RE: [Xen-devel] How to use deeper C state

["Wei, Gang" <gang.wei@xxxxxxxxx>]

On Wednesday, January 21, 2009 5:10 PM, Keir Fraser wrote:
> On 21/01/2009 09:02, "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx> wrote:
> 
>> When I tried cpuidle option,
>> max_cstate indicates C7 with debug-key in my machine.
>> But the result of "xenpm start" doesn't say
>> that xen enter C2 or more state.
>> Do I need anything else(boot option and so on)?
>> 
> 
> Try adding hpetbroadcast to your Xen command line.

The hpetbroadcast doesn't help on this. Please give the entired xm dmesg as I 
mentioned in another reply.

Jimmy
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