AIX commands used in the WAS/WebLogic

Vmstat	Gives: i.      Traps ii.      Virtual memory iii.      Paging iv.      CPU v.      Number of interrupts per second vi.      Kernel threads
Iostat	1.    Gives: i.      CPU usage ii.      i/o of disk, adapter, ttys iii.      i/o subsystem
topas	i.      logical partition information (# topas -L) ii.      processes(# topas -P) iii.      file system(# topas -F) iv.      disks(# topas -D)
For CPU Monitoring	Admin can make use of: 1.    netpmon 2.    sar (sar -u) 3.    topas
For memory monitoring	Admin can make use of: 1.    svmon 2.    netpmon 3.    filemon Svmon and filemon are perfagent tools
For I/O subsystem,	1.    fileplace 2.    filemon
For Network	1.    tcpdump 2.    netpmon
For processors and threads,	1.    svmon 2.    kdb 3.    fuser 4.    prof 5.    truss nmon will give entire OS performance information
COMMANDS	Mpstat: this command displays performance statistics of all logical CPU in system. Lparstat: reports LPAR related information and statistics. SAR: System Activity Records: it collects reports and saves system activity information.
Traced based commands	CPU Monitoring: tprof, trace, trcrpt Memory: trace, trcrpt i/o subsystem: trace, trcrpt network: iptrace, trace, trcrpt processes and threads: tprof, trace, trcrpt