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_t __attribute__((section("__rte_trace_point"))) __##trace; \
19 RTE_INIT(trace##_init) \
20 { \
21 	__rte_trace_point_register(&__##trace, RTE_STR(name), \
22 		(void (*)(void)) trace); \
23 }
24 
25 #define __rte_trace_point_emit_header_generic(t) \
26 	RTE_PER_LCORE(trace_point_sz) = __RTE_TRACE_EVENT_HEADER_SZ
27 
28 #define __rte_trace_point_emit_header_fp(t) \
29 	__rte_trace_point_emit_header_generic(t)
30 
31 #define __rte_trace_point_emit(in, type) \
32 do { \
33 	RTE_BUILD_BUG_ON(sizeof(type) != sizeof(typeof(in))); \
34 	__rte_trace_point_emit_field(sizeof(type), RTE_STR(in), \
35 		RTE_STR(type)); \
36 } while (0)
37 
38 #define rte_trace_point_emit_string(in) \
39 do { \
40 	RTE_SET_USED(in); \
41 	__rte_trace_point_emit_field(__RTE_TRACE_EMIT_STRING_LEN_MAX, \
42 		RTE_STR(in)"[32]", "string_bounded_t"); \
43 } while (0)
44 
45 #endif /* _RTE_TRACE_POINT_REGISTER_H_ */
46