#!/bin/sh

# Based on the values (1-enable, 0-disable) for these controls,
# sched groups cpu power will be determined for different domains.
# When power savings policy is enabled and under light load conditions,
# scheduler will minimize the physical packages/cpu cores carrying the
# load and thus conserving power

sched_powersave() {
    for pool in mc smp ht; do
	dev="$/sys/devices/system/cpu/sched_${pool}_power_savings"
	[ -w "$dev" ] || continue
	echo $1 > "$dev"
    done
}

case "$1" in
    true)
	echo "**sched policy powersave ON"
	sched_powersave 1
	;;
    false)
	echo "**sched policy powersave OFF"
	sched_powersave 0
	;;
esac

exit 0