netdev - Re: netconf notes and materials

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Message-ID: <4ACFC8AA.7010902@hp.com>
Date:	Fri, 09 Oct 2009 16:35:06 -0700
From:	Rick Jones <rick.jones2@...com>
To:	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
CC:	David Miller <davem@...emloft.net>,
	"billfink@...dspring.com" <billfink@...dspring.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: netconf notes and materials

Peter P Waskiewicz Jr wrote:
> On Fri, 2009-10-09 at 14:51 -0700, David Miller wrote:
> 
>>From: Bill Fink <billfink@...dspring.com>
>>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
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