Re: RPI4 clock speeds and serial port

On 2021-Mar-25, at 08:09, tech-lists <tech-lists at zyxst.net> wrote:

> On Thu, Mar 18, 2021 at 12:05:54PM -0700, Mark Millard via freebsd-arm wrote:
> 
>> # ~/fbsd-based-on-what-freebsd-main.sh
> 
> I've seen you reference this more than once. I guess it's a handy list of git
> commands. Please tell us what's in it/what it does?
> 
> The reason I'm asking is i'm still trying to get my head around git. As
> someone who is much more a sysadmin than a developer, svn did way more
> for me than git. The commands I miss most are svn info <path> and svn up -r <version-number>

I made the possibly-unusual choice to experiment
with having the FreeBSD patches that I use committed
in my FreeBSD git environment (in my own branches
that track FreeBSD updates from freebsd/main). [A
good portion of the patches are tied to using old
PowerMacs.]

This leads to issues reporting what official FreeBSD
version my context is based on. So I use a script
for the freebsd/main branch that traces back to a
common point and reporting back to that common
point, inclusive of the common point.

# more ~/fbsd-based-on-what-freebsd-main.sh 
#! /bin/sh
base="`git merge-base freebsd/main HEAD`" \
&& echo "merge-base: $base" \
&& base_date="`TZ=UTC git log --format=fuller --date=iso-local --no-color $base^..$base | grep CommitDate:`" \
&& echo "merge-base: $base_date" \
&& git log --oneline --no-color $base^..HEAD \
&& uname -apKU

It results in output like is shown below:

# ~/fbsd-based-on-what-freebsd-main.sh 
merge-base: 7381bbee29df959e88ec59866cf2878263e7f3b2
merge-base: CommitDate: 2021-03-12 20:29:42 +0000
def0058cc690 (HEAD -> mm-src) mm-src snapshot for mm's patched build in git context.
7381bbee29df (freebsd/main, freebsd/HEAD, pure-src, main) cam: Run all XPT_ASYNC ccbs in a dedicated thread
FreeBSD RPi4B 14.0-CURRENT FreeBSD 14.0-CURRENT mm-src-n245445-def0058cc690 GENERIC-NODBG  arm64 aarch64 1400005 1400005

The "merge-base" lines are about the common point.
The above shows that I've one commit after that
point: my historical patches are bundled into one
commit for how I'm working. If I change the patching,
I might for a time have more than one commit showing
before the merge base commit is listed.

===
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)

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