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A system administrator runs the vmstat command. The output of vmstat is shown in the following exhibit.
kthr memory page faults cpu
----- ----------- ------------------------ ------------ -----------
r b avm fre re pi po fr sr cy in sy cs us sy id wa
2 0 9200 11027 0 0 0 0 0 0 103 52 14 14 16 0 69
2 1 9200 11027 0 0 0 0 0 0 207 251 29 12 11 0 67
3 1 9200 11027 0 0 0 0 0 0 207 120 29 9 11 0 80
5 1 9200 11027 0 0 0 0 0 0 206 120 29 13 5 0 79
4 1 9200 11027 0 0 0 0 0 0 207 131 32 9 8 0 72
Based on this output, what is the average CPU idle time in minutes?
A. 45.5
B. 75.3
C. 44.04
D. 73.4
pls tell me the answer and why.thx |
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