From mboxrd@z Thu Jan 1 00:00:00 1970 From: Malte Thoma Subject: Re: More than one battery Date: Fri, 17 Jan 2003 13:21:55 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <3E27F563.4070305@muenster.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: danielk-L9gzEf+okJWVc3sceRu5cw@public.gmane.org Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Daniel Thor Kristjansson wrote: >Yes, I think the auto-performance should be in there as well. I'm >working on something else right now, but the deadline for that is next >week. So following, that I'll clean it up and send you the diffs >(should be next weekend). > > sounds nice :-) Malte >-- Daniel > <> -- Charlie Gordon > >On Mon, 13 Jan 2003, Malte Thoma wrote: > >] >] >]Daniel Thor Kristjansson wrote: >] >]>I found the text below through some googling. The important thing is >]>that ospmd is supposed to support acpi policies in the next version. I >]>believe this means that you can hand a policy to ospmd and have it >]>handle throttling for you, I doubt it would take cpu load into account. >]>But I'm going to try to find who's working on that, the cpp files all >]>just say "Intel" then find out if they are planning on putting a more >]>complete policy support into the ospmd deamon, or could use a >]>contribution. Throttling just based on thermal event might save your >]>CPU, but won't save as much battery power as throttling the CPU when >]>load is low. (I can easly half my battery draw by throttling and turning >]>down the LCD, but I wouldn't do it without my hacked heatload >]>unthrottling when the system load goes up.) >]> >]> >]Please send my a diff from the hacked heatload. >]If I understand you right, you have included an >] >]'auto-throttling-when-no-load' >] >]I think this is worth to be included in the offical release, don't you? >]We should include 'auto-performance-when-no-load' as welll, what's your >]opinion? >] >] >]Greetings, >] >]Malte >] >] >] >] >] >]>Anyway, I'll keep you informed. >]> >]>-- Daniel >]> >]> http://216.239.37.100/search?q=cache:pOZPEz5rV_8C:www.intel.com/technology/iapc/acpi/downloads/CHANGES.txt+ospmd+cpu+throttling&hl=en&ie=UTF-8 >]> >]>The processor driver (acpi_processor.c) now fully supports ACPI >]>2.0-based processor performance control (e.g. Intel(R) SpeedStep(TM) >]>technology) Note that older laptops that only have the Intel "applet" >]>interface are not supported through this. The 'limit' and 'performance' >]>interface (/proc) are fully functional. [Note that basic policy for >]>controlling performance state transitions will be included in the next >]>version of ospmd.] The idle handler was modified to more aggressively >]>use C2, and PIIX4 errata handling underwent a >]>complete overhaul (big thanks to Dominik Brodowski). >]> >]>. >]> >]> >]> >] > >. > > > ------------------------------------------------------- This SF.NET email is sponsored by: Thawte.com Understand how to protect your customers personal information by implementing SSL on your Apache Web Server. Click here to get our FREE Thawte Apache Guide: http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0029en