1 // SPDX-License-Identifier: GPL-2.0
2 #ifndef __TRACE_EVENTS_H
3 #define __TRACE_EVENTS_H
5 #include <linux/trace_seq.h>
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);
16 seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
17 unsigned long sym_flags);
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);
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,
28 int flags, struct trace_event *event);
30 trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
32 /* used by module unregistering */
33 extern int __unregister_trace_event(struct trace_event *event);
34 extern struct rw_semaphore trace_event_sem;
36 #define SEQ_PUT_FIELD(s, x) \
37 trace_seq_putmem(s, &(x), sizeof(x))
39 #define SEQ_PUT_HEX_FIELD(s, x) \
40 trace_seq_putmem_hex(s, &(x), sizeof(x))