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);
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:
63 * bash-15816 [01] 235.197585: idle_cpu <- irq_enter
68 unsigned char preempt_count;
72 #define TRACE_EVENT_TYPE_MAX \
73 ((1 << (sizeof(((struct trace_entry *)0)->type) * 8)) - 1)
76 * Trace iterator - used by printout routines who present trace
77 * results to users and which routines might sleep, etc:
79 struct trace_iterator {
80 struct trace_array *tr;
82 struct array_buffer *array_buffer;
86 struct ring_buffer_iter **buffer_iter;
87 unsigned long iter_flags;
89 /* trace_seq for __print_flags() and __print_symbolic() etc. */
90 struct trace_seq tmp_seq;
92 cpumask_var_t started;
94 /* it's true when current open file is snapshot */
97 /* The below is zeroed out in pipe_read */
99 struct trace_entry *ent;
100 unsigned long lost_events;
109 /* All new field here will be zeroed out in pipe_read */
112 enum trace_iter_flags {
113 TRACE_FILE_LAT_FMT = 1,
114 TRACE_FILE_ANNOTATE = 2,
115 TRACE_FILE_TIME_IN_NS = 4,
119 typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter,
120 int flags, struct trace_event *event);
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;
130 struct hlist_node node;
131 struct list_head list;
133 struct trace_event_functions *funcs;
136 extern int register_trace_event(struct trace_event *event);
137 extern int unregister_trace_event(struct trace_event *event);
139 /* Return values for print_line callback */
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 */
147 enum print_line_t trace_handle_return(struct trace_seq *s);
149 void tracing_generic_entry_update(struct trace_entry *entry,
153 struct trace_event_file;
155 struct ring_buffer_event *
156 trace_event_buffer_lock_reserve(struct trace_buffer **current_buffer,
157 struct trace_event_file *trace_file,
158 int type, unsigned long len,
159 unsigned long flags, int pc);
161 #define TRACE_RECORD_CMDLINE BIT(0)
162 #define TRACE_RECORD_TGID BIT(1)
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);
168 void tracing_record_cmdline(struct task_struct *task);
169 void tracing_record_tgid(struct task_struct *task);
171 int trace_output_call(struct trace_iterator *iter, char *name, char *fmt, ...);
177 TRACE_REG_UNREGISTER,
178 #ifdef CONFIG_PERF_EVENTS
179 TRACE_REG_PERF_REGISTER,
180 TRACE_REG_PERF_UNREGISTER,
182 TRACE_REG_PERF_CLOSE,
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
193 struct trace_event_call;
195 #define TRACE_FUNCTION_TYPE ((const char *)~0UL)
197 struct trace_event_fields {
205 const int filter_type;
207 int (*define_fields)(struct trace_event_call *);
211 struct trace_event_class {
214 #ifdef CONFIG_PERF_EVENTS
217 int (*reg)(struct trace_event_call *event,
218 enum trace_reg type, void *data);
219 struct trace_event_fields *fields_array;
220 struct list_head *(*get_fields)(struct trace_event_call *);
221 struct list_head fields;
222 int (*raw_init)(struct trace_event_call *);
225 extern int trace_event_reg(struct trace_event_call *event,
226 enum trace_reg type, void *data);
228 struct trace_event_buffer {
229 struct trace_buffer *buffer;
230 struct ring_buffer_event *event;
231 struct trace_event_file *trace_file;
235 struct pt_regs *regs;
238 void *trace_event_buffer_reserve(struct trace_event_buffer *fbuffer,
239 struct trace_event_file *trace_file,
242 void trace_event_buffer_commit(struct trace_event_buffer *fbuffer);
245 TRACE_EVENT_FL_FILTERED_BIT,
246 TRACE_EVENT_FL_CAP_ANY_BIT,
247 TRACE_EVENT_FL_NO_SET_FILTER_BIT,
248 TRACE_EVENT_FL_IGNORE_ENABLE_BIT,
249 TRACE_EVENT_FL_TRACEPOINT_BIT,
250 TRACE_EVENT_FL_KPROBE_BIT,
251 TRACE_EVENT_FL_UPROBE_BIT,
256 * FILTERED - The event has a filter attached
257 * CAP_ANY - Any user can enable for perf
258 * NO_SET_FILTER - Set when filter has error and is to be ignored
259 * IGNORE_ENABLE - For trace internal events, do not enable with debugfs file
260 * TRACEPOINT - Event is a tracepoint
261 * KPROBE - Event is a kprobe
262 * UPROBE - Event is a uprobe
265 TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT),
266 TRACE_EVENT_FL_CAP_ANY = (1 << TRACE_EVENT_FL_CAP_ANY_BIT),
267 TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT),
268 TRACE_EVENT_FL_IGNORE_ENABLE = (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT),
269 TRACE_EVENT_FL_TRACEPOINT = (1 << TRACE_EVENT_FL_TRACEPOINT_BIT),
270 TRACE_EVENT_FL_KPROBE = (1 << TRACE_EVENT_FL_KPROBE_BIT),
271 TRACE_EVENT_FL_UPROBE = (1 << TRACE_EVENT_FL_UPROBE_BIT),
274 #define TRACE_EVENT_FL_UKPROBE (TRACE_EVENT_FL_KPROBE | TRACE_EVENT_FL_UPROBE)
276 struct trace_event_call {
277 struct list_head list;
278 struct trace_event_class *class;
281 /* Set TRACE_EVENT_FL_TRACEPOINT flag when using "tp" */
282 struct tracepoint *tp;
284 struct trace_event event;
286 struct event_filter *filter;
290 * bit 0: filter_active
291 * bit 1: allow trace by non root (cap any)
292 * bit 2: failed to apply filter
293 * bit 3: trace internal event (do not enable)
294 * bit 4: Event was enabled by module
295 * bit 5: use call filter rather than file filter
296 * bit 6: Event is a tracepoint
298 int flags; /* static flags of different events */
300 #ifdef CONFIG_PERF_EVENTS
302 struct hlist_head __percpu *perf_events;
303 struct bpf_prog_array __rcu *prog_array;
305 int (*perf_perm)(struct trace_event_call *,
306 struct perf_event *);
310 #ifdef CONFIG_PERF_EVENTS
311 static inline bool bpf_prog_array_valid(struct trace_event_call *call)
314 * This inline function checks whether call->prog_array
315 * is valid or not. The function is called in various places,
316 * outside rcu_read_lock/unlock, as a heuristic to speed up execution.
318 * If this function returns true, and later call->prog_array
319 * becomes false inside rcu_read_lock/unlock region,
320 * we bail out then. If this function return false,
321 * there is a risk that we might miss a few events if the checking
322 * were delayed until inside rcu_read_lock/unlock region and
323 * call->prog_array happened to become non-NULL then.
325 * Here, READ_ONCE() is used instead of rcu_access_pointer().
326 * rcu_access_pointer() requires the actual definition of
327 * "struct bpf_prog_array" while READ_ONCE() only needs
328 * a declaration of the same type.
330 return !!READ_ONCE(call->prog_array);
334 static inline const char *
335 trace_event_name(struct trace_event_call *call)
337 if (call->flags & TRACE_EVENT_FL_TRACEPOINT)
338 return call->tp ? call->tp->name : NULL;
343 static inline struct list_head *
344 trace_get_fields(struct trace_event_call *event_call)
346 if (!event_call->class->get_fields)
347 return &event_call->class->fields;
348 return event_call->class->get_fields(event_call);
352 struct trace_subsystem_dir;
355 EVENT_FILE_FL_ENABLED_BIT,
356 EVENT_FILE_FL_RECORDED_CMD_BIT,
357 EVENT_FILE_FL_RECORDED_TGID_BIT,
358 EVENT_FILE_FL_FILTERED_BIT,
359 EVENT_FILE_FL_NO_SET_FILTER_BIT,
360 EVENT_FILE_FL_SOFT_MODE_BIT,
361 EVENT_FILE_FL_SOFT_DISABLED_BIT,
362 EVENT_FILE_FL_TRIGGER_MODE_BIT,
363 EVENT_FILE_FL_TRIGGER_COND_BIT,
364 EVENT_FILE_FL_PID_FILTER_BIT,
365 EVENT_FILE_FL_WAS_ENABLED_BIT,
368 extern struct trace_event_file *trace_get_event_file(const char *instance,
371 extern void trace_put_event_file(struct trace_event_file *file);
373 #define MAX_DYNEVENT_CMD_LEN (2048)
376 DYNEVENT_TYPE_SYNTH = 1,
377 DYNEVENT_TYPE_KPROBE,
383 typedef int (*dynevent_create_fn_t)(struct dynevent_cmd *cmd);
385 struct dynevent_cmd {
387 const char *event_name;
388 unsigned int n_fields;
389 enum dynevent_type type;
390 dynevent_create_fn_t run_command;
394 extern int dynevent_create(struct dynevent_cmd *cmd);
396 extern int synth_event_delete(const char *name);
398 extern void synth_event_cmd_init(struct dynevent_cmd *cmd,
399 char *buf, int maxlen);
401 extern int __synth_event_gen_cmd_start(struct dynevent_cmd *cmd,
403 struct module *mod, ...);
405 #define synth_event_gen_cmd_start(cmd, name, mod, ...) \
406 __synth_event_gen_cmd_start(cmd, name, mod, ## __VA_ARGS__, NULL)
408 struct synth_field_desc {
413 extern int synth_event_gen_cmd_array_start(struct dynevent_cmd *cmd,
416 struct synth_field_desc *fields,
417 unsigned int n_fields);
418 extern int synth_event_create(const char *name,
419 struct synth_field_desc *fields,
420 unsigned int n_fields, struct module *mod);
422 extern int synth_event_add_field(struct dynevent_cmd *cmd,
425 extern int synth_event_add_field_str(struct dynevent_cmd *cmd,
426 const char *type_name);
427 extern int synth_event_add_fields(struct dynevent_cmd *cmd,
428 struct synth_field_desc *fields,
429 unsigned int n_fields);
431 #define synth_event_gen_cmd_end(cmd) \
436 struct synth_event_trace_state {
437 struct trace_event_buffer fbuffer;
438 struct synth_trace_event *entry;
439 struct trace_buffer *buffer;
440 struct synth_event *event;
441 unsigned int cur_field;
448 extern int synth_event_trace(struct trace_event_file *file,
449 unsigned int n_vals, ...);
450 extern int synth_event_trace_array(struct trace_event_file *file, u64 *vals,
451 unsigned int n_vals);
452 extern int synth_event_trace_start(struct trace_event_file *file,
453 struct synth_event_trace_state *trace_state);
454 extern int synth_event_add_next_val(u64 val,
455 struct synth_event_trace_state *trace_state);
456 extern int synth_event_add_val(const char *field_name, u64 val,
457 struct synth_event_trace_state *trace_state);
458 extern int synth_event_trace_end(struct synth_event_trace_state *trace_state);
460 extern int kprobe_event_delete(const char *name);
462 extern void kprobe_event_cmd_init(struct dynevent_cmd *cmd,
463 char *buf, int maxlen);
465 #define kprobe_event_gen_cmd_start(cmd, name, loc, ...) \
466 __kprobe_event_gen_cmd_start(cmd, false, name, loc, ## __VA_ARGS__, NULL)
468 #define kretprobe_event_gen_cmd_start(cmd, name, loc, ...) \
469 __kprobe_event_gen_cmd_start(cmd, true, name, loc, ## __VA_ARGS__, NULL)
471 extern int __kprobe_event_gen_cmd_start(struct dynevent_cmd *cmd,
474 const char *loc, ...);
476 #define kprobe_event_add_fields(cmd, ...) \
477 __kprobe_event_add_fields(cmd, ## __VA_ARGS__, NULL)
479 #define kprobe_event_add_field(cmd, field) \
480 __kprobe_event_add_fields(cmd, field, NULL)
482 extern int __kprobe_event_add_fields(struct dynevent_cmd *cmd, ...);
484 #define kprobe_event_gen_cmd_end(cmd) \
487 #define kretprobe_event_gen_cmd_end(cmd) \
492 * ENABLED - The event is enabled
493 * RECORDED_CMD - The comms should be recorded at sched_switch
494 * RECORDED_TGID - The tgids should be recorded at sched_switch
495 * FILTERED - The event has a filter attached
496 * NO_SET_FILTER - Set when filter has error and is to be ignored
497 * SOFT_MODE - The event is enabled/disabled by SOFT_DISABLED
498 * SOFT_DISABLED - When set, do not trace the event (even though its
499 * tracepoint may be enabled)
500 * TRIGGER_MODE - When set, invoke the triggers associated with the event
501 * TRIGGER_COND - When set, one or more triggers has an associated filter
502 * PID_FILTER - When set, the event is filtered based on pid
503 * WAS_ENABLED - Set when enabled to know to clear trace on module removal
506 EVENT_FILE_FL_ENABLED = (1 << EVENT_FILE_FL_ENABLED_BIT),
507 EVENT_FILE_FL_RECORDED_CMD = (1 << EVENT_FILE_FL_RECORDED_CMD_BIT),
508 EVENT_FILE_FL_RECORDED_TGID = (1 << EVENT_FILE_FL_RECORDED_TGID_BIT),
509 EVENT_FILE_FL_FILTERED = (1 << EVENT_FILE_FL_FILTERED_BIT),
510 EVENT_FILE_FL_NO_SET_FILTER = (1 << EVENT_FILE_FL_NO_SET_FILTER_BIT),
511 EVENT_FILE_FL_SOFT_MODE = (1 << EVENT_FILE_FL_SOFT_MODE_BIT),
512 EVENT_FILE_FL_SOFT_DISABLED = (1 << EVENT_FILE_FL_SOFT_DISABLED_BIT),
513 EVENT_FILE_FL_TRIGGER_MODE = (1 << EVENT_FILE_FL_TRIGGER_MODE_BIT),
514 EVENT_FILE_FL_TRIGGER_COND = (1 << EVENT_FILE_FL_TRIGGER_COND_BIT),
515 EVENT_FILE_FL_PID_FILTER = (1 << EVENT_FILE_FL_PID_FILTER_BIT),
516 EVENT_FILE_FL_WAS_ENABLED = (1 << EVENT_FILE_FL_WAS_ENABLED_BIT),
519 struct trace_event_file {
520 struct list_head list;
521 struct trace_event_call *event_call;
522 struct event_filter __rcu *filter;
524 struct trace_array *tr;
525 struct trace_subsystem_dir *system;
526 struct list_head triggers;
531 * bit 1: enabled cmd record
532 * bit 2: enable/disable with the soft disable bit
533 * bit 3: soft disabled
534 * bit 4: trigger enabled
536 * Note: The bits must be set atomically to prevent races
537 * from other writers. Reads of flags do not need to be in
538 * sync as they occur in critical sections. But the way flags
539 * is currently used, these changes do not affect the code
540 * except that when a change is made, it may have a slight
541 * delay in propagating the changes to other CPUs due to
542 * caching and such. Which is mostly OK ;-)
545 atomic_t sm_ref; /* soft-mode reference counter */
546 atomic_t tm_ref; /* trigger-mode reference counter */
549 #define __TRACE_EVENT_FLAGS(name, value) \
550 static int __init trace_init_flags_##name(void) \
552 event_##name.flags |= value; \
555 early_initcall(trace_init_flags_##name);
557 #define __TRACE_EVENT_PERF_PERM(name, expr...) \
558 static int perf_perm_##name(struct trace_event_call *tp_event, \
559 struct perf_event *p_event) \
561 return ({ expr; }); \
563 static int __init trace_init_perf_perm_##name(void) \
565 event_##name.perf_perm = &perf_perm_##name; \
568 early_initcall(trace_init_perf_perm_##name);
570 #define PERF_MAX_TRACE_SIZE 2048
572 #define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */
574 enum event_trigger_type {
576 ETT_TRACE_ONOFF = (1 << 0),
577 ETT_SNAPSHOT = (1 << 1),
578 ETT_STACKTRACE = (1 << 2),
579 ETT_EVENT_ENABLE = (1 << 3),
580 ETT_EVENT_HIST = (1 << 4),
581 ETT_HIST_ENABLE = (1 << 5),
584 extern int filter_match_preds(struct event_filter *filter, void *rec);
586 extern enum event_trigger_type
587 event_triggers_call(struct trace_event_file *file, void *rec,
588 struct ring_buffer_event *event);
590 event_triggers_post_call(struct trace_event_file *file,
591 enum event_trigger_type tt);
593 bool trace_event_ignore_this_pid(struct trace_event_file *trace_file);
596 * trace_trigger_soft_disabled - do triggers and test if soft disabled
597 * @file: The file pointer of the event to test
599 * If any triggers without filters are attached to this event, they
600 * will be called here. If the event is soft disabled and has no
601 * triggers that require testing the fields, it will return true,
605 trace_trigger_soft_disabled(struct trace_event_file *file)
607 unsigned long eflags = file->flags;
609 if (!(eflags & EVENT_FILE_FL_TRIGGER_COND)) {
610 if (eflags & EVENT_FILE_FL_TRIGGER_MODE)
611 event_triggers_call(file, NULL, NULL);
612 if (eflags & EVENT_FILE_FL_SOFT_DISABLED)
614 if (eflags & EVENT_FILE_FL_PID_FILTER)
615 return trace_event_ignore_this_pid(file);
620 #ifdef CONFIG_BPF_EVENTS
621 unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx);
622 int perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog);
623 void perf_event_detach_bpf_prog(struct perf_event *event);
624 int perf_event_query_prog_array(struct perf_event *event, void __user *info);
625 int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *prog);
626 int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *prog);
627 struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name);
628 void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp);
629 int bpf_get_perf_event_info(const struct perf_event *event, u32 *prog_id,
630 u32 *fd_type, const char **buf,
631 u64 *probe_offset, u64 *probe_addr);
633 static inline unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx)
639 perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog)
644 static inline void perf_event_detach_bpf_prog(struct perf_event *event) { }
647 perf_event_query_prog_array(struct perf_event *event, void __user *info)
651 static inline int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *p)
655 static inline int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *p)
659 static inline struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name)
663 static inline void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp)
666 static inline int bpf_get_perf_event_info(const struct perf_event *event,
667 u32 *prog_id, u32 *fd_type,
668 const char **buf, u64 *probe_offset,
677 FILTER_STATIC_STRING,
685 extern int trace_event_raw_init(struct trace_event_call *call);
686 extern int trace_define_field(struct trace_event_call *call, const char *type,
687 const char *name, int offset, int size,
688 int is_signed, int filter_type);
689 extern int trace_add_event_call(struct trace_event_call *call);
690 extern int trace_remove_event_call(struct trace_event_call *call);
691 extern int trace_event_get_offsets(struct trace_event_call *call);
693 #define is_signed_type(type) (((type)(-1)) < (type)1)
695 int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set);
696 int trace_set_clr_event(const char *system, const char *event, int set);
697 int trace_array_set_clr_event(struct trace_array *tr, const char *system,
698 const char *event, bool enable);
700 * The double __builtin_constant_p is because gcc will give us an error
701 * if we try to allocate the static variable to fmt if it is not a
702 * constant. Even with the outer if statement optimizing out.
704 #define event_trace_printk(ip, fmt, args...) \
706 __trace_printk_check_format(fmt, ##args); \
707 tracing_record_cmdline(current); \
708 if (__builtin_constant_p(fmt)) { \
709 static const char *trace_printk_fmt \
710 __attribute__((section("__trace_printk_fmt"))) = \
711 __builtin_constant_p(fmt) ? fmt : NULL; \
713 __trace_bprintk(ip, trace_printk_fmt, ##args); \
715 __trace_printk(ip, fmt, ##args); \
718 #ifdef CONFIG_PERF_EVENTS
721 DECLARE_PER_CPU(struct pt_regs, perf_trace_regs);
722 DECLARE_PER_CPU(int, bpf_kprobe_override);
724 extern int perf_trace_init(struct perf_event *event);
725 extern void perf_trace_destroy(struct perf_event *event);
726 extern int perf_trace_add(struct perf_event *event, int flags);
727 extern void perf_trace_del(struct perf_event *event, int flags);
728 #ifdef CONFIG_KPROBE_EVENTS
729 extern int perf_kprobe_init(struct perf_event *event, bool is_retprobe);
730 extern void perf_kprobe_destroy(struct perf_event *event);
731 extern int bpf_get_kprobe_info(const struct perf_event *event,
732 u32 *fd_type, const char **symbol,
733 u64 *probe_offset, u64 *probe_addr,
734 bool perf_type_tracepoint);
736 #ifdef CONFIG_UPROBE_EVENTS
737 extern int perf_uprobe_init(struct perf_event *event,
738 unsigned long ref_ctr_offset, bool is_retprobe);
739 extern void perf_uprobe_destroy(struct perf_event *event);
740 extern int bpf_get_uprobe_info(const struct perf_event *event,
741 u32 *fd_type, const char **filename,
742 u64 *probe_offset, bool perf_type_tracepoint);
744 extern int ftrace_profile_set_filter(struct perf_event *event, int event_id,
746 extern void ftrace_profile_free_filter(struct perf_event *event);
747 void perf_trace_buf_update(void *record, u16 type);
748 void *perf_trace_buf_alloc(int size, struct pt_regs **regs, int *rctxp);
750 void bpf_trace_run1(struct bpf_prog *prog, u64 arg1);
751 void bpf_trace_run2(struct bpf_prog *prog, u64 arg1, u64 arg2);
752 void bpf_trace_run3(struct bpf_prog *prog, u64 arg1, u64 arg2,
754 void bpf_trace_run4(struct bpf_prog *prog, u64 arg1, u64 arg2,
756 void bpf_trace_run5(struct bpf_prog *prog, u64 arg1, u64 arg2,
757 u64 arg3, u64 arg4, u64 arg5);
758 void bpf_trace_run6(struct bpf_prog *prog, u64 arg1, u64 arg2,
759 u64 arg3, u64 arg4, u64 arg5, u64 arg6);
760 void bpf_trace_run7(struct bpf_prog *prog, u64 arg1, u64 arg2,
761 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7);
762 void bpf_trace_run8(struct bpf_prog *prog, u64 arg1, u64 arg2,
763 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7,
765 void bpf_trace_run9(struct bpf_prog *prog, u64 arg1, u64 arg2,
766 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7,
768 void bpf_trace_run10(struct bpf_prog *prog, u64 arg1, u64 arg2,
769 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7,
770 u64 arg8, u64 arg9, u64 arg10);
771 void bpf_trace_run11(struct bpf_prog *prog, u64 arg1, u64 arg2,
772 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7,
773 u64 arg8, u64 arg9, u64 arg10, u64 arg11);
774 void bpf_trace_run12(struct bpf_prog *prog, u64 arg1, u64 arg2,
775 u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7,
776 u64 arg8, u64 arg9, u64 arg10, u64 arg11, u64 arg12);
777 void perf_trace_run_bpf_submit(void *raw_data, int size, int rctx,
778 struct trace_event_call *call, u64 count,
779 struct pt_regs *regs, struct hlist_head *head,
780 struct task_struct *task);
783 perf_trace_buf_submit(void *raw_data, int size, int rctx, u16 type,
784 u64 count, struct pt_regs *regs, void *head,
785 struct task_struct *task)
787 perf_tp_event(type, count, raw_data, size, regs, head, rctx, task);
792 #endif /* _LINUX_TRACE_EVENT_H */