import { RefreshIcon } from "~/components/ui/refresh-icon"; import { ActivityIcon, AlertTriangleIcon, BatteryIcon, ChevronDownIcon, ChevronRightIcon, CpuIcon, DatabaseIcon, GaugeIcon, HardDriveIcon, MemoryStickIcon, } from "lucide-react"; import type { BackgroundBooleanState, ResourceAttributionEntry, ResourceTelemetryAggregate, ResourceTelemetryHistoryBucket, ResourceTelemetryIoSemantics, ResourceTelemetryProcess, ResourceTelemetryProcessCategory, ResourceTelemetryProcessSummary, ResourceTelemetrySourceHealth, ResourceTelemetrySourceStatus, ServerProcessSignal, } from "@t3tools/contracts"; import * as DateTime from "effect/DateTime"; import * as Option from "effect/Option"; import { useCallback, useMemo, useRef, useState, type ReactNode } from "react"; import { isAtomCommandInterrupted, squashAtomCommandFailure, } from "@t3tools/client-runtime/state/runtime"; import { useResourceTelemetry, useResourceTelemetryHistory, } from "../../lib/resourceTelemetryState"; import { cn } from "../../lib/utils"; import { ensureLocalApi } from "../../localApi"; import { usePrimaryEnvironment } from "../../state/environments"; import { serverEnvironment } from "../../state/server"; import { useAtomCommand } from "../../state/use-atom-command"; import { formatRelativeTime } from "../../timestampFormat"; import { Button } from "../ui/button"; import { ScrollArea } from "../ui/scroll-area"; import { Toggle, ToggleGroup } from "../ui/toggle-group"; import { Tooltip, TooltipPopup, TooltipTrigger } from "../ui/tooltip"; import { toastManager } from "../ui/toast"; import { resourceHistoryBarHeight, resourceHistoryCpuScaleMax, shouldShowResourceMonitorRetry, visibleResourceTelemetryProcesses, } from "./ResourceTelemetryDiagnostics.logic"; import { SettingsSection, useRelativeTimeTick } from "./settingsLayout"; const HISTORY_WINDOWS = [ { label: "5m", windowMs: 5 * 60_000, bucketMs: 15_000 }, { label: "15m", windowMs: 15 * 60_000, bucketMs: 30_000 }, { label: "30m", windowMs: 30 * 60_000, bucketMs: 60_000 }, { label: "1h", windowMs: 60 * 60_000, bucketMs: 2 * 60_000 }, ] as const; function formatBytes(value: number): string { if (value < 1_024) return `${Math.round(value)} B`; const units = ["KB", "MB", "GB", "TB"] as const; let next = value; let unitIndex = -1; do { next /= 1_024; unitIndex += 1; } while (next >= 1_024 && unitIndex < units.length - 1); return `${next.toFixed(next >= 100 ? 0 : next >= 10 ? 1 : 2)} ${units[unitIndex]}`; } function formatRate(value: number): string { return `${formatBytes(value)}/s`; } function formatCpuTime(valueMs: number): string { const seconds = valueMs / 1_000; if (seconds < 60) return `${seconds.toFixed(seconds >= 10 ? 1 : 2)}s`; const minutes = seconds / 60; if (minutes < 60) return `${minutes.toFixed(minutes >= 10 ? 1 : 2)}m`; return `${(minutes / 60).toFixed(2)}h`; } function formatDurationMicros(value: number): string { if (value < 1_000) return `${Math.round(value)} µs`; if (value < 1_000_000) return `${(value / 1_000).toFixed(2)} ms`; return `${(value / 1_000_000).toFixed(2)} s`; } function formatSampleInterval(valueMs: number): string { if (valueMs < 1_000) return `${Math.max(0, Math.round(valueMs))} ms`; const seconds = valueMs / 1_000; return `${seconds.toLocaleString(undefined, { maximumFractionDigits: 1 })} ${ seconds === 1 ? "second" : "seconds" }`; } function processIdentityKey(process: ResourceTelemetryProcess): string { return `${process.identity.pid}:${process.identity.startTimeMs}`; } function processSummaryIdentityKey(process: ResourceTelemetryProcessSummary): string { return `${process.identity.pid}:${process.identity.startTimeMs}`; } function formatProcessName(process: Pick): string { if (process.name.trim()) return process.name; const firstToken = process.command.trim().split(/\s+/)[0] ?? process.command; const normalized = firstToken.replace(/^['"]|['"]$/g, ""); return normalized.split(/[\\/]/).findLast((segment) => segment.length > 0) ?? normalized; } function categoryLabel(category: ResourceTelemetryProcessCategory): string { switch (category) { case "server": return "Server"; case "server-child": return "Backend child"; case "provider-root": return "Provider"; case "terminal-root": return "Terminal"; case "electron-main": return "Electron main"; case "electron-renderer": return "Renderer"; case "electron-gpu": return "GPU"; case "electron-utility": return "Electron utility"; case "resource-monitor": return "Monitor"; case "unknown-t3": return "T3 process"; } } function categoryDotClass(category: ResourceTelemetryProcessCategory): string { if (category === "resource-monitor") return "bg-amber-500"; if (category.startsWith("electron-")) return "bg-sky-500"; if (category === "server") return "bg-violet-500"; return "bg-emerald-500"; } function ioSemanticsLabel(semantics: ResourceTelemetryIoSemantics): string { switch (semantics) { case "storage": return "Storage bytes"; case "logical": return "Logical bytes"; case "all-io": return "All I/O bytes"; case "unavailable": return "Unavailable"; } } function booleanStateLabel( value: BackgroundBooleanState, labels: { readonly true: string; readonly false: string }, ): string { if (value === "true") return labels.true; if (value === "false") return labels.false; return "Unknown"; } function sourceStatusTone(status: ResourceTelemetrySourceStatus): "default" | "warning" | "danger" { if (status === "healthy") return "default"; if (status === "starting" || status === "degraded") return "warning"; return "danger"; } function SourceStatusBadge({ label, status, presentation, }: { label: string; status: ResourceTelemetrySourceStatus; presentation?: | { readonly label: string; readonly tone: "neutral"; } | undefined; }) { const tone = presentation?.tone ?? sourceStatusTone(status); return ( {label} {presentation?.label ?? status} ); } function LastSampleLabel({ sampledAt }: { sampledAt: DateTime.Utc | null }) { useRelativeTimeTick(); if (!sampledAt) { return Waiting for sample; } const relative = formatRelativeTime(DateTime.formatIso(sampledAt)); if (!relative) { return Waiting for sample; } return ( Updated {relative.value} {relative.suffix ? ` ${relative.suffix}` : ""} ); } function IconStat({ icon, label, value, detail, tone = "default", }: { icon: ReactNode; label: string; value: string; detail?: string | undefined; tone?: "default" | "warning" | "danger"; }) { return (
{icon} {label}
{value}
{detail ? (
{detail}
) : null}
); } function AggregateCard({ label, accentClass, aggregate, }: { label: string; accentClass: string; aggregate: ResourceTelemetryAggregate; }) { return (
{label}
{aggregate.processCount} {aggregate.processCount === 1 ? "process" : "processes"}
); } function MetricPair({ label, value }: { label: string; value: string }) { return (
{label}
{value}
); } function HealthSource({ label, health }: { label: string; health: ResourceTelemetrySourceHealth }) { const expectedInBrowser = health.status === "unavailable" && Option.exists(health.lastError, (error) => error.includes("'web' mode")); return (
{label}
{expectedInBrowser ? "Available when this page runs inside the desktop app." : Option.match(health.lastError, { onNone: () => "No reported errors", onSome: (error) => error, })}
); } function DetailRow({ label, value, valueClassName, }: { label: string; value: ReactNode; valueClassName?: string | undefined; }) { return (
{label} {value}
); } function HistoryWindowSelector({ selectedWindowMs, onSelect, }: { selectedWindowMs: number; onSelect: (windowMs: number) => void; }) { return ( { const selected = HISTORY_WINDOWS.find((option) => String(option.windowMs) === next[0]); if (selected) onSelect(selected.windowMs); }} > {HISTORY_WINDOWS.map((option) => ( {option.label} ))} ); } function ResourceHistoryChart({ buckets, }: { buckets: ReadonlyArray; }) { const maxCpu = resourceHistoryCpuScaleMax(buckets); const maxIo = Math.max(1, ...buckets.map((bucket) => bucket.ioReadBytes + bucket.ioWriteBytes)); return (
CPU average I/O reads I/O writes
{buckets.map((bucket) => { const cpuHeight = resourceHistoryBarHeight({ value: bucket.avgCpuPercent, max: maxCpu, minimumVisiblePercent: 2, }); const readHeight = resourceHistoryBarHeight({ value: bucket.ioReadBytes, max: maxIo, minimumVisiblePercent: 1, }); const writeHeight = resourceHistoryBarHeight({ value: bucket.ioWriteBytes, max: maxIo, minimumVisiblePercent: 1, }); return (
} />
CPU avg {bucket.avgCpuPercent.toFixed(1)}%
CPU peak {bucket.maxCpuPercent.toFixed(1)}%
Read {formatBytes(bucket.ioReadBytes)}
Write {formatBytes(bucket.ioWriteBytes)}
 ); })}
); } function ProcessTreeName({ process, collapsed, onToggle, }: { process: ResourceTelemetryProcess; collapsed: boolean; onToggle: (process: ResourceTelemetryProcess) => void; }) { const name = formatProcessName(process); const hasChildren = process.childPids.length > 0; const ChevronIcon = collapsed ? ChevronRightIcon : ChevronDownIcon; return (
{hasChildren ? ( ) : ( )} {name}} /> {process.command || process.name}
); } function canSignalProcess(process: ResourceTelemetryProcess): boolean { return ( process.category === "server-child" || process.category === "provider-root" || process.category === "terminal-root" ); } function ProcessActions({ process, signalingKeys, onSignal, }: { process: ResourceTelemetryProcess; signalingKeys: ReadonlySet; onSignal: (process: ResourceTelemetryProcess, signal: ServerProcessSignal) => void; }) { if (!canSignalProcess(process)) { return —; } const isSignaling = signalingKeys.has(processIdentityKey(process)); return (
); } function ProcessTable({ processes, signalingKeys, onSignal, }: { processes: ReadonlyArray; signalingKeys: ReadonlySet; onSignal: (process: ResourceTelemetryProcess, signal: ServerProcessSignal) => void; }) { const [collapsed, setCollapsed] = useState>(() => new Set()); const visible = useMemo( () => visibleResourceTelemetryProcesses(processes, collapsed), [collapsed, processes], ); const toggle = useCallback((process: ResourceTelemetryProcess) => { const identityKey = processIdentityKey(process); setCollapsed((current) => { const next = new Set(current); if (next.has(identityKey)) { next.delete(identityKey); } else { next.add(identityKey); } return next; }); }, []); return ( {visible.length === 0 ? ( ) : null} {visible.map((process) => ( ))}
Process Category CPU CPU Time Memory Read/s Write/s Read Total Write Total PID Kill
Waiting for the native process monitor.
{categoryLabel(process.category)} {process.cpuPercent.toFixed(1)}% {formatCpuTime(process.cpuTimeMs)} {formatBytes(process.residentBytes)} {formatRate(process.ioReadBytesPerSecond)} {formatRate(process.ioWriteBytesPerSecond)} {formatBytes(process.ioReadBytes)} {formatBytes(process.ioWriteBytes)}} /> {ioSemanticsLabel(process.ioSemantics)} {process.identity.pid}
); } function HistoryProcessTable({ processes, }: { processes: ReadonlyArray; }) { return ( {processes.length === 0 ? ( ) : null} {processes.map((process) => ( ))}
Process Category CPU Time Peak CPU Peak Mem Read Write Samples PID
No retained process samples in this window.
{process.name || process.command} } /> {process.command || process.name} {categoryLabel(process.category)} {formatCpuTime(process.cpuTimeMs)} {process.maxCpuPercent.toFixed(1)}% {formatBytes(process.peakRssBytes)} {formatBytes(process.ioReadBytes)} {formatBytes(process.ioWriteBytes)} {process.sampleCount} {process.identity.pid}
); } function AttributionTable({ entries }: { entries: ReadonlyArray }) { return (
{entries.length === 0 ? ( ) : null} {entries.map((entry) => ( ))}
Component Operation Logical Read Logical Write Count Time
No instrumented application I/O has been recorded yet.
{entry.component} {entry.operation} {formatBytes(entry.logicalReadBytes)} {formatBytes(entry.logicalWriteBytes)} {entry.count} {(entry.durationMs / 1_000).toFixed(2)}s
); } export function ResourceTelemetryDiagnostics() { const [windowMs, setWindowMs] = useState(15 * 60_000); const selectedWindow = HISTORY_WINDOWS.find((option) => option.windowMs === windowMs) ?? HISTORY_WINDOWS[1]; const telemetry = useResourceTelemetry(); const retryTelemetry = telemetry.retry; const history = useResourceTelemetryHistory({ windowMs: selectedWindow.windowMs, bucketMs: selectedWindow.bucketMs, }); const primaryEnvironment = usePrimaryEnvironment(); const signalServerProcess = useAtomCommand(serverEnvironment.signalProcess, { reportFailure: false, }); const [signalingKeys, setSignalingKeys] = useState>(() => new Set()); const signalingKeysRef = useRef>(new Set()); signalingKeysRef.current = signalingKeys; const primaryEnvironmentIdRef = useRef(primaryEnvironment?.environmentId); primaryEnvironmentIdRef.current = primaryEnvironment?.environmentId; const [isRetrying, setIsRetrying] = useState(false); const snapshot = telemetry.data; const allT3 = snapshot?.groups.allT3; const signalProcess = useCallback( async (process: ResourceTelemetryProcess, signal: ServerProcessSignal) => { const identityKey = processIdentityKey(process); if (signalingKeysRef.current.has(identityKey)) return; const nextSignalingKeys = new Set(signalingKeysRef.current).add(identityKey); signalingKeysRef.current = nextSignalingKeys; setSignalingKeys(nextSignalingKeys); const clearSignaling = () => { const next = new Set(signalingKeysRef.current); next.delete(identityKey); signalingKeysRef.current = next; setSignalingKeys(next); }; if (signal === "SIGKILL") { let confirmed = false; try { confirmed = await ensureLocalApi().dialogs.confirm( `Send SIGKILL to process ${process.identity.pid}? This cannot be handled by the process.`, { variant: "destructive" }, ); } catch (error) { clearSignaling(); toastManager.add({ type: "error", title: "Could not confirm signal", description: error instanceof Error ? error.message : `Failed to send ${signal}.`, }); return; } if (!confirmed) { clearSignaling(); return; } } const environmentId = primaryEnvironmentIdRef.current; if (environmentId === undefined) { clearSignaling(); return; } void signalServerProcess({ environmentId, input: { pid: process.identity.pid, startTimeMs: process.identity.startTimeMs, signal, }, }) .then((result) => { if (result._tag === "Failure") { if (isAtomCommandInterrupted(result)) return; throw squashAtomCommandFailure(result); } if (result.value.signaled) return; toastManager.add({ type: "error", title: `Could not send ${signal}`, description: Option.getOrElse( result.value.message, () => `Failed to send ${signal} to process ${process.identity.pid}.`, ), }); }) .catch((error: unknown) => { toastManager.add({ type: "error", title: `Could not send ${signal}`, description: error instanceof Error ? error.message : `Failed to send ${signal}.`, }); }) .finally(() => { clearSignaling(); }); }, [signalServerProcess], ); const retryCollector = useCallback(() => { setIsRetrying(true); void retryTelemetry() .catch((error: unknown) => { toastManager.add({ type: "error", title: "Could not restart resource monitor", description: error instanceof Error ? error.message : "The resource monitor retry failed.", }); }) .finally(() => { setIsRetrying(false); }); }, [retryTelemetry]); const speedLimit = snapshot ? Option.getOrNull(snapshot.speedLimitPercent) : null; const collectorNeedsRetry = shouldShowResourceMonitorRetry({ nativeStatus: snapshot?.health.native.status ?? null, error: telemetry.error, }); const hasHostPowerSignal = snapshot !== null && (snapshot.power.onBattery !== "unknown" || snapshot.power.lowPowerMode !== "unknown" || snapshot.power.idle !== "unknown" || snapshot.power.locked !== "unknown" || snapshot.power.thermalState !== "unknown"); return ( <> } headerAction={
{snapshot ? ( ) : null} } /> Refresh telemetry snapshot
} >
T3 system footprint

Live native counters for the server, providers, terminals, desktop processes, and the monitor itself.

Sampling every {snapshot ? formatSampleInterval(snapshot.sampleIntervalMs) : "..."}
} label="Current CPU" value={allT3 ? `${allT3.currentCpuPercent.toFixed(1)}%` : "..."} detail={allT3 ? `${formatCpuTime(allT3.cpuTimeMs)} observed CPU time` : undefined} /> } label="Resident memory" value={allT3 ? formatBytes(allT3.currentRssBytes) : "..."} detail={ allT3 ? `${formatBytes(allT3.peakRssBytes)} combined process peaks` : undefined } /> } label="Process count" value={allT3 ? String(allT3.processCount) : "..."} detail={ allT3 ? `${allT3.processStarts} starts · ${allT3.processExits} exits` : undefined } /> } label="Read throughput" value={allT3 ? formatRate(allT3.ioReadBytesPerSecond) : "..."} detail={allT3 ? `${formatBytes(allT3.ioReadBytes)} observed` : undefined} /> } label="Write throughput" value={allT3 ? formatRate(allT3.ioWriteBytesPerSecond) : "..."} detail={allT3 ? `${formatBytes(allT3.ioWriteBytes)} observed` : undefined} tone={ allT3 && allT3.ioWriteBytesPerSecond >= 10 * 1_024 * 1_024 ? "danger" : allT3 && allT3.ioWriteBytesPerSecond >= 1_024 * 1_024 ? "warning" : "default" } /> } label="CPU speed limit" value={ snapshot ? (speedLimit === null ? "Unknown" : `${speedLimit.toFixed(0)}%`) : "..." } detail={snapshot ? `${snapshot.power.thermalState} thermal state` : undefined} tone={speedLimit !== null && speedLimit < 80 ? "warning" : "default"} />
{telemetry.error ? (
{telemetry.error}
) : null} {snapshot ? (
) : null}
} headerAction={ collectorNeedsRetry ? ( ) : null } >
Host state
{hasHostPowerSignal && snapshot ? ( <> ) : (
Desktop host signals not connected

Power, idle, lock, and thermal state are supplied by the desktop host. Process telemetry remains fully active in this browser session.

)}
Collection health
{snapshot ? ( <> 0 ? "text-amber-600 dark:text-amber-300" : undefined } /> "Unavailable", onSome: (version) => `${version}${Option.match(snapshot.health.sidecarPid, { onNone: () => "", onSome: (pid) => ` · PID ${pid}`, })}`, })} /> ) : (
Waiting for collector health.
)}
} headerAction={
} >
{history.error ? (
{history.error}
) : null}
} headerAction={ snapshot ? ( Identity: PID + start time ) : null } >
} headerAction={ Logical bytes by operation } >
Native counters identify which process is reading or writing. These application-level counters identify known T3 operations so process spikes can be correlated with specific persistence and logging paths.
); }