Re: [Xen-users] Am I running under Xen?

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

Matthew Haas wrote:
> Tom Horsley wrote:
> > Is there a standard idiom most folks use to ask the
> > question: Am I a linux that was just booted under Xen?
>
>  If there is a nice guaranteed way of detecting a Paravirtualized domU 
> (or if the machine is acting as a dom0), I would also be interested in 
> knowing (basing it off strings in the kernel name isn't necessarily 
> 100% guaranteed).
What RH did :
"if [ -e /proc/xen/xsd_kva -o ! -d /proc/xen ]; then"

First part detects a xen dom0, second part detects a native Linux.
To detect domU, you could put the code in the "else" part, or invert the 
test, e.g.
"if [ -d /proc/xen -a ! -e /proc/xen/xsd_kva ]; then"

Regards,

Fajar

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