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-rw-r--r--kernel/trace/trace_export.c284
1 files changed, 155 insertions, 129 deletions
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index df1bf6e48bb9..9753fcc61bc5 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -15,146 +15,125 @@
15 15
16#include "trace_output.h" 16#include "trace_output.h"
17 17
18#undef TRACE_SYSTEM
19#define TRACE_SYSTEM ftrace
18 20
19#undef TRACE_STRUCT 21/* not needed for this file */
20#define TRACE_STRUCT(args...) args 22#undef __field_struct
23#define __field_struct(type, item)
21 24
22extern void __bad_type_size(void); 25#undef __field
26#define __field(type, item) type item;
23 27
24#undef TRACE_FIELD 28#undef __field_desc
25#define TRACE_FIELD(type, item, assign) \ 29#define __field_desc(type, container, item) type item;
26 if (sizeof(type) != sizeof(field.item)) \ 30
27 __bad_type_size(); \ 31#undef __array
32#define __array(type, item, size) type item[size];
33
34#undef __array_desc
35#define __array_desc(type, container, item, size) type item[size];
36
37#undef __dynamic_array
38#define __dynamic_array(type, item) type item[];
39
40#undef F_STRUCT
41#define F_STRUCT(args...) args
42
43#undef F_printk
44#define F_printk(fmt, args...) fmt, args
45
46#undef FTRACE_ENTRY
47#define FTRACE_ENTRY(name, struct_name, id, tstruct, print) \
48struct ____ftrace_##name { \
49 tstruct \
50}; \
51static void __used ____ftrace_check_##name(void) \
52{ \
53 struct ____ftrace_##name *__entry = NULL; \
54 \
55 /* force cmpile-time check on F_printk() */ \
56 printk(print); \
57}
58
59#undef FTRACE_ENTRY_DUP
60#define FTRACE_ENTRY_DUP(name, struct_name, id, tstruct, print) \
61 FTRACE_ENTRY(name, struct_name, id, PARAMS(tstruct), PARAMS(print))
62
63#include "trace_entries.h"
64
65
66#undef __field
67#define __field(type, item) \
28 ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \ 68 ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \
29 "offset:%u;\tsize:%u;\n", \ 69 "offset:%zu;\tsize:%zu;\n", \
30 (unsigned int)offsetof(typeof(field), item), \ 70 offsetof(typeof(field), item), \
31 (unsigned int)sizeof(field.item)); \ 71 sizeof(field.item)); \
32 if (!ret) \ 72 if (!ret) \
33 return 0; 73 return 0;
34 74
75#undef __field_desc
76#define __field_desc(type, container, item) \
77 ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \
78 "offset:%zu;\tsize:%zu;\n", \
79 offsetof(typeof(field), container.item), \
80 sizeof(field.container.item)); \
81 if (!ret) \
82 return 0;
35 83
36#undef TRACE_FIELD_SPECIAL 84#undef __array
37#define TRACE_FIELD_SPECIAL(type_item, item, len, cmd) \ 85#define __array(type, item, len) \
38 ret = trace_seq_printf(s, "\tfield special:" #type_item ";\t" \ 86 ret = trace_seq_printf(s, "\tfield:" #type " " #item "[" #len "];\t" \
39 "offset:%u;\tsize:%u;\n", \ 87 "offset:%zu;\tsize:%zu;\n", \
40 (unsigned int)offsetof(typeof(field), item), \ 88 offsetof(typeof(field), item), \
41 (unsigned int)sizeof(field.item)); \ 89 sizeof(field.item)); \
42 if (!ret) \ 90 if (!ret) \
43 return 0; 91 return 0;
44 92
45#undef TRACE_FIELD_ZERO_CHAR 93#undef __array_desc
46#define TRACE_FIELD_ZERO_CHAR(item) \ 94#define __array_desc(type, container, item, len) \
47 ret = trace_seq_printf(s, "\tfield:char " #item ";\t" \ 95 ret = trace_seq_printf(s, "\tfield:" #type " " #item "[" #len "];\t" \
48 "offset:%u;\tsize:0;\n", \ 96 "offset:%zu;\tsize:%zu;\n", \
49 (unsigned int)offsetof(typeof(field), item)); \ 97 offsetof(typeof(field), container.item), \
98 sizeof(field.container.item)); \
50 if (!ret) \ 99 if (!ret) \
51 return 0; 100 return 0;
52 101
53#undef TRACE_FIELD_SIGN 102#undef __dynamic_array
54#define TRACE_FIELD_SIGN(type, item, assign, is_signed) \ 103#define __dynamic_array(type, item) \
55 TRACE_FIELD(type, item, assign) 104 ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \
105 "offset:%zu;\tsize:0;\n", \
106 offsetof(typeof(field), item)); \
107 if (!ret) \
108 return 0;
56 109
57#undef TP_RAW_FMT 110#undef F_printk
58#define TP_RAW_FMT(args...) args 111#define F_printk(fmt, args...) "%s, %s\n", #fmt, __stringify(args)
59 112
60#undef TRACE_EVENT_FORMAT 113#undef __entry
61#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt) \ 114#define __entry REC
62static int \
63ftrace_format_##call(struct ftrace_event_call *unused, \
64 struct trace_seq *s) \
65{ \
66 struct args field; \
67 int ret; \
68 \
69 tstruct; \
70 \
71 trace_seq_printf(s, "\nprint fmt: \"%s\"\n", tpfmt); \
72 \
73 return ret; \
74}
75 115
76#undef TRACE_EVENT_FORMAT_NOFILTER 116#undef FTRACE_ENTRY
77#define TRACE_EVENT_FORMAT_NOFILTER(call, proto, args, fmt, tstruct, \ 117#define FTRACE_ENTRY(name, struct_name, id, tstruct, print) \
78 tpfmt) \
79static int \ 118static int \
80ftrace_format_##call(struct ftrace_event_call *unused, \ 119ftrace_format_##name(struct ftrace_event_call *unused, \
81 struct trace_seq *s) \ 120 struct trace_seq *s) \
82{ \ 121{ \
83 struct args field; \ 122 struct struct_name field __attribute__((unused)); \
84 int ret; \ 123 int ret = 0; \
85 \ 124 \
86 tstruct; \ 125 tstruct; \
87 \ 126 \
88 trace_seq_printf(s, "\nprint fmt: \"%s\"\n", tpfmt); \ 127 trace_seq_printf(s, "\nprint fmt: " print); \
89 \ 128 \
90 return ret; \ 129 return ret; \
91} 130}
92 131
93#include "trace_event_types.h" 132#include "trace_entries.h"
94
95#undef TRACE_ZERO_CHAR
96#define TRACE_ZERO_CHAR(arg)
97
98#undef TRACE_FIELD
99#define TRACE_FIELD(type, item, assign)\
100 entry->item = assign;
101
102#undef TRACE_FIELD
103#define TRACE_FIELD(type, item, assign)\
104 entry->item = assign;
105
106#undef TRACE_FIELD_SIGN
107#define TRACE_FIELD_SIGN(type, item, assign, is_signed) \
108 TRACE_FIELD(type, item, assign)
109
110#undef TP_CMD
111#define TP_CMD(cmd...) cmd
112
113#undef TRACE_ENTRY
114#define TRACE_ENTRY entry
115
116#undef TRACE_FIELD_SPECIAL
117#define TRACE_FIELD_SPECIAL(type_item, item, len, cmd) \
118 cmd;
119
120#undef TRACE_EVENT_FORMAT
121#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt) \
122int ftrace_define_fields_##call(struct ftrace_event_call *event_call); \
123static int ftrace_raw_init_event_##call(void); \
124 \
125struct ftrace_event_call __used \
126__attribute__((__aligned__(4))) \
127__attribute__((section("_ftrace_events"))) event_##call = { \
128 .name = #call, \
129 .id = proto, \
130 .system = __stringify(TRACE_SYSTEM), \
131 .raw_init = ftrace_raw_init_event_##call, \
132 .show_format = ftrace_format_##call, \
133 .define_fields = ftrace_define_fields_##call, \
134}; \
135static int ftrace_raw_init_event_##call(void) \
136{ \
137 INIT_LIST_HEAD(&event_##call.fields); \
138 return 0; \
139} \
140
141#undef TRACE_EVENT_FORMAT_NOFILTER
142#define TRACE_EVENT_FORMAT_NOFILTER(call, proto, args, fmt, tstruct, \
143 tpfmt) \
144 \
145struct ftrace_event_call __used \
146__attribute__((__aligned__(4))) \
147__attribute__((section("_ftrace_events"))) event_##call = { \
148 .name = #call, \
149 .id = proto, \
150 .system = __stringify(TRACE_SYSTEM), \
151 .show_format = ftrace_format_##call, \
152};
153 133
154#include "trace_event_types.h"
155 134
156#undef TRACE_FIELD 135#undef __field
157#define TRACE_FIELD(type, item, assign) \ 136#define __field(type, item) \
158 ret = trace_define_field(event_call, #type, #item, \ 137 ret = trace_define_field(event_call, #type, #item, \
159 offsetof(typeof(field), item), \ 138 offsetof(typeof(field), item), \
160 sizeof(field.item), \ 139 sizeof(field.item), \
@@ -162,32 +141,45 @@ __attribute__((section("_ftrace_events"))) event_##call = { \
162 if (ret) \ 141 if (ret) \
163 return ret; 142 return ret;
164 143
165#undef TRACE_FIELD_SPECIAL 144#undef __field_desc
166#define TRACE_FIELD_SPECIAL(type, item, len, cmd) \ 145#define __field_desc(type, container, item) \
146 ret = trace_define_field(event_call, #type, #item, \
147 offsetof(typeof(field), \
148 container.item), \
149 sizeof(field.container.item), \
150 is_signed_type(type), FILTER_OTHER); \
151 if (ret) \
152 return ret;
153
154#undef __array
155#define __array(type, item, len) \
156 BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \
167 ret = trace_define_field(event_call, #type "[" #len "]", #item, \ 157 ret = trace_define_field(event_call, #type "[" #len "]", #item, \
168 offsetof(typeof(field), item), \ 158 offsetof(typeof(field), item), \
169 sizeof(field.item), 0, FILTER_OTHER); \ 159 sizeof(field.item), 0, FILTER_OTHER); \
170 if (ret) \ 160 if (ret) \
171 return ret; 161 return ret;
172 162
173#undef TRACE_FIELD_SIGN 163#undef __array_desc
174#define TRACE_FIELD_SIGN(type, item, assign, is_signed) \ 164#define __array_desc(type, container, item, len) \
175 ret = trace_define_field(event_call, #type, #item, \ 165 BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \
176 offsetof(typeof(field), item), \ 166 ret = trace_define_field(event_call, #type "[" #len "]", #item, \
177 sizeof(field.item), is_signed, \ 167 offsetof(typeof(field), \
168 container.item), \
169 sizeof(field.container.item), 0, \
178 FILTER_OTHER); \ 170 FILTER_OTHER); \
179 if (ret) \ 171 if (ret) \
180 return ret; 172 return ret;
181 173
182#undef TRACE_FIELD_ZERO_CHAR 174#undef __dynamic_array
183#define TRACE_FIELD_ZERO_CHAR(item) 175#define __dynamic_array(type, item)
184 176
185#undef TRACE_EVENT_FORMAT 177#undef FTRACE_ENTRY
186#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt) \ 178#define FTRACE_ENTRY(name, struct_name, id, tstruct, print) \
187int \ 179int \
188ftrace_define_fields_##call(struct ftrace_event_call *event_call) \ 180ftrace_define_fields_##name(struct ftrace_event_call *event_call) \
189{ \ 181{ \
190 struct args field; \ 182 struct struct_name field; \
191 int ret; \ 183 int ret; \
192 \ 184 \
193 ret = trace_define_common_fields(event_call); \ 185 ret = trace_define_common_fields(event_call); \
@@ -199,8 +191,42 @@ ftrace_define_fields_##call(struct ftrace_event_call *event_call) \
199 return ret; \ 191 return ret; \
200} 192}
201 193
202#undef TRACE_EVENT_FORMAT_NOFILTER 194#include "trace_entries.h"
203#define TRACE_EVENT_FORMAT_NOFILTER(call, proto, args, fmt, tstruct, \ 195
204 tpfmt) 196
197#undef __field
198#define __field(type, item)
199
200#undef __field_desc
201#define __field_desc(type, container, item)
202
203#undef __array
204#define __array(type, item, len)
205
206#undef __array_desc
207#define __array_desc(type, container, item, len)
208
209#undef __dynamic_array
210#define __dynamic_array(type, item)
211
212#undef FTRACE_ENTRY
213#define FTRACE_ENTRY(call, struct_name, type, tstruct, print) \
214static int ftrace_raw_init_event_##call(void); \
215 \
216struct ftrace_event_call __used \
217__attribute__((__aligned__(4))) \
218__attribute__((section("_ftrace_events"))) event_##call = { \
219 .name = #call, \
220 .id = type, \
221 .system = __stringify(TRACE_SYSTEM), \
222 .raw_init = ftrace_raw_init_event_##call, \
223 .show_format = ftrace_format_##call, \
224 .define_fields = ftrace_define_fields_##call, \
225}; \
226static int ftrace_raw_init_event_##call(void) \
227{ \
228 INIT_LIST_HEAD(&event_##call.fields); \
229 return 0; \
230} \
205 231
206#include "trace_event_types.h" 232#include "trace_entries.h"
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-14 05:49:29 -0500