Re: irq balancing question
From: Gergely Imre
Date: Fri Feb 23 2007 - 15:57:37 EST
Arjan van de Ven wrote:
>> and i guess it doesn't matter if the distribution is being done by the
>> hardware, from the point of view of the kernel, i would still get the
>> performance penalty.
> for the cache bouncing you save assuming you have an Intel cpu (eg one
> where the cache is shared). You don't save on the cross-cpu reassembly,
> that is an entire different algorithm path you hit there..
>> i'm just trying to figure it out, i have no real knowledge of the inner
>> kernel workings, so i dont know. but i really would like to use all 4 cores.
>> just how expensive is that reassembly path ?
> depends on your traffic to be honest, probably a question more suited
> for net-dev list.
i'll look into it, thanks a lot for the comments.
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