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Shark and Sampler problems

Subject: Shark and Sampler problems
From: Kay Röpke <email@hidden>
Date: Tue, 1 Aug 2006 14:00:49 +0200
Delivered-to: email@hidden
Delivered-to: email@hidden

Hi folks!

I just tried to profile a an app+framework of mine using Shark and Sampler (when Shark failed to give me enough information).

Two issues:

1) I looks to me that Shark didn't track stuff that went on inside a @try Objective-C handler. In the relevant framework method the interesting stuff is going on inside this @try block. Is it known that Shark has any issue with this? I couldn't find anything in the archives or Google.

2) After Shark failed me, I tried Sampler to at least get a feeling for what's taking the time. Mysteriously enough Sampler is failing me, too. After stopping recording samples every click in Sampler's UI is giving me this line on the console: 2006-08-01 13:55:25.819 Sampler[9897] *** - [NSConcreteAttributedString _encodingCantBeStoredInEightBitCFString]: selector not recognized [self = 0xa04e960]

What gives?

Thanks,

-k

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