1 #ifndef __TRACE_EVENTS_H
2 #define __TRACE_EVENTS_H
4 #include <linux/trace_seq.h>
7 extern enum print_line_t
8 trace_print_bprintk_msg_only(struct trace_iterator *iter);
9 extern enum print_line_t
10 trace_print_printk_msg_only(struct trace_iterator *iter);
13 seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
14 unsigned long sym_flags);
15 extern int seq_print_userip_objs(const struct userstack_entry *entry,
16 struct trace_seq *s, 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);
20 extern int trace_print_context(struct trace_iterator *iter);
21 extern int trace_print_lat_context(struct trace_iterator *iter);
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);
27 extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
30 #define MAX_MEMHEX_BYTES 8
31 #define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1)
33 #define SEQ_PUT_FIELD_RET(s, x) \
35 if (!trace_seq_putmem(s, &(x), sizeof(x))) \
36 return TRACE_TYPE_PARTIAL_LINE; \
39 #define SEQ_PUT_HEX_FIELD_RET(s, x) \
41 BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \
42 if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \
43 return TRACE_TYPE_PARTIAL_LINE; \