perf callchains: Store the map together with the symbol

We need this to know where a symbol in a callchain came from,
for various reasons, among them precise annotation from a
TUI/GUI tool.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1269459619-982-5-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 1 deletions

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index d609afbd1a35..6ab16980dd66 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -81,7 +81,8 @@ static int perf_session__add_hist_entry(struct perf_session *self,
                                         struct addr_location *al,
                                         struct sample_data *data)
 {
-        struct symbol **syms = NULL, *parent = NULL;
+        struct map_symbol *syms = NULL;
+        struct symbol *parent = NULL;
         bool hit;
         int err;
         struct hist_entry *he;