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  3. February 2020

Re: Profiling RPGLE programs

File I/O or SQL? If SQL, run your SQL statements through Visual Explain.
There is a program trace utility from IBM. I am trying to find out what the
name is. Maybe somebody else knows. .

On Wed, Feb 19, 2020 at 10:13 AM Justin Taylor <JUSTIN@xxxxxxxxxxxxx> wrote:

I normally eyeball the code, identify likely culprits and have it write to
the joblog. I iterate thru that process until I narrow down the cause.

HTH



-----Original Message-----
From: Roger Harman [mailto:roger.harman@xxxxxxxxxxx]
Sent: Wednesday, February 19, 2020 11:04 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Profiling RPGLE programs

I have a request from a sister division to look at (and, hopefully
improve) a program that is VERY long running - like 2 days long.

My first thought was I need to know the hot spots in the program but, in
all my years on this platform, I've never needed to profile a program.

Does anyone have any tips, a simple cheat sheet, or primer on the steps
involved?

Thanks!

Roger Harman
COMMON Certified Application Developer - ILE RPG on IBM i on Power








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