Re: Softirq priority inversion from "softirq: reduce latencies"
From: Eric Dumazet
Date: Mon Feb 29 2016 - 11:25:32 EST
On lun., 2016-02-29 at 07:58 -0800, Peter Hurley wrote:
> All that's happened is the first loop of NET_RX softirq has woken a
> process; that is sufficient to abort softirq and defer it for ksoftirqd.
> That's why I'm saying this is a priority inversion, and one that
> will happen a lot.
Sure. This will happen every time ksoftirqd is launched.
Get rid of ksoftirqd or renice it so that you can easily be killed by