1 files changed, 19 insertions, 0 deletions

diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 00229809a904..38da69c8c1ff 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -808,3 +808,22 @@ int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node *
 out:
         return 1;
 }
+
+char *callchain_list__sym_name(struct callchain_list *cl,
+                               char *bf, size_t bfsize, bool show_dso)
+{
+        int printed;
+
+        if (cl->ms.sym) {
+                printed = scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
+        } else
+                printed = scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
+
+        if (show_dso)
+                scnprintf(bf + printed, bfsize - printed, " %s",
+                          cl->ms.map ?
+                          cl->ms.map->dso->short_name :
+                          "unknown");
+
+        return bf;
+}