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From: Scott Talbert <swt-HdGmbYkwPlSsTnJN9+BGXg@public.gmane.org>
To: jinho hwang <hwang.jinho-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: dev <dev-VfR2kkLFssw@public.gmane.org>
Subject: Re: 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-HdGmbYkwPlSsTnJN9+BGXg@public.gmane.org>

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

  parent reply	other threads:[~2013-07-29 17:02 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-26 19:39 NIC Stops Transmitting Scott Talbert
     [not found] ` <alpine.LRH.2.03.1307261538440.21740-HdGmbYkwPlSsTnJN9+BGXg@public.gmane.org>
2013-07-26 19:53   ` Stephen Hemminger
     [not found]     ` <20130726125322.0ecbca48-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
2013-07-26 20:04       ` Scott Talbert
     [not found]         ` <alpine.LRH.2.03.1307261601190.21740-HdGmbYkwPlSsTnJN9+BGXg@public.gmane.org>
2013-07-26 22:31           ` jinho hwang
     [not found]             ` <CAPQGAnHkqCHQ9g7OQXF5+w-nho78HdtgCh8YtXumnCz-jzNANg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-26 23:26               ` Scott Talbert
     [not found]                 ` <alpine.LRH.2.03.1307261924200.3700-HdGmbYkwPlSsTnJN9+BGXg@public.gmane.org>
2013-07-29 17:02                   ` Scott Talbert [this message]
     [not found]                     ` <alpine.LRH.2.03.1307291301430.23215-HdGmbYkwPlSsTnJN9+BGXg@public.gmane.org>
2013-07-31  2:43                       ` miss include file in DPDK 1.3.1r2 Jia.Sui(贾睢)
     [not found]                         ` <581E2E1085FAEF45B48CF8A139824CF804E64C5644-vBGlDtGOlKBBva6MZ6yAsJWt57iikwTfrKKpfKFFTNI@public.gmane.org>
2013-07-31  9:18                           ` [PATCH] mem: fix include in rte_malloc Thomas Monjalon
     [not found]                             ` <1375262325-5348-1-git-send-email-thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2013-07-31 11:36                               ` didier.pallard
     [not found]                                 ` <51F8F6D2.8000609-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2013-07-31 11:48                                   ` Thomas Monjalon

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