2 files changed, 2 insertions, 1 deletions

diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 12c4341078f9..45efb5db0d19 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -8,7 +8,7 @@
 
 static struct thread *thread__new(pid_t pid)
 {
-        struct thread *self = malloc(sizeof(*self));
+        struct thread *self = calloc(1, sizeof(*self));
 
         if (self != NULL) {
                 self->pid = pid;
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 665d1f3dc977..32aea3c1c2ad 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -7,6 +7,7 @@ struct thread {
         struct rb_node          rb_node;
         struct list_head        maps;
         pid_t                   pid;
+        char                    shortname[3];
         char                    *comm;
 };