Messages in this thread | | | Date | Fri, 24 Aug 2012 05:11:08 +0100 | From | Matthew Garrett <> | Subject | Re: [RFC][PATCH 0/3] c-state governor changes |
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On Thu, Aug 23, 2012 at 02:54:05PM -0700, Arjan van de Ven wrote: > On 8/23/2012 2:11 PM, Rik van Riel wrote: > > This patch set is mostly there to kick off a discussion in time > > for Kernel Summit. When running it on my laptop, with acpi_idle, > > I see a promising change in powertop. > > be careful with acpi_idle... that will remove most of the intermediate C states the platform has, > so the policy engine no longer has good things to chose from.
Not inherently - intel_idle typically only exports 4 C states, and many ACPI platforms will provide the same number, especially when on battery.
-- Matthew Garrett | mjg59@srcf.ucam.org
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