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>
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@ -160,8 +160,8 @@ usercrash
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The ``usercrash`` is a tool to get the crash info of the crashing process in
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userspace. It works in Client/Server model. Server is autostarted, and client is
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configured in ``core_pattern``, which will be triggered once crash occurs in
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userspace.
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configured in ``core_pattern`` or ``coredump-wrapper``, which will be
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triggered once crash occurs in userspace.
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For more detail on ``usercrash``, please refer :ref:`usercrash_doc`.
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.. _`telemetrics-client`: https://github.com/clearlinux/telemetrics-client
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@ -5,7 +5,12 @@
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#
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# modify the core_pattern
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echo "|/usr/bin/usercrash_c %p %e %s" > /proc/sys/kernel/core_pattern
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core_pattern_conf="/proc/sys/kernel/core_pattern"
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grep -q "coredump-wrapper" $core_pattern_conf
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if [ "$?" -ne "0" ] then
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echo "|/usr/bin/usercrash_c %p %e %s" > $core_pattern_conf
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fi
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default_conf="/usr/share/defaults/telemetrics/telemetrics.conf"
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user_conf="/etc/telemetrics/telemetrics.conf"
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@ -54,8 +54,11 @@ Usage
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*****
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- The server is launched automatically at boot, and the client is configured in
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``core_pattern``. The content of ``core_pattern`` is configured as
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``usercrash_c`` while booting up:
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``core_pattern`` or ``coredump-wrapper``. In ``prepare.service``, it will
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check the content of ``/proc/sys/kernel/core_pattern``. If there is
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``coredump-wrapper``, which means that ``core_pattern`` has been set in
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``systemd``, no need to do it again. Otherwise, the content should be
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changed by:
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.. code-block:: none
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