I can't figure out how it wants me to provide arguments:
/profile e 60 all
2013-10-18 16:05:59 [INFO] [TickProfiler]
Usage: /profile [e/(c [chunk x] [chunk z])] [time=30] [dimensionid=all]
/profile e time=60 dimensionid=all
2013-10-18 16:06:32 [INFO] [TickProfiler]
Usage: /profile [e/(c [chunk x] [chunk z])] [time=30] [dimensionid=all]
/profile e
2013-10-18 16:07:04 [INFO] [TickProfiler]
Profiling for 30 seconds in all worlds
/profile e 60 all
2013-10-18 16:05:59 [INFO] [TickProfiler]
Usage: /profile [e/(c [chunk x] [chunk z])] [time=30] [dimensionid=all]
/profile e time=60 dimensionid=all
2013-10-18 16:06:32 [INFO] [TickProfiler]
Usage: /profile [e/(c [chunk x] [chunk z])] [time=30] [dimensionid=all]
/profile e
2013-10-18 16:07:04 [INFO] [TickProfiler]
Profiling for 30 seconds in all worlds