In Section 9.3 “Using the AWR Compare Periods Reports” in Chapter 9 “Resolving Performance Degradation Over Time”, the following two new subsections have been added to the Automatic Workload Repository (AWR) Compare Periods report in 18.1:

• Top Process Types by Wait Class

  This section shows top process types ordered by wait class.

• Top Process Types by CPU Used

  This section shows top process types ordered by CPU time.