I WANT TO CHECK SSRS REPORT EXECUTION TIME AND SHOW UP REPORT

WHEN I RUN A SSRS 2017 REPORT IN VISUAL STUDIO 2017 DEVELOPMENT ENVIRONMENT BY CLICKING ON PREVIEW TAB,HOW DO I CHECK THE TIME TAKEN BY THE REPORT TO DISPLAY THE RECORDS.

I CHECKED BY QUERY:

SELECT LEFT(CONVERT(varchar, DATEADD(ms, DATEDIFF(second, ExecutionLog.TimeStart, ExecutionLog.TimeEnd) * 1000, 0), 114), 8) AS running_time
FROM     Catalog INNER JOIN
                  ExecutionLog ON Catalog.ItemID = ExecutionLog.ReportID
WHERE  (ExecutionLog.TimeStart =
                      (SELECT MAX(TimeStart) AS Expr1
                       FROM      ExecutionLog AS ExecutionLog_1))

But it cannot show running_time new.

Thanks all.