On Sun, Mar 6, 2011 at 3:52 AM, Andrzej Kardas <andrzej-kardas@xxxxx> wrote:
console_loglevel concern messages that should display on the CONSOLE not "dmesg" and controls if message is enough important (read: have prioryty below console_loglevel) to display it on the console. You must know that, kernel logs its messages into buffer (into the RAM) which have constant size, when you type dmesg, you simply read messages from that buffer (ring-buffer), so that why you see your line in dmesg.
On 05.03.2011 19:42, Siddu wrote:Hi all,
Hi all,
I am little stuck understanding this piece of code below and the way its been working
Question: since KERN_INFO = 6 # which is msg_log_level
and as per codemsg_log_level < console_loglevel
this line of printk is not supposed to show up in the dmesg log ? but it is showing up . Why
What is more, there is deamon called syslog (rsyslog) which reads this buffer periodically and saves messages in appropriate log file on the hard drive e.g. /var/log/kern.log or /var/log/messages etc. You can configure rsyslog as you wish, to log certain types messages into logfiles.
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regards
Andrzej Kardas
http://www.linux.mynotes.pl
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Regards,
~Sid~
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