reproduce:
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch tip perf/core
        git checkout tip/perf/core
        b4 shazam https://lore.kernel.org/r/a813c21ee60cd03df02b33bfa92515b659863bf7.1724104248.git.scclevenger@os.amperecomputing.com
        make W=1 O=/tmp/kselftest headers
        make W=1 O=/tmp/kselftest -C tools/testing/selftests
        make W=1 O=/tmp/kselftest -C tools/testing/selftests/bpf