Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753351AbYK0LU6 (ORCPT ); Thu, 27 Nov 2008 06:20:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752022AbYK0LUt (ORCPT ); Thu, 27 Nov 2008 06:20:49 -0500 Received: from one.firstfloor.org ([213.235.205.2]:51460 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751080AbYK0LUt (ORCPT ); Thu, 27 Nov 2008 06:20:49 -0500 Date: Thu, 27 Nov 2008 12:31:15 +0100 From: Andi Kleen To: eranian@gmail.com Cc: Andi Kleen , Thomas Gleixner , linux-kernel@vger.kernel.org, akpm@linux-foundation.org, mingo@elte.hu, x86@kernel.org, sfr@canb.auug.org.au Subject: Re: [patch 05/24] perfmon: X86 generic code (x86) Message-ID: <20081127113115.GH6703@one.firstfloor.org> References: <492d0be1.09cc660a.0b75.44b7@mx.google.com> <20081126140054.GX6703@one.firstfloor.org> <20081127100602.GF6703@one.firstfloor.org> <7c86c4470811270209q18d4e83aq8901837159838cc4@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7c86c4470811270209q18d4e83aq8901837159838cc4@mail.gmail.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: 704 Lines: 20 > The only reason why I have to deal with NMI is not so much to allow > for profiling irq-off regions but because I have to share the PMU with > the NMI watchdog. Otherwise I'd have to fail or disable the NMI watchdog > on the fly. The NMI watchdog is now off by default so failing with it enabled is fine. Longer term having NMI profiling is still a useful feature I think, but of course it needs to be implemented cleanly. -Andi -- ak@linux.intel.com -- 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/