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<?xml version='1.0'?>
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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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2007-11-09 00:51:59 +08:00
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2017-11-19 00:52:56 +08:00
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<!--
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SPDX-License-Identifier: LGPL-2.1+
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-->
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2017-12-05 21:47:18 +08:00
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<refentry id="udevadm"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>udevadm</title>
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2012-04-04 20:42:32 +08:00
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<productname>systemd</productname>
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</refentryinfo>
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2007-11-09 00:51:59 +08:00
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<refmeta>
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<refentrytitle>udevadm</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>udevadm</refname><refpurpose>udev management tool</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>udevadm</command>
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<arg><option>--debug</option></arg>
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<arg><option>--version</option></arg>
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<arg><option>--help</option></arg>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>udevadm info <optional>options</optional> <optional>devpath</optional></command>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>udevadm trigger <optional>options</optional> <optional>devpath</optional></command>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>udevadm settle <optional>options</optional></command>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>udevadm control <replaceable>option</replaceable></command>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>udevadm monitor <optional>options</optional></command>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>udevadm test <optional>options</optional> <replaceable>devpath</replaceable></command>
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</cmdsynopsis>
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2011-08-05 08:00:30 +08:00
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<cmdsynopsis>
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<command>udevadm test-builtin <optional>options</optional> <replaceable>command</replaceable> <replaceable>devpath</replaceable></command>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1><title>Description</title>
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<para><command>udevadm</command> expects a command and command
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specific options. It controls the runtime behavior of
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<command>systemd-udevd</command>, requests kernel events, manages
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the event queue, and provides simple debugging mechanisms.</para>
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</refsect1>
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2014-11-26 09:32:03 +08:00
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<refsect1><title>Options</title>
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<variablelist>
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<varlistentry>
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<term><option>-d</option></term>
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<term><option>--debug</option></term>
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<listitem>
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<para>Print debug messages to standard error. This option is implied in <command>udevadm test</command> and
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<command>udevadm test-builtin</command> commands.</para>
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</listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="help" />
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</variablelist>
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2014-11-26 09:32:03 +08:00
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<refsect2><title>udevadm info
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<arg choice="opt"><replaceable>options</replaceable></arg>
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<arg choice="opt" rep="repeat"><replaceable>devpath</replaceable>|<replaceable>file</replaceable>|<replaceable>unit</replaceable></arg>
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</title>
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<para>Query the udev database for device information.</para>
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<para>Positional arguments should be used to specify one or more devices. Each one may be a device name
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(in which case it must start with <filename>/dev/</filename>), a sys path (in which case it must start
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with <filename>/sys/</filename>), or a systemd device unit name (in which case it must end with
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<literal>.device</literal>, see
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<citerefentry><refentrytitle>systemd.device</refentrytitle><manvolnum>5</manvolnum></citerefentry>).
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</para>
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<variablelist>
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<varlistentry>
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<term><option>-q</option></term>
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<term><option>--query=<replaceable>TYPE</replaceable></option></term>
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<listitem>
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<para>Query the database for the specified type of device data.
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Valid <replaceable>TYPE</replaceable>s are:
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<constant>name</constant>, <constant>symlink</constant>,
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<constant>path</constant>, <constant>property</constant>,
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<constant>all</constant>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-p</option></term>
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<term><option>--path=<replaceable>DEVPATH</replaceable></option></term>
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<listitem>
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<para>The <filename>/sys</filename> path of the device to query, e.g.
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<filename><optional>/sys</optional>/class/block/sda</filename>. This option is an alternative to
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the positional argument with a <filename>/sys/</filename> prefix. <command>udevadm info
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--path=/class/block/sda</command> is equivalent to <command>udevadm info
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/sys/class/block/sda</command>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-n</option></term>
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<term><option>--name=<replaceable>FILE</replaceable></option></term>
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<listitem>
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<para>The name of the device node or a symlink to query,
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e.g. <filename><optional>/dev</optional>/sda</filename>. This option is an alternative to the
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positional argument with a <filename>/dev/</filename> prefix. <command>udevadm info
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--name=sda</command> is equivalent to <command>udevadm info /dev/sda</command>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-r</option></term>
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<term><option>--root</option></term>
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<listitem>
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<para>Print absolute paths in <command>name</command> or <command>symlink</command>
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query.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-a</option></term>
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<term><option>--attribute-walk</option></term>
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<listitem>
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<para>Print all sysfs properties of the specified device that can be used
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in udev rules to match the specified device. It prints all devices
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along the chain, up to the root of sysfs that can be used in udev rules.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-x</option></term>
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<term><option>--export</option></term>
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<listitem>
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<para>Print output as key/value pairs. Values are enclosed in single quotes.
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This takes effects only when <option>--query=property</option> or
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<option>--device-id-of-file=<replaceable>FILE</replaceable></option> is specified.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-P</option></term>
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<term><option>--export-prefix=<replaceable>NAME</replaceable></option></term>
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<listitem>
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<para>Add a prefix to the key name of exported values.
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This implies <option>--export</option>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-d</option></term>
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<term><option>--device-id-of-file=<replaceable>FILE</replaceable></option></term>
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<listitem>
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<para>Print major/minor numbers of the underlying device, where the file lives on.
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If this is specified, all positional arguments are ignored.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-e</option></term>
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<term><option>--export-db</option></term>
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<listitem>
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<para>Export the content of the udev database.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-c</option></term>
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<term><option>--cleanup-db</option></term>
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<listitem>
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<para>Cleanup the udev database.</para>
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</listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="help" />
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</variablelist>
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</refsect2>
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2014-11-26 09:32:03 +08:00
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<refsect2><title>udevadm trigger
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<arg choice="opt"><replaceable>options</replaceable></arg>
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<arg choice="opt" rep="repeat"><replaceable>devpath</replaceable>|<replaceable>file</replaceable>|<replaceable>unit</replaceable></arg>
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</title>
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<para>Request device events from the kernel. Primarily used to replay events at system coldplug time.</para>
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<para>Takes one or more device specifications as arguments. See the description of <command>info</command>
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above.</para>
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<variablelist>
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<varlistentry>
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<term><option>-v</option></term>
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<term><option>--verbose</option></term>
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<listitem>
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<para>Print the list of devices which will be triggered.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-n</option></term>
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<term><option>--dry-run</option></term>
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<listitem>
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<para>Do not actually trigger the event.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-t</option></term>
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<term><option>--type=<replaceable>TYPE</replaceable></option></term>
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<listitem>
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<para>Trigger a specific type of devices. Valid types are:
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<command>devices</command>, <command>subsystems</command>.
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The default value is <command>devices</command>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-c</option></term>
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<term><option>--action=<replaceable>ACTION</replaceable></option></term>
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<listitem>
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<para>Type of event to be triggered. The default value is
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<command>change</command>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-s</option></term>
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<term><option>--subsystem-match=<replaceable>SUBSYSTEM</replaceable></option></term>
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<listitem>
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<para>Trigger events for devices which belong to a
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matching subsystem. This option can be specified multiple
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times and supports shell style pattern matching.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-S</option></term>
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<term><option>--subsystem-nomatch=<replaceable>SUBSYSTEM</replaceable></option></term>
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<listitem>
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<para>Do not trigger events for devices which belong to a matching subsystem. This option
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can be specified multiple times and supports shell style pattern matching.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-a</option></term>
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<term><option>--attr-match=<replaceable>ATTRIBUTE</replaceable>=<replaceable>VALUE</replaceable></option></term>
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<listitem>
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<para>Trigger events for devices with a matching sysfs
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attribute. If a value is specified along with the
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attribute name, the content of the attribute is matched
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against the given value using shell style pattern
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matching. If no value is specified, the existence of the
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sysfs attribute is checked. This option can be specified
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multiple times.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-A</option></term>
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<term><option>--attr-nomatch=<replaceable>ATTRIBUTE</replaceable>=<replaceable>VALUE</replaceable></option></term>
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<listitem>
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2013-12-18 10:48:14 +08:00
|
|
|
<para>Do not trigger events for devices with a matching
|
|
|
|
sysfs attribute. If a value is specified along with the
|
|
|
|
attribute name, the content of the attribute is matched
|
|
|
|
against the given value using shell style pattern
|
|
|
|
matching. If no value is specified, the existence of the
|
|
|
|
sysfs attribute is checked. This option can be specified
|
|
|
|
multiple times.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-p</option></term>
|
|
|
|
<term><option>--property-match=<replaceable>PROPERTY</replaceable>=<replaceable>VALUE</replaceable></option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<listitem>
|
2013-12-18 10:48:14 +08:00
|
|
|
<para>Trigger events for devices with a matching property
|
|
|
|
value. This option can be specified multiple times and
|
|
|
|
supports shell style pattern matching.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-g</option></term>
|
|
|
|
<term><option>--tag-match=<replaceable>PROPERTY</replaceable></option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<listitem>
|
2013-12-18 10:48:14 +08:00
|
|
|
<para>Trigger events for devices with a matching tag. This
|
|
|
|
option can be specified multiple times.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-y</option></term>
|
2014-11-26 09:32:03 +08:00
|
|
|
<term><option>--sysname-match=<replaceable>PATH</replaceable></option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<listitem>
|
2018-05-22 22:01:21 +08:00
|
|
|
<para>Trigger events for devices for which the last component
|
|
|
|
(i.e. the filename) of the <filename>/sys</filename> path matches
|
|
|
|
the specified <replaceable>PATH</replaceable>. This option can be
|
|
|
|
specified multiple times and also supports shell style pattern
|
|
|
|
matching.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
2014-11-26 09:32:03 +08:00
|
|
|
<varlistentry>
|
|
|
|
<term><option>--name-match=<replaceable>NAME</replaceable></option></term>
|
|
|
|
<listitem>
|
|
|
|
<para>Trigger events for devices with a matching
|
2014-08-03 13:11:37 +08:00
|
|
|
device path. This option can be specified multiple
|
2014-11-26 09:32:03 +08:00
|
|
|
times.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
2011-07-08 06:42:35 +08:00
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-b</option></term>
|
|
|
|
<term><option>--parent-match=<replaceable>SYSPATH</replaceable></option></term>
|
2011-07-08 06:42:35 +08:00
|
|
|
<listitem>
|
2013-12-18 10:48:14 +08:00
|
|
|
<para>Trigger events for all children of a given
|
|
|
|
device.</para>
|
|
|
|
</listitem>
|
2018-02-01 17:33:13 +08:00
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
|
|
<term><option>-w</option></term>
|
|
|
|
<term><option>--settle</option></term>
|
|
|
|
<listitem>
|
|
|
|
<para>Apart from triggering events, also waits for those events to
|
|
|
|
finish. Note that this is different from calling <command>udevadm
|
|
|
|
settle</command>. <command>udevadm settle</command> waits for all
|
|
|
|
events to finish. This option only waits for events triggered by
|
|
|
|
the same command to finish.</para>
|
|
|
|
</listitem>
|
2013-12-18 10:48:14 +08:00
|
|
|
</varlistentry>
|
2019-01-13 07:10:12 +08:00
|
|
|
<varlistentry>
|
|
|
|
<term><option>--wait-daemon[=<replaceable>SECONDS</replaceable>]</option></term>
|
|
|
|
<listitem>
|
|
|
|
<para>Before triggering uevents, wait for systemd-udevd daemon to be initialized.
|
|
|
|
Optionally takes timeout value. Default timeout is 5 seconds. This is equivalent to invoke
|
|
|
|
invoking <command>udevadm control --ping</command> before <command>udevadm trigger</command>.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
2017-12-05 21:47:18 +08:00
|
|
|
|
|
|
|
<xi:include href="standard-options.xml" xpointer="help" />
|
2010-05-24 23:00:15 +08:00
|
|
|
</variablelist>
|
2014-11-26 09:32:03 +08:00
|
|
|
|
2014-08-03 13:11:12 +08:00
|
|
|
<para>In addition, optional positional arguments can be used
|
2014-11-26 09:32:03 +08:00
|
|
|
to specify device names or sys paths. They must start with
|
|
|
|
<filename>/dev</filename> or <filename>/sys</filename>
|
|
|
|
respectively.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</refsect2>
|
2007-11-09 00:51:59 +08:00
|
|
|
|
2014-11-26 09:32:03 +08:00
|
|
|
<refsect2><title>udevadm settle
|
|
|
|
<arg choice="opt"><replaceable>options</replaceable></arg>
|
|
|
|
</title>
|
2010-05-24 23:00:15 +08:00
|
|
|
<para>Watches the udev event queue, and exits if all current events are handled.</para>
|
|
|
|
<variablelist>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-t</option></term>
|
|
|
|
<term><option>--timeout=<replaceable>SECONDS</replaceable></option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<listitem>
|
2013-12-18 10:48:14 +08:00
|
|
|
<para>Maximum number of seconds to wait for the event
|
|
|
|
queue to become empty. The default value is 120 seconds. A
|
|
|
|
value of 0 will check if the queue is empty and always
|
|
|
|
return immediately.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-E</option></term>
|
|
|
|
<term><option>--exit-if-exists=<replaceable>FILE</replaceable></option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<listitem>
|
|
|
|
<para>Stop waiting if file exists.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
2017-12-05 21:47:18 +08:00
|
|
|
|
|
|
|
<xi:include href="standard-options.xml" xpointer="help" />
|
2010-05-24 23:00:15 +08:00
|
|
|
</variablelist>
|
|
|
|
</refsect2>
|
2007-11-09 00:51:59 +08:00
|
|
|
|
2017-12-05 21:47:18 +08:00
|
|
|
<refsect2><title>udevadm control <replaceable>option</replaceable></title>
|
2010-05-24 23:00:15 +08:00
|
|
|
<para>Modify the internal state of the running udev daemon.</para>
|
|
|
|
<variablelist>
|
2011-04-13 07:17:09 +08:00
|
|
|
<varlistentry>
|
2016-06-15 05:11:46 +08:00
|
|
|
<term><option>-e</option></term>
|
2011-04-13 07:17:09 +08:00
|
|
|
<term><option>--exit</option></term>
|
|
|
|
<listitem>
|
2019-01-17 06:25:14 +08:00
|
|
|
<para>Signal and wait for systemd-udevd to exit. Note that <filename>systemd-udevd.service</filename>
|
|
|
|
contains <option>Restart=always</option> and so as a result, this option restarts systemd-udevd.
|
|
|
|
If you want to stop <filename>systemd-udevd.service</filename>, please use the following:
|
|
|
|
<programlisting>systemctl stop systemd-udevd-control.socket systemd-udevd-kernel.socket systemd-udevd.service</programlisting>
|
|
|
|
</para>
|
2011-04-13 07:17:09 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
2010-05-24 23:00:15 +08:00
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-l</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<term><option>--log-priority=<replaceable>value</replaceable></option></term>
|
|
|
|
<listitem>
|
2014-11-02 02:36:29 +08:00
|
|
|
<para>Set the internal log level of
|
|
|
|
<filename>systemd-udevd</filename>. Valid values are the
|
|
|
|
numerical syslog priorities or their textual
|
|
|
|
representations: <option>emerg</option>,
|
|
|
|
<option>alert</option>, <option>crit</option>,
|
|
|
|
<option>err</option>, <option>warning</option>,
|
|
|
|
<option>notice</option>, <option>info</option>, and
|
|
|
|
<option>debug</option>.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-s</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<term><option>--stop-exec-queue</option></term>
|
|
|
|
<listitem>
|
2012-04-17 05:32:22 +08:00
|
|
|
<para>Signal systemd-udevd to stop executing new events. Incoming events
|
2010-05-24 23:00:15 +08:00
|
|
|
will be queued.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-S</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<term><option>--start-exec-queue</option></term>
|
|
|
|
<listitem>
|
2012-04-17 05:32:22 +08:00
|
|
|
<para>Signal systemd-udevd to enable the execution of events.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-R</option></term>
|
2011-12-25 23:37:15 +08:00
|
|
|
<term><option>--reload</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<listitem>
|
2012-04-17 05:32:22 +08:00
|
|
|
<para>Signal systemd-udevd to reload the rules files and other databases like the kernel
|
2011-12-25 23:37:15 +08:00
|
|
|
module index. Reloading rules and databases does not apply any changes to already
|
|
|
|
existing devices; the new configuration will only be applied to new events.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-p</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<term><option>--property=<replaceable>KEY</replaceable>=<replaceable>value</replaceable></option></term>
|
|
|
|
<listitem>
|
|
|
|
<para>Set a global property for all events.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-m</option></term>
|
2010-05-27 23:27:56 +08:00
|
|
|
<term><option>--children-max=</option><replaceable>value</replaceable></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<listitem>
|
2012-04-17 05:32:22 +08:00
|
|
|
<para>Set the maximum number of events, systemd-udevd will handle at the
|
2010-05-24 23:00:15 +08:00
|
|
|
same time.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
2019-01-13 06:44:38 +08:00
|
|
|
<varlistentry>
|
|
|
|
<term><option>--ping</option></term>
|
|
|
|
<listitem>
|
|
|
|
<para>Send a ping message to systemd-udevd and wait for the reply. This may be useful to check that
|
|
|
|
systemd-udevd daemon is running.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
2011-04-13 07:17:09 +08:00
|
|
|
<varlistentry>
|
2017-12-05 21:47:18 +08:00
|
|
|
<term><option>-t</option></term>
|
2011-04-13 07:17:09 +08:00
|
|
|
<term><option>--timeout=</option><replaceable>seconds</replaceable></term>
|
|
|
|
<listitem>
|
2012-10-16 01:38:21 +08:00
|
|
|
<para>The maximum number of seconds to wait for a reply from systemd-udevd.</para>
|
2011-04-13 07:17:09 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
2017-12-05 21:47:18 +08:00
|
|
|
|
|
|
|
<xi:include href="standard-options.xml" xpointer="help" />
|
2010-05-24 23:00:15 +08:00
|
|
|
</variablelist>
|
|
|
|
</refsect2>
|
2007-11-09 00:51:59 +08:00
|
|
|
|
2014-11-26 09:32:03 +08:00
|
|
|
<refsect2><title>udevadm monitor
|
|
|
|
<arg choice="opt"><replaceable>options</replaceable></arg>
|
|
|
|
</title>
|
2010-05-24 23:00:15 +08:00
|
|
|
<para>Listens to the kernel uevents and events sent out by a udev rule
|
|
|
|
and prints the devpath of the event to the console. It can be used to analyze the
|
|
|
|
event timing, by comparing the timestamps of the kernel uevent and the udev event.
|
|
|
|
</para>
|
|
|
|
<variablelist>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-k</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<term><option>--kernel</option></term>
|
|
|
|
<listitem>
|
|
|
|
<para>Print the kernel uevents.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-u</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<term><option>--udev</option></term>
|
|
|
|
<listitem>
|
|
|
|
<para>Print the udev event after the rule processing.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-p</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<term><option>--property</option></term>
|
|
|
|
<listitem>
|
|
|
|
<para>Also print the properties of the event.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-s</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<term><option>--subsystem-match=<replaceable>string[/string]</replaceable></option></term>
|
|
|
|
<listitem>
|
2017-04-24 22:56:40 +08:00
|
|
|
<para>Filter kernel uevents and udev events by subsystem[/devtype]. Only events with a matching subsystem value will pass.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-t</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<term><option>--tag-match=<replaceable>string</replaceable></option></term>
|
|
|
|
<listitem>
|
2017-04-24 22:56:40 +08:00
|
|
|
<para>Filter udev events by tag. Only udev events with a given tag attached will pass.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
2017-12-05 21:47:18 +08:00
|
|
|
|
|
|
|
<xi:include href="standard-options.xml" xpointer="help" />
|
2010-05-24 23:00:15 +08:00
|
|
|
</variablelist>
|
|
|
|
</refsect2>
|
2007-11-09 00:51:59 +08:00
|
|
|
|
2014-11-26 09:32:03 +08:00
|
|
|
<refsect2><title>udevadm test
|
|
|
|
<arg choice="opt"><replaceable>options</replaceable></arg>
|
|
|
|
<arg><replaceable>devpath</replaceable></arg>
|
|
|
|
</title>
|
2010-05-24 23:00:15 +08:00
|
|
|
<para>Simulate a udev event run for the given device, and print debug output.</para>
|
|
|
|
<variablelist>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-a</option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<term><option>--action=<replaceable>string</replaceable></option></term>
|
|
|
|
<listitem>
|
|
|
|
<para>The action string.</para>
|
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
2013-12-18 10:48:14 +08:00
|
|
|
<term><option>-N</option></term>
|
2013-10-14 07:43:19 +08:00
|
|
|
<term><option>--resolve-names=<constant>early</constant>|<constant>late</constant>|<constant>never</constant></option></term>
|
2010-05-24 23:00:15 +08:00
|
|
|
<listitem>
|
2013-10-14 07:43:19 +08:00
|
|
|
<para>Specify when udevadm should resolve names of users
|
|
|
|
and groups. When set to <constant>early</constant> (the
|
2013-10-15 14:58:51 +08:00
|
|
|
default), names will be resolved when the rules are
|
|
|
|
parsed. When set to <constant>late</constant>, names will
|
2013-10-14 07:43:19 +08:00
|
|
|
be resolved for every event. When set to
|
2013-10-15 14:58:51 +08:00
|
|
|
<constant>never</constant>, names will never be resolved
|
2013-10-14 07:43:19 +08:00
|
|
|
and all devices will be owned by root.</para>
|
2010-05-24 23:00:15 +08:00
|
|
|
</listitem>
|
|
|
|
</varlistentry>
|
2017-12-05 21:47:18 +08:00
|
|
|
|
|
|
|
<xi:include href="standard-options.xml" xpointer="help" />
|
2010-05-24 23:00:15 +08:00
|
|
|
</variablelist>
|
|
|
|
</refsect2>
|
2011-08-05 08:00:30 +08:00
|
|
|
|
2014-11-26 09:32:03 +08:00
|
|
|
<refsect2><title>udevadm test-builtin
|
|
|
|
<arg choice="opt"><replaceable>options</replaceable></arg>
|
|
|
|
<arg><replaceable>command</replaceable></arg>
|
|
|
|
<arg><replaceable>devpath</replaceable></arg>
|
|
|
|
</title>
|
2013-12-18 10:48:14 +08:00
|
|
|
<para>Run a built-in command <replaceable>COMMAND</replaceable>
|
|
|
|
for device <replaceable>DEVPATH</replaceable>, and print debug
|
|
|
|
output.</para>
|
2011-08-05 08:00:30 +08:00
|
|
|
<variablelist>
|
2017-12-05 21:47:18 +08:00
|
|
|
<xi:include href="standard-options.xml" xpointer="help" />
|
2011-08-05 08:00:30 +08:00
|
|
|
</variablelist>
|
|
|
|
</refsect2>
|
2010-05-24 23:00:15 +08:00
|
|
|
</refsect1>
|
2007-11-09 00:51:59 +08:00
|
|
|
|
2010-05-24 23:00:15 +08:00
|
|
|
<refsect1>
|
|
|
|
<title>See Also</title>
|
|
|
|
<para><citerefentry>
|
|
|
|
<refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
|
2014-03-07 12:54:13 +08:00
|
|
|
</citerefentry>,
|
2010-05-24 23:00:15 +08:00
|
|
|
<citerefentry>
|
2012-06-22 16:38:40 +08:00
|
|
|
<refentrytitle>systemd-udevd.service</refentrytitle><manvolnum>8</manvolnum>
|
2010-05-24 23:00:15 +08:00
|
|
|
</citerefentry></para>
|
|
|
|
</refsect1>
|
|
|
|
</refentry>
|