IBM Power Systems Performance Guide: Implementing and Optimizing

Performance monitoring tools and what they are telling us

This appendix discusses performance monitoring tools and explains what the tools are telling us while trying to tune your IBM POWER Systems environment.

The following topics are discussed:

•NMON

•lpar2rrd

•Trace tools and PerfPMR

NMON

Any AIX administrator who has worked on any performance issue should already be very familiar with and fond of the nmon tool. For those who have not, here is a short history lesson:

•nmon (Nigel’s performance MONitor) was created in 1997 by Nigel Griffiths, ...