I did something kind of funky that should work well.
My library Entrace makes Erlang tracing nice. But you don't have it installed and suddenly you need it.
Hot code updates to the rescue. One single-module version but the spicy one is the hot code update version that just lets you curl to shell in your iex prompt to get that sweet tracing functionality:
https://github.com/underjord/entrace?tab=readme-ov-file#quick-load-pre-compiled-into-a-running-system
#elixir