Kernel log mechanism: How to log messages in a different file

Bruce Rowen browen at
Sat Jun 25 09:49:13 EDT 2011


On Jun 25, 2011, at 7:40 AM, 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.
> Considering above can be done, then what about dmesg ?
> will they still show up in dmesg output ?
> Regards,
> Amit
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