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#!/usr/bin/env bash |
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# Get the top CPU-consuming process, excluding kernel threads and this script |
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read -r NAME CPU < <( |
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ps -eo comm,pcpu --sort=-pcpu --no-headers 2>/dev/null | |
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awk '{ |
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# Skip kernel threads (names in brackets) |
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if ($1 ~ /^\[/) next |
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# Skip this script and ps itself |
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if ($1 == "top.sh" || $1 == "ps") next |
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# Output the first matching line and exit |
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print $1, $2 |
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exit |
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}' |
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) |
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if [ -z "$NAME" ]; then |
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echo '{"text": " --", "tooltip": "No process data"}' |
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exit 0 |
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fi |
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# Round CPU to integer |
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CPU=$(printf "%.0f" "$CPU") |
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# Truncate long process names (keep bar readable) |
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if [ ${#NAME} -gt 10 ]; then |
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NAME="${NAME:0:9}…" |
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fi |
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echo "{\"text\": \"<span size='x-large' rise='-1500'></span> $NAME ${CPU}%\", \"tooltip\": \"Top CPU: $NAME — ${CPU}%\"}"
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