X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=probes%2Flttng-events.h;h=a6c36b088dfba22ab12a7cf162c7880087dff578;hb=1de8b2e4c021031e72f0f91c1ac984eb8965079e;hp=0c92c17f0a1ddd98625f23552d5f5ad80a418964;hpb=6b272cda454013fd54203dbf8c2d2a2a5f3a6fce;p=lttng-modules.git

diff --git a/probes/lttng-events.h b/probes/lttng-events.h
index 0c92c17f..a6c36b08 100644
--- a/probes/lttng-events.h
+++ b/probes/lttng-events.h
@@ -27,6 +27,7 @@
 #include "lttng-probe-user.h"
 #include "../wrapper/vmalloc.h"	/* for wrapper_vmalloc_sync_all() */
 #include "../wrapper/ringbuffer/frontend_types.h"
+#include "../wrapper/rcu.h"
 #include "../lttng-events.h"
 #include "../lttng-tracer-core.h"
 
@@ -134,7 +135,41 @@ void trace_##_name(_proto);
 
 #undef LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP_NOARGS
 #define LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP_NOARGS(_template, _name, _map) \
-void trace_##_name(void *__data);
+void trace_##_name(void);
+
+#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+
+/*
+ * Stage 1.1 of the trace events.
+ *
+ * Create dummy trace prototypes for each event class, and for each used
+ * template. This will allow checking whether the prototypes from the
+ * class and the instance using the class actually match.
+ */
+
+#include "lttng-events-reset.h"	/* Reset all macros within TRACE_EVENT */
+
+#undef TP_PROTO
+#define TP_PROTO(...)	__VA_ARGS__
+
+#undef TP_ARGS
+#define TP_ARGS(...)	__VA_ARGS__
+
+#undef LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP
+#define LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(_template, _name, _map, _proto, _args) \
+void __event_template_proto___##_template(_proto);
+
+#undef LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP_NOARGS
+#define LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP_NOARGS(_template, _name, _map) \
+void __event_template_proto___##_template(void);
+
+#undef LTTNG_TRACEPOINT_EVENT_CLASS_CODE
+#define LTTNG_TRACEPOINT_EVENT_CLASS_CODE(_name, _proto, _args, _locvar, _code, _fields) \
+void __event_template_proto___##_name(_proto);
+
+#undef LTTNG_TRACEPOINT_EVENT_CLASS_CODE_NOARGS
+#define LTTNG_TRACEPOINT_EVENT_CLASS_CODE_NOARGS(_name, _locvar, _code, _fields) \
+void __event_template_proto___##_name(void);
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
@@ -292,10 +327,10 @@ static void __event_probe__##_name(void *__data);
 #define _ctf_string(_item, _src, _user, _nowrite)			       \
 	if (_user)							       \
 		__event_len += __dynamic_len[__dynamic_len_idx++] =	       \
-			strlen(_src) + 1;				       \
+			max_t(size_t, lttng_strlen_user_inatomic(_src), 1);    \
 	else								       \
 		__event_len += __dynamic_len[__dynamic_len_idx++] =	       \
-			max_t(size_t, lttng_strlen_user_inatomic(_src), 1);
+			strlen(_src) + 1;
 
 #undef TP_PROTO
 #define TP_PROTO(...)	__VA_ARGS__
@@ -694,7 +729,7 @@ static void __event_probe__##_name(void *__data, _proto)		      \
 		return;							      \
 	if (unlikely(!ACCESS_ONCE(__event->enabled)))			      \
 		return;							      \
-	__lpf = rcu_dereference(__session->pid_tracker);		      \
+	__lpf = lttng_rcu_dereference(__session->pid_tracker);		      \
 	if (__lpf && likely(!lttng_pid_tracker_lookup(__lpf, current->pid)))  \
 		return;							      \
 	_code								      \
@@ -704,7 +739,7 @@ static void __event_probe__##_name(void *__data, _proto)		      \
 									      \
 		__event_prepare_filter_stack__##_name(__stackvar.__filter_stack_data, \
 				tp_locvar, _args);				      \
-		list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \
+		lttng_list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \
 			if (unlikely(bc_runtime->filter(bc_runtime,	      \
 					__stackvar.__filter_stack_data) & LTTNG_FILTER_RECORD_FLAG)) \
 				__filter_record = 1;			      \
@@ -753,7 +788,7 @@ static void __event_probe__##_name(void *__data)			      \
 		return;							      \
 	if (unlikely(!ACCESS_ONCE(__event->enabled)))			      \
 		return;							      \
-	__lpf = rcu_dereference(__session->pid_tracker);		      \
+	__lpf = lttng_rcu_dereference(__session->pid_tracker);		      \
 	if (__lpf && likely(!lttng_pid_tracker_lookup(__lpf, current->pid)))  \
 		return;							      \
 	_code								      \
@@ -763,7 +798,7 @@ static void __event_probe__##_name(void *__data)			      \
 									      \
 		__event_prepare_filter_stack__##_name(__stackvar.__filter_stack_data, \
 				tp_locvar);				      \
-		list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \
+		lttng_list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \
 			if (unlikely(bc_runtime->filter(bc_runtime,	      \
 					__stackvar.__filter_stack_data) & LTTNG_FILTER_RECORD_FLAG)) \
 				__filter_record = 1;			      \