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 <stdatomic.h>
20 #include <vlib/vlib.h>
21 #include <vppinfra/socket.h>
22 #include <vpp-api/client/stat_client.h>
26 STAT_COUNTER_VECTOR_RATE = 0,
27 STAT_COUNTER_INPUT_RATE,
28 STAT_COUNTER_LAST_UPDATE,
29 STAT_COUNTER_LAST_STATS_CLEAR,
30 STAT_COUNTER_HEARTBEAT,
31 STAT_COUNTER_NODE_CLOCKS,
32 STAT_COUNTER_NODE_VECTORS,
33 STAT_COUNTER_NODE_CALLS,
34 STAT_COUNTER_NODE_SUSPENDS,
35 STAT_COUNTER_INTERFACE_NAMES,
36 STAT_COUNTER_NODE_NAMES,
38 } stat_segment_counter_t;
40 #define foreach_stat_segment_counter_name \
41 _(VECTOR_RATE, SCALAR_INDEX, vector_rate, /sys) \
42 _(INPUT_RATE, SCALAR_INDEX, input_rate, /sys) \
43 _(LAST_UPDATE, SCALAR_INDEX, last_update, /sys) \
44 _(LAST_STATS_CLEAR, SCALAR_INDEX, last_stats_clear, /sys) \
45 _(HEARTBEAT, SCALAR_INDEX, heartbeat, /sys) \
46 _(NODE_CLOCKS, COUNTER_VECTOR_SIMPLE, clocks, /sys/node) \
47 _(NODE_VECTORS, COUNTER_VECTOR_SIMPLE, vectors, /sys/node) \
48 _(NODE_CALLS, COUNTER_VECTOR_SIMPLE, calls, /sys/node) \
49 _(NODE_SUSPENDS, COUNTER_VECTOR_SIMPLE, suspends, /sys/node) \
50 _(INTERFACE_NAMES, NAME_VECTOR, names, /if) \
51 _(NODE_NAMES, NAME_VECTOR, names, /sys/node)
55 stat_directory_type_t type;
61 uint64_t offset_vector;
62 char name[128]; // TODO change this to pointer to "somewhere"
63 } stat_segment_directory_entry_t;
65 /* Default stat segment 32m */
66 #define STAT_SEGMENT_DEFAULT_SIZE (32<<20)
69 * Shared header first in the shared memory segment.
73 atomic_int_fast64_t epoch;
74 atomic_int_fast64_t in_progress;
75 atomic_int_fast64_t directory_offset;
76 atomic_int_fast64_t error_offset;
77 atomic_int_fast64_t stats_offset;
78 } stat_segment_shared_header_t;
80 static inline uint64_t
81 stat_segment_offset (void *start, void *data)
83 return (char *) data - (char *) start;
87 stat_segment_pointer (void *start, uint64_t offset)
89 return ((char *) start + offset);
92 typedef void (*stat_segment_update_fn)(stat_segment_directory_entry_t * e, u32 i);
96 stat_segment_update_fn fn;
98 } stat_segment_gauges_pool_t;
102 /* internal, does not point to shared memory */
103 stat_segment_gauges_pool_t *gauges;
105 /* statistics segment */
106 uword *directory_vector_by_name;
107 stat_segment_directory_entry_t *directory_vector;
111 clib_spinlock_t *stat_segment_lockp;
112 clib_socket_t *socket;
115 u8 node_counters_enabled;
117 stat_segment_shared_header_t *shared_header; /* pointer to shared memory segment */
120 u64 last_input_packets; // OLE REMOVE?
121 } stat_segment_main_t;
123 extern stat_segment_main_t stat_segment_main;
126 stat_segment_register_gauge (u8 *names, stat_segment_update_fn update_fn, u32 index);