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rcu: add additional debug logs

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

Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Reviewed-by: Gavin Hu <gavin.hu@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
This commit is contained in:
Honnappa Nagarahalli 2020-04-21 22:30:06 -05:00 committed by David Marchand
parent 1d301a8a25
commit bf386ae377
1 changed files with 8 additions and 1 deletions
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9
lib/librte_rcu/rte_rcu_qsbr.h
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@ -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);