From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f181.google.com (mail-wi0-f181.google.com [209.85.212.181]) by dpdk.org (Postfix) with ESMTP id F2347C34A for ; Tue, 16 Jun 2015 22:53:46 +0200 (CEST) Received: by wiga1 with SMTP id a1so120022405wig.0 for ; Tue, 16 Jun 2015 13:53:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:organization :user-agent:in-reply-to:references:mime-version :content-transfer-encoding:content-type; bh=4+dYUlAy8K4VhRkW69zqlZMlIjkee0cnUvNy3ntQj/U=; b=ZwP2FaIs7IJmL3atUU8wgwVIhKZ4HdTsYOtE+2HtpTKZ9TExckrLuIDc0QhNImKobt OqtmihEwhwYQg7L3MQWegB+Xiu+TN8a2TQN76gERxRhLmLkx3SrVJdD9sJ/G6X5V8xWb 7DuOWo89gXsXU4419uaBAEvz0IMCIv2Xe/EEtZhOHDBRbpVyx0n1EVeCQi66J0xooVJS WfR6qqfgpuYhCowUHrT0x4k+CVwbM4oeVzSj3kQGHHW24bLHt02JOb6VjM88Geb5tyPm yxHMdOkG+y7kQCK0p2HyPVdN5mXqB1p+eHKoi9M8oRAbngsffOMOPWFL9cvCjBQqjgME YLcw== X-Gm-Message-State: ALoCoQlUWeZE4I/ThO4Fy89vefF6jYpVZM9Q3WEjI2XDglXSNNC3WILC6y/meG3haJ+jpnN73kVU X-Received: by 10.180.103.227 with SMTP id fz3mr10667073wib.45.1434488026889; Tue, 16 Jun 2015 13:53:46 -0700 (PDT) Received: from xps13.localnet (136-92-190-109.dsl.ovh.fr. [109.190.92.136]) by mx.google.com with ESMTPSA id o6sm22563740wiz.24.2015.06.16.13.53.45 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Jun 2015 13:53:45 -0700 (PDT) From: Thomas Monjalon To: Anjali Kulkarni Date: Tue, 16 Jun 2015 22:52:46 +0200 Message-ID: <15776821.ucWqCiW9hh@xps13> Organization: 6WIND User-Agent: KMail/4.14.8 (Linux/4.0.4-2-ARCH; KDE/4.14.8; x86_64; ; ) In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Cc: dev@dpdk.org Subject: Re: [dpdk-dev] Debugging SR-IOV related packet flow problem with DPDK 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: Tue, 16 Jun 2015 20:53:47 -0000 Hi, That's third email in 8 hours for this question. Do you plan to send an email every 4 hours? It's really hard to help you without knowing which application you run? in which VM? which VLAN configuration? etc 2015-06-16 20:22, Anjali Kulkarni: > Hi, > > Can someone please help with this? How can packet flow be traced on DPDK? > Where are all the logs stored if we do enable the _DEBUG configs in > config/ directory? stdout or somewhere else if you configured logs in your app. > Anjali [...] > I am observing that the SR-IOV enabled NIC does not increment any VF packet > counters despite incoming packet flow. I have enabled some debug logs like > CONFIG_RTE_LIBRTE_IXGBE_DEBUG_RX in config file. > Can someone point me to where these logs are being printed so I can try to > figure out where packets are being dropped? Or how can I debug DPDK packet > flow related issues (are there any stats I can look at)? Statistics can be requested through a dedicated ethdev API.