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From: Michal Jastrzebski <michalx.k.jastrzebski@intel.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2 10/10] table: added lpm table stats
Date: Thu, 30 Apr 2015 14:14:38 +0200	[thread overview]
Message-ID: <1430396078-968-11-git-send-email-michalx.k.jastrzebski@intel.com> (raw)
In-Reply-To: <1430396078-968-1-git-send-email-michalx.k.jastrzebski@intel.com>

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

Added lpm table statistics.

Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
---
 config/common_bsdapp             |    1 +
 config/common_linuxapp           |    1 +
 lib/librte_table/rte_table_lpm.c |   34 ++++++++++++++++++++++++++++++++++
 3 files changed, 36 insertions(+)

diff --git a/config/common_bsdapp b/config/common_bsdapp
index acd4866..1d0f5b2 100644
--- a/config/common_bsdapp
+++ b/config/common_bsdapp
@@ -408,6 +408,7 @@ CONFIG_RTE_TABLE_HASH_KEY32_STATS_COLLECT=n
 CONFIG_RTE_TABLE_HASH_KEY8_STATS_COLLECT=n
 CONFIG_RTE_TABLE_HASH_LRU_STATS_COLLECT=n
 CONFIG_RTE_TABLE_LPM_IPV6_STATS_COLLECT=n
+CONFIG_RTE_TABLE_LPM_STATS_COLLECT=n
 
 #
 # Compile librte_pipeline
diff --git a/config/common_linuxapp b/config/common_linuxapp
index 740d769..8b01ca9 100644
--- a/config/common_linuxapp
+++ b/config/common_linuxapp
@@ -415,6 +415,7 @@ CONFIG_RTE_TABLE_HASH_KEY32_STATS_COLLECT=n
 CONFIG_RTE_TABLE_HASH_KEY8_STATS_COLLECT=n
 CONFIG_RTE_TABLE_HASH_LRU_STATS_COLLECT=n
 CONFIG_RTE_TABLE_LPM_IPV6_STATS_COLLECT=n
+CONFIG_RTE_TABLE_LPM_STATS_COLLECT=n
 
 #
 # Compile librte_pipeline
diff --git a/lib/librte_table/rte_table_lpm.c b/lib/librte_table/rte_table_lpm.c
index 64c684d..7d8f670 100644
--- a/lib/librte_table/rte_table_lpm.c
+++ b/lib/librte_table/rte_table_lpm.c
@@ -46,7 +46,23 @@
 
 #define RTE_TABLE_LPM_MAX_NEXT_HOPS                        256
 
+#ifdef RTE_TABLE_LPM_STATS_COLLECT
+
+#define RTE_TABLE_LPM_STATS_PKTS_IN_ADD(table, val) \
+	table->stats.n_pkts_in += val
+#define RTE_TABLE_LPM_STATS_PKTS_LOOKUP_MISS(table, val) \
+	table->stats.n_pkts_lookup_miss += val
+
+#else
+
+#define RTE_TABLE_LPM_STATS_PKTS_IN_ADD(table, val)
+#define RTE_TABLE_LPM_STATS_PKTS_LOOKUP_MISS(table, val)
+
+#endif
+
 struct rte_table_lpm {
+	struct rte_table_stats stats;
+
 	/* Input parameters */
 	uint32_t entry_size;
 	uint32_t entry_unique_size;
@@ -313,6 +329,9 @@ rte_table_lpm_lookup(
 	uint64_t pkts_out_mask = 0;
 	uint32_t i;
 
+	__rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
+	RTE_TABLE_LPM_STATS_PKTS_IN_ADD(lpm, n_pkts_in);
+
 	pkts_out_mask = 0;
 	for (i = 0; i < (uint32_t)(RTE_PORT_IN_BURST_SIZE_MAX -
 		__builtin_clzll(pkts_mask)); i++) {
@@ -335,6 +354,20 @@ rte_table_lpm_lookup(
 	}
 
 	*lookup_hit_mask = pkts_out_mask;
+	RTE_TABLE_LPM_STATS_PKTS_LOOKUP_MISS(lpm, n_pkts_in - __builtin_popcountll(pkts_out_mask));
+	return 0;
+}
+
+static int
+rte_table_lpm_stats_read(void *table, struct rte_table_stats *stats, int clear)
+{
+	struct rte_table_lpm *t = (struct rte_table_lpm *) table;
+
+	if (stats != NULL)
+		memcpy(stats, &t->stats, sizeof(t->stats));
+
+	if (clear)
+		memset(&t->stats, 0, sizeof(t->stats));
 
 	return 0;
 }
@@ -345,4 +378,5 @@ struct rte_table_ops rte_table_lpm_ops = {
 	.f_add = rte_table_lpm_entry_add,
 	.f_delete = rte_table_lpm_entry_delete,
 	.f_lookup = rte_table_lpm_lookup,
+	.f_stats = rte_table_lpm_stats_read,
 };
-- 
1.7.9.5

  parent reply	other threads:[~2015-04-30 12:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-30 12:14 [dpdk-dev] [PATCH v2 00/10] table: added table statistics Michal Jastrzebski
2015-04-30 12:14 ` [dpdk-dev] [PATCH v2 01/10] table: added structure for storing table stats Michal Jastrzebski
2015-04-30 12:14 ` [dpdk-dev] [PATCH v2 02/10] table: added acl " Michal Jastrzebski
2015-04-30 15:55   ` Stephen Hemminger
2015-05-18 10:57     ` Thomas Monjalon
2015-04-30 12:14 ` [dpdk-dev] [PATCH v2 03/10] table: added array " Michal Jastrzebski
2015-04-30 12:14 ` [dpdk-dev] [PATCH v2 04/10] table: added hash_ext " Michal Jastrzebski
2015-04-30 12:14 ` [dpdk-dev] [PATCH v2 05/10] table: added hash_key16 " Michal Jastrzebski
2015-04-30 12:14 ` [dpdk-dev] [PATCH v2 06/10] table: added hash_key32 " Michal Jastrzebski
2015-04-30 12:14 ` [dpdk-dev] [PATCH v2 07/10] table: added hash_key8 " Michal Jastrzebski
2015-04-30 12:14 ` [dpdk-dev] [PATCH v2 08/10] table: added hash_lru " Michal Jastrzebski
2015-04-30 12:14 ` [dpdk-dev] [PATCH v2 09/10] table: added lpm_ipv6 " Michal Jastrzebski
2015-04-30 12:14 ` Michal Jastrzebski [this message]
2015-05-05 15:10 ` [dpdk-dev] [PATCH v2 00/10] table: added table statistics Dumitrescu, Cristian

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