#!/bin/bash

cpu="$1"

# determine actual governor
actual_gov=`cpupower -c $cpu frequency-info -p | tail -n 1 | sed 's/.*\ //'`

# determine available governors
avail_gov=`cpupower -c $cpu frequency-info -g | tail -n 1`

avail_gov1=`echo $avail_gov | sed "s/.*$actual_gov//"`
avail_gov2=`echo $avail_gov | sed "s/$actual_gov.*//"`
avail_gov=`echo "$avail_gov1 $avail_gov2" | sed "s/^\ //"`
next_gov=`echo $avail_gov | sed "s/\ .*//"`

cpupower -c $cpu frequency-set -g $next_gov

