AIX Performance Monitoring - PS

AIX Performance Monitoring - PS


Display status of current processes. This command is useful for determining if runaway processes are excessively utilizing the CPU or memory.

For example, if a machine was just rebooted and appears to be running slowly, use this command to see if there are any getty processes running wild, using excessive CPU time.

STAT column.

R means RUNNING process.

S means SLEEPING process.

Z means ZOMBIE process.

RSS represents how much memory (in 1k bytes) process is using.

SIZE represents how much paging space (in 1k bytes) process is using.

CPU represents how much cpu time a process is using.

MEM represents a percentage of remaining memory a process is using.