[Rd] profiling C code

[Liaw, Andy]

The last time I tried I didn't have much luck.  The gprof manual I could
find seems to indicate that it can not profile code that are dynamically
loaded.  (I was trying on Linux.)  The R source seems to hint otherwise.
I'd very much appreciate pointers as well.

Andy

From: Ross Boylan
> 
> Does anyone have any advice about profiling C/C++ code in a package
> under R?  Does R need to be built specially for this to work?
> 
> The FAQ has some entries about profiling but they cover R level
> profiling; I'm try to get at the C++ code I've written that is called
> from R.
> 
> Primary target is Mac OS X.
> 
> Thanks.
> 
> Ross Boylan
> 
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