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-rw-r--r--src/vlib/threads.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/src/vlib/threads.h b/src/vlib/threads.h
index f78ec1b9fa5..dd0ed20ca0c 100644
--- a/src/vlib/threads.h
+++ b/src/vlib/threads.h
@@ -400,7 +400,7 @@ vlib_worker_thread_barrier_check (void)
{
if (PREDICT_FALSE (*vlib_worker_threads->wait_at_barrier))
{
- vlib_main_t *vm;
+ vlib_main_t *vm = vlib_get_main ();
clib_smp_atomic_add (vlib_worker_threads->workers_at_barrier, 1);
if (CLIB_DEBUG > 0)
{
@@ -409,6 +409,21 @@ vlib_worker_thread_barrier_check (void)
}
while (*vlib_worker_threads->wait_at_barrier)
;
+
+ /*
+ * Recompute the offset from thread-0 time.
+ * Note that vlib_time_now adds vm->time_offset, so
+ * clear it first. Save the resulting idea of "now", to
+ * see how well we're doing. See show_clock_command_fn(...)
+ */
+ {
+ f64 now;
+ vm->time_offset = 0.0;
+ now = vlib_time_now (vm);
+ vm->time_offset = vlib_global_main.time_last_barrier_release - now;
+ vm->time_last_barrier_release = vlib_time_now (vm);
+ }
+
if (CLIB_DEBUG > 0)
vm->parked_at_barrier = 0;
clib_smp_atomic_add (vlib_worker_threads->workers_at_barrier, -1);