#!/bin/bash
if [ -z "$*" ]; then cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor; exit; fi
test="$(sudo sh -c "echo $@ >/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" 2>&1)"
if [ "$test" != "" ]; then
    echo "$test"
    exit 1
fi
sudo sh -c "for core in \$(seq 1 \"\$((\$(getconf _NPROCESSORS_ONLN) - 1))\"); do
    echo $@ >/sys/devices/system/cpu/cpu\$core/cpufreq/scaling_governor
done"