cpuspeed usage

Satish Balay balay at fastmail.fm
Tue Jun 8 15:59:28 UTC 2004

>>> ls -l /sys/devices/system/cpu/cpu0/cpufreq
>> This directory does not exist on my FC1 machine. What is it supposed
>> to be for?

This is a 2.6 kernel/FC2 thingy. With FC1 - you have to manually load
the 'driver' for the CPU you have.  For Pentium-M - I do:

modprobe speedstep-centrino

And for userland controller - I install cpudyn from


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