reproduce:
        git remote add perf-tools-next https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git
        git fetch perf-tools-next perf-tools-next
        git checkout perf-tools-next/perf-tools-next
        b4 shazam https://lore.kernel.org/r/20240612183205.3120248-6-irogers@google.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