Re: How to use debuginfo with oprofile?

[Akshat A. <aa...@gm...>]

Thanks Will, that seemed to be the problem.  We were using our own
non-debug binary RPMs and FC4s debuginfo RPMs.  Rolling our own
debuginfo RPMs made things work.

Cheers,
Akshat

On 7/17/06, William Cohen <wc...@re...> wrote:
> Akshat Aranya wrote:
> > Hi,
> >
> > I'm trying to use oprofile with Red Hat/Fedora's debuginfo packages
> > that separate debug symbols for libraries into another file that is
> > installed under /usr/lib/debug/usr/lib.  In particular, I have a C++
> > application that is reporting large amounts of samples in libstdc++.
> > However, oprofile reports no symbols in libstdc++.  From what I've
> > gathered from the oprofile and Red Hat documentation, oprofile should
> > be able to correlate /usr/lib/libstdc++.so with
> > /usr/lib/debug/usr/lib/libstdc++.so.debug and I should be able to see
> > the symbol breakdown with opreport.  Is there something I'm missing?
> > Any help would be appreciated.
> >
> > Thanks,
> > Akshat
>
> Make absolutely sure that you have matching versions of the libstdc++
> and the associated debuginfo. The checks for the debuginfo will just
> ignore the debuginfo if the checksums for the packages don't match. They
> don't match if one is i386 and the other is i686, or if they are
> different versions, or the same versions but from different build systems.
>
> For example on my system the following should work because of the
> versions match:
>
> $ rpm -qf /usr/lib/libstdc++.so.6
> libstdc++-4.0.2-8.fc4
>
> $ rpm -qf /usr/lib/debug/usr/lib/libstdc++.so.6.0.7.debug
> gcc-debuginfo-4.0.2-8.fc4
>
> -Will
>