On Tue, 2013-10-15 at 14:44 -0400, Martin Hicks wrote: > On Tue, Oct 15, 2013 at 11:30 AM, Benjamin Herrenschmidt > <b...@kernel.crashing.org> wrote: > > On Tue, 2013-10-15 at 09:59 -0400, Martin Hicks wrote: > >> I've tracked the start of the strange instruction pointers in 'perf > >> report' to a commit by Anton: > >> > >> commit 75382aa72f06823db7312ad069c3bae2eb3f8548 > >> Author: Anton Blanchard <an...@samba.org> > >> Date: Tue Jun 26 01:01:36 2012 +0000 > >> > >> powerpc/perf: Move code to select SIAR or pt_regs into perf_read_regs > >> > >> I don't know enough about PPC to know what's going on, but reverting > >> the changes to perf_instruction_pointer() gets me reasonable 'perf > >> report' output with 3.11. > > > > This is an e300 core right ? (603...). Do that have an SIAR at all > > (Scott ?) > > Yes, e300c3.
Ok so I have a hard time figuring out how that patch can make a difference since for all I can see, there is no perf backend upstream for e300 at all :-( I must certainly be missing something ... Scott, can you have a look ? Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
