title: How to run iPhone program with Zombies instrument?
body: <p>I'm running XCode 3.2 on Snow Leopard and I'm trying to run the Zombies instrument against my app but the selection is grayed out and I don't know why. I know about the NSZombieEnabled environment variable. I have that set to YES on my application. I'm not sure if this matters, but, the app is an app that I started developing on Leopard with the previous version of XCode. Here is a screenshot of what my menu looks like:</p>
  
  <p><img src="https://i.stack.imgur.com/bl9HG.png" alt="ScreenShot"></p>