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SubjectRe: sendto syscall is slow
> Martin Devera <devik@cdi.cz> :
> [...]
> > Are you speaking about rewriting nic driver ? Like try to drain
> > waiting packet from nic's memory while enqueuing new one ?
>
> Partly: simply disabling Rx/Tx interrupt and checking for ack
> in buffers descriptor during hard_start_xmit. The profile for
> loopback shows your problem is not here however. :o(

I just found that PF_SOCKET can be mmaped to improve reads.
Only I can't found docs how to use the functionality ..

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