[dpdk-dev] [RFC 12/15] eventdev: move timer adapters memory to hugepage

pbhagavatula at marvell.com pbhagavatula at marvell.com
Mon Aug 23 21:40:16 CEST 2021


From: Pavan Nikhilesh <pbhagavatula at marvell.com>

Move memory used by timer adapters to hugepage.
Allocate memory on the first adapter create or lookup to address
both primary and secondary process usecases.

Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
---
 lib/eventdev/rte_event_timer_adapter.c | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/lib/eventdev/rte_event_timer_adapter.c b/lib/eventdev/rte_event_timer_adapter.c
index ae55407042..c4dc7a5fd4 100644
--- a/lib/eventdev/rte_event_timer_adapter.c
+++ b/lib/eventdev/rte_event_timer_adapter.c
@@ -33,7 +33,7 @@ RTE_LOG_REGISTER_SUFFIX(evtim_logtype, adapter.timer, NOTICE);
 RTE_LOG_REGISTER_SUFFIX(evtim_buffer_logtype, adapter.timer, NOTICE);
 RTE_LOG_REGISTER_SUFFIX(evtim_svc_logtype, adapter.timer.svc, NOTICE);
 
-static struct rte_event_timer_adapter adapters[RTE_EVENT_TIMER_ADAPTER_NUM_MAX];
+static struct rte_event_timer_adapter *adapters;
 
 static const struct event_timer_adapter_ops swtim_ops;
 
@@ -138,6 +138,17 @@ rte_event_timer_adapter_create_ext(
 	int n, ret;
 	struct rte_eventdev *dev;
 
+	if (adapters == NULL) {
+		adapters = rte_zmalloc("Eventdev",
+				       sizeof(struct rte_event_timer_adapter) *
+					       RTE_EVENT_TIMER_ADAPTER_NUM_MAX,
+				       RTE_CACHE_LINE_SIZE);
+		if (adapters == NULL) {
+			rte_errno = ENOMEM;
+			return NULL;
+		}
+	}
+
 	if (conf == NULL) {
 		rte_errno = EINVAL;
 		return NULL;
@@ -312,6 +323,17 @@ rte_event_timer_adapter_lookup(uint16_t adapter_id)
 	int ret;
 	struct rte_eventdev *dev;
 
+	if (adapters == NULL) {
+		adapters = rte_zmalloc("Eventdev",
+				       sizeof(struct rte_event_timer_adapter) *
+					       RTE_EVENT_TIMER_ADAPTER_NUM_MAX,
+				       RTE_CACHE_LINE_SIZE);
+		if (adapters == NULL) {
+			rte_errno = ENOMEM;
+			return NULL;
+		}
+	}
+
 	if (adapters[adapter_id].allocated)
 		return &adapters[adapter_id]; /* Adapter is already loaded */
 
-- 
2.17.1



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