AIX performance monitoring

filemon -
Performance statistics for files, logical/physical volumes and virtual memory segments

fileplace -
Placement of a file's blocks within a file system

lsps -
Statistics about paging space

pagesize -
Displays system page size

lsattr -
Lists attributes associated with a device

pstat -
Statistics about system attributes

ipcs -
Status of interprocess communication facilities

ps -
Display status of current processes

iostat -
Statistics for ttys, disks and cpu

svmon -
Captures a snapshot of the current contents of both real and virtual memory

tprof -
Detailed profile of CPU usage by an application

vmstat -
Statistics about virtual memory and cpu/hard disk usage


sar -
System Activity Recorder

nfsstat -
Displays information about NFS and RPC calls

netpmon -
Performance statistics for CPU usage, network device-driver I/O, socket calls, and NFS