blob: 28b40e9573457ee1574602ae9a76a08538e3da54 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
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
|
