[issue4111] Add DTrace probes

[Ted Leung]

Ted Leung <twl at sauria.com> added the comment:

I tried building this on my Mac and got this;

ar cr libpython2.7.a Python/_warnings.o Python/Python-ast.o Python/ 
asdl.o Python/ast.o Python/bltinmodule.o Python/ceval.o Python/ 
compile.o Python/codecs.o Python/errors.o Python/frozen.o Python/ 
frozenmain.o Python/future.o Python/getargs.o Python/getcompiler.o  
Python/getcopyright.o Python/getplatform.o Python/getversion.o Python/ 
graminit.o Python/import.o Python/importdl.o Python/marshal.o Python/ 
modsupport.o Python/mystrtoul.o Python/mysnprintf.o Python/peephole.o  
Python/pyarena.o Python/pyfpe.o Python/pymath.o Python/pystate.o  
Python/pythonrun.o Python/structmember.o Python/symtable.o Python/ 
sysmodule.o Python/traceback.o Python/getopt.o Python/pystrcmp.o  
Python/pystrtod.o Python/formatter_unicode.o Python/formatter_string.o  
Python/dynload_shlib.o @DTRACEOBJS@  Python/mactoolboxglue.o Python/ 
thread.o
ar: @DTRACEOBJS@: No such file or directory
make: *** [libpython2.7.a] Error 1

my configure line was:

./configure --enable-framework --enable-toolbox-glue --with-threads -- 
enable-dtrace

On Jan 25, 2009, at 2:00 PM, Skip Montanaro wrote:

>
> Skip Montanaro <skip at pobox.com> added the comment:
>
> Here's a patch against the current trunk (2.7) which compiles on my  
> Mac.  It
> adds a --with-dtrace configure option.  The code checks to see if  
> the -G
> option is understood by the dtrace command.  If so, dtrace support  
> is added
> Sun-style.  If not we do things Apple's way.
>
> The existing test cases pass on Apple except for one case in  
> test_sys which
> tries to confirm the size of a frame object.  I added an #ifdef  
> WITH_DTRACE
> around the extra slot but there is no way of telling from Python  
> code that
> this extra slot is there.  That would have to somehow be exposed to  
> the
> Python programmer so the test can be adjusted.  All tests pass when
> --with-dtrace is omitted.  I have not yet tried this on Solaris.  I  
> will try
> to get to it this week if someone doesn't beat me to it.
>
> There are as yet no new dtrace test cases so I can't confirm that  
> the added
> dtrace support actually works.  There are also no documentation  
> updates.
> Unlike most compile options this adds a significant new feature to the
> runtime environment so some documentation changes are probably  
> called for.
>
> Added file: http://bugs.python.org/file12861/dtrace.diff
>
> _______________________________________
> Python tracker <report at bugs.python.org>
> <http://bugs.python.org/issue4111>
> _______________________________________

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