#!/bin/sh

argi=1

while getopts '5qh' opt; do
	case $opt in
		5) argi=2 ;;
		q) argi=3 ;;
		h) echo "-5 = 5 minutes, -q = a quarter (15 min)"; exit ;;
		\?) exit 1 ;;
	esac
done
shift $((OPTIND-1))

LOADVAL=$(awk "{ print \$$argi; }" < /proc/loadavg)
NUMCPUS=$(getconf _NPROCESSORS_ONLN)
echo "$LOADVAL * 100 / $NUMCPUS" | bc