$ top
or
$ uptime
e.g.
load average: 0.35. 0.23, 0.25
First column; last one minute
Second column; last five minutes
Third column; last fifteen minutes averages for each cpu
or
$ uptime
e.g.
load average: 0.35. 0.23, 0.25
First column; last one minute
Second column; last five minutes
Third column; last fifteen minutes averages for each cpu