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man/systemd-readahead-replay.service.xml
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                <para><filename>systemd-readahead-collect.service</filename></para>
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                <para><filename>systemd-readahead-done.service</filename></para>
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                <para><filename>systemd-readahead-done.timer</filename></para>
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                <para><filename>/usr/lib/systemd/systemd-readahead</filename></para>
 
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                <cmdsynopsis>
 
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                        <command>/usr/lib/systemd/systemd-readahead/systemd-readahead</command>
 
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                        <arg choice="opt" rep="repeat">OPTIONS</arg>
 
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                        <arg choice="plain">COMMAND</arg>
 
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                        <arg choice="opt">DIRECTORY | FILE</arg>
 
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                </cmdsynopsis>
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        </refsynopsisdiv>
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        <refsect1>
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        </refsect1>
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        <refsect1>
 
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                <title>Options</title>
 
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                <para><filename>systemd-readahead</filename> understands
 
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                the following options:</para>
 
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                <variablelist>
 
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                        <varlistentry>
 
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                                <term><option>-h</option></term>
 
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                                <term><option>--help</option></term>
 
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                                <listitem><para>Prints a short help text
 
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                                and exits.</para></listitem>
 
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                        </varlistentry>
 
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                        <varlistentry>
 
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                                <term><option>--max-files=</option></term>
 
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                                <listitem><para>Maximum number of
 
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                                files to read ahead. Only valid
 
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                                for thes <command>collect</command>
 
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                                command.</para></listitem>
 
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                        </varlistentry>
 
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                        <varlistentry>
 
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                                <term><option>--file-size-max=</option></term>
 
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                                <listitem><para>Maximum size of files
 
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                                (in bytes) to read ahead. Only valid
 
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                                for the <command>collect</command>
 
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                                and <command>replay</command>
 
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                                commands.</para></listitem>
 
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                        </varlistentry>
 
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                        <varlistentry>
 
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                                <term><option>--timeout=</option></term>
 
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                                <listitem><para>Maximum time (in usec)
 
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                                to to spend collecting data. Only valid
 
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                                for the <command>collect</command>
 
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                                command.</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>Commands</title>
 
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                <para>The following commands are understood by
 
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                <filename>systemd-readahead</filename>:</para> <variablelist>
 
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                        <varlistentry>
 
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                                <term><command>collect
 
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                                [<replaceable>DIRECTORY</replaceable>]</command></term>
 
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                                <listitem>
 
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                                        <para>Collect read-ahead data on
 
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                                        early boot. When terminating it will
 
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                                        write out a pack file to the indicated
 
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                                        directory containing the read-ahead
 
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                                        data. </para>
 
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                                </listitem>
 
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                        </varlistentry>
 
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                        <varlistentry>
 
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                                <term><command>replay
 
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                                [<replaceable>DIRECTORY</replaceable>]</command></term>
 
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                                <listitem>
 
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                                        <para>Perform read-ahead on the
 
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                                        specified directory tree.</para>
 
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                                </listitem>
 
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                        </varlistentry>
 
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                        <varlistentry>
 
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                                <term><command>analyze
 
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                                [<replaceable>FILE</replaceable>]</command></term>
 
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                                <listitem>
 
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                                        <para>Dumps the content of the
 
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                                        read-ahead pack file to the
 
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                                        terminal. The output lists
 
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                                        approximately for each file
 
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                                        how much will be read-ahead by
 
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                                        the <command>replay</command>
 
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                                        command.</para>
 
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                                </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>See Also</title>
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                <para>
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                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>