Find Linux CPU utilization

Whenever a Linux system CPU is occupied by a process, it is unavailable
for processing other requests. Pending requests must wait till CPU is
free. This becomes a bottleneck in the system. Following command will
help you to identify CPU utilization, so that you can troubleshoot CPU
related performance problems.




Finding Linux CPU utilization
is one of the important tasks. Linux comes with various utilities to
report CPU utilization. With these commands, you will be able to find
out - CPU utilization, Display the utilization of each CPU individually
(SMP cpu), Find out your system’s average CPU utilization since the
last reboot, Determine which process is eating the CPU(s) etc.