Messages in this thread | | | Date | Wed, 28 Aug 2002 16:00:31 -0700 | From | george anzinger <> | Subject | Re: [PATCH][2.5.32] CPU frequency and voltage scaling (0/4) |
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Linus Torvalds wrote: > > On Wed, 28 Aug 2002, Dominik Brodowski wrote: > > > > "policy input" --> "frequency input" --> cpufreq core --> cpufreq driver > > user-space | k e r n e l - s p a c e > > No. > > The "policy input" has to filter down ALL THE WAY. If you turn it into a > frequency-only input at _any_ time, you've lost information that the > lowest levels need. > > THAT is the problem with the current #3 - it _assumes_ that the policy > input has already been converted to frequency, and since it assumes that, > it cannot handle the case where the hardware itself wants to know what the > policy was.
I wonder about converting it to frequency at most any level. Why not some abstract such as % of full speed, or % of full power. I, for one, don't want to have to think absolute numbers. First thing you know I will have a new box with different numbers. Then what? -- George Anzinger george@mvista.com High-res-timers: http://sourceforge.net/projects/high-res-timers/ Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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