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hc
2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/kernel/trace/trace_export.c
....@@ -29,10 +29,8 @@
2929  * function and thus become accesible via perf.
3030  */
3131 #undef FTRACE_ENTRY_REG
32
-#define FTRACE_ENTRY_REG(name, struct_name, id, tstruct, print, \
33
-			 filter, regfn) \
34
-	FTRACE_ENTRY(name, struct_name, id, PARAMS(tstruct), PARAMS(print), \
35
-		     filter)
32
+#define FTRACE_ENTRY_REG(name, struct_name, id, tstruct, print, regfn) \
33
+	FTRACE_ENTRY(name, struct_name, id, PARAMS(tstruct), PARAMS(print))
3634 
3735 /* not needed for this file */
3836 #undef __field_struct
....@@ -41,8 +39,14 @@
4139 #undef __field
4240 #define __field(type, item)				type item;
4341 
42
+#undef __field_fn
43
+#define __field_fn(type, item)				type item;
44
+
4445 #undef __field_desc
4546 #define __field_desc(type, container, item)		type item;
47
+
48
+#undef __field_packed
49
+#define __field_packed(type, container, item)		type item;
4650 
4751 #undef __array
4852 #define __array(type, item, size)			type item[size];
....@@ -60,7 +64,7 @@
6064 #define F_printk(fmt, args...) fmt, args
6165 
6266 #undef FTRACE_ENTRY
63
-#define FTRACE_ENTRY(name, struct_name, id, tstruct, print, filter)	\
67
+#define FTRACE_ENTRY(name, struct_name, id, tstruct, print)		\
6468 struct ____ftrace_##name {						\
6569 	tstruct								\
6670 };									\
....@@ -73,76 +77,56 @@
7377 }
7478 
7579 #undef FTRACE_ENTRY_DUP
76
-#define FTRACE_ENTRY_DUP(name, struct_name, id, tstruct, print, filter)	\
77
-	FTRACE_ENTRY(name, struct_name, id, PARAMS(tstruct), PARAMS(print), \
78
-		     filter)
80
+#define FTRACE_ENTRY_DUP(name, struct_name, id, tstruct, print)		\
81
+	FTRACE_ENTRY(name, struct_name, id, PARAMS(tstruct), PARAMS(print))
7982 
8083 #include "trace_entries.h"
8184 
85
+#undef __field_ext
86
+#define __field_ext(_type, _item, _filter_type) {			\
87
+	.type = #_type, .name = #_item,					\
88
+	.size = sizeof(_type), .align = __alignof__(_type),		\
89
+	is_signed_type(_type), .filter_type = _filter_type },
90
+
91
+
92
+#undef __field_ext_packed
93
+#define __field_ext_packed(_type, _item, _filter_type) {	\
94
+	.type = #_type, .name = #_item,				\
95
+	.size = sizeof(_type), .align = 1,			\
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+	is_signed_type(_type), .filter_type = _filter_type },
97
+
8298 #undef __field
83
-#define __field(type, item)						\
84
-	ret = trace_define_field(event_call, #type, #item,		\
85
-				 offsetof(typeof(field), item),		\
86
-				 sizeof(field.item),			\
87
-				 is_signed_type(type), filter_type);	\
88
-	if (ret)							\
89
-		return ret;
99
+#define __field(_type, _item) __field_ext(_type, _item, FILTER_OTHER)
100
+
101
+#undef __field_fn
102
+#define __field_fn(_type, _item) __field_ext(_type, _item, FILTER_TRACE_FN)
90103 
91104 #undef __field_desc
92
-#define __field_desc(type, container, item)	\
93
-	ret = trace_define_field(event_call, #type, #item,		\
94
-				 offsetof(typeof(field),		\
95
-					  container.item),		\
96
-				 sizeof(field.container.item),		\
97
-				 is_signed_type(type), filter_type);	\
98
-	if (ret)							\
99
-		return ret;
105
+#define __field_desc(_type, _container, _item) __field_ext(_type, _item, FILTER_OTHER)
106
+
107
+#undef __field_packed
108
+#define __field_packed(_type, _container, _item) __field_ext_packed(_type, _item, FILTER_OTHER)
100109 
101110 #undef __array
102
-#define __array(type, item, len)					\
103
-	do {								\
104
-		char *type_str = #type"["__stringify(len)"]";		\
105
-		BUILD_BUG_ON(len > MAX_FILTER_STR_VAL);			\
106
-		ret = trace_define_field(event_call, type_str, #item,	\
107
-				 offsetof(typeof(field), item),		\
108
-				 sizeof(field.item),			\
109
-				 is_signed_type(type), filter_type);	\
110
-		if (ret)						\
111
-			return ret;					\
112
-	} while (0);
111
+#define __array(_type, _item, _len) {					\
112
+	.type = #_type"["__stringify(_len)"]", .name = #_item,		\
113
+	.size = sizeof(_type[_len]), .align = __alignof__(_type),	\
114
+	is_signed_type(_type), .filter_type = FILTER_OTHER },
113115 
114116 #undef __array_desc
115
-#define __array_desc(type, container, item, len)			\
116
-	BUILD_BUG_ON(len > MAX_FILTER_STR_VAL);				\
117
-	ret = trace_define_field(event_call, #type "[" #len "]", #item,	\
118
-				 offsetof(typeof(field),		\
119
-					  container.item),		\
120
-				 sizeof(field.container.item),		\
121
-				 is_signed_type(type), filter_type);	\
122
-	if (ret)							\
123
-		return ret;
117
+#define __array_desc(_type, _container, _item, _len) __array(_type, _item, _len)
124118 
125119 #undef __dynamic_array
126
-#define __dynamic_array(type, item)					\
127
-	ret = trace_define_field(event_call, #type "[]", #item,  \
128
-				 offsetof(typeof(field), item),		\
129
-				 0, is_signed_type(type), filter_type);\
130
-	if (ret)							\
131
-		return ret;
120
+#define __dynamic_array(_type, _item) {					\
121
+	.type = #_type "[]", .name = #_item,				\
122
+	.size = 0, .align = __alignof__(_type),				\
123
+	is_signed_type(_type), .filter_type = FILTER_OTHER },
132124 
133125 #undef FTRACE_ENTRY
134
-#define FTRACE_ENTRY(name, struct_name, id, tstruct, print, filter)	\
135
-static int __init							\
136
-ftrace_define_fields_##name(struct trace_event_call *event_call)	\
137
-{									\
138
-	struct struct_name field;					\
139
-	int ret;							\
140
-	int filter_type = filter;					\
141
-									\
142
-	tstruct;							\
143
-									\
144
-	return ret;							\
145
-}
126
+#define FTRACE_ENTRY(name, struct_name, id, tstruct, print)		\
127
+static struct trace_event_fields ftrace_event_fields_##name[] = {	\
128
+	tstruct								\
129
+	{} };
146130 
147131 #include "trace_entries.h"
148132 
....@@ -152,8 +136,14 @@
152136 #undef __field
153137 #define __field(type, item)
154138 
139
+#undef __field_fn
140
+#define __field_fn(type, item)
141
+
155142 #undef __field_desc
156143 #define __field_desc(type, container, item)
144
+
145
+#undef __field_packed
146
+#define __field_packed(type, container, item)
157147 
158148 #undef __array
159149 #define __array(type, item, len)
....@@ -168,12 +158,10 @@
168158 #define F_printk(fmt, args...) __stringify(fmt) ", "  __stringify(args)
169159 
170160 #undef FTRACE_ENTRY_REG
171
-#define FTRACE_ENTRY_REG(call, struct_name, etype, tstruct, print, filter,\
172
-			 regfn)						\
173
-									\
174
-struct trace_event_class __refdata event_class_ftrace_##call = {	\
161
+#define FTRACE_ENTRY_REG(call, struct_name, etype, tstruct, print, regfn) \
162
+static struct trace_event_class __refdata event_class_ftrace_##call = {	\
175163 	.system			= __stringify(TRACE_SYSTEM),		\
176
-	.define_fields		= ftrace_define_fields_##call,		\
164
+	.fields_array		= ftrace_event_fields_##call,		\
177165 	.fields			= LIST_HEAD_INIT(event_class_ftrace_##call.fields),\
178166 	.reg			= regfn,				\
179167 };									\
....@@ -187,13 +175,13 @@
187175 	.print_fmt		= print,				\
188176 	.flags			= TRACE_EVENT_FL_IGNORE_ENABLE,		\
189177 };									\
190
-struct trace_event_call __used						\
191
-__attribute__((section("_ftrace_events"))) *__event_##call = &event_##call;
178
+static struct trace_event_call __used						\
179
+__section("_ftrace_events") *__event_##call = &event_##call;
192180 
193181 #undef FTRACE_ENTRY
194
-#define FTRACE_ENTRY(call, struct_name, etype, tstruct, print, filter)	\
182
+#define FTRACE_ENTRY(call, struct_name, etype, tstruct, print)		\
195183 	FTRACE_ENTRY_REG(call, struct_name, etype,			\
196
-			 PARAMS(tstruct), PARAMS(print), filter, NULL)
184
+			 PARAMS(tstruct), PARAMS(print), NULL)
197185 
198186 bool ftrace_event_is_function(struct trace_event_call *call)
199187 {