1 files changed, 45 insertions, 0 deletions
diff --git a/cpufreq b/cpufreq
new file mode 100644
index 0000000..28b40e9
--- /dev/null
+++ b/cpufreq
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+RETVAL=0
+
+start() {
+	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
+}
+
+stop() {
+	# 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
+}
+
+reload() {
+	stop
+	start
+}
+
+case "$1" in
+	start)
+		start
+		;;
+	stop)
+		stop
+		;;
+	reload)
+		reload
+		;;
+	*)
+		echo "Usage: %s {start|stop|reload}" `basename $0`
+		RETVAL=1
+		;;
+esac
+
+exit $RETVAL