All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jeremy Fitzhardinge <jeremy@goop.org>
To: yingbin wang <yingbin.wangyb@gmail.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: Re: network performance drop heavily in xen 4.0 release
Date: Mon, 26 Apr 2010 13:23:37 -0700	[thread overview]
Message-ID: <4BD5F649.2020601@goop.org> (raw)
In-Reply-To: <p2macd07b8d1004232342kdc03f28dl304df926633d3a6@mail.gmail.com>

On 04/23/2010 11:42 PM, yingbin wang wrote:
> of course.
> the attachment is the dom0 kernel compile config that fix the problem.
> I don't know the exact config option which cause the problem, so I
> don't test 2.6.18.8 with debug.you can compare it with the previous
> config to find the differences.
>
> Here are my test results:
>
> test tool:  iperf-2.0.4
> command:
> root@10.250.6.25 :      iperf -s
> root@10.250.6.28 :      iperf -c 10.250.6.25 -i 1 -t 100
>
> network performance:
>
> xen4.0+kernel2.6.31.13(with debug):
> [ ID] Interval       Transfer     Bandwidth
> [  4]  0.0- 9.5 sec    249 MBytes    219 Mbits/sec
>
> xen4.0+kernel2.6.31.13(without debug):
> [ ID] Interval       Transfer     Bandwidth
> [  4]  0.0-100.0 sec  10.7 GBytes    920 Mbits/sec
>   

How do these compare to running the same 2.6.31.13 kernel native?

Thanks,
    J

  parent reply	other threads:[~2010-04-26 20:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <k2iacd07b8d1004150928k3b9581e2raa9eb1c034a36d65@mail.gmail.com>
2010-04-15 16:39 ` network performance drop heavily in xen 4.0 release yingbin wang
2010-04-15 16:51   ` Keir Fraser
2010-04-16  4:24     ` yingbin wang
2010-04-16  5:56       ` Pasi Kärkkäinen
2010-04-16  8:49   ` yingbin wang
2010-04-18 18:55     ` Pasi Kärkkäinen
2010-04-24  6:42       ` yingbin wang
2010-04-24 11:18         ` Re: network performance drop heavily in xen 4.0 release [SOLVED] Pasi Kärkkäinen
2010-04-24 14:20         ` Re: network performance drop heavily in xen 4.0 release Ronaldo C. A. Chaves
2010-04-24 14:59           ` yingbin wang
2010-04-24 15:07             ` Ronaldo C. A. Chaves
2010-04-24 15:57               ` listmail
2010-04-24 16:03                 ` listmail
2010-04-24 16:22                   ` listmail
2010-04-26 20:23         ` Jeremy Fitzhardinge [this message]
2010-05-09 17:23         ` Problem with /etc/init.d/xendomains Carsten Schiers

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4BD5F649.2020601@goop.org \
    --to=jeremy@goop.org \
    --cc=xen-devel@lists.xensource.com \
    --cc=yingbin.wangyb@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.