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Date: Tue, 16 Oct 2001 17:59:08 +0200
From: Francois Romieu <romieu@cogenit.fr>
To: Martin Devera <devik@cdi.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: sendto syscall is slow
Message-ID: <20011016175908.A2258@se1.cogenit.fr>
In-Reply-To: <Pine.LNX.4.33.0110151105400.22170-100000@shell1.aracnet.com> <Pine.LNX.4.10.10110161438140.13894-100000@luxik.cdi.cz>
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Martin Devera <devik@cdi.cz> :
[sendto/recv profile]
> Is there any faster way to force raw packets to kernel ? I need
> to push qos discipline to its edge but I can't because send
> syscall is bottleneck.
> Is it possible to tx multiple packets in sinhle call or should
> I extend kernel myself for this testing purpose ?

Do you have the same profile for sendto when Rx/Tx isn't short 
connected ?
You may consider polling for Tx/Rx completion in the Tx path at the
driver level. If your cpu isn't too much powered it will make
a difference.

-- 
Ueimor
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