this script read the core(s) temperature using lm sensors then calculate the average and send it to the ganglia using gmetric

gmetric-cpu-temp.sh

#!/bin/sh
# this script read the core(s) temperature using lm sensors then calculate the average
# and send it to the ganglia using gmetric
# Based on the original from: http://computational.engineering.or.id/LM_Sensors#Integrasi_Dengan_Ganglia
# assumes that the lines reported by lm sensors are formated like this
# Core 0:      +48.0°C  (high = +90.0°C, crit = +100.0°C)

SENSORS=/usr/bin/sensors
GMETRIC=/usr/bin/gmetric

let count=0
sum=0.0
for temp in $($SENSORS | grep "^Core" | grep -e '+.*C' | cut -f 2 -d '+' | cut -f 1 -d ' ' | sed 's/°C//'); do
    sum=$(echo $sum+$temp | bc)
    # echo $temp, $sum
    let count+=1
done
temp=$(echo "$sum/$count" | bc)
$GMETRIC -t float -n "cpu_temp" -u "Celcius" -v $temp