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Date: Tue, 10 Oct 2017 19:26:48 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>,
        Rik van Riel <riel@redhat.com>,
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        "KVM-ML (kvm@vger.kernel.org)" <kvm@vger.kernel.org>,
        vcaputo@pengaru.com, Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Subject: Re: sysbench throughput degradation in 4.13+
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* Peter Zijlstra <peterz@infradead.org> wrote:

> 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 :-)

I admit that time machines are really handy!

Thanks,

	Ingo