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Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and SPECjvm2008 benchmarks against 4.6 kernel

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and SPECjvm2008 benchmarks against 4.6 kernel
Date 2016-06-24 14:40 +0200
Message-ID <rNyyR-82N-7@gated-at.bofh.it> (permalink)
References (3 earlier) <rNhHH-5Aq-13@gated-at.bofh.it> <rNhRn-5Ej-5@gated-at.bofh.it> <rNu2d-5cW-7@gated-at.bofh.it> <rNy5P-7Tc-5@gated-at.bofh.it> <rNy5P-7Tc-3@gated-at.bofh.it>
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On Fri, Jun 24, 2016 at 02:09:30PM +0200, Jirka Hladky wrote:
> Thank you Peter!
> 
> Should I apply it to v4.7-rc4 ?

It does indeed apply to v4.7-rc4, although I only tested it against
tip/master.

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Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Peter Zijlstra <peterz@infradead.org> - 2016-06-23 20:40 +0200
  Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Peter Zijlstra <peterz@infradead.org> - 2016-06-23 20:50 +0200
    Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Jirka Hladky <jhladky@redhat.com> - 2016-06-24 09:50 +0200
      Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Peter Zijlstra <peterz@infradead.org> - 2016-06-24 10:10 +0200
        Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Jirka Hladky <jhladky@redhat.com> - 2016-06-24 10:30 +0200
      Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Jirka Hladky <jhladky@redhat.com> - 2016-06-24 14:10 +0200
        Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Jirka Hladky <jhladky@redhat.com> - 2016-06-24 14:40 +0200
        Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Peter Zijlstra <peterz@infradead.org> - 2016-06-24 14:40 +0200
      Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Peter Zijlstra <peterz@infradead.org> - 2016-06-24 14:10 +0200
        Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Vincent Guittot <vincent.guittot@linaro.org> - 2016-06-24 14:50 +0200
          Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Peter Zijlstra <peterz@infradead.org> - 2016-06-24 15:10 +0200
            Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Vincent Guittot <vincent.guittot@linaro.org> - 2016-06-24 15:30 +0200
              Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Peter Zijlstra <peterz@infradead.org> - 2016-06-24 15:40 +0200
              Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Peter Zijlstra <peterz@infradead.org> - 2016-06-24 15:50 +0200
          Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Jirka Hladky <jhladky@redhat.com> - 2016-06-24 15:10 +0200
          Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Peter Zijlstra <peterz@infradead.org> - 2016-06-24 15:50 +0200
            Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Peter Zijlstra <peterz@infradead.org> - 2016-06-24 18:00 +0200
              Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks against 4.6 kernel Jirka Hladky <jhladky@redhat.com> - 2016-06-25 00:20 +0200

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