mirror of
https://github.com/samjage/weather-and-stats.git
synced 2026-06-06 00:20:42 +00:00
58 lines
1.9 KiB
Bash
58 lines
1.9 KiB
Bash
#!/bin/bash
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# CPU temp via hwmon (same source as btop)
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# Looks for coretemp (Intel), k10temp/zenpower (AMD), cpu-thermal (ARM)
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CTEMP=-1
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for hwmon in /sys/class/hwmon/hwmon*/; do
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name=$(cat "${hwmon}name" 2>/dev/null)
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if [[ "$name" == "coretemp" || "$name" == "k10temp" || "$name" == "zenpower" || "$name" == "cpu-thermal" ]]; then
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# Prefer Package/Tctl label, otherwise take temp1
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for label_file in "${hwmon}"temp*_label; do
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label=$(cat "$label_file" 2>/dev/null)
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if [[ "$label" == "Package"* || "$label" == "Tctl" || "$label" == "Tccd"* ]]; then
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val=$(cat "${label_file/_label/_input}" 2>/dev/null)
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if [ -n "$val" ] && [ "$val" -gt 0 ]; then CTEMP=$(( val / 1000 )); break 2; fi
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fi
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done
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val=$(cat "${hwmon}temp1_input" 2>/dev/null)
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if [ -n "$val" ] && [ "$val" -gt 0 ]; then CTEMP=$(( val / 1000 )); break; fi
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fi
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done
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# Fallback: highest thermal_zone reading
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if [ "$CTEMP" -lt 0 ]; then
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best=$(cat /sys/class/thermal/thermal_zone*/temp 2>/dev/null | sort -rn | head -1)
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[ -n "$best" ] && CTEMP=$(( best / 1000 ))
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fi
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# Memory usage %
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MEM=$(free | awk '/Mem:/{print int($3/$2*100)}')
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# Auto-detect most active network interface (excluding loopback)
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IFACE=$(awk 'NR>2{gsub(/:$/,"",$1); if($1!="lo") print $1, ($2+0)+($10+0)}' /proc/net/dev \
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| sort -k2 -rn | awk 'NR==1{print $1}')
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[ -z "$IFACE" ] && IFACE="lo"
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# Helper functions for sampling
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get_cpu() { awk 'NR==1{t=0; for(i=2;i<=NF;i++) t+=$i; print t, $5+$6}' /proc/stat; }
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get_net() { awk -v d="$IFACE:" '$1==d{print $2, $10}' /proc/net/dev; }
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# First samples
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read T1 I1 < <(get_cpu)
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read R1 X1 < <(get_net)
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sleep 1
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# Second samples
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read T2 I2 < <(get_cpu)
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read R2 X2 < <(get_net)
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# CPU usage %
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DT=$(( T2 - T1 ))
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CPU=$(( DT > 0 ? (100 * (DT - (I2 - I1))) / DT : 0 ))
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# Network KB/s
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DOWN=$(( (R2 - R1) / 1024 ))
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UP=$(( (X2 - X1) / 1024 ))
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echo "$CTEMP $CPU $MEM $DOWN $UP"
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