two NIC on 2 core system (scheduling problem)

[Vlad GALU]

On Tue, Oct 28, 2008 at 12:42 PM, Ivan Voras <ivoras at freebsd.org> wrote:
> Bartosz Giza wrote:
>
>> Another question is why em0 taskq is eating so much cpu ? BGE interface is
>> actually one that pushes 2 times more packets than em0 and it uses about
>> half cpu comparing to em0. Is that not strange ?
>> Could someone tell my why is this happening ? BGE is faster ? or maybe i can
>> tune some
>
> I have the same problem - em0 taskq eating incredible amounts of CPU. If
> you find a solution, contact me!
>
>
>

Could this be related to the different interrupt handling models?
em(4) uses FILTER, the others use ITHREAD.


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