</variablelist>
</refsect1>
+ <refsect1>
+ <title>Files</title>
+
+ <variablelist>
+ <varlistentry>
+ <term><filename>/var/log/systemd/tpm2-measure.log</filename></term>
+
+ <listitem><para>Measurements are logged into an event log file maintained in
+ <filename>/var/log/systemd/tpm2-measure.log</filename>, which contains a <ulink
+ url="https://www.rfc-editor.org/rfc/rfc7464.html">JSON-SEQ</ulink> series of objects that follow the
+ general structure of the <ulink
+ url="https://trustedcomputinggroup.org/resource/canonical-event-log-format/">TCG Common Event Log
+ Format (CEL-JSON)</ulink> event objects (but lack the <literal>recnum</literal>
+ field).</para>
+
+ <para>A <constant>LOCK_EX</constant> BSD file lock (<citerefentry
+ project='man-pages'><refentrytitle>flock</refentrytitle><manvolnum>2</manvolnum></citerefentry>) on
+ the log file is acquired while the measurement is made and the file is updated. Thus, applications
+ that intend to acquire a consistent quote from the TPM with the associated snapshot of the event log
+ should acquire a <constant>LOCK_SH</constant> lock while doing so.</para></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
<refsect1>
<title>See Also</title>
<para>