Extracting data from a LoadRunner results DB

I collegue wanted to record the resource usage from the weekly performance test automatically into an excel spreadsheet.  So this is how you do it. From excel choose Data -> Import External -> New Data Query and select a MS Access database from the dialogue box. Remember this is the access database created from running and saving the analysis, the default output.mdb produced at the end of a load test if for errors. Next you will need to open the access DB that was created when you saved the results analysis. After you have done this you will be able to use MS query to create the query.

You will need to join the Host, Event_map and Monitor_meter tables to construct the query. The equiry used is shown below, where it provides the resource average for an 1 hour of the test after the first 10 minutes.

SELECT Host.`Host Name`, Event_map.`Event Name`, Avg(Monitor_meter.Aminimum) AS ‘Avg ‘
FROM `C:\….\filename`.Event_map Event_map, `C:\….\filename`.Host Host, `C:\….\filename`.Monitor_meter Monitor_meter
WHERE Host.`Host ID` = Monitor_meter.`Host ID` AND Event_map.`Event ID` = Monitor_meter.`Event ID` AND ((Monitor_meter.`End Time`>=600 And Monitor_meter.`End Time`<=4200))
GROUP BY Host.`Host Name`, Event_map.`Event Name`

Once this is working in the query editor you can return back to excel and the data will be added to the spreadsheet

Author: loadtestguy

Just a performance tester that wants to record the things I should remember about LoadTesting

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