Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
bac5fb97 | 2 | |
645df987 SRRH |
3 | #ifndef _LINUX_TRACE_EVENT_H |
4 | #define _LINUX_TRACE_EVENT_H | |
97f20251 | 5 | |
97f20251 | 6 | #include <linux/ring_buffer.h> |
16bb8eb1 | 7 | #include <linux/trace_seq.h> |
be74b73a | 8 | #include <linux/percpu.h> |
20ab4425 | 9 | #include <linux/hardirq.h> |
430ad5a6 | 10 | #include <linux/perf_event.h> |
de7b2973 | 11 | #include <linux/tracepoint.h> |
97f20251 SR |
12 | |
13 | struct trace_array; | |
1c5eb448 | 14 | struct array_buffer; |
97f20251 | 15 | struct tracer; |
6d723736 | 16 | struct dentry; |
2541517c | 17 | struct bpf_prog; |
97f20251 | 18 | |
645df987 SRRH |
19 | const char *trace_print_flags_seq(struct trace_seq *p, const char *delim, |
20 | unsigned long flags, | |
21 | const struct trace_print_flags *flag_array); | |
be74b73a | 22 | |
645df987 SRRH |
23 | const char *trace_print_symbols_seq(struct trace_seq *p, unsigned long val, |
24 | const struct trace_print_flags *symbol_array); | |
0f4fc29d | 25 | |
2fc1b6f0 | 26 | #if BITS_PER_LONG == 32 |
d3213e8f RZ |
27 | const char *trace_print_flags_seq_u64(struct trace_seq *p, const char *delim, |
28 | unsigned long long flags, | |
29 | const struct trace_print_flags_u64 *flag_array); | |
30 | ||
645df987 SRRH |
31 | const char *trace_print_symbols_seq_u64(struct trace_seq *p, |
32 | unsigned long long val, | |
33 | const struct trace_print_flags_u64 | |
2fc1b6f0 | 34 | *symbol_array); |
35 | #endif | |
36 | ||
645df987 SRRH |
37 | const char *trace_print_bitmask_seq(struct trace_seq *p, void *bitmask_ptr, |
38 | unsigned int bitmask_size); | |
4449bf92 | 39 | |
645df987 | 40 | const char *trace_print_hex_seq(struct trace_seq *p, |
2acae0d5 | 41 | const unsigned char *buf, int len, |
3898fac1 | 42 | bool concatenate); |
5a2e3995 | 43 | |
645df987 | 44 | const char *trace_print_array_seq(struct trace_seq *p, |
ac01ce14 | 45 | const void *buf, int count, |
6ea22486 DM |
46 | size_t el_size); |
47 | ||
ef56e047 PM |
48 | const char * |
49 | trace_print_hex_dump_seq(struct trace_seq *p, const char *prefix_str, | |
50 | int prefix_type, int rowsize, int groupsize, | |
51 | const void *buf, size_t len, bool ascii); | |
52 | ||
f71130de LZ |
53 | struct trace_iterator; |
54 | struct trace_event; | |
55 | ||
892c505a SRRH |
56 | int trace_raw_output_prep(struct trace_iterator *iter, |
57 | struct trace_event *event); | |
efbbdaa2 MH |
58 | extern __printf(2, 3) |
59 | void trace_event_printf(struct trace_iterator *iter, const char *fmt, ...); | |
f71130de | 60 | |
97f20251 SR |
61 | /* |
62 | * The trace entry - the most basic unit of tracing. This is what | |
63 | * is printed in the end as a single line in the trace output, such as: | |
64 | * | |
65 | * bash-15816 [01] 235.197585: idle_cpu <- irq_enter | |
66 | */ | |
67 | struct trace_entry { | |
89ec0dee | 68 | unsigned short type; |
97f20251 SR |
69 | unsigned char flags; |
70 | unsigned char preempt_count; | |
71 | int pid; | |
97f20251 SR |
72 | }; |
73 | ||
609a7404 | 74 | #define TRACE_EVENT_TYPE_MAX \ |
89ec0dee SR |
75 | ((1 << (sizeof(((struct trace_entry *)0)->type) * 8)) - 1) |
76 | ||
97f20251 SR |
77 | /* |
78 | * Trace iterator - used by printout routines who present trace | |
79 | * results to users and which routines might sleep, etc: | |
80 | */ | |
81 | struct trace_iterator { | |
82 | struct trace_array *tr; | |
83 | struct tracer *trace; | |
1c5eb448 | 84 | struct array_buffer *array_buffer; |
97f20251 SR |
85 | void *private; |
86 | int cpu_file; | |
87 | struct mutex mutex; | |
6d158a81 | 88 | struct ring_buffer_iter **buffer_iter; |
112f38a7 | 89 | unsigned long iter_flags; |
ff895103 SRV |
90 | void *temp; /* temp holder */ |
91 | unsigned int temp_size; | |
efbbdaa2 MH |
92 | char *fmt; /* modified format holder */ |
93 | unsigned int fmt_size; | |
97f20251 | 94 | |
bc289ae9 LJ |
95 | /* trace_seq for __print_flags() and __print_symbolic() etc. */ |
96 | struct trace_seq tmp_seq; | |
97 | ||
ed5467da AV |
98 | cpumask_var_t started; |
99 | ||
100 | /* it's true when current open file is snapshot */ | |
101 | bool snapshot; | |
102 | ||
97f20251 SR |
103 | /* The below is zeroed out in pipe_read */ |
104 | struct trace_seq seq; | |
105 | struct trace_entry *ent; | |
bc21b478 | 106 | unsigned long lost_events; |
a63ce5b3 | 107 | int leftover; |
4a9bd3f1 | 108 | int ent_size; |
97f20251 SR |
109 | int cpu; |
110 | u64 ts; | |
111 | ||
97f20251 SR |
112 | loff_t pos; |
113 | long idx; | |
114 | ||
ed5467da | 115 | /* All new field here will be zeroed out in pipe_read */ |
97f20251 SR |
116 | }; |
117 | ||
8be0709f DS |
118 | enum trace_iter_flags { |
119 | TRACE_FILE_LAT_FMT = 1, | |
120 | TRACE_FILE_ANNOTATE = 2, | |
121 | TRACE_FILE_TIME_IN_NS = 4, | |
122 | }; | |
123 | ||
97f20251 SR |
124 | |
125 | typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter, | |
a9a57763 SR |
126 | int flags, struct trace_event *event); |
127 | ||
128 | struct trace_event_functions { | |
97f20251 SR |
129 | trace_print_func trace; |
130 | trace_print_func raw; | |
131 | trace_print_func hex; | |
132 | trace_print_func binary; | |
133 | }; | |
134 | ||
a9a57763 SR |
135 | struct trace_event { |
136 | struct hlist_node node; | |
137 | struct list_head list; | |
138 | int type; | |
139 | struct trace_event_functions *funcs; | |
140 | }; | |
141 | ||
9023c930 SRRH |
142 | extern int register_trace_event(struct trace_event *event); |
143 | extern int unregister_trace_event(struct trace_event *event); | |
97f20251 SR |
144 | |
145 | /* Return values for print_line callback */ | |
146 | enum print_line_t { | |
147 | TRACE_TYPE_PARTIAL_LINE = 0, /* Retry after flushing the seq */ | |
148 | TRACE_TYPE_HANDLED = 1, | |
149 | TRACE_TYPE_UNHANDLED = 2, /* Relay to other output functions */ | |
150 | TRACE_TYPE_NO_CONSUME = 3 /* Handled but ask to not consume */ | |
151 | }; | |
152 | ||
af0009fc | 153 | enum print_line_t trace_handle_return(struct trace_seq *s); |
19a7fe20 | 154 | |
36590c50 SAS |
155 | static inline void tracing_generic_entry_update(struct trace_entry *entry, |
156 | unsigned short type, | |
157 | unsigned int trace_ctx) | |
158 | { | |
36590c50 | 159 | entry->preempt_count = trace_ctx & 0xff; |
58177084 | 160 | entry->pid = current->pid; |
36590c50 SAS |
161 | entry->type = type; |
162 | entry->flags = trace_ctx >> 16; | |
163 | } | |
164 | ||
0c02006e SAS |
165 | unsigned int tracing_gen_ctx_irq_test(unsigned int irqs_status); |
166 | ||
167 | enum trace_flag_type { | |
168 | TRACE_FLAG_IRQS_OFF = 0x01, | |
169 | TRACE_FLAG_IRQS_NOSUPPORT = 0x02, | |
170 | TRACE_FLAG_NEED_RESCHED = 0x04, | |
171 | TRACE_FLAG_HARDIRQ = 0x08, | |
172 | TRACE_FLAG_SOFTIRQ = 0x10, | |
173 | TRACE_FLAG_PREEMPT_RESCHED = 0x20, | |
174 | TRACE_FLAG_NMI = 0x40, | |
175 | }; | |
176 | ||
177 | #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT | |
178 | static inline unsigned int tracing_gen_ctx_flags(unsigned long irqflags) | |
179 | { | |
180 | unsigned int irq_status = irqs_disabled_flags(irqflags) ? | |
181 | TRACE_FLAG_IRQS_OFF : 0; | |
182 | return tracing_gen_ctx_irq_test(irq_status); | |
183 | } | |
184 | static inline unsigned int tracing_gen_ctx(void) | |
185 | { | |
186 | unsigned long irqflags; | |
187 | ||
188 | local_save_flags(irqflags); | |
189 | return tracing_gen_ctx_flags(irqflags); | |
190 | } | |
191 | #else | |
192 | ||
193 | static inline unsigned int tracing_gen_ctx_flags(unsigned long irqflags) | |
194 | { | |
195 | return tracing_gen_ctx_irq_test(TRACE_FLAG_IRQS_NOSUPPORT); | |
196 | } | |
197 | static inline unsigned int tracing_gen_ctx(void) | |
198 | { | |
199 | return tracing_gen_ctx_irq_test(TRACE_FLAG_IRQS_NOSUPPORT); | |
200 | } | |
201 | #endif | |
202 | ||
203 | static inline unsigned int tracing_gen_ctx_dec(void) | |
204 | { | |
205 | unsigned int trace_ctx; | |
206 | ||
207 | trace_ctx = tracing_gen_ctx(); | |
208 | /* | |
f2cc020d | 209 | * Subtract one from the preemption counter if preemption is enabled, |
0c02006e SAS |
210 | * see trace_event_buffer_reserve()for details. |
211 | */ | |
212 | if (IS_ENABLED(CONFIG_PREEMPTION)) | |
213 | trace_ctx--; | |
214 | return trace_ctx; | |
215 | } | |
36590c50 | 216 | |
7f1d2f82 | 217 | struct trace_event_file; |
ccb469a1 SR |
218 | |
219 | struct ring_buffer_event * | |
13292494 | 220 | trace_event_buffer_lock_reserve(struct trace_buffer **current_buffer, |
7f1d2f82 | 221 | struct trace_event_file *trace_file, |
ccb469a1 | 222 | int type, unsigned long len, |
36590c50 | 223 | unsigned int trace_ctx); |
97f20251 | 224 | |
d914ba37 JF |
225 | #define TRACE_RECORD_CMDLINE BIT(0) |
226 | #define TRACE_RECORD_TGID BIT(1) | |
227 | ||
228 | void tracing_record_taskinfo(struct task_struct *task, int flags); | |
229 | void tracing_record_taskinfo_sched_switch(struct task_struct *prev, | |
230 | struct task_struct *next, int flags); | |
231 | ||
232 | void tracing_record_cmdline(struct task_struct *task); | |
233 | void tracing_record_tgid(struct task_struct *task); | |
97f20251 | 234 | |
892c505a | 235 | int trace_output_call(struct trace_iterator *iter, char *name, char *fmt, ...); |
1d6bae96 | 236 | |
1f9963cb LZ |
237 | struct event_filter; |
238 | ||
2239291a SR |
239 | enum trace_reg { |
240 | TRACE_REG_REGISTER, | |
241 | TRACE_REG_UNREGISTER, | |
37d73998 | 242 | #ifdef CONFIG_PERF_EVENTS |
2239291a SR |
243 | TRACE_REG_PERF_REGISTER, |
244 | TRACE_REG_PERF_UNREGISTER, | |
ceec0b6f JO |
245 | TRACE_REG_PERF_OPEN, |
246 | TRACE_REG_PERF_CLOSE, | |
466c81c4 PZ |
247 | /* |
248 | * These (ADD/DEL) use a 'boolean' return value, where 1 (true) means a | |
249 | * custom action was taken and the default action is not to be | |
250 | * performed. | |
251 | */ | |
489c75c3 JO |
252 | TRACE_REG_PERF_ADD, |
253 | TRACE_REG_PERF_DEL, | |
37d73998 | 254 | #endif |
2239291a SR |
255 | }; |
256 | ||
2425bcb9 | 257 | struct trace_event_call; |
2239291a | 258 | |
04ae87a5 PZ |
259 | #define TRACE_FUNCTION_TYPE ((const char *)~0UL) |
260 | ||
261 | struct trace_event_fields { | |
262 | const char *type; | |
263 | union { | |
264 | struct { | |
265 | const char *name; | |
266 | const int size; | |
267 | const int align; | |
268 | const int is_signed; | |
269 | const int filter_type; | |
270 | }; | |
271 | int (*define_fields)(struct trace_event_call *); | |
272 | }; | |
273 | }; | |
274 | ||
2425bcb9 | 275 | struct trace_event_class { |
acd388fd | 276 | const char *system; |
2239291a SR |
277 | void *probe; |
278 | #ifdef CONFIG_PERF_EVENTS | |
279 | void *perf_probe; | |
280 | #endif | |
2425bcb9 | 281 | int (*reg)(struct trace_event_call *event, |
ceec0b6f | 282 | enum trace_reg type, void *data); |
04ae87a5 | 283 | struct trace_event_fields *fields_array; |
2425bcb9 | 284 | struct list_head *(*get_fields)(struct trace_event_call *); |
2e33af02 | 285 | struct list_head fields; |
2425bcb9 | 286 | int (*raw_init)(struct trace_event_call *); |
8f082018 SR |
287 | }; |
288 | ||
2425bcb9 | 289 | extern int trace_event_reg(struct trace_event_call *event, |
ceec0b6f | 290 | enum trace_reg type, void *data); |
a1d0ce82 | 291 | |
3f795dcf | 292 | struct trace_event_buffer { |
13292494 | 293 | struct trace_buffer *buffer; |
3fd40d1e | 294 | struct ring_buffer_event *event; |
7f1d2f82 | 295 | struct trace_event_file *trace_file; |
3fd40d1e | 296 | void *entry; |
36590c50 | 297 | unsigned int trace_ctx; |
8cfcf155 | 298 | struct pt_regs *regs; |
3fd40d1e SR |
299 | }; |
300 | ||
3f795dcf | 301 | void *trace_event_buffer_reserve(struct trace_event_buffer *fbuffer, |
7f1d2f82 | 302 | struct trace_event_file *trace_file, |
3fd40d1e SR |
303 | unsigned long len); |
304 | ||
3f795dcf | 305 | void trace_event_buffer_commit(struct trace_event_buffer *fbuffer); |
3fd40d1e | 306 | |
553552ce | 307 | enum { |
553552ce | 308 | TRACE_EVENT_FL_FILTERED_BIT, |
61c32659 | 309 | TRACE_EVENT_FL_CAP_ANY_BIT, |
27b14b56 | 310 | TRACE_EVENT_FL_NO_SET_FILTER_BIT, |
9b63776f | 311 | TRACE_EVENT_FL_IGNORE_ENABLE_BIT, |
de7b2973 | 312 | TRACE_EVENT_FL_TRACEPOINT_BIT, |
8b0e6c74 | 313 | TRACE_EVENT_FL_DYNAMIC_BIT, |
72cbbc89 | 314 | TRACE_EVENT_FL_KPROBE_BIT, |
04a22fae | 315 | TRACE_EVENT_FL_UPROBE_BIT, |
7491e2c4 | 316 | TRACE_EVENT_FL_EPROBE_BIT, |
553552ce SR |
317 | }; |
318 | ||
ae63b31e SR |
319 | /* |
320 | * Event flags: | |
321 | * FILTERED - The event has a filter attached | |
322 | * CAP_ANY - Any user can enable for perf | |
323 | * NO_SET_FILTER - Set when filter has error and is to be ignored | |
5d6ad960 | 324 | * IGNORE_ENABLE - For trace internal events, do not enable with debugfs file |
de7b2973 | 325 | * TRACEPOINT - Event is a tracepoint |
8b0e6c74 | 326 | * DYNAMIC - Event is a dynamic event (created at run time) |
72cbbc89 | 327 | * KPROBE - Event is a kprobe |
04a22fae | 328 | * UPROBE - Event is a uprobe |
7491e2c4 | 329 | * EPROBE - Event is an event probe |
ae63b31e | 330 | */ |
553552ce | 331 | enum { |
e870e9a1 | 332 | TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), |
61c32659 | 333 | TRACE_EVENT_FL_CAP_ANY = (1 << TRACE_EVENT_FL_CAP_ANY_BIT), |
27b14b56 | 334 | TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT), |
9b63776f | 335 | TRACE_EVENT_FL_IGNORE_ENABLE = (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT), |
de7b2973 | 336 | TRACE_EVENT_FL_TRACEPOINT = (1 << TRACE_EVENT_FL_TRACEPOINT_BIT), |
8b0e6c74 | 337 | TRACE_EVENT_FL_DYNAMIC = (1 << TRACE_EVENT_FL_DYNAMIC_BIT), |
72cbbc89 | 338 | TRACE_EVENT_FL_KPROBE = (1 << TRACE_EVENT_FL_KPROBE_BIT), |
04a22fae | 339 | TRACE_EVENT_FL_UPROBE = (1 << TRACE_EVENT_FL_UPROBE_BIT), |
7491e2c4 | 340 | TRACE_EVENT_FL_EPROBE = (1 << TRACE_EVENT_FL_EPROBE_BIT), |
553552ce SR |
341 | }; |
342 | ||
04a22fae WN |
343 | #define TRACE_EVENT_FL_UKPROBE (TRACE_EVENT_FL_KPROBE | TRACE_EVENT_FL_UPROBE) |
344 | ||
2425bcb9 | 345 | struct trace_event_call { |
a59fd602 | 346 | struct list_head list; |
2425bcb9 | 347 | struct trace_event_class *class; |
de7b2973 MD |
348 | union { |
349 | char *name; | |
350 | /* Set TRACE_EVENT_FL_TRACEPOINT flag when using "tp" */ | |
351 | struct tracepoint *tp; | |
352 | }; | |
80decc70 | 353 | struct trace_event event; |
0c564a53 | 354 | char *print_fmt; |
1f9963cb | 355 | struct event_filter *filter; |
1d18538e SRV |
356 | /* |
357 | * Static events can disappear with modules, | |
358 | * where as dynamic ones need their own ref count. | |
359 | */ | |
360 | union { | |
361 | void *module; | |
362 | atomic_t refcnt; | |
363 | }; | |
69fd4f0e | 364 | void *data; |
f9f34447 SRV |
365 | |
366 | /* See the TRACE_EVENT_FL_* flags above */ | |
ae63b31e SR |
367 | int flags; /* static flags of different events */ |
368 | ||
369 | #ifdef CONFIG_PERF_EVENTS | |
370 | int perf_refcount; | |
371 | struct hlist_head __percpu *perf_events; | |
e87c6bc3 | 372 | struct bpf_prog_array __rcu *prog_array; |
d5b5f391 | 373 | |
2425bcb9 | 374 | int (*perf_perm)(struct trace_event_call *, |
d5b5f391 | 375 | struct perf_event *); |
ae63b31e SR |
376 | #endif |
377 | }; | |
378 | ||
1d18538e SRV |
379 | #ifdef CONFIG_DYNAMIC_EVENTS |
380 | bool trace_event_dyn_try_get_ref(struct trace_event_call *call); | |
381 | void trace_event_dyn_put_ref(struct trace_event_call *call); | |
382 | bool trace_event_dyn_busy(struct trace_event_call *call); | |
383 | #else | |
384 | static inline bool trace_event_dyn_try_get_ref(struct trace_event_call *call) | |
385 | { | |
386 | /* Without DYNAMIC_EVENTS configured, nothing should be calling this */ | |
387 | return false; | |
388 | } | |
389 | static inline void trace_event_dyn_put_ref(struct trace_event_call *call) | |
390 | { | |
391 | } | |
392 | static inline bool trace_event_dyn_busy(struct trace_event_call *call) | |
393 | { | |
394 | /* Nothing should call this without DYNAIMIC_EVENTS configured. */ | |
395 | return true; | |
396 | } | |
397 | #endif | |
398 | ||
399 | static inline bool trace_event_try_get_ref(struct trace_event_call *call) | |
400 | { | |
401 | if (call->flags & TRACE_EVENT_FL_DYNAMIC) | |
402 | return trace_event_dyn_try_get_ref(call); | |
403 | else | |
404 | return try_module_get(call->module); | |
405 | } | |
406 | ||
407 | static inline void trace_event_put_ref(struct trace_event_call *call) | |
408 | { | |
409 | if (call->flags & TRACE_EVENT_FL_DYNAMIC) | |
410 | trace_event_dyn_put_ref(call); | |
411 | else | |
412 | module_put(call->module); | |
413 | } | |
414 | ||
e87c6bc3 YS |
415 | #ifdef CONFIG_PERF_EVENTS |
416 | static inline bool bpf_prog_array_valid(struct trace_event_call *call) | |
417 | { | |
418 | /* | |
419 | * This inline function checks whether call->prog_array | |
420 | * is valid or not. The function is called in various places, | |
421 | * outside rcu_read_lock/unlock, as a heuristic to speed up execution. | |
422 | * | |
423 | * If this function returns true, and later call->prog_array | |
424 | * becomes false inside rcu_read_lock/unlock region, | |
425 | * we bail out then. If this function return false, | |
426 | * there is a risk that we might miss a few events if the checking | |
427 | * were delayed until inside rcu_read_lock/unlock region and | |
428 | * call->prog_array happened to become non-NULL then. | |
429 | * | |
430 | * Here, READ_ONCE() is used instead of rcu_access_pointer(). | |
431 | * rcu_access_pointer() requires the actual definition of | |
432 | * "struct bpf_prog_array" while READ_ONCE() only needs | |
433 | * a declaration of the same type. | |
434 | */ | |
435 | return !!READ_ONCE(call->prog_array); | |
436 | } | |
437 | #endif | |
438 | ||
de7b2973 | 439 | static inline const char * |
687fcc4a | 440 | trace_event_name(struct trace_event_call *call) |
de7b2973 MD |
441 | { |
442 | if (call->flags & TRACE_EVENT_FL_TRACEPOINT) | |
443 | return call->tp ? call->tp->name : NULL; | |
444 | else | |
445 | return call->name; | |
446 | } | |
447 | ||
0aeb1def CW |
448 | static inline struct list_head * |
449 | trace_get_fields(struct trace_event_call *event_call) | |
450 | { | |
451 | if (!event_call->class->get_fields) | |
452 | return &event_call->class->fields; | |
453 | return event_call->class->get_fields(event_call); | |
454 | } | |
455 | ||
7967b3e0 | 456 | struct trace_subsystem_dir; |
ae63b31e SR |
457 | |
458 | enum { | |
5d6ad960 SRRH |
459 | EVENT_FILE_FL_ENABLED_BIT, |
460 | EVENT_FILE_FL_RECORDED_CMD_BIT, | |
d914ba37 | 461 | EVENT_FILE_FL_RECORDED_TGID_BIT, |
5d6ad960 SRRH |
462 | EVENT_FILE_FL_FILTERED_BIT, |
463 | EVENT_FILE_FL_NO_SET_FILTER_BIT, | |
464 | EVENT_FILE_FL_SOFT_MODE_BIT, | |
465 | EVENT_FILE_FL_SOFT_DISABLED_BIT, | |
466 | EVENT_FILE_FL_TRIGGER_MODE_BIT, | |
467 | EVENT_FILE_FL_TRIGGER_COND_BIT, | |
3fdaf80f | 468 | EVENT_FILE_FL_PID_FILTER_BIT, |
065e63f9 | 469 | EVENT_FILE_FL_WAS_ENABLED_BIT, |
ae63b31e SR |
470 | }; |
471 | ||
e3e2a2cc TZ |
472 | extern struct trace_event_file *trace_get_event_file(const char *instance, |
473 | const char *system, | |
474 | const char *event); | |
475 | extern void trace_put_event_file(struct trace_event_file *file); | |
476 | ||
86c5426b TZ |
477 | #define MAX_DYNEVENT_CMD_LEN (2048) |
478 | ||
479 | enum dynevent_type { | |
35ca5207 | 480 | DYNEVENT_TYPE_SYNTH = 1, |
2a588dd1 | 481 | DYNEVENT_TYPE_KPROBE, |
86c5426b TZ |
482 | DYNEVENT_TYPE_NONE, |
483 | }; | |
484 | ||
485 | struct dynevent_cmd; | |
486 | ||
487 | typedef int (*dynevent_create_fn_t)(struct dynevent_cmd *cmd); | |
488 | ||
489 | struct dynevent_cmd { | |
2b90927c | 490 | struct seq_buf seq; |
86c5426b | 491 | const char *event_name; |
86c5426b TZ |
492 | unsigned int n_fields; |
493 | enum dynevent_type type; | |
494 | dynevent_create_fn_t run_command; | |
495 | void *private_data; | |
496 | }; | |
497 | ||
498 | extern int dynevent_create(struct dynevent_cmd *cmd); | |
499 | ||
f5f6b255 TZ |
500 | extern int synth_event_delete(const char *name); |
501 | ||
35ca5207 TZ |
502 | extern void synth_event_cmd_init(struct dynevent_cmd *cmd, |
503 | char *buf, int maxlen); | |
504 | ||
505 | extern int __synth_event_gen_cmd_start(struct dynevent_cmd *cmd, | |
506 | const char *name, | |
507 | struct module *mod, ...); | |
508 | ||
509 | #define synth_event_gen_cmd_start(cmd, name, mod, ...) \ | |
510 | __synth_event_gen_cmd_start(cmd, name, mod, ## __VA_ARGS__, NULL) | |
511 | ||
512 | struct synth_field_desc { | |
513 | const char *type; | |
514 | const char *name; | |
515 | }; | |
516 | ||
517 | extern int synth_event_gen_cmd_array_start(struct dynevent_cmd *cmd, | |
518 | const char *name, | |
519 | struct module *mod, | |
520 | struct synth_field_desc *fields, | |
521 | unsigned int n_fields); | |
522 | extern int synth_event_create(const char *name, | |
523 | struct synth_field_desc *fields, | |
524 | unsigned int n_fields, struct module *mod); | |
525 | ||
526 | extern int synth_event_add_field(struct dynevent_cmd *cmd, | |
527 | const char *type, | |
528 | const char *name); | |
529 | extern int synth_event_add_field_str(struct dynevent_cmd *cmd, | |
530 | const char *type_name); | |
531 | extern int synth_event_add_fields(struct dynevent_cmd *cmd, | |
532 | struct synth_field_desc *fields, | |
533 | unsigned int n_fields); | |
534 | ||
535 | #define synth_event_gen_cmd_end(cmd) \ | |
536 | dynevent_create(cmd) | |
537 | ||
8dcc53ad TZ |
538 | struct synth_event; |
539 | ||
540 | struct synth_event_trace_state { | |
541 | struct trace_event_buffer fbuffer; | |
542 | struct synth_trace_event *entry; | |
543 | struct trace_buffer *buffer; | |
544 | struct synth_event *event; | |
545 | unsigned int cur_field; | |
546 | unsigned int n_u64; | |
7276531d | 547 | bool disabled; |
8dcc53ad TZ |
548 | bool add_next; |
549 | bool add_name; | |
550 | }; | |
551 | ||
552 | extern int synth_event_trace(struct trace_event_file *file, | |
553 | unsigned int n_vals, ...); | |
554 | extern int synth_event_trace_array(struct trace_event_file *file, u64 *vals, | |
555 | unsigned int n_vals); | |
556 | extern int synth_event_trace_start(struct trace_event_file *file, | |
557 | struct synth_event_trace_state *trace_state); | |
558 | extern int synth_event_add_next_val(u64 val, | |
559 | struct synth_event_trace_state *trace_state); | |
560 | extern int synth_event_add_val(const char *field_name, u64 val, | |
561 | struct synth_event_trace_state *trace_state); | |
562 | extern int synth_event_trace_end(struct synth_event_trace_state *trace_state); | |
563 | ||
2a588dd1 TZ |
564 | extern int kprobe_event_delete(const char *name); |
565 | ||
566 | extern void kprobe_event_cmd_init(struct dynevent_cmd *cmd, | |
567 | char *buf, int maxlen); | |
568 | ||
569 | #define kprobe_event_gen_cmd_start(cmd, name, loc, ...) \ | |
570 | __kprobe_event_gen_cmd_start(cmd, false, name, loc, ## __VA_ARGS__, NULL) | |
571 | ||
572 | #define kretprobe_event_gen_cmd_start(cmd, name, loc, ...) \ | |
573 | __kprobe_event_gen_cmd_start(cmd, true, name, loc, ## __VA_ARGS__, NULL) | |
574 | ||
575 | extern int __kprobe_event_gen_cmd_start(struct dynevent_cmd *cmd, | |
576 | bool kretprobe, | |
577 | const char *name, | |
578 | const char *loc, ...); | |
579 | ||
580 | #define kprobe_event_add_fields(cmd, ...) \ | |
581 | __kprobe_event_add_fields(cmd, ## __VA_ARGS__, NULL) | |
582 | ||
583 | #define kprobe_event_add_field(cmd, field) \ | |
584 | __kprobe_event_add_fields(cmd, field, NULL) | |
585 | ||
586 | extern int __kprobe_event_add_fields(struct dynevent_cmd *cmd, ...); | |
587 | ||
588 | #define kprobe_event_gen_cmd_end(cmd) \ | |
589 | dynevent_create(cmd) | |
590 | ||
591 | #define kretprobe_event_gen_cmd_end(cmd) \ | |
592 | dynevent_create(cmd) | |
593 | ||
ae63b31e | 594 | /* |
5d6ad960 | 595 | * Event file flags: |
57d01ad0 | 596 | * ENABLED - The event is enabled |
ae63b31e | 597 | * RECORDED_CMD - The comms should be recorded at sched_switch |
d914ba37 | 598 | * RECORDED_TGID - The tgids should be recorded at sched_switch |
f306cc82 TZ |
599 | * FILTERED - The event has a filter attached |
600 | * NO_SET_FILTER - Set when filter has error and is to be ignored | |
417944c4 SRRH |
601 | * SOFT_MODE - The event is enabled/disabled by SOFT_DISABLED |
602 | * SOFT_DISABLED - When set, do not trace the event (even though its | |
603 | * tracepoint may be enabled) | |
85f2b082 | 604 | * TRIGGER_MODE - When set, invoke the triggers associated with the event |
bac5fb97 | 605 | * TRIGGER_COND - When set, one or more triggers has an associated filter |
3fdaf80f | 606 | * PID_FILTER - When set, the event is filtered based on pid |
065e63f9 | 607 | * WAS_ENABLED - Set when enabled to know to clear trace on module removal |
ae63b31e SR |
608 | */ |
609 | enum { | |
5d6ad960 SRRH |
610 | EVENT_FILE_FL_ENABLED = (1 << EVENT_FILE_FL_ENABLED_BIT), |
611 | EVENT_FILE_FL_RECORDED_CMD = (1 << EVENT_FILE_FL_RECORDED_CMD_BIT), | |
d914ba37 | 612 | EVENT_FILE_FL_RECORDED_TGID = (1 << EVENT_FILE_FL_RECORDED_TGID_BIT), |
5d6ad960 SRRH |
613 | EVENT_FILE_FL_FILTERED = (1 << EVENT_FILE_FL_FILTERED_BIT), |
614 | EVENT_FILE_FL_NO_SET_FILTER = (1 << EVENT_FILE_FL_NO_SET_FILTER_BIT), | |
615 | EVENT_FILE_FL_SOFT_MODE = (1 << EVENT_FILE_FL_SOFT_MODE_BIT), | |
616 | EVENT_FILE_FL_SOFT_DISABLED = (1 << EVENT_FILE_FL_SOFT_DISABLED_BIT), | |
617 | EVENT_FILE_FL_TRIGGER_MODE = (1 << EVENT_FILE_FL_TRIGGER_MODE_BIT), | |
618 | EVENT_FILE_FL_TRIGGER_COND = (1 << EVENT_FILE_FL_TRIGGER_COND_BIT), | |
3fdaf80f | 619 | EVENT_FILE_FL_PID_FILTER = (1 << EVENT_FILE_FL_PID_FILTER_BIT), |
065e63f9 | 620 | EVENT_FILE_FL_WAS_ENABLED = (1 << EVENT_FILE_FL_WAS_ENABLED_BIT), |
ae63b31e SR |
621 | }; |
622 | ||
7f1d2f82 | 623 | struct trace_event_file { |
ae63b31e | 624 | struct list_head list; |
2425bcb9 | 625 | struct trace_event_call *event_call; |
f86f4180 | 626 | struct event_filter __rcu *filter; |
ae63b31e SR |
627 | struct dentry *dir; |
628 | struct trace_array *tr; | |
7967b3e0 | 629 | struct trace_subsystem_dir *system; |
85f2b082 | 630 | struct list_head triggers; |
97f20251 | 631 | |
553552ce SR |
632 | /* |
633 | * 32 bit flags: | |
57d01ad0 SRRH |
634 | * bit 0: enabled |
635 | * bit 1: enabled cmd record | |
417944c4 SRRH |
636 | * bit 2: enable/disable with the soft disable bit |
637 | * bit 3: soft disabled | |
85f2b082 | 638 | * bit 4: trigger enabled |
553552ce | 639 | * |
417944c4 SRRH |
640 | * Note: The bits must be set atomically to prevent races |
641 | * from other writers. Reads of flags do not need to be in | |
642 | * sync as they occur in critical sections. But the way flags | |
ae63b31e | 643 | * is currently used, these changes do not affect the code |
1eaa4787 SR |
644 | * except that when a change is made, it may have a slight |
645 | * delay in propagating the changes to other CPUs due to | |
417944c4 | 646 | * caching and such. Which is mostly OK ;-) |
553552ce | 647 | */ |
417944c4 | 648 | unsigned long flags; |
1cf4c073 | 649 | atomic_t sm_ref; /* soft-mode reference counter */ |
85f2b082 | 650 | atomic_t tm_ref; /* trigger-mode reference counter */ |
97f20251 SR |
651 | }; |
652 | ||
53cf810b FW |
653 | #define __TRACE_EVENT_FLAGS(name, value) \ |
654 | static int __init trace_init_flags_##name(void) \ | |
655 | { \ | |
de7b2973 | 656 | event_##name.flags |= value; \ |
53cf810b FW |
657 | return 0; \ |
658 | } \ | |
659 | early_initcall(trace_init_flags_##name); | |
660 | ||
d5b5f391 | 661 | #define __TRACE_EVENT_PERF_PERM(name, expr...) \ |
2425bcb9 | 662 | static int perf_perm_##name(struct trace_event_call *tp_event, \ |
d5b5f391 PZ |
663 | struct perf_event *p_event) \ |
664 | { \ | |
665 | return ({ expr; }); \ | |
666 | } \ | |
667 | static int __init trace_init_perf_perm_##name(void) \ | |
668 | { \ | |
669 | event_##name.perf_perm = &perf_perm_##name; \ | |
670 | return 0; \ | |
671 | } \ | |
672 | early_initcall(trace_init_perf_perm_##name); | |
673 | ||
97d5a220 | 674 | #define PERF_MAX_TRACE_SIZE 2048 |
20ab4425 | 675 | |
16bb8eb1 | 676 | #define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */ |
97f20251 | 677 | |
85f2b082 TZ |
678 | enum event_trigger_type { |
679 | ETT_NONE = (0), | |
2a2df321 | 680 | ETT_TRACE_ONOFF = (1 << 0), |
93e31ffb | 681 | ETT_SNAPSHOT = (1 << 1), |
f21ecbb3 | 682 | ETT_STACKTRACE = (1 << 2), |
7862ad18 | 683 | ETT_EVENT_ENABLE = (1 << 3), |
7ef224d1 | 684 | ETT_EVENT_HIST = (1 << 4), |
d0bad49b | 685 | ETT_HIST_ENABLE = (1 << 5), |
7491e2c4 | 686 | ETT_EVENT_EPROBE = (1 << 6), |
85f2b082 TZ |
687 | }; |
688 | ||
6fb2915d | 689 | extern int filter_match_preds(struct event_filter *filter, void *rec); |
f306cc82 | 690 | |
1ac4f51c | 691 | extern enum event_trigger_type |
b47e3302 SRV |
692 | event_triggers_call(struct trace_event_file *file, |
693 | struct trace_buffer *buffer, void *rec, | |
1ac4f51c TZ |
694 | struct ring_buffer_event *event); |
695 | extern void | |
696 | event_triggers_post_call(struct trace_event_file *file, | |
c94e45bc | 697 | enum event_trigger_type tt); |
97f20251 | 698 | |
3fdaf80f SRRH |
699 | bool trace_event_ignore_this_pid(struct trace_event_file *trace_file); |
700 | ||
13a1e4ae | 701 | /** |
09a5059a | 702 | * trace_trigger_soft_disabled - do triggers and test if soft disabled |
13a1e4ae SRRH |
703 | * @file: The file pointer of the event to test |
704 | * | |
705 | * If any triggers without filters are attached to this event, they | |
706 | * will be called here. If the event is soft disabled and has no | |
707 | * triggers that require testing the fields, it will return true, | |
708 | * otherwise false. | |
709 | */ | |
710 | static inline bool | |
09a5059a | 711 | trace_trigger_soft_disabled(struct trace_event_file *file) |
13a1e4ae SRRH |
712 | { |
713 | unsigned long eflags = file->flags; | |
714 | ||
5d6ad960 SRRH |
715 | if (!(eflags & EVENT_FILE_FL_TRIGGER_COND)) { |
716 | if (eflags & EVENT_FILE_FL_TRIGGER_MODE) | |
b47e3302 | 717 | event_triggers_call(file, NULL, NULL, NULL); |
5d6ad960 | 718 | if (eflags & EVENT_FILE_FL_SOFT_DISABLED) |
13a1e4ae | 719 | return true; |
3fdaf80f SRRH |
720 | if (eflags & EVENT_FILE_FL_PID_FILTER) |
721 | return trace_event_ignore_this_pid(file); | |
13a1e4ae SRRH |
722 | } |
723 | return false; | |
724 | } | |
725 | ||
098d2164 | 726 | #ifdef CONFIG_BPF_EVENTS |
e87c6bc3 | 727 | unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx); |
82e6b1ee | 728 | int perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 bpf_cookie); |
e87c6bc3 | 729 | void perf_event_detach_bpf_prog(struct perf_event *event); |
f4e2298e | 730 | int perf_event_query_prog_array(struct perf_event *event, void __user *info); |
c4f6699d AS |
731 | int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *prog); |
732 | int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *prog); | |
a38d1107 MM |
733 | struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name); |
734 | void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp); | |
41bdc4b4 YS |
735 | int bpf_get_perf_event_info(const struct perf_event *event, u32 *prog_id, |
736 | u32 *fd_type, const char **buf, | |
737 | u64 *probe_offset, u64 *probe_addr); | |
2541517c | 738 | #else |
e87c6bc3 | 739 | static inline unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx) |
2541517c AS |
740 | { |
741 | return 1; | |
742 | } | |
e87c6bc3 YS |
743 | |
744 | static inline int | |
82e6b1ee | 745 | perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 bpf_cookie) |
e87c6bc3 YS |
746 | { |
747 | return -EOPNOTSUPP; | |
748 | } | |
749 | ||
750 | static inline void perf_event_detach_bpf_prog(struct perf_event *event) { } | |
751 | ||
f4e2298e YS |
752 | static inline int |
753 | perf_event_query_prog_array(struct perf_event *event, void __user *info) | |
754 | { | |
755 | return -EOPNOTSUPP; | |
756 | } | |
c4f6699d AS |
757 | static inline int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *p) |
758 | { | |
759 | return -EOPNOTSUPP; | |
760 | } | |
761 | static inline int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *p) | |
762 | { | |
763 | return -EOPNOTSUPP; | |
764 | } | |
a38d1107 | 765 | static inline struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name) |
c4f6699d AS |
766 | { |
767 | return NULL; | |
768 | } | |
a38d1107 MM |
769 | static inline void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp) |
770 | { | |
771 | } | |
41bdc4b4 YS |
772 | static inline int bpf_get_perf_event_info(const struct perf_event *event, |
773 | u32 *prog_id, u32 *fd_type, | |
774 | const char **buf, u64 *probe_offset, | |
775 | u64 *probe_addr) | |
776 | { | |
777 | return -EOPNOTSUPP; | |
778 | } | |
2541517c AS |
779 | #endif |
780 | ||
43b51ead LZ |
781 | enum { |
782 | FILTER_OTHER = 0, | |
783 | FILTER_STATIC_STRING, | |
784 | FILTER_DYN_STRING, | |
87a342f5 | 785 | FILTER_PTR_STRING, |
02aa3162 | 786 | FILTER_TRACE_FN, |
e57cbaf0 SRRH |
787 | FILTER_COMM, |
788 | FILTER_CPU, | |
43b51ead LZ |
789 | }; |
790 | ||
2425bcb9 SRRH |
791 | extern int trace_event_raw_init(struct trace_event_call *call); |
792 | extern int trace_define_field(struct trace_event_call *call, const char *type, | |
aeaeae11 FW |
793 | const char *name, int offset, int size, |
794 | int is_signed, int filter_type); | |
2425bcb9 SRRH |
795 | extern int trace_add_event_call(struct trace_event_call *call); |
796 | extern int trace_remove_event_call(struct trace_event_call *call); | |
32bbe007 | 797 | extern int trace_event_get_offsets(struct trace_event_call *call); |
97f20251 | 798 | |
d2802d07 | 799 | #define is_signed_type(type) (((type)(-1)) < (type)1) |
97f20251 | 800 | |
595a438c | 801 | int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set); |
4671c794 | 802 | int trace_set_clr_event(const char *system, const char *event, int set); |
28879787 DI |
803 | int trace_array_set_clr_event(struct trace_array *tr, const char *system, |
804 | const char *event, bool enable); | |
97f20251 SR |
805 | /* |
806 | * The double __builtin_constant_p is because gcc will give us an error | |
807 | * if we try to allocate the static variable to fmt if it is not a | |
808 | * constant. Even with the outer if statement optimizing out. | |
809 | */ | |
810 | #define event_trace_printk(ip, fmt, args...) \ | |
811 | do { \ | |
812 | __trace_printk_check_format(fmt, ##args); \ | |
813 | tracing_record_cmdline(current); \ | |
814 | if (__builtin_constant_p(fmt)) { \ | |
815 | static const char *trace_printk_fmt \ | |
33def849 | 816 | __section("__trace_printk_fmt") = \ |
97f20251 SR |
817 | __builtin_constant_p(fmt) ? fmt : NULL; \ |
818 | \ | |
819 | __trace_bprintk(ip, trace_printk_fmt, ##args); \ | |
820 | } else \ | |
821 | __trace_printk(ip, fmt, ##args); \ | |
822 | } while (0) | |
823 | ||
07b139c8 | 824 | #ifdef CONFIG_PERF_EVENTS |
6fb2915d | 825 | struct perf_event; |
c530665c FW |
826 | |
827 | DECLARE_PER_CPU(struct pt_regs, perf_trace_regs); | |
9802d865 | 828 | DECLARE_PER_CPU(int, bpf_kprobe_override); |
c530665c | 829 | |
1c024eca PZ |
830 | extern int perf_trace_init(struct perf_event *event); |
831 | extern void perf_trace_destroy(struct perf_event *event); | |
a4eaf7f1 PZ |
832 | extern int perf_trace_add(struct perf_event *event, int flags); |
833 | extern void perf_trace_del(struct perf_event *event, int flags); | |
e12f03d7 SL |
834 | #ifdef CONFIG_KPROBE_EVENTS |
835 | extern int perf_kprobe_init(struct perf_event *event, bool is_retprobe); | |
836 | extern void perf_kprobe_destroy(struct perf_event *event); | |
41bdc4b4 YS |
837 | extern int bpf_get_kprobe_info(const struct perf_event *event, |
838 | u32 *fd_type, const char **symbol, | |
839 | u64 *probe_offset, u64 *probe_addr, | |
840 | bool perf_type_tracepoint); | |
e12f03d7 | 841 | #endif |
33ea4b24 | 842 | #ifdef CONFIG_UPROBE_EVENTS |
a6ca88b2 SL |
843 | extern int perf_uprobe_init(struct perf_event *event, |
844 | unsigned long ref_ctr_offset, bool is_retprobe); | |
33ea4b24 | 845 | extern void perf_uprobe_destroy(struct perf_event *event); |
41bdc4b4 YS |
846 | extern int bpf_get_uprobe_info(const struct perf_event *event, |
847 | u32 *fd_type, const char **filename, | |
848 | u64 *probe_offset, bool perf_type_tracepoint); | |
33ea4b24 | 849 | #endif |
1c024eca | 850 | extern int ftrace_profile_set_filter(struct perf_event *event, int event_id, |
6fb2915d LZ |
851 | char *filter_str); |
852 | extern void ftrace_profile_free_filter(struct perf_event *event); | |
1e1dcd93 AS |
853 | void perf_trace_buf_update(void *record, u16 type); |
854 | void *perf_trace_buf_alloc(int size, struct pt_regs **regs, int *rctxp); | |
430ad5a6 | 855 | |
82e6b1ee | 856 | int perf_event_set_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 bpf_cookie); |
b89fbfbb AN |
857 | void perf_event_free_bpf_prog(struct perf_event *event); |
858 | ||
c4f6699d AS |
859 | void bpf_trace_run1(struct bpf_prog *prog, u64 arg1); |
860 | void bpf_trace_run2(struct bpf_prog *prog, u64 arg1, u64 arg2); | |
861 | void bpf_trace_run3(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
862 | u64 arg3); | |
863 | void bpf_trace_run4(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
864 | u64 arg3, u64 arg4); | |
865 | void bpf_trace_run5(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
866 | u64 arg3, u64 arg4, u64 arg5); | |
867 | void bpf_trace_run6(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
868 | u64 arg3, u64 arg4, u64 arg5, u64 arg6); | |
869 | void bpf_trace_run7(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
870 | u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7); | |
871 | void bpf_trace_run8(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
872 | u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, | |
873 | u64 arg8); | |
874 | void bpf_trace_run9(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
875 | u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, | |
876 | u64 arg8, u64 arg9); | |
877 | void bpf_trace_run10(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
878 | u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, | |
879 | u64 arg8, u64 arg9, u64 arg10); | |
880 | void bpf_trace_run11(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
881 | u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, | |
882 | u64 arg8, u64 arg9, u64 arg10, u64 arg11); | |
883 | void bpf_trace_run12(struct bpf_prog *prog, u64 arg1, u64 arg2, | |
884 | u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, | |
885 | u64 arg8, u64 arg9, u64 arg10, u64 arg11, u64 arg12); | |
85b67bcb AS |
886 | void perf_trace_run_bpf_submit(void *raw_data, int size, int rctx, |
887 | struct trace_event_call *call, u64 count, | |
888 | struct pt_regs *regs, struct hlist_head *head, | |
889 | struct task_struct *task); | |
890 | ||
430ad5a6 | 891 | static inline void |
1e1dcd93 | 892 | perf_trace_buf_submit(void *raw_data, int size, int rctx, u16 type, |
e6dab5ff | 893 | u64 count, struct pt_regs *regs, void *head, |
8fd0fbbe | 894 | struct task_struct *task) |
430ad5a6 | 895 | { |
8fd0fbbe | 896 | perf_tp_event(type, count, raw_data, size, regs, head, rctx, task); |
430ad5a6 | 897 | } |
e87c6bc3 | 898 | |
6fb2915d LZ |
899 | #endif |
900 | ||
2425bcb9 | 901 | #endif /* _LINUX_TRACE_EVENT_H */ |