单选题In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）A tprofB iostatC svmonD filemon
单选题
In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）
A
tprof
B
iostat
C
svmon
D
filemon
参考解析
解析：
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