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

[William C. <wc...@re...>]

On 3/28/23 20:53, Stephane Eranian wrote:
> Will,
> 
> I pushed libpfm-4.13.0.tar.gz on the website.
> Hope it helps.

Hi Stephane,

Thanks so much for libpfm-4.13.0 release.  I have updated the fedora rawhide libpfm and papi rpms to make use of it.

libpfm-4.13.0 https://koji.fedoraproject.org/koji/buildinfo?buildID=2177712
papi-7.0.1 https://koji.fedoraproject.org/koji/taskinfo?taskID=99281423

-Will

> 
> 
> On Wed, Mar 15, 2023 at 7:43 AM William Cohen <wc...@re... <mailto: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...> <mailto: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> <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...> <mailto: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...> <mailto: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 <https://koji.fedoraproject.org/koji/buildinfo?buildID=2169815>
>       papi-7.0.1 built with that libpfm, https://koji.fedoraproject.org/koji/buildinfo?buildID=2170338 <https://koji.fedoraproject.org/koji/buildinfo?buildID=2170338>
>     >  
>     >
>     >     Thanks,
>     >
>     >     -Will
>     >
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