[dpdk-dev] [PATCH v5 4/4] lib/rcu: add additional debug logs

[Honnappa Nagarahalli]

Added additional debug logs. These helped in debugging RCU
defer APIs.

Signed-off-by: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com>
Reviewed-by: Gavin Hu <gavin...@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.w...@arm.com>
---
 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 e2fc7f83e..9524915fa 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);
-- 
2.17.1