From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1DUm5F-000541-Ag for user-mode-linux-devel@lists.sourceforge.net; Sun, 08 May 2005 06:44:37 -0700 Received: from pentafluge.infradead.org ([213.146.154.40]) by sc8-sf-mx1.sourceforge.net with esmtp (TLSv1:AES256-SHA:256) (Exim 4.41) id 1DUm5D-0004Dx-Nq for user-mode-linux-devel@lists.sourceforge.net; Sun, 08 May 2005 06:44:37 -0700 From: Arjan van de Ven In-Reply-To: References: <20050507182728.GA29592@in.ibm.com> <1115524211.17482.23.camel@localhost.localdomain> Content-Type: text/plain Message-Id: <1115559855.5998.26.camel@laptopd505.fenrus.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [uml-devel] Re: [RFC] (How to) Let idle CPUs sleep Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Sun, 08 May 2005 15:44:14 +0200 To: Andi Kleen Cc: vatsa@in.ibm.com, schwidefsky@de.ibm.com, jdike@addtoit.com, Andrew Morton , Ingo Molnar , Nick Piggin , rmk+lkml@arm.linux.org.uk, linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net > But it has to be *really* lightweight because these transistion can > happen a lot (consider a CPU that very often goes to sleep for a short time) lightweight is good of course. But even if it's medium weight.. it just means you need to be REALLY idle (eg for longer time) for it to trigger. I guess we need some sort of per arch "idleness threshhold" for this. ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. Get your fingers limbered up and give it your best shot. 4 great events, 4 opportunities to win big! Highest score wins.NEC IT Guy Games. Play to win an NEC 61 plasma display. Visit http://www.necitguy.com/?r=20 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel