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