#!/bin/bash
if [ $UID -ne 0 ]
then
    exec sudo $0 $*
fi

setgovernor()
{
    cat /proc/cpuinfo | sed -n s/"^processor\s*:\s*\([0-9]\+\)$"/"\\1"/p \
        | while read CPU
    do
        echo $1 > /sys/devices/system/cpu/cpu$CPU/cpufreq/scaling_governor
    done
}

if [ "$1" = "userspace" ]
then
    setgovernor "powersave"
fi
setgovernor $1