lib/librte_eal/include/rte_trace_point_register.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2020 Marvell International Ltd.
   3  */
   4
   5 #ifndef _RTE_TRACE_POINT_REGISTER_H_
   6 #define _RTE_TRACE_POINT_REGISTER_H_
   7
   8 #ifdef _RTE_TRACE_POINT_H_
   9 #error for registration, include this file first before <rte_trace_point.h>
  10 #endif
  11
  12 #include <rte_per_lcore.h>
  13 #include <rte_trace_point.h>
  14
  15 RTE_DECLARE_PER_LCORE(volatile int, trace_point_sz);
  16
  17 #define RTE_TRACE_POINT_REGISTER(trace, name) \
  18         __rte_trace_point_register(&__##trace, RTE_STR(name), \
  19                 (void (*)(void)) trace)
  20
  21 #define __rte_trace_point_emit_header_generic(t) \
  22         RTE_PER_LCORE(trace_point_sz) = __RTE_TRACE_EVENT_HEADER_SZ
  23
  24 #define __rte_trace_point_emit_header_fp(t) \
  25         __rte_trace_point_emit_header_generic(t)
  26
  27 #define __rte_trace_point_emit(in, type) \
  28 do { \
  29         RTE_BUILD_BUG_ON(sizeof(type) != sizeof(typeof(in))); \
  30         __rte_trace_point_emit_field(sizeof(type), RTE_STR(in), \
  31                 RTE_STR(type)); \
  32 } while (0)
  33
  34 #define rte_trace_point_emit_string(in) \
  35 do { \
  36         RTE_SET_USED(in); \
  37         __rte_trace_point_emit_field(__RTE_TRACE_EMIT_STRING_LEN_MAX, \
  38                 RTE_STR(in)"[32]", "string_bounded_t"); \
  39 } while (0)
  40
  41 #endif /* _RTE_TRACE_POINT_REGISTER_H_ */