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#!/bin/bash
#
### BEGIN INIT INFO
# Provides: cpufreq
# Default-Start: 2 3 4 5
# Short-Description: Set CPU frequency settings
# Description: Set CPU frequency settings
### END INIT INFO
# Source function library.
. /etc/rc.d/init.d/functions
RETVAL=0
start() {
gprintf "Setting CPU frequency settings: "
touch /var/lock/subsys/cpufreq
test -f /etc/sysconfig/cpufreq && . /etc/sysconfig/cpufreq
for cpu in /sys/devices/system/cpu/* ; do
[ "x$GOVERNOR" != "x" ] && [ -f $cpu/cpufreq/scaling_governor ] && echo $GOVERNOR > $cpu/cpufreq/scaling_governor
[ "x$MAX_FREQ" != "x" ] && [ -f $cpu/cpufreq/scaling_max_freq ] && echo $MAX_FREQ > $cpu/cpufreq/scaling_max_freq
[ "x$MIN_FREQ" != "x" ] && [ -f $cpu/cpufreq/scaling_min_freq ] && echo $MIN_FREQ > $cpu/cpufreq/scaling_min_freq
done
success
echo
}
real_stop() {
gprintf "Resetting CPU frequency settings: "
# make sure no governor module is in use first
# by switching to userspace governor (because it's built-in and won't modify frequency)
for cpu in /sys/devices/system/cpu/* ; do
[ -f $cpu/cpufreq/scaling_governor ] && echo userspace > $cpu/cpufreq/scaling_governor
done
rm -f /var/lock/subsys/cpufreq
success
echo
}
restart() {
real_stop
start
}
case "$1" in
start)
start
;;
stop)
;;
restart|reload)
restart
;;
condrestart)
if [ -f /var/lock/subsys/cpufreq ]; then
restart
fi
;;
status)
[ -f /var/lock/subsys/cpufreq ]
RETVAL=$?
;;
*)
gprintf "Usage: %s {start|stop|restart|condrestart|status}\n" `basename $0`
RETVAL=1
;;
esac
exit $RETVAL
|
