Re: Celeron J3160 with enabled Turbo mode stays at 480MHz (lowestsetting) forever and can not lower frequency without Tuebo mode

From: Eric van Gyzen <eric_at_vangyzen.net>
Date: Wed, 5 Sep 2018 07:43:28 -0500
On 9/5/18 4:35 AM, Lev Serebryakov wrote:
>   BTW, these four settings in rc.conf(5)
> 
>    performance_cx_lowest
>    performance_cpu_freq
>    economy_cx_lowest
>    economy_cpu_freq
> 
> do NOTHING. They are not used ANYWHERE but rc.conf and rc.conf.5!

They are used by /etc/rc.d/power_profile, but not in a way that grep can 
find.

>   BTW, "Turbo mode enabled + dev.cpu.X.cx_lowset=C3 + powerd" works, but
> gives only 1601 Mhz, not 2240MHz max:
> 
> TURBO ON:
> dev.cpu.0.freq_levels: 1601/2000 1600/2000 1520/1900 1440/1800 1360/1700 1280/1600 1200/1500 1120/1400 1040/1300 960/1200 880/1100 800/1000 720/900 640/800 560/700 480/600 420/525 360/450 300/375 240/300 180/225 120/150 60/75
> 
> TURBO OFF:
> dev.cpu.0.freq_levels: 1600/2000 1520/1900 1440/1800 1360/1700 1280/1600 1200/1500 1120/1400 1040/1300 960/1200 880/1100 800/1000 720/900 640/800 560/700 480/600 420/525 360/450 300/375 240/300 180/225 120/150 60/75

1601 is not the actual frequency.  That is just how it is reported.  It 
is almost certainly running much higher than 1601.

Eric
Received on Wed Sep 05 2018 - 10:43:30 UTC

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