The performance page wait values comes from v$system_event and not ASH
The top activity page comes from v$active_session_history so it's based on
the 1 second samples.
On Tue, Dec 3, 2019 at 8:35 AM Zwettler Markus (OIZ) <
Does anyone know at what interval the average active sessions are sampled
which are displayed on the EM Performance Pages?
Active Sessions are sampled every 1 second and put into
One of 10 samples goes to dba_hist_active_sess_history
The sampling interval on the EM Performance Pages is ???