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 | |
8 | extern enum print_line_t |
9 | trace_print_bputs_msg_only(struct trace_iterator *iter); |
10 | extern enum print_line_t |
11 | trace_print_bprintk_msg_only(struct trace_iterator *iter); |
12 | extern enum print_line_t |
13 | trace_print_printk_msg_only(struct trace_iterator *iter); |
14 | |
15 | extern int |
16 | seq_print_ip_sym(struct trace_seq *s, unsigned long ip, |
17 | unsigned long sym_flags); |
18 | |
19 | extern void trace_seq_print_sym(struct trace_seq *s, unsigned long address, bool offset); |
20 | extern int trace_print_context(struct trace_iterator *iter); |
21 | extern int trace_print_lat_context(struct trace_iterator *iter); |
22 | extern enum print_line_t print_event_fields(struct trace_iterator *iter, |
23 | struct trace_event *event); |
24 | |
25 | extern void trace_event_read_lock(void); |
26 | extern void trace_event_read_unlock(void); |
27 | extern struct trace_event *ftrace_find_event(int type); |
28 | |
29 | extern enum print_line_t trace_nop_print(struct trace_iterator *iter, |
30 | int flags, struct trace_event *event); |
31 | extern int |
32 | trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry); |
33 | |
34 | /* used by module unregistering */ |
35 | extern int __unregister_trace_event(struct trace_event *event); |
36 | extern struct rw_semaphore trace_event_sem; |
37 | |
38 | #define SEQ_PUT_FIELD(s, x) \ |
39 | trace_seq_putmem(s, &(x), sizeof(x)) |
40 | |
41 | #define SEQ_PUT_HEX_FIELD(s, x) \ |
42 | trace_seq_putmem_hex(s, &(x), sizeof(x)) |
43 | |
44 | #endif |
45 | |
46 | |