1// SPDX-License-Identifier: GPL-2.0
2#ifndef __TRACE_EVENTS_H
3#define __TRACE_EVENTS_H
4
5#include <linux/trace_seq.h>
6#include "trace.h"
7
8extern enum print_line_t
9trace_print_bputs_msg_only(struct trace_iterator *iter);
10extern enum print_line_t
11trace_print_bprintk_msg_only(struct trace_iterator *iter);
12extern enum print_line_t
13trace_print_printk_msg_only(struct trace_iterator *iter);
14
15extern int
16seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
17 unsigned long sym_flags);
18
19extern int trace_print_context(struct trace_iterator *iter);
20extern int trace_print_lat_context(struct trace_iterator *iter);
21
22extern void trace_event_read_lock(void);
23extern void trace_event_read_unlock(void);
24extern struct trace_event *ftrace_find_event(int type);
25
26extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
27 int flags, struct trace_event *event);
28extern int
29trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
30
31/* used by module unregistering */
32extern int __unregister_trace_event(struct trace_event *event);
33extern struct rw_semaphore trace_event_sem;
34
35#define SEQ_PUT_FIELD(s, x) \
36 trace_seq_putmem(s, &(x), sizeof(x))
37
38#define SEQ_PUT_HEX_FIELD(s, x) \
39 trace_seq_putmem_hex(s, &(x), sizeof(x))
40
41#endif
42
43