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Re: [Xen-devel] Time in Xen

To: "Ian C. Blenke" <ian@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Time in Xen
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Mon, 27 Oct 2003 22:50:46 +0000
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> > For development environments, it really would help to be able to disable
> > this behavior. There's nothing quite like fiddling with the clock,
> > troubleshooting some timestamp behavior, only to find the system time
> > "fixed" after a testing run. 
> Okay, I can add a command-line option and/or sysctl switch to modify
> this behaviour quite easily. I have some other tweaks I'll be making
> shortly, so I'll add this at the same time.

There are now two ways to cause a domain to run its wallclock
independently from Xen:
 1. Specify 'independent_wallclock' on the command line.
 2. 'echo 1 >/proc/sys/xeno/independent_wallclock'.

To reenable tracking of Xen wallclock:
 1. 'echo 0 >/proc/sys/xeno/independent_wallclock'.

 -- Keir

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