From ef886390283131877f20ff9b70776b5f3261f22b Mon Sep 17 00:00:00 2001
From: Anita Zhang <the.anitazha@gmail.com>
Date: Wed, 11 Dec 2019 20:50:10 -0800
Subject: man: document INVOCATION_ID and USER_INVOCATION_ID journal fields

---
 man/systemd.journal-fields.xml | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'man/systemd.journal-fields.xml')

diff --git a/man/systemd.journal-fields.xml b/man/systemd.journal-fields.xml
index 79a9a0671b..9248726b9e 100644
--- a/man/systemd.journal-fields.xml
+++ b/man/systemd.journal-fields.xml
@@ -91,6 +91,16 @@
         </listitem>
       </varlistentry>
 
+      <varlistentry>
+        <term><varname>INVOCATION_ID=</varname></term>
+        <term><varname>USER_INVOCATION_ID=</varname></term>
+        <listitem>
+          <para>A randomized, unique 128-bit ID identifying each runtime cycle of the unit. This is different from
+          <varname>_SYSTEMD_INVOCATION_ID</varname> in that it is only used for messages coming from systemd code
+          (e.g. logs from the system/user manager or from forked processes performing systemd-related setup).</para>
+        </listitem>
+      </varlistentry>
+
       <varlistentry>
         <term><varname>SYSLOG_FACILITY=</varname></term>
         <term><varname>SYSLOG_IDENTIFIER=</varname></term>
-- 
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