Update ring buffer and pretty print

[lttng-modules.git] / instrumentation / events / lttng-module / lttng.h

diff --git a/instrumentation/events/lttng-module/lttng.h b/instrumentation/events/lttng-module/lttng.h
index 2d40188a644199a7fa1e5105da2faba7d1aca82d..4cc14fc58a5dcb2902f0c7bc94c66fabd3233534 100644 (file)
--- a/instrumentation/events/lttng-module/lttng.h
+++ b/instrumentation/events/lttng-module/lttng.h
@@ -12,6 +12,11 @@ TRACE_EVENT(lttng_metadata,
 
        TP_ARGS(str),
 
+       /*
+        * Not exactly a string: more a sequence of bytes (dynamic
+        * array) without the length. This is a dummy anyway: we only
+        * use this declaration to generate an event metadata entry.
+        */
        TP_STRUCT__entry(
                __string(       str,            str     )
        ),