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gpu_monitor.ps1

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+# Get GPU info from nvidia-smi
+$gpuInfo = & nvidia-smi --query-gpu=utilization.gpu,memory.used,temperature.gpu --format=csv,noheader,nounits
+
+if (-not $gpuInfo) {
+    Write-Error "No data returned from nvidia-smi"
+    exit 1
+}
+
+# If multiple GPUs exist, take the first line
+$line = ($gpuInfo | Select-Object -First 1).Trim()
+$fields = $line -split '\s*,\s*'
+
+if ($fields.Count -lt 3) {
+    Write-Error "Unexpected nvidia-smi output: $line"
+    exit 1
+}
+
+$gpuUtil = [int]$fields[0]
+$memUsed = [int]$fields[1]
+$tempGpu = [int]$fields[2]
+
+# Build XML for PRTG HTTP Push Data Advanced sensor
+$xml = @"
+<prtg>
+<result>
+<channel>GPU Utilization</channel>
+<value>$gpuUtil</value>
+<unit>Percent</unit>
+</result>
+<result>
+<channel>Memory Used</channel>
+<value>$memUsed</value>
+<unit>Custom</unit>
+<customunit>MB</customunit>
+</result>
+<result>
+<channel>GPU Temperature</channel>
+<value>$tempGpu</value>
+<unit>Temperature</unit>
+</result>
+<text>GPU OK - Utilization $gpuUtil%, Memory $memUsed MB, Temp $tempGpu C</text>
+</prtg>
+"@
+
+# Advanced sensor endpoint
+$url = "http://PRTG_IP:5050/TOKEN?content="
+
+Invoke-WebRequest -UseBasicParsing `
+    -Uri $url `
+    -Method POST `
+    -Body $xml `
+    -ContentType "application/xml"