Why VM Tracker is empty?
You have to tell it to take snapshots periodically. Before starting the app...
- Click on the VM Tracker Instrument to activate it.
- Show the Detail View (Command-D) if you don't see it already.
- In the left (blue) side bar, activate "Automatic Snapshotting".
- Run.
Optionally you can choose to take snapshots manually before and after interesting events in your app.
In Xcode 10, this option is located at the bottom of the window, the “Snapshots” button:
