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Submission + - Apple crippled its DTrace port

Linnen writes: One of developers of Sun's Open Source system tracing tool has found that Apple crippled its port of the tool so that software like iTunes could not be traced. From Adam Leventhal's blog;

I let it run for a while, made iTunes do some work, and the result when I stopped the script? Nothing. The expensive DTrace invocation clearly caused iTunes to do a lot more work, but DTrace was giving me no output. Which started me thinking... did they? Surely not. They wouldn't disable DTrace for certain applications. But that's exactly what Apple's done with their DTrace implementation. The notion of true systemic tracing was a bit too egalitarian for their classist sensibilities ...
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Apple crippled its DTrace port

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