Re: [Xen-devel] synchronization between domUs

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 05/06/2009 23:52, "Lei Ye" <leiye.xen@xxxxxxxxx> wrote:

> I am doing the tracing work in Xen. I run two DomUs, and both have the same
> built xen 2.6.18.8 kernel. Each domain U has a filesystem image file mounted
> as root and run X11 GUI mode. I modfiy the kernel source code and direct the
> two domU logs to remote syslog server via printk/syslog. The problem I found
> is that multiple domainUs are to some extents time-correlated if both are
> idle, for example, the crond daemons execute the scripts almost at the same
> period although the domUs boots at different time. Can someone tell whether
> there is explicit synchronization done for DomUs in Xen? Why are they
> synchronized, like some system daemons?

They'll be running the same wallclock. That would tend to synchronise crond
I would think. :-)

 -- Keir



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