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Hour 24. Using Instruments for Analysis > Getting Started with Instruments

Getting Started with Instruments

The data that Instruments collects is recorded in a trace document when you click Record. (It changes to Stop as soon as you have clicked it.)

You can create a trace document for all processes running on the computer, or you can focus on a specific process. If you want to familiarize yourself with Instruments, it can be a good idea to launch an app that will continue to run and process various events by itself. A website that refreshes a page relatively often can be a good candidate (some news headline pages refresh in this way). If you try this, open that page in Safari and use Safari as your target process.

You can also use Products, Profile in Xcode for the project that you have open. That strategy is demonstrated later in this hour in “Connecting to the iOS Simulator.”


  

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