Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751698AbWCUNdT (ORCPT ); Tue, 21 Mar 2006 08:33:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751696AbWCUNdS (ORCPT ); Tue, 21 Mar 2006 08:33:18 -0500 Received: from mail.gmx.de ([213.165.64.20]:2539 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S1751695AbWCUNdS (ORCPT ); Tue, 21 Mar 2006 08:33:18 -0500 X-Authenticated: #14349625 Subject: Re: interactive task starvation From: Mike Galbraith To: Con Kolivas Cc: Ingo Molnar , Willy Tarreau , lkml , Andrew Morton , bugsplatter@gmail.com In-Reply-To: <200603220013.15870.kernel@kolivas.org> References: <200603090036.49915.kernel@kolivas.org> <200603212253.03637.kernel@kolivas.org> <1142946610.7807.43.camel@homer> <200603220013.15870.kernel@kolivas.org> Content-Type: text/plain Date: Tue, 21 Mar 2006 14:33:20 +0100 Message-Id: <1142948000.7807.63.camel@homer> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1336 Lines: 26 On Wed, 2006-03-22 at 00:13 +1100, Con Kolivas wrote: > On Wednesday 22 March 2006 00:10, Mike Galbraith wrote: > > How long should Willy be able to scroll without feeling the background, > > and how long should Apache be able to starve his shell. They are one > > and the same, and I can't say, because I'm not Willy. I don't know how > > to get there from here without tunables. Picking defaults is one thing, > > but I don't know how to make it one-size-fits-all. For the general > > case, the values delivered will work fine. For the apache case, they > > absolutely 100% guaranteed will not. > > So how do you propose we tune such a beast then? Apache users will use off, > everyone else will have no idea but to use the defaults. Set for desktop, which is intended to mostly emulate what we have right now, which most people are quite happy with. The throttle will still nail most of the corner cases, and the other adjustments nail the majority of what's left. That leaves the hefty server type loads as what certainly will require tuning. They always need tuning. -Mike - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/