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From: Naga Harish K S V <s.v.naga.harish.k@intel.com>
To: jerinj@marvell.com, jay.jayatheerthan@intel.com
Cc: dev@dpdk.org
Subject: [dpdk-dev] [PATCH 1/2] eventdev/eth_rx: add queue stats get API
Date: Tue, 26 Oct 2021 02:33:56 -0500	[thread overview]
Message-ID: <20211026073357.1823522-1-s.v.naga.harish.k@intel.com> (raw)

This patch adds new api ``rte_event_eth_rx_adapter_queue_stats_get``
to retrieve queue stats. The queue stats are in the format
``struct rte_event_eth_rx_adapter_queue_stats``.

The adapter stats_get and stats_reset apis are also updated to
handle queue level event buffer use case.

Signed-off-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>
---
 lib/eventdev/rte_event_eth_rx_adapter.c | 195 ++++++++++++++++++------
 lib/eventdev/rte_event_eth_rx_adapter.h |  43 ++++++
 lib/eventdev/version.map                |   1 +
 3 files changed, 196 insertions(+), 43 deletions(-)

diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c b/lib/eventdev/rte_event_eth_rx_adapter.c
index a175c61551..1d63252c95 100644
--- a/lib/eventdev/rte_event_eth_rx_adapter.c
+++ b/lib/eventdev/rte_event_eth_rx_adapter.c
@@ -245,6 +245,7 @@ struct eth_rx_queue_info {
 	uint64_t event;
 	struct eth_rx_vector_data vector_data;
 	struct eth_event_enqueue_buffer *event_buf;
+	struct rte_event_eth_rx_adapter_stats *stats;
 };
 
 static struct event_eth_rx_adapter **event_eth_rx_adapter;
@@ -268,14 +269,18 @@ rxa_validate_id(uint8_t id)
 
 static inline struct eth_event_enqueue_buffer *
 rxa_event_buf_get(struct event_eth_rx_adapter *rx_adapter, uint16_t eth_dev_id,
-		  uint16_t rx_queue_id)
+		  uint16_t rx_queue_id,
+		  struct rte_event_eth_rx_adapter_stats **stats)
 {
 	if (rx_adapter->use_queue_event_buf) {
 		struct eth_device_info *dev_info =
 			&rx_adapter->eth_devices[eth_dev_id];
+		*stats = dev_info->rx_queue[rx_queue_id].stats;
 		return dev_info->rx_queue[rx_queue_id].event_buf;
-	} else
+	} else {
+		*stats = &rx_adapter->stats;
 		return &rx_adapter->event_enqueue_buffer;
+	}
 }
 
 #define RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, retval) do { \
@@ -766,9 +771,9 @@ rxa_enq_block_end_ts(struct event_eth_rx_adapter *rx_adapter,
 /* Enqueue buffered events to event device */
 static inline uint16_t
 rxa_flush_event_buffer(struct event_eth_rx_adapter *rx_adapter,
-		       struct eth_event_enqueue_buffer *buf)
+		       struct eth_event_enqueue_buffer *buf,
+		       struct rte_event_eth_rx_adapter_stats *stats)
 {
-	struct rte_event_eth_rx_adapter_stats *stats = &rx_adapter->stats;
 	uint16_t count = buf->last ? buf->last - buf->head : buf->count;
 
 	if (!count)
@@ -883,7 +888,8 @@ rxa_create_event_vector(struct event_eth_rx_adapter *rx_adapter,
 static inline void
 rxa_buffer_mbufs(struct event_eth_rx_adapter *rx_adapter, uint16_t eth_dev_id,
 		 uint16_t rx_queue_id, struct rte_mbuf **mbufs, uint16_t num,
-		 struct eth_event_enqueue_buffer *buf)
+		 struct eth_event_enqueue_buffer *buf,
+		 struct rte_event_eth_rx_adapter_stats *stats)
 {
 	uint32_t i;
 	struct eth_device_info *dev_info =
@@ -954,7 +960,7 @@ rxa_buffer_mbufs(struct event_eth_rx_adapter *rx_adapter, uint16_t eth_dev_id,
 		else
 			num = nb_cb;
 		if (dropped)
-			rx_adapter->stats.rx_dropped += dropped;
+			stats->rx_dropped += dropped;
 	}
 
 	buf->count += num;
@@ -985,11 +991,10 @@ rxa_pkt_buf_available(struct eth_event_enqueue_buffer *buf)
 static inline uint32_t
 rxa_eth_rx(struct event_eth_rx_adapter *rx_adapter, uint16_t port_id,
 	   uint16_t queue_id, uint32_t rx_count, uint32_t max_rx,
-	   int *rxq_empty, struct eth_event_enqueue_buffer *buf)
+	   int *rxq_empty, struct eth_event_enqueue_buffer *buf,
+	   struct rte_event_eth_rx_adapter_stats *stats)
 {
 	struct rte_mbuf *mbufs[BATCH_SIZE];
-	struct rte_event_eth_rx_adapter_stats *stats =
-					&rx_adapter->stats;
 	uint16_t n;
 	uint32_t nb_rx = 0;
 
@@ -1000,7 +1005,7 @@ rxa_eth_rx(struct event_eth_rx_adapter *rx_adapter, uint16_t port_id,
 	 */
 	while (rxa_pkt_buf_available(buf)) {
 		if (buf->count >= BATCH_SIZE)
-			rxa_flush_event_buffer(rx_adapter, buf);
+			rxa_flush_event_buffer(rx_adapter, buf, stats);
 
 		stats->rx_poll_count++;
 		n = rte_eth_rx_burst(port_id, queue_id, mbufs, BATCH_SIZE);
@@ -1009,14 +1014,17 @@ rxa_eth_rx(struct event_eth_rx_adapter *rx_adapter, uint16_t port_id,
 				*rxq_empty = 1;
 			break;
 		}
-		rxa_buffer_mbufs(rx_adapter, port_id, queue_id, mbufs, n, buf);
+		rxa_buffer_mbufs(rx_adapter, port_id, queue_id, mbufs, n, buf,
+				 stats);
 		nb_rx += n;
 		if (rx_count + nb_rx > max_rx)
 			break;
 	}
 
 	if (buf->count > 0)
-		rxa_flush_event_buffer(rx_adapter, buf);
+		rxa_flush_event_buffer(rx_adapter, buf, stats);
+
+	stats->rx_packets += nb_rx;
 
 	return nb_rx;
 }
@@ -1135,28 +1143,30 @@ rxa_intr_thread(void *arg)
 /* Dequeue <port, q> from interrupt ring and enqueue received
  * mbufs to eventdev
  */
-static inline uint32_t
+static inline void
 rxa_intr_ring_dequeue(struct event_eth_rx_adapter *rx_adapter)
 {
 	uint32_t n;
 	uint32_t nb_rx = 0;
 	int rxq_empty;
 	struct eth_event_enqueue_buffer *buf;
+	struct rte_event_eth_rx_adapter_stats *stats;
 	rte_spinlock_t *ring_lock;
 	uint8_t max_done = 0;
 
 	if (rx_adapter->num_rx_intr == 0)
-		return 0;
+		return;
 
 	if (rte_ring_count(rx_adapter->intr_ring) == 0
 		&& !rx_adapter->qd_valid)
-		return 0;
+		return;
 
 	buf = &rx_adapter->event_enqueue_buffer;
+	stats = &rx_adapter->stats;
 	ring_lock = &rx_adapter->intr_ring_lock;
 
 	if (buf->count >= BATCH_SIZE)
-		rxa_flush_event_buffer(rx_adapter, buf);
+		rxa_flush_event_buffer(rx_adapter, buf, stats);
 
 	while (rxa_pkt_buf_available(buf)) {
 		struct eth_device_info *dev_info;
@@ -1208,7 +1218,7 @@ rxa_intr_ring_dequeue(struct event_eth_rx_adapter *rx_adapter)
 					continue;
 				n = rxa_eth_rx(rx_adapter, port, i, nb_rx,
 					rx_adapter->max_nb_rx,
-					&rxq_empty, buf);
+					&rxq_empty, buf, stats);
 				nb_rx += n;
 
 				enq_buffer_full = !rxq_empty && n == 0;
@@ -1229,7 +1239,7 @@ rxa_intr_ring_dequeue(struct event_eth_rx_adapter *rx_adapter)
 		} else {
 			n = rxa_eth_rx(rx_adapter, port, queue, nb_rx,
 				rx_adapter->max_nb_rx,
-				&rxq_empty, buf);
+				&rxq_empty, buf, stats);
 			rx_adapter->qd_valid = !rxq_empty;
 			nb_rx += n;
 			if (nb_rx > rx_adapter->max_nb_rx)
@@ -1239,7 +1249,6 @@ rxa_intr_ring_dequeue(struct event_eth_rx_adapter *rx_adapter)
 
 done:
 	rx_adapter->stats.rx_intr_packets += nb_rx;
-	return nb_rx;
 }
 
 /*
@@ -1255,12 +1264,13 @@ rxa_intr_ring_dequeue(struct event_eth_rx_adapter *rx_adapter)
  * the hypervisor's switching layer where adjustments can be made to deal with
  * it.
  */
-static inline uint32_t
+static inline void
 rxa_poll(struct event_eth_rx_adapter *rx_adapter)
 {
 	uint32_t num_queue;
 	uint32_t nb_rx = 0;
 	struct eth_event_enqueue_buffer *buf = NULL;
+	struct rte_event_eth_rx_adapter_stats *stats = NULL;
 	uint32_t wrr_pos;
 	uint32_t max_nb_rx;
 
@@ -1273,24 +1283,24 @@ rxa_poll(struct event_eth_rx_adapter *rx_adapter)
 		uint16_t qid = rx_adapter->eth_rx_poll[poll_idx].eth_rx_qid;
 		uint16_t d = rx_adapter->eth_rx_poll[poll_idx].eth_dev_id;
 
-		buf = rxa_event_buf_get(rx_adapter, d, qid);
+		buf = rxa_event_buf_get(rx_adapter, d, qid, &stats);
 
 		/* Don't do a batch dequeue from the rx queue if there isn't
 		 * enough space in the enqueue buffer.
 		 */
 		if (buf->count >= BATCH_SIZE)
-			rxa_flush_event_buffer(rx_adapter, buf);
+			rxa_flush_event_buffer(rx_adapter, buf, stats);
 		if (!rxa_pkt_buf_available(buf)) {
 			if (rx_adapter->use_queue_event_buf)
 				goto poll_next_entry;
 			else {
 				rx_adapter->wrr_pos = wrr_pos;
-				return nb_rx;
+				return;
 			}
 		}
 
 		nb_rx += rxa_eth_rx(rx_adapter, d, qid, nb_rx, max_nb_rx,
-				NULL, buf);
+				NULL, buf, stats);
 		if (nb_rx > max_nb_rx) {
 			rx_adapter->wrr_pos =
 				    (wrr_pos + 1) % rx_adapter->wrr_len;
@@ -1301,7 +1311,6 @@ rxa_poll(struct event_eth_rx_adapter *rx_adapter)
 		if (++wrr_pos == rx_adapter->wrr_len)
 			wrr_pos = 0;
 	}
-	return nb_rx;
 }
 
 static void
@@ -1309,12 +1318,13 @@ rxa_vector_expire(struct eth_rx_vector_data *vec, void *arg)
 {
 	struct event_eth_rx_adapter *rx_adapter = arg;
 	struct eth_event_enqueue_buffer *buf = NULL;
+	struct rte_event_eth_rx_adapter_stats *stats = NULL;
 	struct rte_event *ev;
 
-	buf = rxa_event_buf_get(rx_adapter, vec->port, vec->queue);
+	buf = rxa_event_buf_get(rx_adapter, vec->port, vec->queue, &stats);
 
 	if (buf->count)
-		rxa_flush_event_buffer(rx_adapter, buf);
+		rxa_flush_event_buffer(rx_adapter, buf, stats);
 
 	if (vec->vector_ev->nb_elem == 0)
 		return;
@@ -1333,7 +1343,6 @@ static int
 rxa_service_func(void *args)
 {
 	struct event_eth_rx_adapter *rx_adapter = args;
-	struct rte_event_eth_rx_adapter_stats *stats;
 
 	if (rte_spinlock_trylock(&rx_adapter->rx_lock) == 0)
 		return 0;
@@ -1360,10 +1369,11 @@ rxa_service_func(void *args)
 		}
 	}
 
-	stats = &rx_adapter->stats;
-	stats->rx_packets += rxa_intr_ring_dequeue(rx_adapter);
-	stats->rx_packets += rxa_poll(rx_adapter);
+	rxa_intr_ring_dequeue(rx_adapter);
+	rxa_poll(rx_adapter);
+
 	rte_spinlock_unlock(&rx_adapter->rx_lock);
+
 	return 0;
 }
 
@@ -1937,9 +1947,13 @@ rxa_sw_del(struct event_eth_rx_adapter *rx_adapter,
 	if (rx_adapter->use_queue_event_buf) {
 		struct eth_event_enqueue_buffer *event_buf =
 			dev_info->rx_queue[rx_queue_id].event_buf;
+		struct rte_event_eth_rx_adapter_stats *stats =
+			dev_info->rx_queue[rx_queue_id].stats;
 		rte_free(event_buf->events);
 		rte_free(event_buf);
+		rte_free(stats);
 		dev_info->rx_queue[rx_queue_id].event_buf = NULL;
+		dev_info->rx_queue[rx_queue_id].stats = NULL;
 	}
 }
 
@@ -1955,6 +1969,7 @@ rxa_add_queue(struct event_eth_rx_adapter *rx_adapter,
 	int sintrq;
 	struct rte_event *qi_ev;
 	struct eth_event_enqueue_buffer *new_rx_buf = NULL;
+	struct rte_event_eth_rx_adapter_stats *stats = NULL;
 	uint16_t eth_dev_id = dev_info->dev->data->port_id;
 	int ret;
 
@@ -2061,6 +2076,21 @@ rxa_add_queue(struct event_eth_rx_adapter *rx_adapter,
 
 	queue_info->event_buf = new_rx_buf;
 
+	/* Allocate storage for adapter queue stats */
+	stats = rte_zmalloc_socket("rx_queue_stats",
+				sizeof(*stats), 0,
+				rte_eth_dev_socket_id(eth_dev_id));
+	if (stats == NULL) {
+		rte_free(new_rx_buf->events);
+		rte_free(new_rx_buf);
+		RTE_EDEV_LOG_ERR("Failed to allocate stats storage for"
+				 " dev_id: %d queue_id: %d",
+				 eth_dev_id, rx_queue_id);
+		return -ENOMEM;
+	}
+
+	queue_info->stats = stats;
+
 	return 0;
 }
 
@@ -2829,7 +2859,9 @@ rte_event_eth_rx_adapter_stats_get(uint8_t id,
 	struct rte_event_eth_rx_adapter_stats dev_stats;
 	struct rte_eventdev *dev;
 	struct eth_device_info *dev_info;
-	uint32_t i;
+	struct eth_rx_queue_info *queue_info;
+	struct rte_event_eth_rx_adapter_stats *q_stats;
+	uint32_t i, j;
 	int ret;
 
 	if (rxa_memzone_lookup())
@@ -2843,8 +2875,32 @@ rte_event_eth_rx_adapter_stats_get(uint8_t id,
 
 	dev = &rte_eventdevs[rx_adapter->eventdev_id];
 	memset(stats, 0, sizeof(*stats));
+
+	if (rx_adapter->service_inited)
+		*stats = rx_adapter->stats;
+
 	RTE_ETH_FOREACH_DEV(i) {
 		dev_info = &rx_adapter->eth_devices[i];
+
+		if (rx_adapter->use_queue_event_buf) {
+
+			for (j = 0; j < dev_info->dev->data->nb_rx_queues;
+						j++) {
+				queue_info = &dev_info->rx_queue[j];
+				if (!queue_info->queue_enabled)
+					continue;
+				q_stats = queue_info->stats;
+
+				stats->rx_packets += q_stats->rx_packets;
+				stats->rx_poll_count += q_stats->rx_poll_count;
+				stats->rx_enq_count += q_stats->rx_enq_count;
+				stats->rx_enq_retry += q_stats->rx_enq_retry;
+				stats->rx_dropped += q_stats->rx_dropped;
+				stats->rx_enq_block_cycles +=
+						q_stats->rx_enq_block_cycles;
+			}
+		}
+
 		if (dev_info->internal_event_port == 0 ||
 			dev->dev_ops->eth_rx_adapter_stats_get == NULL)
 			continue;
@@ -2857,21 +2913,57 @@ rte_event_eth_rx_adapter_stats_get(uint8_t id,
 		dev_stats_sum.rx_enq_count += dev_stats.rx_enq_count;
 	}
 
-	if (rx_adapter->service_inited)
-		*stats = rx_adapter->stats;
-
+	buf = &rx_adapter->event_enqueue_buffer;
 	stats->rx_packets += dev_stats_sum.rx_packets;
 	stats->rx_enq_count += dev_stats_sum.rx_enq_count;
+	stats->rx_event_buf_count = buf->count;
+	stats->rx_event_buf_size = buf->events_size;
 
-	if (!rx_adapter->use_queue_event_buf) {
-		buf = &rx_adapter->event_enqueue_buffer;
-		stats->rx_event_buf_count = buf->count;
-		stats->rx_event_buf_size = buf->events_size;
-	} else {
-		stats->rx_event_buf_count = 0;
-		stats->rx_event_buf_size = 0;
+	return 0;
+}
+
+int
+rte_event_eth_rx_adapter_queue_stats_get(uint8_t id,
+		uint16_t eth_dev_id,
+		uint16_t rx_queue_id,
+		struct rte_event_eth_rx_adapter_queue_stats *stats)
+{
+	struct event_eth_rx_adapter *rx_adapter;
+	struct eth_device_info *dev_info;
+	struct eth_rx_queue_info *queue_info;
+	struct eth_event_enqueue_buffer *event_buf;
+	struct rte_event_eth_rx_adapter_stats *q_stats;
+
+	if (rxa_memzone_lookup())
+		return -ENOMEM;
+
+	RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
+
+	rx_adapter = rxa_id_to_adapter(id);
+
+	if (rx_adapter == NULL || stats == NULL)
+		return -EINVAL;
+
+	if (!rx_adapter->use_queue_event_buf)
+		return -EINVAL;
+
+	if (rx_queue_id >= rte_eth_devices[eth_dev_id].data->nb_rx_queues) {
+		RTE_EDEV_LOG_ERR("Invalid rx queue_id %" PRIu16, rx_queue_id);
+		return -EINVAL;
 	}
 
+	dev_info = &rx_adapter->eth_devices[eth_dev_id];
+	queue_info = &dev_info->rx_queue[rx_queue_id];
+	event_buf = queue_info->event_buf;
+	q_stats = queue_info->stats;
+
+	stats->rx_event_buf_count = event_buf->count;
+	stats->rx_event_buf_size = event_buf->events_size;
+	stats->rx_packets = q_stats->rx_packets;
+	stats->rx_poll_count = q_stats->rx_poll_count;
+	stats->rx_dropped = q_stats->rx_dropped;
+
 	return 0;
 }
 
@@ -2881,7 +2973,9 @@ rte_event_eth_rx_adapter_stats_reset(uint8_t id)
 	struct event_eth_rx_adapter *rx_adapter;
 	struct rte_eventdev *dev;
 	struct eth_device_info *dev_info;
-	uint32_t i;
+	struct eth_rx_queue_info *queue_info;
+	struct rte_event_eth_rx_adapter_stats *q_stats;
+	uint32_t i, j;
 
 	if (rxa_memzone_lookup())
 		return -ENOMEM;
@@ -2893,8 +2987,22 @@ rte_event_eth_rx_adapter_stats_reset(uint8_t id)
 		return -EINVAL;
 
 	dev = &rte_eventdevs[rx_adapter->eventdev_id];
+
 	RTE_ETH_FOREACH_DEV(i) {
 		dev_info = &rx_adapter->eth_devices[i];
+
+		if (rx_adapter->use_queue_event_buf) {
+
+			for (j = 0; j < dev_info->dev->data->nb_rx_queues;
+						j++) {
+				queue_info = &dev_info->rx_queue[j];
+				if (!queue_info->queue_enabled)
+					continue;
+				q_stats = queue_info->stats;
+				memset(q_stats, 0, sizeof(*q_stats));
+			}
+		}
+
 		if (dev_info->internal_event_port == 0 ||
 			dev->dev_ops->eth_rx_adapter_stats_reset == NULL)
 			continue;
@@ -2903,6 +3011,7 @@ rte_event_eth_rx_adapter_stats_reset(uint8_t id)
 	}
 
 	memset(&rx_adapter->stats, 0, sizeof(rx_adapter->stats));
+
 	return 0;
 }
 
diff --git a/lib/eventdev/rte_event_eth_rx_adapter.h b/lib/eventdev/rte_event_eth_rx_adapter.h
index ab625f7273..bbd42df8d9 100644
--- a/lib/eventdev/rte_event_eth_rx_adapter.h
+++ b/lib/eventdev/rte_event_eth_rx_adapter.h
@@ -35,6 +35,7 @@
  *  - rte_event_eth_rx_adapter_stats_get()
  *  - rte_event_eth_rx_adapter_stats_reset()
  *  - rte_event_eth_rx_adapter_queue_conf_get()
+ *  - rte_event_eth_rx_adapter_queue_stats_get()
  *
  * The application creates an ethernet to event adapter using
  * rte_event_eth_rx_adapter_create_ext() or rte_event_eth_rx_adapter_create()
@@ -204,6 +205,23 @@ struct rte_event_eth_rx_adapter_queue_conf {
 	/**< event buffer size for this queue */
 };
 
+/**
+ * A structure used to retrieve statistics for an
+ * eth rx adapter queue.
+ */
+struct rte_event_eth_rx_adapter_queue_stats {
+	uint64_t rx_event_buf_count;
+	/**< Rx event buffered count */
+	uint64_t rx_event_buf_size;
+	/**< Rx event buffer size */
+	uint64_t rx_poll_count;
+	/**< Receive queue poll count */
+	uint64_t rx_packets;
+	/**< Received packet count */
+	uint64_t rx_dropped;
+	/**< Received packet dropped count */
+};
+
 /**
  * A structure used to retrieve statistics for an eth rx adapter instance.
  */
@@ -617,6 +635,31 @@ int rte_event_eth_rx_adapter_queue_conf_get(uint8_t id,
 			uint16_t rx_queue_id,
 			struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
 
+/**
+ * Retrieve Rx queue statistics.
+ *
+ * @param id
+ *  Adapter identifier.
+ *
+ * @param eth_dev_id
+ *  Port identifier of Ethernet device.
+ *
+ * @param rx_queue_id
+ *  Ethernet device receive queue index.
+ *
+ * @param[out] stats
+ *  Pointer to struct rte_event_eth_rx_adapter_queue_stats
+ *
+ * @return
+ *  - 0: Success, queue buffer stats retrieved.
+ *  - <0: Error code on failure.
+ */
+__rte_experimental
+int
+rte_event_eth_rx_adapter_queue_stats_get(uint8_t id,
+		uint16_t eth_dev_id,
+		uint16_t rx_queue_id,
+		struct rte_event_eth_rx_adapter_queue_stats *stats);
 
 #ifdef __cplusplus
 }
diff --git a/lib/eventdev/version.map b/lib/eventdev/version.map
index cd37164141..a4b94c2c67 100644
--- a/lib/eventdev/version.map
+++ b/lib/eventdev/version.map
@@ -103,6 +103,7 @@ EXPERIMENTAL {
 	# added in 21.11
 	rte_event_eth_rx_adapter_create_with_params;
 	rte_event_eth_rx_adapter_queue_conf_get;
+	rte_event_eth_rx_adapter_queue_stats_get;
 };
 
 INTERNAL {
-- 
2.25.1


             reply	other threads:[~2021-10-26  7:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-26  7:33 Naga Harish K S V [this message]
2021-10-26  7:33 ` [dpdk-dev] [PATCH 2/2] eventdev/eth_rx: support telemetry Naga Harish K S V
2021-10-26 10:48 [dpdk-dev] [PATCH 1/2] eventdev/eth_rx: add queue stats get API Naga Harish K S V

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