From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264260AbUE2LS4 (ORCPT ); Sat, 29 May 2004 07:18:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264262AbUE2LS4 (ORCPT ); Sat, 29 May 2004 07:18:56 -0400 Received: from colin2.muc.de ([193.149.48.15]:53004 "HELO colin2.muc.de") by vger.kernel.org with SMTP id S264260AbUE2LSv (ORCPT ); Sat, 29 May 2004 07:18:51 -0400 Date: 29 May 2004 13:18:49 +0200 Date: Sat, 29 May 2004 13:18:49 +0200 From: Andi Kleen To: Nick Piggin Cc: Andi Kleen , "Nakajima, Jun" , "Martin J. Bligh" , linux-kernel@vger.kernel.org Subject: Re: CONFIG_IRQBALANCE for AMD64? Message-ID: <20040529111849.GA24926@colin2.muc.de> References: <7F740D512C7C1046AB53446D372001730182BC35@scsmsx402.amr.corp.intel.com> <20040528225426.GA89095@colin2.muc.de> <40B7E708.1030603@yahoo.com.au> <20040529100600.GA75246@colin2.muc.de> <40B8619F.8020108@yahoo.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <40B8619F.8020108@yahoo.com.au> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 29, 2004 at 08:10:39PM +1000, Nick Piggin wrote: > Andi Kleen wrote: > >>We're actually doing the converse of this in the sched-domain > >>scheduler. Processes have a tendancy to follow the interrupts > >>(ie. try to get onto the same CPU as them). > > > > > >Hmm? I don't see any code in sched-domain that would care about > >interrupts. What I'm missing? > > > > Well no, what I should have said is wakeups. We do the same > for all wakeups, so there is nothing interrupt specific you > are right. wakeups are too late e.g. for network processing. -Andi