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