top command first iteration always returns the same result

Question

When running top -b -n 1, the command always returns the same CPU values. Consider the following test run 5 times in succession:

[user@server ~]$ top -b -n          


        

Answer 1

if anyone is looking for a one line get the value of cpu then try this

top -b -n 5 -d.2 | grep "Cpu" | tail -n1 | awk '{print($2)}' | cut -d'%' -f 1