Memory profiling doesn't work with Xcode, just displays “No Selection”

Question

I am using the latest version of Xcode 9 and macOS 10.13.

When I try to make a memory graph from the current state of my application, it shows an empty screen that sa

Answer 1

In My Case I was Using Xcode 9. When I have checked to Xcode-> Preferences->Locations->Command Line Tools = Xcode 8.3.3 so I just Changed from Xcode 8.3.3 to Xcode 9.0 and It starts working.