Hi,
I have quite a few low-end development/test servers running
continuously and I would like to better manage their power
consumption.
I have found interesting information on how to perform CPU scaling
(e.g. [1] or [2]).
But I cannot find if there is a way to (software) monitor power
consumption on CentOS (or other such data like CPU temperature, fan
speed etc.).
What I read so far is that support is quite limited in this kernel
(e.g. PowerTop not providing useful information).
Before I start tuning I would like to be able to measure whether my
changes are having any impact at all.
Thanks in advance,
Mathieu
[1] http://www.lesswatts.org/tips/cpu.php
[2] http://www.spencerstirling.com/computergeek/powersaving.html
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