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 9B86DA0521; Tue, 3 Nov 2020 13:23:28 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C64F6C9E2; Tue, 3 Nov 2020 13:22:28 +0100 (CET) Received: from wout1-smtp.messagingengine.com (wout1-smtp.messagingengine.com [64.147.123.24]) by dpdk.org (Postfix) with ESMTP id 64A22C9D3 for ; Tue, 3 Nov 2020 13:22:26 +0100 (CET) Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailout.west.internal (Postfix) with ESMTP id 1619AC26; Tue, 3 Nov 2020 07:22:24 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Tue, 03 Nov 2020 07:22:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=dzrga604Capbk MVFKYtM1ntfRljEjDFKVYkOCck5Kog=; b=KxUs3aV49uXKgy7DUBF4I6fvJk/Uc HxUov464L9ftedhZQP5bojDlqYWJZcv7RKHPC3cNpLzTWLHL1lp6/N5Uc6t9dkLc WbVBs0uZfghgM4bipCzaZNYzXur2ZCBLGMahjTDn6xmRbqeKyOLYPdqVkxQEJnLW B5oy/ZQ/mZkvfsuUDJYfTtOMOv1NGGE/yTfppdCIVsHsiV2SF7H23TpO5yiFDsiQ dkpqoUSNqL0M5Gzu+naI1pQVaHZPyqg0wdmBoN3T1qTRQRQ8tdVYP7gmtmRN18KE eY0uJuWa+k5gmAcj107KzTg8bCwF7ulp3MIMkXu03rWYqdrbZRpeRYgEQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=dzrga604CapbkMVFKYtM1ntfRljEjDFKVYkOCck5Kog=; b=bI90NPGU vRJoICGTxaUgYsxCgzQJg9sW4OrZU/oOAhenhKp4yUstOM2gRQzklgwqBcYnA1cj bY9Dv+UjzOQHyVsc5i0PjrtdADnV5MrnBy0svtmC4GalzfDQj9b5mUgF+leopHZg MsZn6ekfmUpqrcD7AueWIWN65r0rLBcHTveLmUkhOO+RfnoDSFrzrJtnO5lOqMeR hgASB6AzGwbyLLDioGo+GMn261OlLS2/nhaoMTj+TKTK3kAtOZeL2i6C+DDzDqFe g6NAsgqfagcqUgbd/koiKsiBAeTKw12lySjLpI5Az+B615m/TaiWpRUAK6OnyWfP u+Th6NCeQhGtUw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedruddtfedgfeelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpefvhhhomhgr shcuofhonhhjrghlohhnuceothhhohhmrghssehmohhnjhgrlhhonhdrnhgvtheqnecugg ftrfgrthhtvghrnhepvdehgfeivdejgedtveehfefhteelfefgieevgfffveefjeegtdfg uedthedtgeevnecukfhppeejjedrudefgedrvddtfedrudekgeenucevlhhushhtvghruf hiiigvpedvnecurfgrrhgrmhepmhgrihhlfhhrohhmpehthhhomhgrshesmhhonhhjrghl ohhnrdhnvght X-ME-Proxy: Received: from xps.monjalon.net (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 8FC153064674; Tue, 3 Nov 2020 07:22:22 -0500 (EST) From: Thomas Monjalon To: dev@dpdk.org Cc: ferruh.yigit@intel.com, david.marchand@redhat.com, bruce.richardson@intel.com, olivier.matz@6wind.com, andrew.rybchenko@oktetlabs.ru, jerinj@marvell.com, viacheslavo@nvidia.com, Reshma Pattan Date: Tue, 3 Nov 2020 13:21:52 +0100 Message-Id: <20201103122205.183472-4-thomas@monjalon.net> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201103122205.183472-1-thomas@monjalon.net> References: <20201029092751.3837177-1-thomas@monjalon.net> <20201103122205.183472-1-thomas@monjalon.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v4 03/16] latency: switch Rx timestamp to dynamic mbuf field 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" The mbuf timestamp is moved to a dynamic field in order to allow removal of the deprecated static field. The related mbuf flag is also replaced with the dynamic one. Signed-off-by: Thomas Monjalon Acked-by: David Marchand --- lib/librte_latencystats/rte_latencystats.c | 30 ++++++++++++++++++---- 1 file changed, 25 insertions(+), 5 deletions(-) diff --git a/lib/librte_latencystats/rte_latencystats.c b/lib/librte_latencystats/rte_latencystats.c index ba2fff3bcb..ab8db7a139 100644 --- a/lib/librte_latencystats/rte_latencystats.c +++ b/lib/librte_latencystats/rte_latencystats.c @@ -9,6 +9,7 @@ #include #include +#include #include #include #include @@ -31,6 +32,16 @@ latencystat_cycles_per_ns(void) /* Macros for printing using RTE_LOG */ #define RTE_LOGTYPE_LATENCY_STATS RTE_LOGTYPE_USER1 +static uint64_t timestamp_dynflag; +static int timestamp_dynfield_offset = -1; + +static inline rte_mbuf_timestamp_t * +timestamp_dynfield(struct rte_mbuf *mbuf) +{ + return RTE_MBUF_DYNFIELD(mbuf, + timestamp_dynfield_offset, rte_mbuf_timestamp_t *); +} + static const char *MZ_RTE_LATENCY_STATS = "rte_latencystats"; static int latency_stats_index; static uint64_t samp_intvl; @@ -128,10 +139,10 @@ add_time_stamps(uint16_t pid __rte_unused, diff_tsc = now - prev_tsc; timer_tsc += diff_tsc; - if ((pkts[i]->ol_flags & PKT_RX_TIMESTAMP) == 0 + if ((pkts[i]->ol_flags & timestamp_dynflag) == 0 && (timer_tsc >= samp_intvl)) { - pkts[i]->timestamp = now; - pkts[i]->ol_flags |= PKT_RX_TIMESTAMP; + *timestamp_dynfield(pkts[i]) = now; + pkts[i]->ol_flags |= timestamp_dynflag; timer_tsc = 0; } prev_tsc = now; @@ -161,8 +172,8 @@ calc_latency(uint16_t pid __rte_unused, now = rte_rdtsc(); for (i = 0; i < nb_pkts; i++) { - if (pkts[i]->ol_flags & PKT_RX_TIMESTAMP) - latency[cnt++] = now - pkts[i]->timestamp; + if (pkts[i]->ol_flags & timestamp_dynflag) + latency[cnt++] = now - *timestamp_dynfield(pkts[i]); } rte_spinlock_lock(&glob_stats->lock); @@ -241,6 +252,15 @@ rte_latencystats_init(uint64_t app_samp_intvl, return -1; } + /* Register mbuf field and flag for Rx timestamp */ + ret = rte_mbuf_dyn_rx_timestamp_register(×tamp_dynfield_offset, + ×tamp_dynflag); + if (ret != 0) { + RTE_LOG(ERR, LATENCY_STATS, + "Cannot register mbuf field/flag for timestamp\n"); + return -rte_errno; + } + /** Register Rx/Tx callbacks */ RTE_ETH_FOREACH_DEV(pid) { struct rte_eth_dev_info dev_info; -- 2.28.0