From patchwork Tue Jan 17 23:24:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Remy Horton X-Patchwork-Id: 19653 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 DC8AED586; Wed, 18 Jan 2017 00:24:56 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 9A4EB3238 for ; Wed, 18 Jan 2017 00:24:43 +0100 (CET) Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga105.fm.intel.com with ESMTP; 17 Jan 2017 15:24:42 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,246,1477983600"; d="scan'208";a="49848018" Received: from rhorton-mobl.ger.corp.intel.com (HELO VM.ger.corp.intel.com) ([10.252.25.111]) by orsmga004.jf.intel.com with ESMTP; 17 Jan 2017 15:24:41 -0800 From: Remy Horton To: dev@dpdk.org Cc: Harry van Haaren , Thomas Monjalon , Reshma Pattan Date: Tue, 17 Jan 2017 23:24:32 +0000 Message-Id: <1484695474-1155-6-git-send-email-remy.horton@intel.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1484695474-1155-1-git-send-email-remy.horton@intel.com> References: <1484695474-1155-1-git-send-email-remy.horton@intel.com> Subject: [dpdk-dev] [PATCH v8 5/7] mbuf: add a timestamp to the mbuf for latencystats 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" From: Harry van Haaren This commit adds a uint64_t to the mbuf struct, allowing collection of latency and jitter statistics by measuring packet I/O timestamps. This change is required by the latencystats library. Signed-off-by: Reshma Pattan Signed-off-by: Harry van Haaren --- lib/librte_mbuf/rte_mbuf.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index bfce9f4..c35ba0a 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -512,6 +512,9 @@ struct rte_mbuf { /** Timesync flags for use with IEEE1588. */ uint16_t timesync; + + /** Timestamp for measuring latency. */ + uint64_t timestamp; } __rte_cache_aligned; /**