linux-kernel - Re: RFC vmstat: On demand vmstat threads

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Message-ID: <000001414b58b5dd-f3b4dc76-8ec0-4694-b1f0-34e138a712a7-000000@email.amazonses.com>
Date:	Mon, 23 Sep 2013 15:03:27 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	Thomas Gleixner <tglx@...utronix.de>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Gilad Ben-Yossef <gilad@...yossef.com>,
	Tejun Heo <tj@...nel.org>, John Stultz <johnstul@...ibm.com>,
	Mike Frysinger <vapier@...too.org>,
	Minchan Kim <minchan.kim@...il.com>,
	Hakan Akkan <hakanakkan@...il.com>,
	Max Krasnyansky <maxk@...lcomm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Linux-MM <linux-mm@...ck.org>
Subject: Re: RFC vmstat: On demand vmstat threads

On Fri, 20 Sep 2013, Thomas Gleixner wrote:

> The whole delegation stuff is necessary not just for vmstat. We have
> the same issue for scheduler stats and other parts of the kernel, so
> we are better off in having a core facility to schedule such functions
> in consistency with the current full NOHZ state.

Ok how do I make use of such a facility? What is the status of work on
such a thing?


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