Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757240AbZFAKWq (ORCPT ); Mon, 1 Jun 2009 06:22:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754732AbZFAKWj (ORCPT ); Mon, 1 Jun 2009 06:22:39 -0400 Received: from mtagate4.de.ibm.com ([195.212.29.153]:56472 "EHLO mtagate4.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751504AbZFAKWi (ORCPT ); Mon, 1 Jun 2009 06:22:38 -0400 Date: Mon, 1 Jun 2009 12:22:34 +0200 From: Martin Schwidefsky To: Andi Kleen Cc: linux-kernel@vger.kernel.org, Rob van der Heij , Heiko Carstens , Ingo Molnar , Thomas Gleixner , john stultz Subject: Re: [patch 2/2] keep on ticking if oprofile is active Message-ID: <20090601122234.725c1e97@skybase> In-Reply-To: <87vdngcr48.fsf@basil.nowhere.org> References: <20090528150447.152019714@de.ibm.com> <20090528150502.305840931@de.ibm.com> <87vdngcr48.fsf@basil.nowhere.org> Organization: IBM Corporation X-Mailer: Claws Mail 3.7.1 (GTK+ 2.16.1; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 918 Lines: 27 On Mon, 01 Jun 2009 10:09:27 +0200 Andi Kleen wrote: > Martin Schwidefsky writes: > > > From: Martin Schwidefsky > > > > On a NOHZ system with oprofile enabled the timer tick should not be > > The old style profile=... profiler should do that too. Technically the old style profiler and NOHZ can be combined (see patch #1 plus a fix as discussed with Thomas). On the other hand it would make the code simpler if we just fallback to the standard tick if profile= is used. My personal preference would be to use my patch. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. -- 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/