Re: 3.10.0: Full dynticks = high load

From: DÃniel Fraga
Date: Mon Jul 15 2013 - 14:50:59 EST


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

> On Mon, Jul 15, 2013 at 11:51:18AM -0300, DÃniel 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.

--
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