우분투 cpu 클럭 조절 설정 변경하기

부팅시에 계속 ondemand로 설정되서 먼가 하고 찾아 봤는데

/etc/init.d/ondemand

라고 파일이 똭 -_-

$ cat /etc/init.d/ondemand

#! /bin/sh ### BEGIN INIT INFO # Provides:          ondemand # Required-Start:    $remote_fs $all # Required-Stop: # Default-Start:     2 3 4 5 # Default-Stop: # Short-Description: Set the CPU Frequency Scaling governor to "ondemand" ### END INIT INFO PATH=/sbin:/usr/sbin:/bin:/usr/bin . /lib/init/vars.sh . /lib/lsb/init-functions case "$1" in     start)         start-stop-daemon --start --background --exec /etc/init.d/ondemand -- background         ;;     background)         sleep 60 # probably enough time for desktop login         for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor         do                 [ -f $CPUFREQ ] || continue                 echo -n ondemand > $CPUFREQ         done         ;;     restart|reload|force-reload)         echo "Error: argument '$1' not supported" >&2         exit 3         ;;     stop)         ;;     *)         echo "Usage: $0 start|stop" >&2         exit 3         ;; esac

$ ls -al /sys/devices/system/cpu/cpu*/cpufreq/ /sys/devices/system/cpu/cpu0/cpufreq/: 합계 0 drwxr-xr-x 4 root root    0 2015-02-12 17:34 . drwxr-xr-x 7 root root    0 2015-02-12 17:32 .. -r--r--r-- 1 root root 4096 2015-02-12 17:43 affected_cpus -r-------- 1 root root 4096 2015-02-12 17:43 cpuinfo_cur_freq -r--r--r-- 1 root root 4096 2015-02-12 17:33 cpuinfo_max_freq -r--r--r-- 1 root root 4096 2015-02-12 17:43 cpuinfo_min_freq -r--r--r-- 1 root root 4096 2015-02-12 17:43 cpuinfo_transition_latency drwxr-xr-x 2 root root    0 2015-02-12 17:43 ondemand -r--r--r-- 1 root root 4096 2015-02-12 17:43 related_cpus -r--r--r-- 1 root root 4096 2015-02-12 17:33 scaling_available_frequencies -r--r--r-- 1 root root 4096 2015-02-12 17:43 scaling_available_governors -r--r--r-- 1 root root 4096 2015-02-12 17:34 scaling_cur_freq -r--r--r-- 1 root root 4096 2015-02-12 17:43 scaling_driver -rw-r--r-- 1 root root 4096 2015-02-12 17:34 scaling_governor -rw-r--r-- 1 root root 4096 2015-02-12 17:33 scaling_max_freq -rw-r--r-- 1 root root 4096 2015-02-12 17:43 scaling_min_freq -rw-r--r-- 1 root root 4096 2015-02-12 17:43 scaling_setspeed drwxr-xr-x 2 root root    0 2015-02-12 17:43 stats

$ cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_available_governors conservative ondemand userspace powersave performance

음.. 깔끔(?) 하게 ondemand파일에서 거버너를 ondemand에서 performance로 해주면 해결?

근데 아무래도 ondemand니까 이름도 바꿔주는게 좋을듯 하다.

[링크 : http://ubuntuforums.org/showthread.php?t=860926]