The Top DB Files section is shown. The section has a table.
Above the table, a line of text says, "With respect to Cluster and User I/O events only."
The table has the following columns: File ID, Activity (%), Event, % Event, File Name, Tablespace.
The table has one row, which has the following values: 4, 11.54, db file sequential read, 11.54, /disk1/oracle/dbs/emtst/undotbs.dbf, UNDOTBS.
End of description.