From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: Re: netconf notes and materials Date: Fri, 09 Oct 2009 16:35:06 -0700 Message-ID: <4ACFC8AA.7010902@hp.com> References: <20091007.044718.233642056.davem@davemloft.net> <20091009174949.467ddc50.billfink@mindspring.com> <20091009.145151.130967664.davem@davemloft.net> <1255129289.8937.39.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: David Miller , "billfink@mindspring.com" , "netdev@vger.kernel.org" To: Peter P Waskiewicz Jr Return-path: Received: from g4t0016.houston.hp.com ([15.201.24.19]:5008 "EHLO g4t0016.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757121AbZJIXfo (ORCPT ); Fri, 9 Oct 2009 19:35:44 -0400 In-Reply-To: <1255129289.8937.39.camel@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: Peter P Waskiewicz Jr wrote: > On Fri, 2009-10-09 at 14:51 -0700, David Miller wrote: > >>From: Bill Fink >>Date: Fri, 9 Oct 2009 17:49:49 -0400 >> >> >>>How did you do the NUMA memory performance monitoring that was >>>presented on one of your slides? >> >>Using proprietary internal tools Intel is unlikely to release. >> >>On the bright side, some of those metrics will make their way into the >>'perf' facilities in the kernel so they can be monitored, but not all >>of them. > > > Yes, they are tools written by our CPU and chipset teams to assist in > debug. To reinforce what David just said, I know Jesse Barnes is > working hard with the Intel powers-that-be to get the "approved" public > PMU counters into the perf utility. I'd imagine the PMU counters for > IOH memory throughput will be deemed ok, since it's not uncovering any > IP. > > If I hear anything about any of the performance counters, I'll be sure > to forward that on. From the standpoint of I/O, anything that might enable a port of: http://pcitop.berlios.de/ would be goodness. rick jones