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 c
On 08/23/2012 05:54 PM, 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 wi
> Please let me know what you think :)
>
btw on what kind of hardware are you seeing the issues ?
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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
t
It turns out that the c-state governor can be a performance issue
with certain workloads. The problem workloads seem to involve
mixed length pauses between activities, eg. an occasional long
idle period, with a burst of activity involving short idle periods.
One example of this would be a system
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