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Diffstat (limited to 'kernel/trace/trace_export.c')
-rw-r--r--kernel/trace/trace_export.c113
1 files changed, 25 insertions, 88 deletions
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 9753fcc61bc5..e091f64ba6ce 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -48,11 +48,11 @@
48struct ____ftrace_##name { \ 48struct ____ftrace_##name { \
49 tstruct \ 49 tstruct \
50}; \ 50}; \
51static void __used ____ftrace_check_##name(void) \ 51static void __always_unused ____ftrace_check_##name(void) \
52{ \ 52{ \
53 struct ____ftrace_##name *__entry = NULL; \ 53 struct ____ftrace_##name *__entry = NULL; \
54 \ 54 \
55 /* force cmpile-time check on F_printk() */ \ 55 /* force compile-time check on F_printk() */ \
56 printk(print); \ 56 printk(print); \
57} 57}
58 58
@@ -62,76 +62,6 @@ static void __used ____ftrace_check_##name(void) \
62 62
63#include "trace_entries.h" 63#include "trace_entries.h"
64 64
65
66#undef __field
67#define __field(type, item) \
68 ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \
69 "offset:%zu;\tsize:%zu;\n", \
70 offsetof(typeof(field), item), \
71 sizeof(field.item)); \
72 if (!ret) \
73 return 0;
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;
83
84#undef __array
85#define __array(type, item, len) \
86 ret = trace_seq_printf(s, "\tfield:" #type " " #item "[" #len "];\t" \
87 "offset:%zu;\tsize:%zu;\n", \
88 offsetof(typeof(field), item), \
89 sizeof(field.item)); \
90 if (!ret) \
91 return 0;
92
93#undef __array_desc
94#define __array_desc(type, container, item, len) \
95 ret = trace_seq_printf(s, "\tfield:" #type " " #item "[" #len "];\t" \
96 "offset:%zu;\tsize:%zu;\n", \
97 offsetof(typeof(field), container.item), \
98 sizeof(field.container.item)); \
99 if (!ret) \
100 return 0;
101
102#undef __dynamic_array
103#define __dynamic_array(type, item) \
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;
109
110#undef F_printk
111#define F_printk(fmt, args...) "%s, %s\n", #fmt, __stringify(args)
112
113#undef __entry
114#define __entry REC
115
116#undef FTRACE_ENTRY
117#define FTRACE_ENTRY(name, struct_name, id, tstruct, print) \
118static int \
119ftrace_format_##name(struct ftrace_event_call *unused, \
120 struct trace_seq *s) \
121{ \
122 struct struct_name field __attribute__((unused)); \
123 int ret = 0; \
124 \
125 tstruct; \
126 \
127 trace_seq_printf(s, "\nprint fmt: " print); \
128 \
129 return ret; \
130}
131
132#include "trace_entries.h"
133
134
135#undef __field 65#undef __field
136#define __field(type, item) \ 66#define __field(type, item) \
137 ret = trace_define_field(event_call, #type, #item, \ 67 ret = trace_define_field(event_call, #type, #item, \
@@ -156,7 +86,8 @@ ftrace_format_##name(struct ftrace_event_call *unused, \
156 BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \ 86 BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \
157 ret = trace_define_field(event_call, #type "[" #len "]", #item, \ 87 ret = trace_define_field(event_call, #type "[" #len "]", #item, \
158 offsetof(typeof(field), item), \ 88 offsetof(typeof(field), item), \
159 sizeof(field.item), 0, FILTER_OTHER); \ 89 sizeof(field.item), \
90 is_signed_type(type), FILTER_OTHER); \
160 if (ret) \ 91 if (ret) \
161 return ret; 92 return ret;
162 93
@@ -166,13 +97,18 @@ ftrace_format_##name(struct ftrace_event_call *unused, \
166 ret = trace_define_field(event_call, #type "[" #len "]", #item, \ 97 ret = trace_define_field(event_call, #type "[" #len "]", #item, \
167 offsetof(typeof(field), \ 98 offsetof(typeof(field), \
168 container.item), \ 99 container.item), \
169 sizeof(field.container.item), 0, \ 100 sizeof(field.container.item), \
170 FILTER_OTHER); \ 101 is_signed_type(type), FILTER_OTHER); \
171 if (ret) \ 102 if (ret) \
172 return ret; 103 return ret;
173 104
174#undef __dynamic_array 105#undef __dynamic_array
175#define __dynamic_array(type, item) 106#define __dynamic_array(type, item) \
107 ret = trace_define_field(event_call, #type, #item, \
108 offsetof(typeof(field), item), \
109 0, is_signed_type(type), FILTER_OTHER);\
110 if (ret) \
111 return ret;
176 112
177#undef FTRACE_ENTRY 113#undef FTRACE_ENTRY
178#define FTRACE_ENTRY(name, struct_name, id, tstruct, print) \ 114#define FTRACE_ENTRY(name, struct_name, id, tstruct, print) \
@@ -182,10 +118,6 @@ ftrace_define_fields_##name(struct ftrace_event_call *event_call) \
182 struct struct_name field; \ 118 struct struct_name field; \
183 int ret; \ 119 int ret; \
184 \ 120 \
185 ret = trace_define_common_fields(event_call); \
186 if (ret) \
187 return ret; \
188 \
189 tstruct; \ 121 tstruct; \
190 \ 122 \
191 return ret; \ 123 return ret; \
@@ -193,6 +125,14 @@ ftrace_define_fields_##name(struct ftrace_event_call *event_call) \
193 125
194#include "trace_entries.h" 126#include "trace_entries.h"
195 127
128static int ftrace_raw_init_event(struct ftrace_event_call *call)
129{
130 INIT_LIST_HEAD(&call->fields);
131 return 0;
132}
133
134#undef __entry
135#define __entry REC
196 136
197#undef __field 137#undef __field
198#define __field(type, item) 138#define __field(type, item)
@@ -209,9 +149,11 @@ ftrace_define_fields_##name(struct ftrace_event_call *event_call) \
209#undef __dynamic_array 149#undef __dynamic_array
210#define __dynamic_array(type, item) 150#define __dynamic_array(type, item)
211 151
152#undef F_printk
153#define F_printk(fmt, args...) #fmt ", " __stringify(args)
154
212#undef FTRACE_ENTRY 155#undef FTRACE_ENTRY
213#define FTRACE_ENTRY(call, struct_name, type, tstruct, print) \ 156#define FTRACE_ENTRY(call, struct_name, type, tstruct, print) \
214static int ftrace_raw_init_event_##call(void); \
215 \ 157 \
216struct ftrace_event_call __used \ 158struct ftrace_event_call __used \
217__attribute__((__aligned__(4))) \ 159__attribute__((__aligned__(4))) \
@@ -219,14 +161,9 @@ __attribute__((section("_ftrace_events"))) event_##call = { \
219 .name = #call, \ 161 .name = #call, \
220 .id = type, \ 162 .id = type, \
221 .system = __stringify(TRACE_SYSTEM), \ 163 .system = __stringify(TRACE_SYSTEM), \
222 .raw_init = ftrace_raw_init_event_##call, \ 164 .raw_init = ftrace_raw_init_event, \
223 .show_format = ftrace_format_##call, \ 165 .print_fmt = print, \
224 .define_fields = ftrace_define_fields_##call, \ 166 .define_fields = ftrace_define_fields_##call, \
225}; \ 167}; \
226static int ftrace_raw_init_event_##call(void) \
227{ \
228 INIT_LIST_HEAD(&event_##call.fields); \
229 return 0; \
230} \
231 168
232#include "trace_entries.h" 169#include "trace_entries.h"
generated by cgit v1.2.2 (git 2.25.0) at 2025-07-07 05:52:15 -0400