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Message-ID: <9a8748490507211114227720b0@mail.gmail.com>
Date: Thu, 21 Jul 2005 20:14:32 +0200
From: Jesper Juhl <jesper.juhl@gmail.com>
Reply-To: Jesper Juhl <jesper.juhl@gmail.com>
To: Voluspa <lista1@telia.com>
Subject: Re: 2.6.13-rc3 Battery times at 100/250/1000 Hz = Zero difference
Cc: linux-kernel@vger.kernel.org
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On 7/21/05, Voluspa <lista1@telia.com> wrote:
> 
> I'd gladly (ehum..) redo this mind-numbingly boring test if someone can
> point me to a magic software which unleashes some untapped powersaving
> feature of the CPU.
> 
> _Kernel 2.6.13-rc3 Boot to Death_:
> 
> 2h48m at 100 HZ
> 2h48m at 250 HZ
> 2h47m at 1000 HZ
> 
> _"Load"_:
> 
> #!/bin/sh
> touch time-hz-start
> while (true) do
>     touch time-hz-end
>     sleep 1m
> done
> 
Ok, so with an idle machine, different HZ makes no noticeable
difference, but I'd suspect things would be different if the machine
was actually doing some work.
Would be more interresting to see how long it lasts with a light load
and with a heavy load.

-- 
Jesper Juhl <jesper.juhl@gmail.com>
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