问题
Running Xcode 4.0.2, the Zombie option is missing, from both places where other SO posts have suggested to find it.
Product > Run... looks like this:
Product > Profile looks like this:
What is strange is that I have used Zombies before in this version of Xcode. I did a profile using the Allocations instrument, clicked Allocations' info button ("i") at the upper left, and checked the "Enable Zombie..." that then appeared there. But when I try that now, I get this:
No more Zombies. Is it possible that I somehow removed them?
回答1:
After digging around some more, I found the answer here: zombie question
Ehud B's answer says you have to use the simulator for iOS apps, not the device. When I switched to the simulator for profiling, the zombies were back.
I should note that Moshe Kravchik's answer indicates that zombies are available in iOS 5. I'm still using iOS 4.
来源：https://stackoverflow.com/questions/10564018/zombie-option-missing-from-both-diagnostics-and-instruments