Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015 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: |
| 6 | * |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | * |
| 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. |
| 14 | */ |
| 15 | /* |
| 16 | * main.h: VLIB main data structure |
| 17 | * |
| 18 | * Copyright (c) 2008 Eliot Dresselhaus |
| 19 | * |
| 20 | * Permission is hereby granted, free of charge, to any person obtaining |
| 21 | * a copy of this software and associated documentation files (the |
| 22 | * "Software"), to deal in the Software without restriction, including |
| 23 | * without limitation the rights to use, copy, modify, merge, publish, |
| 24 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 25 | * permit persons to whom the Software is furnished to do so, subject to |
| 26 | * the following conditions: |
| 27 | * |
| 28 | * The above copyright notice and this permission notice shall be |
| 29 | * included in all copies or substantial portions of the Software. |
| 30 | * |
| 31 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 32 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 33 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 34 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 35 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 36 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 37 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 38 | */ |
| 39 | |
| 40 | #ifndef included_vlib_main_h |
| 41 | #define included_vlib_main_h |
| 42 | |
| 43 | #include <vppinfra/elog.h> |
| 44 | #include <vppinfra/format.h> |
| 45 | #include <vppinfra/longjmp.h> |
| 46 | #include <vppinfra/pool.h> |
| 47 | #include <vppinfra/random_buffer.h> |
| 48 | #include <vppinfra/time.h> |
Dave Barach | 4d1a866 | 2018-09-10 12:31:15 -0400 | [diff] [blame] | 49 | #include <vppinfra/pmc.h> |
Dave Barach | 3ae2873 | 2018-11-16 17:19:00 -0500 | [diff] [blame] | 50 | #include <vppinfra/pcap.h> |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 51 | |
| 52 | #include <pthread.h> |
| 53 | |
| 54 | |
| 55 | /* By default turn off node/error event logging. |
| 56 | Override with -DVLIB_ELOG_MAIN_LOOP */ |
| 57 | #ifndef VLIB_ELOG_MAIN_LOOP |
| 58 | #define VLIB_ELOG_MAIN_LOOP 0 |
| 59 | #endif |
| 60 | |
Dave Barach | 5ecd5a5 | 2019-02-25 15:27:28 -0500 | [diff] [blame] | 61 | typedef struct |
| 62 | { |
| 63 | int pcap_enable; |
| 64 | u32 pcap_sw_if_index; |
| 65 | pcap_main_t pcap_main; |
Dave Barach | 9137e54 | 2019-09-13 17:47:50 -0400 | [diff] [blame^] | 66 | u32 filter_classify_table_index; |
Dave Barach | 5ecd5a5 | 2019-02-25 15:27:28 -0500 | [diff] [blame] | 67 | } vnet_pcap_t; |
| 68 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 69 | typedef struct vlib_main_t |
| 70 | { |
Damjan Marion | be3f4d5 | 2018-03-27 21:06:10 +0200 | [diff] [blame] | 71 | CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 72 | /* Instruction level timing state. */ |
| 73 | clib_time_t clib_time; |
Dave Barach | a4324a9 | 2019-02-19 17:05:30 -0500 | [diff] [blame] | 74 | /* Offset from main thread time */ |
| 75 | f64 time_offset; |
| 76 | f64 time_last_barrier_release; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 77 | |
| 78 | /* Time stamp of last node dispatch. */ |
| 79 | u64 cpu_time_last_node_dispatch; |
| 80 | |
| 81 | /* Time stamp when main loop was entered (time 0). */ |
| 82 | u64 cpu_time_main_loop_start; |
| 83 | |
| 84 | /* Incremented once for each main loop. */ |
| 85 | u32 main_loop_count; |
| 86 | |
| 87 | /* Count of vectors processed this main loop. */ |
| 88 | u32 main_loop_vectors_processed; |
| 89 | u32 main_loop_nodes_processed; |
| 90 | |
| 91 | /* Circular buffer of input node vector counts. |
| 92 | Indexed by low bits of |
| 93 | (main_loop_count >> VLIB_LOG2_INPUT_VECTORS_PER_MAIN_LOOP). */ |
| 94 | u32 vector_counts_per_main_loop[2]; |
| 95 | u32 node_counts_per_main_loop[2]; |
| 96 | |
Dave Barach | 4d1a866 | 2018-09-10 12:31:15 -0400 | [diff] [blame] | 97 | /* Main loop hw / sw performance counters */ |
Dave Barach | 5f2cfb2 | 2019-05-20 10:28:57 -0400 | [diff] [blame] | 98 | void (**vlib_node_runtime_perf_counter_cbs) (struct vlib_main_t *, |
| 99 | u64 *, u64 *, |
| 100 | vlib_node_runtime_t *, |
| 101 | vlib_frame_t *, int); |
| 102 | void (**vlib_node_runtime_perf_counter_cb_tmp) (struct vlib_main_t *, |
| 103 | u64 *, u64 *, |
| 104 | vlib_node_runtime_t *, |
| 105 | vlib_frame_t *, int); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 106 | /* Every so often we switch to the next counter. */ |
| 107 | #define VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE 7 |
| 108 | |
| 109 | /* Jump target to exit main loop with given code. */ |
| 110 | u32 main_loop_exit_set; |
Dave Barach | 903651c | 2017-10-13 19:16:56 -0400 | [diff] [blame] | 111 | /* Set e.g. in the SIGTERM signal handler, checked in a safe place... */ |
| 112 | volatile u32 main_loop_exit_now; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 113 | clib_longjmp_t main_loop_exit; |
| 114 | #define VLIB_MAIN_LOOP_EXIT_NONE 0 |
| 115 | #define VLIB_MAIN_LOOP_EXIT_PANIC 1 |
| 116 | /* Exit via CLI. */ |
| 117 | #define VLIB_MAIN_LOOP_EXIT_CLI 2 |
| 118 | |
| 119 | /* Error marker to use when exiting main loop. */ |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 120 | clib_error_t *main_loop_error; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 121 | |
| 122 | /* Name for e.g. syslog. */ |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 123 | char *name; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 124 | |
Dave Barach | 6a5adc3 | 2018-07-04 10:56:23 -0400 | [diff] [blame] | 125 | /* Start of the heap. */ |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 126 | void *heap_base; |
Dave Barach | 6a5adc3 | 2018-07-04 10:56:23 -0400 | [diff] [blame] | 127 | |
| 128 | /* Truncated version, to create frame indices */ |
| 129 | void *heap_aligned_base; |
| 130 | |
| 131 | /* Size of the heap */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 132 | uword heap_size; |
| 133 | |
Damjan Marion | d50e347 | 2019-01-20 00:03:56 +0100 | [diff] [blame] | 134 | /* buffer main structure. */ |
| 135 | vlib_buffer_main_t *buffer_main; |
| 136 | |
Damjan Marion | 68b4da6 | 2018-09-30 18:26:20 +0200 | [diff] [blame] | 137 | /* physical memory main structure. */ |
| 138 | vlib_physmem_main_t physmem_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 139 | |
| 140 | /* Node graph main structure. */ |
| 141 | vlib_node_main_t node_main; |
| 142 | |
| 143 | /* Command line interface. */ |
| 144 | vlib_cli_main_t cli_main; |
| 145 | |
| 146 | /* Packet trace buffer. */ |
| 147 | vlib_trace_main_t trace_main; |
| 148 | |
Dave Barach | 3ae2873 | 2018-11-16 17:19:00 -0500 | [diff] [blame] | 149 | /* Pcap dispatch trace main */ |
| 150 | pcap_main_t dispatch_pcap_main; |
| 151 | uword dispatch_pcap_enable; |
Dave Barach | e5948fb | 2019-08-29 18:01:30 -0400 | [diff] [blame] | 152 | u32 *dispatch_buffer_trace_nodes; |
Dave Barach | 7fff3d2 | 2018-11-27 16:52:59 -0500 | [diff] [blame] | 153 | u8 *pcap_buffer; |
Dave Barach | 3ae2873 | 2018-11-16 17:19:00 -0500 | [diff] [blame] | 154 | |
Dave Barach | 5ecd5a5 | 2019-02-25 15:27:28 -0500 | [diff] [blame] | 155 | /* pcap rx / tx tracing */ |
| 156 | vnet_pcap_t pcap[VLIB_N_RX_TX]; |
| 157 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 158 | /* Error handling. */ |
| 159 | vlib_error_main_t error_main; |
| 160 | |
| 161 | /* Punt packets to underlying operating system for when fast switching |
| 162 | code does not know what to do. */ |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 163 | void (*os_punt_frame) (struct vlib_main_t * vm, |
| 164 | struct vlib_node_runtime_t * node, |
| 165 | vlib_frame_t * frame); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 166 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 167 | /* Stream index to use for distribution when MC is enabled. */ |
| 168 | u32 mc_stream_index; |
| 169 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 170 | vlib_one_time_waiting_process_t *procs_waiting_for_mc_stream_join; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 171 | |
| 172 | /* Event logger. */ |
| 173 | elog_main_t elog_main; |
| 174 | |
Dave Barach | c3a0655 | 2018-10-01 09:25:32 -0400 | [diff] [blame] | 175 | /* Event logger trace flags */ |
| 176 | int elog_trace_api_messages; |
| 177 | int elog_trace_cli_commands; |
Dave Barach | 900cbad | 2019-01-31 19:12:51 -0500 | [diff] [blame] | 178 | int elog_trace_graph_dispatch; |
| 179 | int elog_trace_graph_circuit; |
| 180 | u32 elog_trace_graph_circuit_node_index; |
Dave Barach | c3a0655 | 2018-10-01 09:25:32 -0400 | [diff] [blame] | 181 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 182 | /* Node call and return event types. */ |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 183 | elog_event_type_t *node_call_elog_event_types; |
| 184 | elog_event_type_t *node_return_elog_event_types; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 185 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 186 | elog_event_type_t *error_elog_event_types; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 187 | |
| 188 | /* Seed for random number generator. */ |
| 189 | uword random_seed; |
| 190 | |
| 191 | /* Buffer of random data for various uses. */ |
| 192 | clib_random_buffer_t random_buffer; |
| 193 | |
| 194 | /* Hash table to record which init functions have been called. */ |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 195 | uword *init_functions_called; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 196 | |
Damjan Marion | 0a78fa1 | 2019-01-19 23:45:36 +0100 | [diff] [blame] | 197 | /* thread, cpu and numa_node indices */ |
Damjan Marion | 586afd7 | 2017-04-05 19:18:20 +0200 | [diff] [blame] | 198 | u32 thread_index; |
Damjan Marion | ee72141 | 2019-01-27 17:54:11 +0100 | [diff] [blame] | 199 | u32 cpu_id; |
Damjan Marion | 0a78fa1 | 2019-01-19 23:45:36 +0100 | [diff] [blame] | 200 | u32 numa_node; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 201 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 202 | /* List of init functions to call, setup by constructors */ |
| 203 | _vlib_init_function_list_elt_t *init_function_registrations; |
Damjan Marion | e9f929b | 2017-03-16 11:32:09 +0100 | [diff] [blame] | 204 | _vlib_init_function_list_elt_t *worker_init_function_registrations; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 205 | _vlib_init_function_list_elt_t *main_loop_enter_function_registrations; |
| 206 | _vlib_init_function_list_elt_t *main_loop_exit_function_registrations; |
| 207 | _vlib_init_function_list_elt_t *api_init_function_registrations; |
| 208 | vlib_config_function_runtime_t *config_function_registrations; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 209 | |
Dave Barach | dae88b9 | 2016-04-19 09:38:35 -0400 | [diff] [blame] | 210 | /* control-plane API queue signal pending, length indication */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 211 | volatile u32 queue_signal_pending; |
Dave Barach | dae88b9 | 2016-04-19 09:38:35 -0400 | [diff] [blame] | 212 | volatile u32 api_queue_nonempty; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 213 | void (*queue_signal_callback) (struct vlib_main_t *); |
Dave Barach | bfdedbd | 2016-01-20 09:11:55 -0500 | [diff] [blame] | 214 | u8 **argv; |
Damjan Marion | ce359db | 2017-03-16 16:15:38 +0100 | [diff] [blame] | 215 | |
Dave Barach | 4d1a866 | 2018-09-10 12:31:15 -0400 | [diff] [blame] | 216 | /* Top of (worker) dispatch loop callback */ |
Dave Barach | 5f2cfb2 | 2019-05-20 10:28:57 -0400 | [diff] [blame] | 217 | void (**volatile worker_thread_main_loop_callbacks) (struct vlib_main_t *); |
| 218 | void (**volatile worker_thread_main_loop_callback_tmp) |
| 219 | (struct vlib_main_t *); |
| 220 | clib_spinlock_t worker_thread_main_loop_callback_lock; |
Dave Barach | 4d1a866 | 2018-09-10 12:31:15 -0400 | [diff] [blame] | 221 | |
Damjan Marion | ce359db | 2017-03-16 16:15:38 +0100 | [diff] [blame] | 222 | /* debugging */ |
| 223 | volatile int parked_at_barrier; |
Dave Barach | 8148131 | 2017-05-16 09:08:14 -0400 | [diff] [blame] | 224 | |
| 225 | /* Attempt to do a post-mortem elog dump */ |
| 226 | int elog_post_mortem_dump; |
| 227 | |
Colin Tregenza Dancer | 2159618 | 2017-09-04 15:27:49 +0100 | [diff] [blame] | 228 | /* |
| 229 | * Need to call vlib_worker_thread_node_runtime_update before |
| 230 | * releasing worker thread barrier. Only valid in vlib_global_main. |
| 231 | */ |
| 232 | int need_vlib_worker_thread_node_runtime_update; |
| 233 | |
Colin Tregenza Dancer | eb1ac17 | 2017-09-06 20:23:24 +0100 | [diff] [blame] | 234 | /* |
| 235 | * Barrier epoch - Set to current time, each time barrier_sync or |
| 236 | * barrier_release is called with zero recursion. |
| 237 | */ |
| 238 | f64 barrier_epoch; |
| 239 | |
| 240 | /* Earliest barrier can be closed again */ |
| 241 | f64 barrier_no_close_before; |
| 242 | |
Dave Barach | 80965f5 | 2019-03-11 09:57:38 -0400 | [diff] [blame] | 243 | /* Need to check the frame queues */ |
| 244 | volatile uword check_frame_queues; |
| 245 | |
Dave Barach | f6c68d7 | 2018-11-01 08:12:52 -0400 | [diff] [blame] | 246 | /* RPC requests, main thread only */ |
Dave Barach | 2877eee | 2017-12-15 12:22:57 -0500 | [diff] [blame] | 247 | uword *pending_rpc_requests; |
Dave Barach | f6c68d7 | 2018-11-01 08:12:52 -0400 | [diff] [blame] | 248 | uword *processing_rpc_requests; |
| 249 | clib_spinlock_t pending_rpc_lock; |
Dave Barach | 2877eee | 2017-12-15 12:22:57 -0500 | [diff] [blame] | 250 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 251 | } vlib_main_t; |
| 252 | |
| 253 | /* Global main structure. */ |
Damjan Marion | 6a7acc2 | 2016-12-19 16:28:36 +0100 | [diff] [blame] | 254 | extern vlib_main_t vlib_global_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 255 | |
Damjan Marion | e9d52d5 | 2017-03-09 15:42:26 +0100 | [diff] [blame] | 256 | void vlib_worker_loop (vlib_main_t * vm); |
| 257 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 258 | always_inline f64 |
| 259 | vlib_time_now (vlib_main_t * vm) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 260 | { |
Dave Barach | a4324a9 | 2019-02-19 17:05:30 -0500 | [diff] [blame] | 261 | return clib_time_now (&vm->clib_time) + vm->time_offset; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 262 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 263 | |
| 264 | always_inline f64 |
| 265 | vlib_time_now_ticks (vlib_main_t * vm, u64 n) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 266 | { |
| 267 | return clib_time_now_internal (&vm->clib_time, n); |
| 268 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 269 | |
| 270 | /* Busy wait for specified time. */ |
| 271 | always_inline void |
| 272 | vlib_time_wait (vlib_main_t * vm, f64 wait) |
| 273 | { |
| 274 | f64 t = vlib_time_now (vm); |
| 275 | f64 limit = t + wait; |
| 276 | while (t < limit) |
| 277 | t = vlib_time_now (vm); |
| 278 | } |
| 279 | |
| 280 | /* Time a piece of code. */ |
| 281 | #define vlib_time_code(vm,body) \ |
| 282 | do { \ |
| 283 | f64 _t[2]; \ |
| 284 | _t[0] = vlib_time_now (vm); \ |
| 285 | do { body; } while (0); \ |
| 286 | _t[1] = vlib_time_now (vm); \ |
| 287 | clib_warning ("%.7e", _t[1] - _t[0]); \ |
| 288 | } while (0) |
| 289 | |
| 290 | #define vlib_wait_with_timeout(vm,suspend_time,timeout_time,test) \ |
| 291 | ({ \ |
| 292 | uword __vlib_wait_with_timeout = 0; \ |
| 293 | f64 __vlib_wait_time = 0; \ |
| 294 | while (! (__vlib_wait_with_timeout = (test)) \ |
| 295 | && __vlib_wait_time < (timeout_time)) \ |
| 296 | { \ |
| 297 | vlib_process_suspend (vm, suspend_time); \ |
| 298 | __vlib_wait_time += suspend_time; \ |
| 299 | } \ |
| 300 | __vlib_wait_with_timeout; \ |
| 301 | }) |
| 302 | |
| 303 | always_inline void |
| 304 | vlib_panic_with_error (vlib_main_t * vm, clib_error_t * error) |
| 305 | { |
| 306 | vm->main_loop_error = error; |
| 307 | clib_longjmp (&vm->main_loop_exit, VLIB_MAIN_LOOP_EXIT_PANIC); |
| 308 | } |
| 309 | |
| 310 | #define vlib_panic_with_msg(vm,args...) \ |
| 311 | vlib_panic_with_error (vm, clib_error_return (0, args)) |
| 312 | |
| 313 | always_inline void |
| 314 | vlib_panic (vlib_main_t * vm) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 315 | { |
| 316 | vlib_panic_with_error (vm, 0); |
| 317 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 318 | |
| 319 | always_inline u32 |
| 320 | vlib_vector_input_stats_index (vlib_main_t * vm, word delta) |
| 321 | { |
| 322 | u32 i; |
| 323 | i = vm->main_loop_count >> VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE; |
| 324 | ASSERT (is_pow2 (ARRAY_LEN (vm->vector_counts_per_main_loop))); |
| 325 | return (i + delta) & (ARRAY_LEN (vm->vector_counts_per_main_loop) - 1); |
| 326 | } |
| 327 | |
| 328 | /* Estimate input rate based on previous |
| 329 | 2^VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE |
| 330 | samples. */ |
| 331 | always_inline u32 |
| 332 | vlib_last_vectors_per_main_loop (vlib_main_t * vm) |
| 333 | { |
| 334 | u32 i = vlib_vector_input_stats_index (vm, -1); |
| 335 | u32 n = vm->vector_counts_per_main_loop[i]; |
| 336 | return n >> VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE; |
| 337 | } |
| 338 | |
| 339 | /* Total ave vector count per iteration of main loop. */ |
| 340 | always_inline f64 |
| 341 | vlib_last_vectors_per_main_loop_as_f64 (vlib_main_t * vm) |
| 342 | { |
| 343 | u32 i = vlib_vector_input_stats_index (vm, -1); |
| 344 | u32 v = vm->vector_counts_per_main_loop[i]; |
| 345 | return (f64) v / (f64) (1 << VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE); |
| 346 | } |
| 347 | |
| 348 | /* Total ave vectors/node count per iteration of main loop. */ |
| 349 | always_inline f64 |
| 350 | vlib_last_vector_length_per_node (vlib_main_t * vm) |
| 351 | { |
| 352 | u32 i = vlib_vector_input_stats_index (vm, -1); |
| 353 | u32 v = vm->vector_counts_per_main_loop[i]; |
| 354 | u32 n = vm->node_counts_per_main_loop[i]; |
| 355 | return n == 0 ? 0 : (f64) v / (f64) n; |
| 356 | } |
| 357 | |
Damjan Marion | 6a7acc2 | 2016-12-19 16:28:36 +0100 | [diff] [blame] | 358 | extern u32 wraps; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 359 | |
| 360 | always_inline void |
| 361 | vlib_increment_main_loop_counter (vlib_main_t * vm) |
| 362 | { |
| 363 | u32 i, c, n, v, is_wrap; |
| 364 | |
| 365 | c = vm->main_loop_count++; |
| 366 | |
| 367 | is_wrap = (c & pow2_mask (VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE)) == 0; |
| 368 | |
| 369 | if (is_wrap) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 370 | wraps++; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 371 | |
| 372 | i = vlib_vector_input_stats_index (vm, /* delta */ is_wrap); |
| 373 | |
| 374 | v = is_wrap ? 0 : vm->vector_counts_per_main_loop[i]; |
| 375 | n = is_wrap ? 0 : vm->node_counts_per_main_loop[i]; |
| 376 | |
| 377 | v += vm->main_loop_vectors_processed; |
| 378 | n += vm->main_loop_nodes_processed; |
| 379 | vm->main_loop_vectors_processed = 0; |
| 380 | vm->main_loop_nodes_processed = 0; |
| 381 | vm->vector_counts_per_main_loop[i] = v; |
| 382 | vm->node_counts_per_main_loop[i] = n; |
Dave Barach | 903651c | 2017-10-13 19:16:56 -0400 | [diff] [blame] | 383 | |
| 384 | if (PREDICT_FALSE (vm->main_loop_exit_now)) |
| 385 | clib_longjmp (&vm->main_loop_exit, VLIB_MAIN_LOOP_EXIT_CLI); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 386 | } |
| 387 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 388 | always_inline void vlib_set_queue_signal_callback |
| 389 | (vlib_main_t * vm, void (*fp) (vlib_main_t *)) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 390 | { |
| 391 | vm->queue_signal_callback = fp; |
| 392 | } |
| 393 | |
| 394 | /* Main routine. */ |
| 395 | int vlib_main (vlib_main_t * vm, unformat_input_t * input); |
| 396 | |
Damjan Marion | f55f9b8 | 2017-05-10 21:06:28 +0200 | [diff] [blame] | 397 | /* Thread stacks, for os_get_thread_index */ |
Damjan Marion | 6a7acc2 | 2016-12-19 16:28:36 +0100 | [diff] [blame] | 398 | extern u8 **vlib_thread_stacks; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 399 | |
| 400 | /* Number of thread stacks that the application needs */ |
| 401 | u32 vlib_app_num_thread_stacks_needed (void) __attribute__ ((weak)); |
| 402 | |
Dave Barach | 6931f59 | 2016-05-13 12:55:01 -0400 | [diff] [blame] | 403 | extern void vlib_node_sync_stats (vlib_main_t * vm, vlib_node_t * n); |
| 404 | |
Dave Barach | 1201a80 | 2018-11-20 12:08:39 -0500 | [diff] [blame] | 405 | #define VLIB_PCAP_MAJOR_VERSION 1 |
| 406 | #define VLIB_PCAP_MINOR_VERSION 0 |
| 407 | |
Dave Barach | e5948fb | 2019-08-29 18:01:30 -0400 | [diff] [blame] | 408 | typedef struct |
| 409 | { |
| 410 | u8 *filename; |
| 411 | int enable; |
| 412 | int status; |
| 413 | u32 packets_to_capture; |
| 414 | u32 buffer_trace_node_index; |
| 415 | u32 buffer_traces_to_capture; |
| 416 | } vlib_pcap_dispatch_trace_args_t; |
| 417 | |
| 418 | int vlib_pcap_dispatch_trace_configure (vlib_pcap_dispatch_trace_args_t *); |
| 419 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 420 | #endif /* included_vlib_main_h */ |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 421 | |
| 422 | /* |
| 423 | * fd.io coding-style-patch-verification: ON |
| 424 | * |
| 425 | * Local Variables: |
| 426 | * eval: (c-set-style "gnu") |
| 427 | * End: |
| 428 | */ |