From patchwork Fri Jun 19 10:28:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maciej Gajdzica X-Patchwork-Id: 5587 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id D54DFC7F2; Fri, 19 Jun 2015 13:01:24 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 72FF5C7EE for ; Fri, 19 Jun 2015 13:01:23 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP; 19 Jun 2015 04:01:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,643,1427785200"; d="scan'208";a="749570945" Received: from unknown (HELO stargo) ([10.217.248.233]) by orsmga002.jf.intel.com with SMTP; 19 Jun 2015 04:01:20 -0700 Received: by stargo (sSMTP sendmail emulation); Fri, 19 Jun 2015 12:59:59 +0200 From: Maciej Gajdzica To: dev@dpdk.org Date: Fri, 19 Jun 2015 12:28:44 +0200 Message-Id: <1434709724-4574-12-git-send-email-maciejx.t.gajdzica@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1434709724-4574-1-git-send-email-maciejx.t.gajdzica@intel.com> References: <1434709724-4574-1-git-send-email-maciejx.t.gajdzica@intel.com> Subject: [dpdk-dev] [PATCH v5 11/11] table: added stub table stats X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Added stub table statistics. Signed-off-by: Maciej Gajdzica --- 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 876b7e4..c1065ef 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, };