#!/bin/sh
cpu_usage=$(mpstat 1 1 | awk '/Average:/ {printf("%s\n", $(NF-9))}')

cpu_whole=`printf ${cpu_usage%.*}`

if [[ $cpuwhole -ge 80 ]]
then
    true
    #update var
elif [[ $cpuwhole -ge 70 ]]
then
    true
    #update var
else
    true
    #update var
fi;

echo $cpu_usage