From: Eric Dumazet <eric.dumazet@gmail.com>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: netdev@vger.kernel.org
Subject: Re: UDP regression with packets rates < 10k per sec
Date: Wed, 09 Sep 2009 19:08:10 +0200 [thread overview]
Message-ID: <4AA7E0FA.5070005@gmail.com> (raw)
In-Reply-To: <alpine.DEB.1.10.0909091234360.15538@V090114053VZO-1>
Christoph Lameter a écrit :
> On Wed, 9 Sep 2009, Eric Dumazet wrote:
>
>> Christoph Lameter a ?crit :
>>> On Wed, 9 Sep 2009, Eric Dumazet wrote:
>>>
>>>> In order to reproduce this here, could you tell me if you use
>>>>
>>>> Producer linux-2.6.22 -> Receiver 2.6.22
>>>> Producer linux-2.6.31 -> Receiver 2.6.31
>>> I use the above setup.
>> Then frames are sent on wire but not received
>>
>> (they are received via mc loop, internal stack magic)
>
> We are talking about two machines running 2.6.22 or 2.6.31. There is no
> magic mc loop between the two machines. -L was not used.
>
I have no idea how you run the test then, and how are computed time deltas.
Are you clocks synchronized to less than one us ? How is it done ?
next prev parent reply other threads:[~2009-09-09 17:08 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-08 22:38 UDP regression with packets rates < 10k per sec Christoph Lameter
2009-09-08 22:52 ` Eric Dumazet
2009-09-09 14:01 ` Christoph Lameter
2009-09-09 15:09 ` Eric Dumazet
2009-09-09 16:47 ` Christoph Lameter
2009-09-09 17:06 ` Eric Dumazet
2009-09-09 17:55 ` Christoph Lameter
2009-09-10 20:37 ` Eric Dumazet
2009-09-10 21:36 ` Christoph Lameter
2009-09-10 21:37 ` Eric Dumazet
2009-09-10 21:42 ` Christoph Lameter
2009-09-14 21:10 ` Christoph Lameter
2009-09-15 5:29 ` Eric Dumazet
2009-09-15 14:07 ` Christoph Lameter
2009-09-15 17:26 ` Eric Dumazet
2009-09-15 20:25 ` Christoph Lameter
2009-09-15 19:02 ` Eric Dumazet
2009-09-25 14:19 ` Eric Dumazet
2009-09-26 16:13 ` Christoph Lameter
2009-09-10 21:39 ` Christoph Lameter
2009-09-09 17:08 ` Eric Dumazet [this message]
2009-09-09 17:26 ` Christoph Lameter
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