From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: rq_affinity doesn't seem to work?
Date: Fri, 15 Jul 2011 22:40:15 -0400
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To: ersatz splatt <ersatzsplatt@gmail.com>
Cc: Roland Dreier <roland@purestorage.com>, Matthew Wilcox <matthew@wil.cx>, Jens Axboe <axboe@kernel.dk>, "Jiang, Dave" <dave.jiang@intel.com>, "Williams, Dan J" <dan.j.williams@intel.com>, "Foong, Annie" <annie.foong@intel.com>, "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "Nadolski, Edmund" <edmund.nadolski@intel.com>, "Skirvin, Jeffrey D" <jeffrey.d.skirvin@intel.com>

On Fri, Jul 15, 2011 at 04:43:44PM -0700, ersatz splatt wrote:
> I have a dual socket system with Tylersburg chipset (approximately
> Westmere I gather).
> With two Xeon X5660 packages I get this when running with more iops
> potential than the system can handle:

What HBA do you use? Does it already have a lockless ->queuecommand?