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Date:      Tue, 6 Jul 2004 14:26:44 -0400 (EDT)
From:      Daniel Eischen <eischen@vigrid.com>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        freebsd-threads@freebsd.org
Subject:   Re: pthread switch  (was Odd KSE panic)
Message-ID:  <Pine.GSO.4.10.10407061425570.14885-100000@pcnet5.pcnet.com>
In-Reply-To: <16618.52660.343754.933037@grasshopper.cs.duke.edu>

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On Tue, 6 Jul 2004, Andrew Gallatin wrote:

> 
> FWIW, inserting a pthread_yield() just before the ioctl call in the
> worker thread speeds things up quite a bit (100us -> 73us) in
> combination with kern.threads.virtual_cpu=1.

Then I guess preemption and setting thread priorities
accordingly would help your problem...

-- 
Dan Eischen



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