LinuxLogFile format in Ubuntu 8.04
Alvaro del Olmo
seiken at ya.com
Fri Jun 20 07:51:55 UTC 2008
Numbers in square brackets are a timestamp attached to the message, which
can be useful to debug problems. Its format is [seconds.microseconds], and
it begins from boot up (see (var/log/dmesg; it begins from 0.0). This
timestamp is ussually appended in when 'printk( )' function is called by the
To disable it you may alter CONFIG_PRINTK_TIME kernel variable, but i'm sure
someone has another best suggest.
Álvaro del Olmo.
2008/6/19, Douglas Gilbert <dgilbert at interlog.com>:
> I can find no explanation of the proforma part of log file
> Here is a typical entry from /var/log/messages:
> Jun 19 10:17:23 rink kernel: [ 25.352589] agpgart: Putting AGP V2 ...
> Where is that format defined (from the start of line to
> 'agpgart:' in this case)? Why was the square bracket enclosed
> section added? What is it? [Seconds since boot up?]. What tools
> can decode what is in the square brackets? Can the proforma part
> of a log entry be user configured?.
> The LinuxLogFile document could be enhanced by adding a section
> to explain the log file output format.
> Doug Gilbert
> ubuntu-doc mailing list
> ubuntu-doc at lists.ubuntu.com
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the ubuntu-doc