From 9f5468e247646451716de3843dfa5b506dbdbe70 Mon Sep 17 00:00:00 2001 From: Maciej Gajdzica Date: Fri, 19 Jun 2015 12:28:36 +0200 Subject: [PATCH] table: add array stats Added statistics for array table. Signed-off-by: Maciej Gajdzica Acked-by: Cristian Dumitrescu --- lib/librte_table/rte_table_array.c | 34 +++++++++++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-) diff --git a/lib/librte_table/rte_table_array.c b/lib/librte_table/rte_table_array.c index b00ca67e93..422f8c36a3 100644 --- a/lib/librte_table/rte_table_array.c +++ b/lib/librte_table/rte_table_array.c @@ -42,7 +42,23 @@ #include "rte_table_array.h" +#ifdef RTE_TABLE_STATS_COLLECT + +#define RTE_TABLE_ARRAY_STATS_PKTS_IN_ADD(table, val) \ + table->stats.n_pkts_in += val +#define RTE_TABLE_ARRAY_STATS_PKTS_LOOKUP_MISS(table, val) \ + table->stats.n_pkts_lookup_miss += val + +#else + +#define RTE_TABLE_ARRAY_STATS_PKTS_IN_ADD(table, val) +#define RTE_TABLE_ARRAY_STATS_PKTS_LOOKUP_MISS(table, val) + +#endif + struct rte_table_array { + struct rte_table_stats stats; + /* Input parameters */ uint32_t entry_size; uint32_t n_entries; @@ -162,7 +178,8 @@ rte_table_array_lookup( void **entries) { struct rte_table_array *t = (struct rte_table_array *) table; - + __rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask); + RTE_TABLE_ARRAY_STATS_PKTS_IN_ADD(t, n_pkts_in); *lookup_hit_mask = pkts_mask; if ((pkts_mask & (pkts_mask + 1)) == 0) { @@ -194,10 +211,25 @@ rte_table_array_lookup( return 0; } +static int +rte_table_array_stats_read(void *table, struct rte_table_stats *stats, int clear) +{ + struct rte_table_array *array = (struct rte_table_array *) table; + + if (stats != NULL) + memcpy(stats, &array->stats, sizeof(array->stats)); + + if (clear) + memset(&array->stats, 0, sizeof(array->stats)); + + return 0; +} + struct rte_table_ops rte_table_array_ops = { .f_create = rte_table_array_create, .f_free = rte_table_array_free, .f_add = rte_table_array_entry_add, .f_delete = NULL, .f_lookup = rte_table_array_lookup, + .f_stats = rte_table_array_stats_read, }; -- 2.20.1