[dpdk-dev] [PATCH v4 10/13] port: added port_sched_reader stats

[Michal Jastrzebski]

From: Maciej Gajdzica <maciejx.t.gajdz...@intel.com>

Added statistics for sched reader port.

Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica at intel.com>
---
 lib/librte_port/rte_port_sched.c |   39 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/lib/librte_port/rte_port_sched.c b/lib/librte_port/rte_port_sched.c
index 2107f4c..a82e4fa 100644
--- a/lib/librte_port/rte_port_sched.c
+++ b/lib/librte_port/rte_port_sched.c
@@ -40,7 +40,23 @@
 /*
  * Reader
  */
+#ifdef RTE_PORT_STATS_COLLECT
+
+#define RTE_PORT_SCHED_READER_PKTS_IN_ADD(port, val) \
+       port->stats.n_pkts_in += val
+#define RTE_PORT_SCHED_READER_PKTS_DROP_ADD(port, val) \
+       port->stats.n_pkts_drop += val
+
+#else
+
+#define RTE_PORT_SCHED_READER_PKTS_IN_ADD(port, val)
+#define RTE_PORT_SCHED_READER_PKTS_DROP_ADD(port, val)
+
+#endif
+
 struct rte_port_sched_reader {
+       struct rte_port_in_stats stats;
+
        struct rte_sched_port *sched;
 };

@@ -76,8 +92,12 @@ static int
 rte_port_sched_reader_rx(void *port, struct rte_mbuf **pkts, uint32_t n_pkts)
 {
        struct rte_port_sched_reader *p = (struct rte_port_sched_reader *) port;
+       uint32_t nb_rx;

-       return rte_sched_port_dequeue(p->sched, pkts, n_pkts);
+       nb_rx = rte_sched_port_dequeue(p->sched, pkts, n_pkts);
+       RTE_PORT_SCHED_READER_PKTS_IN_ADD(p, nb_rx);
+
+       return nb_rx;
 }

 static int
@@ -93,6 +113,22 @@ rte_port_sched_reader_free(void *port)
        return 0;
 }

+static int
+rte_port_sched_reader_stats_read(void *port,
+               struct rte_port_in_stats *stats, int clear)
+{
+       struct rte_port_sched_reader *p =
+               (struct rte_port_sched_reader *) port;
+
+       if (stats != NULL)
+               memcpy(stats, &p->stats, sizeof(p->stats));
+
+       if (clear)
+               memset(&p->stats, 0, sizeof(p->stats));
+
+       return 0;
+}
+
 /*
  * Writer
  */
@@ -228,6 +264,7 @@ struct rte_port_in_ops rte_port_sched_reader_ops = {
        .f_create = rte_port_sched_reader_create,
        .f_free = rte_port_sched_reader_free,
        .f_rx = rte_port_sched_reader_rx,
+       .f_stats = rte_port_sched_reader_stats_read,
 };

 struct rte_port_out_ops rte_port_sched_writer_ops = {
-- 
1.7.9.5