On Thu, 11 Dec 2003, Ducrot Bruno wrote: > On Wed, Dec 10, 2003 at 10:06:45AM -0800, Nate Lawson wrote: > > On Wed, 10 Dec 2003, Lukas Ertl wrote: > > > On Tue, 9 Dec 2003, Nate Lawson wrote: > > > > I'm working on a shared CPU frequency control driver. One step is to > > > > remove some of the autonomy of the throttling portion of acpi_cpu. > > > > Please test this patch if you have a machine which supports throttling. > > > > > > Apropos CPU frequency: is there a way to find out at what frequency the > > > CPU is running? And shouldn't SpeedStep have an influence on that? (Or > > > is SpeedStep not supported?) > > > > This is getting a bit off-topic. It's too early to discuss how all the > > different parts of cpufreq work. The answer is "yes and no", depending on > > which underlying technologies your laptop has available. ACPI throttling: > > yes, SpeedStep: mostly yes, ACPI performance states: no. > > ACPI performance states (IO only though) should be ok, no? There's no way to read the current ACPI performance state value. The only thing you can do is set a performance state and validate that it succeeded. -NateReceived on Thu Dec 11 2003 - 10:53:32 UTC
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