1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2020 Marvell International Ltd.
8 #include <rte_cycles.h>
10 #include <rte_malloc.h>
11 #include <rte_spinlock.h>
12 #include <rte_trace.h>
13 #include <rte_trace_point.h>
16 #include "eal_private.h"
17 #include "eal_thread.h"
19 #define trace_err(fmt, args...) \
20 RTE_LOG(ERR, EAL, "%s():%u " fmt "\n", __func__, __LINE__, ## args)
22 #define trace_crit(fmt, args...) \
23 RTE_LOG(CRIT, EAL, "%s():%u " fmt "\n", __func__, __LINE__, ## args)
25 #define TRACE_PREFIX_LEN 12
26 #define TRACE_DIR_STR_LEN (sizeof("YYYY-mm-dd-AM-HH-MM-SS") + TRACE_PREFIX_LEN)
27 #define TRACE_CTF_FIELD_SIZE 384
28 #define TRACE_POINT_NAME_SIZE 64
29 #define TRACE_CTF_MAGIC 0xC1FC1FC1
30 #define TRACE_MAX_ARGS 32
33 STAILQ_ENTRY(trace_point) next;
34 rte_trace_point_t *handle;
35 char name[TRACE_POINT_NAME_SIZE];
36 char ctf_field[TRACE_CTF_FIELD_SIZE];
44 struct thread_mem_meta {
46 enum trace_area_e area;
50 STAILQ_ENTRY(trace_arg) next;
59 enum rte_trace_mode mode;
62 STAILQ_HEAD(, trace_arg) args;
63 uint32_t nb_trace_points;
64 uint32_t nb_trace_mem_list;
65 struct thread_mem_meta *lcore_meta;
68 uint64_t uptime_ticks;
70 uint32_t ctf_meta_offset_freq;
71 uint32_t ctf_meta_offset_freq_off_s;
72 uint32_t ctf_meta_offset_freq_off;
73 uint16_t ctf_fixup_done;
77 /* Helper functions */
78 static inline uint16_t
79 trace_id_get(rte_trace_point_t *trace)
81 return (*trace & __RTE_TRACE_FIELD_ID_MASK) >>
82 __RTE_TRACE_FIELD_ID_SHIFT;
86 trace_mem_sz(uint32_t len)
88 return len + sizeof(struct __rte_trace_header);
91 /* Trace object functions */
92 struct trace *trace_obj_get(void);
94 /* Trace point list functions */
95 STAILQ_HEAD(trace_point_head, trace_point);
96 struct trace_point_head *trace_list_head_get(void);
99 const char *trace_mode_to_string(enum rte_trace_mode mode);
100 const char *trace_area_to_string(enum trace_area_e area);
101 int trace_args_apply(const char *arg);
102 void trace_bufsz_args_apply(void);
103 bool trace_has_duplicate_entry(void);
104 void trace_uuid_generate(void);
105 int trace_metadata_create(void);
106 void trace_metadata_destroy(void);
107 int trace_mkdir(void);
108 int trace_epoch_time_save(void);
109 void trace_mem_free(void);
110 void trace_mem_per_thread_free(void);
113 int eal_trace_init(void);
114 void eal_trace_fini(void);
115 int eal_trace_args_save(const char *val);
116 void eal_trace_args_free(void);
117 int eal_trace_dir_args_save(const char *val);
118 int eal_trace_mode_args_save(const char *val);
119 int eal_trace_bufsz_args_save(const char *val);
121 #endif /* __EAL_TRACE_H */