From: Christoph Lameter <cl@linux.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Gilad Ben-Yossef <gilad@benyossef.com>, Tejun Heo <tj@kernel.org>,
John Stultz <johnstul@us.ibm.com>,
Mike Frysinger <vapier@gentoo.org>,
Minchan Kim <minchan.kim@gmail.com>,
Hakan Akkan <hakanakkan@gmail.com>,
Max Krasnyansky <maxk@qualcomm.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Linux-MM <linux-mm@kvack.org>
Subject: Re: RFC vmstat: On demand vmstat threads
Date: Thu, 19 Sep 2013 18:58:25 +0000 [thread overview]
Message-ID: <000001413796641f-017482d3-1194-499b-8f2a-d7686c1ae61f-000000@email.amazonses.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1309190033440.4089@ionos.tec.linutronix.de>
On Thu, 19 Sep 2013, Thomas Gleixner wrote:
> The vmstat accounting is not the only thing which we want to delegate
> to dedicated core(s) for the full NOHZ mode.
>
> So instead of playing broken games with explicitly not exposed core
> code variables, we should implement a core code facility which is
> aware of the NOHZ details and provides a sane way to delegate stuff to
> a certain subset of CPUs.
I would be happy to use such a facility. Otherwise I would just be adding
yet another kernel option or boot parameter I guess.
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next prev parent reply other threads:[~2013-09-19 18:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-04 16:48 Christoph Lameter
2013-09-10 6:15 ` Gilad Ben-Yossef
2013-09-10 21:13 ` Christoph Lameter
2013-09-18 22:06 ` Andrew Morton
2013-09-18 22:57 ` Thomas Gleixner
2013-09-19 18:58 ` Christoph Lameter [this message]
2013-09-20 10:41 ` Thomas Gleixner
2013-09-20 16:42 ` Frederic Weisbecker
2013-09-20 21:03 ` Thomas Gleixner
2013-09-23 15:10 ` Christoph Lameter
2013-09-23 15:03 ` Christoph Lameter
2013-09-19 16:54 ` Gilad Ben-Yossef
2013-09-19 21:42 ` Gilad Ben-Yossef
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