1 /* SPDX-License-Identifier: GPL-2.0 */
3 #ifndef _LINUX_TRACE_EVENT_H
4 #define _LINUX_TRACE_EVENT_H
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>
19 const char *trace_print_flags_seq(struct trace_seq *p, const char *delim,
21 const struct trace_print_flags *flag_array);
23 const char *trace_print_symbols_seq(struct trace_seq *p, unsigned long val,
24 const struct trace_print_flags *symbol_array);
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);
31 const char *trace_print_symbols_seq_u64(struct trace_seq *p,
32 unsigned long long val,
33 const struct trace_print_flags_u64
37 const char *trace_print_bitmask_seq(struct trace_seq *p, void *bitmask_ptr,
38 unsigned int bitmask_size);
40 const char *trace_print_hex_seq(struct trace_seq *p,
41 const unsigned char *buf, int len,
44 const char *trace_print_array_seq(struct trace_seq *p,
45 const void *buf, int count,
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);
53 struct trace_iterator;
56 int trace_raw_output_prep(struct trace_iterator *iter,
57 struct trace_event *event);
59 void trace_event_printf(struct trace_iterator *iter, const char *fmt, ...);
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:
65 * bash-15816 [01] 235.197585: idle_cpu <- irq_enter
70 unsigned char preempt_count;
74 #define TRACE_EVENT_TYPE_MAX \
75 ((1 << (sizeof(((struct trace_entry *)0)->type) * 8)) - 1)
78 * Trace iterator - used by printout routines who present trace
79 * results to users and which routines might sleep, etc:
81 struct trace_iterator {
82 struct trace_array *tr;
84 struct array_buffer *array_buffer;
88 struct ring_buffer_iter **buffer_iter;
89 unsigned long iter_flags;
90 void *temp; /* temp holder */
91 unsigned int temp_size;
92 char *fmt; /* modified format holder */
93 unsigned int fmt_size;
95 /* trace_seq for __print_flags() and __print_symbolic() etc. */
96 struct trace_seq tmp_seq;
98 cpumask_var_t started;
100 /* it's true when current open file is snapshot */
103 /* The below is zeroed out in pipe_read */
104 struct trace_seq seq;
105 struct trace_entry *ent;
106 unsigned long lost_events;
115 /* All new field here will be zeroed out in pipe_read */
118 enum trace_iter_flags {
119 TRACE_FILE_LAT_FMT = 1,
120 TRACE_FILE_ANNOTATE = 2,
121 TRACE_FILE_TIME_IN_NS = 4,
125 typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter,
126 int flags, struct trace_event *event);
128 struct trace_event_functions {
129 trace_print_func trace;
130 trace_print_func raw;
131 trace_print_func hex;
132 trace_print_func binary;
136 struct hlist_node node;
137 struct list_head list;
139 struct trace_event_functions *funcs;
142 extern int register_trace_event(struct trace_event *event);
143 extern int unregister_trace_event(struct trace_event *event);
145 /* Return values for print_line callback */
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 */
153 enum print_line_t trace_handle_return(struct trace_seq *s);
155 void tracing_generic_entry_update(struct trace_entry *entry,
159 struct trace_event_file;
161 struct ring_buffer_event *
162 trace_event_buffer_lock_reserve(struct trace_buffer **current_buffer,
163 struct trace_event_file *trace_file,
164 int type, unsigned long len,
165 unsigned long flags, int pc);
167 #define TRACE_RECORD_CMDLINE BIT(0)
168 #define TRACE_RECORD_TGID BIT(1)
170 void tracing_record_taskinfo(struct task_struct *task, int flags);
171 void tracing_record_taskinfo_sched_switch(struct task_struct *prev,
172 struct task_struct *next, int flags);
174 void tracing_record_cmdline(struct task_struct *task);
175 void tracing_record_tgid(struct task_struct *task);
177 int trace_output_call(struct trace_iterator *iter, char *name, char *fmt, ...);
183 TRACE_REG_UNREGISTER,
184 #ifdef CONFIG_PERF_EVENTS
185 TRACE_REG_PERF_REGISTER,
186 TRACE_REG_PERF_UNREGISTER,
188 TRACE_REG_PERF_CLOSE,
190 * These (ADD/DEL) use a 'boolean' return value, where 1 (true) means a
191 * custom action was taken and the default action is not to be
199 struct trace_event_call;
201 #define TRACE_FUNCTION_TYPE ((const char *)~0UL)
203 struct trace_event_fields {
211 const int filter_type;
213 int (*define_fields)(struct trace_event_call *);
217 struct trace_event_class {
220 #ifdef CONFIG_PERF_EVENTS
223 int (*reg)(struct trace_event_call *event,
224 enum trace_reg type, void *data);
225 struct trace_event_fields *fields_array;
226 struct list_head *(*get_fields)(struct trace_event_call *);
227 struct list_head fields;
228 int (*raw_init)(struct trace_event_call *);
231 extern int trace_event_reg(struct trace_event_call *event,
232 enum trace_reg type, void *data);
234 struct trace_event_buffer {
235 struct trace_buffer *buffer;
236 struct ring_buffer_event *event;
237 struct trace_event_file *trace_file;
241 struct pt_regs *regs;
244 void *trace_event_buffer_reserve(struct trace_event_buffer *fbuffer,
245 struct trace_event_file *trace_file,
248 void trace_event_buffer_commit(struct trace_event_buffer *fbuffer);
251 TRACE_EVENT_FL_FILTERED_BIT,
252 TRACE_EVENT_FL_CAP_ANY_BIT,
253 TRACE_EVENT_FL_NO_SET_FILTER_BIT,
254 TRACE_EVENT_FL_IGNORE_ENABLE_BIT,
255 TRACE_EVENT_FL_TRACEPOINT_BIT,
256 TRACE_EVENT_FL_KPROBE_BIT,
257 TRACE_EVENT_FL_UPROBE_BIT,
262 * FILTERED - The event has a filter attached
263 * CAP_ANY - Any user can enable for perf
264 * NO_SET_FILTER - Set when filter has error and is to be ignored
265 * IGNORE_ENABLE - For trace internal events, do not enable with debugfs file
266 * TRACEPOINT - Event is a tracepoint
267 * KPROBE - Event is a kprobe
268 * UPROBE - Event is a uprobe
271 TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT),
272 TRACE_EVENT_FL_CAP_ANY = (1 << TRACE_EVENT_FL_CAP_ANY_BIT),
273 TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT),
274 TRACE_EVENT_FL_IGNORE_ENABLE = (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT),
275 TRACE_EVENT_FL_TRACEPOINT = (1 << TRACE_EVENT_FL_TRACEPOINT_BIT),
276 TRACE_EVENT_FL_KPROBE = (1 << TRACE_EVENT_FL_KPROBE_BIT),
277 TRACE_EVENT_FL_UPROBE = (1 << TRACE_EVENT_FL_UPROBE_BIT),
280 #define TRACE_EVENT_FL_UKPROBE (TRACE_EVENT_FL_KPROBE | TRACE_EVENT_FL_UPROBE)
282 struct trace_event_call {
283 struct list_head list;
284 struct trace_event_class *class;
287 /* Set TRACE_EVENT_FL_TRACEPOINT flag when using "tp" */
288 struct tracepoint *tp;
290 struct trace_event event;
292 struct event_filter *filter;
296 * bit 0: filter_active
297 * bit 1: allow trace by non root (cap any)
298 * bit 2: failed to apply filter
299 * bit 3: trace internal event (do not enable)
300 * bit 4: Event was enabled by module
301 * bit 5: use call filter rather than file filter
302 * bit 6: Event is a tracepoint
304 int flags; /* static flags of different events */
306 #ifdef CONFIG_PERF_EVENTS
308 struct hlist_head __percpu *perf_events;
309 struct bpf_prog_array __rcu *prog_array;
311 int (*perf_perm)(struct trace_event_call *,
312 struct perf_event *);
316 #ifdef CONFIG_PERF_EVENTS
317 static inline bool bpf_prog_array_valid(struct trace_event_call *call)
320 * This inline function checks whether call->prog_array
321 * is valid or not. The function is called in various places,
322 * outside rcu_read_lock/unlock, as a heuristic to speed up execution.
324 * If this function returns true, and later call->prog_array
325 * becomes false inside rcu_read_lock/unlock region,
326 * we bail out then. If this function return false,
327 * there is a risk that we might miss a few events if the checking
328 * were delayed until inside rcu_read_lock/unlock region and
329 * call->prog_array happened to become non-NULL then.
331 * Here, READ_ONCE() is used instead of rcu_access_pointer().
332 * rcu_access_pointer() requires the actual definition of
333 * "struct bpf_prog_array" while READ_ONCE() only needs
334 * a declaration of the same type.
336 return !!READ_ONCE(call->prog_array);
340 static inline const char *
341 trace_event_name(struct trace_event_call *call)
343 if (call->flags & TRACE_EVENT_FL_TRACEPOINT)
344 return call->tp ? call->tp->name : NULL;
349 static inline struct list_head *
350 trace_get_fields(struct trace_event_call *event_call)
352 if (!event_call->class->get_fields)
353 return &event_call->class->fields;
354 return event_call->class->get_fields(event_call);
358 struct trace_subsystem_dir;
361 EVENT_FILE_FL_ENABLED_BIT,
362 EVENT_FILE_FL_RECORDED_CMD_BIT,
363 EVENT_FILE_FL_RECORDED_TGID_BIT,
364 EVENT_FILE_FL_FILTERED_BIT,
365 EVENT_FILE_FL_NO_SET_FILTER_BIT,
366 EVENT_FILE_FL_SOFT_MODE_BIT,
367 EVENT_FILE_FL_SOFT_DISABLED_BIT,
368 EVENT_FILE_FL_TRIGGER_MODE_BIT,
369 EVENT_FILE_FL_TRIGGER_COND_BIT,
370 EVENT_FILE_FL_PID_FILTER_BIT,
371 EVENT_FILE_FL_WAS_ENABLED_BIT,
372 EVENT_FILE_FL_FREED_BIT,
375 extern struct trace_event_file *trace_get_event_file(const char *instance,
378 extern void trace_put_event_file(struct trace_event_file *file);
380 #define MAX_DYNEVENT_CMD_LEN (2048)
383 DYNEVENT_TYPE_SYNTH = 1,
384 DYNEVENT_TYPE_KPROBE,
390 typedef int (*dynevent_create_fn_t)(struct dynevent_cmd *cmd);
392 struct dynevent_cmd {
394 const char *event_name;
395 unsigned int n_fields;
396 enum dynevent_type type;
397 dynevent_create_fn_t run_command;
401 extern int dynevent_create(struct dynevent_cmd *cmd);
403 extern int synth_event_delete(const char *name);
405 extern void synth_event_cmd_init(struct dynevent_cmd *cmd,
406 char *buf, int maxlen);
408 extern int __synth_event_gen_cmd_start(struct dynevent_cmd *cmd,
410 struct module *mod, ...);
412 #define synth_event_gen_cmd_start(cmd, name, mod, ...) \
413 __synth_event_gen_cmd_start(cmd, name, mod, ## __VA_ARGS__, NULL)
415 struct synth_field_desc {
420 extern int synth_event_gen_cmd_array_start(struct dynevent_cmd *cmd,
423 struct synth_field_desc *fields,
424 unsigned int n_fields);
425 extern int synth_event_create(const char *name,
426 struct synth_field_desc *fields,
427 unsigned int n_fields, struct module *mod);
429 extern int synth_event_add_field(struct dynevent_cmd *cmd,
432 extern int synth_event_add_field_str(struct dynevent_cmd *cmd,
433 const char *type_name);
434 extern int synth_event_add_fields(struct dynevent_cmd *cmd,
435 struct synth_field_desc *fields,
436 unsigned int n_fields);
438 #define synth_event_gen_cmd_end(cmd) \
443 struct synth_event_trace_state {
444 struct trace_event_buffer fbuffer;
445 struct synth_trace_event *entry;
446 struct trace_buffer *buffer;
447 struct synth_event *event;
448 unsigned int cur_field;
455 extern int synth_event_trace(struct trace_event_file *file,
456 unsigned int n_vals, ...);
457 extern int synth_event_trace_array(struct trace_event_file *file, u64 *vals,
458 unsigned int n_vals);
459 extern int synth_event_trace_start(struct trace_event_file *file,
460 struct synth_event_trace_state *trace_state);
461 extern int synth_event_add_next_val(u64 val,
462 struct synth_event_trace_state *trace_state);
463 extern int synth_event_add_val(const char *field_name, u64 val,
464 struct synth_event_trace_state *trace_state);
465 extern int synth_event_trace_end(struct synth_event_trace_state *trace_state);
467 extern int kprobe_event_delete(const char *name);
469 extern void kprobe_event_cmd_init(struct dynevent_cmd *cmd,
470 char *buf, int maxlen);
472 #define kprobe_event_gen_cmd_start(cmd, name, loc, ...) \
473 __kprobe_event_gen_cmd_start(cmd, false, name, loc, ## __VA_ARGS__, NULL)
475 #define kretprobe_event_gen_cmd_start(cmd, name, loc, ...) \
476 __kprobe_event_gen_cmd_start(cmd, true, name, loc, ## __VA_ARGS__, NULL)
478 extern int __kprobe_event_gen_cmd_start(struct dynevent_cmd *cmd,
481 const char *loc, ...);
483 #define kprobe_event_add_fields(cmd, ...) \
484 __kprobe_event_add_fields(cmd, ## __VA_ARGS__, NULL)
486 #define kprobe_event_add_field(cmd, field) \
487 __kprobe_event_add_fields(cmd, field, NULL)
489 extern int __kprobe_event_add_fields(struct dynevent_cmd *cmd, ...);
491 #define kprobe_event_gen_cmd_end(cmd) \
494 #define kretprobe_event_gen_cmd_end(cmd) \
499 * ENABLED - The event is enabled
500 * RECORDED_CMD - The comms should be recorded at sched_switch
501 * RECORDED_TGID - The tgids should be recorded at sched_switch
502 * FILTERED - The event has a filter attached
503 * NO_SET_FILTER - Set when filter has error and is to be ignored
504 * SOFT_MODE - The event is enabled/disabled by SOFT_DISABLED
505 * SOFT_DISABLED - When set, do not trace the event (even though its
506 * tracepoint may be enabled)
507 * TRIGGER_MODE - When set, invoke the triggers associated with the event
508 * TRIGGER_COND - When set, one or more triggers has an associated filter
509 * PID_FILTER - When set, the event is filtered based on pid
510 * WAS_ENABLED - Set when enabled to know to clear trace on module removal
511 * FREED - File descriptor is freed, all fields should be considered invalid
514 EVENT_FILE_FL_ENABLED = (1 << EVENT_FILE_FL_ENABLED_BIT),
515 EVENT_FILE_FL_RECORDED_CMD = (1 << EVENT_FILE_FL_RECORDED_CMD_BIT),
516 EVENT_FILE_FL_RECORDED_TGID = (1 << EVENT_FILE_FL_RECORDED_TGID_BIT),
517 EVENT_FILE_FL_FILTERED = (1 << EVENT_FILE_FL_FILTERED_BIT),
518 EVENT_FILE_FL_NO_SET_FILTER = (1 << EVENT_FILE_FL_NO_SET_FILTER_BIT),
519 EVENT_FILE_FL_SOFT_MODE = (1 << EVENT_FILE_FL_SOFT_MODE_BIT),
520 EVENT_FILE_FL_SOFT_DISABLED = (1 << EVENT_FILE_FL_SOFT_DISABLED_BIT),
521 EVENT_FILE_FL_TRIGGER_MODE = (1 << EVENT_FILE_FL_TRIGGER_MODE_BIT),
522 EVENT_FILE_FL_TRIGGER_COND = (1 << EVENT_FILE_FL_TRIGGER_COND_BIT),
523 EVENT_FILE_FL_PID_FILTER = (1 << EVENT_FILE_FL_PID_FILTER_BIT),
524 EVENT_FILE_FL_WAS_ENABLED = (1 << EVENT_FILE_FL_WAS_ENABLED_BIT),
525 EVENT_FILE_FL_FREED = (1 << EVENT_FILE_FL_FREED_BIT),
528 struct trace_event_file {
529 struct list_head list;
530 struct trace_event_call *event_call;
531 struct event_filter __rcu *filter;
533 struct trace_array *tr;
534 struct trace_subsystem_dir *system;
535 struct list_head triggers;
540 * bit 1: enabled cmd record
541 * bit 2: enable/disable with the soft disable bit
542 * bit 3: soft disabled
543 * bit 4: trigger enabled
545 * Note: The bits must be set atomically to prevent races
546 * from other writers. Reads of flags do not need to be in
547 * sync as they occur in critical sections. But the way flags
548 * is currently used, these changes do not affect the code
549 * except that when a change is made, it may have a slight
550 * delay in propagating the changes to other CPUs due to
551 * caching and such. Which is mostly OK ;-)
554 atomic_t ref; /* ref count for opened files */
555 atomic_t sm_ref; /* soft-mode reference counter */
556 atomic_t tm_ref; /* trigger-mode reference counter */
559 #define __TRACE_EVENT_FLAGS(name, value) \
560 static int __init trace_init_flags_##name(void) \
562 event_##name.flags |= value; \
565 early_initcall(trace_init_flags_##name);
567 #define __TRACE_EVENT_PERF_PERM(name, expr...) \
568 static int perf_perm_##name(struct trace_event_call *tp_event, \
569 struct perf_event *p_event) \
571 return ({ expr; }); \
573 static int __init trace_init_perf_perm_##name(void) \
575 event_##name.perf_perm = &perf_perm_##name; \
578 early_initcall(trace_init_perf_perm_##name);
580 #define PERF_MAX_TRACE_SIZE 8192
582 #define MAX_FILTER_STR_VAL 256U /* Should handle KSYM_SYMBOL_LEN */
584 enum event_trigger_type {
586 ETT_TRACE_ONOFF = (1 << 0),
587 ETT_SNAPSHOT = (1 << 1),
588 ETT_STACKTRACE = (1 << 2),
589 ETT_EVENT_ENABLE = (1 << 3),
590 ETT_EVENT_HIST = (1 << 4),
591 ETT_HIST_ENABLE = (1 << 5),
594 extern int filter_match_preds(struct event_filter *filter, void *rec);
596 extern enum event_trigger_type
597 event_triggers_call(struct trace_event_file *file, void *rec,
598 struct ring_buffer_event *event);
600 event_triggers_post_call(struct trace_event_file *file,
601 enum event_trigger_type tt);
603 bool trace_event_ignore_this_pid(struct trace_event_file *trace_file);
606 * trace_trigger_soft_disabled - do triggers and test if soft disabled
607 * @file: The file pointer of the event to test
609 * If any triggers without filters are attached to this event, they
610 * will be called here. If the event is soft disabled and has no
611 * triggers that require testing the fields, it will return true,
615 trace_trigger_soft_disabled(struct trace_event_file *file)
617 unsigned long eflags = file->flags;
619 if (!(eflags & EVENT_FILE_FL_TRIGGER_COND)) {
620 if (eflags & EVENT_FILE_FL_TRIGGER_MODE)
621 event_triggers_call(file, NULL, NULL);
622 if (eflags & EVENT_FILE_FL_SOFT_DISABLED)
624 if (eflags & EVENT_FILE_FL_PID_FILTER)
625 return trace_event_ignore_this_pid(file);
630 #ifdef CONFIG_BPF_EVENTS
631 unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx);
632 int perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog);
633 void perf_event_detach_bpf_prog(struct perf_event *event);
634 int perf_event_query_prog_array(struct perf_event *event, void __user *info);
635 int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *prog);
636 int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *prog);
637 struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name);
638 void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp);
639 int bpf_get_perf_event_info(const struct perf_event *event, u32 *prog_id,
640 u32 *fd_type, const char **buf,
641 u64 *probe_offset, u64 *probe_addr);
643 static inline unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx)
649 perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog)
654 static inline void perf_event_detach_bpf_prog(struct perf_event *event) { }
657 perf_event_query_prog_array(struct perf_event *event, void __user *info)
661 static inline int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *p)
665 static inline int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *p)
669 static inline struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name)
673 static inline void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp)
676 static inline int bpf_get_perf_event_info(const struct perf_event *event,
677 u32 *prog_id, u32 *fd_type,
678 const char **buf, u64 *probe_offset,
687 FILTER_STATIC_STRING,
695 extern int trace_event_raw_init(struct trace_event_call *call);
696 extern int trace_define_field(struct trace_event_call *call, const char *type,
697 const char *name, int offset, int size,
698 int is_signed, int filter_type);
699 extern int trace_add_event_call(struct trace_event_call *call);
700 extern int trace_remove_event_call(struct trace_event_call *call);
701 extern int trace_event_get_offsets(struct trace_event_call *call);
703 #define is_signed_type(type) (((type)(-1)) < (type)1)
705 int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set);
706 int trace_set_clr_event(const char *system, const char *event, int set);
707 int trace_array_set_clr_event(struct trace_array *tr, const char *system,
708 const char *event, bool enable);
710 * The double __builtin_constant_p is because gcc will give us an error
711 * if we try to allocate the static variable to fmt if it is not a
712 * constant. Even with the outer if statement optimizing out.
714 #define event_trace_printk(ip, fmt, args...) \
716 __trace_printk_check_format(fmt, ##args); \
717 tracing_record_cmdline(current); \
718 if (__builtin_constant_p(fmt)) { \
719 static const char *trace_printk_fmt \
720 __section("__trace_printk_fmt") = \
721 __builtin_constant_p(fmt) ? fmt : NULL; \
723 __trace_bprintk(ip, trace_printk_fmt, ##args); \
725 __trace_printk(ip, fmt, ##args); \
728 #ifdef CONFIG_PERF_EVENTS
731 DECLARE_PER_CPU(struct pt_regs, perf_trace_regs);
732 DECLARE_PER_CPU(int, bpf_kprobe_override);
734 extern int perf_trace_init(struct perf_event *event);
735 extern void perf_trace_destroy(struct perf_event *event);
736 extern int perf_trace_add(struct perf_event *event, int flags);
737 extern void perf_trace_del(struct perf_event *event, int flags);
738 #ifdef CONFIG_KPROBE_EVENTS
739 extern int perf_kprobe_init(struct perf_event *event, bool is_retprobe);
740 extern void perf_kprobe_destroy(struct perf_event *event);
741 extern int bpf_get_kprobe_info(const struct perf_event *event,
742 u32 *fd_type, const char **symbol,
743 u64 *probe_offset, u64 *probe_addr,
744 bool perf_type_tracepoint);
746 #ifdef CONFIG_UPROBE_EVENTS
747 extern int perf_uprobe_init(struct perf_event *event,
748 unsigned long ref_ctr_offset, bool is_retprobe);
749 extern void perf_uprobe_destroy(struct perf_event *event);
750 extern int bpf_get_uprobe_info(const struct perf_event *event,
751 u32 *fd_type, const char **filename,
752 u64 *probe_offset, u64 *probe_addr,
753 bool perf_type_tracepoint);
755 extern int ftrace_profile_set_filter(struct perf_event *event, int event_id,
757 extern void ftrace_profile_free_filter(struct perf_event *event);
758 void perf_trace_buf_update(void *record, u16 type);
759 void *perf_trace_buf_alloc(int size, struct pt_regs **regs, int *rctxp);
761 void bpf_trace_run1(struct bpf_prog *prog, u64 arg1);
762 void bpf_trace_run2(struct bpf_prog *prog, u64 arg1, u64 arg2);
763 void bpf_trace_run3(struct bpf_prog *prog, u64 arg1, u64 arg2,
765 void bpf_trace_run4(struct bpf_prog *prog, u64 arg1, u64 arg2,
767 void bpf_trace_run5(struct bpf_prog *prog, u64 arg1, u64 arg2,
768 u64 arg3, u64 arg4, u64 arg5);
769 void bpf_trace_run6(struct bpf_prog *prog, u64 arg1, u64 arg2,
770 u64 arg3, u64 arg4, u64 arg5, u64 arg6);
771 void bpf_trace_run7(struct bpf_prog *prog, u64 arg1, u64 arg2,
772 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7);
773 void bpf_trace_run8(struct bpf_prog *prog, u64 arg1, u64 arg2,
774 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7,
776 void bpf_trace_run9(struct bpf_prog *prog, u64 arg1, u64 arg2,
777 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7,
779 void bpf_trace_run10(struct bpf_prog *prog, u64 arg1, u64 arg2,
780 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7,
781 u64 arg8, u64 arg9, u64 arg10);
782 void bpf_trace_run11(struct bpf_prog *prog, u64 arg1, u64 arg2,
783 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7,
784 u64 arg8, u64 arg9, u64 arg10, u64 arg11);
785 void bpf_trace_run12(struct bpf_prog *prog, u64 arg1, u64 arg2,
786 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7,
787 u64 arg8, u64 arg9, u64 arg10, u64 arg11, u64 arg12);
788 void perf_trace_run_bpf_submit(void *raw_data, int size, int rctx,
789 struct trace_event_call *call, u64 count,
790 struct pt_regs *regs, struct hlist_head *head,
791 struct task_struct *task);
794 perf_trace_buf_submit(void *raw_data, int size, int rctx, u16 type,
795 u64 count, struct pt_regs *regs, void *head,
796 struct task_struct *task)
798 perf_tp_event(type, count, raw_data, size, regs, head, rctx, task);
803 #endif /* _LINUX_TRACE_EVENT_H */