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From: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v5 08/11] table: added hash_lru table stats
Date: Fri, 19 Jun 2015 12:28:41 +0200	[thread overview]
Message-ID: <1434709724-4574-9-git-send-email-maciejx.t.gajdzica@intel.com> (raw)
In-Reply-To: <1434709724-4574-1-git-send-email-maciejx.t.gajdzica@intel.com>

Added statistics for hash_lru table.

Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
---
 lib/librte_table/rte_table_hash_lru.c |   44 +++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/lib/librte_table/rte_table_hash_lru.c b/lib/librte_table/rte_table_hash_lru.c
index c9a8afd..c4b6079 100644
--- a/lib/librte_table/rte_table_hash_lru.c
+++ b/lib/librte_table/rte_table_hash_lru.c
@@ -45,6 +45,20 @@
 
 #define KEYS_PER_BUCKET	4
 
+#ifdef RTE_TABLE_STATS_COLLECT
+
+#define RTE_TABLE_HASH_LRU_STATS_PKTS_IN_ADD(table, val) \
+	table->stats.n_pkts_in += val
+#define RTE_TABLE_HASH_LRU_STATS_PKTS_LOOKUP_MISS(table, val) \
+	table->stats.n_pkts_lookup_miss += val
+
+#else
+
+#define RTE_TABLE_HASH_LRU_STATS_PKTS_IN_ADD(table, val)
+#define RTE_TABLE_HASH_LRU_STATS_PKTS_LOOKUP_MISS(table, val)
+
+#endif
+
 struct bucket {
 	union {
 		struct bucket *next;
@@ -63,6 +77,8 @@ struct grinder {
 };
 
 struct rte_table_hash {
+	struct rte_table_stats stats;
+
 	/* Input parameters */
 	uint32_t key_size;
 	uint32_t entry_size;
@@ -368,6 +384,9 @@ static int rte_table_hash_lru_lookup_unoptimized(
 	struct rte_table_hash *t = (struct rte_table_hash *) table;
 	uint64_t pkts_mask_out = 0;
 
+	__rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
+	RTE_TABLE_HASH_LRU_STATS_PKTS_IN_ADD(t, n_pkts_in);
+
 	for ( ; pkts_mask; ) {
 		struct bucket *bkt;
 		struct rte_mbuf *pkt;
@@ -412,6 +431,7 @@ static int rte_table_hash_lru_lookup_unoptimized(
 	}
 
 	*lookup_hit_mask = pkts_mask_out;
+	RTE_TABLE_HASH_LRU_STATS_PKTS_LOOKUP_MISS(t, n_pkts_in - __builtin_popcountll(pkts_mask_out));
 	return 0;
 }
 
@@ -804,6 +824,9 @@ static int rte_table_hash_lru_lookup(
 	uint64_t pkts_mask_out = 0, pkts_mask_match_many = 0;
 	int status = 0;
 
+	__rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
+	RTE_TABLE_HASH_LRU_STATS_PKTS_IN_ADD(t, n_pkts_in);
+
 	/* Cannot run the pipeline with less than 7 packets */
 	if (__builtin_popcountll(pkts_mask) < 7)
 		return rte_table_hash_lru_lookup_unoptimized(table, pkts,
@@ -916,6 +939,7 @@ static int rte_table_hash_lru_lookup(
 	}
 
 	*lookup_hit_mask = pkts_mask_out;
+	RTE_TABLE_HASH_LRU_STATS_PKTS_LOOKUP_MISS(t, n_pkts_in - __builtin_popcountll(pkts_mask_out));
 	return status;
 }
 
@@ -933,6 +957,9 @@ static int rte_table_hash_lru_lookup_dosig(
 	uint64_t pkts_mask_out = 0, pkts_mask_match_many = 0;
 	int status = 0;
 
+	__rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
+	RTE_TABLE_HASH_LRU_STATS_PKTS_IN_ADD(t, n_pkts_in);
+
 	/* Cannot run the pipeline with less than 7 packets */
 	if (__builtin_popcountll(pkts_mask) < 7)
 		return rte_table_hash_lru_lookup_unoptimized(table, pkts,
@@ -1045,15 +1072,31 @@ static int rte_table_hash_lru_lookup_dosig(
 	}
 
 	*lookup_hit_mask = pkts_mask_out;
+	RTE_TABLE_HASH_LRU_STATS_PKTS_LOOKUP_MISS(t, n_pkts_in - __builtin_popcountll(pkts_mask_out));
 	return status;
 }
 
+static int
+rte_table_hash_lru_stats_read(void *table, struct rte_table_stats *stats, int clear)
+{
+	struct rte_table_hash *t = (struct rte_table_hash *) table;
+
+	if (stats != NULL)
+		memcpy(stats, &t->stats, sizeof(t->stats));
+
+	if (clear)
+		memset(&t->stats, 0, sizeof(t->stats));
+
+	return 0;
+}
+
 struct rte_table_ops rte_table_hash_lru_ops = {
 	.f_create = rte_table_hash_lru_create,
 	.f_free = rte_table_hash_lru_free,
 	.f_add = rte_table_hash_lru_entry_add,
 	.f_delete = rte_table_hash_lru_entry_delete,
 	.f_lookup = rte_table_hash_lru_lookup,
+	.f_stats = rte_table_hash_lru_stats_read,
 };
 
 struct rte_table_ops rte_table_hash_lru_dosig_ops = {
@@ -1062,4 +1105,5 @@ struct rte_table_ops rte_table_hash_lru_dosig_ops = {
 	.f_add = rte_table_hash_lru_entry_add,
 	.f_delete = rte_table_hash_lru_entry_delete,
 	.f_lookup = rte_table_hash_lru_lookup_dosig,
+	.f_stats = rte_table_hash_lru_stats_read,
 };
-- 
1.7.9.5

  parent reply	other threads:[~2015-06-19 10:56 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-19 10:28 [dpdk-dev] [PATCH v5 00/11] table: added table statistics Maciej Gajdzica
2015-06-19 10:28 ` [dpdk-dev] [PATCH v5 01/11] table: added structure for storing table stats and config option Maciej Gajdzica
2015-06-19 10:28 ` [dpdk-dev] [PATCH v5 02/11] table: added acl table stats Maciej Gajdzica
2015-06-19 10:28 ` [dpdk-dev] [PATCH v5 03/11] table: added array " Maciej Gajdzica
2015-06-19 10:28 ` [dpdk-dev] [PATCH v5 04/11] table: added hash_ext " Maciej Gajdzica
2015-06-19 10:28 ` [dpdk-dev] [PATCH v5 05/11] table: added hash_key16 " Maciej Gajdzica
2015-06-19 10:28 ` [dpdk-dev] [PATCH v5 06/11] table: added hash_key32 " Maciej Gajdzica
2015-06-19 10:28 ` [dpdk-dev] [PATCH v5 07/11] table: added hash_key8 " Maciej Gajdzica
2015-06-19 10:28 ` Maciej Gajdzica [this message]
2015-06-19 10:28 ` [dpdk-dev] [PATCH v5 09/11] table: added lpm_ipv6 " Maciej Gajdzica
2015-06-19 10:28 ` [dpdk-dev] [PATCH v5 10/11] table: added lpm " Maciej Gajdzica
2015-06-19 10:28 ` [dpdk-dev] [PATCH v5 11/11] table: added stub " Maciej Gajdzica
2015-06-23 10:27 ` [dpdk-dev] [PATCH v5 00/11] table: added table statistics Dumitrescu, Cristian
2015-06-23 21:04   ` Thomas Monjalon

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