How to profile CPU usage using Instruments in Xcode

To profile CPU usage in XCode, run the app then open the Debug Navigator and click on "Profile in Instruments."

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Step One: Run the App

<p>A screenshot of XCode highlighting the run button on the top center left.</p>

In order to profile the CPU of an app, it must be run from XCode.

Step Two: Profile in Instruments

Open the Debug Navigator, select CPU and click Profile in Instruments.

Step Three: Click Profile

In the pop up that appears, click Profile.

Step Four: Select CPU Usage

<p>A screenshot of Instruments highlighting the CPU usage bar and the stack trace that appears beneath it.</p>

In the Instruments App, select the moment within the CPU Usage bar that you wish to analyze. The results will appear in the stack trace beneath it.

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