[dpdk-dev] [PATCH v3 08/13] port: added port_ring_writer stats
Maciej Gajdzica
maciejx.t.gajdzica at intel.com
Tue May 26 11:22:41 CEST 2015
Added statistics for port writer port.
Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica at intel.com>
---
lib/librte_port/rte_port_ring.c | 38 ++++++++++++++++++++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/lib/librte_port/rte_port_ring.c b/lib/librte_port/rte_port_ring.c
index e35a611..9fdd7d5 100644
--- a/lib/librte_port/rte_port_ring.c
+++ b/lib/librte_port/rte_port_ring.c
@@ -133,7 +133,23 @@ rte_port_ring_reader_stats_read(void *port,
/*
* Port RING Writer
*/
+#if RTE_LOG_LEVEL == RTE_LOG_DEBUG
+
+#define RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(port, val) \
+ port->stats.n_pkts_in += val
+#define RTE_PORT_RING_WRITER_STATS_PKTS_DROP_ADD(port, val) \
+ port->stats.n_pkts_drop += val
+
+#else
+
+#define RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(port, val)
+#define RTE_PORT_RING_WRITER_STATS_PKTS_DROP_ADD(port, val)
+
+#endif
+
struct rte_port_ring_writer {
+ struct rte_port_out_stats stats;
+
struct rte_mbuf *tx_buf[RTE_PORT_IN_BURST_SIZE_MAX];
struct rte_ring *ring;
uint32_t tx_burst_sz;
@@ -181,6 +197,7 @@ send_burst(struct rte_port_ring_writer *p)
nb_tx = rte_ring_sp_enqueue_burst(p->ring, (void **)p->tx_buf,
p->tx_buf_count);
+ RTE_PORT_RING_WRITER_STATS_PKTS_DROP_ADD(p, p->tx_buf_count - nb_tx);
for ( ; nb_tx < p->tx_buf_count; nb_tx++)
rte_pktmbuf_free(p->tx_buf[nb_tx]);
@@ -193,6 +210,7 @@ rte_port_ring_writer_tx(void *port, struct rte_mbuf *pkt)
struct rte_port_ring_writer *p = (struct rte_port_ring_writer *) port;
p->tx_buf[p->tx_buf_count++] = pkt;
+ RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(p, 1);
if (p->tx_buf_count >= p->tx_burst_sz)
send_burst(p);
@@ -219,8 +237,10 @@ rte_port_ring_writer_tx_bulk(void *port,
if (tx_buf_count)
send_burst(p);
+ RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(p, n_pkts);
n_pkts_ok = rte_ring_sp_enqueue_burst(p->ring, (void **)pkts, n_pkts);
+ RTE_PORT_RING_WRITER_STATS_PKTS_DROP_ADD(p, n_pkts - n_pkts_ok);
for ( ; n_pkts_ok < n_pkts; n_pkts_ok++) {
struct rte_mbuf *pkt = pkts[n_pkts_ok];
@@ -233,6 +253,7 @@ rte_port_ring_writer_tx_bulk(void *port,
struct rte_mbuf *pkt = pkts[pkt_index];
p->tx_buf[tx_buf_count++] = pkt;
+ RTE_PORT_RING_WRITER_STATS_PKTS_IN_ADD(p, 1);
pkts_mask &= ~pkt_mask;
}
@@ -269,6 +290,22 @@ rte_port_ring_writer_free(void *port)
return 0;
}
+static int
+rte_port_ring_writer_stats_read(void *port,
+ struct rte_port_out_stats *stats, int clear)
+{
+ struct rte_port_ring_writer *p =
+ (struct rte_port_ring_writer *) port;
+
+ if (stats != NULL)
+ memcpy(stats, &p->stats, sizeof(p->stats));
+
+ if (clear)
+ memset(&p->stats, 0, sizeof(p->stats));
+
+ return 0;
+}
+
/*
* Port RING Writer Nodrop
*/
@@ -455,6 +492,7 @@ struct rte_port_out_ops rte_port_ring_writer_ops = {
.f_tx = rte_port_ring_writer_tx,
.f_tx_bulk = rte_port_ring_writer_tx_bulk,
.f_flush = rte_port_ring_writer_flush,
+ .f_stats = rte_port_ring_writer_stats_read,
};
struct rte_port_out_ops rte_port_ring_writer_nodrop_ops = {
--
1.7.9.5
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