[Python-Dev] DTRACE support

["Martin v. Löwis"]

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Am 06.09.13 17:14, schrieb Guido van Rossum:
> I've heard good things about DTRACE but never used it myself.
> 
> Do I understand correctly that you have to build a separate Python 
> executable with it turned on?

My understanding is that you would normally have dtrace support built
on systems that support it. The claim of the dtrace authors is that
there is virtually no overhead in having trace points integrated that
are not active; it achieves that by patching trace instructions over
the NOPs that have been put there during compile time.

Regards,
Martin

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