/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor disappeared on ubuntu 11.10

Posted by Bob on Super User See other posts from Super User or by Bob
Published on 2012-09-22T21:35:06Z Indexed on 2012/09/22 21:40 UTC
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I have an Ubuntu 11.10 server that has been up for 210 days.

I have been frequently doing apt-get upgrade every few weeks, and this time I noticed that my server load average just shot up.

The last time this happened between upgrades, it was because the cpu scaling governor was set to ondemand.

But this time when I tried to list the contents of

/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

the file is missing. There isn't even a cpufreq folder anymore! How do I fix this and ensure there is no cpu scaling going on?

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