Debian, установка cpu frequency в режим powersave (scaling governor)

Ссылки

• http://wiki.debian.org/HowTo/CpuFrequencyScaling
• http://superuser.com/questions/179329/disable-frequency-scaling-ondemand-daemon-on-ubuntu-10-04

Инструкция

1.

# apt-get install sysfsutils cpufrequtils

2.

# cat > /etc/default/cpufrequtils
GOVERNOR="powersave"

Список доступных вариантов здесь:

cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors

3.

# cat > /etc/sysfs.conf
devices/system/cpu/cpu0/cpufreq/scaling_governor = powersave

4.

# update-rc.d sysfsutils defaults

5.

# reboot

6.

Проверка:

$ cpufreq-info | grep -A3 'current policy'