From: Volker Armin Hemmann <volkerarmin@googlemail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Tips for saving power needed...
Date: Sun, 01 Apr 2012 17:56:20 +0200 [thread overview]
Message-ID: <2320074.M2zdZi9kkL@localhost> (raw)
In-Reply-To: <4F786E9A.60404@gmail.com>
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
next prev parent reply other threads:[~2012-04-01 16:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-01 15:04 [gentoo-user] Tips for saving power needed Jarry
2012-04-01 15:24 ` Michael Hampicke
2012-04-01 15:56 ` Volker Armin Hemmann [this message]
2012-04-02 5:22 ` Walter Dnes
2012-04-06 17:05 ` [gentoo-user] Tips for saving power needed... particulary on laptops Frank Steinmetzger
2012-04-06 17:17 ` Michael Mol
2012-04-02 9:55 ` [gentoo-user] Tips for saving power needed Robert David
2012-04-02 11:57 ` Pandu Poluan
2012-04-02 12:10 ` Michael Mol
2012-04-02 14:17 ` Simon
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