The nmon tool is designed for AIX and Linux performance specialists to use for monitoring and analyzing performance data, including:

✫ CPU utilization

✫ 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

✫ Asynchronous I/O - AIX only

✫ Workload Manager (WLM) - AIX only

✫ IBM TotalStorage® Enterprise Storage Server® (ESS) disks - AIX only

✫ Network File System (NFS)

✫ Dynamic LPAR (DLPAR) changes - only pSeries p5 and OpenPower for either AIX or Linux

Also included is a new tool to generate graphs from the nmon output and create .gif files that can be displayed on a Web site.