profiling with cc

[Andreas Tobler]

Marius Strobl wrote:

> I think all it takes is the MD _mcount() -> mcount() wrapper but I'm
> not sure what it's actually supposed to do.

Ok, thank you for the pointer. I try to read through the code and see if 
I can get something out of it.

Build question, if I play around in this section, does it mean to 
rebuild the whole kernel/world everytime, or is it enough to just 
compile and install the modified parts ?

Thanks,

Andreas