1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #ifndef _LINUX_TRACE_EVENT_H 4 #define _LINUX_TRACE_EVENT_H 5 6 #include <linux/ring_buffer.h> 7 #include <linux/trace_seq.h> 8 #include <linux/percpu.h> 9 #include <linux/hardirq.h> 10 #include <linux/perf_event.h> 11 #include <linux/tracepoint.h> 12 13 struct trace_array; 14 struct trace_buffer; 15 struct tracer; 16 struct dentry; 17 struct bpf_prog; 18 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); 22 23 const char *trace_print_symbols_seq(struct trace_seq *p, unsigned long val, 24 const struct trace_print_flags *symbol_array); 25 26 #if BITS_PER_LONG == 32 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 31 const char *trace_print_symbols_seq_u64(struct trace_seq *p, 32 unsigned long long val, 33 const struct trace_print_flags_u64 34 *symbol_array); 35 #endif 36 37 const char *trace_print_bitmask_seq(struct trace_seq *p, void *bitmask_ptr, 38 unsigned int bitmask_size); 39 40 const char *trace_print_hex_seq(struct trace_seq *p, 41 const unsigned char *buf, int len, 42 bool concatenate); 43 44 const char *trace_print_array_seq(struct trace_seq *p, 45 const void *buf, int count, 46 size_t el_size); 47 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 53 struct trace_iterator; 54 struct trace_event; 55 56 int trace_raw_output_prep(struct trace_iterator *iter, 57 struct trace_event *event); 58 59 /* 60 * The trace entry - the most basic unit of tracing. This is what 61 * is printed in the end as a single line in the trace output, such as: 62 * 63 * bash-15816 [01] 235.197585: idle_cpu <- irq_enter 64 */ 65 struct trace_entry { 66 unsigned short type; 67 unsigned char flags; 68 unsigned char preempt_count; 69 int pid; 70 }; 71 72 #define TRACE_EVENT_TYPE_MAX \ 73 ((1 << (sizeof(((struct trace_entry *)0)->type) * 8)) - 1) 74 75 /* 76 * Trace iterator - used by printout routines who present trace 77 * results to users and which routines might sleep, etc: 78 */ 79 struct trace_iterator { 80 struct trace_array *tr; 81 struct tracer *trace; 82 struct trace_buffer *trace_buffer; 83 void *private; 84 int cpu_file; 85 struct mutex mutex; 86 struct ring_buffer_iter **buffer_iter; 87 unsigned long iter_flags; 88 89 /* trace_seq for __print_flags() and __print_symbolic() etc. */ 90 struct trace_seq tmp_seq; 91 92 cpumask_var_t started; 93 94 /* it's true when current open file is snapshot */ 95 bool snapshot; 96 97 /* The below is zeroed out in pipe_read */ 98 struct trace_seq seq; 99 struct trace_entry *ent; 100 unsigned long lost_events; 101 int leftover; 102 int ent_size; 103 int cpu; 104 u64 ts; 105 106 loff_t pos; 107 long idx; 108 109 /* All new field here will be zeroed out in pipe_read */ 110 }; 111 112 enum trace_iter_flags { 113 TRACE_FILE_LAT_FMT = 1, 114 TRACE_FILE_ANNOTATE = 2, 115 TRACE_FILE_TIME_IN_NS = 4, 116 }; 117 118 119 typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter, 120 int flags, struct trace_event *event); 121 122 struct trace_event_functions { 123 trace_print_func trace; 124 trace_print_func raw; 125 trace_print_func hex; 126 trace_print_func binary; 127 }; 128 129 struct trace_event { 130 struct hlist_node node; 131 struct list_head list; 132 int type; 133 struct trace_event_functions *funcs; 134 }; 135 136 extern int register_trace_event(struct trace_event *event); 137 extern int unregister_trace_event(struct trace_event *event); 138 139 /* Return values for print_line callback */ 140 enum print_line_t { 141 TRACE_TYPE_PARTIAL_LINE = 0, /* Retry after flushing the seq */ 142 TRACE_TYPE_HANDLED = 1, 143 TRACE_TYPE_UNHANDLED = 2, /* Relay to other output functions */ 144 TRACE_TYPE_NO_CONSUME = 3 /* Handled but ask to not consume */ 145 }; 146 147 enum print_line_t trace_handle_return(struct trace_seq *s); 148 149 void tracing_generic_entry_update(struct trace_entry *entry, 150 unsigned short type, 151 unsigned long flags, 152 int pc); 153 struct trace_event_file; 154 155 struct ring_buffer_event * 156 trace_event_buffer_lock_reserve(struct ring_buffer **current_buffer, 157 struct trace_event_file *trace_file, 158 int type, unsigned long len, 159 unsigned long flags, int pc); 160 161 #define TRACE_RECORD_CMDLINE BIT(0) 162 #define TRACE_RECORD_TGID BIT(1) 163 164 void tracing_record_taskinfo(struct task_struct *task, int flags); 165 void tracing_record_taskinfo_sched_switch(struct task_struct *prev, 166 struct task_struct *next, int flags); 167 168 void tracing_record_cmdline(struct task_struct *task); 169 void tracing_record_tgid(struct task_struct *task); 170 171 int trace_output_call(struct trace_iterator *iter, char *name, char *fmt, ...); 172 173 struct event_filter; 174 175 enum trace_reg { 176 TRACE_REG_REGISTER, 177 TRACE_REG_UNREGISTER, 178 #ifdef CONFIG_PERF_EVENTS 179 TRACE_REG_PERF_REGISTER, 180 TRACE_REG_PERF_UNREGISTER, 181 TRACE_REG_PERF_OPEN, 182 TRACE_REG_PERF_CLOSE, 183 /* 184 * These (ADD/DEL) use a 'boolean' return value, where 1 (true) means a 185 * custom action was taken and the default action is not to be 186 * performed. 187 */ 188 TRACE_REG_PERF_ADD, 189 TRACE_REG_PERF_DEL, 190 #endif 191 }; 192 193 struct trace_event_call; 194 195 struct trace_event_class { 196 const char *system; 197 void *probe; 198 #ifdef CONFIG_PERF_EVENTS 199 void *perf_probe; 200 #endif 201 int (*reg)(struct trace_event_call *event, 202 enum trace_reg type, void *data); 203 int (*define_fields)(struct trace_event_call *); 204 struct list_head *(*get_fields)(struct trace_event_call *); 205 struct list_head fields; 206 int (*raw_init)(struct trace_event_call *); 207 }; 208 209 extern int trace_event_reg(struct trace_event_call *event, 210 enum trace_reg type, void *data); 211 212 struct trace_event_buffer { 213 struct ring_buffer *buffer; 214 struct ring_buffer_event *event; 215 struct trace_event_file *trace_file; 216 void *entry; 217 unsigned long flags; 218 int pc; 219 }; 220 221 void *trace_event_buffer_reserve(struct trace_event_buffer *fbuffer, 222 struct trace_event_file *trace_file, 223 unsigned long len); 224 225 void trace_event_buffer_commit(struct trace_event_buffer *fbuffer); 226 227 enum { 228 TRACE_EVENT_FL_FILTERED_BIT, 229 TRACE_EVENT_FL_CAP_ANY_BIT, 230 TRACE_EVENT_FL_NO_SET_FILTER_BIT, 231 TRACE_EVENT_FL_IGNORE_ENABLE_BIT, 232 TRACE_EVENT_FL_TRACEPOINT_BIT, 233 TRACE_EVENT_FL_KPROBE_BIT, 234 TRACE_EVENT_FL_UPROBE_BIT, 235 }; 236 237 /* 238 * Event flags: 239 * FILTERED - The event has a filter attached 240 * CAP_ANY - Any user can enable for perf 241 * NO_SET_FILTER - Set when filter has error and is to be ignored 242 * IGNORE_ENABLE - For trace internal events, do not enable with debugfs file 243 * TRACEPOINT - Event is a tracepoint 244 * KPROBE - Event is a kprobe 245 * UPROBE - Event is a uprobe 246 */ 247 enum { 248 TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), 249 TRACE_EVENT_FL_CAP_ANY = (1 << TRACE_EVENT_FL_CAP_ANY_BIT), 250 TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT), 251 TRACE_EVENT_FL_IGNORE_ENABLE = (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT), 252 TRACE_EVENT_FL_TRACEPOINT = (1 << TRACE_EVENT_FL_TRACEPOINT_BIT), 253 TRACE_EVENT_FL_KPROBE = (1 << TRACE_EVENT_FL_KPROBE_BIT), 254 TRACE_EVENT_FL_UPROBE = (1 << TRACE_EVENT_FL_UPROBE_BIT), 255 }; 256 257 #define TRACE_EVENT_FL_UKPROBE (TRACE_EVENT_FL_KPROBE | TRACE_EVENT_FL_UPROBE) 258 259 struct trace_event_call { 260 struct list_head list; 261 struct trace_event_class *class; 262 union { 263 char *name; 264 /* Set TRACE_EVENT_FL_TRACEPOINT flag when using "tp" */ 265 struct tracepoint *tp; 266 }; 267 struct trace_event event; 268 char *print_fmt; 269 struct event_filter *filter; 270 void *mod; 271 void *data; 272 /* 273 * bit 0: filter_active 274 * bit 1: allow trace by non root (cap any) 275 * bit 2: failed to apply filter 276 * bit 3: trace internal event (do not enable) 277 * bit 4: Event was enabled by module 278 * bit 5: use call filter rather than file filter 279 * bit 6: Event is a tracepoint 280 */ 281 int flags; /* static flags of different events */ 282 283 #ifdef CONFIG_PERF_EVENTS 284 int perf_refcount; 285 struct hlist_head __percpu *perf_events; 286 struct bpf_prog_array __rcu *prog_array; 287 288 int (*perf_perm)(struct trace_event_call *, 289 struct perf_event *); 290 #endif 291 }; 292 293 #ifdef CONFIG_PERF_EVENTS 294 static inline bool bpf_prog_array_valid(struct trace_event_call *call) 295 { 296 /* 297 * This inline function checks whether call->prog_array 298 * is valid or not. The function is called in various places, 299 * outside rcu_read_lock/unlock, as a heuristic to speed up execution. 300 * 301 * If this function returns true, and later call->prog_array 302 * becomes false inside rcu_read_lock/unlock region, 303 * we bail out then. If this function return false, 304 * there is a risk that we might miss a few events if the checking 305 * were delayed until inside rcu_read_lock/unlock region and 306 * call->prog_array happened to become non-NULL then. 307 * 308 * Here, READ_ONCE() is used instead of rcu_access_pointer(). 309 * rcu_access_pointer() requires the actual definition of 310 * "struct bpf_prog_array" while READ_ONCE() only needs 311 * a declaration of the same type. 312 */ 313 return !!READ_ONCE(call->prog_array); 314 } 315 #endif 316 317 static inline const char * 318 trace_event_name(struct trace_event_call *call) 319 { 320 if (call->flags & TRACE_EVENT_FL_TRACEPOINT) 321 return call->tp ? call->tp->name : NULL; 322 else 323 return call->name; 324 } 325 326 static inline struct list_head * 327 trace_get_fields(struct trace_event_call *event_call) 328 { 329 if (!event_call->class->get_fields) 330 return &event_call->class->fields; 331 return event_call->class->get_fields(event_call); 332 } 333 334 struct trace_array; 335 struct trace_subsystem_dir; 336 337 enum { 338 EVENT_FILE_FL_ENABLED_BIT, 339 EVENT_FILE_FL_RECORDED_CMD_BIT, 340 EVENT_FILE_FL_RECORDED_TGID_BIT, 341 EVENT_FILE_FL_FILTERED_BIT, 342 EVENT_FILE_FL_NO_SET_FILTER_BIT, 343 EVENT_FILE_FL_SOFT_MODE_BIT, 344 EVENT_FILE_FL_SOFT_DISABLED_BIT, 345 EVENT_FILE_FL_TRIGGER_MODE_BIT, 346 EVENT_FILE_FL_TRIGGER_COND_BIT, 347 EVENT_FILE_FL_PID_FILTER_BIT, 348 EVENT_FILE_FL_WAS_ENABLED_BIT, 349 }; 350 351 /* 352 * Event file flags: 353 * ENABLED - The event is enabled 354 * RECORDED_CMD - The comms should be recorded at sched_switch 355 * RECORDED_TGID - The tgids should be recorded at sched_switch 356 * FILTERED - The event has a filter attached 357 * NO_SET_FILTER - Set when filter has error and is to be ignored 358 * SOFT_MODE - The event is enabled/disabled by SOFT_DISABLED 359 * SOFT_DISABLED - When set, do not trace the event (even though its 360 * tracepoint may be enabled) 361 * TRIGGER_MODE - When set, invoke the triggers associated with the event 362 * TRIGGER_COND - When set, one or more triggers has an associated filter 363 * PID_FILTER - When set, the event is filtered based on pid 364 * WAS_ENABLED - Set when enabled to know to clear trace on module removal 365 */ 366 enum { 367 EVENT_FILE_FL_ENABLED = (1 << EVENT_FILE_FL_ENABLED_BIT), 368 EVENT_FILE_FL_RECORDED_CMD = (1 << EVENT_FILE_FL_RECORDED_CMD_BIT), 369 EVENT_FILE_FL_RECORDED_TGID = (1 << EVENT_FILE_FL_RECORDED_TGID_BIT), 370 EVENT_FILE_FL_FILTERED = (1 << EVENT_FILE_FL_FILTERED_BIT), 371 EVENT_FILE_FL_NO_SET_FILTER = (1 << EVENT_FILE_FL_NO_SET_FILTER_BIT), 372 EVENT_FILE_FL_SOFT_MODE = (1 << EVENT_FILE_FL_SOFT_MODE_BIT), 373 EVENT_FILE_FL_SOFT_DISABLED = (1 << EVENT_FILE_FL_SOFT_DISABLED_BIT), 374 EVENT_FILE_FL_TRIGGER_MODE = (1 << EVENT_FILE_FL_TRIGGER_MODE_BIT), 375 EVENT_FILE_FL_TRIGGER_COND = (1 << EVENT_FILE_FL_TRIGGER_COND_BIT), 376 EVENT_FILE_FL_PID_FILTER = (1 << EVENT_FILE_FL_PID_FILTER_BIT), 377 EVENT_FILE_FL_WAS_ENABLED = (1 << EVENT_FILE_FL_WAS_ENABLED_BIT), 378 }; 379 380 struct trace_event_file { 381 struct list_head list; 382 struct trace_event_call *event_call; 383 struct event_filter __rcu *filter; 384 struct dentry *dir; 385 struct trace_array *tr; 386 struct trace_subsystem_dir *system; 387 struct list_head triggers; 388 389 /* 390 * 32 bit flags: 391 * bit 0: enabled 392 * bit 1: enabled cmd record 393 * bit 2: enable/disable with the soft disable bit 394 * bit 3: soft disabled 395 * bit 4: trigger enabled 396 * 397 * Note: The bits must be set atomically to prevent races 398 * from other writers. Reads of flags do not need to be in 399 * sync as they occur in critical sections. But the way flags 400 * is currently used, these changes do not affect the code 401 * except that when a change is made, it may have a slight 402 * delay in propagating the changes to other CPUs due to 403 * caching and such. Which is mostly OK ;-) 404 */ 405 unsigned long flags; 406 atomic_t sm_ref; /* soft-mode reference counter */ 407 atomic_t tm_ref; /* trigger-mode reference counter */ 408 }; 409 410 #define __TRACE_EVENT_FLAGS(name, value) \ 411 static int __init trace_init_flags_##name(void) \ 412 { \ 413 event_##name.flags |= value; \ 414 return 0; \ 415 } \ 416 early_initcall(trace_init_flags_##name); 417 418 #define __TRACE_EVENT_PERF_PERM(name, expr...) \ 419 static int perf_perm_##name(struct trace_event_call *tp_event, \ 420 struct perf_event *p_event) \ 421 { \ 422 return ({ expr; }); \ 423 } \ 424 static int __init trace_init_perf_perm_##name(void) \ 425 { \ 426 event_##name.perf_perm = &perf_perm_##name; \ 427 return 0; \ 428 } \ 429 early_initcall(trace_init_perf_perm_##name); 430 431 #define PERF_MAX_TRACE_SIZE 2048 432 433 #define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */ 434 435 enum event_trigger_type { 436 ETT_NONE = (0), 437 ETT_TRACE_ONOFF = (1 << 0), 438 ETT_SNAPSHOT = (1 << 1), 439 ETT_STACKTRACE = (1 << 2), 440 ETT_EVENT_ENABLE = (1 << 3), 441 ETT_EVENT_HIST = (1 << 4), 442 ETT_HIST_ENABLE = (1 << 5), 443 }; 444 445 extern int filter_match_preds(struct event_filter *filter, void *rec); 446 447 extern enum event_trigger_type 448 event_triggers_call(struct trace_event_file *file, void *rec, 449 struct ring_buffer_event *event); 450 extern void 451 event_triggers_post_call(struct trace_event_file *file, 452 enum event_trigger_type tt); 453 454 bool trace_event_ignore_this_pid(struct trace_event_file *trace_file); 455 456 /** 457 * trace_trigger_soft_disabled - do triggers and test if soft disabled 458 * @file: The file pointer of the event to test 459 * 460 * If any triggers without filters are attached to this event, they 461 * will be called here. If the event is soft disabled and has no 462 * triggers that require testing the fields, it will return true, 463 * otherwise false. 464 */ 465 static inline bool 466 trace_trigger_soft_disabled(struct trace_event_file *file) 467 { 468 unsigned long eflags = file->flags; 469 470 if (!(eflags & EVENT_FILE_FL_TRIGGER_COND)) { 471 if (eflags & EVENT_FILE_FL_TRIGGER_MODE) 472 event_triggers_call(file, NULL, NULL); 473 if (eflags & EVENT_FILE_FL_SOFT_DISABLED) 474 return true; 475 if (eflags & EVENT_FILE_FL_PID_FILTER) 476 return trace_event_ignore_this_pid(file); 477 } 478 return false; 479 } 480 481 #ifdef CONFIG_BPF_EVENTS 482 unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx); 483 int perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog); 484 void perf_event_detach_bpf_prog(struct perf_event *event); 485 int perf_event_query_prog_array(struct perf_event *event, void __user *info); 486 int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *prog); 487 int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *prog); 488 struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name); 489 void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp); 490 int bpf_get_perf_event_info(const struct perf_event *event, u32 *prog_id, 491 u32 *fd_type, const char **buf, 492 u64 *probe_offset, u64 *probe_addr); 493 #else 494 static inline unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx) 495 { 496 return 1; 497 } 498 499 static inline int 500 perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog) 501 { 502 return -EOPNOTSUPP; 503 } 504 505 static inline void perf_event_detach_bpf_prog(struct perf_event *event) { } 506 507 static inline int 508 perf_event_query_prog_array(struct perf_event *event, void __user *info) 509 { 510 return -EOPNOTSUPP; 511 } 512 static inline int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *p) 513 { 514 return -EOPNOTSUPP; 515 } 516 static inline int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *p) 517 { 518 return -EOPNOTSUPP; 519 } 520 static inline struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name) 521 { 522 return NULL; 523 } 524 static inline void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp) 525 { 526 } 527 static inline int bpf_get_perf_event_info(const struct perf_event *event, 528 u32 *prog_id, u32 *fd_type, 529 const char **buf, u64 *probe_offset, 530 u64 *probe_addr) 531 { 532 return -EOPNOTSUPP; 533 } 534 #endif 535 536 enum { 537 FILTER_OTHER = 0, 538 FILTER_STATIC_STRING, 539 FILTER_DYN_STRING, 540 FILTER_PTR_STRING, 541 FILTER_TRACE_FN, 542 FILTER_COMM, 543 FILTER_CPU, 544 }; 545 546 extern int trace_event_raw_init(struct trace_event_call *call); 547 extern int trace_define_field(struct trace_event_call *call, const char *type, 548 const char *name, int offset, int size, 549 int is_signed, int filter_type); 550 extern int trace_add_event_call(struct trace_event_call *call); 551 extern int trace_remove_event_call(struct trace_event_call *call); 552 extern int trace_event_get_offsets(struct trace_event_call *call); 553 554 #define is_signed_type(type) (((type)(-1)) < (type)1) 555 556 int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set); 557 int trace_set_clr_event(const char *system, const char *event, int set); 558 int trace_array_set_clr_event(struct trace_array *tr, const char *system, 559 const char *event, bool enable); 560 /* 561 * The double __builtin_constant_p is because gcc will give us an error 562 * if we try to allocate the static variable to fmt if it is not a 563 * constant. Even with the outer if statement optimizing out. 564 */ 565 #define event_trace_printk(ip, fmt, args...) \ 566 do { \ 567 __trace_printk_check_format(fmt, ##args); \ 568 tracing_record_cmdline(current); \ 569 if (__builtin_constant_p(fmt)) { \ 570 static const char *trace_printk_fmt \ 571 __attribute__((section("__trace_printk_fmt"))) = \ 572 __builtin_constant_p(fmt) ? fmt : NULL; \ 573 \ 574 __trace_bprintk(ip, trace_printk_fmt, ##args); \ 575 } else \ 576 __trace_printk(ip, fmt, ##args); \ 577 } while (0) 578 579 #ifdef CONFIG_PERF_EVENTS 580 struct perf_event; 581 582 DECLARE_PER_CPU(struct pt_regs, perf_trace_regs); 583 DECLARE_PER_CPU(int, bpf_kprobe_override); 584 585 extern int perf_trace_init(struct perf_event *event); 586 extern void perf_trace_destroy(struct perf_event *event); 587 extern int perf_trace_add(struct perf_event *event, int flags); 588 extern void perf_trace_del(struct perf_event *event, int flags); 589 #ifdef CONFIG_KPROBE_EVENTS 590 extern int perf_kprobe_init(struct perf_event *event, bool is_retprobe); 591 extern void perf_kprobe_destroy(struct perf_event *event); 592 extern int bpf_get_kprobe_info(const struct perf_event *event, 593 u32 *fd_type, const char **symbol, 594 u64 *probe_offset, u64 *probe_addr, 595 bool perf_type_tracepoint); 596 #endif 597 #ifdef CONFIG_UPROBE_EVENTS 598 extern int perf_uprobe_init(struct perf_event *event, 599 unsigned long ref_ctr_offset, bool is_retprobe); 600 extern void perf_uprobe_destroy(struct perf_event *event); 601 extern int bpf_get_uprobe_info(const struct perf_event *event, 602 u32 *fd_type, const char **filename, 603 u64 *probe_offset, bool perf_type_tracepoint); 604 #endif 605 extern int ftrace_profile_set_filter(struct perf_event *event, int event_id, 606 char *filter_str); 607 extern void ftrace_profile_free_filter(struct perf_event *event); 608 void perf_trace_buf_update(void *record, u16 type); 609 void *perf_trace_buf_alloc(int size, struct pt_regs **regs, int *rctxp); 610 611 void bpf_trace_run1(struct bpf_prog *prog, u64 arg1); 612 void bpf_trace_run2(struct bpf_prog *prog, u64 arg1, u64 arg2); 613 void bpf_trace_run3(struct bpf_prog *prog, u64 arg1, u64 arg2, 614 u64 arg3); 615 void bpf_trace_run4(struct bpf_prog *prog, u64 arg1, u64 arg2, 616 u64 arg3, u64 arg4); 617 void bpf_trace_run5(struct bpf_prog *prog, u64 arg1, u64 arg2, 618 u64 arg3, u64 arg4, u64 arg5); 619 void bpf_trace_run6(struct bpf_prog *prog, u64 arg1, u64 arg2, 620 u64 arg3, u64 arg4, u64 arg5, u64 arg6); 621 void bpf_trace_run7(struct bpf_prog *prog, u64 arg1, u64 arg2, 622 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7); 623 void bpf_trace_run8(struct bpf_prog *prog, u64 arg1, u64 arg2, 624 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, 625 u64 arg8); 626 void bpf_trace_run9(struct bpf_prog *prog, u64 arg1, u64 arg2, 627 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, 628 u64 arg8, u64 arg9); 629 void bpf_trace_run10(struct bpf_prog *prog, u64 arg1, u64 arg2, 630 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, 631 u64 arg8, u64 arg9, u64 arg10); 632 void bpf_trace_run11(struct bpf_prog *prog, u64 arg1, u64 arg2, 633 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, 634 u64 arg8, u64 arg9, u64 arg10, u64 arg11); 635 void bpf_trace_run12(struct bpf_prog *prog, u64 arg1, u64 arg2, 636 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7, 637 u64 arg8, u64 arg9, u64 arg10, u64 arg11, u64 arg12); 638 void perf_trace_run_bpf_submit(void *raw_data, int size, int rctx, 639 struct trace_event_call *call, u64 count, 640 struct pt_regs *regs, struct hlist_head *head, 641 struct task_struct *task); 642 643 static inline void 644 perf_trace_buf_submit(void *raw_data, int size, int rctx, u16 type, 645 u64 count, struct pt_regs *regs, void *head, 646 struct task_struct *task) 647 { 648 perf_tp_event(type, count, raw_data, size, regs, head, rctx, task); 649 } 650 651 #endif 652 653 #endif /* _LINUX_TRACE_EVENT_H */ 654