Re: mpt Serious performance issues

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Jan 28, 2011 at 11:41:58AM +0100, Stephan wrote:
> OK, i got that. Regarding the mpt driver issue, is there a change to
> see if the driver operates in tagged queueing mode?

dmesg should tell you something like:
sd40: sync (12.50ns offset 62), 16-bit (160.000MB/s) transfers, tagged queueing
                                                                ^^^^^^^^^^^^^^^

but you can add printfs() to the mpt driver to see if it's operating in
tagged queuing mode or not.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
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