X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=probes%2Flttng-events.h;h=680f466f9a2b40531e3214ef551d7296bf024ba1;hb=a26a7e4f2376619bb63519d089caeaf59af4a6b2;hp=96062042d038ab4303fd9f2b71fce4401ea33e42;hpb=84da520620463b0168a5ecc750adc5332d857c9c;p=lttng-modules.git

diff --git a/probes/lttng-events.h b/probes/lttng-events.h
index 96062042..680f466f 100644
--- a/probes/lttng-events.h
+++ b/probes/lttng-events.h
@@ -327,6 +327,7 @@ static void __event_probe__##_name(void *__data);
 static const struct lttng_event_desc __event_desc___##_map = {		\
 	.fields = __event_fields___##_template,		     		\
 	.name = #_map,					     		\
+	.kname = #_name,				     		\
 	.probe_callback = (void *) TP_PROBE_CB(_template),   		\
 	.nr_fields = ARRAY_SIZE(__event_fields___##_template),		\
 	.owner = THIS_MODULE,				     		\
@@ -744,6 +745,11 @@ __assign_##dest##_3:							\
 #define _TP_SESSION_CHECK(session, csession)	1
 #endif /* TP_SESSION_CHECK */
 
+/*
+ * __dynamic_len array length is twice the number of fields due to
+ * __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2(), which are the
+ * worse case, needing 2 entries per field.
+ */
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(_name, _proto, _args, _tstruct, _assign, _print)  \
 static void __event_probe__##_name(void *__data, _proto)		      \
@@ -753,7 +759,7 @@ static void __event_probe__##_name(void *__data, _proto)		      \
 	struct lib_ring_buffer_ctx __ctx;				      \
 	size_t __event_len, __event_align;				      \
 	size_t __dynamic_len_idx = 0;					      \
-	size_t __dynamic_len[ARRAY_SIZE(__event_fields___##_name)];	      \
+	size_t __dynamic_len[2 * ARRAY_SIZE(__event_fields___##_name)];	      \
 	struct __event_typemap__##_name __typemap;			      \
 	int __ret;							      \
 									      \