Accessing Realtime Performance Statistics 455If you make changes in the network plan that affect the objectmembership list (for example, you add a WX to a Mobility Domain anddeploy it), the current monitoring session does not update this change.Stop the session, and restart performance monitoring for the scope.For more information about viewing performance data, see “ViewingPerformance Data” on page 455. For more information about exportingdata, see “Exporting Performance Data” on page 460.Viewing PerformanceDataWhen looking at performance data in the Statistics tab, you can see thedata in absolute or delta values.Delta (rate of change) values are calculated with the following equation:value at end of polling interval - value at beginning of polling intervaltime difference (in seconds)For example, if the number of octets in is 11,101,288 at the beginning ofthe polling period, the number of octets in is 11,146,904 at the end ofthe polling period, and the time difference is 60 seconds, the delta valueis 760.267.To change how you view data values, select Absolute to see absolutevalues or Deltas to see rate-of-change values.Using the Statistics tab, you can see performance data in differentformats:■ Current data — When the Statistics tab appears in the main 3WXMwindow, you see the current data in the Current tab. For moreinformation, see “Viewing Current Data” on page 456.■ Historical data — You can see historical data in a line graph. Formore information, see “Viewing Historical Data” on page 457.■ Percentages — You can see the data in percentages in a pie chart.For more information, see “Viewing Data in Percentages” onpage 458.
