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Re: [Xen-devel] Shell test for pv vs hvm (vs dom0)

To: "dan.magenheimer@xxxxxxxxxx" <dan.magenheimer@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Shell test for pv vs hvm (vs dom0)
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Fri, 22 Feb 2008 21:18:15 +0000
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It's not a shell script, but tools/misc/xen-detect.c will do what you want
on x86 platforms. To detect a Linux dom0 you can check for 'control_d' in
/proc/xen/capabilities.

 -- Keir

On 22/2/08 20:58, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:

> Is there an "officially sanctioned" method for a shell script to
> test whether it is running on a native OS vs pv OS vs hvm OS
> (and possibly also dom0 OS)?
> 
> I know there are lots of different ways to determine this but
> am wondering if any one will work across all (recent and future)
> implementations of Xen and across multiple (at least Linux-based)
> distros.
> 
> If not, perhaps there could/should be a C/python tool in the Xen tree
> that does this?
> 
> ===================================
> If Xen could save time in a bottle / then clocks wouldn't virtually skew /
> It would save every tick / for VMs that aren't quick /
> and Xen then would send them anew
> (with apologies to the late great Jim Croce)
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



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