1 files changed, 14 insertions, 12 deletions

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 105f00bfd555..e6a07408669e 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -242,17 +242,16 @@ static bool symbol__match_parent_regex(struct symbol *sym)
         return 0;
 }
 
-struct map_symbol *perf_session__resolve_callchain(struct perf_session *self,
-                                                   struct thread *thread,
-                                                   struct ip_callchain *chain,
-                                                   struct symbol **parent)
+int perf_session__resolve_callchain(struct perf_session *self,
+                                    struct thread *thread,
+                                    struct ip_callchain *chain,
+                                    struct symbol **parent)
 {
         u8 cpumode = PERF_RECORD_MISC_USER;
         unsigned int i;
-        struct map_symbol *syms = calloc(chain->nr, sizeof(*syms));
+        int err;
 
-        if (!syms)
-                return NULL;
+        callchain_cursor_reset(&self->callchain_cursor);
 
         for (i = 0; i < chain->nr; i++) {
                 u64 ip = chain->ips[i];
@@ -281,12 +280,15 @@ struct map_symbol *perf_session__resolve_callchain(struct perf_session *self,
                                 *parent = al.sym;
                         if (!symbol_conf.use_callchain)
                                 break;
-                        syms[i].map = al.map;
-                        syms[i].sym = al.sym;
                 }
+
+                err = callchain_cursor_append(&self->callchain_cursor,
+                                              ip, al.map, al.sym);
+                if (err)
+                        return err;
         }
 
-        return syms;
+        return 0;
 }
 
 static int process_event_synth_stub(event_t *event __used,
@@ -494,7 +496,7 @@ static void flush_sample_queue(struct perf_session *s,
                 if (iter->timestamp > limit)
                         break;
 
-                event__parse_sample(iter->event, s, &sample);
+                perf_session__parse_sample(s, iter->event, &sample);
                 perf_session_deliver_event(s, iter->event, &sample, ops,
                                            iter->file_offset);
 
@@ -804,7 +806,7 @@ static int perf_session__process_event(struct perf_session *session,
         /*
          * For all kernel events we get the sample data
          */
-        event__parse_sample(event, session, &sample);
+        perf_session__parse_sample(session, event, &sample);
 
         /* Preprocess sample records - precheck callchains */
         if (perf_session__preprocess_sample(session, event, &sample))