Re: [LTP] gcov and RHEL4 kernels

[Jarod W. <ja...@wi...>]

On Thursday 30 March 2006 17:50, Jarod Wilson wrote:
> Anyone out there have experience working with a gcov-patched Red Hat
> Enterprise Linux 4-based kernel? I'm trying to figure out just how all th=
is
> works...
>
> So far, I've got the gcov 2.6.9 patch integrated into a kernel rpm build
> with the requisite extra options enabled and MODVERSIONS disabled, so I'm
> now getting a ton of stuff dumped into /proc/gcov/* (i.e., .h, .c and .gc=
no
> symlinks back to the kernel source tree and .gcda files), but something
> still doesn't appear to be quite right. Even after running through a
> battery of tests, an 'lcov -c -o outputfile' results in an outputfile with
> nothing but a bunch of lines reading...
>
> 'TN:'
>
> ...and nothing more.
>
> Any clues? I've seen hits in the mailing list archive about how lcov won't
> work on SLES9 kernels, but didn't see anything RHEL4-specific... Am I
> missing something obvious here?
>
> Thanks much for any help anyone can provide.
>
> In the interim, I'm going to see what happens w/a vanilla kernel...

Blah. Everything works perfectly w/a vanilla 2.6.15. Time to start hacking =
out=20
Red Hat patches? Anyone have an idea what might be the culprit here?

=2D-=20
Jarod Wilson
ja...@wi...