Net.Data Monitoring

I am trying to evaluate the performance an existing website written in
Net.Data.

It appears that there are a few macros that are very inefficient given the
processor load on our 730; however, I am having trouble pin-pointing them.
Is there a good way to monitor how long a net.data macro takes to execute or
how much processor time it takes (with out adding code to each macro)? If
there was a way to tell which macro is being executed by a particular job or
a way to tell what IP address is being serviced by a particular job at a
given point in time that would also be helpful.

I tried using the trace capability; however, it generates too much data to
be useful. I have also used the database monitoring functionality in Ops Nav
which was helpful; but only for SQL queries (obviously).

We are on V5R2; using an apache web server on a 2 way 730.

Thanks,
Jay Himes
Liberty University