Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753745AbXIAJMj (ORCPT ); Sat, 1 Sep 2007 05:12:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752020AbXIAJMa (ORCPT ); Sat, 1 Sep 2007 05:12:30 -0400 Received: from cantor2.suse.de ([195.135.220.15]:36615 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751841AbXIAJM3 (ORCPT ); Sat, 1 Sep 2007 05:12:29 -0400 From: Andi Kleen Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg) To: Daniel Walker Subject: Re: nmi_watchdog=2 regression in 2.6.21 Date: Sat, 1 Sep 2007 11:12:24 +0200 User-Agent: KMail/1.9.6 Cc: =?utf-8?q?Bj=C3=B6rn_Steinbrink?= , eranian@hpl.hp.com, linux-kernel@vger.kernel.org, akpm@linux-foundation.org References: <20070828170556.GI1645@frankl.hpl.hp.com> <20070831180644.GA24174@atjola.homenet> <1188606286.26038.117.camel@dhcp193.mvista.com> In-Reply-To: <1188606286.26038.117.camel@dhcp193.mvista.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200709011112.24320.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 554 Lines: 15 > If you look at the LOC values you'll notice a lot of time has passed, > with only one NMI and on only one cpu .. > > It's possible this is something else completely tho .. It only ticks when the CPU is not idle. If you want to see the "operating frequency" run a main(){for(;;;);} for each core. -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/