Re: [PATCH v2 2/3] sched/fair: Move hot load_avg into its own cacheline

Mike Galbraith
2015-12-04T02:08:02Z

On Thu, 2015-12-03 at 14:34 -0500, Waiman Long wrote:
> On 12/02/2015 11:32 PM, Mike Galbraith wrote:

> > Is that with the box booted skew_tick=1?

> I haven't tried that kernel parameter. I will try it to see if it can
> improve the situation. BTW, will there be other undesirable side effects
> of using this other than the increased power consumption as said in the
> kernel-parameters.txt file?

Not that are known. I kinda doubt you'd notice the power, but you
should see a notable performance boost. Who knows, with a big enough
farm of busy big boxen, it may save power by needing fewer of them.

-Mike