AIX Tip of the Week

nmon Performance Monitoring Tool

Audience: Systems Administrator

Date: May 20, 2002

The nmon and nmon_analyzer are free tools from IBM that are useful for displaying and analyzing AIX performance.

The nmon tool is similar to "topas", which displays real-time AIX performance statistics. But unlike "topas", nmon presents more information and can capture data for analysis and presentation.

The nmon_analyzer tool analyzes the captured performance data. It can create a spreadsheet showing graphs of performance trends. Some of the nmon_analyzer metrics include:

You can download both tools from:

Old: /
nmon (2/26/04):
nmon analyzer (2/26/04):

Bruce Spencer,