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SubjectRe: [PATCH] 3/3 Dynamic cpufreq governor and updates to ACPI P-state driver
On Tue, Oct 21, 2003 at 10:38:53AM +0200, Arjan van de Ven wrote:
> On Tue, 2003-10-21 at 04:56, Pallipadi, Venkatesh wrote:
> > Patch 3/3: New dynamic cpufreq driver (called
> > DemandBasedSwitch driver), which periodically monitors CPU
> > usage and changes the CPU frequency based on the demand.
> it's all nice code and such, but I still wonder why this can't be done
> by a userland policy daemon. The 2.6 kernel has the infrastructure to
> give very detailed information to userspace (eg top etc) about idle
> percentages...... I didn't see anything in this driver that couldn't be
> done from userspace.

I remember Linus forcing a kernel only policy management:

Also: I think the userspace governor is a workaround to allow userspace

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