taskqueue - Beautify thread names

* Beautify thread names by not printing _0 if only one thread for that
  taskqueue is being started/created.

diff --git a/sys/kern/subr_taskqueue.c b/sys/kern/subr_taskqueue.c
index 739abfb..de294aa 100644 (file)
--- a/sys/kern/subr_taskqueue.c
+++ b/sys/kern/subr_taskqueue.c
@@ -337,9 +337,15 @@ taskqueue_start_threads(struct taskqueue **tqp, int count, int pri, int ncpu,
                if ((ncpu <= -1) && (count > 1))
                        cpu = i%ncpus;
 
-               error = lwkt_create(taskqueue_thread_loop, tqp,
-                   &tq->tq_threads[i], NULL, TDF_STOPREQ | TDF_MPSAFE, cpu,
-                   "%s_%d", ktname, i);
+               if (count == 1) {
+                       error = lwkt_create(taskqueue_thread_loop, tqp,
+                           &tq->tq_threads[i], NULL, TDF_STOPREQ | TDF_MPSAFE,
+                           cpu, "%s", ktname);
+               } else {
+                       error = lwkt_create(taskqueue_thread_loop, tqp,
+                           &tq->tq_threads[i], NULL, TDF_STOPREQ | TDF_MPSAFE,
+                           cpu, "%s_%d", ktname, i);
+               }
                if (error) {
                        kprintf("%s: kthread_add(%s): error %d", __func__,
                            ktname, error);
@@ -410,7 +416,7 @@ taskqueue_init(void)
                taskqueue_thread[cpu] = taskqueue_create("thread", M_INTWAIT,
                    taskqueue_thread_enqueue, &taskqueue_thread[cpu]);
                taskqueue_start_threads(&taskqueue_thread[cpu], 1,
-                   TDPRI_KERN_DAEMON, cpu, "taskq_cpu");
+                   TDPRI_KERN_DAEMON, cpu, "taskq_cpu %d", cpu);
        }
 }