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Date:      Fri, 19 Mar 2021 22:12:22 +0100
From:      Klaus Cucinauomo <maciphone2@googlemail.com>
To:        bob prohaska <fbsd@www.zefox.net>, freebsd-arm@freebsd.org
Subject:   Re: RPI4 clock speeds and serial port ( temperatures idle and -j4 buildworld buildkernel )
Message-ID:  <F110CC43-49C8-4E33-8AD3-728846029ABB@googlemail.com>
In-Reply-To: <5C06325C-2C57-4760-8F94-51617B05B0B3@googlemail.com>
References:  <5C06325C-2C57-4760-8F94-51617B05B0B3@googlemail.com>

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> Am 19.03.2021 um 21:58 schrieb Klaus Cucinauomo <maciphone2@googlemail.com=
>:
>=20
> =EF=BB=BF
>>>=20
>>>>> Am 19.03.2021 um 18:43 schrieb bob prohaska <fbsd@www.zefox.net>:
>>>>=20
>> I've enabled powerd and rebooted, console messages report that powerd
>> started with no explicit errors. A -j4 buildworld is running now.
>>=20
>> Should I expect to see powerd mess up the default mini-uart serial consol=
e?
>> So far, it hasn't with top reporting less than 1% idle. That's confusing.=
...
>>=20
>> Thanks for writing!
>>=20
>> bob prohaska
>=20
> normally shouldn=E2=80=98t mess up the console....
> sysctl dev.cpu.0.freq  ... cpu.1.freq etc.
> prints the current freq
>=20
> -j4 shown c++ with =E2=80=9Atop=E2=80=98 should=20
> run @ approx. 97% CPU-usage while =E2=80=9Amake=E2=80=98 uses bit less=20
> Regards
>=20
> K.
>=20
of course =E2=80=9Asysctl dev.cpu.0.freq =E2=80=9A while =E2=80=9Amake -j4=E2=
=80=98 is running,
 so via ssh or you  can use the  =E2=80=9Ascreen=E2=80=98 tool

K.
>=20



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