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tools: acrn-crashlog: update core_pattern content conditionally 

This patch is to improve the way of updating the core_pattern content
in the shell script, since the previous configuration in core_pattern
will block coredumpctl.
This patch adds an inspection before changing the content of
core_pattern.

Signed-off-by: CHEN Gang <gang.c.chen@intel.com>
Reviewed-by: Zhi Jin <zhi.jin@intel.com>
Reviewed-by: xiaojin2 <xiaojing.liu@intel.com>
Reviewed-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>
Acked-by: Zhang Di <di.zhang@intel.com>
This commit is contained in:
CHEN Gang 2018-08-15 10:32:35 +08:00 committed by David Kinder
parent 8ff0efc5da
commit 4ecbdf06fb
3 changed files with 13 additions and 5 deletions
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4
tools/acrn-crashlog/README.rst
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@ -160,8 +160,8 @@ usercrash
The ``usercrash`` is a tool to get the crash info of the crashing process in The ``usercrash`` is a tool to get the crash info of the crashing process in
userspace. It works in Client/Server model. Server is autostarted, and client is userspace. It works in Client/Server model. Server is autostarted, and client is
configured in ``core_pattern``, which will be triggered once crash occurs in configured in ``core_pattern`` or ``coredump-wrapper``, which will be
userspace. triggered once crash occurs in userspace.
For more detail on ``usercrash``, please refer :ref:`usercrash_doc`. For more detail on ``usercrash``, please refer :ref:`usercrash_doc`.
.. _`telemetrics-client`: https://github.com/clearlinux/telemetrics-client .. _`telemetrics-client`: https://github.com/clearlinux/telemetrics-client

7
tools/acrn-crashlog/data/acrnprobe_prepare.sh
View File

@ -5,7 +5,12 @@
# #
# modify the core_pattern # modify the core_pattern
echo "|/usr/bin/usercrash_c %p %e %s" > /proc/sys/kernel/core_pattern core_pattern_conf="/proc/sys/kernel/core_pattern"
grep -q "coredump-wrapper" $core_pattern_conf
if [ "$?" -ne "0" ] then
echo "|/usr/bin/usercrash_c %p %e %s" > $core_pattern_conf
fi
default_conf="/usr/share/defaults/telemetrics/telemetrics.conf" default_conf="/usr/share/defaults/telemetrics/telemetrics.conf"
user_conf="/etc/telemetrics/telemetrics.conf" user_conf="/etc/telemetrics/telemetrics.conf"

7
tools/acrn-crashlog/usercrash/README.rst
View File

@ -54,8 +54,11 @@ Usage
***** *****
- The server is launched automatically at boot, and the client is configured in - The server is launched automatically at boot, and the client is configured in
``core_pattern``. The content of ``core_pattern`` is configured as ``core_pattern`` or ``coredump-wrapper``. In ``prepare.service``, it will
``usercrash_c`` while booting up: check the content of ``/proc/sys/kernel/core_pattern``. If there is
``coredump-wrapper``, which means that ``core_pattern`` has been set in
``systemd``, no need to do it again. Otherwise, the content should be
changed by:
.. code-block:: none .. code-block:: none