[issue4111] Add DTrace probes

[Skip Montanaro]

Skip Montanaro <skip at pobox.com> added the comment:

me> I get an error later running dtrace which I have yet to investigate.

Apple's dtrace program doesn't support the -G flag.  When I remove it from
Makefile.pre.in and rebuild I get an error about privileges:

    dtrace -o Python/dtrace.o  -C -s ./Python/python.d Python/ceval.o
    dtrace: failed to initialize dtrace: DTrace requires additional privileges

I tried adding "sudo" to the dtrace command.  Then it prompts for my
password and emits this error:

    sudo dtrace -o Python/dtrace.o  -C -s ./Python/python.d Python/ceval.o
    Password:
    dtrace: failed to compile script ./Python/python.d: line 11: extraneous argument 'Python/ceval.o' ($1 is not referenced)

I'm not sure what to do at this point.  I'm not really a dtrace person.
Perhaps the Apple and Sun dtrace experts can offer a way out of this little
corner.

Skip

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<http://bugs.python.org/issue4111>
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