diff options
| -rw-r--r-- | cpufreq.init | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/cpufreq.init b/cpufreq.init new file mode 100644 index 0000000..e3a1a8f --- /dev/null +++ b/cpufreq.init @@ -0,0 +1,69 @@ +#!/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 |