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Date:      Sun, 03 Dec 2006 19:11:20 -0500
From:      Mike Tancsa <mike@sentex.net>
To:        =?ISO-8859-1?Q?Ask_Bj=F8rn_Hansen?= <ask@develooper.com>
Cc:        freebsd-net@freebsd.org
Subject:   Re: poor fastforwarding and polling performance
Message-ID:  <2kp6n2tl4tnrj6s10mt41ei0b6h1jvt0fs@4ax.com>
In-Reply-To: <0B1CC4E4-DEBA-4E72-9ADD-FBFA4F1B7EC8@develooper.com>
References:  <0B1CC4E4-DEBA-4E72-9ADD-FBFA4F1B7EC8@develooper.com>

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On Sat, 2 Dec 2006 19:09:03 -0800, in sentex.lists.freebsd.net you
wrote:
>
>With polling (ifconfig sis0 polling; ifconfig sis1 polling) I get =20
>about 1.5-2Mbit (pf doesn't make a difference).

=46or Polling, set
kern.polling.idle_poll=3D1

Also, try removing

options         ADAPTIVE_GIANT          # Giant mutex is adaptive.
and adding
options NO_ADAPTIVE_MUTEXES

from the kernel.  This should help a little with the non
fast_forwarding case.

	---Mike
--------------------------------------------------------
Mike Tancsa, Sentex communications http://www.sentex.net
Providing Internet Access since 1994
mike@sentex.net, (http://www.tancsa.com)



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