linux-kernel - Re: [RFC PATCH 00/13] nohz: Use sysidle detection to let the timekeeper sleep

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Message-ID: <20131218141855.GO19211@linux.vnet.ibm.com>
Date:	Wed, 18 Dec 2013 06:18:55 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Alex Shi <alex.shi@...aro.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	John Stultz <john.stultz@...aro.org>,
	Kevin Hilman <khilman@...aro.org>
Subject: Re: [RFC PATCH 00/13] nohz: Use sysidle detection to let the
 timekeeper sleep

On Wed, Dec 18, 2013 at 11:19:12AM +0100, Peter Zijlstra wrote:
> On Wed, Dec 18, 2013 at 10:04:43AM +0800, Alex Shi wrote:
> > On 12/18/2013 06:51 AM, Frederic Weisbecker wrote:
> > Thanks Fredic!
> > It is much better on powersaving POV compare to current nohz_full. :)
> 
> If you're using nohz_full for powersaving, you're doing it wrong.

They just want nohz_full not to totally break powersavings when the
entire system is idle.  ;-)

							Thanx, Paul

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