include/lttng/tracef.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright (C) 2013-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5  */
   6
   7 #ifndef _LTTNG_UST_TRACEF_H
   8 #define _LTTNG_UST_TRACEF_H
   9
  10 #include <lttng/tp/lttng-ust-tracef.h>
  11
  12 #ifdef __cplusplus
  13 extern "C" {
  14 #endif
  15
  16 extern
  17 void _lttng_ust_tracef(const char *fmt, ...);
  18
  19 extern
  20 void _lttng_ust_vtracef(const char *fmt, va_list ap);
  21
  22 #define tracef(fmt, ...)                                                \
  23         do {                                                            \
  24                 LTTNG_STAP_PROBEV(tracepoint_lttng_ust_tracef, event, ## __VA_ARGS__); \
  25                 if (caa_unlikely(__tracepoint_lttng_ust_tracef___event.state)) \
  26                         _lttng_ust_tracef(fmt, ## __VA_ARGS__);         \
  27         } while (0)
  28
  29 #define vtracef(fmt, ap)                                                \
  30         do {                                                            \
  31                 if (caa_unlikely(__tracepoint_lttng_ust_tracef___event.state)) \
  32                         _lttng_ust_vtracef(fmt, ap);            \
  33         } while (0)
  34 #ifdef __cplusplus
  35 }
  36 #endif
  37
  38 #endif /* _LTTNG_UST_TRACEF_H */