linux-kernel - Re: [PATCH 0/4 v5] sched,time: reduce nohz

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Message-ID: <20160209021259.GA21654@lerouge>
Date:	Tue, 9 Feb 2016 03:13:01 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Rik van Riel <riel@...hat.com>
Cc:	linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...nel.org,
	luto@...capital.net, peterz@...radead.org, clark@...hat.com,
	eric.dumazet@...il.com
Subject: Re: [PATCH 0/4 v5] sched,time: reduce nohz_full syscall overhead 40%

On Mon, Feb 08, 2016 at 04:07:24PM -0500, Rik van Riel wrote:
> On 02/02/2016 12:19 PM, riel@...hat.com 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.