--- /dev/null
+`ctf` plugin
+~~~~~~~~~~~~
+`BABELTRACE_PLUGIN_CTF_BTR_LOG_LEVEL`::
+ Binary type reader's log level. The available values are the same as
+ for the manopt:babeltrace(1):--log-level option of
+ man:babeltrace(1).
+
+`BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL`::
+ Metadata decoder's log level. The available values are the same as
+ for the manopt:babeltrace(1):--log-level option of
+ man:babeltrace(1).
+
+`BABELTRACE_PLUGIN_CTF_NOTIF_ITER_LOG_LEVEL`::
+ Notification iterator's log level. The available values are the same
+ as for the manopt:babeltrace(1):--log-level option of
+ man:babeltrace(1).