See Profile from Xcode gauges while debugging to learn how to profile your app using one of these templates. Network Profiling Template This template analyzes the TCP/IP and UDP/IP connections an app uses. Some instruments aren’t used by any of the standard profiling templates. To use these instruments, you must create a trace document using the blank template, and then add the desired instruments to it. These documents provide the prescriptive content on what needs to be done, by whom and by when.