Files
app/frontend/src/components/Runs/MetricChart.tsx
T

109 lines
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TypeScript

import { useQuery } from "@tanstack/react-query"
import type { HistoryPoint } from "@/client"
import { MAX_SERIES, UplotChart } from "@/components/Common/UplotChart"
import {
Select,
SelectContent,
SelectItem,
SelectTrigger,
SelectValue,
} from "@/components/ui/select"
import { compareQueryOptions, runMetricsQueryOptions, shortId } from "./queries"
/**
* Why a finished run can have nothing to draw.
*
* A cache hit restores what a node returned, not the values it emitted along
* the way, so a run whose training node was reused has a result and no curve.
* Said here rather than left as an empty chart, which reads as a fault.
*/
export const NO_CURVE =
"No curve was recorded. A node restored from the cache replays no emissions, so a run that reused an earlier one draws nothing here — its outputs are still on the result."
/** The metrics one run recorded, in the order they are worth offering. */
export function useMetricNames(runId: string | undefined) {
const { data } = useQuery({
...runMetricsQueryOptions(runId ?? "", ""),
enabled: Boolean(runId),
})
const names = new Set<string>()
for (const point of data ?? []) if (point.name) names.add(point.name)
return [...names]
}
/**
* One metric across one or more runs, drawn on a step axis.
*
* The endpoint answers in the chart widget's own series shape, so comparing
* three curves and showing one are the same call with a different id list.
*/
export function RunMetricChart({
ids,
metric,
refreshMs,
}: {
ids: string[]
metric: string
refreshMs?: number
}) {
const { data, isPending } = useQuery(
compareQueryOptions(ids, metric, refreshMs),
)
const lines = (data?.lines ?? []).slice(0, MAX_SERIES)
const labels = lines.map((line) =>
// The endpoint labels a line with the whole run id, which is too long to
// read in a legend beside four others.
line.label.replace(/^\S+/, (id) => shortId(id)),
)
const plots: HistoryPoint[][] = lines.map((line) =>
(line.points ?? []).map(([step, value]) => ({ ts: step, value })),
)
const drawn = plots.reduce((total, plot) => total + plot.length, 0)
return (
<div className="flex flex-col gap-2">
<UplotChart
labels={labels}
plots={plots}
xTime={false}
yLabel={metric}
pending={isPending}
empty={NO_CURVE}
/>
{drawn > 0 && (data?.lines?.length ?? 0) > MAX_SERIES && (
<p className="text-muted-foreground text-xs">
Showing {MAX_SERIES} of {data?.lines?.length} runs.
</p>
)}
</div>
)
}
/** The metric picker both the detail and the comparison sit under. */
export function MetricPicker({
names,
value,
onChange,
}: {
names: string[]
value: string
onChange: (name: string) => void
}) {
if (names.length === 0) return null
return (
<Select value={value} onValueChange={onChange}>
<SelectTrigger className="h-8 w-56">
<SelectValue placeholder="Metric" />
</SelectTrigger>
<SelectContent>
{names.map((name) => (
<SelectItem key={name} value={name}>
{name}
</SelectItem>
))}
</SelectContent>
</Select>
)
}