[uClinux-dev] How to do profiling on MCF5249 board
Manuel Novoa III
mjn3 at codepoet.org
Tue Aug 23 22:18:10 EDT 2005
On Wed, Aug 24, 2005 at 12:01:43PM +1000, Greg Ungerer wrote:
> Hi Vincent,
> Fang Vincent-r65806 wrote:
> >Seems the m68k tool chain doesn't include gprof, and libc doesn't support
> >(I can't find gcrt0.o and libc_p.a)
> >Is there any way to do profiling with uClinux kernel or application?
> You can certainly do kernel profiling. Enable the kernel option,
> CONFIG_PROFILE, and then use the readprofile tool to get at its
> profile information on a running system.
> I am not aware of anyone doing the neccessary work for application
> level profiling. (That is porting the profile lib components).
We had profiling support in uClibc for a few releases. But it never
fully worked and Erik decided to remove it since it generated a lot
of questions. It wouldn't surprise me if I was the only one who
ever used it.
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