Re: [PATCH 0/4 v5] sched,time: reduce nohz_full syscall overhead 40%

From: Frederic Weisbecker
Date: Mon Feb 08 2016 - 21:13:10 EST


On Mon, Feb 08, 2016 at 04:07:24PM -0500, Rik van Riel wrote:
> On 02/02/2016 12:19 PM, riel@xxxxxxxxxx wrote:
> > (v5: address comments by Frederic & Peter, fix bug found by Eric)
> >
> > Running with nohz_full introduces a fair amount of overhead.
> > Specifically, various things that are usually done from the
> > timer interrupt are now done at syscall, irq, and guest
> > entry and exit times.
>
> It looks like nobody has objections to my v5
> series.
>
> Is there anything else I need to do before these
> patches can get merged?

Sorry for the delay, I'm going to review and respond to it tomorrow.

>
> Also, who is going to merge these patches into
> their tree?
>
> Frederic? Thomas? Ingo?

Eventually I think this should go through Peterz/Ingo as it's scheduler code.

Thanks.