Are there dtrace ustack() helpers on Mac OS X?

StackOverflow https://stackoverflow.com/questions/2556704

  •  23-09-2019
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Question

I've been wondering if there is any chance to use dtrace ustack helpers on Mac OS X for python and other interpreted languages? I know that you can figure out what python and php on OpenSolaris are doing when giving the ustack some extra memory for a buffer. Is this somehow possible on Mac OS X?

Regards raichoo

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Solution

It looks like the ustack helpers are broken on MacOSX:

http://opensolaris.org/jive/thread.jspa?threadID=138082

Edit: the opensolaris links have been decommissioned. Here's another copy: http://www.mail-archive.com/dtrace-discuss@opensolaris.org/msg04668.html

Edit 2: The best way (I know of) to change this is to escalate with your Apple developer liason (if you have one) or file a bug at bugreport.apple.com.

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