Rajagopal Kunhappan wrote On 10/17/06 13:13,:
If the NIC is gldv3-based, you can enable soft rings. Set ip_squeue_fanout to 1, unplumb and plumb the interface back up again. That would configure soft rings. By default, 2 soft rings are used. Soft rings would spread the incoming load to 2 CPUs if 2 rings are
configured.

Is this only for interrupts, or does this apply to the stack as well. I understood there would be an squeue per CPU, and connections are 'bound' to an squeue. So stack processing would be distributed even if non-GLDv3 NICs are used?

On my simple test it was hard to tell. The x4100 was doing a lot of xcalls as well as interrupts, so it was difficult to see where the CPU cycles went.

Thanks
Steffen


-krgopi

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