It looks like /etc/init.d/ondemand doesn't have any support for the
performance governor at all. On systems that only have "performance" and
"powersave" the only thing /etc/init.d/ondemand will do is set the
governor to powersave.
I'll file the appropriate bug against the initscripts package.
--
Looking at the kernel CPUFreq Governors documentation[1], It looks like
powersave is actually a pretty poor default value for many applications,
but especially servers.
I'm not sure about low-power applications like laptops, and how power
usage is affected by frequency on other architectures.
Per
Public bug reported:
This was encountered while running "do-release-upgrade" on precise,
going up to trusty.
ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-85-generic 3.13.0-85.129
ProcVersionSignature: Ubuntu 3.2.0-97.137-generic 3.2.73
Uname: Linux 3.2.0-97-generic
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