42 lines
1.1 KiB
Bash
42 lines
1.1 KiB
Bash
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#!/bin/bash
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IDLE_TIMEOUT_MINUTES=20
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# Check 1: Any logged-in users?
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if who | grep -qv "tty"; then
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echo "Active user sessions found. Skipping suspend."
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exit 0
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fi
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# Check 2: CPU idle percentage
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CPU_IDLE=$(mpstat 1 1 | tail -n 1 | awk '/:/ {print $12}' | sed 's/,/./g')
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CPU_THRESHOLD=90
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if (( $(echo "$CPU_IDLE < $CPU_THRESHOLD" | bc -l) )); then
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echo "CPU too active. Skipping suspend."
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exit 0
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fi
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if ! command -v nvidia-smi &> /dev/null; then
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echo "nvidia-smi not found, skipping GPU check"
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else
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# Check 3: Is GPU idle?
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GPU_UTIL=$(nvidia-smi --query-gpu=utilization.gpu --format=csv,noheader,nounits | head -n 1)
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GPU_THRESHOLD=10
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if (( GPU_UTIL > GPU_THRESHOLD )); then
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echo "GPU is busy (utilization=${GPU_UTIL}%). Skipping suspend."
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exit 0
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fi
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# Check 4: Is OLLAMA active?
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OLLAMA_ACTIVE=$(nvidia-smi --query-compute-apps=name,used_memory --format=csv,noheader,nounits | grep ollama | wc -l)
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if (( OLLAMA_ACTIVE > 0 )); then
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echo "OLLMAMA is active. Skipping suspend."
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exit 0
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fi
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fi
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echo "System idle. Suspending..."
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shutdown now
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