Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754002Ab3EBHe0 (ORCPT ); Thu, 2 May 2013 03:34:26 -0400 Received: from merlin.infradead.org ([205.233.59.134]:43750 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753730Ab3EBHeZ (ORCPT ); Thu, 2 May 2013 03:34:25 -0400 Date: Thu, 2 May 2013 09:32:53 +0200 From: Peter Zijlstra To: Stephane Eranian Cc: Andi Kleen , "mingo@elte.hu" , LKML Subject: Re: [PATCH] perf, x86: Add workaround for MEM_*_RETIRED errata BV98 Message-ID: <20130502073252.GG7521@dyad.programming.kicks-ass.net> References: <1367261108-9567-1-git-send-email-andi@firstfloor.org> <20130501090718.GA28253@dyad.programming.kicks-ass.net> <20130501111219.GF28253@dyad.programming.kicks-ass.net> <20130501191342.GH17814@two.firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 912 Lines: 20 On Wed, May 01, 2013 at 09:21:55PM +0200, Stephane Eranian wrote: > On Wed, May 1, 2013 at 9:13 PM, Andi Kleen wrote: > >> Unfortunately, Andi's patch fails to correct the problem though > >> it is the right approach. As he said, the problem is unfortunately > > > > perf stat -a / record -a / top will work. > > > But it does not for perf stat -a. Look at my example, run it on your machine. Since nobody seems interested in explaining the exact nature of the hardware failure I think the best thing we can do is simply blacklist these events. Broken hardware is broken after all -- we should jump through too many hoops pretending its not. -- 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/