Instruments
Profiling an application is easy. Xcode provides an action for it. Trigger the Profile action by holding down on the Run button and selecting Profile from the menu that drops down. (When you choose an action using the button’s menu, the button continues to display the icon for that action.) Or, select Product → Profile (
I). The profiling application, Instruments, will launch and offer you a choice of what kind of profiling you want to do. See Figure 16.3.
Figure 16.3 When Instruments starts, it presents a template picker for the profiling ...
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