Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753708AbZCFGiT (ORCPT ); Fri, 6 Mar 2009 01:38:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751345AbZCFGiE (ORCPT ); Fri, 6 Mar 2009 01:38:04 -0500 Received: from mail.gmx.net ([213.165.64.20]:35555 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751303AbZCFGiD (ORCPT ); Fri, 6 Mar 2009 01:38:03 -0500 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX1+sqi5SkmysJpm7XlJANF8cGnsVxRJJ3Lf1f5DAG/ pQLoqj1/cihtts Subject: Re: [PATCH] perfcounters: IRQ and NMI support on AMD CPUs From: Mike Galbraith To: Jaswinder Singh Rajput Cc: Ingo Molnar , Peter Zijlstra , Paul Mackerras , lkml In-Reply-To: <1236283315.6457.4.camel@localhost.localdomain> References: <1236273633.5187.286.camel@laptop> <1236277959.3316.3.camel@localhost.localdomain> <1236278730.5187.378.camel@laptop> <1236279393.3316.13.camel@localhost.localdomain> <1236281661.5187.432.camel@laptop> <20090305194127.GA2039@elte.hu> <1236283315.6457.4.camel@localhost.localdomain> Content-Type: text/plain Date: Fri, 06 Mar 2009 07:37:53 +0100 Message-Id: <1236321473.6030.8.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.22.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1420 Lines: 41 On Fri, 2009-03-06 at 01:31 +0530, Jaswinder Singh Rajput wrote: > On Thu, 2009-03-05 at 20:41 +0100, Ingo Molnar wrote: > > * Peter Zijlstra wrote: > > > > > On Fri, 2009-03-06 at 00:26 +0530, Jaswinder Singh Rajput wrote: > > > > > > > But kerneltop is still not working and I am not getting any NMI Interrupts. > > > > > > Does the below work for you? > > > > > > The BKGD suggests its 48 for all existing machines (it > > > certainly is for mine). > > > > Yeah, this did the trick on AMD/Barcelona! > > > > Nice. > > but on my AMD box I got interrupts and NMI for some time: > > NMI: 100 1108209 Non-maskable interrupts > LOC: 213 192815 Local timer interrupts > CNT: 100 1108206 Performance counter interrupts > RES: 21132 20397 Rescheduling interrupts > > but kerneltop does not show anything, it only shows # irqs/sec for some > time and then irqs also become 0. Hm. Kerneltop on my Q6600 has ceased to function with n 1 as well, but n 0 still works. Zero NMIs. Perfstat has also gone south. perfstat: perfstat.c:423: main: Assertion `res == sizeof(single_count)' failed. -Mike -- 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/