Home Oracle Commands v$ Performance views
Oracle Data Dictionary

V$WAITSTAT

Data Dictionary View

Columns
   ___________________________
 
   CLASS
   COUNT
   TIME

A related X$ view worth looking at is X$KCBFWAIT:
columns:
ADDR
INDX
COUNT
TIME

You can use this to display Buffer Waits per file
(run as SYS)
SELECT count, time, name
FROM v$datafile df, X$KCBFWAIT fw
WHERE fw.indx+1 = df.file#;

Related:

V$DATAFILE
V$FILESTAT



Simon Sheppard
SS64.com