Multiqueue support, igb

[Adrian Minta]

On 03/08/12 14:47, Ivan Voras wrote:
> Hello,
>
> What is the current state of support for multithreaded TCP processing in
> CURRENT? If a NIC supports multiple queues, will they be used
> automatically or net.isr.numthreads needs to be increased?
>
> I have this situation on a machine with an igb card:
>
> irq256: igb0:que 0                103573         11
> irq257: igb0:que 1                 10094          1
> irq258: igb0:que 2                 18231          2
> irq259: igb0:que 3                 18186          2
>
> This looks like the first queue is used ~~ 10x more often than the
> others. Is this a problem?
>
>
I believe that the card do internally some sort of ether-channel. This 
may explain your findings.

-- 
Best regards,
Adrian Minta