Trace is turned on by specifying any command line parameter to the program when it is invoked.
在调用这个程序时指定任意命令行参数将开启跟踪功能。
2
My client test program prints results to the console, so these come out intermixed with the performance trace information in Listing 6.
我的客户机测试程序将结果打印到控制台，这样，它们就与清单6中的性能跟踪信息混在一起。
3
Visual trace 6 is used during program execution to reveal the execution path through a diagram; it depicts the control flow and how the software operates.