vmxnet3: invoke vlib_buffer_enqueue_to_next() with the wrong buffers for chain buffers

[vpp.git] / src / vlib / threads.c

diff --git a/src/vlib/threads.c b/src/vlib/threads.c
index 8e75592..1972886 100644 (file)
--- a/src/vlib/threads.c
+++ b/src/vlib/threads.c
@@ -1466,9 +1466,21 @@ vlib_worker_thread_barrier_sync_int (vlib_main_t * vm)
 
   /* Enforce minimum barrier open time to minimize packet loss */
   ASSERT (vm->barrier_no_close_before <= (now + BARRIER_MINIMUM_OPEN_LIMIT));
-  while ((now = vlib_time_now (vm)) < vm->barrier_no_close_before)
-    ;
 
+  while (1)
+    {
+      now = vlib_time_now (vm);
+      /* Barrier hold-down timer expired? */
+      if (now >= vm->barrier_no_close_before)
+       break;
+      if ((vm->barrier_no_close_before - now)
+         > (2.0 * BARRIER_MINIMUM_OPEN_LIMIT))
+       {
+         clib_warning ("clock change: would have waited for %.4f seconds",
+                       (vm->barrier_no_close_before - now));
+         break;
+       }
+    }
   /* Record time of closure */
   t_open = now - vm->barrier_epoch;
   vm->barrier_epoch = now;