include/lttng/tracef.h

   1 // SPDX-FileCopyrightText: 2013-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   2 //
   3 // SPDX-License-Identifier: MIT
   4
   5 #ifndef _LTTNG_UST_TRACEF_H
   6 #define _LTTNG_UST_TRACEF_H
   7
   8 #include <lttng/ust-api-compat.h>
   9 #include <lttng/tp/lttng-ust-tracef.h>
  10
  11 #ifdef __cplusplus
  12 extern "C" {
  13 #endif
  14
  15 extern
  16 void lttng_ust__tracef(const char *fmt, ...)
  17         __attribute__((format(printf, 1, 2)));
  18
  19 extern
  20 void lttng_ust__vtracef(const char *fmt, va_list ap)
  21         __attribute__((format(printf, 1, 0)));
  22
  23 #define lttng_ust_tracef(fmt, ...)                                              \
  24         do {                                                            \
  25                 LTTNG_UST_STAP_PROBEV(tracepoint_lttng_ust_tracef, event, ## __VA_ARGS__); \
  26                 if (caa_unlikely(lttng_ust_tracepoint_lttng_ust_tracef___event.state)) \
  27                         lttng_ust__tracef(fmt, ## __VA_ARGS__);         \
  28         } while (0)
  29
  30 #define lttng_ust_vtracef(fmt, ap)                                              \
  31         do {                                                            \
  32                 if (caa_unlikely(lttng_ust_tracepoint_lttng_ust_tracef___event.state)) \
  33                         lttng_ust__vtracef(fmt, ap);            \
  34         } while (0)
  35
  36 #if LTTNG_UST_COMPAT_API(0)
  37 #define tracef          lttng_ust_tracef
  38 #endif
  39
  40 #ifdef __cplusplus
  41 }
  42 #endif
  43
  44 #endif /* _LTTNG_UST_TRACEF_H */