单选题Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound?()A  tinB  toutC  % idleD  % tm_act

题目
单选题
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound?()
A

 tin

B

 tout

C

 % idle

D

 % tm_act