54e680f284
One owner for "may heavy GPU work start": numbers-only samples (full-screen
state, sustained 3D use, host free VRAM) in, { inUse, since, checkedAt,
probeOk } out; fail closed at start and when the probe goes stale.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
20 lines
1.2 KiB
PowerShell
20 lines
1.2 KiB
PowerShell
# One sample line per interval: {"quns":n,"freeMiB":n,"util3d":n}. Numbers only; no process identity is read.
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param([int]$ParentPid, [int]$IntervalMs = 15000)
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$ErrorActionPreference = 'Stop'
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Add-Type -Namespace Vili -Name Shell -MemberDefinition '[DllImport("shell32.dll")] public static extern int SHQueryUserNotificationState(out int state);'
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while ($true) {
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$clock = [Diagnostics.Stopwatch]::StartNew()
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if (-not (Get-Process -Id $ParentPid -ErrorAction SilentlyContinue)) { exit }
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try {
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$quns = 0
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if ([Vili.Shell]::SHQueryUserNotificationState([ref]$quns) -ne 0) { throw 'quns' }
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$free = nvidia-smi.exe --query-gpu=memory.free --format=csv,noheader,nounits | Select-Object -First 1
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if ($LASTEXITCODE -ne 0) { throw 'smi' }
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$sum = (Get-Counter '\GPU Engine(*engtype_3D)\Utilization Percentage' -SampleInterval 1 -MaxSamples 1).CounterSamples | Measure-Object -Property CookedValue -Sum
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$line = [ordered]@{ quns = [int]$quns; freeMiB = [int]$free; util3d = [math]::Min(100, [math]::Round([double]$sum.Sum, 1)) } | ConvertTo-Json -Compress
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[Console]::Out.WriteLine($line)
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[Console]::Out.Flush()
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} catch { }
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$rest = $IntervalMs - $clock.ElapsedMilliseconds
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if ($rest -gt 0) { Start-Sleep -Milliseconds $rest }
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}
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