Searching for an easy way to create high-quality graphs that you can print, publish to the Web, or cut and paste into performance reports? Look no further. The nmon_analyser tool takes files produced by the NMON performance tool, turns them into Microsoft Excel spreadsheets, and automatically produces these graphs.
You can download the tool here:
http://www.ibm.com/developerworks/aix/library/au-nmon_analyser/