Re: [PATCH net-next] net/core: add optional threading for backlog processing

From: Jakub Kicinski
Date: Fri Mar 24 2023 - 13:20:46 EST


On Fri, 24 Mar 2023 18:13:14 +0100 Felix Fietkau wrote:
> When dealing with few flows or an imbalance on CPU utilization, static RPS
> CPU assignment can be too inflexible. Add support for enabling threaded NAPI
> for backlog processing in order to allow the scheduler to better balance
> processing. This helps better spread the load across idle CPUs.

Can you explain the use case a little bit more?