Wednesday, June 30, 2010

Monday, July 20, 2009

AIX Performance Monitoring - Nmon

AIX Performance Monitoring - Nmon

Nmon is a very useful command to determine the real time usage of resources in the system.Following are the sample report produced by nmon.

The useful options are c(CPU),m(Memory),t(top process).

Friday, July 17, 2009

AIX Performance Monitoring - vmstat

AIX Performance Monitoring - vmstat

vmstat

Statistics about virtual memory and cpu/hard disk usage.

Example:

vmstat hdisk0 hdisk1 5 (Display various statistics every 5 seconds)

AIX Performance Monitoring - tprof

AIX Performance Monitoring - tprof

tprof

Detailed profile of CPU usage by an application. Provides an estimate of CPU usage for each routine in a profile. Useful to determine where an application maybe CPU bound

AIX Performance Monitoring - svmon

AIX Performance Monitoring - svmon

svmon

Virtual memory monitor that captures a snapshot of the current contents of both real and virtual memory, and summarizes the contents. Useful for determining which processes are using the most memory.