Add gevent safe instrument fsm.
Add gevent safe instrument fsm.

mkl-/scioncc,mkl-/scioncc,ooici/pyon,crchemist/scioncc,crchemist/scioncc,scionrep/scioncc,crchemist/scioncc,mkl-/scioncc,scionrep/scioncc,scionrep/scioncc,ooici/pyon