[Oisf-users] Suricata on OpenBSD

Will Metcalf william.metcalf at gmail.com
Thu Jun 17 04:54:08 UTC 2010


Paul,

Thanks for the info we will have a read ;-).

Regards,

Will

On Wed, Jun 16, 2010 at 9:01 PM, Paul Gray <gray at cs.uni.edu> wrote:
> On 06/16/2010 03:54 PM, Will Metcalf wrote:
>> Anybody know if OpenBSD does threading in userland?  Wasn't it
>  > this way at one point,  I can't remember...
>
> Based on the current man page for ptheads (linked below) it is in userland.
> There has been some work on a project called rthreads which I think is
> intended to get kernel space threads implemented but the OpenBSD kernel still
> has a big lock in the kernel which limits performance gain.
>
> http://www.openbsd.org/cgi-bin/man.cgi?query=pthreads&sektion=3&apropos=0&manpath=OpenBSD+Current&arch=i386
>
> Below are some links on the issue: One to a presentation from last year and
> paper from 5 years ago off the OpenBSD site.
>
> http://www.dcbsdcon.org/speakers/slides/unangst_dcbsdcon2009.pdf
>
> http://www.openbsd.org/papers/eurobsd2005/tedu-rthreads.pdf
>
> (Josh Hoppes is to be credited with pulling out these tidbits - thanks, Josh.)
>
> --
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