From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f177.google.com (mail-wi0-f177.google.com [209.85.212.177]) by dpdk.org (Postfix) with ESMTP id 08F79234 for ; Fri, 30 Jan 2015 17:43:46 +0100 (CET) Received: by mail-wi0-f177.google.com with SMTP id r20so3786527wiv.4 for ; Fri, 30 Jan 2015 08:43:45 -0800 (PST) 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=76NgbCqs7YOSMUkcC9BS/VZUUg7sYwpWUI1RWgnsT68=; b=ItH19YHpwO8jxLuc7cuUfmxtOLIBGFG7CuS7GWq3EOOuK5KvGkvolJH5Q3umxV5A8s FVdgOZi80iUdMt5ZTrQ+lNMuFsPP9+zWzYWWSuKt25zX0KoCPx0YvQfWvNMPnSiXIfde 0suBs7rmH743o2pqHdvfE8ps5grBb6uOd6GxeLyNV6XbXyLSEeGn6grw7oKgfUTJCdBb wCBn3CQZuZrah/3wvao0vohdhZwKbdJUEi0Vl81DY1QN2PazkDFWWApDI0CZvAjp62HJ TzkSMFwk0Wi9wdOH/wzEyZujJzVCjcBoSKJu90fZSzzeJHoMwBatmwz4ruzhIPxn8Qcq wAOg== X-Gm-Message-State: ALoCoQmqVoerJRh3KQEYIKHVXMuhAFsq7hvSljDNBK8OTq9qY2WZqDdynO1SljQA7n6jcxpQRXOp X-Received: by 10.180.90.235 with SMTP id bz11mr6648466wib.5.1422636225826; Fri, 30 Jan 2015 08:43:45 -0800 (PST) Received: from xps13.localnet (136-92-190-109.dsl.ovh.fr. [109.190.92.136]) by mx.google.com with ESMTPSA id ez1sm15642974wjd.31.2015.01.30.08.43.44 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 30 Jan 2015 08:43:45 -0800 (PST) From: Thomas Monjalon To: Bhavesh Davda Date: Fri, 30 Jan 2015 17:43:18 +0100 Message-ID: <3621315.EODueA6DKm@xps13> Organization: 6WIND User-Agent: KMail/4.14.4 (Linux/3.18.4-1-ARCH; KDE/4.14.4; x86_64; ; ) In-Reply-To: <72e5096b3711419f93a9161a20c9fa11@EX13-MBX-025.vmware.com> References: <1416335575-30717-1-git-send-email-bhavesh@vmware.com> <25405198.KkrSSHtStQ@xps13> <72e5096b3711419f93a9161a20c9fa11@EX13-MBX-025.vmware.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH] examples: new txburst application 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: Fri, 30 Jan 2015 16:43:46 -0000 2015-01-30 16:29, Bhavesh Davda: > Hi Thomas, > > > Hi Bhavesh, > > > > 2014-11-18 10:32, Bhavesh Davda: > > > Test application to transmit 32-packet bursts of 220-byte UDP packets > > every > > > 50 us, approximating 240,000 pps. We found it useful for testing > > hypervisor > > > performance for a transmit-heavy but bursty workload in a VM with > > DPDK. > > > > > > Signed-off-by: Bhavesh Davda > > > > There was no review of your patch. > > Maybe you should explain why you think it should be integrated as an > > example. > > What is new compared to other examples? > > [Bhavesh Davda] Thanks for catching that. I was wondering why nobody responded. > > I leave it up to you and the wider DPDK community to decide if this example > is useful. It was useful to us (VMware) and a couple of partner companies in > reproducing a packet drop on transmit issue at a telco/NFV operator lab more > easily than setting up the DPDK-based VNF from the vendor along with a > hardware load generator to generate the application-specific packet load. It > was much easier to just run this example application in a VM to reproduce > the packet drop issue. > > What is different? I didn't find any other simple apps that only mimic Tx > bursty behavior similar to this application. Maybe I missed some example > application that has such a capability. Did you know pktgen-dpdk? http://dpdk.org/browse/apps/pktgen-dpdk/tree/README.md Do you think it could replace your application? -- Thomas