From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <stephen@networkplumber.org>
Received: from mail-pg0-f42.google.com (mail-pg0-f42.google.com [74.125.83.42])
 by dpdk.org (Postfix) with ESMTP id F25242BBD
 for <users@dpdk.org>; Thu,  8 Jun 2017 19:25:22 +0200 (CEST)
Received: by mail-pg0-f42.google.com with SMTP id v18so18134226pgb.1
 for <users@dpdk.org>; Thu, 08 Jun 2017 10:25:22 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=networkplumber-org.20150623.gappssmtp.com; s=20150623;
 h=date:from:to:cc:subject:message-id:in-reply-to:references
 :mime-version:content-transfer-encoding;
 bh=s+3IxXjK/PsJFxPm7c7OFaWYEamDljBag0exPS0Tb90=;
 b=AncS9Od/9PwWJz08AX9HYCgIX+lreLRpcZMtgjNSU6iOHy/GGshvi1q1B/neZGcFYO
 PxzU3mQITMCvfzKylTR70OLtu8InMgCJ5WMz/kXEYZDGTu5g/9CGXgXRn7Y65psmdPqw
 mlg/CCkD4m8LAvurN+QvT6YxasrpiXZA/LivXfhKfbkppu+cqy/cRAoDAIAd9yGvyVay
 XlzOKZjxxh8rNqDNCXR6YJRY2wpye+8XlrbdRdUQLwo+mepZrsdm/BWLKN+/2+8Bv0UI
 JqzRxJexSm/m1WW0wpOJfCEsUpYzLazI5IYiLJI5jYZId8N2iIJNB7yqR10QwwBPw0By
 U9VA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20161025;
 h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to
 :references:mime-version:content-transfer-encoding;
 bh=s+3IxXjK/PsJFxPm7c7OFaWYEamDljBag0exPS0Tb90=;
 b=UVoXeyObiOJdTcEvfmLIN9IaovvYCxySzTabMFbvz8l0CNw7Vc50cKgjNI4bOpe1xL
 l0jXjj8McPveaLZNfBchLAg+ebEgkFXuh4EYlxMkaEEXQyY+pi/ckTOBAjCuizbdFF2w
 vHsleVABDh6mFVGVTuFjrDmrzlSnTBZDEGwRqZ2LEKeTfPvkT+orTn5vJJi3UerCPKW6
 Htiu9hLEHUwBV80emKxmwWQNou3XsXkV0COsmbZ/NnHnP060AqBtiHrKvGbcRt1RGwGD
 AcB+33joIoKcmu0veltknFP7tIwqsIyzXwHKqnWW4uFA8aKoH8loPKbmscp2xVe7KQQW
 OmXA==
X-Gm-Message-State: AODbwcAoGsMUfl+iWVQIw20H7t4FRxHvEIeeRUFEEQwYuU/rqPrJIxKQ
 Li0u1K/OX2vVtXiQ
X-Received: by 10.84.209.199 with SMTP id y65mr35828584plh.205.1496942721937; 
 Thu, 08 Jun 2017 10:25:21 -0700 (PDT)
Received: from xeon-e3 (76-14-207-240.or.wavecable.com. [76.14.207.240])
 by smtp.gmail.com with ESMTPSA id n20sm11969115pfi.127.2017.06.08.10.25.21
 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256);
 Thu, 08 Jun 2017 10:25:21 -0700 (PDT)
Date: Thu, 8 Jun 2017 10:25:14 -0700
From: Stephen Hemminger <stephen@networkplumber.org>
To: Vijay <vjmohanc@gmail.com>
Cc: users@dpdk.org
Message-ID: <20170608102514.2e5a1097@xeon-e3>
In-Reply-To: <CAJY-tEENyuLf16YZOVJBc6HDmocX8j6NX9GQkS9uCQbF0NJPag@mail.gmail.com>
References: <CAJY-tEENyuLf16YZOVJBc6HDmocX8j6NX9GQkS9uCQbF0NJPag@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Subject: Re: [dpdk-users] Packet spacing in DPDK
X-BeenThere: users@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK usage discussions <users.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/users>,
 <mailto:users-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/users/>
List-Post: <mailto:users@dpdk.org>
List-Help: <mailto:users-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/users>,
 <mailto:users-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Thu, 08 Jun 2017 17:25:23 -0000

On Thu, 8 Jun 2017 09:50:05 -0700
Vijay <vjmohanc@gmail.com> wrote:

> Hi,
> 
> I am new to this mailing list and new to DPDK. I would like to know about
> packet spacing when a burst of packets are being transmitted. For example:
> there is a timer running and at expiry of the timer there could multiple
> frames that need to transmitted. So, will these frames be spaced by dpdk
> before transmission ? Is it internally handled by dpdk ? Is there any doc
> that talks about this ?
> 
> I am not sure if this question has already been asked. If yes, please point
> me to the appropriate thread which talks about this.
> 
> Thanks,
> Vijay

The packets in DPDK are not paced. The hardware sends them as fast as possible.