From: Brice Goglin <Brice.Goglin@inria.fr>
To: Bill Fink <billfink@mindspring.com>
Cc: Linux Network Developers <netdev@vger.kernel.org>,
Yinghai Lu <yhlu.kernel@gmail.com>,
gallatin@myri.com
Subject: Re: Receive side performance issue with multi-10-GigE and NUMA
Date: Fri, 07 Aug 2009 23:53:18 +0200 [thread overview]
Message-ID: <4A7CA24E.4080503@inria.fr> (raw)
In-Reply-To: <20090807175112.a1f57407.billfink@mindspring.com>
Bill Fink wrote:
>> I've seen some cases in the past where numa_node was always 0 on
>> quad-Opteron machines with a PCI bus on node 1. IIRC it got fixed in
>> later kernels thanks to patches from Yinghai Lu (CC'ed).
>>
>
> By later kernels do you mean 2.6.30 or 2.6.31?
>
No, I meant "later than when the problem occured". I was using 2.6.22 at
this point and the problem was fixed somewhere around 2.6.25.
>> Is the corresponding local_cpus sysfs file wrong as well ?
>>
>
> All sysfs local_cpus values are the same (00000000,000000ff),
> so yes they are also wrong.
>
And hyperthreading is enabled, right?
Brice
next prev parent reply other threads:[~2009-08-07 21:53 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-07 21:06 Receive side performance issue with multi-10-GigE and NUMA Bill Fink
2009-08-07 21:18 ` Brice Goglin
2009-08-07 21:51 ` Bill Fink
2009-08-07 21:53 ` Brice Goglin [this message]
2009-08-07 22:08 ` Bill Fink
2009-08-07 22:17 ` Brice Goglin
2009-08-07 22:55 ` Bill Fink
2009-08-08 1:03 ` Andrew Gallatin
2009-08-08 1:35 ` Bill Fink
2009-08-08 11:08 ` Andrew Gallatin
2009-08-08 11:26 ` Neil Horman
2009-08-08 18:21 ` Andrew Gallatin
2009-08-08 18:32 ` Neil Horman
2009-08-11 7:32 ` Bill Fink
2009-08-11 11:02 ` Neil Horman
2009-08-11 19:15 ` Christoph Lameter
2009-08-11 22:27 ` Andi Kleen
2009-08-12 4:30 ` Bill Fink
2009-08-12 7:21 ` Andi Kleen
[not found] ` <4A856781.2080301@myri.com>
2009-08-14 16:38 ` Bill Fink
2009-08-14 16:55 ` Andrew Gallatin
2009-08-14 21:13 ` Aviv Greenberg
2009-08-20 7:26 ` Bill Fink
2009-08-20 13:14 ` Ben Hutchings
2009-08-21 4:00 ` Bill Fink
2009-08-20 13:17 ` Aviv Greenberg
2009-08-12 0:02 ` Brandeburg, Jesse
2009-08-12 4:38 ` Bill Fink
2009-08-12 16:00 ` Jesse Barnes
2009-08-14 20:31 ` Bill Fink
2009-08-17 16:53 ` Jesse Barnes
2009-08-18 7:07 ` Bill Fink
2009-08-18 11:54 ` Andrew Gallatin
2009-08-19 17:59 ` Bill Fink
2009-08-07 22:12 ` Neil Horman
2009-08-08 0:54 ` Bill Fink
2009-08-08 1:56 ` Neil Horman
2009-08-14 20:44 ` Bill Fink
2009-08-14 23:25 ` Neil Horman
2009-08-20 7:50 ` Bill Fink
2009-08-20 20:19 ` Neil Horman
2009-08-21 4:14 ` Bill Fink
2009-08-21 15:23 ` Neil Horman
2009-08-21 15:36 ` Andrew Gallatin
2009-08-26 7:10 ` Bill Fink
2009-08-26 11:00 ` Neil Horman
2009-08-26 18:08 ` Neil Horman
2009-08-26 18:15 ` Ingo Molnar
2009-08-26 19:04 ` Neil Horman
2009-08-26 19:08 ` Ingo Molnar
2009-08-26 19:36 ` David Miller
2009-08-26 19:48 ` Ingo Molnar
2009-08-26 20:23 ` Neil Horman
2009-08-26 20:40 ` Ingo Molnar
2009-08-26 22:39 ` Neil Horman
2009-08-26 22:44 ` David Miller
2009-08-26 23:05 ` Ingo Molnar
2009-08-26 23:08 ` David Miller
2009-08-26 23:58 ` Ingo Molnar
2009-08-27 0:05 ` Steven Rostedt
2009-08-27 0:35 ` Christoph Hellwig
2009-08-27 9:28 ` Ingo Molnar
2009-08-26 23:05 ` Steven Rostedt
2009-08-26 23:09 ` David Miller
2009-08-26 23:30 ` Ingo Molnar
2009-08-26 23:23 ` Neil Horman
2009-08-26 23:29 ` David Miller
2009-08-26 23:19 ` Neil Horman
2009-08-26 23:14 ` Ingo Molnar
2009-08-26 23:33 ` Steven Rostedt
2009-08-27 0:14 ` Neil Horman
2009-08-27 0:29 ` Steven Rostedt
2009-08-27 1:17 ` Neil Horman
2009-08-27 9:06 ` Ingo Molnar
2009-08-27 9:34 ` Ingo Molnar
2009-08-27 0:34 ` Christoph Hellwig
2009-08-27 0:30 ` blktrace ftrace plugin, was " Christoph Hellwig
2009-08-27 5:26 ` Jens Axboe
2009-08-27 9:12 ` Ingo Molnar
2009-08-27 9:14 ` Jens Axboe
2009-08-27 13:55 ` Arnaldo Carvalho de Melo
2009-08-28 2:03 ` Li Zefan
2009-08-26 23:46 ` Frederic Weisbecker
2009-08-26 20:28 ` Ingo Molnar
2009-08-26 20:01 ` Neil Horman
2009-08-26 22:57 ` Ingo Molnar
2009-08-27 17:32 ` Bill Fink
2009-09-02 5:28 ` Bill Fink
2009-08-27 17:44 ` Bill Fink
2009-08-27 17:51 ` Neil Horman
2009-09-02 5:11 ` Bill Fink
2009-09-02 10:49 ` Neil Horman
2009-09-02 15:38 ` Bill Fink
2009-08-12 23:29 ` David Miller
2009-08-13 2:35 ` Bill Fink
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