单项选择题
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
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相关考题
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单项选择题
To examine the Exhibit， press the Exhibit button. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem. Using the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the I/O bottleneck？（）
A. The bottleneck is network I/O.
B. The bottleneck is local disk I/O.
C. The bottleneck is paging space I/O.
D. The bottleneck is to a remote filesystem. -
单项选择题
WhichtoolisbasedontheAIXtracefacility？（）
A. no
B. netpmon
C. entstat
D. nfso -
单项选择题
Whichofthefollowingcommandsshouldbeusedtotuneparametersofdevicesthataredisplayedwithlsattr？（）
A. chdev
B. cfgmgr
C. vmtune
D. schedtune
