DPDK 21.11.0
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
15RTE_DECLARE_PER_LCORE(volatile int, trace_point_sz);
16
17#define RTE_TRACE_POINT_REGISTER(trace, name) \
18rte_trace_point_t __attribute__((section("__rte_trace_point"))) __##trace; \
19RTE_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) \
32do { \
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) \
39do { \
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_ */
#define RTE_DECLARE_PER_LCORE(type, name)
Definition: rte_per_lcore.h:38