From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932089AbXBELQh (ORCPT ); Mon, 5 Feb 2007 06:16:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932085AbXBELQg (ORCPT ); Mon, 5 Feb 2007 06:16:36 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:40674 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932077AbXBELQf (ORCPT ); Mon, 5 Feb 2007 06:16:35 -0500 Date: Mon, 5 Feb 2007 11:22:49 +0100 From: Ingo Molnar To: Peter Zijlstra Cc: Sunil Naidu , linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Subject: Re: v2.6.20-rt1, yum/rpm Message-ID: <20070205102249.GA16652@elte.hu> References: <20070205065636.GA1652@elte.hu> <8355959a0702050236k14aa8c98g29fdbac2c1370def@mail.gmail.com> <1170672153.4672.1.camel@twins> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1170672153.4672.1.camel@twins> User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -2.3 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.3 required=5.9 tests=ALL_TRUSTED,BAYES_50 autolearn=no SpamAssassin version=3.0.3 -3.3 ALL_TRUSTED Did not pass through any untrusted hosts 1.0 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.4984] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Peter Zijlstra wrote: > > But here is an interesting dmesg: > > > > rcu_boost_dat: idx=1 b=0 ul=0 ub=0 boost: a=0 b=0 > > rcu_boost_dat block: 0 0 0 0? > > rcu_boost_dat boost: 0! 0 0 0? > > rcu_boost_dat unlock: 0? 0 0 0? > > > > I didn'tunderstand this with ? Am I missing anything here or please > > give some inputs. > > That is Paul McKenney's RCU priority boosting stuff. yeah, those messages are diagnostic. You can turn them off by disabling CONFIG_PREEMPT_RCU_BOOST_STATS. Ingo