This diagram illustrates the sampling of DB time in the user response time of an application. An online purchase transaction made at a bookseller's Web site is shown as an example. DB time is displayed as shaded areas in a horizontal arrow that represents user response time of the transaction. ASH sampling are shown as bold vertical lines within the DB time taken at 7:38, 7:42, 7:50, and 7:52.

End of description.