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_NODE_CLOCKS,
25 STAT_COUNTER_NODE_VECTORS,
26 STAT_COUNTER_NODE_CALLS,
27 STAT_COUNTER_NODE_SUSPENDS,
28 STAT_COUNTER_NODE_NAMES,
30 } stat_segment_counter_t;
32 #define foreach_stat_segment_node_counter_name \
33 _ (NODE_CLOCKS, COUNTER_VECTOR_SIMPLE, clocks, "/sys/node") \
34 _ (NODE_VECTORS, COUNTER_VECTOR_SIMPLE, vectors, "/sys/node") \
35 _ (NODE_CALLS, COUNTER_VECTOR_SIMPLE, calls, "/sys/node") \
36 _ (NODE_SUSPENDS, COUNTER_VECTOR_SIMPLE, suspends, "/sys/node")
38 #define foreach_stat_segment_counter_name \
39 _ (LAST_STATS_CLEAR, SCALAR_INDEX, last_stats_clear, "/sys") \
40 _ (HEARTBEAT, SCALAR_INDEX, heartbeat, "/sys") \
41 _ (NODE_NAMES, NAME_VECTOR, names, "/sys/node") \
42 foreach_stat_segment_node_counter_name
49 vlib_stats_entry_t *entry;
50 } vlib_stats_collector_data_t;
52 typedef void (*vlib_stats_collector_fn_t) (vlib_stats_collector_data_t *);
56 vlib_stats_collector_fn_t collect_fn;
60 } vlib_stats_collector_reg_t;
64 vlib_stats_collector_fn_t fn;
68 } vlib_stats_collector_t;
72 /* internal, does not point to shared memory */
73 vlib_stats_collector_t *collectors;
75 /* statistics segment */
76 uword *directory_vector_by_name;
77 vlib_stats_entry_t *directory_vector;
78 u32 dir_vector_first_free_elt;
84 clib_spinlock_t *stat_segment_lockp;
85 u32 locking_thread_index;
87 clib_socket_t *socket;
90 clib_mem_page_sz_t log2_page_sz;
91 u8 node_counters_enabled;
93 vlib_stats_shared_header_t
94 *shared_header; /* pointer to shared memory segment */
97 } vlib_stats_segment_t;
101 vlib_stats_segment_t segment;
104 extern vlib_stats_main_t vlib_stats_main;
106 static_always_inline vlib_stats_segment_t *
107 vlib_stats_get_segment ()
109 return &vlib_stats_main.segment;
112 static_always_inline vlib_stats_entry_t *
113 vlib_stats_get_entry (vlib_stats_segment_t *sm, u32 entry_index)
115 vlib_stats_entry_t *e;
116 ASSERT (entry_index < vec_len (sm->directory_vector));
117 e = sm->directory_vector + entry_index;
118 ASSERT (e->type != STAT_DIR_TYPE_EMPTY && e->type != STAT_DIR_TYPE_ILLEGAL);
122 static_always_inline void *
123 vlib_stats_get_entry_data_pointer (u32 entry_index)
125 vlib_stats_segment_t *sm = vlib_stats_get_segment ();
126 vlib_stats_entry_t *e = vlib_stats_get_entry (sm, entry_index);
130 clib_error_t *vlib_stats_init (vlib_main_t *vm);
131 void *vlib_stats_set_heap ();
132 void vlib_stats_segment_lock (void);
133 void vlib_stats_segment_unlock (void);
134 void vlib_stats_register_mem_heap (clib_mem_heap_t *);
135 f64 vlib_stats_get_segment_update_rate (void);
138 u32 vlib_stats_add_gauge (char *fmt, ...);
139 void vlib_stats_set_gauge (u32 entry_index, u64 value);
142 u32 vlib_stats_add_timestamp (char *fmt, ...);
143 void vlib_stats_set_timestamp (u32 entry_index, f64 value);
146 u32 vlib_stats_add_counter_vector (char *fmt, ...);
148 /* counter pair vector */
149 u32 vlib_stats_add_counter_pair_vector (char *fmt, ...);
152 u32 vlib_stats_add_string_vector (char *fmt, ...);
153 void vlib_stats_set_string_vector (u32 entry_index, u32 vector_index,
157 u32 vlib_stats_add_symlink (u32 entry_index, u32 vector_index, char *fmt, ...);
158 void vlib_stats_rename_symlink (u64 entry_index, char *fmt, ...);
160 /* common to all types */
161 void vlib_stats_validate (u32 entry_index, ...);
162 int vlib_stats_validate_will_expand (u32 entry_index, ...);
163 void vlib_stats_remove_entry (u32 entry_index);
164 u32 vlib_stats_find_entry_index (char *fmt, ...);
165 void vlib_stats_register_collector_fn (vlib_stats_collector_reg_t *r);
167 format_function_t format_vlib_stats_symlink;