Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status on HSW

From	Stephane Eranian <eranian@google.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status on HSW
Date	2016-03-08 22:20 +0100
Message-ID	<raxcR-6uj-5@gated-at.bofh.it> (permalink)
References	(5 earlier) <ra2iK-2IY-19@gated-at.bofh.it> <ra84N-6rV-1@gated-at.bofh.it> <ra9WX-7Gx-23@gated-at.bofh.it> <rax3b-6qY-1@gated-at.bofh.it> <rax3c-6qY-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hi,

On Tue, Mar 8, 2016 at 1:07 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> On Tue, Mar 08, 2016 at 12:59:23PM -0800, Stephane Eranian wrote:
>> hi,
>>
>> On Mon, Mar 7, 2016 at 12:25 PM, Peter Zijlstra <peterz@infradead.org> wrote:
>> >
>> > On Mon, Mar 07, 2016 at 07:27:31PM +0100, Jiri Olsa wrote:
>> > > On Mon, Mar 07, 2016 at 01:18:40PM +0100, Peter Zijlstra wrote:
>> > > > On Mon, Mar 07, 2016 at 11:24:13AM +0100, Peter Zijlstra wrote:
>> > > >
>> > > > > I suspect Andi is having something along:
>> > > > >
>> > > > >  lkml.kernel.org/r/1445458568-16956-1-git-send-email-andi@firstfloor.org
>> > > > >
>> > > > > applied to his tree.
>> > > >
>> > > > OK, I munged a bunch of patches together, please have a hard look at the
>> > > > end result found in:
>> > > >
>> > > >   git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/core
>> > > >
>>
>> I ran this kernel on Haswell. Even with Andi's fixes the problem I identified is
>> still there, so my patch is still needed.
>
> Right, your patch should be included in that kernel, or did I make a
> royal mess of things?
>
No, it is as expected for the OVF PMI fix.

> I put Andi's late status ack on top of your patch.
>
> Also note, Ingo merged most of those patches today, all except the top
> 3, because Andi wanted to double check something.

Ok. I will try on SKL today.

Thread

Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Peter Zijlstra <peterz@infradead.org> - 2016-03-07 11:30 +0100
  Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Peter Zijlstra <peterz@infradead.org> - 2016-03-07 13:20 +0100
    Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Jiri Olsa <jolsa@redhat.com> - 2016-03-07 19:30 +0100
      Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Peter Zijlstra <peterz@infradead.org> - 2016-03-07 21:30 +0100
        Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Stephane Eranian <eranian@google.com> - 2016-03-08 22:10 +0100
          Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Peter Zijlstra <peterz@infradead.org> - 2016-03-08 22:10 +0100
            Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Stephane Eranian <eranian@google.com> - 2016-03-08 22:20 +0100
              Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Stephane Eranian <eranian@google.com> - 2016-03-09 06:40 +0100
                Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Stephane Eranian <eranian@google.com> - 2016-03-09 06:50 +0100
                Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Stephane Eranian <eranian@google.com> - 2016-03-09 18:50 +0100
                Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Peter Zijlstra <peterz@infradead.org> - 2016-03-10 11:50 +0100
    Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Peter Zijlstra <peterz@infradead.org> - 2016-03-10 15:00 +0100
      Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status  on HSW Stephane Eranian <eranian@google.com> - 2016-03-10 17:20 +0100

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