From mboxrd@z Thu Jan 1 00:00:00 1970 From: anuj01@gmail.com (=?UTF-8?B?4KSF4KSo4KWB4KSc?=) Date: Thu, 30 Jun 2011 10:42:54 +0530 Subject: Kernel log mechanism: How to log messages in a different file In-Reply-To: References: Message-ID: To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On Mon, Jun 27, 2011 at 10:27 PM, Ramesh.P wrote: > Hi, > > Regarding dmesg. I believe it will still show up in it. It can be > controlled by /proc/sys/kernel/printk settings. As per man 5 proc: > > ? ? ? /proc/sys/kernel/printk > ? ? ? ? ? ? ?The four values in this file are console_loglevel, ?default_mes- > ? ? ? ? ? ? ?sage_loglevel, ? ? minimum_console_level ? ? and ? ?default_con- > ? ? ? ? ? ? ?sole_loglevel. ?These values influence ?printk() ?behavior ?when > ? ? ? ? ? ? ?printing ?or logging error messages. > > Regards, > Ramesh > > On Sat, Jun 25, 2011 at 1:05 PM, Mulyadi Santosa > wrote: >> On Sat, Jun 25, 2011 at 20:40, amit mehta wrote: >>> Hi, >>> >>> I've written some kernel modules using kprobes infrastructure >>> to grab some more information on network packets. I've lots of >>> printk which by default show up in syslog file(/var/log/messages), >>> I was wondering if there are some method to redirect my printkS >>> to appear in somewhere else(say /var/log/netlog). >>> On a busy system, it gets little cluttered with other logs. Of-course >>> i can grep for my own custom messages but it would be lot more >>> convenient if i can redirect my messages in ?a separate log file. >> >> side speaking, consider using netlink and create a user space netlink >> grabber specificly to read the messages that thrown in your netlink >> channel. IMO that would be faster and not cluttering the syslog >> buffer...especially if you need to save tons of messages.....just my $ >> 0.002 tips :D >> >> -- >> regards, >> >> Mulyadi Santosa >> Freelance Linux trainer and consultant >> >> blog: the-hydra.blogspot.com >> training: mulyaditraining.blogspot.com >> >> _______________________________________________ >> Kernelnewbies mailing list >> Kernelnewbies at kernelnewbies.org >> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >> > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies at kernelnewbies.org > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > Try syslog-ng: http://en.wikipedia.org/wiki/Syslog-ng http://itexam.blogspot.com/2009/03/logging-with-syslog-ng.html google for more ! -- Anuj Aggarwal ?.''`. : :? :?? # apt-get install hakuna-matata `. `'` ?? `-