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RE: [Xen-users] Problems with round trip times

To: 'James Harper' <james.harper@xxxxxxxxxxxxxxxx>, "'Xen-users@xxxxxxxxxxxxxxxxxxx'" <Xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Problems with round trip times
From: Markus Plischke <m.plischke@xxxxxxxxx>
Date: Mon, 14 Jul 2008 11:24:16 +0200
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Thread-topic: [Xen-users] Problems with round trip times
This is correct.

If I try to add the cpu cores manually (cpus = "0,1"), nothing changed.


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-----Original Message-----
From: James Harper [mailto:james.harper@xxxxxxxxxxxxxxxx]
Sent: Saturday, July 12, 2008 12:36 PM
To: Markus Plischke; Xen-users@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-users] Problems with round trip times

> Is use a Windows Server 2003 R2 x64 on XEN with the 0.9.10 PV drivers
> James.
> But with and without these driver I have the same problem:
> C:\Program Files\Support Tools>ping
> Pinging with 32 bytes of data:
> Reply from bytes=32 time=24317ms TTL=128
> Reply from bytes=32 time<1ms TTL=128
> Reply from bytes=32 time<1ms TTL=128
> Reply from bytes=32 time<1ms TTL=128
> Ping statistics for
>     Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
> Approximate round trip times in milli-seconds:
>     Minimum = 0ms, Maximum = 24317ms, Average = 6079ms

I see exactly this problem with SMP but not on UP. I assume you are
running with vcpus > 1?


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