V$FILESTAT

Columns
   ___________________________
 
   PHYBLKRD
   FILE#
   PHYWRTS
   PHYBLKWRT
   READTIM
   WRITETIM
   AVGIOTIM
   LSTIOTIM
   MINIOTIM
   MAXIORTM
   MAXIOWTM
   PHYRDS

Related Views:

V$WAITSTAT