lkml.org 
[lkml]   [2023]   [Mar]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH net-next v2] net/core: add optional threading for backlog processing
On Tue, 28 Mar 2023 21:59:25 +0200 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 share some numbers vs a system where RPS only spreads to
the cores which are not running NAPI?

IMHO you're putting a lot of faith in the scheduler and you need
to show that it actually does what you say it will do.

\
 
 \ /
  Last update: 2023-03-29 01:17    [W:0.079 / U:0.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site