Profiling is only partially functional on some architectures. For values that depend on the getrusage() system call, NULL is returned on systems such as Windows that do not support the call. In addition, profiling is per process and not per thread. This means that activity on threads within the server other than your own may affect the timing information that you see.
windows 操作系统不支持。
windows 操作系统不支持。
谢谢版主，可我的系统不是windows，什么情况？
谢谢版主，可我的系统不是windows，什么情况？