[dpdk-dev] [PATCH v4 4/4] lib/rcu: add additional debug logs
Honnappa Nagarahalli
honnappa.nagarahalli at arm.com
Fri Apr 3 20:41:42 CEST 2020
Added additional debug logs. These helped in debugging RCU
defer APIs.
Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli at 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 213f9b029..dd51e7e35 100644
--- a/lib/librte_rcu/rte_rcu_qsbr.h
+++ b/lib/librte_rcu/rte_rcu_qsbr.h
@@ -716,8 +716,15 @@ 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
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