profiling with cc

[Marius Strobl]

On Sun, Feb 05, 2006 at 12:52:45PM +0100, Andreas Tobler wrote:
> 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 ?
> 

AFAICT the wrapper has to go into the userland version of the MCOUNT
macro in <machine/profile.h> and you'll have to re-compile and re-
install libc, specifically libc_p.a, in order to test it.

Marius

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