Peter Ganzhorn wrote:
Actually this whole "CPU-idle" thing in the -hrt patchset is not as new
as it might seem - the p-states driver of vanilla kernel (cpufreq)
manages the c-states as well.
eh no it doesn't.
c-states are today exclusively done by drivers/acpi/processor-idle.c
but yes it's effectively the ladder governer, and it really doesn't
work well on tickless systems.
I'm happy to see it fixed ;)
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