mirror of
https://github.com/jlfwong/speedscope.git
synced 2024-11-30 03:15:25 +03:00
405 lines
12 KiB
TypeScript
405 lines
12 KiB
TypeScript
import {h} from 'preact'
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import {StyleSheet, css} from 'aphrodite'
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import {ReloadableComponent} from './reloadable'
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import {importFromBGFlameGraph} from './import/bg-flamegraph'
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import {importFromStackprof} from './import/stackprof'
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import {importFromChromeTimeline, importFromChromeCPUProfile} from './import/chrome'
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import {Profile, Frame} from './profile'
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import {Flamechart} from './flamechart'
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import { FlamechartView } from './flamechart-view'
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import { FontFamily, FontSize, Colors } from './style'
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import { FrameColorGenerator } from './color'
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const enum SortOrder {
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CHRONO,
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LEFT_HEAVY
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}
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interface ApplicationState {
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profile: Profile | null
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flamechart: Flamechart | null
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sortedFlamechart: Flamechart | null
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sortOrder: SortOrder
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loading: boolean
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}
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interface ToolbarProps extends ApplicationState {
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setSortOrder(order: SortOrder): void
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}
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function importProfile(contents: string, fileName: string): Profile | null {
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try {
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// First pass: Check known file format names to infer the file type
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if (fileName.endsWith('.cpuprofile')) {
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console.log('Importing as Chrome CPU Profile')
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return importFromChromeCPUProfile(JSON.parse(contents))
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} else if (fileName.endsWith('.chrome.json') || /Profile-\d{8}T\d{6}/.exec(fileName)) {
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console.log('Importing as Chrome Timeline')
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return importFromChromeTimeline(JSON.parse(contents))
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} else if (fileName.endsWith('.stackprof.json')) {
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console.log('Importing as stackprof profile')
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return importFromStackprof(JSON.parse(contents))
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} else if (fileName.endsWith('.txt')) {
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console.log('Importing as collapsed stack format')
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return importFromBGFlameGraph(contents)
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}
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// Second pass: Try to guess what file format it is based on structure
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try {
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const parsed = JSON.parse(contents)
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if (Array.isArray(parsed) && parsed[parsed.length - 1].name === "CpuProfile") {
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console.log('Importing as Chrome CPU Profile')
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return importFromChromeTimeline(parsed)
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} else if ('nodes' in parsed && 'samples' in parsed && 'timeDeltas' in parsed) {
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console.log('Importing as Chrome Timeline')
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return importFromChromeCPUProfile(parsed)
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} else if ('mode' in parsed && 'frames' in parsed) {
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console.log('Importing as stackprof profile')
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return importFromStackprof(parsed)
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}
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} catch (e) {
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// Format is not JSON
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// If every line ends with a space followed by a number, it's probably
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// the collapsed stack format.
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const lineCount = contents.split(/\n/).length
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if (lineCount > 1 && lineCount === contents.split(/ \d+\n/).length) {
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console.log('Importing as collapsed stack format')
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return importFromBGFlameGraph(contents)
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}
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}
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return null
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} catch (e) {
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console.error(e)
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return null
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}
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}
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export class Toolbar extends ReloadableComponent<ToolbarProps, void> {
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setTimeOrder = () => {
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this.props.setSortOrder(SortOrder.CHRONO)
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}
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setLeftHeavyOrder = () => {
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this.props.setSortOrder(SortOrder.LEFT_HEAVY)
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}
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render() {
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const help = (
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<div className={css(style.toolbarTab)}>
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<a href="https://github.com/jlfwong/speedscope#usage" className={css(style.noLinkStyle)} target="_blank">
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<span className={css(style.emoji)}>❓</span>Help
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</a>
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</div>
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)
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if (!this.props.profile) {
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return <div className={css(style.toolbar)}>
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<div className={css(style.toolbarLeft)}>{help}</div>
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🔬speedscope
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</div>
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}
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return <div className={css(style.toolbar)}>
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<div className={css(style.toolbarLeft)}>
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<div className={css(style.toolbarTab, this.props.sortOrder === SortOrder.CHRONO && style.toolbarTabActive)} onClick={this.setTimeOrder}>
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<span className={css(style.emoji)}>🕰</span>Time Order
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</div>
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<div className={css(style.toolbarTab, this.props.sortOrder === SortOrder.LEFT_HEAVY && style.toolbarTabActive)} onClick={this.setLeftHeavyOrder}>
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<span className={css(style.emoji)}>⬅️</span>Left Heavy
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</div>
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{help}
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</div>
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{this.props.profile.getName()}
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<div className={css(style.toolbarRight)}>🔬speedscope</div>
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</div>
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}
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}
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export class Application extends ReloadableComponent<{}, ApplicationState> {
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constructor() {
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super()
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this.state = {
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loading: false,
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profile: null,
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flamechart: null,
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sortedFlamechart: null,
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sortOrder: SortOrder.CHRONO
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}
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}
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loadFromString(fileName: string, contents: string) {
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console.time('import')
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const profile = importProfile(contents, fileName)
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if (profile == null) {
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this.setState({ loading: false })
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// TODO(jlfwong): Make this a nicer overlay
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alert('Unrecognized format! See documentation about supported formats.')
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return
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}
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profile.setName(fileName)
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document.title = `${fileName} - speedscope`
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const frames: Frame[] = []
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profile.forEachFrame(f => frames.push(f))
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const colorGenerator = new FrameColorGenerator(frames)
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const flamechart = new Flamechart({
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getTotalWeight: profile.getTotalWeight.bind(profile),
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forEachCall: profile.forEachCall.bind(profile),
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formatValue: profile.formatValue.bind(profile),
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getColorForFrame: colorGenerator.getColorForFrame.bind(colorGenerator)
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})
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const sortedFlamechart = new Flamechart({
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getTotalWeight: profile.getTotalNonIdleWeight.bind(profile),
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forEachCall: profile.forEachCallGrouped.bind(profile),
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formatValue: profile.formatValue.bind(profile),
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getColorForFrame: colorGenerator.getColorForFrame.bind(colorGenerator)
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})
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console.timeEnd('import')
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console.time('first setState')
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this.setState({ profile, flamechart, sortedFlamechart, loading: false }, () => {
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console.timeEnd('first setState')
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})
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}
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loadFromFile(file: File) {
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this.setState({ loading: true }, () => {
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requestAnimationFrame(() => {
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const reader = new FileReader
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reader.addEventListener('loadend', () => {
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this.loadFromString(file.name, reader.result)
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})
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reader.readAsText(file)
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})
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})
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}
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loadExample = () => {
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this.setState({ loading: true })
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fetch('dist/perf-vertx-stacks-01-collapsed-all.txt').then(resp => resp.text()).then(data => {
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this.loadFromString('perf-vertx-stacks-01-collapsed-all.txt', data)
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})
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}
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onDrop = (ev: DragEvent) => {
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this.loadFromFile(ev.dataTransfer.files.item(0))
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ev.preventDefault()
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}
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onDragOver = (ev: DragEvent) => {
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ev.preventDefault()
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}
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onWindowKeyPress = (ev: KeyboardEvent) => {
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if (ev.key === '1') {
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this.setState({
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sortOrder: SortOrder.CHRONO
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})
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} else if (ev.key === '2') {
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this.setState({
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sortOrder: SortOrder.LEFT_HEAVY
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})
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}
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}
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componentDidMount() {
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window.addEventListener('keypress', this.onWindowKeyPress)
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}
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componentWillUnmount() {
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window.removeEventListener('keypress', this.onWindowKeyPress)
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}
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flamechartView: FlamechartView | null
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flamechartRef = (view: FlamechartView | null) => this.flamechartView = view
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subcomponents() {
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return {
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flamechart: this.flamechartView
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}
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}
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onFileSelect = (ev: Event) => {
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this.loadFromFile((ev.target as HTMLInputElement).files!.item(0))
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}
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renderLanding() {
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return <div className={css(style.landingContainer)}>
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<div className={css(style.landingMessage)}>
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<p className={css(style.landingP)}>👋 Hi there! Welcome to 🔬speedscope, an interactive{' '}
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<a className={css(style.link)} href="http://www.brendangregg.com/FlameGraphs/cpuflamegraphs.html">flamegraph</a> visualizer.
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Use it to help you make your software faster.</p>
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<p className={css(style.landingP)}>Drag and drop a profile file onto this window to get started,
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click the big blue button below to browse for a profile to explore, or{' '}
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<a className={css(style.link)} onClick={this.loadExample}>click here</a>{' '}
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to load an example profile.</p>
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<div className={css(style.browseButtonContainer)}>
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<input type="file" name="file" id="file" onChange={this.onFileSelect} className={css(style.hide)} />
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<label for="file" className={css(style.browseButton)}>Browse</label>
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</div>
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<p className={css(style.landingP)}>See the <a className={css(style.link)}
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href="https://github.com/jlfwong/speedscope#usage" target="_blank">documentation</a> for
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information about supported file formats, keyboard shortcuts, and how
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to navigate around the profile.</p>
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<p className={css(style.landingP)}>speedscope is open source.
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Please <a className={css(style.link)} target="_blank" href="https://github.com/jlfwong/speedscope/issues">report any issues on GitHub</a>.</p>
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</div>
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</div>
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}
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renderLoadingBar() {
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return <div className={css(style.loading)}></div>
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}
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setSortOrder = (sortOrder: SortOrder) => {
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this.setState({ sortOrder })
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}
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render() {
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const {flamechart, sortedFlamechart, sortOrder, loading} = this.state
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const flamechartToView = sortOrder == SortOrder.CHRONO ? flamechart : sortedFlamechart
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return <div onDrop={this.onDrop} onDragOver={this.onDragOver} className={css(style.root)}>
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<Toolbar setSortOrder={this.setSortOrder} {...this.state} />
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{loading ?
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this.renderLoadingBar() :
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flamechartToView ?
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<FlamechartView ref={this.flamechartRef} flamechart={flamechartToView} /> :
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this.renderLanding()}
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</div>
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}
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}
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const style = StyleSheet.create({
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loading: {
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height: 3,
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marginBottom: -3,
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background: Colors.DARK_BLUE,
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transformOrigin: '0% 50%',
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animationName: [{
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from: {
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transform: `scaleX(0)`
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},
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to: {
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transform: `scaleX(1)`
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}
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}],
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animationTimingFunction: "cubic-bezier(0, 1, 0, 1)",
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animationDuration: "30s"
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},
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root: {
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width: '100vw',
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height: '100vh',
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overflow: 'hidden',
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display: 'flex',
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flexDirection: 'column',
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position: 'relative',
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fontFamily: FontFamily.MONOSPACE,
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lineHeight: '20px'
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},
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landingContainer: {
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display: 'flex',
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alignItems: 'center',
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justifyContent: 'center',
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flex: 1
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},
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landingMessage: {
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maxWidth: 600
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},
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landingP: {
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marginBottom: 16
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},
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hide: {
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display: 'none'
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},
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browseButtonContainer: {
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display: 'flex',
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alignItems: 'center',
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justifyContent: 'center'
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},
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browseButton: {
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marginBottom: 16,
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height: 72,
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flex: 1,
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maxWidth: 256,
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textAlign: 'center',
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fontSize: FontSize.BIG_BUTTON,
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lineHeight: '72px',
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background: Colors.DARK_BLUE,
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color: 'white',
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cursor: 'pointer'
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},
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link: {
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color: Colors.LIGHT_BLUE,
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cursor: 'pointer',
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textDecoration: 'none'
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},
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toolbar: {
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height: 18,
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background: 'black',
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color: 'white',
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textAlign: 'center',
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fontFamily: FontFamily.MONOSPACE,
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fontSize: FontSize.TITLE,
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lineHeight: '18px',
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userSelect: 'none'
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},
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toolbarLeft: {
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position: 'absolute',
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height: 18,
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overflow: 'hidden',
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top: 0,
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left: 0,
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marginRight: 2,
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textAlign: 'left',
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},
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toolbarRight: {
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height: 18,
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overflow: 'hidden',
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position: 'absolute',
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top: 0,
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right: 0,
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marginRight: 2,
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textAlign: 'right',
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},
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toolbarTab: {
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background: Colors.DARK_GRAY,
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marginTop: 2,
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height: 16,
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lineHeight: '16px',
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paddingLeft: 2,
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paddingRight: 8,
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display: 'inline-block',
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marginLeft: 2,
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':hover': {
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background: Colors.GRAY,
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cursor: 'pointer'
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}
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},
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toolbarTabActive: {
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background: Colors.LIGHT_BLUE,
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':hover': {
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background: Colors.LIGHT_BLUE
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}
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},
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noLinkStyle: {
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textDecoration: 'none',
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color: 'inherit'
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},
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emoji: {
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display: 'inline-block',
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verticalAlign: 'middle',
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paddingTop: '0px',
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marginRight: '0.3em'
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}
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})
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