RPi and powerd, was: Re: RPI4 clock speeds and serial port ( temperatures idle and -j4 buildworld buildkernel )

[tech-lists]

Hi,

latest build run:

>>> World built in 22976 seconds, ncpu: 4, make -j6
--------------------------------------------------------------

6 Hours : 22 Minutes : 56 Seconds

created kernel.bin from kernel.full
--------------------------------------------------------------
>>> Kernel build for GENERIC-NODEBUG completed on Mon Mar 22 13:54:53
>>> UTC 2021
--------------------------------------------------------------
>>> Kernel(s)  GENERIC-NODEBUG built in 2086 seconds, ncpu: 4, make -j6
--------------------------------------------------------------

0 Hours : 34 Minutes : 46 Seconds

commands used:
1. cd /usr/src
2. git pull --ff-only
3. make -j10 cleanworld
4. make -j10 cleandir
5. make -j10 clean
6. make -j6 buildworld
7. make -j6 buildkernel

here's the src.conf :
https://cloud.zyxst.net/~john/FreeBSD/rpi4-main/src.conf

relevant rc.conf settings:
powerd_enable="YES"
powerd_flags="-r 1"

sysctl.conf settings:
vfs.read_max=128 # default 64 # Cluster read-ahead max block count

config.txt:
kernel=u-boot.bin
over_voltage=6
arm_freq=2000
sdram_freq_min=3200

-- 
J.
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