From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4D8B9A04E0; Thu, 28 Nov 2019 16:03:27 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 28B1A2B88; Thu, 28 Nov 2019 16:03:26 +0100 (CET) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id 1A9F428EE for ; Thu, 28 Nov 2019 16:03:23 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Nov 2019 07:03:23 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,253,1571727600"; d="scan'208";a="410711277" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.96]) ([10.237.221.96]) by fmsmga006.fm.intel.com with ESMTP; 28 Nov 2019 07:03:22 -0800 To: Vadim Podovinnikov , linville@tuxdriver.com Cc: dev@dpdk.org References: <611891d9-332b-4121-1007-496d074b629c@intel.com> <20191126154744.25342-1-podovinnikov@protei.ru> From: Ferruh Yigit Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH v3] add drop statistic for af_packet X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 11/26/2019 3:47 PM, Vadim Podovinnikov wrote: > From: Vadim > > add drop statistic for af_packet > > Signed-off-by: Vadim Podovinnikov > --- > drivers/net/af_packet/rte_eth_af_packet.c | 11 ++++++++++- > 1 file changed, 10 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/af_packet/rte_eth_af_packet.c b/drivers/net/af_packet/rte_eth_af_packet.c > index f5806bf42..eee0fbce2 100644 > --- a/drivers/net/af_packet/rte_eth_af_packet.c > +++ b/drivers/net/af_packet/rte_eth_af_packet.c > @@ -327,8 +327,10 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats) > { > unsigned i, imax; > unsigned long rx_total = 0, tx_total = 0, tx_err_total = 0; > - unsigned long rx_bytes_total = 0, tx_bytes_total = 0; > + unsigned long rx_bytes_total = 0, tx_bytes_total = 0, rx_drop = 0; > const struct pmd_internals *internal = dev->data->dev_private; > + socklen_t sock_len = sizeof(struct tpacket_stats); > + struct tpacket_stats st; > > imax = (internal->nb_queues < RTE_ETHDEV_QUEUE_STAT_CNTRS ? > internal->nb_queues : RTE_ETHDEV_QUEUE_STAT_CNTRS); > @@ -337,6 +339,12 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats) > igb_stats->q_ibytes[i] = internal->rx_queue[i].rx_bytes; > rx_total += igb_stats->q_ipackets[i]; > rx_bytes_total += igb_stats->q_ibytes[i]; > + > + memset(&st, 0, sock_len); > + int rc = getsockopt(internal->rx_queue[i].sockfd, SOL_PACKET, > + PACKET_STATISTICS, &st, &sock_len); > + if (rc == 0) > + rx_drop += st.tp_drops; stats values should be preserved until it is reset, in this implementation 'imissed' values are values between two stats calls (since PACKET_STATISTICS resets the stats after retrieved). Can you add a field to "struct pkt_rx_queue" to save the dropped packet values and send the accumulated values in each call? Also need to add resetting this value in 'eth_stats_reset()' > } > > imax = (internal->nb_queues < RTE_ETHDEV_QUEUE_STAT_CNTRS ? > @@ -349,6 +357,7 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats) > tx_bytes_total += igb_stats->q_obytes[i]; > } > > + igb_stats->imissed = rx_drop; > igb_stats->ipackets = rx_total; > igb_stats->ibytes = rx_bytes_total; > igb_stats->opackets = tx_total; >