Re: [Xen-devel] [PATCH, RFC v2] x86/HVM: assorted RTC emulation adjustments (was Re: Big Bug:Time in VM goes slower...)

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 16.08.12 at 15:43, tupeng212 <tupeng212@xxxxxxxxx> wrote:
> Dear Jan:
> I didn't check the flipping in JVM, but from the printing period in xen, 
> this setting happened(unit: ns):
> 976562, 976562, 976562, 976562, 15625000, 976562, 976562, 976562, 976562, 
> 15625000 .....
> and someone told me windows use these two rate/period only.

Okay, some back and forth is there in any case, but without
knowing the time distance between the individual instances it's
hard to tell whether what I'm thinking of might help.

> besides, I checked my former simple tester this morning after it ran for a 
> whole night, it lagged much.

Could you btw quantify the lagging?

Your tester sets only a single, constant rate repeatedly, right?
If so, then the thought of adjustment likely won't help.

Jan


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