Cloudkick plugin for reporting CPU usage of processes based on their name

cpu.sh

#!/bin/bash
# reports the combined cpu usage across all processes that include $1 in their name
N=0
LINES=$(ps -eo pcpu,args | grep $1)
while read -r LINE; do
  C=$(echo $LINE | cut -d" " -f1)
  N=$(echo "$N+$C" | bc)
done <<< "$LINES"
echo "status ok ok"
echo "metric cpu float $N"