X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Ftrace-ust.h;h=4a818df1a06ab996d6510d0d6e785ac40f20b004;hb=46414153463abe07cd1c4a2a1855a63a60af8aa5;hp=f114628d0849f114e74da1879bfdd75748ce1a1a;hpb=88f06f1562c6ecd3a5666baa93a57273fbe10437;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/trace-ust.h b/src/bin/lttng-sessiond/trace-ust.h
index f114628d0..4a818df1a 100644
--- a/src/bin/lttng-sessiond/trace-ust.h
+++ b/src/bin/lttng-sessiond/trace-ust.h
@@ -53,6 +53,12 @@ struct ltt_ust_event {
 	char *filter_expression;
 	struct lttng_ust_filter_bytecode *filter;
 	struct lttng_event_exclusion *exclusion;
+	/*
+	 * An internal event is an event which was created by the session daemon
+	 * through which, for example, events emitted in Agent domains are
+	 * "funelled". This is used to hide internal events from external
+	 * clients as they should never be modified by the external world.
+	 */
 	bool internal;
 };