Date: Tue, 15 Jan 2008 08:56:36 +0800 From: "Sepherosa Ziehau" <sepherosa@gmail.com> To: "Laurent Frigault" <lfrigault@agneau.org> Cc: freebsd-net@freebsd.org, remko@freebsd.org Subject: Re: kern/119361: [bge] bge(4) transmit performance problem Message-ID: <ea7b9c170801141656j5e8371fcqf1f2e5fc895df638@mail.gmail.com> In-Reply-To: <20080114160756.GA7716@obelix.bergerie.agneau.org> References: <200801071728.m07HSsFl030966@freefall.freebsd.org> <ea7b9c170801110602q4abb010ayda7947205b47fe4e@mail.gmail.com> <20080114160756.GA7716@obelix.bergerie.agneau.org>
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On Jan 15, 2008 12:07 AM, Laurent Frigault <lfrigault@agneau.org> wrote: > 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. Please test following patch: http://people.freebsd.org/~sephe/if_bge.c.6.diff Best Regards, sephe -- Live Free or Die
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