【单项选择题】
To examine the Exhibit, press the Exhibit button. A user is compiling a C program.  A performance problem occurs and "vmstat 120 10" is run to determine the cause.  The vmstat output is provided in the exhibit.  Which of the following commands should be run to obtain more information about the problem?（）<br /> <img src="https://img.ppkao.com/2018-08/tianmin/2018080211322273872.jpg" /><p> To examine the Exhibit, press the Exhibit button. A user is compiling a C program.  A performance problem occurs and "vmstat 120 10" is run to determine the cause. &ensp
A、A. lsps
B、B. tprof
C、C. iostat
D、D. vmtune
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