A simple testsuite to stress test pmu register / unregister code:
https://lore.kernel.org/r/20241104133909.669111662@infradead.org

Build:

  $ make

Clean:

  $ make clean

Test perf pmu register and unregister:

  term1~$ while true; do sudo bash tinypmu-u.sh; done

Test event creation / mmap / unmap / event deletion etc along with
pmu register / unregister, (run this in parallel to above command):

  term2~$ sudo bash tinypmu-u-events.sh