单选题In an iostat report， which of the following options best describes the value of % tm_act？（）A The total CPU usage for this driveB The bandwidth utilization of the indicated driveC It can best be represented by the equation （%iowait - %ioidle）D It can best be represented by the equation （kilobytes read/kilobytes written） *100
单选题
In an iostat report， which of the following options best describes the value of % tm_act？（）
A
The total CPU usage for this drive
B
The bandwidth utilization of the indicated drive
C
It can best be represented by the equation （%iowait - %ioidle）
D
It can best be represented by the equation （kilobytes read/kilobytes written） *100
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