#ifndef __TRACE_EVENTS_H#define __TRACE_EVENTS_H #include <linux/trace_seq.h>#include "trace.h" extern enum print_line_ttrace_print_bputs_msg_only(struct trace_iterator *iter);extern enum print_line_ttrace_print_bprintk_msg_only(struct trace_iterator *iter);extern enum print_line_ttrace_print_printk_msg_only(struct trace_iterator *iter); extern intseq_print_ip_sym(struct trace_seq *s, unsigned long ip,		unsigned long sym_flags);extern int seq_print_userip_objs(const struct userstack_entry *entry,				 struct trace_seq *s, unsigned long sym_flags);extern int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,			     unsigned long ip, unsigned long sym_flags); extern int trace_print_context(struct trace_iterator *iter);extern int trace_print_lat_context(struct trace_iterator *iter); extern void trace_event_read_lock(void);extern void trace_event_read_unlock(void);extern struct trace_event *ftrace_find_event(int type); extern enum print_line_t trace_nop_print(struct trace_iterator *iter,					 int flags, struct trace_event *event);extern inttrace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry); /* used by module unregistering */extern int __unregister_ftrace_event(struct trace_event *event);extern struct rw_semaphore trace_event_sem; #define MAX_MEMHEX_BYTES	8#define HEX_CHARS		(MAX_MEMHEX_BYTES*2 + 1) #define SEQ_PUT_FIELD_RET(s, x)				\do {							\	if (!trace_seq_putmem(s, &(x), sizeof(x)))	\		return TRACE_TYPE_PARTIAL_LINE;		\} while (0) #define SEQ_PUT_HEX_FIELD_RET(s, x)			\do {							\	BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES);	\	if (!trace_seq_putmem_hex(s, &(x), sizeof(x)))	\		return TRACE_TYPE_PARTIAL_LINE;		\} while (0) #endif