Application Monitoring Tool for PowerBuilder

Question

We are looking for an application monitoring tool that works with PowerBuilder Classic.  We have an application that is experiencing an issue at one client site and they are insisting there is an application issue.  I need a strong application monitoring tool that works with PowerBuilder so we can begin to monitor the performance at their site.  So far all the companies we have found to contact turn us away as soon as they hear our code is in PowerBuilder.
I would greatly appreciate any input as to companies we can contact or recommendations/experiences anyone has had.
Regards-
Barbara Jean Dupuis

Answer 1

I have an app that logs the execution time of all DataWindow retrieves in a table. I can then run a report that tells me which ones are slow. The base DataWindow object captures the start time in the retrievestart event and the retrieveend event inserts a row into a table with the DataWindow name datetime and elapsed time. I use the QueryPerformanceCounter Win API function to get sub-second timing.
Something like this:
External Functions:
Function boolean QueryPerformanceFrequency(Ref Double lpFrequency) Library "kernel32.dll"
Function boolean QueryPerformanceCounter(Ref Double lpPerformanceCount) Library "kernel32.dll"
Instance variables:
Double idbl_frequency
Double idbl_start
Constructor event:
QueryPerformanceFrequency(idbl_frequency)
Retrievestart event:
QueryPerformanceCounter(idbl_start)
Retrieveend event:
Double ldbl_stop
Dec{6} ldec_elapsed
QueryPerformanceCounter(ldbl_stop)
ldec_elapsed = (ldbl_stop - idbl_start) / idbl_frequency
INSERT INTO RETRIEVAL_ACTIVITY_LOG
           ( DATAWINDOW_NAME, RETRIEVE_DATETIME, ROW_COUNT, ELAPSED_TIME )
    VALUES ( :this.DataObject, getdate(), :rowcount, :ldec_elapsed );