what mean 'journal-or-kmsg' systemd 'log-target'?

[poma]

On 10.09.2013 12:01, Frantisek Hanzlik wrote:
> poma wrote:
>> On 10.09.2013 10:03, Frantisek Hanzlik wrote:
>>> Know anyone what exactly mean 'journal-or-kmsg' value for '--log-target'
>>> systemd option or 'LogTarget=' /etc/systemd/system.conf option?
>>>
>>> man page for F19 systemd v204-9 mention it, but without any explanation.
>>> (as well for 'syslog-or-kmsg' value)
>>>
>>> TIA, Franta Hanzlik
>>>
>>
>> You should try carefully to re-read the section of manual, it points to
>> the "main" manual. ;)
>> man 5 systemd-system.conf -> man 1 systemd
>>
>> man 7 signal - SIGRTMIN
>>
>>
>> poma
> 
> You think this piece in 'SIGNAL' systemd man page paragraph?:
> 
> SIGRTMIN+26, SIGRTMIN+27, SIGRTMIN+28, SIGRTMIN+29
>   Sets the log level to journal-or-kmsg (or console on SIGRTMIN+27,
>   kmsg on SIGRTMIN+28, or syslog-or-kmsg on SIGRTMIN+29), as controlled
>   via systemd.log_target=journal-or-kmsg (or systemd.log_target=console
>   on SIGRTMIN+27, systemd.log_target=kmsg on SIGRTMIN+28, or
>   systemd.log_target=syslog-or-kmsg on SIGRTMIN+29) on the kernel
>   command line.
> 
> where You see what is doing 'journal-or-kmsg' settings?
> 
> Fr. Hanzlik
> 

Actually you're right, it's not explained. At least not the way you expect.
With all the repeated explanations of all terms, the manual would be
turned into an encyclopedia what wouldn't be bad at all. :)
Just, try to find someone who'll do it. :)
So, try to figure out the meaning of the words "journal" & "kmsg".
This is a good example of the use,
http://freedesktop.org/wiki/Software/systemd/Debugging/


poma