Re: [PATCH RESEND v9 00/10] sched: consolidation of CPU capacity and usage

Peter Zijlstra
2015-02-20T11:34:53Z

On Thu, Feb 19, 2015 at 12:49:40PM +0000, Morten Rasmussen wrote:

> Also, it still not clear why patch 10 uses relative capacity reduction
> instead of absolute capacity available to CFS tasks.

As present in your asymmetric big and small systems? Yes it would be
unfortunate to migrate a task to an idle small core when the big core is
still faster, even if reduced by rt/irq work.