[tesla-dev] add funtion to place processor into deeper c-state

[Li, Aubrey]

Bill Holler wrote:

>>> You can probably take it from another CPU that's not in deep-c
>>> state (if there is one?) 
>>> 
>>> 
>>> 
>> Yes.  Our initial thoughts are to sync up with a running CPU
>> via cross call.  We need to run performance experiments with
>> different implementations to see what the costs are.
>> 
> Synching TSC/APIC with a running cpu is potentially much more
> accurate than using the HPET.  However this will induce drift.
> 
if all the cpus are in the deeper c-state,...?

Thanks,
-Aubrey