1 /* SPDX-License-Identifier: Apache-2.0
2 * Copyright(c) 2022 Cisco Systems, Inc.
5 #ifndef included_stats_stats_h
6 #define included_stats_stats_h
8 #include <vppinfra/socket.h>
9 #include <vppinfra/lock.h>
10 #include <vlib/stats/shared.h>
12 /* Default stat segment 32m */
13 #define STAT_SEGMENT_DEFAULT_SIZE (32 << 20)
15 /* Shared segment memory layout version */
16 #define STAT_SEGMENT_VERSION 2
18 #define STAT_SEGMENT_INDEX_INVALID UINT32_MAX
22 STAT_COUNTER_HEARTBEAT = 0,
23 STAT_COUNTER_LAST_STATS_CLEAR,
24 STAT_COUNTER_BOOTTIME,
26 } stat_segment_counter_t;
28 #define foreach_stat_segment_counter_name \
29 _ (LAST_STATS_CLEAR, SCALAR_INDEX, last_stats_clear, "/sys") \
30 _ (HEARTBEAT, SCALAR_INDEX, heartbeat, "/sys") \
31 _ (BOOTTIME, SCALAR_INDEX, boottime, "/sys")
38 vlib_stats_entry_t *entry;
39 } vlib_stats_collector_data_t;
41 typedef void (*vlib_stats_collector_fn_t) (vlib_stats_collector_data_t *);
45 vlib_stats_collector_fn_t collect_fn;
49 } vlib_stats_collector_reg_t;
53 vlib_stats_collector_fn_t fn;
57 } vlib_stats_collector_t;
61 /* internal, does not point to shared memory */
62 vlib_stats_collector_t *collectors;
64 /* statistics segment */
65 uword *directory_vector_by_name;
66 vlib_stats_entry_t *directory_vector;
67 u32 dir_vector_first_free_elt;
72 clib_spinlock_t *stat_segment_lockp;
73 u32 locking_thread_index;
75 clib_socket_t *socket;
78 clib_mem_page_sz_t log2_page_sz;
79 u8 node_counters_enabled;
81 vlib_stats_shared_header_t
82 *shared_header; /* pointer to shared memory segment */
85 } vlib_stats_segment_t;
90 } vlib_stats_header_t;
94 vlib_stats_segment_t segment;
97 extern vlib_stats_main_t vlib_stats_main;
99 static_always_inline vlib_stats_segment_t *
100 vlib_stats_get_segment ()
102 return &vlib_stats_main.segment;
105 static_always_inline vlib_stats_entry_t *
106 vlib_stats_get_entry (vlib_stats_segment_t *sm, u32 entry_index)
108 vlib_stats_entry_t *e;
109 ASSERT (entry_index < vec_len (sm->directory_vector));
110 e = sm->directory_vector + entry_index;
111 ASSERT (e->type != STAT_DIR_TYPE_EMPTY && e->type != STAT_DIR_TYPE_ILLEGAL);
115 static_always_inline void *
116 vlib_stats_get_entry_data_pointer (u32 entry_index)
118 vlib_stats_segment_t *sm = vlib_stats_get_segment ();
119 vlib_stats_entry_t *e = vlib_stats_get_entry (sm, entry_index);
123 clib_error_t *vlib_stats_init (vlib_main_t *vm);
124 void *vlib_stats_set_heap ();
125 void vlib_stats_segment_lock (void);
126 void vlib_stats_segment_unlock (void);
127 void vlib_stats_register_mem_heap (clib_mem_heap_t *);
128 f64 vlib_stats_get_segment_update_rate (void);
131 u32 vlib_stats_add_gauge (char *fmt, ...);
132 void vlib_stats_set_gauge (u32 entry_index, u64 value);
135 u32 vlib_stats_add_timestamp (char *fmt, ...);
136 void vlib_stats_set_timestamp (u32 entry_index, f64 value);
139 u32 vlib_stats_add_counter_vector (char *fmt, ...);
141 /* counter pair vector */
142 u32 vlib_stats_add_counter_pair_vector (char *fmt, ...);
145 typedef u8 **vlib_stats_string_vector_t;
146 vlib_stats_string_vector_t vlib_stats_add_string_vector (char *fmt, ...);
147 void vlib_stats_set_string_vector (vlib_stats_string_vector_t *sv, u32 index,
149 void vlib_stats_free_string_vector (vlib_stats_string_vector_t *sv);
152 u32 vlib_stats_add_symlink (u32 entry_index, u32 vector_index, char *fmt, ...);
153 void vlib_stats_rename_symlink (u64 entry_index, char *fmt, ...);
155 /* common to all types */
156 void vlib_stats_validate (u32 entry_index, ...);
157 int vlib_stats_validate_will_expand (u32 entry_index, ...);
158 void vlib_stats_remove_entry (u32 entry_index);
159 u32 vlib_stats_find_entry_index (char *fmt, ...);
160 void vlib_stats_register_collector_fn (vlib_stats_collector_reg_t *r);
162 format_function_t format_vlib_stats_symlink;