include binary data. Primarily, fields are formatted
UTF-8 text strings, and binary formatting is used only
where formatting as UTF-8 text strings makes little
sense. New fields may freely be defined by
applications, but a few fields have special
meaning. All fields with special meanings are
include binary data. Primarily, fields are formatted
UTF-8 text strings, and binary formatting is used only
where formatting as UTF-8 text strings makes little
sense. New fields may freely be defined by
applications, but a few fields have special
meaning. All fields with special meanings are
(formatted as decimal string),
the identifier string
(i.e. "tag"), and the client
(formatted as decimal string),
the identifier string
(i.e. "tag"), and the client
+ PID. (Note that the tag is
+ usually derived from glibc's
+ <varname>program_invocation_short_name</varname>
+ variable, see <citerefentry><refentrytitle>program_invocation_short_name</refentrytitle><manvolnum>3</manvolnum></citerefentry>.)</para>
<term><varname>_CMDLINE=</varname></term>
<listitem>
<para>The name, the executable
<term><varname>_CMDLINE=</varname></term>
<listitem>
<para>The name, the executable
the major and minor of the
device node, separated by <literal>:</literal>
and prefixed by <literal>b</literal>. Similar
the major and minor of the
device node, separated by <literal>:</literal>
and prefixed by <literal>b</literal>. Similar
- devices <literal>+</literal> followed by the
- subsystem name, followed by
+ devices, this is the subsystem name
+ prefixed by <literal>+</literal>, followed by
JSON Format</ulink>, the addresses of journal entries
are serialized into fields prefixed with double
underscores. Note that these are not proper fields when
JSON Format</ulink>, the addresses of journal entries
are serialized into fields prefixed with double
underscores. Note that these are not proper fields when
entries. They cannot be written as part of structured
log entries via calls such as
<citerefentry><refentrytitle>sd_journal_send</refentrytitle><manvolnum>3</manvolnum></citerefentry>. They
entries. They cannot be written as part of structured
log entries via calls such as
<citerefentry><refentrytitle>sd_journal_send</refentrytitle><manvolnum>3</manvolnum></citerefentry>. They