You can use the Android Studio to trace memory/cpu usage of your application.
First of all, you can refer to the official document about Inspect your app's memory usage with Memory Profiler.
And then, you can still use the Visual Studio to debug the Maui application on the physical android device but trace the memory/cpu usage of your application in the Android Studio.
- Attach your application debug process to the android studio profile.
- Trace memory/cpu usage of your application.