Re: sysbench throughput degradation in 4.13+

From: Peter Zijlstra
Date: Tue Oct 10 2017 - 11:16:32 EST


On Tue, Oct 10, 2017 at 03:51:37PM +0100, Matt Fleming wrote:
> On Fri, 06 Oct, at 11:36:23AM, Matt Fleming wrote:
> >
> > It's a similar story for hackbench-threads-{pipes,sockets}, i.e. pipes
> > regress but performance is restored for sockets.
> >
> > Of course, like a dope, I forgot to re-run netperf with your WA_WEIGHT
> > patch. So I've queued that up now and it should be done by tomorrow.
>
> Yeah, netperf results look fine for either your NO_WA_WEIGHT or
> WA_WEIGHT patch.
>
> Any ETA on when this is going to tip?

Just hit a few hours ago :-)