linux-kernel - Re: vmstat: On demand vmstat workers V3

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Message-ID: <alpine.DEB.2.10.1404220838090.4299@gentwo.org>
Date:	Tue, 22 Apr 2014 08:38:38 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Gilad Ben-Yossef <gilad@...yossef.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	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>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-mm@...ck.org
Subject: Re: vmstat: On demand vmstat workers V3

On Tue, 22 Apr 2014, Viresh Kumar wrote:

> On Thu, Oct 3, 2013 at 11:10 PM, Christoph Lameter <cl@...ux.com> wrote:
> > V2->V3:
> > - Introduce a new tick_get_housekeeping_cpu() function. Not sure
> >   if that is exactly what we want but it is a start. Thomas?
> > - Migrate the shepherd task if the output of
> >   tick_get_housekeeping_cpu() changes.
> > - Fixes recommended by Andrew.
>
> This vmstat interrupt is disturbing my core isolation :), have you got
> any far with this patchset?

Sorry no too much other stuff. Would be glad if you could improve on it.
Should have some time on Friday to look at it.

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