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<H1>[Mageia-dev] Enable kernel log timestamps?</H1>
<B>Thomas Backlund</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Enable%20kernel%20log%20timestamps%3F&In-Reply-To=%3C4EDA6AA8.9040205%40mageia.org%3E"
TITLE="[Mageia-dev] Enable kernel log timestamps?">tmb at mageia.org
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<I>Sat Dec 3 19:30:00 CET 2011</I>
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<PRE>03.12.2011 20:26, Thomas Backlund skrev:
><i> 03.12.2011 18:22, Anssi Hannula skrev:
</I>>><i> Hi!
</I>>><i>
</I>>><i> I propose to we configure our kernel to emit timestamps in kernel messages.
</I>>><i>
</I>>><i> + This allows quickly seeing the timing of kernel messages when using
</I>>><i> the "dmesg" command.
</I>>><i> + Allows to quickly see which msgs come from kernel when other
</I>>><i> processes (like systemd) inject messages there.
</I>>><i> + Others are doing it AFAIK.
</I>>><i> - Causes longer log lines
</I>>><i>
</I>><i>
</I>><i>
</I>><i> I'm not sure I like to enable it by default as it also makes it a pain
</I>><i> to compare 2 dmesgs as you cant do a simple diff anymore.
</I>><i>
</I>><i> Whats more, it can be enabled dynamically when really needed by adding
</I>><i> "printk.time=1" to the kernel command line.
</I>><i>
</I>><i> I used to have it enabled in kernel-tmb during
</I>
(sigh, pressed send by mistake)
I used to have it enabled in kernel-tmb during some debugging, but
disabled it again when I remembered it can be enabled dynamically.
--
Thomas
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