On Wed, Apr 06, 2016 at 06:02:58PM +0530, Naveen N. Rao wrote: > ppc64le functions have a Global Entry Point (GEP) and a Local Entry > Point (LEP). While placing a probe, we always prefer the LEP since it > catches function calls through both the GEP and the LEP. In order to do > this, we fixup the function entry points during elf symbol table lookup > to point to the LEPs. This works, but breaks 'perf test kallsyms' since > the symbols loaded from the symbol table (pointing to the LEP) do not > match the symbols in kallsyms. > > To fix this, we do not adjust all the symbols during symbol table load, > but only adjust the probe trace point. > > Cc: Mark Wielaard <m...@redhat.com> > Cc: Thiago Jung Bauermann <bauer...@linux.vnet.ibm.com> > Cc: Ananth N Mavinakayanahalli <ana...@in.ibm.com> > Cc: Arnaldo Carvalho de Melo <a...@redhat.com> > Cc: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> > Reported-by: Michael Ellerman <m...@ellerman.id.au> > Signed-off-by: Naveen N. Rao <naveen.n....@linux.vnet.ibm.com>
Acked-by: Ananth N Mavinakayanahalli <ana...@in.ibm.com> _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
