Initial draft: insights

Author: jungmair

frontend/packages/common/TraceViewer.js

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+import {useEffect, useState} from "react";
+import {Circle, Group, Layer, Line, Rect, Stage, Text} from "react-konva";
+
+
+
+
+
+
+
+
+const baseColors = ['hsl(4, 72%, 63.8%)', 'hsl(340, 65.6%, 57.2%)', 'hsl(291, 51.2%, 46.2%)', 'hsl(262, 41.6%, 51.7%)', 'hsl(231, 38.4%, 52.8%)', 'hsl(207, 72%, 59.4%)', 'hsl(199, 78.4%, 52.8%)', 'hsl(187, 80%, 46.2%)', 'hsl(174, 80%, 31.9%)', 'hsl(122, 31.2%, 53.9%)', 'hsl(88, 40%, 58.3%)', 'hsl(66, 56%, 59.4%)', 'hsl(45, 80%, 56.1%)', 'hsl(36, 80%, 55%)', 'hsl(14, 80%, 62.7%)', 'hsl(16, 20%, 41.8%)', 'hsl(200, 14.4%, 50.6%)', 'hsl(54, 80%, 68.2%)']
+const variantColors = ['hsl(4, 57.6%, 82.94%)', 'hsl(340, 52.48%, 74.36%)', 'hsl(291, 40.96%, 60.06%)', 'hsl(262, 33.28%, 67.21000000000001%)', 'hsl(231, 30.72%, 68.64%)', 'hsl(207, 57.6%, 77.22%)', 'hsl(199, 62.720000000000006%, 68.64%)', 'hsl(187, 64%, 60.06%)', 'hsl(174, 64%, 41.47%)', 'hsl(122, 24.96%, 70.07%)', 'hsl(88, 32%, 75.78999999999999%)', 'hsl(66, 44.8%, 77.22%)', 'hsl(45, 64%, 72.93%)', 'hsl(36, 64%, 71.5%)', 'hsl(14, 64%, 81.51%)', 'hsl(16, 16%, 54.339999999999996%)', 'hsl(200, 11.52%, 65.78%)', 'hsl(54, 64%, 88.66%)']
+
+export const TraceViewer = ({traceData,width, height, onSelect}) => {
+    const [showExecutionOnly, setShowExecutionOnly] = useState(true)
+    const [data, setData] = useState([])
+    let [scaleX, setScaleX] = useState(1);
+    let [timeRange, setTimeRange] = useState([0, 1]);
+    let [initialScaleX, setInitialScaleX] = useState(1)
+    const [maxTime, setMaxTime] = useState(1)
+    const [threads, setThreads] = useState([])
+    const [categoryColors, setCategoryColors] = useState({})
+    const [canvasWidth, setCanvasWidth] = useState(0)
+    const [dataWidth,setDataWidth]= useState(0)
+    useEffect(()=> {
+        if (traceData) {
+            let executionRecord = traceData.filter((d) => d.category === "Execution" && d.name === "run")
+            let filteredData = showExecutionOnly ?  traceData.filter((d) => d.start >= executionRecord[0].start && d.start <= executionRecord[0].start + executionRecord[0].duration) : traceData
+            let analyzedData = filteredData.reduce((acc, d) => {
+                let event = d
+                if (!acc[d.tid]) {
+                    acc[d.tid] = []
+                }
+                for (let i = 0; i < acc[d.tid].length; i++) {
+                    let lastElementInRow = acc[d.tid][i][acc[d.tid][i].length - 1]
+                    let end = lastElementInRow.start + lastElementInRow.duration
+                    if (d.start >= end) {
+                        acc[d.tid][i].push(event)
+                        return acc
+                    }
+                }
+                acc[d.tid].push([event])
+                return acc
+            }, {})
+            let numRows = 0
+            let maxTime = 0
+            let minTime = filteredData.reduce((acc, d) => Math.min(acc, d.start), Infinity)
+            let categoryColors = {}
+            let data = []
+            let threads = []
+            for (let tid in analyzedData) {
+                threads.push({"threadId": tid, "startRow": numRows})
+                for (let row in analyzedData[tid]) {
+                    for (let entryIdx in analyzedData[tid][row]) {
+                        let entry = analyzedData[tid][row][entryIdx]
+                        maxTime = Math.max(maxTime, entry.start + entry.duration - minTime)
+                        if (entry.category) {
+                            if (!categoryColors[entry.category + "::" + entry.name]) {
+                                let idx = Object.keys(categoryColors).length % baseColors.length
+                                categoryColors[entry.category + "::" + entry.name] = baseColors[idx]
+                            }
+                        }
+                        data.push({...entry, start: entry.start - minTime, duration: entry.duration, row: numRows,})
+                    }
+                    numRows++
+                }
+            }
+            setData(data)
+            const newScaleX = dataWidth / maxTime;
+            setScaleX(newScaleX)
+            setInitialScaleX(newScaleX)
+            setTimeRange([0, maxTime])
+            setMaxTime(maxTime)
+            setThreads(threads)
+            setCategoryColors(categoryColors)
+        }
+    },[traceData,showExecutionOnly,dataWidth])
+
+    let offsetY = 20
+    let offsetX = 100
+    let rowOffset = 20;
+    useEffect(() => {
+        setCanvasWidth(width - 20)
+        setDataWidth(width - 20 - offsetX)
+    }, [width]);
+    const [selectedEvent, setSelectedEvent] = useState(null)
+    const selectEvent = (event) => {
+        setSelectedEvent(event)
+        onSelect(event)
+    }
+    const formatExtraText = (d) => {
+        let extra = []
+        for (let prop in d.extra) {
+            extra.push({key: prop, value: d.extra[prop]})
+        }
+        let extraText = extra.map((d, i) => {
+            return `${d.key}: ${d.value}`
+        }).join(", ")
+        return extraText
+    }
+    const handleScroll = (e) => {
+        if (e.evt.ctrlKey) {
+            e.evt.preventDefault();
+            let layerX = e.evt.layerX-offsetX
+            let timePosition = layerX / scaleX + timeRange[0]
+            let factor = e.evt.wheelDelta / 100;
+            let newScaleX = factor > 0 ? scaleX * factor : scaleX / -factor;
+            if (newScaleX < initialScaleX) {
+                setScaleX(initialScaleX)
+                setTimeRange([0, maxTime])
+            } else {
+                let newPositionOfScrolledPoint = (timePosition - timeRange[0]) * newScaleX
+                let diff = layerX - newPositionOfScrolledPoint
+                var newTimeStart = timeRange[0] - diff / newScaleX
+                var newTimeEnd = newTimeStart + dataWidth / newScaleX
+                if (newTimeEnd > maxTime) {
+                    newTimeStart -= newTimeEnd - maxTime
+                    newTimeEnd = maxTime
+                }
+                let newTimeRange = [newTimeStart, newTimeEnd]
+                setScaleX(newScaleX)
+                setTimeRange(newTimeRange)
+            }
+        }
+    }
+
+    const [mouseDownLocation, setMouseDownLocation] = useState(null)
+    const handleMouseDown = (e) => {
+        setMouseDownLocation(e.evt.layerX)
+    }
+    const handleMouseUp = (e) => {
+        if (mouseDownLocation) {
+            let diff = e.evt.layerX - mouseDownLocation;
+            let newTimeStart = timeRange[0] - diff / scaleX
+            let newTimeEnd = newTimeStart + dataWidth / scaleX
+            if (newTimeStart < 0) {
+                newTimeStart = 0
+                newTimeEnd = dataWidth / scaleX
+            }
+            if (newTimeEnd > maxTime) {
+                newTimeStart -= newTimeEnd - maxTime
+                newTimeEnd = maxTime
+            }
+            setTimeRange([newTimeStart, newTimeEnd])
+            setMouseDownLocation(null)
+        }
+    }
+    const handleMouseMove = (e) => {
+        if (mouseDownLocation) {
+            let diff = e.evt.layerX - mouseDownLocation;
+            let newTimeStart = timeRange[0] - diff / scaleX
+            let newTimeEnd = newTimeStart + dataWidth / scaleX
+            if (newTimeStart < 0) {
+                newTimeStart = 0
+                newTimeEnd = dataWidth / scaleX
+            }
+            if (newTimeEnd > maxTime) {
+                newTimeStart -= newTimeEnd - maxTime
+                newTimeEnd = maxTime
+            }
+            setTimeRange([newTimeStart, newTimeEnd])
+            setMouseDownLocation(e.evt.layerX)
+        }
+    }
+    const [rows, setRows] = useState([]);
+
+
+    function roundUpToStepSize(value) {
+        const magnitude = Math.pow(10, Math.floor(Math.log10(value)));  // Find the magnitude of the value
+        const normalized = value / magnitude;  // Normalize the value to the range [1, 10)
+
+        let step;
+        if (normalized <= 1) {
+            step = 1;
+        } else if (normalized <= 2) {
+            step = 2;
+        } else if (normalized <= 5) {
+            step = 5;
+        } else {
+            step = 10;
+        }
+
+        return step * magnitude;
+    }
+
+    const [splitters, setSplitters] = useState([])
+    const [splitterStep, setSplitterStep] = useState(0)
+    useEffect(() => {
+        let numSplitters = dataWidth / 200;
+        let timeDuration = timeRange[1] - timeRange[0]
+        let timeStep = roundUpToStepSize(timeDuration / numSplitters)
+        let firstSplitter = Math.ceil(timeRange[0] / timeStep) * timeStep
+        let newSplitters = []
+        for (let i = firstSplitter; i < timeRange[1]; i += timeStep) {
+            newSplitters.push(i)
+        }
+        setSplitters(newSplitters)
+        setSplitterStep(timeStep)
+
+    }, [timeRange]);
+    const formatTime = (time) => {
+        if (time < 1000) {
+            return `${time} us`
+        } else if (time < 1000000) {
+            return `${time / 1000} ms`
+        } else {
+            return `${time / 1000000} s`
+        }
+    }
+    //useEffect(() => {
+    //    doTest();
+    //}, []);
+    return (
+        <div>
+            <div style={{maxHeight: height-60, overflowY: "auto"}}>
+                <Stage width={canvasWidth} height={window.innerHeight}
+                       onWheel={(e) => handleScroll(e)} onMouseDown={handleMouseDown} onMouseUp={handleMouseUp}
+                       onMouseMove={handleMouseMove}>
+                    <Layer>
+                        {
+                            threads.map((t, i) => <Group>
+                                <Rect x={0} y={offsetY + t.startRow * rowOffset - 2} width={canvasWidth} height={1}
+                                      fill={"black"}></Rect>
+                                <Text x={0} y={offsetY + t.startRow * rowOffset} text={"Thread " + t.threadId}
+                                      fontSize={14} fill={"black"}></Text>
+                            </Group>)
+                        }
+                        {
+                            splitters.map((d, i) => <Group>
+                                <Rect x={offsetX + (d - timeRange[0]) * scaleX} y={0} width={1}
+                                      height={window.innerHeight} fill={"black"}></Rect>
+                                <Text x={offsetX + (d - timeRange[0]) * scaleX} y={0}
+                                      text={`${formatTime(d)}    step: ${formatTime(splitterStep)}`} fontSize={14}
+                                      fill={"black"}></Text>
+                            </Group>)
+
+                        }
+                        {data.map((d, i) => {
+                                let duration = d.duration
+                                if (d.start + duration < timeRange[0] || d.start > timeRange[1]) {
+                                    return null
+                                } else {
+                                    let correctedStart = d.start < timeRange[0] ? 0 : d.start - timeRange[0]
+                                    var correctedDuration = d.start < timeRange[0] ? duration - (timeRange[0] - d.start) : duration
+                                    correctedDuration = d.start + duration > timeRange[1] ? duration - (d.start + duration - timeRange[1]) : correctedDuration
+                                    if (duration == 0) {
+                                        return <Circle x={correctedStart * scaleX+offsetX} y={d.row * rowOffset+offsetY} radius={2} fill={"black"} onClick={()=> selectEvent(d)}></Circle>
+                                    } else {
+                                        let extraText = formatExtraText(d)
+                                        return (<Group onClick={() => selectEvent(d)}>
+                                            <Rect x={offsetX + correctedStart * scaleX} y={offsetY + d.row * rowOffset} height={15}
+                                                  width={correctedDuration * scaleX}
+                                                  fill={d.category=== "Ignore" ? "white":categoryColors[d.category + "::" + d.name]} stroke={"gray"} strokeWidth={0.4}
+                                                  onClick={() => console.log(d)}></Rect>
+
+                                            <Text x={offsetX + correctedStart * scaleX} y={offsetY + d.row * rowOffset}
+                                                  text={`${d.name} (${extraText})`}
+                                                  width={correctedDuration * scaleX} fontSize={14} fill={"white"} wrap={"none"}
+                                                  ellipsis={true}></Text>
+                                            {d.category === "Ignore" &&
+                                                <Group>
+                                                    <Line points={[offsetX + correctedStart * scaleX,offsetY + d.row * rowOffset,offsetX + correctedStart * scaleX+correctedDuration*scaleX,offsetY + d.row * rowOffset+15]} stroke={"red"} strokeWidth={1}></Line>
+                                                    <Line points={[offsetX + correctedStart * scaleX,offsetY + d.row * rowOffset+15,offsetX + correctedStart * scaleX+correctedDuration*scaleX,offsetY + d.row * rowOffset]} stroke={"red"} strokeWidth={1}></Line>
+                                                </Group>
+                                            }
+                                        </Group>)
+                                    }
+                                }
+                            }
+                        )}
+                    </Layer>
+                </Stage>
+            </div>
+            <div>
+                <input type="checkbox" checked={showExecutionOnly} onChange={(e) => setShowExecutionOnly(e.target.checked)}/> Show Execution Only
+                {selectedEvent &&
+                    <div style={{display:"inline"}}><b>Selected Element:</b> Category: {selectedEvent.category} Name: {selectedEvent.name} Duration: {formatTime(selectedEvent.duration)} Metadata: {formatExtraText(selectedEvent)}
+                    </div>
+
+                }
+            </div>
+        </div>
+    );
+}

frontend/packages/insights/.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

frontend/packages/insights/README.md

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+# Getting Started with Create React App
+
+This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+
+## Available Scripts
+
+In the project directory, you can run:
+
+### `npm start`
+
+Runs the app in the development mode.\
+Open [http://localhost:3000](http://localhost:3000) to view it in your browser.
+
+The page will reload when you make changes.\
+You may also see any lint errors in the console.
+
+### `npm test`
+
+Launches the test runner in the interactive watch mode.\
+See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
+
+### `npm run build`
+
+Builds the app for production to the `build` folder.\
+It correctly bundles React in production mode and optimizes the build for the best performance.
+
+The build is minified and the filenames include the hashes.\
+Your app is ready to be deployed!
+
+See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+
+### `npm run eject`
+
+**Note: this is a one-way operation. Once you `eject`, you can't go back!**
+
+If you aren't satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+
+Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you're on your own.
+
+You don't have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn't feel obligated to use this feature. However we understand that this tool wouldn't be useful if you couldn't customize it when you are ready for it.
+
+## Learn More
+
+You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+
+To learn React, check out the [React documentation](https://reactjs.org/).
+
+### Code Splitting
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/code-splitting](https://facebook.github.io/create-react-app/docs/code-splitting)
+
+### Analyzing the Bundle Size
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size](https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size)
+
+### Making a Progressive Web App
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app](https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app)
+
+### Advanced Configuration
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/advanced-configuration](https://facebook.github.io/create-react-app/docs/advanced-configuration)
+
+### Deployment
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/deployment](https://facebook.github.io/create-react-app/docs/deployment)
+
+### `npm run build` fails to minify
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify](https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify)

frontend/packages/insights/config-overrides.js

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+var path = require('path')
+
+const { override, babelInclude } = require('customize-cra')
+
+module.exports = function (config, env) {
+    return Object.assign(
+        config,
+        override(
+            babelInclude([
+                /* transpile (converting to es5) code in src/ and shared component library */
+                path.resolve('src'),
+                path.resolve('../common'),
+            ])
+        )(config, env)
+    )
+}