This actually exists, sort of: http://pyrasite.readthedocs.org/en/latest/index.html http://pyrasite.readthedocs.org/en/latest/index.html I've done this manuall

This actually exists, sort of: http://pyrasite.readthedocs.org/en/latest/index.html http://pyrasite.readthedocs.org/en/latest/index.html I've done this manually a few times, but with foresight attaching signal handlers that open up a port or dump stack (a la `jstack`) is usually less finicky.