#!/bin/bash

sudo apt-get -y install cpufrequtils

cpufreq-set -g performance
cpufreq-set -c 0 -g performance
cpufreq-set -c 1 -g performance
cpufreq-set -c 2 -g performance
cpufreq-set -c 3 -g performance
cpufreq-set -c 4 -g performance
cpufreq-set -c 5 -g performance 
cpufreq-set -c 6 -g performance
cpufreq-set -c 7 -g performance

sleep 0.5
cpufreq-info | grep 'frequency is'
sleep 1.5