instrumentation/events/lttng-module/lttng.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM lttng
   3
   4 #if !defined(_TRACE_LTTNG_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_LTTNG_H
   6
   7 #include <linux/tracepoint.h>
   8
   9 TRACE_EVENT(lttng_metadata,
  10
  11         TP_PROTO(const char *str),
  12
  13         TP_ARGS(str),
  14
  15         /*
  16          * Not exactly a string: more a sequence of bytes (dynamic
  17          * array) without the length. This is a dummy anyway: we only
  18          * use this declaration to generate an event metadata entry.
  19          */
  20         TP_STRUCT__entry(
  21                 __string(       str,            str     )
  22         ),
  23
  24         TP_fast_assign(
  25                 tp_strcpy(str, str)
  26         ),
  27
  28         TP_printk("")
  29 )
  30
  31 #endif /*  _TRACE_LTTNG_H */
  32
  33 /* This part must be outside protection */
  34 #include "../../../probes/define_trace.h"