EIST & sysctl -a

Hi,

As I don't know where place this, I decided to put it here.

 

 

I'd like to ask, why is Apple hidding real CPU frequency? (EIST)

Even when I have only terminal running with sysctl -a , it always shows:

hw.busfrequency: 1064000000

hw.busfrequency_min: 1064000000

hw.busfrequency_max: 1064000000

hw.cpufrequency: 2530000000

hw.cpufrequency_min: 2530000000

hw.cpufrequency_max: 2530000000

....

...

machdep.cpu.brand_string: Intel(R) Core(TM)2 Duo CPU     T9400  @ 2.53GHz

 

I don't think that EIST isn't running at all, but is it normal?

What's the reason to hide frequency?

 

Thanks for reply

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