Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752162AbZIJQFL (ORCPT ); Thu, 10 Sep 2009 12:05:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752074AbZIJQFL (ORCPT ); Thu, 10 Sep 2009 12:05:11 -0400 Received: from viefep11-int.chello.at ([62.179.121.31]:33524 "EHLO viefep11-int.chello.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751589AbZIJQFK (ORCPT ); Thu, 10 Sep 2009 12:05:10 -0400 X-SourceIP: 213.93.53.227 Subject: Re: BFS vs. mainline scheduler benchmarks and measurements From: Peter Zijlstra To: Bret Towe Cc: Ingo Molnar , Nikos Chantziaras , Jens Axboe , Mike Galbraith , Con Kolivas , linux-kernel@vger.kernel.org In-Reply-To: References: <20090908091304.GQ18599@kernel.dk> <20090908203409.GJ18599@kernel.dk> <20090909061308.GA28109@elte.hu> <1252486344.28645.18.camel@marge.simson.net> <20090909091009.GR18599@kernel.dk> <20090909115429.GY18599@kernel.dk> <20090909122006.GA18599@kernel.dk> <20090909180404.GA11027@elte.hu> <4AA80C1E.2080901@arcor.de> <20090910060824.GF1335@elte.hu> Content-Type: text/plain Date: Thu, 10 Sep 2009 18:05:09 +0200 Message-Id: <1252598709.7360.0.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 813 Lines: 18 On Thu, 2009-09-10 at 09:02 -0700, Bret Towe wrote: > > thanks to this thread and others I've seen several kernel tunables > that can effect how the scheduler performs/acts > but what I don't see after a bit of looking is where all these are > documented > perhaps thats also part of the reason there are unhappy people with > the current code in the kernel just because they don't know how > to tune it for their workload The thing is, ideally they should not need to poke at these. These knobs are under CONFIG_SCHED_DEBUG, and that is exactly what they are for. -- 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/