29 lines
1.1 KiB
Text
29 lines
1.1 KiB
Text
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# Hottest core across every thermal zone and hwmon sensor lm-sensors knows
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# about. Reading the hottest rather than an average is deliberate: one core
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# throttling is a real problem that an average hides.
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local threshold={{ healthcheck_cpu_temp_threshold }}
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local hottest=0 label=""
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while read -r t; do
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[ -z "$t" ] && continue
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t=${t%.*}
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if [ "$t" -gt "$hottest" ]; then hottest=$t; fi
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done < <(sensors -u 2>/dev/null | awk '/_input:/ && /temp/ {print $2}')
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# Fall back to the kernel thermal zones if lm-sensors reports nothing.
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if [ "$hottest" -eq 0 ]; then
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for z in /sys/class/thermal/thermal_zone*/temp; do
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[ -r "$z" ] || continue
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local milli; milli=$(cat "$z" 2>/dev/null) || continue
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local c=$((milli / 1000))
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if [ "$c" -gt "$hottest" ]; then hottest=$c; label=$(cat "${z%/temp}/type" 2>/dev/null); fi
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done
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fi
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if [ "$hottest" -eq 0 ]; then
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MESSAGE="no temperature sensors readable"
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return 1
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fi
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MESSAGE="${hottest}C${label:+ (${label})}"
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[ "$hottest" -lt "$threshold" ]
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