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bb730b58 | 1 | // SPDX-License-Identifier: GPL-2.0 |
0a1c49db SR |
2 | /* |
3 | * This file defines the trace event structures that go into the ring | |
4 | * buffer directly. They are created via macros so that changes for them | |
5 | * appear in the format file. Using macros will automate this process. | |
6 | * | |
7 | * The macro used to create a ftrace data structure is: | |
8 | * | |
9 | * FTRACE_ENTRY( name, struct_name, id, structure, print ) | |
10 | * | |
11 | * @name: the name used the event name, as well as the name of | |
12 | * the directory that holds the format file. | |
13 | * | |
14 | * @struct_name: the name of the structure that is created. | |
15 | * | |
16 | * @id: The event identifier that is used to detect what event | |
17 | * this is from the ring buffer. | |
18 | * | |
19 | * @structure: the structure layout | |
20 | * | |
21 | * - __field( type, item ) | |
22 | * This is equivalent to declaring | |
23 | * type item; | |
24 | * in the structure. | |
25 | * - __array( type, item, size ) | |
26 | * This is equivalent to declaring | |
27 | * type item[size]; | |
28 | * in the structure. | |
29 | * | |
d7315094 | 30 | * * for structures within structures, the format of the internal |
25985edc | 31 | * structure is laid out. This allows the internal structure |
d7315094 SR |
32 | * to be deciphered for the format file. Although these macros |
33 | * may become out of sync with the internal structure, they | |
34 | * will create a compile error if it happens. Since the | |
2b5894cc | 35 | * internal structures are just tracing helpers, this is not |
d7315094 SR |
36 | * an issue. |
37 | * | |
38 | * When an internal structure is used, it should use: | |
39 | * | |
40 | * __field_struct( type, item ) | |
41 | * | |
42 | * instead of __field. This will prevent it from being shown in | |
43 | * the output file. The fields in the structure should use. | |
44 | * | |
45 | * __field_desc( type, container, item ) | |
46 | * __array_desc( type, container, item, len ) | |
47 | * | |
48 | * type, item and len are the same as __field and __array, but | |
49 | * container is added. This is the name of the item in | |
50 | * __field_struct that this is describing. | |
51 | * | |
52 | * | |
0a1c49db SR |
53 | * @print: the print format shown to users in the format file. |
54 | */ | |
55 | ||
56 | /* | |
b595076a | 57 | * Function trace entry - function address and parent function address: |
0a1c49db | 58 | */ |
ced39002 | 59 | FTRACE_ENTRY_REG(function, ftrace_entry, |
0a1c49db SR |
60 | |
61 | TRACE_FN, | |
62 | ||
63 | F_STRUCT( | |
04ae87a5 PZ |
64 | __field_fn( unsigned long, ip ) |
65 | __field_fn( unsigned long, parent_ip ) | |
0a1c49db SR |
66 | ), |
67 | ||
85acbb21 CD |
68 | F_printk(" %ps <-- %ps", |
69 | (void *)__entry->ip, (void *)__entry->parent_ip), | |
ced39002 JO |
70 | |
71 | perf_ftrace_event_register | |
0a1c49db SR |
72 | ); |
73 | ||
74 | /* Function call entry */ | |
a4a551b8 | 75 | FTRACE_ENTRY_PACKED(funcgraph_entry, ftrace_graph_ent_entry, |
0a1c49db SR |
76 | |
77 | TRACE_GRAPH_ENT, | |
78 | ||
79 | F_STRUCT( | |
d7315094 | 80 | __field_struct( struct ftrace_graph_ent, graph_ent ) |
4649079b SRV |
81 | __field_packed( unsigned long, graph_ent, func ) |
82 | __field_packed( int, graph_ent, depth ) | |
0a1c49db SR |
83 | ), |
84 | ||
04ae87a5 | 85 | F_printk("--> %ps (%d)", (void *)__entry->func, __entry->depth) |
0a1c49db SR |
86 | ); |
87 | ||
88 | /* Function return entry */ | |
a4a551b8 | 89 | FTRACE_ENTRY_PACKED(funcgraph_exit, ftrace_graph_ret_entry, |
0a1c49db SR |
90 | |
91 | TRACE_GRAPH_RET, | |
92 | ||
93 | F_STRUCT( | |
d7315094 | 94 | __field_struct( struct ftrace_graph_ret, ret ) |
4649079b | 95 | __field_packed( unsigned long, ret, func ) |
60602cb5 SRV |
96 | __field_packed( int, ret, depth ) |
97 | __field_packed( unsigned int, ret, overrun ) | |
4649079b SRV |
98 | __field_packed( unsigned long long, ret, calltime) |
99 | __field_packed( unsigned long long, ret, rettime ) | |
0a1c49db SR |
100 | ), |
101 | ||
85acbb21 CD |
102 | F_printk("<-- %ps (%d) (start: %llx end: %llx) over: %d", |
103 | (void *)__entry->func, __entry->depth, | |
c16de8fd | 104 | __entry->calltime, __entry->rettime, |
04ae87a5 | 105 | __entry->depth) |
0a1c49db SR |
106 | ); |
107 | ||
108 | /* | |
109 | * Context switch trace entry - which task (and prio) we switched from/to: | |
110 | * | |
111 | * This is used for both wakeup and context switches. We only want | |
112 | * to create one structure, but we need two outputs for it. | |
113 | */ | |
114 | #define FTRACE_CTX_FIELDS \ | |
115 | __field( unsigned int, prev_pid ) \ | |
140e4f2d DS |
116 | __field( unsigned int, next_pid ) \ |
117 | __field( unsigned int, next_cpu ) \ | |
0a1c49db SR |
118 | __field( unsigned char, prev_prio ) \ |
119 | __field( unsigned char, prev_state ) \ | |
0a1c49db | 120 | __field( unsigned char, next_prio ) \ |
140e4f2d | 121 | __field( unsigned char, next_state ) |
0a1c49db | 122 | |
0a1c49db SR |
123 | FTRACE_ENTRY(context_switch, ctx_switch_entry, |
124 | ||
125 | TRACE_CTX, | |
126 | ||
127 | F_STRUCT( | |
128 | FTRACE_CTX_FIELDS | |
129 | ), | |
130 | ||
c16de8fd | 131 | F_printk("%u:%u:%u ==> %u:%u:%u [%03u]", |
0a1c49db SR |
132 | __entry->prev_pid, __entry->prev_prio, __entry->prev_state, |
133 | __entry->next_pid, __entry->next_prio, __entry->next_state, | |
04ae87a5 | 134 | __entry->next_cpu) |
0a1c49db SR |
135 | ); |
136 | ||
137 | /* | |
138 | * FTRACE_ENTRY_DUP only creates the format file, it will not | |
139 | * create another structure. | |
140 | */ | |
141 | FTRACE_ENTRY_DUP(wakeup, ctx_switch_entry, | |
142 | ||
143 | TRACE_WAKE, | |
144 | ||
145 | F_STRUCT( | |
146 | FTRACE_CTX_FIELDS | |
147 | ), | |
148 | ||
149 | F_printk("%u:%u:%u ==+ %u:%u:%u [%03u]", | |
150 | __entry->prev_pid, __entry->prev_prio, __entry->prev_state, | |
151 | __entry->next_pid, __entry->next_prio, __entry->next_state, | |
04ae87a5 | 152 | __entry->next_cpu) |
0a1c49db SR |
153 | ); |
154 | ||
0a1c49db SR |
155 | /* |
156 | * Stack-trace entry: | |
157 | */ | |
158 | ||
159 | #define FTRACE_STACK_ENTRIES 8 | |
160 | ||
161 | FTRACE_ENTRY(kernel_stack, stack_entry, | |
162 | ||
163 | TRACE_STACK, | |
164 | ||
165 | F_STRUCT( | |
4a9bd3f1 | 166 | __field( int, size ) |
cbc3b92c | 167 | __array( unsigned long, caller, FTRACE_STACK_ENTRIES ) |
0a1c49db SR |
168 | ), |
169 | ||
85acbb21 CD |
170 | F_printk("\t=> %ps\n\t=> %ps\n\t=> %ps\n" |
171 | "\t=> %ps\n\t=> %ps\n\t=> %ps\n" | |
172 | "\t=> %ps\n\t=> %ps\n", | |
173 | (void *)__entry->caller[0], (void *)__entry->caller[1], | |
174 | (void *)__entry->caller[2], (void *)__entry->caller[3], | |
175 | (void *)__entry->caller[4], (void *)__entry->caller[5], | |
04ae87a5 | 176 | (void *)__entry->caller[6], (void *)__entry->caller[7]) |
0a1c49db SR |
177 | ); |
178 | ||
179 | FTRACE_ENTRY(user_stack, userstack_entry, | |
180 | ||
181 | TRACE_USER_STACK, | |
182 | ||
183 | F_STRUCT( | |
184 | __field( unsigned int, tgid ) | |
185 | __array( unsigned long, caller, FTRACE_STACK_ENTRIES ) | |
186 | ), | |
187 | ||
85acbb21 CD |
188 | F_printk("\t=> %ps\n\t=> %ps\n\t=> %ps\n" |
189 | "\t=> %ps\n\t=> %ps\n\t=> %ps\n" | |
190 | "\t=> %ps\n\t=> %ps\n", | |
191 | (void *)__entry->caller[0], (void *)__entry->caller[1], | |
192 | (void *)__entry->caller[2], (void *)__entry->caller[3], | |
193 | (void *)__entry->caller[4], (void *)__entry->caller[5], | |
04ae87a5 | 194 | (void *)__entry->caller[6], (void *)__entry->caller[7]) |
0a1c49db SR |
195 | ); |
196 | ||
197 | /* | |
198 | * trace_printk entry: | |
199 | */ | |
200 | FTRACE_ENTRY(bprint, bprint_entry, | |
201 | ||
202 | TRACE_BPRINT, | |
203 | ||
204 | F_STRUCT( | |
205 | __field( unsigned long, ip ) | |
206 | __field( const char *, fmt ) | |
207 | __dynamic_array( u32, buf ) | |
208 | ), | |
209 | ||
bbedb179 | 210 | F_printk("%ps: %s", |
04ae87a5 | 211 | (void *)__entry->ip, __entry->fmt) |
0a1c49db SR |
212 | ); |
213 | ||
3dd80953 | 214 | FTRACE_ENTRY_REG(print, print_entry, |
0a1c49db SR |
215 | |
216 | TRACE_PRINT, | |
217 | ||
218 | F_STRUCT( | |
219 | __field( unsigned long, ip ) | |
220 | __dynamic_array( char, buf ) | |
221 | ), | |
222 | ||
bbedb179 | 223 | F_printk("%ps: %s", |
09ae7234 SRRH |
224 | (void *)__entry->ip, __entry->buf), |
225 | ||
3dd80953 | 226 | ftrace_event_register |
09ae7234 SRRH |
227 | ); |
228 | ||
fa32e855 SR |
229 | FTRACE_ENTRY(raw_data, raw_data_entry, |
230 | ||
231 | TRACE_RAW_DATA, | |
232 | ||
233 | F_STRUCT( | |
234 | __field( unsigned int, id ) | |
235 | __dynamic_array( char, buf ) | |
236 | ), | |
237 | ||
238 | F_printk("id:%04x %08x", | |
04ae87a5 | 239 | __entry->id, (int)__entry->buf[0]) |
fa32e855 SR |
240 | ); |
241 | ||
09ae7234 SRRH |
242 | FTRACE_ENTRY(bputs, bputs_entry, |
243 | ||
244 | TRACE_BPUTS, | |
245 | ||
246 | F_STRUCT( | |
247 | __field( unsigned long, ip ) | |
248 | __field( const char *, str ) | |
249 | ), | |
250 | ||
bbedb179 | 251 | F_printk("%ps: %s", |
04ae87a5 | 252 | (void *)__entry->ip, __entry->str) |
0a1c49db SR |
253 | ); |
254 | ||
255 | FTRACE_ENTRY(mmiotrace_rw, trace_mmiotrace_rw, | |
256 | ||
257 | TRACE_MMIO_RW, | |
258 | ||
259 | F_STRUCT( | |
d7315094 SR |
260 | __field_struct( struct mmiotrace_rw, rw ) |
261 | __field_desc( resource_size_t, rw, phys ) | |
262 | __field_desc( unsigned long, rw, value ) | |
263 | __field_desc( unsigned long, rw, pc ) | |
04ae87a5 | 264 | __field_desc( int, rw, map_id ) |
d7315094 SR |
265 | __field_desc( unsigned char, rw, opcode ) |
266 | __field_desc( unsigned char, rw, width ) | |
0a1c49db SR |
267 | ), |
268 | ||
c16de8fd LZ |
269 | F_printk("%lx %lx %lx %d %x %x", |
270 | (unsigned long)__entry->phys, __entry->value, __entry->pc, | |
04ae87a5 | 271 | __entry->map_id, __entry->opcode, __entry->width) |
0a1c49db SR |
272 | ); |
273 | ||
274 | FTRACE_ENTRY(mmiotrace_map, trace_mmiotrace_map, | |
275 | ||
276 | TRACE_MMIO_MAP, | |
277 | ||
278 | F_STRUCT( | |
d7315094 SR |
279 | __field_struct( struct mmiotrace_map, map ) |
280 | __field_desc( resource_size_t, map, phys ) | |
281 | __field_desc( unsigned long, map, virt ) | |
282 | __field_desc( unsigned long, map, len ) | |
04ae87a5 | 283 | __field_desc( int, map, map_id ) |
d7315094 | 284 | __field_desc( unsigned char, map, opcode ) |
0a1c49db SR |
285 | ), |
286 | ||
c16de8fd LZ |
287 | F_printk("%lx %lx %lx %d %x", |
288 | (unsigned long)__entry->phys, __entry->virt, __entry->len, | |
04ae87a5 | 289 | __entry->map_id, __entry->opcode) |
0a1c49db SR |
290 | ); |
291 | ||
0a1c49db SR |
292 | |
293 | #define TRACE_FUNC_SIZE 30 | |
294 | #define TRACE_FILE_SIZE 20 | |
295 | ||
296 | FTRACE_ENTRY(branch, trace_branch, | |
297 | ||
298 | TRACE_BRANCH, | |
299 | ||
300 | F_STRUCT( | |
301 | __field( unsigned int, line ) | |
302 | __array( char, func, TRACE_FUNC_SIZE+1 ) | |
303 | __array( char, file, TRACE_FILE_SIZE+1 ) | |
304 | __field( char, correct ) | |
068f530b | 305 | __field( char, constant ) |
0a1c49db SR |
306 | ), |
307 | ||
068f530b | 308 | F_printk("%u:%s:%s (%u)%s", |
0a1c49db | 309 | __entry->line, |
068f530b | 310 | __entry->func, __entry->file, __entry->correct, |
04ae87a5 | 311 | __entry->constant ? " CONSTANT" : "") |
0a1c49db SR |
312 | ); |
313 | ||
e7c15cd8 SRRH |
314 | |
315 | FTRACE_ENTRY(hwlat, hwlat_entry, | |
316 | ||
317 | TRACE_HWLAT, | |
318 | ||
319 | F_STRUCT( | |
320 | __field( u64, duration ) | |
321 | __field( u64, outer_duration ) | |
7b2c8625 | 322 | __field( u64, nmi_total_ts ) |
51aad0ae DD |
323 | __field_struct( struct timespec64, timestamp ) |
324 | __field_desc( s64, timestamp, tv_sec ) | |
e7c15cd8 | 325 | __field_desc( long, timestamp, tv_nsec ) |
7b2c8625 | 326 | __field( unsigned int, nmi_count ) |
e7c15cd8 | 327 | __field( unsigned int, seqnum ) |
b396bfde | 328 | __field( unsigned int, count ) |
e7c15cd8 SRRH |
329 | ), |
330 | ||
b396bfde | 331 | F_printk("cnt:%u\tts:%010llu.%010lu\tinner:%llu\touter:%llu\tcount:%d\tnmi-ts:%llu\tnmi-count:%u\n", |
e7c15cd8 SRRH |
332 | __entry->seqnum, |
333 | __entry->tv_sec, | |
334 | __entry->tv_nsec, | |
335 | __entry->duration, | |
7b2c8625 | 336 | __entry->outer_duration, |
b396bfde | 337 | __entry->count, |
7b2c8625 | 338 | __entry->nmi_total_ts, |
04ae87a5 | 339 | __entry->nmi_count) |
e7c15cd8 | 340 | ); |