Acer c720 machdep.mwait.CX.[idle, spin]

Sascha Wildner saw at online.de
Mon Dec 8 00:51:11 PST 2014


On Sun, 07 Dec 2014 01:44:48 +0100, Romick <yellowrabbit2010 at gmail.com>  
wrote:

>> Also suggested in /etc/sysctl.conf:
>>
>> 	hw.cpu_mwait_halt=0x44
>> 	hw.cpu_mwait_spin=0x11
>
> Now these sysctls are read-only. Which C-states I must use with
> machdep.mwait.CX.[idle, spin]?
>
> machdep.mwait.CX.supported: C1/0 C1/1 C2/0 C3/0 C3/1 C4/0 C4/1 C4/2 C4/3
> C5/0 C6/0 C7/0

Tried machdep.mwait.CX.idle=AUTODEEP?

The sysctl machdep.mwait output should tell you how often each state was  
entered.

Sascha



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