Question

Memory Question!

In the data below, how can one determine the amount of the CPU "stolen" by the virtual machine hypervisor?

root@hwsrv-660825:~/397/demo6# top -b -n 1|head
top - 18:40:03 up 46 days, 20:07, 1 user, load average: 0.00, 0.01, 0.00
Tasks: 110 total, 1 running, 109 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.5 us, 0.3 sy, 0.0 ni, 97.6 id, 0.2 wa, 0.0 hi, 0.9 si, 0.6 st
KiB Mem : 2048204 total, 240164 free, 162928 used, 1645112 buff/cache
KiB Swap: 4194300 total, 4068528 free, 125772 used. 1640560 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 20 0 119608 4564 3184 S 0.0 0.2 9:36.24 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.12 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 30:07.84 ksoftirqd/0

Answer 1

We can determine cpu stolen time by using TOP command .

with the help of clue given in the fourth line of %cpu - 0.5 us and 0.6 st used for getting stolen time of cpu by TOP command.