Attached another three jpeg screenshots for 3 iterations of the hdtach
disk benchmark tests for pvops dom 0 kernel 2.6.30-rc3.
--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
Engineering)
Alma Maters:
(1) Singapore Polytechnic
(2) National University of Singapore
Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
Email: space.time.universe@xxxxxxxxx
MSN: teoenming@xxxxxxxxxxx
Mobile Phone: +65-9648-9798
Street: Bedok Reservoir Road
Republic of Singapore
On Wed, Oct 14, 2009 at 9:08 AM, Mr. Teo En Ming (Zhang Enming)
<space.time.universe@xxxxxxxxx> wrote:
> Dear All,
>
> I have just installed GPLPV drivers in my Win XP Home domU.
>
> I installed this version
> http://www.meadowcourt.org/downloads/gplpv_fre_wxp_x86_0.10.0.86.msi
> in my Windows XP Home virtual machine.
>
> http://wiki.xensource.com/xenwiki/XenWindowsGplPv
>
> http://www.meadowcourt.org/downloads/
>
> After installation of the GPL PV drivers, the harddisk drive in Device
> Manager has changed from QEMU harddisk to XEN PV DISK SCSI DISK
> DEVICE. The emulated Realtek network adapter has been replaced with
> Xen Net Device Driver 1.0 Gbps.
>
> After installation of the GPL PV drivers, I could no longer run
> Sisoftware Sandra Disk I/O benchmark tests as it only support ATA,
> SATA and ATAPI devices. SCSI device is not supported.
>
> I have performed disk I/O benchmark tests using HDtach for pvops dom 0
> kernels 2.6.30-rc3 and 2.6.31.1. For each kernel, there are 3
> iterations of the HDtach benchmark test.
>
> I am using Xen 3.5-unstable changeset 20143 with Intel gfx passthrough
> version 1 patches applied on Intel DQ45CB motherboard (BIOS 0093) with
> nVidia Geforce 8400 GS PCI Express x16 with 8 GB DDR2-800 memory.
>
> http://www.youtube.com/watch?v=HNEiSInrav0
>
> http://www.youtube.com/watch?v=_hOT_9LIG5w
>
> http://www.youtube.com/watch?v=1ia3IwG6tp4
>
> http://www.youtube.com/watch?v=5tLzYqIJ7Q0
>
> Before using Xen GPLPV drivers (QEMU emulated harddisk), disk
> performance in 2.6.30-rc3 clearly outshines that in 2.6.31-rc6 and
> 2.6.31.1. In 2.6.30-rc3, disk throughput is 50 MB/s while in
> 2.6.31-rc6 and 2.6.31.1, disk throughput is about 30 MB/s using
> Sisoftware Sandra test suite.
>
> Using GPLPV drivers, disk I/O performance is about equal in both pvops
> dom 0 kernels 2.6.30-rc3 and 2.6.31.1. Please see attached three JPEG
> screenshots of the hdtach disk benchmark test results for pvops dom0 2.6.31.1.
>
> --
> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
> Engineering)
> Alma Maters:
> (1) Singapore Polytechnic
> (2) National University of Singapore
> Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
> Email: space.time.universe@xxxxxxxxx
> MSN: teoenming@xxxxxxxxxxx
> Mobile Phone: +65-9648-9798
> Street: Bedok Reservoir Road
> Republic of Singapore
>
> On Fri, Oct 9, 2009 at 8:54 AM, Mr. Teo En Ming (Zhang Enming)
> <space.time.universe@xxxxxxxxx> wrote:
>> Hi,
>>
>> I have performed 5 iterations of the disk I/O benchmark tests. Here
>> are the results:
>>
>> #1: 26.67 MB/s
>> #2: 31.65 MB/s
>> #3: 30 MB/s
>> #4: 28 MB/s
>> #5: 28.87 MB/s
>>
>> Just to confirm, if I do a "git clone
>> git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>> linux-2.6-xen", but if I did not do a git checkout, the default branch
>> selected will be rebase/master right?
>>
>> --
>> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
>> Engineering)
>> Alma Maters:
>> (1) Singapore Polytechnic
>> (2) National University of Singapore
>> Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
>> Email: space.time.universe@xxxxxxxxx
>> MSN: teoenming@xxxxxxxxxxx
>> Mobile Phone: +65-9648-9798
>> Street: Bedok Reservoir Road
>> Republic of Singapore
>>
>>
>>
>> On Thu, Oct 8, 2009 at 11:05 PM, Mr. Teo En Ming (Zhang Enming)
>> <space.time.universe@xxxxxxxxx> wrote:
>>> On Thu, Oct 8, 2009 at 10:49 PM, Konrad Rzeszutek Wilk
>>> <konrad.wilk@xxxxxxxxxx> wrote:
>>>>> > > No I did not. I am not aware of this requirement.
>>>>> >
>>>>> > Please do.
>>>>>
>>>>> I will do it before I start the Win XP guest. After I start win xp
>>>>> domU, I won't be able to access dom0 any more. So I won't be able to
>>>>> clear caches in between iterations of the disk I/O benchmark tests.
>>>>
>>>> You should be able to ssh from the DomU to the Dom0?
>>>>
>>>
>>> By right I should be able to. But a few minutes after I have started
>>> Win XP domU, the IP address of dom0 will disappear. So I won't be able
>>> to ssh from Win XP domU to dom0.
>>>
>>>>>
>>>>> > >
>>>>> > >
>>>>> > > >
>>>>> > > > Are you using stub-domain or normal QEMU?
>>>>> > > >
>>>>> > >
>>>>> > > I don't think I am using stub-domain. I should be using normal QEMU.
>>>>> >
>>>>> > You are not based on your guest configuration.
>>>>> >
>>>>> > .. snip ..
>>>>>
>>>>> I don't quite understand.
>>>>
>>>> I missed a comma. It should have said:
>>>>
>>>> You are not, based on your guest configuration.
>>>>
>>>
>>>
>>>
>>> --
>>> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
>>> Engineering)
>>> Alma Maters:
>>> (1) Singapore Polytechnic
>>> (2) National University of Singapore
>>> Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
>>> Email: space.time.universe@xxxxxxxxx
>>> MSN: teoenming@xxxxxxxxxxx
>>> Mobile Phone: +65-9648-9798
>>> Street: Bedok Reservoir Road
>>> Republic of Singapore
>>>
>>
>
2.6.30-rc3 hdtach 01.JPG
Description: JPEG image
2.6.30-rc3 hdtach 02.JPG
Description: JPEG image
2.6.30-rc3 hdtach 03.JPG
Description: JPEG image
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