From fd3d896432883ee7f018c899f86ddd828b129256 Mon Sep 17 00:00:00 2001 From: Maciej Gajdzica Date: Fri, 19 Jun 2015 12:28:44 +0200 Subject: [PATCH] table: add stub stats Added stub table statistics. Signed-off-by: Maciej Gajdzica Acked-by: Cristian Dumitrescu --- lib/librte_table/rte_table_stub.c | 56 ++++++++++++++++++++++++++++++- 1 file changed, 55 insertions(+), 1 deletion(-) diff --git a/lib/librte_table/rte_table_stub.c b/lib/librte_table/rte_table_stub.c index 876b7e4905..c1065efeb0 100644 --- a/lib/librte_table/rte_table_stub.c +++ b/lib/librte_table/rte_table_stub.c @@ -31,16 +31,50 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +#include + #include +#include #include "rte_table_stub.h" +#ifdef RTE_TABLE_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_stub { + struct rte_table_stats stats; +}; + static void * rte_table_stub_create(__rte_unused void *params, __rte_unused int socket_id, __rte_unused uint32_t entry_size) { - return (void *) 1; + struct rte_table_stub *stub; + uint32_t size; + + size = sizeof(struct rte_table_stub); + stub = rte_zmalloc_socket("TABLE", size, RTE_CACHE_LINE_SIZE, + socket_id); + if (stub == NULL) { + RTE_LOG(ERR, TABLE, + "%s: Cannot allocate %u bytes for stub table\n", + __func__, size); + return NULL; + } + + return stub; } static int @@ -51,7 +85,26 @@ rte_table_stub_lookup( uint64_t *lookup_hit_mask, __rte_unused void **entries) { + __rte_unused struct rte_table_stub *stub = (struct rte_table_stub *) table; + __rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask); + + RTE_TABLE_LPM_STATS_PKTS_IN_ADD(stub, n_pkts_in); *lookup_hit_mask = 0; + RTE_TABLE_LPM_STATS_PKTS_LOOKUP_MISS(stub, n_pkts_in); + + return 0; +} + +static int +rte_table_stub_stats_read(void *table, struct rte_table_stats *stats, int clear) +{ + struct rte_table_stub *t = (struct rte_table_stub *) table; + + if (stats != NULL) + memcpy(stats, &t->stats, sizeof(t->stats)); + + if (clear) + memset(&t->stats, 0, sizeof(t->stats)); return 0; } @@ -62,4 +115,5 @@ struct rte_table_ops rte_table_stub_ops = { .f_add = NULL, .f_delete = NULL, .f_lookup = rte_table_stub_lookup, + .f_stats = rte_table_stub_stats_read, }; -- 2.20.1