Re: APIC seems not working under high network load

[Jia Rao <rickenrao@xxxxxxxxx>]

> With your kernel, one way to help this cpu exit from softirq is using
> RPS (Receive Packet Steering), since packets will be spreaded on several
> cpus. Then, later hardware IRQ might be spreaded on other cpus as well.
>
> for n in `seq 0 7`
> do
>  echo ff >/sys/class/net/eth0/queues/rx-$n/rps_cpus
> done
It seems that my NIC only have one queue: rx-0. Is there a work around
for this ?
As for the softirq, is it possible migrating the softirq to other
cores through CPU load balancing ?

Thanks !
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