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estd and P-States
I've been searching information about Enhanced Speed Step and P-States. I
currently use 'estd' to control the cpu frequency, using '-s' option (smooth).
I would launch 'estd' with '-b' option when the laptop is running on battery,
but I'm not sure if this is supported. Why? well, I can't find any 'sysctl
machdep' related to P-States.
In '/etc/powerd/scripts/acadapter' I've seen this piece of code:
# Enable power saving mode for speedstep CPUs
/sbin/sysctl -w machdep.speedstep_state=0 >/dev/null 2>&1
But in my laptop there's no such 'machdep.speedstep_state'.
My laptop runs 5.99.39 i386 with 'options ENHANCED_SPEEDSTEP' in the
Is there any information about how to configure the C2 state when on battery in
Thanks in advance,
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