Re: [PATCH v2 1/2] sched/fair: Fix how load gets propagated from cfs_rq to its sched_entity

From: Peter Zijlstra
Date: Thu May 04 2017 - 01:51:59 EST

On Wed, May 03, 2017 at 05:45:46PM -0400, Tejun Heo wrote:

> FUDGE2: Changes things a lot (load values go wild) but only because
> it's missing scale_load_down(). After adding
> scale_load_down(), it doesn't do much. For this to work, it
> needs to be always propagated, which btw shouldn't be
> prohibitively expensive given other operations which are
> performed at the same time.

Urgh, and my numbers were so pretty :/

Maybe I need to wake up, but I'm not immediately seeing where the
scale_load_down() went missing for FUDGE2.

FUDGE does indeed appear to have one missing.