Here is sample output from a show psets command:
(prism foo) show psets foo: definition = 0:7 members = 0:7 current process = 0 break: definition = break members = nil current process = (none) done: definition = done members = nil current process = (none) interrupted: definition = interrupted members = 0:31 current process = 0 error: definition = error members = nil current process = (none) running: definition = running members = nil current process = (none) stopped: definition = stopped members = 0:31 current process = 0 current: definition = foo members = 0:7 current process = 0 cycle: definition = foo members = 0:7 current process = 0 all: definition = all members = 0:31 current process = 0