[bootlin/training-materials updates] master: Embedded Linux: elaborate on the usefulness of /dev/kmsg (7c234604)
Thomas Petazzoni
thomas.petazzoni at bootlin.com
Fri Oct 29 10:46:40 CEST 2021
Repository : https://github.com/bootlin/training-materials
On branch : master
Link : https://github.com/bootlin/training-materials/commit/7c234604190508e468976b5a19521277b01f257c
>---------------------------------------------------------------
commit 7c234604190508e468976b5a19521277b01f257c
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date: Mon Jul 19 20:25:48 2021 +0200
Embedded Linux: elaborate on the usefulness of /dev/kmsg
Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>
>---------------------------------------------------------------
7c234604190508e468976b5a19521277b01f257c
slides/sysdev-linux-intro-modules/sysdev-linux-intro-modules.tex | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/slides/sysdev-linux-intro-modules/sysdev-linux-intro-modules.tex b/slides/sysdev-linux-intro-modules/sysdev-linux-intro-modules.tex
index b254b44c..36c0f489 100644
--- a/slides/sysdev-linux-intro-modules/sysdev-linux-intro-modules.tex
+++ b/slides/sysdev-linux-intro-modules/sysdev-linux-intro-modules.tex
@@ -52,7 +52,9 @@
or completely disabled with the
\code{quiet} parameter). Example:\\
\code{console=ttyS0 root=/dev/mmcblk0p2 loglevel=5}
- \item Note that you can write to the kernel log from user space too:\\
+ \item Note that you can write to the kernel log from user space too.
+ That's useful when your device's serial console is being monitored
+ for critical messages:
\code{echo "<n>Debug info" > /dev/kmsg}
\end{itemize}
\end{frame}
More information about the training-materials-updates
mailing list