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Date:      Wed, 16 Jan 2008 16:05:56 +0000
From:      "Igor Mozolevsky" <igor@hybrid-lab.co.uk>
To:        "=?ISO-8859-1?Q?Dag-Erling_Sm=F8rgrav?=" <des@des.no>
Cc:        njl@freebsd.org, bruno@freebsd.org, Stefan Lambrev <stefan.lambrev@moneybookers.com>, freebsd-current@freebsd.org, Maxim Sobolev <sobomax@digifonica.com>
Subject:   Re: powerd adaptive mode latching
Message-ID:  <a2b6592c0801160805u396675dftebfbe7abe6a8e193@mail.gmail.com>
In-Reply-To: <86wsq9kbkw.fsf@ds4.des.no>
References:  <a2b6592c0801110351l382959ffh1d55f2bcd2e6ca1b@mail.gmail.com> <a2b6592c0801111119r148d3697hf75a59b7bf74d540@mail.gmail.com> <478930D2.90806@digifonica.com> <200801161009.55401.jhb@freebsd.org> <a2b6592c0801160727n106d8a69tc9d1068a062bf837@mail.gmail.com> <86wsq9kbkw.fsf@ds4.des.no>

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On 16/01/2008, Dag-Erling Sm=F8rgrav <des@des.no> wrote:
> "Igor Mozolevsky" <igor@hybrid-lab.co.uk> writes:
> > That could be something to do with the rate of throttling of powerd; I
> > can't remember how long it was exactly, but under the default setting
> > it would take powerd 9s to go from 100MHz to full clock speed [...]
>
> Do you really have 18 steps, or did you have a higher ival?
>
> Have you tried setting ival to something like 100 ms?

Yup, there's 18 steps (if I recall correctly, don't have my laptop on
me) :-) I've got my ival at 50ms, but the point I was making was that
jhb's results were not surprising if he'd used defaults.


Igor



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