V$SHARED_SERVER

Columns
   ___________________________
 
   NAME
   BUSY
   IDLE
   CIRCUIT
   BREAKS
   BYTES
   MESSAGES
   STATUS
   PADDR
   REQUESTS

Related Views:

V$CIRCUIT 
V$DISPATCHER 
V$DISPATCHER_RATE 
V$MTS
V$QUEUE 
V$REQDIST 
V$THREAD