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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160209021259.GA21654@lerouge \
--to=fweisbec@gmail.com \
--cc=clark@redhat.com \
--cc=eric.dumazet@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=mingo@kernel.org \
--cc=peterz@infradead.org \
--cc=riel@redhat.com \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.