From patchwork Sun Feb 3 19:42:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Meunier X-Patchwork-Id: 50122 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 7CC4D1B142; Sun, 3 Feb 2019 20:42:35 +0100 (CET) Received: from EUR02-VE1-obe.outbound.protection.outlook.com (mail-eopbgr20125.outbound.protection.outlook.com [40.107.2.125]) by dpdk.org (Postfix) with ESMTP id D8AD15911; Sun, 3 Feb 2019 20:42:33 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nokia.onmicrosoft.com; s=selector1-nokia-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=3mXshkMeAHNzrOrplbFfOh7HHIzqo/fqeW9yzBjvPo4=; b=OGISiK4vtlvlF2Mk70YpCQx7jjOhxsXVut7f0NxOef1x/x8Jakjnr6uO0/4subkfmgnJZcckdp/O0g387DAqgavUdqPOLGI+yEKw1R463C2G1Uanq7ze2fcWg5skMGOlBpKK4uy/SkKNzvQkqN3LhzmOdizv6zMGzUkkR/aQWIE= Received: from VI1PR07CA0203.eurprd07.prod.outlook.com (2603:10a6:802:3f::27) by DB6PR0701MB2837.eurprd07.prod.outlook.com (2603:10a6:4:71::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1601.8; 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Ip=[131.228.2.241]; Helo=[fihe3nok0735.emea.nsn-net.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0701MB2837 Subject: [dpdk-dev] [PATCH v2] test/pmd_perf: fix the way to drain the port 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" If the port has received less than ``pkt_per_port`` packets (for example, the port has missed some packets), the test is in an infinite loop. Instead of expecting a number of packet to receive, let the port to be drained by itself. If no more packets are received, the test can continue. Fixes: 002ade70e933 ("app/test: measure cycles per packet in Rx/Tx") Cc: stable@dpdk.org Signed-off-by: Julien Meunier --- v2: * rename commit title * fix nb_free display --- test/test/test_pmd_perf.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/test/test/test_pmd_perf.c b/test/test/test_pmd_perf.c index f5095c8..c7e2df3 100644 --- a/test/test/test_pmd_perf.c +++ b/test/test/test_pmd_perf.c @@ -493,16 +493,16 @@ main_loop(__rte_unused void *args) for (i = 0; i < conf->nb_ports; i++) { portid = conf->portlist[i]; - int nb_free = pkt_per_port; + int nb_free = 0; do { /* dry out */ nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst, MAX_PKT_BURST); nb_tx = 0; while (nb_tx < nb_rx) rte_pktmbuf_free(pkts_burst[nb_tx++]); - nb_free -= nb_rx; - } while (nb_free != 0); - printf("free %d mbuf left in port %u\n", pkt_per_port, portid); + nb_free += nb_rx; + } while (nb_rx != 0); + printf("free %d mbuf left in port %u\n", nb_free, portid); } if (count == 0)