diff options
Diffstat (limited to 'src/vlib/threads.c')
| -rw-r--r-- | src/vlib/threads.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/vlib/threads.c b/src/vlib/threads.c index 8e75592c0e2..1972886a78b 100644 --- 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; |