Re: [PATCH 4/4] sched/fair: Use a recently used CPU as an idle candidate and the basis for SIS

From: Mike Galbraith
Date: Tue Jan 30 2018 - 08:35:52 EST


On Tue, 2018-01-30 at 14:25 +0100, Peter Zijlstra wrote:
> On Tue, Jan 30, 2018 at 02:15:44PM +0100, Mike Galbraith wrote:
> > On Tue, 2018-01-30 at 12:57 +0000, Mel Gorman wrote:
> > > On Tue, Jan 30, 2018 at 12:50:54PM +0100, Peter Zijlstra wrote:
> > >
> > > > Mel, what hardware are you testing this on?
> > >
> > > The primary one was a single socket skylake machine with 8 threads (HT
> > > enabled).
> >
> > I took it for a spin in a 2 x Gold 6152 box.
>
> Can you translate that marketing speak for a simpleton like me? That's
> what we should've called SKL-EP, right?

Um um.. danged if I know.  It's SKL, w. 22 cores each + SMT.

-Mike