27 lines
913 B
Bash
27 lines
913 B
Bash
#!/bin/bash
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# 获取总 Swap（单位 kB）
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total_swap_kb=$(grep SwapTotal /proc/meminfo | awk '{print $2}')
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if [ "$total_swap_kb" -eq 0 ]; then
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echo "系统未启用 Swap"
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exit 1
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fi
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printf "%-8s %-12s %-25s %-12s %-8s\n" "PID" "USER" "PROCESS" "SWAP(MB)" "USAGE%"
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for pid in $(ls /proc | grep -E '^[0-9]+$'); do
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if [ -r /proc/$pid/status ]; then
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swap_kb=$(grep VmSwap /proc/$pid/status 2>/dev/null | awk '{print $2}')
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if [ ! -z "$swap_kb" ] && [ "$swap_kb" -gt 0 ]; then
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user=$(ps -o user= -p $pid 2>/dev/null)
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comm=$(ps -o comm= -p $pid 2>/dev/null)
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swap_mb=$(awk "BEGIN {printf \"%.2f\", $swap_kb/1024}")
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percent=$(awk "BEGIN {printf \"%.2f\", ($swap_kb/$total_swap_kb)*100}")
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printf "%-8s %-12s %-25s %-12s %-8s\n" \
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"$pid" "$user" "$comm" "$swap_mb" "$percent"
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fi
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fi
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done | sort -k4 -nr |