From: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v3] pipeline: add statistics for librte_pipeline ports and tables
Date: Tue, 26 May 2015 15:39:18 +0200 [thread overview]
Message-ID: <1432647558-9062-1-git-send-email-maciejx.t.gajdzica@intel.com> (raw)
This patch adds statistics collection for librte_pipeline.
Those statistics ale disabled by default during build time.
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
---
lib/librte_pipeline/rte_pipeline.c | 185 +++++++++++++++++++++++++++++++++---
lib/librte_pipeline/rte_pipeline.h | 98 +++++++++++++++++++
2 files changed, 272 insertions(+), 11 deletions(-)
diff --git a/lib/librte_pipeline/rte_pipeline.c b/lib/librte_pipeline/rte_pipeline.c
index 36d92c9..3ef36ad 100644
--- a/lib/librte_pipeline/rte_pipeline.c
+++ b/lib/librte_pipeline/rte_pipeline.c
@@ -48,6 +48,17 @@
#define RTE_TABLE_INVALID UINT32_MAX
+#if RTE_LOG_LEVEL == RTE_LOG_DEBUG
+#define RTE_PIPELINE_STATS_ADD(counter, val) \
+ ({ (counter) += (val); })
+
+#define RTE_PIPELINE_STATS_ADD_M(counter, mask) \
+ ({ (counter) += __builtin_popcountll(mask); })
+#else
+#define RTE_PIPELINE_STATS_ADD(counter, val)
+#define RTE_PIPELINE_STATS_ADD_M(counter, mask)
+#endif
+
struct rte_port_in {
/* Input parameters */
struct rte_port_in_ops ops;
@@ -63,6 +74,8 @@ struct rte_port_in {
/* List of enabled ports */
struct rte_port_in *next;
+
+ uint64_t n_pkts_dropped_by_ah;
};
struct rte_port_out {
@@ -74,6 +87,8 @@ struct rte_port_out {
/* Handle to low-level port */
void *h_port;
+
+ uint64_t n_pkts_dropped_by_ah;
};
struct rte_table {
@@ -90,6 +105,12 @@ struct rte_table {
/* Handle to the low-level table object */
void *h_table;
+
+ /* Stats for this table. */
+ uint64_t n_pkts_dropped_by_lkp_hit_ah;
+ uint64_t n_pkts_dropped_by_lkp_miss_ah;
+ uint64_t n_pkts_dropped_lkp_hit;
+ uint64_t n_pkts_dropped_lkp_miss;
};
#define RTE_PIPELINE_MAX_NAME_SZ 124
@@ -1040,6 +1061,8 @@ rte_pipeline_action_handler_port_bulk(struct rte_pipeline *p,
port_out->f_action_bulk(p->pkts, &pkts_mask, port_out->arg_ah);
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |= pkts_mask ^ mask;
+ RTE_PIPELINE_STATS_ADD_M(port_out->n_pkts_dropped_by_ah,
+ pkts_mask ^ mask);
}
/* Output port TX */
@@ -1071,6 +1094,9 @@ rte_pipeline_action_handler_port(struct rte_pipeline *p, uint64_t pkts_mask)
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
(pkt_mask ^ 1LLU) << i;
+ RTE_PIPELINE_STATS_ADD(port_out->n_pkts_dropped_by_ah,
+ pkt_mask ^ 1LLU);
+
/* Output port TX */
if (pkt_mask != 0)
port_out->ops.f_tx(port_out->h_port,
@@ -1104,6 +1130,9 @@ rte_pipeline_action_handler_port(struct rte_pipeline *p, uint64_t pkts_mask)
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
(pkt_mask ^ 1LLU) << i;
+ RTE_PIPELINE_STATS_ADD(port_out->n_pkts_dropped_by_ah,
+ pkt_mask ^ 1LLU);
+
/* Output port TX */
if (pkt_mask != 0)
port_out->ops.f_tx(port_out->h_port,
@@ -1140,6 +1169,9 @@ rte_pipeline_action_handler_port_meta(struct rte_pipeline *p,
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
(pkt_mask ^ 1LLU) << i;
+ RTE_PIPELINE_STATS_ADD(port_out->n_pkts_dropped_by_ah,
+ pkt_mask ^ 1ULL);
+
/* Output port TX */
if (pkt_mask != 0)
port_out->ops.f_tx(port_out->h_port,
@@ -1174,6 +1206,9 @@ rte_pipeline_action_handler_port_meta(struct rte_pipeline *p,
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
(pkt_mask ^ 1LLU) << i;
+ RTE_PIPELINE_STATS_ADD(port_out->n_pkts_dropped_by_ah,
+ pkt_mask ^ 1ULL);
+
/* Output port TX */
if (pkt_mask != 0)
port_out->ops.f_tx(port_out->h_port,
@@ -1232,10 +1267,10 @@ rte_pipeline_run(struct rte_pipeline *p)
if (port_in->f_action != NULL) {
uint64_t mask = pkts_mask;
- port_in->f_action(p->pkts, n_pkts, &pkts_mask,
- port_in->arg_ah);
- p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
- pkts_mask ^ mask;
+ port_in->f_action(p->pkts, n_pkts, &pkts_mask, port_in->arg_ah);
+ mask ^= pkts_mask;
+ p->action_mask0[RTE_PIPELINE_ACTION_DROP] |= mask;
+ RTE_PIPELINE_STATS_ADD_M(port_in->n_pkts_dropped_by_ah, mask);
}
/* Table */
@@ -1261,9 +1296,10 @@ rte_pipeline_run(struct rte_pipeline *p)
table->f_action_miss(p->pkts,
&lookup_miss_mask,
default_entry, table->arg_ah);
- p->action_mask0[
- RTE_PIPELINE_ACTION_DROP] |=
- lookup_miss_mask ^ mask;
+ mask ^= lookup_miss_mask;
+ p->action_mask0[RTE_PIPELINE_ACTION_DROP] |= mask;
+ RTE_PIPELINE_STATS_ADD_M(
+ table->n_pkts_dropped_by_lkp_miss_ah, mask);
}
/* Table reserved actions */
@@ -1277,6 +1313,10 @@ rte_pipeline_run(struct rte_pipeline *p)
uint32_t pos = default_entry->action;
p->action_mask0[pos] = lookup_miss_mask;
+ if (pos == RTE_PIPELINE_ACTION_DROP) {
+ RTE_PIPELINE_STATS_ADD_M(table->n_pkts_dropped_lkp_miss,
+ lookup_miss_mask);
+ }
}
}
@@ -1289,9 +1329,10 @@ rte_pipeline_run(struct rte_pipeline *p)
table->f_action_hit(p->pkts,
&lookup_hit_mask,
p->entries, table->arg_ah);
- p->action_mask0[
- RTE_PIPELINE_ACTION_DROP] |=
- lookup_hit_mask ^ mask;
+ mask ^= lookup_hit_mask;
+ p->action_mask0[RTE_PIPELINE_ACTION_DROP] |= mask;
+ RTE_PIPELINE_STATS_ADD_M(
+ table->n_pkts_dropped_by_lkp_hit_ah, mask);
}
/* Table reserved actions */
@@ -1308,6 +1349,9 @@ rte_pipeline_run(struct rte_pipeline *p)
p->action_mask0[RTE_PIPELINE_ACTION_TABLE] |=
p->action_mask1[
RTE_PIPELINE_ACTION_TABLE];
+
+ RTE_PIPELINE_STATS_ADD_M(table->n_pkts_dropped_lkp_hit,
+ p->action_mask1[RTE_PIPELINE_ACTION_DROP]);
}
/* Prepare for next iteration */
@@ -1370,9 +1414,128 @@ rte_pipeline_port_out_packet_insert(struct rte_pipeline *p,
if (pkt_mask != 0) /* Output port TX */
port_out->ops.f_tx(port_out->h_port, pkt);
- else
+ else {
rte_pktmbuf_free(pkt);
+ RTE_PIPELINE_STATS_ADD(port_out->n_pkts_dropped_by_ah, 1);
+ }
+ }
+
+ return 0;
+}
+
+int rte_pipeline_port_in_stats_read(struct rte_pipeline *p, uint32_t port_id,
+ struct rte_pipeline_port_in_stats *stats, int clear)
+{
+ struct rte_port_in *port;
+ int retval;
+
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (port_id >= p->num_ports_in) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: port IN ID %u is out of range\n",
+ __func__, port_id);
+ return -EINVAL;
+ }
+
+ port = &p->ports_in[port_id];
+
+ if (port->ops.f_stats != NULL) {
+ retval = port->ops.f_stats(port->h_port, &stats->stats, clear);
+ if (retval)
+ return retval;
+ } else if (stats != NULL)
+ memset(&stats->stats, 0, sizeof(stats->stats));
+
+ if (stats != NULL)
+ stats->n_pkts_dropped_by_ah = port->n_pkts_dropped_by_ah;
+
+ if (clear != 0)
+ port->n_pkts_dropped_by_ah = 0;
+
+ return 0;
+}
+
+int rte_pipeline_port_out_stats_read(struct rte_pipeline *p, uint32_t port_id,
+ struct rte_pipeline_port_out_stats *stats, int clear)
+{
+ struct rte_port_out *port;
+ int retval;
+
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (port_id >= p->num_ports_out) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: port OUT ID %u is out of range\n", __func__, port_id);
+ return -EINVAL;
+ }
+
+ port = &p->ports_out[port_id];
+ if (port->ops.f_stats != NULL) {
+ retval = port->ops.f_stats(port->h_port, &stats->stats, clear);
+ if (retval != 0)
+ return retval;
+ } else if (stats != NULL)
+ memset(&stats->stats, 0, sizeof(stats->stats));
+
+ if (stats != NULL)
+ stats->n_pkts_dropped_by_ah = port->n_pkts_dropped_by_ah;
+
+ if (clear != 0)
+ port->n_pkts_dropped_by_ah = 0;
+
+ return 0;
+}
+
+int rte_pipeline_table_stats_read(struct rte_pipeline *p, uint32_t table_id,
+ struct rte_pipeline_table_stats *stats, int clear)
+{
+ struct rte_table *table;
+ int retval;
+
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (table_id >= p->num_tables) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: table %u is out of range\n", __func__, table_id);
+ return -EINVAL;
+ }
+
+ table = &p->tables[table_id];
+ if (table->ops.f_stats != NULL) {
+ retval = table->ops.f_stats(table->h_table, &stats->stats, clear);
+ if (retval != 0)
+ return retval;
+ } else if (stats != NULL)
+ memset(&stats->stats, 0, sizeof(stats->stats));
+
+ if (stats != NULL) {
+ stats->n_pkts_dropped_by_lkp_hit_ah =
+ table->n_pkts_dropped_by_lkp_hit_ah;
+ stats->n_pkts_dropped_by_lkp_miss_ah =
+ table->n_pkts_dropped_by_lkp_miss_ah;
+ stats->n_pkts_dropped_lkp_hit = table->n_pkts_dropped_lkp_hit;
+ stats->n_pkts_dropped_lkp_miss = table->n_pkts_dropped_lkp_miss;
+ }
+
+ if (clear != 0) {
+ table->n_pkts_dropped_by_lkp_hit_ah = 0;
+ table->n_pkts_dropped_by_lkp_miss_ah = 0;
+ table->n_pkts_dropped_lkp_hit = 0;
+ table->n_pkts_dropped_lkp_miss = 0;
}
return 0;
}
+
diff --git a/lib/librte_pipeline/rte_pipeline.h b/lib/librte_pipeline/rte_pipeline.h
index 145fc06..59e0710 100644
--- a/lib/librte_pipeline/rte_pipeline.h
+++ b/lib/librte_pipeline/rte_pipeline.h
@@ -112,6 +112,45 @@ struct rte_pipeline_params {
uint32_t offset_port_id;
};
+/** Pipeline port in stats. */
+struct rte_pipeline_port_in_stats {
+ /** Port in stats. */
+ struct rte_port_in_stats stats;
+
+ /** Number of packets dropped by action handler. */
+ uint64_t n_pkts_dropped_by_ah;
+
+};
+
+/** Pipeline port out stats. */
+struct rte_pipeline_port_out_stats {
+ /** Port out stats. */
+ struct rte_port_out_stats stats;
+
+ /** Number of packets dropped by action handler. */
+ uint64_t n_pkts_dropped_by_ah;
+};
+
+/** Pipeline table stats. */
+struct rte_pipeline_table_stats {
+ /** Table stats. */
+ struct rte_table_stats stats;
+
+ /** Number of packets dropped by lookup hit action handler. */
+ uint64_t n_pkts_dropped_by_lkp_hit_ah;
+
+ /** Number of packets dropped by lookup miss action handler. */
+ uint64_t n_pkts_dropped_by_lkp_miss_ah;
+
+ /** Number of packets dropped by pipeline in behalf of this table based on
+ * on action specified in table entry. */
+ uint64_t n_pkts_dropped_lkp_hit;
+
+ /** Number of packets dropped by pipeline in behalf of this table based on
+ * on action specified in table entry. */
+ uint64_t n_pkts_dropped_lkp_miss;
+};
+
/**
* Pipeline create
*
@@ -426,6 +465,26 @@ int rte_pipeline_table_entry_delete(struct rte_pipeline *p,
int *key_found,
struct rte_pipeline_table_entry *entry);
+/**
+ * Read pipeline table stats.
+ *
+ * This function reads table statistics identified by *table_id* of given
+ * pipeline *p*.
+ *
+ * @param p
+ * Handle to pipeline instance.
+ * @param table_id
+ * Port ID what stats will be returned.
+ * @param stats
+ * Statistics buffer.
+ * @param clear
+ * If not 0 clear stats after reading.
+ * @return
+ * 0 on success, error code otherwise
+ */
+int rte_pipeline_table_stats_read(struct rte_pipeline *p, uint32_t table_id,
+ struct rte_pipeline_table_stats *stats, int clear);
+
/*
* Port IN
*
@@ -540,6 +599,26 @@ int rte_pipeline_port_in_enable(struct rte_pipeline *p,
int rte_pipeline_port_in_disable(struct rte_pipeline *p,
uint32_t port_id);
+/**
+ * Read pipeline port in stats.
+ *
+ * This function reads port in statistics identified by *port_id* of given
+ * pipeline *p*.
+ *
+ * @param p
+ * Handle to pipeline instance.
+ * @param port_id
+ * Port ID what stats will be returned.
+ * @param stats
+ * Statistics buffer.
+ * @param clear
+ * If not 0 clear stats after reading.
+ * @return
+ * 0 on success, error code otherwise
+ */
+int rte_pipeline_port_in_stats_read(struct rte_pipeline *p, uint32_t port_id,
+ struct rte_pipeline_port_in_stats *stats, int clear);
+
/*
* Port OUT
*
@@ -658,6 +737,25 @@ int rte_pipeline_port_out_packet_insert(struct rte_pipeline *p,
uint32_t port_id,
struct rte_mbuf *pkt);
+/**
+ * Read pipeline port out stats.
+ *
+ * This function reads port out statistics identified by *port_id* of given
+ * pipeline *p*.
+ *
+ * @param p
+ * Handle to pipeline instance.
+ * @param port_id
+ * Port ID what stats will be returned.
+ * @param stats
+ * Statistics buffer.
+ * @param clear
+ * If not 0 clear stats after reading.
+ * @return
+ * 0 on success, error code otherwise
+ */
+int rte_pipeline_port_out_stats_read(struct rte_pipeline *p, uint32_t port_id,
+ struct rte_pipeline_port_out_stats *stats, int clear);
#ifdef __cplusplus
}
#endif
--
1.7.9.5
next reply other threads:[~2015-05-26 13:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-26 13:39 Maciej Gajdzica [this message]
2015-05-26 13:51 ` Dumitrescu, Cristian
2015-05-26 14:57 ` Stephen Hemminger
2015-05-26 21:35 ` Dumitrescu, Cristian
2015-05-26 21:47 ` Stephen Hemminger
2015-05-26 22:30 ` Dumitrescu, Cristian
2015-05-27 4:30 ` Thomas Monjalon
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