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From: Jerin Jacob <jerinjacobk@gmail.com>
To: Naga Harish K S V <s.v.naga.harish.k@intel.com>
Cc: Jerin Jacob <jerinj@marvell.com>,
	"Jayatheerthan, Jay" <jay.jayatheerthan@intel.com>,
	dpdk-dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v3 1/3] eventdev/eth_rx: add queue stats get and reset APIs
Date: Tue, 2 Nov 2021 16:30:47 +0530	[thread overview]
Message-ID: <CALBAE1NaPCcVmcOYj+rVS4e=B95nTSE0UcBs3ty32mDL+TgWXA@mail.gmail.com> (raw)
In-Reply-To: <20211028102728.3111198-1-s.v.naga.harish.k@intel.com>

On Thu, Oct 28, 2021 at 4:22 PM Naga Harish K S V
<s.v.naga.harish.k@intel.com> wrote:
>
> 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``.
>
> For resetting the queue stats,
> ``rte_event_eth_rx_adapter_queue_stats_reset`` api is added.
>
> 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>
> Acked-by: Jay Jayatheerthan <jay.jayatheerthan@intel.com>


Series applied to dpdk-next-net-eventdev/for-main. Thanks


> ---
> v2:
> * added pmd callback support for adapter queue_stats_get and
>   queue_stats_reset apis.
>
> v3:
> * addressed coding style review comments
> ---
>  .../prog_guide/event_ethernet_rx_adapter.rst  |  11 +
>  lib/eventdev/eventdev_pmd.h                   |  52 ++++
>  lib/eventdev/rte_event_eth_rx_adapter.c       | 268 +++++++++++++++---
>  lib/eventdev/rte_event_eth_rx_adapter.h       |  66 +++++
>  lib/eventdev/version.map                      |   2 +
>  5 files changed, 356 insertions(+), 43 deletions(-)
>
> diff --git a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> index 8b58130fc5..67b11e1563 100644
> --- a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> +++ b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> @@ -166,6 +166,17 @@ flags for handling received packets, event queue identifier, scheduler type,
>  event priority, polling frequency of the receive queue and flow identifier
>  in struct ``rte_event_eth_rx_adapter_queue_conf``.
>
> +Getting and resetting Adapter queue stats
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +The ``rte_event_eth_rx_adapter_queue_stats_get()`` function reports
> +adapter queue counters defined in struct ``rte_event_eth_rx_adapter_queue_stats``.
> +This function reports queue level stats only when queue level event buffer is
> +used otherwise it returns -EINVAL.
> +
> +The ``rte_event_eth_rx_adapter_queue_stats_reset`` function can be used to
> +reset queue level stats when queue level event buffer is in use.
> +
>  Interrupt Based Rx Queues
>  ~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> diff --git a/lib/eventdev/eventdev_pmd.h b/lib/eventdev/eventdev_pmd.h
> index d009e24309..3ba49d1fd4 100644
> --- a/lib/eventdev/eventdev_pmd.h
> +++ b/lib/eventdev/eventdev_pmd.h
> @@ -749,6 +749,53 @@ typedef int (*eventdev_eth_rx_adapter_stats_get)
>  typedef int (*eventdev_eth_rx_adapter_stats_reset)
>                         (const struct rte_eventdev *dev,
>                         const struct rte_eth_dev *eth_dev);
> +
> +struct rte_event_eth_rx_adapter_queue_stats;
> +
> +/**
> + * Retrieve ethernet Rx adapter queue statistics.
> + *
> + * @param dev
> + *   Event device pointer
> + *
> + * @param eth_dev
> + *   Ethernet device pointer
> + *
> + * @param rx_queue_id
> + *  Ethernet device receive queue index.
> + *
> + * @param[out] q_stats
> + *   Pointer to queue stats structure
> + *
> + * @return
> + *   Return 0 on success.
> + */
> +typedef int (*eventdev_eth_rx_adapter_q_stats_get)
> +                       (const struct rte_eventdev *dev,
> +                        const struct rte_eth_dev *eth_dev,
> +                        uint16_t rx_queue_id,
> +                        struct rte_event_eth_rx_adapter_queue_stats *q_stats);
> +
> +/**
> + * Reset ethernet Rx adapter queue statistics.
> + *
> + * @param dev
> + *   Event device pointer
> + *
> + * @param eth_dev
> + *   Ethernet device pointer
> + *
> + * @param rx_queue_id
> + *  Ethernet device receive queue index.
> + *
> + * @return
> + *   Return 0 on success.
> + */
> +typedef int (*eventdev_eth_rx_adapter_q_stats_reset)
> +                       (const struct rte_eventdev *dev,
> +                        const struct rte_eth_dev *eth_dev,
> +                        uint16_t rx_queue_id);
> +
>  /**
>   * Start eventdev selftest.
>   *
> @@ -1224,6 +1271,11 @@ struct eventdev_ops {
>         eventdev_crypto_adapter_stats_reset crypto_adapter_stats_reset;
>         /**< Reset crypto stats */
>
> +       eventdev_eth_rx_adapter_q_stats_get eth_rx_adapter_queue_stats_get;
> +       /**< Get ethernet Rx queue stats */
> +       eventdev_eth_rx_adapter_q_stats_reset eth_rx_adapter_queue_stats_reset;
> +       /**< Reset ethernet Rx queue stats */
> +
>         eventdev_eth_tx_adapter_caps_get_t eth_tx_adapter_caps_get;
>         /**< Get ethernet Tx adapter capabilities */
>
> diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c b/lib/eventdev/rte_event_eth_rx_adapter.c
> index a175c61551..3adec52eac 100644
> --- a/lib/eventdev/rte_event_eth_rx_adapter.c
> +++ b/lib/eventdev/rte_event_eth_rx_adapter.c
> @@ -245,6 +245,10 @@ struct eth_rx_queue_info {
>         uint64_t event;
>         struct eth_rx_vector_data vector_data;
>         struct eth_event_enqueue_buffer *event_buf;
> +       /* use adapter stats struct for queue level stats,
> +        * as same stats need to be updated for adapter and queue
> +        */
> +       struct rte_event_eth_rx_adapter_stats *stats;
>  };
>
>  static struct event_eth_rx_adapter **event_eth_rx_adapter;
> @@ -268,14 +272,18 @@ 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 +774,9 @@ 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 +891,8 @@ 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 +963,7 @@ 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 +994,10 @@ 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 +1008,7 @@ 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 +1017,17 @@ 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 +1146,30 @@ 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 +1221,7 @@ 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 +1242,7 @@ 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 +1252,6 @@ 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 +1267,13 @@ 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 +1286,24 @@ 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 +1314,6 @@ 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 +1321,13 @@ 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 +1346,6 @@ 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 +1372,11 @@ 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 +1950,13 @@ 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 +1972,7 @@ 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 +2079,21 @@ 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;
>  }
>
> @@ -2819,6 +2852,15 @@ rte_event_eth_rx_adapter_stop(uint8_t id)
>         return rxa_ctrl(id, 0);
>  }
>
> +static inline void
> +rxa_queue_stats_reset(struct eth_rx_queue_info *queue_info)
> +{
> +       struct rte_event_eth_rx_adapter_stats *q_stats;
> +
> +       q_stats = queue_info->stats;
> +       memset(q_stats, 0, sizeof(*q_stats));
> +}
> +
>  int
>  rte_event_eth_rx_adapter_stats_get(uint8_t id,
>                                struct rte_event_eth_rx_adapter_stats *stats)
> @@ -2829,7 +2871,9 @@ 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 +2887,32 @@ 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 && dev_info->rx_queue) {
> +
> +                       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;
> @@ -2857,19 +2925,69 @@ 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;
> +       struct rte_eventdev *dev;
> +
> +       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];
> +       if (dev_info->rx_queue == NULL ||
> +           !dev_info->rx_queue[rx_queue_id].queue_enabled) {
> +               RTE_EDEV_LOG_ERR("Rx queue %u not added", rx_queue_id);
> +               return -EINVAL;
> +       }
> +
> +       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;
> +
> +       dev = &rte_eventdevs[rx_adapter->eventdev_id];
> +       if (dev->dev_ops->eth_rx_adapter_queue_stats_get != NULL) {
> +               return (*dev->dev_ops->eth_rx_adapter_queue_stats_get)(dev,
> +                                               &rte_eth_devices[eth_dev_id],
> +                                               rx_queue_id, stats);
>         }
>
>         return 0;
> @@ -2881,7 +2999,8 @@ 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;
> +       uint32_t i, j;
>
>         if (rxa_memzone_lookup())
>                 return -ENOMEM;
> @@ -2893,8 +3012,21 @@ 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  && dev_info->rx_queue) {
> +
> +                       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;
> +                               rxa_queue_stats_reset(queue_info);
> +                       }
> +               }
> +
>                 if (dev_info->internal_event_port == 0 ||
>                         dev->dev_ops->eth_rx_adapter_stats_reset == NULL)
>                         continue;
> @@ -2903,6 +3035,56 @@ rte_event_eth_rx_adapter_stats_reset(uint8_t id)
>         }
>
>         memset(&rx_adapter->stats, 0, sizeof(rx_adapter->stats));
> +
> +       return 0;
> +}
> +
> +int
> +rte_event_eth_rx_adapter_queue_stats_reset(uint8_t id,
> +               uint16_t eth_dev_id,
> +               uint16_t rx_queue_id)
> +{
> +       struct event_eth_rx_adapter *rx_adapter;
> +       struct eth_device_info *dev_info;
> +       struct eth_rx_queue_info *queue_info;
> +       struct rte_eventdev *dev;
> +
> +       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)
> +               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];
> +
> +       if (dev_info->rx_queue == NULL ||
> +           !dev_info->rx_queue[rx_queue_id].queue_enabled) {
> +               RTE_EDEV_LOG_ERR("Rx queue %u not added", rx_queue_id);
> +               return -EINVAL;
> +       }
> +
> +       queue_info = &dev_info->rx_queue[rx_queue_id];
> +       rxa_queue_stats_reset(queue_info);
> +
> +       dev = &rte_eventdevs[rx_adapter->eventdev_id];
> +       if (dev->dev_ops->eth_rx_adapter_queue_stats_reset != NULL) {
> +               return (*dev->dev_ops->eth_rx_adapter_queue_stats_reset)(dev,
> +                                               &rte_eth_devices[eth_dev_id],
> +                                               rx_queue_id);
> +       }
> +
>         return 0;
>  }
>
> diff --git a/lib/eventdev/rte_event_eth_rx_adapter.h b/lib/eventdev/rte_event_eth_rx_adapter.h
> index ab625f7273..9546d792e9 100644
> --- a/lib/eventdev/rte_event_eth_rx_adapter.h
> +++ b/lib/eventdev/rte_event_eth_rx_adapter.h
> @@ -35,6 +35,8 @@
>   *  - 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()
> + *  - rte_event_eth_rx_adapter_queue_stats_reset()
>   *
>   * 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 +206,23 @@ 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 +636,53 @@ 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);
> +
> +/**
> + * Reset 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.
> + *
> + * @return
> + *  - 0: Success, queue buffer stats retrieved.
> + *  - <0: Error code on failure.
> + */
> +__rte_experimental
> +int
> +rte_event_eth_rx_adapter_queue_stats_reset(uint8_t id,
> +               uint16_t eth_dev_id,
> +               uint16_t rx_queue_id);
>
>  #ifdef __cplusplus
>  }
> diff --git a/lib/eventdev/version.map b/lib/eventdev/version.map
> index cd37164141..ade1f1182e 100644
> --- a/lib/eventdev/version.map
> +++ b/lib/eventdev/version.map
> @@ -103,6 +103,8 @@ 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;
> +       rte_event_eth_rx_adapter_queue_stats_reset;
>  };
>
>  INTERNAL {
> --
> 2.25.1
>

  parent reply	other threads:[~2021-11-02 11:01 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-28  4:54 [dpdk-dev] [PATCH " Naga Harish K S V
2021-10-28  4:54 ` [dpdk-dev] [PATCH 2/3] eventdev/eth_rx: support telemetry Naga Harish K S V
2021-10-28  4:54 ` [dpdk-dev] [PATCH 3/3] test/event: add unit test for Rx adapter Naga Harish K S V
2021-10-28  6:55 ` [dpdk-dev] [PATCH v2 1/3] eventdev/eth_rx: add queue stats get and reset APIs Naga Harish K S V
2021-10-28  6:55   ` [dpdk-dev] [PATCH v2 2/3] eventdev/eth_rx: support telemetry Naga Harish K S V
2021-10-28  6:55   ` [dpdk-dev] [PATCH v2 3/3] test/event: add unit test for Rx adapter Naga Harish K S V
2021-10-28  7:06 ` [dpdk-dev] [PATCH v2 1/3] eventdev/eth_rx: add queue stats get and reset APIs Naga Harish K S V
2021-10-28  7:06   ` [dpdk-dev] [PATCH v2 2/3] eventdev/eth_rx: support telemetry Naga Harish K S V
2021-10-28  7:06   ` [dpdk-dev] [PATCH v2 3/3] test/event: add unit test for Rx adapter Naga Harish K S V
2021-10-28  8:10   ` [dpdk-dev] [PATCH v2 1/3] eventdev/eth_rx: add queue stats get and reset APIs Jayatheerthan, Jay
2021-10-28 10:27   ` [dpdk-dev] [PATCH v3 " Naga Harish K S V
2021-10-28 10:27     ` [dpdk-dev] [PATCH v3 2/3] eventdev/eth_rx: support telemetry Naga Harish K S V
2021-10-28 10:27     ` [dpdk-dev] [PATCH v3 3/3] test/event: add unit test for Rx adapter Naga Harish K S V
2021-11-02 11:00     ` Jerin Jacob [this message]
2021-10-28 10:37   ` [dpdk-dev] [PATCH v3 1/3] eventdev/eth_rx: add queue stats get and reset APIs Naga Harish K S V
2021-10-28 10:37     ` [dpdk-dev] [PATCH v3 2/3] eventdev/eth_rx: support telemetry Naga Harish K S V
2021-10-28 10:37     ` [dpdk-dev] [PATCH v3 3/3] test/event: add unit test for Rx adapter Naga Harish K S V

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