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/ust-api-compat.h>
  11 #include <lttng/tp/lttng-ust-tracef.h>
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 extern
  18 void lttng_ust__tracef(const char *fmt, ...)
  19         __attribute__((format(printf, 1, 2)));
  20
  21 extern
  22 void lttng_ust__vtracef(const char *fmt, va_list ap)
  23         __attribute__((format(printf, 1, 0)));
  24
  25 #define lttng_ust_tracef(fmt, ...)                                              \
  26         do {                                                            \
  27                 LTTNG_UST_STAP_PROBEV(tracepoint_lttng_ust_tracef, event, ## __VA_ARGS__); \
  28                 if (caa_unlikely(lttng_ust_tracepoint_lttng_ust_tracef___event.state)) \
  29                         lttng_ust__tracef(fmt, ## __VA_ARGS__);         \
  30         } while (0)
  31
  32 #define lttng_ust_vtracef(fmt, ap)                                              \
  33         do {                                                            \
  34                 if (caa_unlikely(lttng_ust_tracepoint_lttng_ust_tracef___event.state)) \
  35                         lttng_ust__vtracef(fmt, ap);            \
  36         } while (0)
  37
  38 #if LTTNG_UST_COMPAT_API(0)
  39 #define tracef          lttng_ust_tracef
  40 #endif
  41
  42 #ifdef __cplusplus
  43 }
  44 #endif
  45
  46 #endif /* _LTTNG_UST_TRACEF_H */