From bf386ae377aa6dafd3043d4102f85f06cd33b111 Mon Sep 17 00:00:00 2001 From: Honnappa Nagarahalli Date: Tue, 21 Apr 2020 22:30:06 -0500 Subject: [PATCH] rcu: add additional debug logs Added additional debug logs. These helped in debugging RCU defer APIs. Signed-off-by: Honnappa Nagarahalli Reviewed-by: Gavin Hu Reviewed-by: Ruifeng Wang Acked-by: Konstantin Ananyev --- lib/librte_rcu/rte_rcu_qsbr.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/lib/librte_rcu/rte_rcu_qsbr.h b/lib/librte_rcu/rte_rcu_qsbr.h index ca8c0ef7f8..fd4eb52b7f 100644 --- a/lib/librte_rcu/rte_rcu_qsbr.h +++ b/lib/librte_rcu/rte_rcu_qsbr.h @@ -718,8 +718,15 @@ rte_rcu_qsbr_check(struct rte_rcu_qsbr *v, uint64_t t, bool wait) RTE_ASSERT(v != NULL); /* Check if all the readers have already acknowledged this token */ - if (likely(t <= v->acked_token)) + if (likely(t <= v->acked_token)) { + __RTE_RCU_DP_LOG(DEBUG, + "%s: check: token = %"PRIu64", wait = %d", + __func__, t, wait); + __RTE_RCU_DP_LOG(DEBUG, + "%s: status: least acked token = %"PRIu64"", + __func__, v->acked_token); return 1; + } if (likely(v->num_threads == v->max_threads)) return __rte_rcu_qsbr_check_all(v, t, wait); -- 2.20.1