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 #ifdef __cplusplus 16 extern "C" { 17 #endif 18 19 RTE_DECLARE_PER_LCORE(volatile int, trace_point_sz); 20 21 #define RTE_TRACE_POINT_REGISTER(trace, name) \ 22 rte_trace_point_t __rte_section("__rte_trace_point") __##trace; \ 23 static const char __##trace##_name[] = RTE_STR(name); \ 24 RTE_INIT(trace##_init) \ 25 { \ 26 if (!rte_trace_feature_is_enabled()) \ 27 return; \ 28 __rte_trace_point_register(&__##trace, __##trace##_name, \ 29 (void (*)(void)) trace); \ 30 } 31 32 #define __rte_trace_point_emit_header_generic(t) \ 33 RTE_PER_LCORE(trace_point_sz) = __RTE_TRACE_EVENT_HEADER_SZ 34 35 #define __rte_trace_point_emit_header_fp(t) \ 36 __rte_trace_point_emit_header_generic(t) 37 38 #define __rte_trace_point_emit(in, type) \ 39 do { \ 40 RTE_BUILD_BUG_ON(sizeof(type) != sizeof(typeof(in))); \ 41 __rte_trace_point_emit_field(sizeof(type), RTE_STR(in), \ 42 RTE_STR(type)); \ 43 } while (0) 44 45 #define rte_trace_point_emit_string(in) \ 46 do { \ 47 RTE_SET_USED(in); \ 48 __rte_trace_point_emit_field(__RTE_TRACE_EMIT_STRING_LEN_MAX, \ 49 RTE_STR(in)"[32]", "string_bounded_t"); \ 50 } while (0) 51 52 #define rte_trace_point_emit_blob(in, len) \ 53 do { \ 54 RTE_SET_USED(in); \ 55 __rte_trace_point_emit(len, uint8_t); \ 56 __rte_trace_point_emit_field(RTE_TRACE_BLOB_LEN_MAX, \ 57 RTE_STR(in)"[" RTE_STR(RTE_TRACE_BLOB_LEN_MAX)"]", \ 58 RTE_STR(uint8_t)); \ 59 } while (0) 60 61 #ifdef __cplusplus 62 } 63 #endif 64 65 #endif /* _RTE_TRACE_POINT_REGISTER_H_ */ 66