Set the Time Range for Overview Performance Charts You can specify the time range for viewing performance data. The time span extends from the selected time range to the present time. Procedure 1 Display the object in the inventory. 2 Select the object and click the Performance tab. 3 In Time Range, select a time range. Real-time data is available only for hosts and virtual machines. 4 If you selected Custom, set the From and To dates and times. Related concepts Data Availability