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From: Scott Talbert <swt@techie.net>
To: jinho hwang <hwang.jinho@gmail.com>
Cc: dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] NIC Stops Transmitting
Date: Mon, 29 Jul 2013 13:02:14 -0400 (EDT)	[thread overview]
Message-ID: <alpine.LRH.2.03.1307291301430.23215@techie.net> (raw)
In-Reply-To: <alpine.LRH.2.03.1307261924200.3700@techie.net>

On Fri, 26 Jul 2013, Scott Talbert wrote:

>> I am wondering whether you use multiple cores accessing the same
>> receive queue. I had this problem before, but after I make the same
>> number of receiving queues as the number of receiving cores, the
>> problem disappeared. I did not dig more since I did not care how many
>> receive queues I have did not matter.
>
> Thanks.  I have only one queue (should I be using more?) but as far as I 
> know, I'm only using one core to transmit as well.

All,

It turns out that the problem appears to have been caused by me using a 
signal handler to control my data rates.  After switching to use RTE 
timers instead, I am able to transmit close to 10 Gb/sec reliably.

Thanks,
Scott

  reply	other threads:[~2013-07-29 17:01 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-26 19:39 Scott Talbert
2013-07-26 19:53 ` Stephen Hemminger
2013-07-26 20:04   ` Scott Talbert
2013-07-26 22:31     ` jinho hwang
2013-07-26 23:26       ` Scott Talbert
2013-07-29 17:02         ` Scott Talbert [this message]
2013-07-31  2:43           ` [dpdk-dev] miss include file in DPDK 1.3.1r2 Jia.Sui
2013-07-31  9:18             ` [dpdk-dev] [PATCH] mem: fix include in rte_malloc Thomas Monjalon
2013-07-31 11:36               ` didier.pallard
2013-07-31 11:48                 ` Thomas Monjalon

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