The copy of PAPI included in the tarball in https://github.com/EinsteinToolkit/ExternalLibraries-PAPI/tree/master/dist is 5.3 from ~2103. The newest release http://icl.utk.edu/papi/software/view.html?id=275 adds support for POWER cpus such as the ones used on Summit.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2341/update-papi-to-60-or-newer-release