Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754669AbYKNRlo (ORCPT ); Fri, 14 Nov 2008 12:41:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752363AbYKNRld (ORCPT ); Fri, 14 Nov 2008 12:41:33 -0500 Received: from one.firstfloor.org ([213.235.205.2]:53606 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750918AbYKNRld (ORCPT ); Fri, 14 Nov 2008 12:41:33 -0500 Date: Fri, 14 Nov 2008 18:50:56 +0100 From: Andi Kleen To: Eric Dumazet Cc: Mikael Pettersson , Andi Kleen , Robert Richter , oprofile-list@lists.sf.net, Ingo Molnar , Jiri Kosina , Jiri Benc , Vilem Marsik , Pekka Enberg , linux-kernel@vger.kernel.org Subject: Re: Oprofile : need to adjust PC by 16 bytes Message-ID: <20081114175056.GK3810@one.firstfloor.org> References: <20081113212446.GA5694@elte.hu> <20081113213744.GA8429@elte.hu> <491CA0DC.8070405@cosmosbay.com> <491D987F.1000301@cosmosbay.com> <18717.44751.459961.277998@harpo.it.uu.se> <491DB391.2040701@cosmosbay.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <491DB391.2040701@cosmosbay.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 546 Lines: 14 > >And no, blindly subtracting 16 from IP is not a fix. > > Who mentioned a fix ? I am only giving more fuel to Intel guys so they > hopefully can give us a working oprofile. You would need to implement PEBS support to avoid that problem. But it's a big task. perfmon2 implements it already. -Andi -- 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/