Re: [PATCH 2/5] perf: unwind: pass symbol source to libunwind

From: Jiri Olsa
Date: Mon Oct 12 2015 - 07:24:32 EST


On Sun, Sep 27, 2015 at 08:37:56PM +0200, Rabin Vincent wrote:
> Even if --symfs is used to point to the debug binaries, we send in the
> non-debug filenames to libunwind, which leads to libunwind not finding
> the debug frame. Fix this.
>
> Signed-off-by: Rabin Vincent <rabin.vincent@xxxxxxxx>

cc-ing Namhyung on this one

jirka

> ---
> tools/perf/util/unwind-libunwind.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
> index ef799dc..b93bf7f 100644
> --- a/tools/perf/util/unwind-libunwind.c
> +++ b/tools/perf/util/unwind-libunwind.c
> @@ -363,7 +363,7 @@ find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
> dso__data_put_fd(map->dso);
>
> memset(&di, 0, sizeof(di));
> - if (dwarf_find_debug_frame(0, &di, ip, base, map->dso->name,
> + if (dwarf_find_debug_frame(0, &di, ip, base, map->dso->symsrc_filename,
> map->start, map->end))
> return dwarf_search_unwind_table(as, ip, &di, pi,
> need_unwind_info, arg);
> --
> 1.7.10.4
>
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