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_H_
   6 #error do not include this file directly, use <rte_trace_point.h> instead
   7 #endif
   8
   9 #ifndef _RTE_TRACE_POINT_REGISTER_H_
  10 #define _RTE_TRACE_POINT_REGISTER_H_
  11
  12 #include <rte_per_lcore.h>
  13
  14 RTE_DECLARE_PER_LCORE(volatile int, trace_point_sz);
  15
  16 #define RTE_TRACE_POINT_REGISTER(trace, name) \
  17         __rte_trace_point_register(&__##trace, RTE_STR(name), \
  18                 (void (*)(void)) trace)
  19
  20 #define __rte_trace_point_emit_header_generic(t) \
  21         RTE_PER_LCORE(trace_point_sz) = __RTE_TRACE_EVENT_HEADER_SZ
  22
  23 #define __rte_trace_point_emit_header_fp(t) \
  24         __rte_trace_point_emit_header_generic(t)
  25
  26 #define __rte_trace_point_emit(in, type) \
  27 do { \
  28         RTE_BUILD_BUG_ON(sizeof(type) != sizeof(typeof(in))); \
  29         __rte_trace_point_emit_field(sizeof(type), RTE_STR(in), \
  30                 RTE_STR(type)); \
  31 } while (0)
  32
  33 #define rte_trace_point_emit_string(in) \
  34 do { \
  35         RTE_SET_USED(in); \
  36         __rte_trace_point_emit_field(__RTE_TRACE_EMIT_STRING_LEN_MAX, \
  37                 RTE_STR(in)"[32]", "string_bounded_t"); \
  38 } while (0)
  39
  40 #endif /* _RTE_TRACE_POINT_REGISTER_H_ */