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xen-devel
RE: [Xen-devel] How to use deeper C state
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To: |
Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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Subject: |
RE: [Xen-devel] How to use deeper C state |
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From: |
"Wei, Gang" <gang.wei@xxxxxxxxx> |
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Date: |
Wed, 21 Jan 2009 17:27:44 +0800 |
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en-US |
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Acceptlanguage: |
en-US |
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Cc: |
"Tian, Kevin" <kevin.tian@xxxxxxxxx>, "Yu, Ke" <ke.yu@xxxxxxxxx> |
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Wed, 21 Jan 2009 01:29:13 -0800 |
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Thread-topic: |
[Xen-devel] How to use deeper C state |
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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