Re: sendto syscall is slow

From: Francois Romieu (romieu@cogenit.fr)
Date: Tue Oct 16 2001 - 10:59:08 EST

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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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