From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 90CF337A6 for ; Mon, 13 Jun 2016 17:52:40 +0200 (CEST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP; 13 Jun 2016 08:52:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,466,1459839600"; d="scan'208";a="986500433" Received: from rhorton-mobl.ger.corp.intel.com (HELO VM.ir.intel.com) ([163.33.230.109]) by fmsmga001.fm.intel.com with ESMTP; 13 Jun 2016 08:52:08 -0700 From: Remy Horton To: dev@dpdk.org, Helin Zhang , Thomas Monjalon Date: Mon, 13 Jun 2016 16:51:58 +0100 Message-Id: <1465833121-26953-6-git-send-email-remy.horton@intel.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1465833121-26953-1-git-send-email-remy.horton@intel.com> References: <1465833121-26953-1-git-send-email-remy.horton@intel.com> Subject: [dpdk-dev] [PATCH v4 5/8] drivers/net/i40e: change xstats to use integer ids 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: , X-List-Received-Date: Mon, 13 Jun 2016 15:52:41 -0000 The current extended ethernet statistics fetching involve doing several string operations, which causes performance issues if there are lots of statistics and/or network interfaces. This patch changes the i40e driver to use the new API that seperates name string and value queries. Signed-off-by: Remy Horton --- drivers/net/i40e/i40e_ethdev.c | 82 ++++++++++++++++++++++++++++++++------- drivers/net/i40e/i40e_ethdev_vf.c | 26 +++++++++++-- 2 files changed, 91 insertions(+), 17 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 24777d5..d712bbe 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -306,6 +306,9 @@ static void i40e_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats); static int i40e_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstats *xstats, unsigned n); +static int i40e_dev_xstats_get_names(struct rte_eth_dev *dev, + struct rte_eth_xstat_name *xstats_names, + unsigned limit); static void i40e_dev_stats_reset(struct rte_eth_dev *dev); static int i40e_dev_queue_stats_mapping_set(struct rte_eth_dev *dev, uint16_t queue_id, @@ -467,6 +470,7 @@ static const struct eth_dev_ops i40e_eth_dev_ops = { .link_update = i40e_dev_link_update, .stats_get = i40e_dev_stats_get, .xstats_get = i40e_dev_xstats_get, + .xstats_get_names = i40e_dev_xstats_get_names, .stats_reset = i40e_dev_stats_reset, .xstats_reset = i40e_dev_stats_reset, .queue_stats_mapping_set = i40e_dev_queue_stats_mapping_set, @@ -2205,6 +2209,60 @@ i40e_xstats_calc_num(void) (I40E_NB_TXQ_PRIO_XSTATS * 8); } +static int i40e_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev, + struct rte_eth_xstat_name *xstats_names, + __rte_unused unsigned limit) +{ + unsigned count = 0; + unsigned i, prio; + + if (xstats_names == NULL) + return i40e_xstats_calc_num(); + + /* Note: limit checked in rte_eth_xstats_names() */ + + /* Get stats from i40e_eth_stats struct */ + for (i = 0; i < I40E_NB_ETH_XSTATS; i++) { + snprintf(xstats_names[count].name, + sizeof(xstats_names[count].name), + "%s", rte_i40e_stats_strings[i].name); + xstats_names[count].id = count; + count++; + } + + /* Get individiual stats from i40e_hw_port struct */ + for (i = 0; i < I40E_NB_HW_PORT_XSTATS; i++) { + snprintf(xstats_names[count].name, + sizeof(xstats_names[count].name), + "%s", rte_i40e_hw_port_strings[i].name); + xstats_names[count].id = count; + count++; + } + + for (i = 0; i < I40E_NB_RXQ_PRIO_XSTATS; i++) { + for (prio = 0; prio < 8; prio++) { + snprintf(xstats_names[count].name, + sizeof(xstats_names[count].name), + "rx_priority%u_%s", prio, + rte_i40e_rxq_prio_strings[i].name); + xstats_names[count].id = count; + count++; + } + } + + for (i = 0; i < I40E_NB_TXQ_PRIO_XSTATS; i++) { + for (prio = 0; prio < 8; prio++) { + snprintf(xstats_names[count].name, + sizeof(xstats_names[count].name), + "tx_priority%u_%s", prio, + rte_i40e_txq_prio_strings[i].name); + xstats_names[count].id = count; + count++; + } + } + return count; +} + static int i40e_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstats *xstats, unsigned n) @@ -2227,8 +2285,8 @@ i40e_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstats *xstats, /* Get stats from i40e_eth_stats struct */ for (i = 0; i < I40E_NB_ETH_XSTATS; i++) { - snprintf(xstats[count].name, sizeof(xstats[count].name), - "%s", rte_i40e_stats_strings[i].name); + xstats[count].name[0] = '\0'; + xstats[count].id = count; xstats[count].value = *(uint64_t *)(((char *)&hw_stats->eth) + rte_i40e_stats_strings[i].offset); count++; @@ -2236,19 +2294,17 @@ i40e_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstats *xstats, /* Get individiual stats from i40e_hw_port struct */ for (i = 0; i < I40E_NB_HW_PORT_XSTATS; i++) { - snprintf(xstats[count].name, sizeof(xstats[count].name), - "%s", rte_i40e_hw_port_strings[i].name); + xstats[count].name[0] = '\0'; + xstats[count].id = count; xstats[count].value = *(uint64_t *)(((char *)hw_stats) + - rte_i40e_hw_port_strings[i].offset); + rte_i40e_hw_port_strings[i].offset); count++; } for (i = 0; i < I40E_NB_RXQ_PRIO_XSTATS; i++) { for (prio = 0; prio < 8; prio++) { - snprintf(xstats[count].name, - sizeof(xstats[count].name), - "rx_priority%u_%s", prio, - rte_i40e_rxq_prio_strings[i].name); + xstats[count].name[0] = '\0'; + xstats[count].id = count; xstats[count].value = *(uint64_t *)(((char *)hw_stats) + rte_i40e_rxq_prio_strings[i].offset + @@ -2259,10 +2315,8 @@ i40e_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstats *xstats, for (i = 0; i < I40E_NB_TXQ_PRIO_XSTATS; i++) { for (prio = 0; prio < 8; prio++) { - snprintf(xstats[count].name, - sizeof(xstats[count].name), - "tx_priority%u_%s", prio, - rte_i40e_txq_prio_strings[i].name); + xstats[count].name[0] = '\0'; + xstats[count].id = count; xstats[count].value = *(uint64_t *)(((char *)hw_stats) + rte_i40e_txq_prio_strings[i].offset + diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 90682ac..4c5e45e 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -112,6 +112,9 @@ static void i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats); static int i40evf_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstats *xstats, unsigned n); +static int i40evf_dev_xstats_get_names(struct rte_eth_dev *dev, + struct rte_eth_xstat_name *xstats_names, + unsigned limit); static void i40evf_dev_xstats_reset(struct rte_eth_dev *dev); static int i40evf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on); @@ -196,6 +199,7 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = { .link_update = i40evf_dev_link_update, .stats_get = i40evf_dev_stats_get, .xstats_get = i40evf_dev_xstats_get, + .xstats_get_names = i40evf_dev_xstats_get_names, .xstats_reset = i40evf_dev_xstats_reset, .dev_close = i40evf_dev_close, .dev_infos_get = i40evf_dev_info_get, @@ -984,6 +988,22 @@ i40evf_dev_xstats_reset(struct rte_eth_dev *dev) vf->vsi.eth_stats_offset = vf->vsi.eth_stats; } +static int i40evf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev, + struct rte_eth_xstat_name *xstats_names, + __rte_unused unsigned limit) +{ + unsigned i; + + if (xstats_names != NULL) + for (i = 0; i < I40EVF_NB_XSTATS; i++) { + snprintf(xstats_names[i].name, + sizeof(xstats_names[i].name), + "%s", rte_i40evf_stats_strings[i].name); + xstats_names[i].id = i; + } + return I40EVF_NB_XSTATS; +} + static int i40evf_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstats *xstats, unsigned n) { @@ -1003,8 +1023,8 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev, /* loop over xstats array and values from pstats */ for (i = 0; i < I40EVF_NB_XSTATS; i++) { - snprintf(xstats[i].name, sizeof(xstats[i].name), - "%s", rte_i40evf_stats_strings[i].name); + xstats[i].name[0] = '\0'; + xstats[i].id = i; xstats[i].value = *(uint64_t *)(((char *)pstats) + rte_i40evf_stats_strings[i].offset); } -- 2.5.5