V$PQ_SLAVE

Columns
   ___________________________
 
   SLAVE_NAME
   STATUS
   SESSIONS
   IDLE_TIME_CUR
   BUSY_TIME_CUR
   CPU_SECS_CUR
   MSGS_SENT_CUR
   MSGS_RCVD_CUR
   IDLE_TIME_TOTAL
   BUSY_TIME_TOTAL
   CPU_SECS_TOTAL
   MSGS_SENT_TOTAL
   MSGS_RCVD_TOTAL

Related:

V$EXECUTION 
V$PQ_SESSTAT 
V$PQ_SYSSTAT 
V$PQ_TQSTAT