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120 lines
3.7 KiB
JavaScript
120 lines
3.7 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* import-globals-from ../performance-controller.js */
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/* import-globals-from ../performance-view.js */
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"use strict";
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/**
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* FlameGraph view containing a pyramid-like visualization of memory allocation
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* sites, controlled by DetailsView.
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*/
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var MemoryFlameGraphView = Heritage.extend(DetailsSubview, {
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shouldUpdateWhileMouseIsActive: true,
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rerenderPrefs: [
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"invert-flame-graph",
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"flatten-tree-recursion",
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"show-idle-blocks"
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],
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/**
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* Sets up the view with event binding.
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*/
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initialize: Task.async(function* () {
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DetailsSubview.initialize.call(this);
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this.graph = new FlameGraph($("#memory-flamegraph-view"));
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this.graph.timelineTickUnits = L10N.getStr("graphs.ms");
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this.graph.setTheme(PerformanceController.getTheme());
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yield this.graph.ready();
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this._onRangeChangeInGraph = this._onRangeChangeInGraph.bind(this);
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this._onThemeChanged = this._onThemeChanged.bind(this);
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PerformanceController.on(EVENTS.THEME_CHANGED, this._onThemeChanged);
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this.graph.on("selecting", this._onRangeChangeInGraph);
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}),
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/**
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* Unbinds events.
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*/
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destroy: Task.async(function* () {
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DetailsSubview.destroy.call(this);
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PerformanceController.off(EVENTS.THEME_CHANGED, this._onThemeChanged);
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this.graph.off("selecting", this._onRangeChangeInGraph);
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yield this.graph.destroy();
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}),
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/**
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* Method for handling all the set up for rendering a new flamegraph.
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*
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* @param object interval [optional]
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* The { startTime, endTime }, in milliseconds.
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*/
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render: function (interval={}) {
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let recording = PerformanceController.getCurrentRecording();
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let duration = recording.getDuration();
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let allocations = recording.getAllocations();
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let thread = RecordingUtils.getProfileThreadFromAllocations(allocations);
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let data = FlameGraphUtils.createFlameGraphDataFromThread(thread, {
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invertStack: PerformanceController.getOption("invert-flame-graph"),
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flattenRecursion: PerformanceController.getOption("flatten-tree-recursion"),
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showIdleBlocks: PerformanceController.getOption("show-idle-blocks") && L10N.getStr("table.idle")
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});
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this.graph.setData({ data,
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bounds: {
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startTime: 0,
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endTime: duration
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},
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visible: {
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startTime: interval.startTime || 0,
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endTime: interval.endTime || duration
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}
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});
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this.emit(EVENTS.MEMORY_FLAMEGRAPH_RENDERED);
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},
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/**
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* Fired when a range is selected or cleared in the FlameGraph.
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*/
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_onRangeChangeInGraph: function () {
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let interval = this.graph.getViewRange();
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// Squelch rerendering this view when we update the range here
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// to avoid recursion, as our FlameGraph handles rerendering itself
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// when originating from within the graph.
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this.requiresUpdateOnRangeChange = false;
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OverviewView.setTimeInterval(interval);
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this.requiresUpdateOnRangeChange = true;
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},
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/**
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* Called whenever a pref is changed and this view needs to be rerendered.
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*/
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_onRerenderPrefChanged: function() {
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let recording = PerformanceController.getCurrentRecording();
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let allocations = recording.getAllocations();
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let thread = RecordingUtils.getProfileThreadFromAllocations(allocations);
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FlameGraphUtils.removeFromCache(thread);
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},
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/**
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* Called when `devtools.theme` changes.
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*/
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_onThemeChanged: function (_, theme) {
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this.graph.setTheme(theme);
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this.graph.refresh({ force: true });
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},
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toString: () => "[object MemoryFlameGraphView]"
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});
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EventEmitter.decorate(MemoryFlameGraphView);
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