From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754924Ab3KLR4N (ORCPT ); Tue, 12 Nov 2013 12:56:13 -0500 Received: from merlin.infradead.org ([205.233.59.134]:38196 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753164Ab3KLR4L (ORCPT ); Tue, 12 Nov 2013 12:56:11 -0500 Date: Tue, 12 Nov 2013 18:55:54 +0100 From: Peter Zijlstra To: Srikar Dronamraju Cc: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, mikey@neuling.org, linux-tip-commits@vger.kernel.org Subject: Re: [PATCH v2] sched: Check sched_domain before computing group power. Message-ID: <20131112175554.GD21461@twins.programming.kicks-ass.net> References: <20131112105547.GA27310@linux.vnet.ibm.com> <20131112115736.GO5056@laptop.programming.kicks-ass.net> <20131112164126.GF2559@linux.vnet.ibm.com> <20131112170302.GC16796@laptop.programming.kicks-ass.net> <20131112171507.GG2559@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131112171507.GG2559@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 12, 2013 at 10:45:07PM +0530, Srikar Dronamraju wrote: > > > > Hurm.. can you provide the actual topology of the machine that triggers > > this? My brain hurts trying to thing through the weird cases of this > > code. > > > > Hope this helps. Please do let me know if you were looking for pdf output. PDFs go into /dev/null.. the below misses the interesting bits; being the node distance table. Also a complete sched_debug domain print is useful.