Hello!
On Wed, Oct 22, 2014 at 3:00 PM, S wrote:
> Could you please share your thoughts on how to use your sample-bt tool for
> profiling loadable kernel modules? I wrote a kernel model (keio.ko) and
> loaded it, and everything worked fine. When compiling the module, I use -g
> (also try with -gdwarf-2 and gdwarf-4). However, when using sample-bt to
> profile it, it complained: WARNING: missing unwind/symbol data for module
> "KEIO". Is there anything special we need to do in order to profile a
> loaded kernel module?
This is more related to systemtap itself and I haven't seen such
issues with kernel modules myself. I suggest you ask on the systemtap
mailing list instead :)
Best regards,
-agentzh
