#!/bin/bash

if [[ "$1" =~ ^(powersave|performance)$ ]]; then

#echo "$1 is in the list"

n_cpus=`nproc --all`

echo "Found $n_cpus cores"

let upper_limit=$n_cpus-1

#echo $upper_limit

echo "Setting the CPU to \"$1\" mode"


for i in $(seq 0 1 $upper_limit)
do
  `cpufreq-set -c $i -g $1`
done

else
    echo "Usage: ./set_cpu.sh \"governor\". governor should be either \"powesave\" or \"performance\" (without the quotes)"
fi