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Date: Tue, 5 Nov 2013 06:53:12 -0800
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Subject: Re: [10-STABLE, 11-CURRENT] something wrong between cam and
 eventtimer or geom and eventtimer
From: Adrian Chadd <adrian@freebsd.org>
To: Oliver Pinter <oliver.pntr@gmail.com>
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Cc: Davide Italiano <davide@freebsd.org>, Alexander Motin <mav@freebsd.org>,
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Hi!

Can you do 'sysctl dev.cpu' please? I'd like to see what sleep
state(s) your CPU is entering.

Thanks!


-adrian


On 5 November 2013 06:07, Oliver Pinter <oliver.pntr@gmail.com> wrote:
> Hi all!
>
> The machine is a Haswell machine, the disc performance was very poor
> (20-30MByte/sec).
> When I change the kern.eventtimer.idletick from 0 to 1, the normal
> performance restored back to normal (70-90MByte/sec).
>
> The default eventtimer was LAPIC.
>
> On other machine Q9300, this was fully reproducible.
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