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6b76fa6619
Use proper (or at least more proper) docbook tags for various fields. This should help with automatic parsing of the documentation.
218 lines
8.5 KiB
XML
218 lines
8.5 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2012 Zbigniew Jędrzejewski-Szmek
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="systemd-coredumpctl">
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<refentryinfo>
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<title>systemd-coredumpctl</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Zbigniew</firstname>
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<surname>Jędrzejewski-Szmek</surname>
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<email>zbyszek@in.waw.pl</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-coredumpctl</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-coredumpctl</refname>
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<refpurpose>Retrieve coredumps from the journal</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>systemd-coredumpctl</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="req">COMMAND</arg>
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<arg choice="opt" rep="repeat">PID|COMM|EXE|MATCH</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>systemd-coredumpctl</command> may be used to
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retrieve coredumps from
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<citerefentry><refentrytitle>systemd-journald</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>The following options are understood:</para>
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<variablelist>
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<varlistentry>
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<term><option>--help</option></term>
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<term><option>-h</option></term>
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<listitem><para>Print a short help
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text and exit.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--version</option></term>
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<listitem><para>Print a short version
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string and exit.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--field=</option></term>
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<term><option>-F</option></term>
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<listitem><para>Print all possible
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data values the specified field
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takes in matching coredump entries of the
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journal.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--output=FILE</option></term>
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<term><option>-o FILE</option></term>
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<listitem><para>Write the core to
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<option>FILE</option>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--no-pager</option></term>
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<listitem><para>Do not pipe output of
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<command>list</command> into a
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pager.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--no-legend</option></term>
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<listitem><para>Do not print the column headers.
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</para></listitem>
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</varlistentry>
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</variablelist>
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<para>The following commands are understood:</para>
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<variablelist>
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<varlistentry>
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<term><command>list</command></term>
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<listitem><para>List coredumps captured in the journal
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matching specified characteristics.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>dump</command></term>
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<listitem><para>Extract the last coredump
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matching specified characteristics.
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Coredump will be written on stdout, unless
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an output file is specified with
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<option>-o/--output</option>.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>gdb</command></term>
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<listitem><para>Invoke the GNU
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debugger on the last coredump matching
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specified characteristics.
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</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Matching</title>
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<para>Match can be:</para>
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<variablelist>
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<varlistentry>
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<term><replaceable>PID</replaceable></term>
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<listitem><para>Process ID of the
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process that dumped
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core. An integer.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable>COMM</replaceable></term>
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<listitem><para>Name of the executable
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(matches <option>COREDUMP_COMM=</option>).
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Must not contain slashes.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable>EXE</replaceable></term>
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<listitem><para>Path to the executable
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(matches <option>COREDUMP_EXE=</option>).
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Must contain at least one slash.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable>MATCH</replaceable></term>
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<listitem><para>General journalctl predicates
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(see <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>).
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Must contain an equals sign.
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</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>On success 0 is returned, a non-zero failure
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code otherwise. Not finding any matching coredumps is treated
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as failure.
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</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>gdb</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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