Date: Mon, 14 Jan 2008 17:07:56 +0100 From: Laurent Frigault <lfrigault@agneau.org> To: Sepherosa Ziehau <sepherosa@gmail.com> Cc: freebsd-net@freebsd.org, remko@freebsd.org Subject: Re: kern/119361: [bge] bge(4) transmit performance problem Message-ID: <20080114160756.GA7716@obelix.bergerie.agneau.org> In-Reply-To: <ea7b9c170801110602q4abb010ayda7947205b47fe4e@mail.gmail.com> References: <200801071728.m07HSsFl030966@freefall.freebsd.org> <ea7b9c170801110602q4abb010ayda7947205b47fe4e@mail.gmail.com>
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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
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