powernowd and friends

Dave Jones davej at redhat.com
Wed Dec 10 13:35:49 UTC 2003


On Wed, 2003-12-10 at 07:42, Behdad Esfahbod wrote:

> The logical conclusion is that, modulating CPU speed *on demand*
> means nothing.  No matter what speed you *think* your CPU is
> working on, your CPU is smart enough to consume enough power to
> complete the job.

Because you're running the ACPI code, *and* the cpufreq code.
ACPI will do load based adjustments itself on most laptops.
cpufreq should be looked on as an alternative if ACPI doesn't work
on a particular system due to broken AML tables.

	Dave





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