machine_setup/ansible/roles/cpu/files/cpu_set_perf_perc_freebsd

21 lines
432 B
Bash

#!/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