Check processes in these ways:
sar
(1m)
command consistently shows 0 percent idle time, it is likely that a process is in an infinite loop. You can identify the process with ps
(1m)
by examining the change in its CPU time and run status. If it is a system process, contact a service representative. If it is a user process, repair as required./usr/ucb/ps_-aux|head
identifies the leading CPU-intensive process.top
command identifies the process currently running.