2 * Copyright (c) 2018 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef included_stat_segment_h
17 #define included_stat_segment_h
19 #include <vlib/vlib.h>
20 #include <vppinfra/socket.h>
21 #include <vpp/stats/stat_segment_shared.h>
25 STAT_COUNTER_VECTOR_RATE = 0,
26 STAT_COUNTER_NUM_WORKER_THREADS,
27 STAT_COUNTER_VECTOR_RATE_PER_WORKER,
28 STAT_COUNTER_INPUT_RATE,
29 STAT_COUNTER_LAST_UPDATE,
30 STAT_COUNTER_LAST_STATS_CLEAR,
31 STAT_COUNTER_HEARTBEAT,
32 STAT_COUNTER_NODE_CLOCKS,
33 STAT_COUNTER_NODE_VECTORS,
34 STAT_COUNTER_NODE_CALLS,
35 STAT_COUNTER_NODE_SUSPENDS,
36 STAT_COUNTER_INTERFACE_NAMES,
37 STAT_COUNTER_NODE_NAMES,
39 } stat_segment_counter_t;
41 /* clang-format off */
42 #define foreach_stat_segment_node_counter_name \
43 _ (NODE_CLOCKS, COUNTER_VECTOR_SIMPLE, clocks, /sys/node) \
44 _ (NODE_VECTORS, COUNTER_VECTOR_SIMPLE, vectors, /sys/node) \
45 _ (NODE_CALLS, COUNTER_VECTOR_SIMPLE, calls, /sys/node) \
46 _ (NODE_SUSPENDS, COUNTER_VECTOR_SIMPLE, suspends, /sys/node)
48 #define foreach_stat_segment_counter_name \
49 _ (VECTOR_RATE, SCALAR_INDEX, vector_rate, /sys) \
50 _ (VECTOR_RATE_PER_WORKER, COUNTER_VECTOR_SIMPLE, vector_rate_per_worker, \
52 _ (NUM_WORKER_THREADS, SCALAR_INDEX, num_worker_threads, /sys) \
53 _ (INPUT_RATE, SCALAR_INDEX, input_rate, /sys) \
54 _ (LAST_UPDATE, SCALAR_INDEX, last_update, /sys) \
55 _ (LAST_STATS_CLEAR, SCALAR_INDEX, last_stats_clear, /sys) \
56 _ (HEARTBEAT, SCALAR_INDEX, heartbeat, /sys) \
57 _ (INTERFACE_NAMES, NAME_VECTOR, names, /if) \
58 _ (NODE_NAMES, NAME_VECTOR, names, /sys/node) \
59 foreach_stat_segment_node_counter_name
62 /* Default stat segment 32m */
63 #define STAT_SEGMENT_DEFAULT_SIZE (32<<20)
65 /* Shared segment memory layout version */
66 #define STAT_SEGMENT_VERSION 2
68 #define STAT_SEGMENT_INDEX_INVALID UINT32_MAX
70 typedef void (*stat_segment_update_fn)(stat_segment_directory_entry_t * e, u32 i);
74 stat_segment_update_fn fn;
76 } stat_segment_gauges_pool_t;
80 /* internal, does not point to shared memory */
81 stat_segment_gauges_pool_t *gauges;
83 /* statistics segment */
84 uword *directory_vector_by_name;
85 stat_segment_directory_entry_t *directory_vector;
86 volatile u64 **error_vector;
93 clib_spinlock_t *stat_segment_lockp;
94 clib_socket_t *socket;
97 clib_mem_page_sz_t log2_page_sz;
98 u8 node_counters_enabled;
101 stat_segment_shared_header_t *shared_header; /* pointer to shared memory segment */
104 u64 last_input_packets; // OLE REMOVE?
105 } stat_segment_main_t;
107 extern stat_segment_main_t stat_segment_main;
110 stat_segment_register_gauge (u8 *names, stat_segment_update_fn update_fn, u32 index);
112 stat_segment_register_state_counter(u8 *name, u32 *index);
114 stat_segment_deregister_state_counter(u32 index);
115 void stat_segment_set_state_counter (u32 index, u64 value);
116 void stat_segment_poll_add (u32 vector_index, stat_segment_update_fn update_fn,
117 u32 caller_index, u32 interval);
119 u32 stat_segment_new_entry (u8 *name, stat_directory_type_t t);
120 void vlib_stats_register_mem_heap (clib_mem_heap_t *heap);
121 void vlib_stat_segment_lock (void);
122 void vlib_stat_segment_unlock (void);
123 void vlib_stats_register_symlink (void *oldheap, u8 *name, u32 index1,
124 u32 index2, u8 lock);