From: Ducrot Bruno <ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>
To: Dominik Brodowski
<linux-X3ehHDuj6sIIGcDfoQAp7BvVK+yQ3ZXh@public.gmane.org>
Cc: Nate Lawson <nate-Y6VGUYTwhu0@public.gmane.org>,
Dino Klein <dinoklein-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org>,
acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: Entering C3 Processor State without a Bus Arbiter
Date: Sun, 18 Jan 2004 04:00:56 +0100 [thread overview]
Message-ID: <20040118030056.GC25416@poupinou.org> (raw)
In-Reply-To: <20040116180225.GB5090-X3ehHDuj6sIIGcDfoQAp7BvVK+yQ3ZXh@public.gmane.org>
On Fri, Jan 16, 2004 at 07:02:25PM +0100, Dominik Brodowski wrote:
> On Fri, Jan 16, 2004 at 09:33:05AM -0800, Nate Lawson wrote:
> > The processor code in Linux degrades to C2 when the last sleep was less
> > than its latency. So if you have 900 us C3 latency, you can be woken up a
> > thousand times a second without degrading to C2.
>
> Well, then maybe the Cx policy code is something which needs to be looked
> at... will do that when I implement _CST support [soon, as my notebook wants
> to be put into C4]
>
I have some experimental code for, will cleanup this, and send this to
you soon if you are OK.
Cheers,
--
Ducrot Bruno
-- Which is worse: ignorance or apathy?
-- Don't know. Don't care.
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next prev parent reply other threads:[~2004-01-18 3:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-15 22:29 Entering C3 Processor State without a Bus Arbiter Dino Klein
[not found] ` <Law11-OE36TK4GXSNMh0000bd93-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org>
2004-01-15 23:25 ` Dominik Brodowski
2004-01-15 23:52 ` Nate Lawson
[not found] ` <20040115154555.V73140-Y6VGUYTwhu0@public.gmane.org>
2004-01-16 9:30 ` Dominik Brodowski
[not found] ` <20040116093055.GE9814-X3ehHDuj6sIIGcDfoQAp7BvVK+yQ3ZXh@public.gmane.org>
2004-01-16 17:33 ` Nate Lawson
[not found] ` <20040116092917.W76365-Y6VGUYTwhu0@public.gmane.org>
2004-01-16 18:02 ` Dominik Brodowski
[not found] ` <20040116180225.GB5090-X3ehHDuj6sIIGcDfoQAp7BvVK+yQ3ZXh@public.gmane.org>
2004-01-18 3:00 ` Ducrot Bruno [this message]
2004-01-17 18:11 ` Dino Klein
-- strict thread matches above, loose matches on Subject: below --
2004-01-18 7:14 Yu, Luming
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