WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

Re: [Xen-users] HDD-performance on HVM winxp

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] HDD-performance on HVM winxp
From: "Brian Stempin" <brian.stempin@xxxxxxxxx>
Date: Mon, 28 Apr 2008 17:45:31 -0400
Delivery-date: Mon, 28 Apr 2008 14:46:03 -0700
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:references; bh=ncjNme9YUE4qSaBs8HwcIlkAfgN9Mn2JWSOVL8T/GrU=; b=ElS7bnyxqgrtivYl8hqRDoU3JW4D017vvaUi128M1xpi4E9MPiJV1ndfgSH1xBNou1gmKCQ7pNTpHxSD0hqChtV12BbXYE5NGbeMDWjv8DVJOaZucMl/YlZr2dgD1mwHT76+VPk0zbKTwC2vxw5qg0XwhWCl5mB2e1bDfPRms34=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version:content-type:references; b=QnFSjKbtDr5irOty3wP6q1j2vlH2m8+nfHpc0uKl9be5sKVE/2N8bzm4mfKVaK8R20zMcB636/P0KkFb7WEAX1nekNPAbsEygSnA/r1VFk2cNCYokcxGSO6zy6qOC37YhVNldo9rsyhsOXOrHcRmrunBXs2+H2/dlBBDk/bplnE=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <351785350804281442r1e3c19adl4c38856655e1ac61@xxxxxxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <EB31672367A401439CD5A4A10889D57B51E30A@xxxxxxxxxxxxxxxxx> <481631BD.8070409@xxxxxxxxxxxxx> <351785350804281442r1e3c19adl4c38856655e1ac61@xxxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
I hear that the network performance under HVM Windows is quite poor without the drivers.  Perhaps you're having network throughput problems in your VM?

On Mon, Apr 28, 2008 at 5:42 PM, Brian Stempin <brian.stempin@xxxxxxxxx> wrote:
I hear that the network throughput sucks if you don't use the GPL Drivers.  Perhaps you're VM is having network throughput problems?


On Mon, Apr 28, 2008 at 4:21 PM, Alexander Junghans <xen@xxxxxxxxxxxxx> wrote:
Hi,

Iometer have been installed from http://www.iometer.org/ under XP.
Transfer request size to 1MB and 128k and measured.

1MB:
Read: 35MB/s
Write: 10MB/s

128k:
Read: 21MB/s
Write: 7,5MB7s

I think that there is a problem with your setup.
My setup uses a LVM Volume on Software Raid1 on
two SATA Drives.

XEN 3.2.1build from Source.

But I have a problem with the load in dom0, when
XP ist idle.

The CPU in Xentop is nearly 100% all the time, in
the xp dom.

What is your cpu level of the HVM Domain.

Thanks.
Alexander Junghans


Daniel Schwager schrieb:

Hi together,

i'm running a winxp hvm-domain without the GPLPV-driver.

I imported an iscsi-target as a lun for the winxp-domain and
run an iometer test directly on the winxp-domain:

       Blocksize       type    MB/sec
       ------------------------------
       1 MB            read    25 MB
       1 MB            write   0.8 MB
       128 kb  read    25 MB
       128 kb  write   0.8 MB

If I run the same test on the xen-domain0 (hostsystem)using iometer's
dynamo, I got
       Blocksize       type    MB/sec
       ------------------------------
       1 MB            read    66 MB
       1 MB            write   55 MB

My problem ist the 0.8MB/sec in the winxp-domain...
Is there a way to track down the performance issue ?

[root@xen04 /var/log/xen]$ rpm -qa | grep xen
kernel-xen-devel-2.6.21-2957.fc8
kernel-xen-devel-2.6.21.7-3.fc8
xen-libs-3.1.2-2.fc8
kernel-xen-2.6.21.7-3.fc8
xen-3.1.2-2.fc8
xen-libs-3.1.2-2.fc8
kernel-xen-2.6.21-2957.fc8
kernel-xen-2.6-doc-2.6.21.7-3.fc8

[root@xen04 /var/log/xen]$ uname -a
Linux xen04.test 2.6.21-2957.fc8xen #1 SMP Tue Feb 12 13:07:27 EST 2008
x86_64 x86_64 x86_64 GNU/Linux


regards
Danny


_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users
 


_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users


_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users
<Prev in Thread] Current Thread [Next in Thread>