1 files changed, 25 insertions, 7 deletions

diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 3b56aebb1f4b..8bd5ca2d2f28 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -6,15 +6,17 @@
 #include "util.h"
 #include "debug.h"
 
-static struct thread *thread__new(pid_t pid)
+static struct thread *thread__new(pid_t pid, int set_comm)
 {
         struct thread *self = calloc(1, sizeof(*self));
 
         if (self != NULL) {
                 self->pid = pid;
-                self->comm = malloc(32);
-                if (self->comm)
-                        snprintf(self->comm, 32, ":%d", self->pid);
+                if (set_comm) {
+                        self->comm = malloc(32);
+                        if (self->comm)
+                                snprintf(self->comm, 32, ":%d", self->pid);
+                }
                 self->maps = RB_ROOT;
                 INIT_LIST_HEAD(&self->removed_maps);
         }
@@ -50,8 +52,10 @@ static size_t thread__fprintf(struct thread *self, FILE *fp)
         return ret;
 }
 
-struct thread *
-threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match)
+static struct thread *
+__threads__findnew(pid_t pid, struct rb_root *threads,
+                   struct thread **last_match,
+                   int set_comm)
 {
         struct rb_node **p = &threads->rb_node;
         struct rb_node *parent = NULL;
@@ -80,7 +84,8 @@ threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match)
                         p = &(*p)->rb_right;
         }
 
-        th = thread__new(pid);
+        th = thread__new(pid, set_comm);
+
         if (th != NULL) {
                 rb_link_node(&th->rb_node, parent, p);
                 rb_insert_color(&th->rb_node, threads);
@@ -91,6 +96,19 @@ threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match)
 }
 
 struct thread *
+threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match)
+{
+        return __threads__findnew(pid, threads, last_match, 1);
+}
+
+struct thread *
+threads__findnew_nocomm(pid_t pid, struct rb_root *threads,
+                        struct thread **last_match)
+{
+        return __threads__findnew(pid, threads, last_match, 0);
+}
+
+struct thread *
 register_idle_thread(struct rb_root *threads, struct thread **last_match)
 {
         struct thread *thread = threads__findnew(0, threads, last_match);