单选题A system must be evaluated and tuned. In order to use a set of performance evaluation programs （e.g.， filemon， svmon， and tprof） which of the following packages should exist on the system in question？（）Abos.adtBbos.perfCJava.adtDperfagent.tools
题目
单选题
A system must be evaluated and tuned. In order to use a set of performance evaluation programs （e.g.， filemon， svmon， and tprof） which of the following packages should exist on the system in question？（）
A
bos.adt
B
bos.perf
C
Java.adt
D
perfagent.tools