Measure App Launch Time with Instruments

Take the following steps to measure your app’s launch time with Instruments:

1. Press Cmd-I or choose Product > Profile to profile your app.
2. Select the App Launch template when Instruments launches.
3. Click the Choose button.
4. Click the Record button to start profiling.
5. Select the item with the name of your app from the timeline pane.
6. Press Cmd-4 to open the App Lifecycle section.

The App Lifecycle section lists the app’s launch steps and how long each step took.

Do you want to learn more about Instruments?

I wrote a book, Profiling Swift Apps, that shows you how to use Instruments to find and fix problems in your code. The book will help you make apps that run faster and use less memory. You can learn more about the book and download a sample at the following link:

Profiling Swift Apps page