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xen-devel
RE: AW: [Xen-devel] How to use Px/Cx for power saving?
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To: |
"Carsten Schiers" <carsten@xxxxxxxxxx>, "Tian, Kevin" <kevin.tian@xxxxxxxxx>, "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx> |
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Subject: |
RE: AW: [Xen-devel] How to use Px/Cx for power saving? |
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From: |
"Langsdorf, Mark" <mark.langsdorf@xxxxxxx> |
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Date: |
Thu, 15 Jan 2009 11:20:13 -0600 |
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Cc: |
xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Yu, Ke" <ke.yu@xxxxxxxxx> |
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Thu, 15 Jan 2009 09:20:48 -0800 |
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AW: [Xen-devel] How to use Px/Cx for power saving? |
> Also, is acpi_cpufreq an alternative to e.g. powernow-k8 or
> speedstep-centrino?
It is for Intel parts, but AMD power management does not
quite follow the ACPI specification and acpi-cpufreq does
not support it.
For AMD parts, use powernow-k8.
-Mark Langsdorf
Operating System Research Center
AMD
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