>-----Original Message-----
>From: Jeff Garzik [mailto:[email protected]]
>Sent: Wednesday, March 22, 2006 7:45 PM
>To: Pallipadi, Venkatesh
>Cc: Mattia Dongili; Alejandro Bonilla; [email protected]
>Subject: Re: Dual Core on Linux questions
>
>Pallipadi, Venkatesh wrote:
>>>From cpufreq perspective multiple things are possible in the way
>> processor will support the multi-core frequency changing. and most of
>> the things are handled at cpufreq inside kernel. I think
>there should be
>> minima changes required in cpufreqd if any.
>> Options:
>
>
>4) we power down a core.
>
That is more of a logical hotplug issue than cpufreq. But, it is better
to keep the CPU on and scheduler do the best use of it. If CPU has
nothing to run, it will go to deepest C-state possible and idle in that
state anyway.
Thanks,
Venki
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