CPU usage reports

[gphillip at kaiser.aafp.org]

>> I am trying to find a way to get a report on CPU usage by program.  I
> am
>
> I would use the top program and toggle the sort with the "T" key for
> cumulative CPU time.

The only problem with that is that some process only run for part of the
day.  If I have a perl script that only runs for say 2 minutes but it runs
a few times a day, I am trying to find out what % CPU it is using over the
course of a day.