1 files changed, 11 insertions, 0 deletions

diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index f53fad7c0a8d..8cb47f1d8a76 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -33,6 +33,17 @@ int thread__set_comm(struct thread *self, const char *comm)
         return self->comm ? 0 : -ENOMEM;
 }
 
+int thread__comm_len(struct thread *self)
+{
+        if (!self->comm_len) {
+                if (!self->comm)
+                        return 0;
+                self->comm_len = strlen(self->comm);
+        }
+
+        return self->comm_len;
+}
+
 static size_t thread__fprintf(struct thread *self, FILE *fp)
 {
         struct rb_node *nd;