
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.