MPStat
You can use the mpstat utility when trying to understand where a system is losing performance or to find an indication of an issue.
diagnose sys mpstat 2 3
Gathering data, wait 2 sec, press any key to quit.
..0..1
TIME CPU %usr %nice %sys %iowait %irq %soft %steal %idle
05:55:32 PM all 88.70 0.00 11.30 0.00 0.00 0.00 0.00 0.00
0 90.00 0.00 10.00 0.00 0.00 0.00 0.00 0.00
1 91.00 0.00 9.00 0.00 0.00 0.00 0.00 0.00
2 89.00 0.00 11.00 0.00 0.00 0.00 0.00 0.00
3 89.50 0.00 10.50 0.00 0.00 0.00 0.00 0.00
4 86.50 0.00 13.50 0.00 0.00 0.00 0.00 0.00
5 90.50 0.00 9.50 0.00 0.00 0.00 0.00 0.00
6 89.00 0.00 11.00 0.00 0.00 0.00 0.00 0.00
7 89.00 0.00 11.00 0.00 0.00 0.00 0.00 0.00
8 88.50 0.00 11.50 0.00 0.00 0.00 0.00 0.00
9 86.50 0.00 13.50 0.00 0.00 0.00 0.00 0.00
10 88.50 0.00 11.50 0.00 0.00 0.00 0.00 0.00
11 88.50 0.00 11.50 0.00 0.00 0.00 0.00 0.00
12 88.50 0.00 11.50 0.00 0.00 0.00 0.00 0.00
13 87.50 0.00 12.50 0.00 0.00 0.00 0.00 0.00
14 89.00 0.00 11.00 0.00 0.00 0.00 0.00 0.00
15 91.00 0.00 9.00 0.00 0.00 0.00 0.00 0.00
16 90.50 0.00 9.50 0.00 0.00 0.00 0.00 0.00
17 90.50 0.00 9.50 0.00 0.00 0.00 0.00 0.00
18 91.50 0.00 8.50 0.00 0.00 0.00 0.00 0.00
19 91.00 0.00 9.00 0.00 0.00 0.00 0.00 0.00
20 85.00 0.00 15.00 0.00 0.00 0.00 0.00 0.00
21 90.00 0.00 10.00 0.00 0.00 0.00 0.00 0.00
22 87.50 0.00 12.50 0.00 0.00 0.00 0.00 0.00
23 92.50 0.00 7.50 0.00 0.00 0.00 0.00 0.00
24 89.50 0.00 10.50 0.00 0.00 0.00 0.00 0.00
25 84.00 0.00 16.00 0.00 0.00 0.00 0.00 0.00
26 85.00 0.00 15.00 0.00 0.00 0.00 0.00 0.00
27 91.00 0.00 9.00 0.00 0.00 0.00 0.00 0.00
28 87.50 0.00 12.50 0.00 0.00 0.00 0.00 0.00
29 84.50 0.00 15.50 0.00 0.00 0.00 0.00 0.00
30 87.50 0.00 12.50 0.00 0.00 0.00 0.00 0.00
31 88.50 0.00 11.50 0.00 0.00 0.00 0.00 0.00
<output omitted for brevity>
As discussed, the idle time for this print reports as 0% because of PMD.
Of particular importance in this print is %steal. If this is not zero, something is not optimized, as the hypervisor is stealing CPU cycles from the VM.