#!/usr/bin/env bash
#
# Tell speedshift whether to maximize CPU performance (100) or energy
# efficiency (0).
set -euo pipefail
IFS=$'\n\t'
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

perc=$1
if [ "$perc" -gt 100 ]; then
    perc=100
fi
if [ "$perc" -lt 0 ]; then
    perc=0
fi
epp=$((100 - perc))

sysctl -N dev.hwpstate_intel | grep -E 'dev.hwpstate_intel.[0-9]+.epp' | while read var; do
    sysctl "$var=$epp"
done