How to configure Ubuntu 12.04 Server to dynamically adjust CPU frequency during quiet times?
I've found a set of instructions at http://ubuntuforums.org/showthread.php?t=944190, suggesting to add acpi-cpufreq to /etc/modules, modprobe it, and then put one of (powersave, performance, ondemand, conservative) into the
But on my system, those files don't exist:
user@pc:~$ ls /sys/devices/system/cpu/cpu0/ cache microcode subsystem topology crash_notes power thermal_throttle uevent
There's an empty directory at
user@pc:~$ sudo echo conservative > /sys/devices/system/cpu/cpufreq/scaling_governor
-bash: /sys/devices/system/cpu/cpufreq/scaling_governor: No such file or directory
Intel Atom CPU, if that makes a difference.