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Date: Fri, 4 Jan 2002 14:57:09 -0700
From: Andreas Dilger <adilger@turbolabs.com>
To: Chris Friesen <cfriesen@nortelnetworks.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: kernel log messages using wrong timezone
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On Jan 04, 2002  16:12 -0500, Chris Friesen wrote:
> Andreas Dilger wrote:
> > On Jan 04, 2002  15:14 -0500, Chris Friesen wrote:
> > > How does the kernel figure out how to timestamp the log output?
> > > The reason I'm asking is that we have a system that has /etc/localtime
> > > pointing to the Americas/Montreal timezone, but the log output from the
> > > kernel appears to be UTC.
> > 
> > The kernel doesn't timestamp the logs, AFAIK.  That is done by syslog when
> > it writes the logs to disk.  If you check "dmesg" output - no timestamps.
> 
> Hmm...good point.  However, I should clarify that userspace logs are being
> corrected for timezone, but kernel logs are not. For userspace apps the
> timestamping is done in the glibc syslog() call, so now I need to figure out
> where it's done for the kernel.

Well, on my system I have "syslogd" and "klogd" running.  Kernel logs are
extracted from the kernel ringbuffer by klogd and passed to syslog, so that
would be the place to look.

Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/

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