Re: [RFC] Paravirt timer for KVM

Dong, Eddie
2007-10-15T04:04:51Z

>>> 1) the PIT is periodic. a PV timer can offer a one shot
>timer which
>>> enables dynticks.
>>>
>>
>> Obviously people have figured out how to do dynticks on real x86
>> hardware, so I don't accept this reason. :)
>>
>
>Using more advanced timers like the HPET.
>

I'd think there is no reason for virtual timer to be PIT like, which
is mostly due to historic reason.

If we need to make it close to native timer device, HPET is much
better than PIT for virtual time to look like.

thx,eddie