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Merge pull request #2 from ksckaan1/make-reactive
Make reactive
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,238 @@ | ||
| setTimeout(() => { | ||
| document.querySelector("#splash").classList.add("hidden") | ||
| }, 1500) | ||
|
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| document.addEventListener("alpine:init", () => { | ||
| Alpine.store("table", { | ||
| goroutine_num: {}, | ||
| sys: {}, | ||
| other_sys: {}, | ||
| heap_sys: {}, | ||
| heap_inuse: {}, | ||
| heap_alloc: {}, | ||
| heap_released: {}, | ||
| heap_idle: {}, | ||
| heap_objects: {}, | ||
| mallocs: {}, | ||
| frees: {}, | ||
| gc_sys: {}, | ||
| gc_num: {}, | ||
| gc_num_forced: {}, | ||
| gc_cpu_fraction: 0, | ||
| total_pause: 0, | ||
| last_gc: "None", | ||
| next_gc_byte_target: 0, | ||
| }) | ||
| }) | ||
| const dataset = document.currentScript.dataset | ||
| const cfg = { | ||
| Interval: +dataset.interval, | ||
| ChartBuffer: +dataset.chartBuffer, | ||
| IsGCOn: !!dataset.isGcOn | ||
| } | ||
|
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|
|
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|
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| let isPaused = false | ||
| let showWarning = false | ||
|
|
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| const pause = () => { | ||
| isPaused = true | ||
| } | ||
|
|
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| const resume = () => { | ||
| isPaused = false | ||
| } | ||
|
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| const warningToast = document.getElementById("warning") | ||
|
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| const options = { | ||
| responsive: true, | ||
| maintainAspectRatio: false, | ||
| interaction: { | ||
| intersect: false, | ||
| mode: "nearest" | ||
| }, | ||
| } | ||
|
|
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| const newChart = (chartID, fields) => { | ||
| const ch = new Chart(document.getElementById(chartID), { | ||
| type: 'line', | ||
| data: { | ||
| labels: [], | ||
| datasets: fields.map(fieldName => { | ||
| return { | ||
| label: fieldName, | ||
| data: [], | ||
| borderWidth: 1, | ||
| pointBorderColor: "transparent", | ||
| pointBackgroundColor: "transparent", | ||
| } | ||
| }) | ||
| }, | ||
| options | ||
| }); | ||
| return ch | ||
| } | ||
|
|
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| const addValue = (chart, time, field, value) => { | ||
| const index = chart.data.datasets.findIndex(d => d.label === field) | ||
| if (index === -1) return; | ||
|
|
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| if (chart.data.datasets[index].data.length >= cfg.ChartBuffer) { | ||
| chart.data.datasets[index].data.shift() | ||
| } | ||
|
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| chart.data.datasets[index].data.push(value) | ||
|
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| try { | ||
| const sum = chart.data.datasets[index].data.reduce((a, b) => a + b, 0); | ||
| const avg = (sum / chart.data.datasets[index].data.length) || 0; | ||
|
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| Alpine.store("table")[field] = { | ||
| latest: Number(value), | ||
| min: Math.min(...chart.data.datasets[index].data), | ||
| max: Math.max(...chart.data.datasets[index].data), | ||
| avg: avg | ||
| } | ||
| } catch (err) { | ||
| console.error(err) | ||
| } | ||
| if (chart.data.labels.length != chart.data.datasets[index].data.length) { | ||
| chart.data.labels.push(time) | ||
| } | ||
| } | ||
|
|
||
| const updateGC = (gcCpuFraction, totalPause, lastGc, nextGcByteTarget) => { | ||
| try { | ||
| Alpine.store("table").gc_cpu_fraction = gcCpuFraction | ||
| Alpine.store("table").total_pause = totalPause | ||
| Alpine.store("table").last_gc = formatTime(lastGc) | ||
| Alpine.store("table").next_gc_byte_target = nextGcByteTarget | ||
| } catch (err) { | ||
| console.error(err) | ||
| } | ||
| } | ||
|
|
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| const goroutineChart = newChart("goroutine-chart", [ | ||
| "goroutine_num" | ||
| ]) | ||
|
|
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| const sysChart = newChart("sys-chart", [ | ||
| "sys", | ||
| "other_sys" | ||
| ]) | ||
|
|
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| const heapByteChart = newChart("heap-byte-chart", [ | ||
| "heap_sys", | ||
| "heap_inuse", | ||
| "heap_alloc", | ||
| "heap_released", | ||
| "heap_idle" | ||
| ]) | ||
|
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| const heapCountChart = newChart("heap-count-chart", [ | ||
| "heap_objects", | ||
| "mallocs", | ||
| "frees" | ||
| ]) | ||
|
|
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| let gcByteChart; | ||
| let gcNumChart; | ||
|
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| if (cfg.IsGCOn) { | ||
| gcByteChart = newChart("gc-byte-chart", [ | ||
| "gc_sys" | ||
| ]) | ||
|
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| gcNumChart = newChart("gc-num-chart", [ | ||
| "gc_num", | ||
| "gc_num_forced" | ||
| ]) | ||
| } | ||
|
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| setInterval(async () => { | ||
| if (isPaused) return; | ||
|
|
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| try { | ||
| const resp = await fetch("/debug/stati/info") | ||
| const body = await resp.json() | ||
|
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| const time = new Date().toLocaleTimeString() | ||
|
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| // Goroutine (num) | ||
| addValue(goroutineChart, time, "goroutine_num", body.num_goroutines) | ||
|
|
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| // Sys (byte) | ||
| addValue(sysChart, time, "sys", body.sys) | ||
| addValue(sysChart, time, "other_sys", body.other_sys) | ||
|
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| // Heap (byte) | ||
| addValue(heapByteChart, time, "heap_sys", body.heap_sys) | ||
| addValue(heapByteChart, time, "heap_inuse", body.heap_inuse) | ||
| addValue(heapByteChart, time, "heap_alloc", body.heap_alloc) | ||
| addValue(heapByteChart, time, "heap_released", body.heap_released) | ||
| addValue(heapByteChart, time, "heap_idle", body.heap_idle) | ||
|
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| // Heap (count) | ||
| addValue(heapCountChart, time, "heap_objects", body.heap_objects) | ||
| addValue(heapCountChart, time, "mallocs", body.mallocs) | ||
| addValue(heapCountChart, time, "frees", body.frees) | ||
|
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| if (cfg.IsGCOn) { | ||
| // GC (byte) | ||
| addValue(gcByteChart, time, "gc_sys", body.gc_sys) | ||
|
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| // GC (num) | ||
| addValue(gcNumChart, time, "gc_num", body.num_gc) | ||
| addValue(gcNumChart, time, "gc_num_forced", body.num_forced_gc) | ||
| } | ||
|
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| goroutineChart.update() | ||
| sysChart.update() | ||
| heapByteChart.update() | ||
| heapCountChart.update() | ||
|
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| if (cfg.IsGCOn) { | ||
| gcByteChart.update() | ||
| gcNumChart.update() | ||
| updateGC(body.gc_cpu_fraction, body.pause_total_ns, body.last_gc, body.next_gc) | ||
| } | ||
|
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||
|
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| if (showWarning) { | ||
| showWarning = false | ||
| warningToast.classList.remove("block") | ||
| warningToast.classList.add("hidden") | ||
| } | ||
| } catch (err) { | ||
| console.error(err) | ||
| if (!showWarning) { | ||
| showWarning = true | ||
| warningToast.classList.remove("hidden") | ||
| warningToast.classList.add("block") | ||
| } | ||
| } | ||
| }, cfg.Interval); | ||
|
|
||
| const humanReadable = (bytes) => { | ||
| const units = ["B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"] | ||
|
|
||
| let unitIndex = 0 | ||
| while (bytes >= 1024) { | ||
| bytes /= 1024 | ||
| unitIndex++ | ||
| } | ||
|
|
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| return `${bytes.toFixed(2)} ${units[unitIndex]}` | ||
| } | ||
|
|
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| const formatTime = (time) => { | ||
| if (time.includes("1970")) return "None"; | ||
|
|
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| const ymd = time.split("T")[0] | ||
| const hms = time.split("T")[1] | ||
|
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||
|
|
||
| return `${ymd}<br>${hms}` | ||
| } |
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