extern void trace_seq_print_sym(struct trace_seq *s, unsigned long address, bool offset);
extern int trace_print_context(struct trace_iterator *iter);
extern int trace_print_lat_context(struct trace_iterator *iter);
+extern enum print_line_t print_event_fields(struct trace_iterator *iter,
+ struct trace_event *event);
extern void trace_event_read_lock(void);
extern void trace_event_read_unlock(void);