From: Frederic Weisbecker <fweisbec@gmail.com>
To: Rik van Riel <riel@redhat.com>
Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de,
mingo@kernel.org, luto@amacapital.net, peterz@infradead.org,
clark@redhat.com, eric.dumazet@gmail.com
Subject: Re: [PATCH 0/4 v5] sched,time: reduce nohz_full syscall overhead 40%
Date: Tue, 9 Feb 2016 03:13:01 +0100 [thread overview]
Message-ID: <20160209021259.GA21654@lerouge> (raw)
In-Reply-To: <56B9038C.5050702@redhat.com>
On Mon, Feb 08, 2016 at 04:07:24PM -0500, Rik van Riel wrote:
> On 02/02/2016 12:19 PM, riel@redhat.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.
prev parent reply other threads:[~2016-02-09 2:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-02 17:19 [PATCH 0/4 v5] sched,time: reduce nohz_full syscall overhead 40% riel
2016-02-02 17:19 ` [PATCH 1/4] sched,time: remove non-power-of-two divides from __acct_update_integrals riel
2016-02-02 17:19 ` [PATCH 2/4] acct,time: change indentation in __acct_update_integrals riel
2016-02-02 17:19 ` [PATCH 3/4] time,acct: drop irq save & restore from __acct_update_integrals riel
2016-02-02 17:19 ` [PATCH 4/4] sched,time: only call account_{user,sys,guest,idle}_time once a jiffy riel
2016-02-09 17:11 ` Frederic Weisbecker
2016-02-09 18:13 ` Rik van Riel
2016-02-09 21:20 ` Rik van Riel
2016-02-08 21:07 ` [PATCH 0/4 v5] sched,time: reduce nohz_full syscall overhead 40% Rik van Riel
2016-02-09 2:13 ` Frederic Weisbecker [this message]
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