From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ducrot Bruno Subject: Re: Entering C3 Processor State without a Bus Arbiter Date: Sun, 18 Jan 2004 04:00:56 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20040118030056.GC25416@poupinou.org> References: <20040115154555.V73140@root.org> <20040116093055.GE9814@dominikbrodowski.de> <20040116092917.W76365@root.org> <20040116180225.GB5090@dominikbrodowski.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20040116180225.GB5090-X3ehHDuj6sIIGcDfoQAp7BvVK+yQ3ZXh@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Dominik Brodowski Cc: Nate Lawson , Dino Klein , acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.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. ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn