Re: Strange behavior of perf top with PEBS

From	Peter Zijlstra <peterz@infradead.org>
Newsgroups	linux.kernel
Subject	Re: Strange behavior of perf top with PEBS
Date	2016-08-08 15:10 +0200
Message-ID	<s3StA-1Oa-19@gated-at.bofh.it> (permalink)
References	(2 earlier) <rX0Pf-2Cz-21@gated-at.bofh.it> <rZ8Sm-1mU-5@gated-at.bofh.it> <s2sUy-2Lw-31@gated-at.bofh.it> <s2JLH-5EJ-9@gated-at.bofh.it> <s2Ky6-6dg-13@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Fri, Aug 05, 2016 at 12:23:20PM +0200, Jiri Olsa wrote:
> On Fri, Aug 05, 2016 at 12:30:32PM +0300, Nikolay Borisov wrote:
> > 
> > 
> > On 08/04/2016 06:29 PM, Jiri Olsa wrote:
> > > On Tue, Jul 26, 2016 at 02:30:46PM +0300, Nikolay Borisov wrote:
> > [SNIP]
> > > 
> > > sorry for late response..
> > > 
> > > I checked on f22 kernel and it's missing the core2 PEBs fix:
> > >   1424a09a9e18 perf/x86: fix PEBS issues on Intel Atom/Core2
> > > 
> > > which was introduced in 4.5.. you should upgrade or include
> > > this patch
> > > 
> > 
> > Thanks for the reply. Isn't this supposed to be tagged as stable since
> > it essentially breaks the default invocation of perf top?
> 
> yep, it seems like good one to have in stable, Peter?

Greg, could you pick:

  1424a09a9e18 ("perf/x86: fix PEBS issues on Intel Atom/Core2")

Into 4.4-stable ?

Thread

Re: Strange behavior of perf top with PEBS Nikolay Borisov <kernel@kyup.com> - 2016-07-26 13:40 +0200
  Re: Strange behavior of perf top with PEBS Jiri Olsa <jolsa@redhat.com> - 2016-08-04 17:40 +0200
    Re: Strange behavior of perf top with PEBS Nikolay Borisov <kernel@kyup.com> - 2016-08-05 11:40 +0200
      Re: Strange behavior of perf top with PEBS Jiri Olsa <jolsa@redhat.com> - 2016-08-05 12:30 +0200
        Re: Strange behavior of perf top with PEBS Peter Zijlstra <peterz@infradead.org> - 2016-08-08 15:10 +0200
          Re: Strange behavior of perf top with PEBS Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-08 15:20 +0200

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