AIX Performance Issue but no earlier nmon data to compare!
nagger 100000MRSJ Visits (822)
I have had a number of clients get into a mess with an AIX performance CritSit (Critical Situation) but they have forgotten to capture nmon data before the incident.
So there is no "before and after "comparisons that can be made to highlight the change causing issues and likely causes.
Well, you might not know but AIX is auto
Now the bad news - it is using topasrec and recording it as raw binary data.
Now the good news you can use topasout -a recording-file to generate "nmon data"
Now the bad news it is not really nmon data and none of the regular downstream tools can graph it.
Now the good news - I butchered nmonchart to work with this topasrec / topasout data and its called topaschart
You can find the topaschart tool for downloading (it is a Korn shell script) and instructions here: http
Yes, that is the same website as nmonchart (on which topaschart was based) - perhaps you could briefly have a look at the rest of my tools like the new one njmon :-)
If you use topaschart - please let me know and any extra charts you really need and I will see what I can do, Cheers, Nigel