The following metrics are missing from AS7 EJB3 subsystem from deployment when compared to AS5 exposed metrics:

Stateless Session Bean
Method Invocation Time - The minimum, maximum, and average invocation times for each of the methods exposed by this EJB

Stateful Session Bean
Method Invocation Time - The minimum, maximum, and average invocation times for each of the methods exposed by this EJB
Cache Size - Cache Size
Passivated Count - Passivated Count
Total Size - Total Size