Message-ID: <47AB6CA0.1040108@hp.com>
Date: Thu, 07 Feb 2008 15:40:00 -0500
From: "Alan D. Brunelle" <Alan.Brunelle@hp.com>
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To: Jens Axboe <jens.axboe@oracle.com>
Cc: linux-kernel@vger.kernel.org, arjan@linux.intel.com, dgc@sgi.com,
       npiggin@suse.de
Subject: Re: IO queuing and complete affinity with threads (was Re: [PATCH
 0/8] IO queuing and complete affinity)
References: <1202375945-29525-1-git-send-email-jens.axboe@oracle.com> <20080207182544.GM15220@kernel.dk>
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Jens Axboe wrote:
> Hi,
> 
> Here's a variant using kernel threads only, the nasty arch bits are then
> not needed. Works for me, no performance testing (that's a hint for Alan
> to try and queue up some testing for this variant as well :-)
> 
> 
I'll get to that, working my way through the first batch of testing on a NUMA platform. [[If anybody has ideas on specific testing to do, that would be helpful.]] I do plan on running some AIM7 tests, as those have shown improvement in other types of affinity changes in the kernel, and some of them have "interesting" IO load characteristics.

Alan

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