单项选择题

Which sar option generates real-time disk I/O statistics?（）

A. sar -q
B. sar -P
C. sar -d
D. sar -D

点击查看答案

上一题目录下一题

相关考题

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?（）

A. lsps
B. tprof
C. iostat
D. vmtune

单项选择题

Which of the following kdb commands is used to obtain a stack trace from a dump? （）

A. trb
B. his
C. f
D. trace

单项选择题

A system is experiencing performance problems. After checking the CPU usage, the problem identified is that the system is "CPU Bound". Which of the following outcomes will determine if there is a possible CPU constraint?（）

A. Low paging
B. High paging
C. Workload manager is not turned on
D. A high run queue length