Re: [Xen-devel] S3 sleep in dom0 breaks dom0<->domU wallclock synchronization

[Joanna Rutkowska <joanna@xxxxxxxxxxxxxxxxxxxxxx>]

On 07/06/10 01:19, Jeremy Fitzhardinge wrote:
> On 07/05/2010 04:03 PM, Joanna Rutkowska wrote:
>> I guess all these other clocks have nothing to do with RTC/wallclock,
>> right? They are effectively just like any other system timers (they are
>> system timers), and they are updated by the timer interrupt and they
>> don't need RTC to be happy? So, I would say they are fine, just like all
>> the other timers, as otherwise I would expect DomUs to explode/hang
>> after resume.
>>   
> 
> CLOCK_MONOTONIC is directly derived from the Xen system time, so it will
> presumably pause while the machine is suspended.  CLOCK_REALTIME is just
> the Xen system time with an offset added to make the normal Unix TOD; if
> the offset isn't updated after resume, then it will also not advance
> over the suspend.
> 

What is an easy way to dump all those clocks, like e.g. via some /proc
entry?

j.

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