title: Xcode 6.0.1 not displaying memory usage
body: <p>I've upgraded to Xcode 6.0.1 from 5.1 and when I'm running my app, I can't see memory usage in debug navigator:</p>
  
  <p><img src="https://i.stack.imgur.com/9bHLn.png" alt="enter image description here"></p>
  
  <p>I'm getting memory warnings. Yes, I could profile my app instruments without debugging, but seeing direct memory usage simply while debugging helps me a lot. How can I re-enable this functionality? I've restarted Xcode, rebuilt my project etc but I still can't see memory usage. The problem is present both when debugging on device or on the simulator. When I click the memory tab, I also get this weird "zeroed out" dashboard:</p>
  
  <p><img src="https://i.stack.imgur.com/Xxpf9.png" alt="enter image description here"></p>