Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754715AbZCESpq (ORCPT ); Thu, 5 Mar 2009 13:45:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753812AbZCESph (ORCPT ); Thu, 5 Mar 2009 13:45:37 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:59689 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753650AbZCESph (ORCPT ); Thu, 5 Mar 2009 13:45:37 -0500 Subject: Re: [PATCH] perfcounters: IRQ and NMI support on AMD CPUs From: Peter Zijlstra To: Jaswinder Singh Rajput Cc: Ingo Molnar , Paul Mackerras , lkml In-Reply-To: <1236277959.3316.3.camel@localhost.localdomain> References: <1236273633.5187.286.camel@laptop> <1236277959.3316.3.camel@localhost.localdomain> Content-Type: text/plain Date: Thu, 05 Mar 2009 19:45:30 +0100 Message-Id: <1236278730.5187.378.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.25.92 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1620 Lines: 49 On Fri, 2009-03-06 at 00:02 +0530, Jaswinder Singh Rajput wrote: > Hello Peter, > > Ahh, so that day you was getting triple fault in this ? > > On Thu, 2009-03-05 at 18:20 +0100, Peter Zijlstra wrote: > > Subject: perfcounters: IRQ and NMI support on AMD CPUs > > From: Peter Zijlstra > > Date: Thu Mar 05 18:08:27 CET 2009 > > > > The below completes the K7+ performance counter support. > > > > Signed-off-by: Peter Zijlstra > > --- > > arch/x86/kernel/cpu/perf_counter.c | 272 +++++++++++++++++++++++++++++++------ > > 1 file changed, 228 insertions(+), 44 deletions(-) > > > > It was in my TODO list, but I am glad that you finished it :-) > > Any how with this patch on my 64 bit AMD box I am getting: > > [jaswinder@hpdv5 perfcounters]$ ./perfstat -e 0,1,2,3 ls > /dev/null > > Performance counter stats for 'ls': > > perfstat: perfstat.c:415: main: Assertion `res == sizeof(single_count)' > failed. > Aborted > [jaswinder@hpdv5 perfcounters]$ > > [root@hpdv5 perfcounters]# ./kerneltop > KernelTop refresh period: 2 seconds > kerneltop: kerneltop.c:883: main: Assertion `res == sizeof(ip)' failed. > Aborted > [root@hpdv5 perfcounters]# Ah, I think you will need a fresh copy of both utilities, Paul recently changed the ABI. http://people.redhat.com/mingo/perfcounters/ Contains the latest IIRC -- 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/