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Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level
Date 2016-06-13 13:40 +0200
Message-ID <rJynL-5Ep-13@gated-at.bofh.it> (permalink)
References <rHHER-6Fd-17@gated-at.bofh.it> <rHHOy-6Iz-21@gated-at.bofh.it> <rJxUJ-5uh-1@gated-at.bofh.it> <rJye5-5AU-3@gated-at.bofh.it>
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On Mon, Jun 13, 2016 at 01:25:53PM +0200, Heiko Carstens wrote:
> On Mon, Jun 13, 2016 at 01:06:21PM +0200, Peter Zijlstra wrote:
> > On Wed, Jun 08, 2016 at 11:09:16AM +0200, Heiko Carstens wrote:
> > > The z13 machine added a fourth level to the cpu topology
> > > information. The new top level is called drawer.
> > > 
> > > A drawer contains two books, which used to be the top level.
> > > 
> > > Adding this additional scheduling domain did show performance
> > > improvements for some workloads of up to 8%, while there don't
> > > seem to be any workloads impacted in a negative way.
> > 
> > Right; so no objection.
> > 
> > Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> 
> May I add your ACK also to the sysfs patch?

Not really my area, nor something I've ever looked hard at, but the
patch seems to have the right shape, so sure ;-)

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Thread

Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level Peter Zijlstra <peterz@infradead.org> - 2016-06-13 13:10 +0200
  Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level Heiko Carstens <heiko.carstens@de.ibm.com> - 2016-06-13 13:30 +0200
    Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level Peter Zijlstra <peterz@infradead.org> - 2016-06-13 13:40 +0200
  Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level Heiko Carstens <heiko.carstens@de.ibm.com> - 2016-06-13 14:30 +0200
    Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level Peter Zijlstra <peterz@infradead.org> - 2016-06-13 15:10 +0200
      Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level Martin Schwidefsky <schwidefsky@de.ibm.com> - 2016-06-13 15:30 +0200
        Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level Peter Zijlstra <peterz@infradead.org> - 2016-06-13 16:00 +0200
          Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level Martin Schwidefsky <schwidefsky@de.ibm.com> - 2016-06-13 16:40 +0200

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