Re: [E1000-devel] CPU load balancing/distribution with 82576 and igb

[Williams, M. A <mit...@in...>]

>What I'm seeing: All of the interrupts are landing on CPU0 and using  
>up too much time for my liking. I'd like to spread the interrupts  
>around some more, isn't this what having multiple queues is for? The  
>userland irqbalance is disabled for now, as I thought the 
>hardware and  
>driver were supposed to distribute things.

You need to use the irqbalance daemon.  The hardware balances traffic
across receive queues; the irqbalancer balances queues across CPUs.

Make sure you have a current irqbalancer from http://irqbalance.org.
The older versions don't handle MSI-X very well.

-Mitch