kernel/trace/trace_output.h

   1 #ifndef __TRACE_EVENTS_H
   2 #define __TRACE_EVENTS_H
   3
   4 #include <linux/trace_seq.h>
   5 #include "trace.h"
   6
   7 extern enum print_line_t
   8 trace_print_bputs_msg_only(struct trace_iterator *iter);
   9 extern enum print_line_t
  10 trace_print_bprintk_msg_only(struct trace_iterator *iter);
  11 extern enum print_line_t
  12 trace_print_printk_msg_only(struct trace_iterator *iter);
  13
  14 extern int
  15 seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
  16                 unsigned long sym_flags);
  17
  18 extern int trace_print_context(struct trace_iterator *iter);
  19 extern int trace_print_lat_context(struct trace_iterator *iter);
  20
  21 extern void trace_event_read_lock(void);
  22 extern void trace_event_read_unlock(void);
  23 extern struct trace_event *ftrace_find_event(int type);
  24
  25 extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
  26                                          int flags, struct trace_event *event);
  27 extern int
  28 trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
  29
  30 /* used by module unregistering */
  31 extern int __unregister_trace_event(struct trace_event *event);
  32 extern struct rw_semaphore trace_event_sem;
  33
  34 #define SEQ_PUT_FIELD(s, x)                             \
  35         trace_seq_putmem(s, &(x), sizeof(x))
  36
  37 #define SEQ_PUT_HEX_FIELD(s, x)                         \
  38         trace_seq_putmem_hex(s, &(x), sizeof(x))
  39
  40 #endif
  41