Re: [PATCH 7/7 v3] sched: fix wrong utilization accounting when switching to fair class

From: Peter Zijlstra
Date: Thu Sep 22 2016 - 04:34:11 EST


On Tue, Sep 20, 2016 at 09:59:08AM -0700, bsegall@xxxxxxxxxx wrote:
> Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes:
> > Google has this patch-set replacing min_vruntime with an actual global
> > 0-lag, which greatly simplifies things. If only they'd post it sometime
> > :/ /me prods pjt and ben with a sharp stick :-)
> >
>
> No, we don't have any patches like that. I wish, we've screwed up
> vruntime a couple of times too.

Hurm, I was sure you guys were doing something entirely different from
what mainline does.

IIRC Andrew Hunter was 'working' on getting that posted. See also:
lkml.kernel.org/r/CADroS=6Ncpao6WWXBxboB6quqUP96EnjbsDUZqNgASd_PzDGaA@xxxxxxxxxxxxxx