[Xen-devel] RE: Rather slow time of Pin in Windows with GPL PV driver

[MaoXiaoyun <tinnycloud@xxxxxxxxxxx>]

BTW:  HVM windows 2003/2008  with rhel PV driver install works fine too.
Thanks.

 
> Subject: Re: Rather slow time of Pin in Windows with GPL PV driver
> From: james.harper@xxxxxxxxxxxxxxxx
> Date: Wed, 9 Mar 2011 17:56:47 +1100
> To: tinnycloud@xxxxxxxxxxx
>
> How many vcpus?
>
> What is timer_mode set to in the config?
>
> Sent from my iPhone
>
> On 09/03/2011, at 17:53, "MaoXiaoyun" <tinnycloud@xxxxxxxxxxx> wrote:
>
> > Hi James:
> >
> > When using HVM, windows 2003 with GPL PV installed, We
> > found that the Ping respone time is abnormal, quite slow. We did
> > some tests to compare with Linux OS.
> >
> > Attached is the linux and Win2003 Ping result, which shows
> > in Linux, the time is less than 1ms, and very stable, while in 2003,
> > Ping time, minium to lese than 1ms, and maxium to 15ms, unstable.
> >
> > Those two HVMS is on the same host, we also test XP, 2008,
> > and it looks like Ping on XP behavior normally, but in 2008, it has the
> > same behavior as 2003.
> >
> > What could be the cause?
> >
> > Many thanks.
> > <2003.JPG>
> > <linux.JPG>

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