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Date: Mon, 14 Jan 2008 17:07:56 +0100
From: Laurent Frigault <lfrigault@agneau.org>
To: Sepherosa Ziehau <sepherosa@gmail.com>
Message-ID: <20080114160756.GA7716@obelix.bergerie.agneau.org>
References: <200801071728.m07HSsFl030966@freefall.freebsd.org>
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Cc: freebsd-net@freebsd.org, remko@freebsd.org
Subject: Re: kern/119361: [bge] bge(4) transmit performance problem
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On Fri, Jan 11, 2008 at 10:02:34PM +0800, Sepherosa Ziehau wrote:
> On Jan 8, 2008 1:28 AM,  <remko@freebsd.org> wrote:
> > Synopsis: [bge] bge(4) transmit performance problem
> >
> > Responsible-Changed-From-To: freebsd-bugs->freebsd-net
> > Responsible-Changed-By: remko
> > Responsible-Changed-When: Mon Jan 7 17:28:37 UTC 2008
> > Responsible-Changed-Why:
> > reassign to -net team
> >
> > http://www.freebsd.org/cgi/query-pr.cgi?pr=119361
> 
> Have you tested polling(4)?  If polling could give you better TX
> performance, you should consider raise:
> in bge_attach()
> sc->bge_tx_max_coal_bds = 10;
> to 64 or more

I tested with polling and did not see any changes for the transmit
performance problem.

I just re-test with polling AND bge_tx_max_coal_bds raised to 64 => no
changes.

Regards,
-- 
Laurent Frigault