Re: [Perfctr-devel] [ptools-perfapi] New release of libpfm for papi-7.0.1?

[Stephane E. <er...@go...>]

Will,

I pushed libpfm-4.13.0.tar.gz on the website.
Hope it helps.


On Wed, Mar 15, 2023 at 7:43 AM William Cohen <wc...@re...> wrote:

> On 3/15/23 00:25, 'Stephane Eranian' via ptools-perfapi wrote:
> > Hi Will,
> >
> >
> > On Mon, Mar 13, 2023 at 7:28 PM William Cohen <wc...@re...
> <mailto:wc...@re...>> wrote:
> >
> >     Hi,
> >
> >     I was taking a look at putting the new papi-7.0.1 into Fedora
> rawhide, https://bugzilla.redhat.com/show_bug.cgi?id=2177906 <
> https://bugzilla.redhat.com/show_bug.cgi?id=2177906> .  Fedora build a
> separate version of libpfm rpms rather than using the libpfm source bundled
> with papi.  PAPI-7.0.1 is dependent on the following patch in the libpfm
> git repo that are not in a released version of libpfm which updates the
> data struct to match newer kernel.
> >
> >     commit 8c606bc2f2d186c2797d9f013283c9150f594f93
> >     Author: Masahiko, Yamada <yam...@fu... <mailto:
> yam...@fu...>>
> >     Date:   Tue Sep 20 14:04:31 2022 +0900
> >
> >         update perf_event.h to Linux 5.18
> >
> >         The perf_events interface for directly accessing PMU registers
> >         from userspace for arm64 has been formally implemented in the
> >         kernel v5.18.
> >
> >         Update perf_event.h header used to build perf_event based
> examples.
> >
> >         Signed-off-by: Masahiko Yamada <yam...@fu...
> <mailto:yam...@fu...>>
> >
> >     Would it be possible to have an updated version of libpfm
> releasedr?  The alternative would be to build a version of libpfm with the
> patch in Fedora to allow papi-7.0.1 to build, but having a libpfm with all
> recent patches would be cleaner.
> >
> > I can make a new release but I am not sure I understand why it will
> solve your problem.
> > Thanks.
>
> Hi,
>
> I made a patched version of libpfm in Fedora rawhide for papi-7.0.1 to
> work around the lack of a release of libpfm with commit
> 8c606bc2f2d186c2797d9f013283c9150f594f93 (*).  Having a release of libpfm
> was to make make it easier to describe the requireents for building
> papi-7.0.1 with an external libpfm library.
>
> Thanks,
>
> -Will
>
> * libpfm with patch
> https://koji.fedoraproject.org/koji/buildinfo?buildID=2169815
>   papi-7.0.1 built with that libpfm,
> https://koji.fedoraproject.org/koji/buildinfo?buildID=2170338
> >
> >
> >     Thanks,
> >
> >     -Will
> >
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