RE: Affinity managed interrupts vs non-managed interrupts

From: Kashyap Desai
Date: Tue Sep 11 2018 - 05:54:27 EST


>
> The point I don't get here is why you need separate reply queues for
> the interrupt coalesce setting. Shouldn't this just be a flag at
> submission time that indicates the amount of coalescing that should
> happen?
>
> What is the benefit of having different completion queues?

Having different set of queues (it will is something like N:16 where N
queues are without interrupt coalescing and 16 dedicated queues for
interrupt coalescing) we want to avoid penalty introduced by interrupt
coalescing especially for lower QD profiles.

Kashyap