nmon performance -- free tool to analyze AIX performance
nmon analyser -- free tool to produce AIX performance reports
This free tool gives you a huge amount of information all on one screen.
比topas信息还要多一些。
CPU utilisation Memory use Kernel statistics and run queue information Disks I/O rates, transfers, and read/write ratios Free space on file systems Disk adapters Network I/O rates, transfers, and read/write ratios Paging space and paging rates CPU and AIX specification Top processors IBM HTTP web cache User defined disk groups Machine details and resources Async I/O Workload Manager ESS disks NFS Dynamic LPAR changes Also included is a new tool to generate graphs from the nmon output and create .gif files that can be displayed on a website.
Benefits of the tool
The nmon tool is helpful in presenting all the important performance tuning information on one screen and dynamically updating it. The tool works on any dumb screen, telnet session, or even dial-up line. In addition, the tool is very efficient. It does not consume many CPU cycles, usually below 2%. On newer machines, CPU usage is well below 1%.