Re: Debugging Deadlocks
Re: Debugging Deadlocks
- Subject: Re: Debugging Deadlocks
- From: Mikkel Islay <email@hidden>
- Date: Fri, 30 Nov 2012 17:33:12 +0100
Paul,
On 30 Nov 2012, at 14:36, Paul Summermatter wrote:
> I ran into a problem yesterday which, so far, I have been unable to reproduce. A bunch of threads in our app were sitting in __psynch_mutexwait, which, according to various google searches, can indicate a deadlock in the application. Certainly the behavior from a user standpoint felt like a deadlock in that the app seemed to be just frozen. What I'm struggling to understand right now is whether Xcode has any tools to help in tracking down these problems.
You can use some combination of Instrument's System Profiler and MultiCore templates, to look at thread behaviour.
Of course, Xcode also displays traces over active threads at breakpoints.
Mikkel
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