speedscope/application.tsx
2018-01-07 18:36:23 -08:00

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import {h} from 'preact'
import {StyleSheet, css} from 'aphrodite'
import {ReloadableComponent} from './reloadable'
import {importFromBGFlameGraph} from './import/bg-flamegraph'
import {importFromStackprof} from './import/stackprof'
import {importFromChrome} from './import/chrome'
import {Profile, Frame} from './profile'
import {Flamechart} from './flamechart'
import { FlamechartView } from './flamechart-view'
import { FontFamily, FontSize, Colors } from './style'
import { FrameColorGenerator } from './color'
const enum SortOrder {
CHRONO,
LEFT_HEAVY
}
interface ApplicationState {
profile: Profile | null
flamechart: Flamechart | null
sortedFlamechart: Flamechart | null
sortOrder: SortOrder
}
interface ToolbarProps extends ApplicationState {
setSortOrder(order: SortOrder): void
}
export class Toolbar extends ReloadableComponent<ToolbarProps, void> {
setTimeOrder = () => {
this.props.setSortOrder(SortOrder.CHRONO)
}
setLeftHeavyOrder = () => {
this.props.setSortOrder(SortOrder.LEFT_HEAVY)
}
render() {
const help = (
<div className={css(style.toolbarTab)}>
<a href="https://github.com/jlfwong/speedscope#usage" className={css(style.noLinkStyle)} target="_blank">
<span className={css(style.emoji)}></span>Help
</a>
</div>
)
if (!this.props.profile) {
return <div className={css(style.toolbar)}>
<div className={css(style.toolbarLeft)}>{help}</div>
🔬speedscope
</div>
}
return <div className={css(style.toolbar)}>
<div className={css(style.toolbarLeft)}>
<div className={css(style.toolbarTab, this.props.sortOrder === SortOrder.CHRONO && style.toolbarTabActive)} onClick={this.setTimeOrder}>
<span className={css(style.emoji)}>🕰</span>Time Order
</div>
<div className={css(style.toolbarTab, this.props.sortOrder === SortOrder.LEFT_HEAVY && style.toolbarTabActive)} onClick={this.setLeftHeavyOrder}>
<span className={css(style.emoji)}></span>Left Heavy
</div>
{help}
</div>
{this.props.profile.getName()}
<div className={css(style.toolbarRight)}>🔬speedscope</div>
</div>
}
}
export class Application extends ReloadableComponent<{}, ApplicationState> {
constructor() {
super()
this.state = {
profile: null,
flamechart: null,
sortedFlamechart: null,
sortOrder: SortOrder.CHRONO
}
}
importJSON(parsed: any): Profile {
if (Array.isArray(parsed) && parsed[parsed.length - 1].name === "CpuProfile") {
return importFromChrome(parsed)
} else {
return importFromStackprof(parsed)
}
}
loadFromString(fileName: string, contents: string) {
console.time('import')
const profile = fileName.endsWith('json') ? this.importJSON(JSON.parse(contents)) : importFromBGFlameGraph(contents)
profile.setName(fileName)
document.title = `${fileName} - speedscope`
const frames: Frame[] = []
profile.forEachFrame(f => frames.push(f))
const colorGenerator = new FrameColorGenerator(frames)
const flamechart = new Flamechart({
getTotalWeight: profile.getTotalWeight.bind(profile),
forEachCall: profile.forEachCall.bind(profile),
formatValue: profile.formatValue.bind(profile),
getColorForFrame: colorGenerator.getColorForFrame.bind(colorGenerator)
})
const sortedFlamechart = new Flamechart({
getTotalWeight: profile.getTotalNonIdleWeight.bind(profile),
forEachCall: profile.forEachCallGrouped.bind(profile),
formatValue: profile.formatValue.bind(profile),
getColorForFrame: colorGenerator.getColorForFrame.bind(colorGenerator)
})
this.setState({ profile, flamechart, sortedFlamechart }, () => {
console.timeEnd('import')
})
}
loadFromFile(file: File) {
const reader = new FileReader
reader.addEventListener('loadend', () => {
this.loadFromString(file.name, reader.result)
})
reader.readAsText(file)
}
loadExample = () => {
fetch('dist/perf-vertx-stacks-01-collapsed-all.txt').then(resp => resp.text()).then(data => {
this.loadFromString('perf-vertx-stacks-01-collapsed-all.txt', data)
})
}
onDrop = (ev: DragEvent) => {
this.loadFromFile(ev.dataTransfer.files.item(0))
ev.preventDefault()
}
onDragOver = (ev: DragEvent) => {
ev.preventDefault()
}
onWindowKeyPress = (ev: KeyboardEvent) => {
if (ev.key === '1') {
this.setState({
sortOrder: SortOrder.CHRONO
})
} else if (ev.key === '2') {
this.setState({
sortOrder: SortOrder.LEFT_HEAVY
})
}
}
componentDidMount() {
window.addEventListener('keypress', this.onWindowKeyPress)
}
componentWillUnmount() {
window.removeEventListener('keypress', this.onWindowKeyPress)
}
flamechartView: FlamechartView | null
flamechartRef = (view: FlamechartView | null) => this.flamechartView = view
subcomponents() {
return {
flamechart: this.flamechartView
}
}
onFileSelect = (ev: Event) => {
this.loadFromFile((ev.target as HTMLInputElement).files!.item(0))
}
renderLanding() {
return <div className={css(style.landingContainer)}>
<div className={css(style.landingMessage)}>
<p className={css(style.landingP)}>👋 Hi there! Welcome to 🔬speedscope.</p>
<p className={css(style.landingP)}>Drag and drop a profile file onto this window to get started,
click the big blue button below to browse for a profile to explore, or{' '}
<a className={css(style.link)} onClick={this.loadExample}>click here</a>{' '}
to load an example profile.</p>
<div className={css(style.browseButtonContainer)}>
<input type="file" name="file" id="file" onChange={this.onFileSelect} className={css(style.hide)} />
<label for="file" className={css(style.browseButton)}>Browse</label>
</div>
<p className={css(style.landingP)}>See the <a className={css(style.link)}
href="https://github.com/jlfwong/speedscope#usage" target="_blank">documentation</a> for
information about supported file formats, keyboard shortcuts, and how
to navigate around the profile.</p>
<p className={css(style.landingP)}>speedscope is open source.
Please <a className={css(style.link)} target="_blank" href="https://github.com/jlfwong/speedscope/issues">report any issues on GitHub</a>.</p>
</div>
</div>
}
setSortOrder = (sortOrder: SortOrder) => {
this.setState({ sortOrder })
}
render() {
const {flamechart, sortedFlamechart, sortOrder} = this.state
const flamechartToView = sortOrder == SortOrder.CHRONO ? flamechart : sortedFlamechart
return <div onDrop={this.onDrop} onDragOver={this.onDragOver} className={css(style.root)}>
<Toolbar setSortOrder={this.setSortOrder} {...this.state} />
{flamechartToView ?
<FlamechartView ref={this.flamechartRef} flamechart={flamechartToView} /> :
this.renderLanding()}
</div>
}
}
const style = StyleSheet.create({
root: {
width: '100vw',
height: '100vh',
overflow: 'hidden',
display: 'flex',
flexDirection: 'column',
position: 'relative',
fontFamily: FontFamily.MONOSPACE
},
landingContainer: {
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
flex: 1
},
landingMessage: {
maxWidth: 600
},
landingP: {
marginBottom: 16
},
hide: {
display: 'none'
},
browseButtonContainer: {
display: 'flex',
alignItems: 'center',
justifyContent: 'center'
},
browseButton: {
marginBottom: 16,
height: 72,
flex: 1,
maxWidth: 256,
textAlign: 'center',
fontSize: FontSize.BIG_BUTTON,
lineHeight: '72px',
background: Colors.DARK_BLUE,
color: 'white',
cursor: 'pointer'
},
link: {
color: Colors.LIGHT_BLUE,
cursor: 'pointer',
textDecoration: 'none'
},
toolbar: {
height: 18,
background: 'black',
color: 'white',
textAlign: 'center',
fontFamily: FontFamily.MONOSPACE,
fontSize: FontSize.TITLE,
lineHeight: '18px',
userSelect: 'none'
},
toolbarLeft: {
position: 'absolute',
height: 18,
overflow: 'hidden',
top: 0,
left: 0,
marginRight: 2,
textAlign: 'left',
},
toolbarRight: {
height: 18,
overflow: 'hidden',
position: 'absolute',
top: 0,
right: 0,
marginRight: 2,
textAlign: 'right',
},
toolbarTab: {
background: Colors.DARK_GRAY,
marginTop: 2,
height: 16,
lineHeight: '16px',
paddingLeft: 2,
paddingRight: 8,
display: 'inline-block',
marginLeft: 2,
':hover': {
background: Colors.GRAY,
cursor: 'pointer'
}
},
toolbarTabActive: {
background: Colors.LIGHT_BLUE,
':hover': {
background: Colors.LIGHT_BLUE
}
},
noLinkStyle: {
textDecoration: 'none',
color: 'inherit'
},
emoji: {
display: 'inline-block',
verticalAlign: 'middle',
paddingTop: '0px',
marginRight: '0.3em'
}
})