linux-kernel - Re: [RFC][PATCH 00/32] Nohz cpusets v2 (adaptive tickless kernel)

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Message-ID: <1332861025.16159.236.camel@twins>
Date:	Tue, 27 Mar 2012 17:10:25 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Gilad Ben-Yossef <gilad@...yossef.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linaro-sched-sig@...ts.linaro.org,
	Alessio Igor Bogani <abogani@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Avi Kivity <avi@...hat.com>,
	Chris Metcalf <cmetcalf@...era.com>,
	Christoph Lameter <cl@...ux.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Geoff Levand <geoff@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Max Krasnyansky <maxk@...lcomm.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Sven-Thorsten Dietrich <thebigcorporation@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Zen Lin <zen@...nhuawei.org>
Subject: Re: [RFC][PATCH 00/32] Nohz cpusets v2 (adaptive tickless kernel)

On Tue, 2012-03-27 at 17:02 +0200, Gilad Ben-Yossef wrote:
> 
> In my case, I also had to disable the clocksource watchdog, but only
> because TSC is not stable on my VM.
> This is really not a nohz/cpuset problem. 

No but that thing is annoying, I ran afoul of it too the other day.

Thomas, would you object to a means of turning that thing off? And if
not, do you have a preference as to what particular means
(sysctl/sysfs/etc..) ?
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