From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263043AbVGNPZh (ORCPT ); Thu, 14 Jul 2005 11:25:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263044AbVGNPZg (ORCPT ); Thu, 14 Jul 2005 11:25:36 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:42624 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S263043AbVGNPZe (ORCPT ); Thu, 14 Jul 2005 11:25:34 -0400 Subject: Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt From: Lee Revell To: Christoph Lameter Cc: Ingo Molnar , Linus Torvalds , dean gaudet , Chris Wedgwood , Andrew Morton , "Brown, Len" , dtor_core@ameritech.net, vojtech@suse.cz, david.lang@digitalinsight.com, davidsen@tmr.com, kernel@kolivas.org, linux-kernel@vger.kernel.org, mbligh@mbligh.org, diegocg@gmail.com, azarah@nosferatu.za.org In-Reply-To: References: <1121282025.4435.70.camel@mindpipe> <1121286258.4435.98.camel@mindpipe> <20050713134857.354e697c.akpm@osdl.org> <20050713211650.GA12127@taniwha.stupidest.org> <20050714005106.GA16085@taniwha.stupidest.org> <1121304825.4435.126.camel@mindpipe> <20050714083843.GA4851@elte.hu> <1121352941.4535.15.camel@mindpipe> Content-Type: text/plain Date: Thu, 14 Jul 2005 11:25:29 -0400 Message-Id: <1121354730.4535.22.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.2.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2005-07-14 at 08:02 -0700, Christoph Lameter wrote: > I doubt that increasing the timer frequency is the way to go to solve > these issues. HZ should be as low as possible and we should strive for > a tickless system. Agreed. Most of those applications are driven by their own interrupt source anyway. I do think Linus' proposal, or even copying what Windows does, would be a big improvement over the fixed tick rate. Lee