1#ifndef __TRACE_EVENTS_H
 2#define __TRACE_EVENTS_H
 3
 4#include <linux/trace_seq.h>
 5#include "trace.h"
 6
 7extern enum print_line_t
 8trace_print_bputs_msg_only(struct trace_iterator *iter);
 9extern enum print_line_t
10trace_print_bprintk_msg_only(struct trace_iterator *iter);
11extern enum print_line_t
12trace_print_printk_msg_only(struct trace_iterator *iter);
13
14extern int
15seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
16		unsigned long sym_flags);
17extern int seq_print_userip_objs(const struct userstack_entry *entry,
18				 struct trace_seq *s, unsigned long sym_flags);
19extern int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
20			     unsigned long ip, unsigned long sym_flags);
21
 
22extern int trace_print_context(struct trace_iterator *iter);
23extern int trace_print_lat_context(struct trace_iterator *iter);
24
25extern void trace_event_read_lock(void);
26extern void trace_event_read_unlock(void);
27extern struct trace_event *ftrace_find_event(int type);
28
29extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
30					 int flags, struct trace_event *event);
31extern int
32trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
33
34/* used by module unregistering */
35extern int __unregister_ftrace_event(struct trace_event *event);
36extern struct rw_semaphore trace_event_sem;
37
38#define MAX_MEMHEX_BYTES	8
39#define HEX_CHARS		(MAX_MEMHEX_BYTES*2 + 1)
40
41#define SEQ_PUT_FIELD_RET(s, x)				\
42do {							\
43	if (!trace_seq_putmem(s, &(x), sizeof(x)))	\
44		return TRACE_TYPE_PARTIAL_LINE;		\
45} while (0)
46
47#define SEQ_PUT_HEX_FIELD_RET(s, x)			\
48do {							\
49	BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES);	\
50	if (!trace_seq_putmem_hex(s, &(x), sizeof(x)))	\
51		return TRACE_TYPE_PARTIAL_LINE;		\
52} while (0)
53
54#endif
55

 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 void trace_seq_print_sym(struct trace_seq *s, unsigned long address, bool offset);
20extern int trace_print_context(struct trace_iterator *iter);
21extern int trace_print_lat_context(struct trace_iterator *iter);
22
23extern void trace_event_read_lock(void);
24extern void trace_event_read_unlock(void);
25extern struct trace_event *ftrace_find_event(int type);
26
27extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
28					 int flags, struct trace_event *event);
29extern int
30trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
31
32/* used by module unregistering */
33extern int __unregister_trace_event(struct trace_event *event);
34extern struct rw_semaphore trace_event_sem;
35
36#define SEQ_PUT_FIELD(s, x)				\
37	trace_seq_putmem(s, &(x), sizeof(x))
38
39#define SEQ_PUT_HEX_FIELD(s, x)				\
40	trace_seq_putmem_hex(s, &(x), sizeof(x))
 
 
 
 
 
 
 
 
 
 
41
42#endif
43