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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><option>PID</option></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><option>COMM</option></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><option>EXE</option></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><option>MATCH</option></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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