xref: /openbmc/linux/kernel/trace/trace_output.h (revision 6b1032d5)
1 #ifndef __TRACE_EVENTS_H
2 #define __TRACE_EVENTS_H
3 
4 #include <linux/trace_seq.h>
5 #include "trace.h"
6 
7 extern enum print_line_t
8 trace_print_bputs_msg_only(struct trace_iterator *iter);
9 extern enum print_line_t
10 trace_print_bprintk_msg_only(struct trace_iterator *iter);
11 extern enum print_line_t
12 trace_print_printk_msg_only(struct trace_iterator *iter);
13 
14 extern int
15 seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
16 		unsigned long sym_flags);
17 extern int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
18 			     unsigned long ip, unsigned long sym_flags);
19 
20 extern int trace_print_context(struct trace_iterator *iter);
21 extern int trace_print_lat_context(struct trace_iterator *iter);
22 
23 extern void trace_event_read_lock(void);
24 extern void trace_event_read_unlock(void);
25 extern struct trace_event *ftrace_find_event(int type);
26 
27 extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
28 					 int flags, struct trace_event *event);
29 extern int
30 trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
31 
32 /* used by module unregistering */
33 extern int __unregister_trace_event(struct trace_event *event);
34 extern 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 
44