",
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// Emitted by the WaterfallView when it has been rendered
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WATERFALL_RENDERED: "Performance:UI:WaterfallRendered"
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};
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// Constant defining the end time for a recording that hasn't finished
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// or is not yet available.
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const RECORDING_IN_PROGRESS = -1;
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const RECORDING_UNAVAILABLE = null;
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2014-10-15 07:46:00 +00:00
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/**
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* The current target and the profiler connection, set by this tool's host.
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*/
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let gToolbox, gTarget, gFront;
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/**
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* Initializes the profiler controller and views.
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*/
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let startupPerformance = Task.async(function*() {
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yield promise.all([
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PrefObserver.register(),
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PerformanceController.initialize(),
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PerformanceView.initialize()
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]);
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});
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/**
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* Destroys the profiler controller and views.
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*/
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let shutdownPerformance = Task.async(function*() {
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yield promise.all([
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PrefObserver.unregister(),
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PerformanceController.destroy(),
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PerformanceView.destroy()
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]);
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});
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/**
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* Observes pref changes on the devtools.profiler branch and triggers the
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* required frontend modifications.
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*/
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let PrefObserver = {
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register: function() {
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this.branch = Services.prefs.getBranch("devtools.profiler.");
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this.branch.addObserver("", this, false);
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},
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unregister: function() {
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this.branch.removeObserver("", this);
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},
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observe: function(subject, topic, pref) {
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Prefs.refresh();
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}
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};
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/**
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* Functions handling target-related lifetime events and
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* UI interaction.
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*/
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let PerformanceController = {
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/**
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* Permanent storage for the markers and the memory measurements streamed by
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* the backend, along with the start and end timestamps.
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*/
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_localStartTime: RECORDING_UNAVAILABLE,
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_startTime: RECORDING_UNAVAILABLE,
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_endTime: RECORDING_UNAVAILABLE,
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_markers: [],
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_memory: [],
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_ticks: [],
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_profilerData: {},
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/**
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* Listen for events emitted by the current tab target and
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* main UI events.
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*/
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initialize: function() {
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this.startRecording = this.startRecording.bind(this);
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this.stopRecording = this.stopRecording.bind(this);
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this.importRecording = this.importRecording.bind(this);
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this.exportRecording = this.exportRecording.bind(this);
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this._onTimelineData = this._onTimelineData.bind(this);
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PerformanceView.on(EVENTS.UI_START_RECORDING, this.startRecording);
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PerformanceView.on(EVENTS.UI_STOP_RECORDING, this.stopRecording);
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PerformanceView.on(EVENTS.UI_EXPORT_RECORDING, this.exportRecording);
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PerformanceView.on(EVENTS.UI_IMPORT_RECORDING, this.importRecording);
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gFront.on("ticks", this._onTimelineData); // framerate
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gFront.on("markers", this._onTimelineData); // timeline markers
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gFront.on("memory", this._onTimelineData); // timeline memory
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},
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/**
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* Remove events handled by the PerformanceController
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*/
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destroy: function() {
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PerformanceView.off(EVENTS.UI_START_RECORDING, this.startRecording);
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PerformanceView.off(EVENTS.UI_STOP_RECORDING, this.stopRecording);
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PerformanceView.off(EVENTS.UI_EXPORT_RECORDING, this.exportRecording);
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PerformanceView.off(EVENTS.UI_IMPORT_RECORDING, this.importRecording);
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2014-12-03 15:36:00 +00:00
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gFront.off("ticks", this._onTimelineData);
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gFront.off("markers", this._onTimelineData);
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gFront.off("memory", this._onTimelineData);
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},
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/**
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* Starts recording with the PerformanceFront. Emits `EVENTS.RECORDING_STARTED`
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* when the front has started to record.
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*/
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startRecording: Task.async(function *() {
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// Times must come from the actor in order to be self-consistent.
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// However, we also want to update the view with the elapsed time
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// even when the actor is not generating data. To do this we get
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// the local time and use it to compute a reasonable elapsed time.
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this._localStartTime = performance.now();
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let { startTime } = yield gFront.startRecording({
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withTicks: true,
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withMemory: true
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});
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this._startTime = startTime;
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this._endTime = RECORDING_IN_PROGRESS;
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this._markers = [];
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this._memory = [];
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this._ticks = [];
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this.emit(EVENTS.RECORDING_STARTED);
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}),
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/**
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* Stops recording with the PerformanceFront. Emits `EVENTS.RECORDING_STOPPED`
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* when the front has stopped recording.
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*/
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stopRecording: Task.async(function *() {
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let results = yield gFront.stopRecording();
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// If `endTime` is not yielded from timeline actor (< Fx36), fake it.
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if (!results.endTime) {
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results.endTime = this._startTime + this.getLocalElapsedTime();
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}
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this._endTime = results.endTime;
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this._profilerData = results.profilerData;
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this._markers = this._markers.sort((a,b) => (a.start > b.start));
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2014-12-23 16:50:50 +00:00
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this.emit(EVENTS.RECORDING_STOPPED);
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}),
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/**
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* Saves the current recording to a file.
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*
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* @param nsILocalFile file
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* The file to stream the data into.
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*/
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exportRecording: Task.async(function*(_, file) {
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let recordingData = this.getAllData();
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yield PerformanceIO.saveRecordingToFile(recordingData, file);
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this.emit(EVENTS.RECORDING_EXPORTED, recordingData);
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}),
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/**
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* Loads a recording from a file, replacing the current one.
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* XXX: Handle multiple recordings, bug 1111004.
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*
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* @param nsILocalFile file
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* The file to import the data from.
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*/
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importRecording: Task.async(function*(_, file) {
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let recordingData = yield PerformanceIO.loadRecordingFromFile(file);
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this._startTime = recordingData.interval.startTime;
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this._endTime = recordingData.interval.endTime;
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this._markers = recordingData.markers;
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this._memory = recordingData.memory;
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this._ticks = recordingData.ticks;
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this._profilerData = recordingData.profilerData;
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this.emit(EVENTS.RECORDING_IMPORTED, recordingData);
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// Flush the current recording.
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this.emit(EVENTS.RECORDING_STARTED);
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this.emit(EVENTS.RECORDING_STOPPED);
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}),
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/**
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* Gets the amount of time elapsed locally after starting a recording.
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*/
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getLocalElapsedTime: function() {
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return performance.now() - this._localStartTime;
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},
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/**
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* Gets the time interval for the current recording.
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* @return object
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*/
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getInterval: function() {
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let startTime = this._startTime;
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let endTime = this._endTime;
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// Compute an approximate ending time for the current recording. This is
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// needed to ensure that the view updates even when new data is
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// not being generated.
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if (endTime == RECORDING_IN_PROGRESS) {
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endTime = startTime + this.getLocalElapsedTime();
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}
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return { startTime, endTime };
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},
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/**
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* Gets the accumulated markers in the current recording.
|
|
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|
* @return array
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|
|
|
*/
|
|
|
|
getMarkers: function() {
|
|
|
|
return this._markers;
|
|
|
|
},
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Gets the accumulated memory measurements in this recording.
|
|
|
|
* @return array
|
|
|
|
*/
|
|
|
|
getMemory: function() {
|
|
|
|
return this._memory;
|
|
|
|
},
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Gets the accumulated refresh driver ticks in this recording.
|
|
|
|
* @return array
|
|
|
|
*/
|
|
|
|
getTicks: function() {
|
|
|
|
return this._ticks;
|
|
|
|
},
|
|
|
|
|
2014-12-23 16:50:50 +00:00
|
|
|
/**
|
|
|
|
* Gets the profiler data in this recording.
|
|
|
|
* @return array
|
|
|
|
*/
|
|
|
|
getProfilerData: function() {
|
|
|
|
return this._profilerData;
|
|
|
|
},
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Gets all the data in this recording.
|
|
|
|
*/
|
|
|
|
getAllData: function() {
|
|
|
|
let interval = this.getInterval();
|
|
|
|
let markers = this.getMarkers();
|
|
|
|
let memory = this.getMemory();
|
|
|
|
let ticks = this.getTicks();
|
|
|
|
let profilerData = this.getProfilerData();
|
|
|
|
return { interval, markers, memory, ticks, profilerData };
|
|
|
|
},
|
|
|
|
|
2014-12-13 03:31:27 +00:00
|
|
|
/**
|
|
|
|
* Fired whenever the PerformanceFront emits markers, memory or ticks.
|
2014-11-18 13:37:00 +00:00
|
|
|
*/
|
|
|
|
_onTimelineData: function (eventName, ...data) {
|
2014-12-13 03:31:27 +00:00
|
|
|
// Accumulate markers into an array.
|
|
|
|
if (eventName == "markers") {
|
|
|
|
let [markers] = data;
|
|
|
|
Array.prototype.push.apply(this._markers, markers);
|
|
|
|
}
|
|
|
|
// Accumulate memory measurements into an array.
|
|
|
|
else if (eventName == "memory") {
|
|
|
|
let [delta, measurement] = data;
|
|
|
|
this._memory.push({ delta, value: measurement.total / 1024 / 1024 });
|
|
|
|
}
|
|
|
|
// Save the accumulated refresh driver ticks.
|
|
|
|
else if (eventName == "ticks") {
|
|
|
|
let [delta, timestamps] = data;
|
|
|
|
this._ticks = timestamps;
|
|
|
|
}
|
|
|
|
|
2014-11-18 13:37:00 +00:00
|
|
|
this.emit(EVENTS.TIMELINE_DATA, eventName, ...data);
|
|
|
|
}
|
2014-10-15 07:46:00 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
2014-10-30 11:35:00 +00:00
|
|
|
* Convenient way of emitting events from the controller.
|
2014-10-15 07:46:00 +00:00
|
|
|
*/
|
2014-10-30 11:35:00 +00:00
|
|
|
EventEmitter.decorate(PerformanceController);
|
2014-10-15 07:46:00 +00:00
|
|
|
|
|
|
|
/**
|
2014-10-30 11:35:00 +00:00
|
|
|
* Shortcuts for accessing various profiler preferences.
|
2014-10-15 07:46:00 +00:00
|
|
|
*/
|
2014-10-30 11:35:00 +00:00
|
|
|
const Prefs = new ViewHelpers.Prefs("devtools.profiler", {
|
2014-11-20 12:02:00 +00:00
|
|
|
showPlatformData: ["Bool", "ui.show-platform-data"]
|
2014-10-30 11:35:00 +00:00
|
|
|
});
|
2014-10-15 07:46:00 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* DOM query helpers.
|
|
|
|
*/
|
|
|
|
function $(selector, target = document) {
|
|
|
|
return target.querySelector(selector);
|
|
|
|
}
|
|
|
|
function $$(selector, target = document) {
|
|
|
|
return target.querySelectorAll(selector);
|
|
|
|
}
|