apex call duration
SELECT ELAPSED_TIME, numtodsinterval(ELAPSED_TIME, 'second') IV, extract(MINUTE FROM numtodsinterval(ELAPSED_TIME, 'second')) MI, extract(SECOND FROM numtodsinterval(ELAPSED_TIME, 'second')) SS FROM APEX_WORKSPACE_ACTIVITY_LOG WHERE WORKSPACE = 'wks_name' AND APEX_USER = 'user_name' AND APPLICATION_ID = 'app_id';