Re: [PATCH] nohz1: Documentation

[Arjan van de Ven]

On 3/21/2013 10:18 AM, Paul E. McKenney wrote:
> 	o	Use the "idle=poll" boot parameter.  However, please note
> 		that use of this parameter can cause your CPU to overheat,
> 		which may cause thermal throttling to degrade your
> 		latencies --and that this degradation can be even worse
> 		than that of dyntick-idle.

it also disables (effectively) Turbo Mode on Intel cpus... which can cost you a serious percentage of performance
--
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/