Re: 3.10.0: Full dynticks = high load

From: Heinz Diehl
Date: Fri Jul 12 2013 - 02:52:34 EST


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.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/