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

Lev Serebryakov lev at FreeBSD.org
Wed Sep 5 14:49:55 UTC 2018


On 05.09.2018 16:57, D. Ebdrup wrote:

>>>> 1601 is not the actual frequency.  That is just how it is reported.  It
>>>> is almost certainly running much higher than 1601.
>>>
>>> We don't know this until we can independently verify it. Do you mind
>>> running some benchmarks with and without turbo mode?
>>  What could be adequate benchmarks for this? Something likje "openssl
>> speed aes128-cbc" or I need more specific one?
> 
> A new port called sysutils/turbostat can report actual turboboost
> values for Intel CPUs.
 Oh, thank you!

> Unfortunately, I didn't have much luck looking for documentation that
> covers how this can be added to FreeBSD base (preferably exposed via a
> sysctl), but I suspect it would involve both machine-dependent and
> machine-independent parts since both AMD, as well as ARM and other
> architectures use some form of equivalent functionality.
 It should become part of cpufreq(8) for sure.

-- 
// Lev Serebryakov


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