PERFORMANCE MONITORING / TUNING

vmstat (drive) (interval) (count)         Reports virtual memory statistics.
vmstat hdisk0 5 20

vmstat -s              Diplays number of paging events since system start.
vmstat -f              Diplays number of forks since system start.
vmstat -i              Diplays number of interupts by device since system start.

iostat (drive) (interval) (count)         Reports i/o and cpu statistics.
iostat hdisk0 5 20

iostat -d (drive) (interval) (count)      Limits report to drive statistics.
iostat -t (interval) (count)              Limits report to tty statistics.

sar -u -P ALL 10 10         Displays %usr %sys %wio %idle for all processors

/usr/samples/kernel/vmtune  Displays "Virtual Memory Manager" settings