Re: 2.6.27-rc8: throttling broken

From: Pavel Machek
Date: Fri Oct 10 2008 - 17:34:01 EST


On Fri 2008-10-10 09:12:05, Zhao Yakui wrote:
> On Thu, 2008-10-09 at 23:27 +0200, Rafael J. Wysocki wrote:
> > On Thursday, 9 of October 2008, Pavel Machek wrote:
> > > Hi!
> > >
> > > On 2.6.27-rc8 on via/fic subnotebook, throttling seems to be broken. I
> > > can do echo 15 > /proc/acpi/processor/*/throttling, and proc file
> > > reflects new value, but cpu still runs at same speed.
> > >
> > > It worked on opensuse11/sled10 kernels at least...
> After echo 15 > /proc/acpi/processor/*/throttling, what T-state is
> displayed by cat /proc/acpi/processor/*/throttling?

IIRC that worked correctly. I.e. "*" moved to T15.

> If you do the above test on the 2.6.26.x kernel, what T-state is
> displayed ?

Throttling seems to work there and T15 is correctly marked by "*".

--
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