Kritias [1] filed a orphan request for libpfm4 [2]:
The maintainer hasn't updated the package for more than two years.
[1] https://aur.archlinux.org/account/Kritias/ [2] https://aur.archlinux.org/pkgbase/libpfm4/
Request #13328 has been accepted automatically by the Arch User Repository package request system:
The package base has been flagged out-of-date since 2017-06-02.
aur-requests@lists.archlinux.org