From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932216AbWC3QZG (ORCPT ); Thu, 30 Mar 2006 11:25:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932222AbWC3QZG (ORCPT ); Thu, 30 Mar 2006 11:25:06 -0500 Received: from [212.76.84.251] ([212.76.84.251]:24590 "EHLO raad.intranet") by vger.kernel.org with ESMTP id S932216AbWC3QZE (ORCPT ); Thu, 30 Mar 2006 11:25:04 -0500 From: Al Boldi To: Mike Galbraith Subject: Re: [rfc][patch] improved interactive starvation patch against Date: Thu, 30 Mar 2006 19:12:54 +0300 User-Agent: KMail/1.5 Cc: linux-kernel@vger.kernel.org, Willy Tarreau MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <200603301912.54765.a1426z@gawab.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 30, 2006 at 12:19:57PM +0200, Mike Galbraith wrote: > The patch below alone makes virgin 2.6.16 usable in the busy apache > server scenario, and should help quite a bit with other situations as > well. Thanks again! > For the one or two folks on the planet testing my anti-starvation > patches, I've attached an incremental to my 2.6.16 test release. After playing some more w/ sched.c tunables, which really should be exported through procfs, I adjusted these to yield near hardRT performance on a 400MHz PII. MIN_TIMESLICE=1 DEF_TIMESLICE=1 PRIO_BONUS_RATIO=15 INTERACTIVE_DELTA=20 Could you try them on vanilla 2.6.16? Thanks! -- Al