linux-kernel - Re: 3.10.0: Full dynticks = high load

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Date:	Mon, 15 Jul 2013 15:50:49 -0300
From:	Dâniel Fraga <fragabr@...il.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Mike Galbraith <bitbucket@...ine.de>, linux-kernel@...r.kernel.org
Subject: Re: 3.10.0: Full dynticks = high load

On Mon, 15 Jul 2013 17:01:35 +0200
Frederic Weisbecker <fweisbec@...il.com> wrote:

> On Mon, Jul 15, 2013 at 11:51:18AM -0300, Dâniel Fraga wrote:
> > 	The problem is that when we use the new Full dynticks option
> > form kernel 3.10.0, the load will go high, always above 1. Bug?
> 
> You mean this is the result that the "uptime" command gives you? And
> your system is doing something? Or is it mostly idle?

	It is idle, but the load remains high all the time. Going back
to the "Idle dynticks system (tickless idle)" solves the problem.

	So the issue is with the new Full dynticks.

-- 
Linux 3.10.0: Unicycling Gorilla
http://www.youtube.com/DanielFragaBR
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