Gentoo Archives: gentoo-user

From: Volker Armin Hemmann <volkerarmin@××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Tips for saving power needed...
Date: Sun, 01 Apr 2012 16:00:51
Message-Id: 2320074.M2zdZi9kkL@localhost
In Reply to: [gentoo-user] Tips for saving power needed... by Jarry
Am Sonntag, 1. April 2012, 17:04:58 schrieb Jarry:
> Hi, > > admin of a colo-center keeps complaining my server is going > a little over power-limit (which they have set as ~120W per > 24h/avg, while my server needs ~130-135W). So I need to find > a way to save at least those 15W, or I will be moved to > higher tarif (which means higher costs for server-housing). > > Before going hard(ware) way, I would like to try first > all possible software solutions. What I tried up to now is > cpufreqd, CONFIG_NO_HZ=y, and spindown. In addition to that > I adjusted fan-speeds to a little lower values and turned > off some unneeded peripherials (in bios). > > Is there anything else I could do? Any tips would be greatly > welcomed... > > Jarry
don't use cpufreqd? Just use the ondemand cpu governor. Only run services you need. If there is graphics hardware make sure the driver knows about power saving. An amd card on a virtual terminal needs as much power as an amd card in X doing heavy 3d lifting ... -- #163933

Replies

Subject Author
Re: [gentoo-user] Tips for saving power needed... Walter Dnes <waltdnes@××××××××.org>