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

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Message-ID: <20130712065227.GC1985@fancy-poultry.org>
Date:	Fri, 12 Jul 2013 08:52:27 +0200
From:	Heinz Diehl <htd@...cy-poultry.org>
To:	linux-kernel@...r.kernel.org
Subject: Re: 3.10.0: Full dynticks = high load

On 11.07.2013, Dâniel Fraga wrote: 

> 	I upgraded to kernel 3.10.0 and decided to try the new "Full
> dynticks system (tickless)" option, but now the system load is always
> at 1 or above.
> 
> 	Using the previous "Idle dynticks system (tickless idle)" solves
> the problem, so it seems the new Full dynticks code is causing this.
> 

This describes exactly what I have encountered, and "tickless idle"
fixed it for me, too. So I'll second that.

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