Subject: Re: EEVDF/vhost regression (bisected to 86bfbb7ce4f6 sched/fair: Add lag based placement)

From: "Michael S. Tsirkin" <[email-masked]>
Date: Tue, 19 Mar 2024 04:29:33 -0400

On Tue, Mar 19, 2024 at 09:21:06AM +0100, Tobias Huschle wrote:
> On 2024-03-15 11:31, Michael S. Tsirkin wrote:
> > On Fri, Mar 15, 2024 at 09:33:49AM +0100, Tobias Huschle wrote:
> > > On Thu, Mar 14, 2024 at 11:09:25AM -0400, Michael S. Tsirkin wrote:
> > > >
> > 
> > Could you remind me pls, what is the kworker doing specifically that
> > vhost is relying on?
> 
> The kworker is handling the actual data moving in memory if I'm not
> mistaking.

I think that is the vhost process itself. Maybe you mean the
guest thread versus the vhost thread then?