如何通过JMETER获得CPU性能？
我的环境：
apache-jmeter-2.9 ServerAgent-2.2.1 Windows Server 2008 R2 问题是，当我在服务器中运行服务器代理并尝试在jmeter UI中获取数据时，服务器上的命令提示符显示错误：
INFO 2014-01-06 12:34:15.255 [kg.apc.p] (): Binding UDP to 4444 INFO 2014-01-06 12:34:16.302 [kg.apc.p] (): Binding TCP to 4444 INFO 2014-01-06 12:34:16.302 [kg.apc.p] (): JP@GC Agent v2.2.0 started INFO 2014-01-06 12:36:57.588 [kg.apc.p] (): Accepting new TCP connection ERROR 2014-01-06 12:36:57.592 [kg.apc.p] (): Error executing command java.lang.UnsupportedOperationException: Unknown command [4]: 'name' at kg.apc.perfmon.PerfMonMetricGetter.processCommand(PerfMonMetricGetter .java:87) at kg.apc.perfmon.PerfMonMetricGetter.processNextCommand(PerfMonMetricGe tter.java:101) at kg.apc.perfmon.PerfMonWorker.read(PerfMonWorker.java:210) at kg.apc.perfmon.PerfMonWorker.processCommands(PerfMonWorker.java:97) at kg.apc.perfmon.AgentTool.processParams(AgentTool.java:72) at kg.apc.cmdtools.PluginsCMD.processParams(PluginsCMD.java:63) at kg.apc.cmdtools.PluginsCMD.processParams(PluginsCMD.java:23) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at kg.apc.cmd.UniversalRunner.main(UniversalRunner.java:175)