V$PQ_TQSTAT

Columns
   ___________________________
 
   TQ_ID
   DFO_NUMBER
   INSTANCE
   PROCESS
   WAITS
   BYTES
   TIMEOUTS
   AVG_LATENCY
   OPEN_TIME
   NUM_ROWS
   SERVER_TYPE

Related Views:

V$EXECUTION 
V$PQ_SESSTAT 
V$PQ_SLAVE 
V$PQ_SYSSTAT