Instruments tip: to keep Instruments in the Dock, take the following steps:
1. In Xcode choose Xcode > Launch Developer Tool > Instruments to launch Instruments.
2. Right-click on Instruments in the Dock and choose Options > Keep in Dock.
If you want to learn more about Instruments, I’m writing a book on Instruments that shows you how to interpret the data and find the code causing problems. Learn more about the book at the following link: