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:
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.
15 #include <vpp/stats/stats.h>
17 #include <vlib/threads.h>
18 #include <vnet/fib/fib_entry.h>
19 #include <vnet/fib/fib_table.h>
20 #include <vnet/dpo/load_balance.h>
24 stats_main_t stats_main;
26 #include <vnet/ip/ip.h>
28 #include <vpp/api/vpe_msg_enum.h>
31 #define f64_print(a,b)
33 #define vl_typedefs /* define message structures */
34 #include <vpp/api/vpe_all_api_h.h>
37 #define vl_endianfun /* define message structures */
38 #include <vpp/api/vpe_all_api_h.h>
41 /* instantiate all the print functions we know about */
42 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
44 #include <vpp/api/vpe_all_api_h.h>
47 #define foreach_stats_msg \
48 _(WANT_STATS, want_stats) \
49 _(VNET_INTERFACE_COUNTERS, vnet_interface_counters) \
50 _(VNET_IP4_FIB_COUNTERS, vnet_ip4_fib_counters) \
51 _(VNET_IP6_FIB_COUNTERS, vnet_ip6_fib_counters) \
52 _(VNET_IP4_NBR_COUNTERS, vnet_ip4_nbr_counters) \
53 _(VNET_IP6_NBR_COUNTERS, vnet_ip6_nbr_counters)
55 /* These constants ensure msg sizes <= 1024, aka ring allocation */
56 #define SIMPLE_COUNTER_BATCH_SIZE 126
57 #define COMBINED_COUNTER_BATCH_SIZE 63
58 #define IP4_FIB_COUNTER_BATCH_SIZE 48
59 #define IP6_FIB_COUNTER_BATCH_SIZE 30
62 #define STATS_RELEASE_DELAY_NS (1000 * 1000 * 5)
66 dslock (stats_main_t * sm, int release_hint, int tag)
69 data_structure_lock_t *l = sm->data_structure_lock;
71 if (PREDICT_FALSE (l == 0))
74 thread_id = os_get_cpu_number ();
75 if (l->lock && l->thread_id == thread_id)
84 while (__sync_lock_test_and_set (&l->lock, 1))
87 l->thread_id = thread_id;
92 stats_dslock_with_hint (int hint, int tag)
94 stats_main_t *sm = &stats_main;
95 dslock (sm, hint, tag);
99 dsunlock (stats_main_t * sm)
102 data_structure_lock_t *l = sm->data_structure_lock;
104 if (PREDICT_FALSE (l == 0))
107 thread_id = os_get_cpu_number ();
108 ASSERT (l->lock && l->thread_id == thread_id);
114 CLIB_MEMORY_BARRIER ();
120 stats_dsunlock (int hint, int tag)
122 stats_main_t *sm = &stats_main;
127 do_simple_interface_counters (stats_main_t * sm)
129 vl_api_vnet_interface_counters_t *mp = 0;
130 vnet_interface_main_t *im = sm->interface_main;
131 api_main_t *am = sm->api_main;
132 vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
133 unix_shared_memory_queue_t *q = shmem_hdr->vl_input_queue;
134 vlib_simple_counter_main_t *cm;
135 u32 items_this_message = 0;
140 * Prevent interface registration from expanding / moving the vectors...
141 * That tends never to happen, so we can hold this lock for a while.
143 vnet_interface_counter_lock (im);
145 vec_foreach (cm, im->sw_if_counters)
147 n_counts = vlib_simple_counter_n_counters (cm);
148 for (i = 0; i < n_counts; i++)
152 items_this_message = clib_min (SIMPLE_COUNTER_BATCH_SIZE,
155 mp = vl_msg_api_alloc_as_if_client
156 (sizeof (*mp) + items_this_message * sizeof (v));
157 mp->_vl_msg_id = ntohs (VL_API_VNET_INTERFACE_COUNTERS);
158 mp->vnet_counter_type = cm - im->sw_if_counters;
160 mp->first_sw_if_index = htonl (i);
162 vp = (u64 *) mp->data;
164 v = vlib_get_simple_counter (cm, i);
165 clib_mem_unaligned (vp, u64) = clib_host_to_net_u64 (v);
168 if (mp->count == items_this_message)
170 mp->count = htonl (items_this_message);
171 /* Send to the main thread... */
172 vl_msg_api_send_shmem (q, (u8 *) & mp);
178 vnet_interface_counter_unlock (im);
182 do_combined_interface_counters (stats_main_t * sm)
184 vl_api_vnet_interface_counters_t *mp = 0;
185 vnet_interface_main_t *im = sm->interface_main;
186 api_main_t *am = sm->api_main;
187 vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
188 unix_shared_memory_queue_t *q = shmem_hdr->vl_input_queue;
189 vlib_combined_counter_main_t *cm;
190 u32 items_this_message = 0;
191 vlib_counter_t v, *vp = 0;
194 vnet_interface_counter_lock (im);
196 vec_foreach (cm, im->combined_sw_if_counters)
198 n_counts = vlib_combined_counter_n_counters (cm);
199 for (i = 0; i < n_counts; i++)
203 items_this_message = clib_min (COMBINED_COUNTER_BATCH_SIZE,
206 mp = vl_msg_api_alloc_as_if_client
207 (sizeof (*mp) + items_this_message * sizeof (v));
208 mp->_vl_msg_id = ntohs (VL_API_VNET_INTERFACE_COUNTERS);
209 mp->vnet_counter_type = cm - im->combined_sw_if_counters;
211 mp->first_sw_if_index = htonl (i);
213 vp = (vlib_counter_t *) mp->data;
215 vlib_get_combined_counter (cm, i, &v);
216 clib_mem_unaligned (&vp->packets, u64)
217 = clib_host_to_net_u64 (v.packets);
218 clib_mem_unaligned (&vp->bytes, u64) = clib_host_to_net_u64 (v.bytes);
221 if (mp->count == items_this_message)
223 mp->count = htonl (items_this_message);
224 /* Send to the main thread... */
225 vl_msg_api_send_shmem (q, (u8 *) & mp);
231 vnet_interface_counter_unlock (im);
234 /* from .../vnet/vnet/ip/lookup.c. Yuck */
235 typedef CLIB_PACKED (struct
237 ip4_address_t address;
238 u32 address_length: 6;
243 ip46_fib_stats_delay (stats_main_t * sm, u32 sec, u32 nsec)
245 struct timespec _req, *req = &_req;
246 struct timespec _rem, *rem = &_rem;
252 if (nanosleep (req, rem) == 0)
257 clib_unix_warning ("nanosleep");
263 * @brief The context passed when collecting adjacency counters
265 typedef struct ip4_nbr_stats_ctx_t_
268 * The SW IF index all these adjs belong to
273 * A vector of ip4 nbr counters
275 vl_api_ip4_nbr_counter_t *counters;
276 } ip4_nbr_stats_ctx_t;
279 ip4_nbr_stats_cb (adj_index_t ai, void *arg)
281 vl_api_ip4_nbr_counter_t *vl_counter;
282 vlib_counter_t adj_counter;
283 ip4_nbr_stats_ctx_t *ctx;
287 vlib_get_combined_counter (&adjacency_counters, ai, &adj_counter);
289 if (0 != adj_counter.packets)
291 vec_add2 (ctx->counters, vl_counter, 1);
294 vl_counter->packets = clib_host_to_net_u64 (adj_counter.packets);
295 vl_counter->bytes = clib_host_to_net_u64 (adj_counter.bytes);
296 vl_counter->address = adj->sub_type.nbr.next_hop.ip4.as_u32;
297 vl_counter->link_type = adj->ia_link;
299 return (ADJ_WALK_RC_CONTINUE);
302 #define MIN(x,y) (((x)<(y))?(x):(y))
305 ip4_nbr_ship (stats_main_t * sm, ip4_nbr_stats_ctx_t * ctx)
307 api_main_t *am = sm->api_main;
308 vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
309 unix_shared_memory_queue_t *q = shmem_hdr->vl_input_queue;
310 vl_api_vnet_ip4_nbr_counters_t *mp = 0;
314 * If the walk context has counters, which may be left over from the last
315 * suspend, then we continue from there.
317 while (0 != vec_len (ctx->counters))
319 u32 n_items = MIN (vec_len (ctx->counters),
320 IP4_FIB_COUNTER_BATCH_SIZE);
323 dslock (sm, 0 /* release hint */ , 1 /* tag */ );
325 mp = vl_msg_api_alloc_as_if_client (sizeof (*mp) +
328 (vl_api_ip4_nbr_counter_t)));
329 mp->_vl_msg_id = ntohs (VL_API_VNET_IP4_NBR_COUNTERS);
330 mp->count = ntohl (n_items);
331 mp->sw_if_index = ntohl (ctx->sw_if_index);
336 * copy the counters from the back of the context, then we can easily
337 * 'erase' them by resetting the vector length.
338 * The order we push the stats to the caller is not important.
341 &ctx->counters[vec_len (ctx->counters) - n_items],
342 n_items * sizeof (*ctx->counters));
344 _vec_len (ctx->counters) = vec_len (ctx->counters) - n_items;
349 unix_shared_memory_queue_lock (q);
350 pause = unix_shared_memory_queue_is_full (q);
352 vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
353 unix_shared_memory_queue_unlock (q);
357 ip46_fib_stats_delay (sm, 0 /* sec */ ,
358 STATS_RELEASE_DELAY_NS);
363 do_ip4_nbrs (stats_main_t * sm)
365 vnet_main_t *vnm = vnet_get_main ();
366 vnet_interface_main_t *im = &vnm->interface_main;
367 vnet_sw_interface_t *si;
369 ip4_nbr_stats_ctx_t ctx = {
375 pool_foreach (si, im->sw_interfaces,
378 * update the interface we are now concerned with
380 ctx.sw_if_index = si->sw_if_index;
383 * we are about to walk another interface, so we shouldn't have any pending
386 ASSERT(ctx.counters == NULL);
389 * visit each neighbour adjacency on the interface and collect
391 * Because we hold the lock the walk is synchronous, so safe to routing
392 * updates. It's limited in work by the number of adjacenies on an
393 * interface, which is typically not huge.
395 dslock (sm, 0 /* release hint */ , 1 /* tag */ );
396 adj_nbr_walk (si->sw_if_index,
403 * if this interface has some adjacencies with counters then ship them,
404 * else continue to the next interface.
406 if (NULL != ctx.counters)
408 ip4_nbr_ship(sm, &ctx);
415 * @brief The context passed when collecting adjacency counters
417 typedef struct ip6_nbr_stats_ctx_t_
420 * The SW IF index all these adjs belong to
425 * A vector of ip6 nbr counters
427 vl_api_ip6_nbr_counter_t *counters;
428 } ip6_nbr_stats_ctx_t;
431 ip6_nbr_stats_cb (adj_index_t ai,
434 vl_api_ip6_nbr_counter_t *vl_counter;
435 vlib_counter_t adj_counter;
436 ip6_nbr_stats_ctx_t *ctx;
440 vlib_get_combined_counter(&adjacency_counters, ai, &adj_counter);
442 if (0 != adj_counter.packets)
444 vec_add2(ctx->counters, vl_counter, 1);
447 vl_counter->packets = clib_host_to_net_u64(adj_counter.packets);
448 vl_counter->bytes = clib_host_to_net_u64(adj_counter.bytes);
449 vl_counter->address[0] = adj->sub_type.nbr.next_hop.ip6.as_u64[0];
450 vl_counter->address[1] = adj->sub_type.nbr.next_hop.ip6.as_u64[1];
451 vl_counter->link_type = adj->ia_link;
453 return (ADJ_WALK_RC_CONTINUE);
456 #define MIN(x,y) (((x)<(y))?(x):(y))
459 ip6_nbr_ship (stats_main_t * sm,
460 ip6_nbr_stats_ctx_t *ctx)
462 api_main_t *am = sm->api_main;
463 vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
464 unix_shared_memory_queue_t *q = shmem_hdr->vl_input_queue;
465 vl_api_vnet_ip6_nbr_counters_t *mp = 0;
469 * If the walk context has counters, which may be left over from the last
470 * suspend, then we continue from there.
472 while (0 != vec_len(ctx->counters))
474 u32 n_items = MIN (vec_len (ctx->counters),
475 IP6_FIB_COUNTER_BATCH_SIZE);
478 dslock (sm, 0 /* release hint */ , 1 /* tag */ );
480 mp = vl_msg_api_alloc_as_if_client (sizeof (*mp) +
483 (vl_api_ip6_nbr_counter_t)));
484 mp->_vl_msg_id = ntohs (VL_API_VNET_IP6_NBR_COUNTERS);
485 mp->count = ntohl (n_items);
486 mp->sw_if_index = ntohl (ctx->sw_if_index);
491 * copy the counters from the back of the context, then we can easily
492 * 'erase' them by resetting the vector length.
493 * The order we push the stats to the caller is not important.
496 &ctx->counters[vec_len (ctx->counters) - n_items],
497 n_items * sizeof (*ctx->counters));
499 _vec_len (ctx->counters) = vec_len (ctx->counters) - n_items;
504 unix_shared_memory_queue_lock (q);
505 pause = unix_shared_memory_queue_is_full (q);
507 vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
508 unix_shared_memory_queue_unlock (q);
512 ip46_fib_stats_delay (sm, 0 /* sec */ ,
513 STATS_RELEASE_DELAY_NS);
518 do_ip6_nbrs (stats_main_t * sm)
520 vnet_main_t *vnm = vnet_get_main ();
521 vnet_interface_main_t *im = &vnm->interface_main;
522 vnet_sw_interface_t *si;
524 ip6_nbr_stats_ctx_t ctx = {
530 pool_foreach (si, im->sw_interfaces,
533 * update the interface we are now concerned with
535 ctx.sw_if_index = si->sw_if_index;
538 * we are about to walk another interface, so we shouldn't have any pending
541 ASSERT(ctx.counters == NULL);
544 * visit each neighbour adjacency on the interface and collect
546 * Because we hold the lock the walk is synchronous, so safe to routing
547 * updates. It's limited in work by the number of adjacenies on an
548 * interface, which is typically not huge.
550 dslock (sm, 0 /* release hint */ , 1 /* tag */ );
551 adj_nbr_walk (si->sw_if_index,
558 * if this interface has some adjacencies with counters then ship them,
559 * else continue to the next interface.
561 if (NULL != ctx.counters)
563 ip6_nbr_ship(sm, &ctx);
570 do_ip4_fibs (stats_main_t * sm)
572 ip4_main_t *im4 = &ip4_main;
573 api_main_t *am = sm->api_main;
574 vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
575 unix_shared_memory_queue_t *q = shmem_hdr->vl_input_queue;
576 static ip4_route_t *routes;
579 ip_lookup_main_t *lm = &im4->lookup_main;
580 static uword *results;
581 vl_api_vnet_ip4_fib_counters_t *mp = 0;
582 u32 items_this_message;
583 vl_api_ip4_fib_counter_t *ctrp = 0;
584 u32 start_at_fib_index = 0;
589 pool_foreach (fib, im4->fibs,
591 /* We may have bailed out due to control-plane activity */
592 while ((fib - im4->fibs) < start_at_fib_index)
597 items_this_message = IP4_FIB_COUNTER_BATCH_SIZE;
598 mp = vl_msg_api_alloc_as_if_client
600 items_this_message * sizeof (vl_api_ip4_fib_counter_t));
601 mp->_vl_msg_id = ntohs (VL_API_VNET_IP4_FIB_COUNTERS);
603 mp->vrf_id = ntohl (fib->ft_table_id);
604 ctrp = (vl_api_ip4_fib_counter_t *) mp->c;
608 /* happens if the last FIB was empty... */
609 ASSERT (mp->count == 0);
610 mp->vrf_id = ntohl (fib->ft_table_id);
613 dslock (sm, 0 /* release hint */ , 1 /* tag */ );
615 vec_reset_length (routes);
616 vec_reset_length (results);
618 for (i = 0; i < ARRAY_LEN (fib->v4.fib_entry_by_dst_address); i++)
620 uword *hash = fib->v4.fib_entry_by_dst_address[i];
624 x.address_length = i;
626 hash_foreach_pair (p, hash,
628 x.address.data_u32 = p->key;
629 x.index = p->value[0];
631 vec_add1 (routes, x);
632 if (sm->data_structure_lock->release_hint)
634 start_at_fib_index = fib - im4->fibs;
636 ip46_fib_stats_delay (sm, 0 /* sec */,
637 STATS_RELEASE_DELAY_NS);
639 ctrp = (vl_api_ip4_fib_counter_t *)mp->c;
645 vec_foreach (r, routes)
649 vlib_get_combined_counter (&load_balance_main.lbm_to_counters,
653 * seen at least one packet, send it.
658 /* already in net byte order */
659 ctrp->address = r->address.as_u32;
660 ctrp->address_length = r->address_length;
661 ctrp->packets = clib_host_to_net_u64 (c.packets);
662 ctrp->bytes = clib_host_to_net_u64 (c.bytes);
666 if (mp->count == items_this_message)
668 mp->count = htonl (items_this_message);
670 * If the main thread's input queue is stuffed,
671 * drop the data structure lock (which the main thread
672 * may want), and take a pause.
674 unix_shared_memory_queue_lock (q);
675 if (unix_shared_memory_queue_is_full (q))
678 vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
679 unix_shared_memory_queue_unlock (q);
681 ip46_fib_stats_delay (sm, 0 /* sec */ ,
682 STATS_RELEASE_DELAY_NS);
685 vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
686 unix_shared_memory_queue_unlock (q);
688 items_this_message = IP4_FIB_COUNTER_BATCH_SIZE;
689 mp = vl_msg_api_alloc_as_if_client
691 items_this_message * sizeof (vl_api_ip4_fib_counter_t));
692 mp->_vl_msg_id = ntohs (VL_API_VNET_IP4_FIB_COUNTERS);
694 mp->vrf_id = ntohl (fib->ft_table_id);
695 ctrp = (vl_api_ip4_fib_counter_t *) mp->c;
697 } /* for each (mp or single) adj */
698 if (sm->data_structure_lock->release_hint)
700 start_at_fib_index = fib - im4->fibs;
702 ip46_fib_stats_delay (sm, 0 /* sec */ , STATS_RELEASE_DELAY_NS);
704 ctrp = (vl_api_ip4_fib_counter_t *) mp->c;
707 } /* vec_foreach (routes) */
711 /* Flush any data from this fib */
714 mp->count = htonl (mp->count);
715 vl_msg_api_send_shmem (q, (u8 *) & mp);
721 /* If e.g. the last FIB had no reportable routes, free the buffer */
723 vl_msg_api_free (mp);
728 ip6_address_t address;
736 ip6_route_t **routep;
738 } add_routes_in_fib_arg_t;
741 add_routes_in_fib (BVT (clib_bihash_kv) * kvp, void *arg)
743 add_routes_in_fib_arg_t *ap = arg;
744 stats_main_t *sm = ap->sm;
746 if (sm->data_structure_lock->release_hint)
747 clib_longjmp (&sm->jmp_buf, 1);
749 if (kvp->key[2] >> 32 == ap->fib_index)
753 addr = (ip6_address_t *) kvp;
754 vec_add2 (*ap->routep, r, 1);
755 r->address = addr[0];
756 r->address_length = kvp->key[2] & 0xFF;
757 r->index = kvp->value;
762 do_ip6_fibs (stats_main_t * sm)
764 ip6_main_t *im6 = &ip6_main;
765 api_main_t *am = sm->api_main;
766 vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
767 unix_shared_memory_queue_t *q = shmem_hdr->vl_input_queue;
768 static ip6_route_t *routes;
771 static uword *results;
772 vl_api_vnet_ip6_fib_counters_t *mp = 0;
773 u32 items_this_message;
774 vl_api_ip6_fib_counter_t *ctrp = 0;
775 u32 start_at_fib_index = 0;
776 BVT (clib_bihash) * h = &im6->ip6_table[IP6_FIB_TABLE_FWDING].ip6_hash;
777 add_routes_in_fib_arg_t _a, *a = &_a;
781 pool_foreach (fib, im6->fibs,
783 /* We may have bailed out due to control-plane activity */
784 while ((fib - im6->fibs) < start_at_fib_index)
789 items_this_message = IP6_FIB_COUNTER_BATCH_SIZE;
790 mp = vl_msg_api_alloc_as_if_client
792 items_this_message * sizeof (vl_api_ip6_fib_counter_t));
793 mp->_vl_msg_id = ntohs (VL_API_VNET_IP6_FIB_COUNTERS);
795 mp->vrf_id = ntohl (fib->ft_table_id);
796 ctrp = (vl_api_ip6_fib_counter_t *) mp->c;
799 dslock (sm, 0 /* release hint */ , 1 /* tag */ );
801 vec_reset_length (routes);
802 vec_reset_length (results);
804 a->fib_index = fib - im6->fibs;
808 if (clib_setjmp (&sm->jmp_buf, 0) == 0)
810 start_at_fib_index = fib - im6->fibs;
811 BV (clib_bihash_foreach_key_value_pair) (h, add_routes_in_fib, a);
816 ip46_fib_stats_delay (sm, 0 /* sec */ ,
817 STATS_RELEASE_DELAY_NS);
819 ctrp = (vl_api_ip6_fib_counter_t *) mp->c;
823 vec_foreach (r, routes)
827 vlib_get_combined_counter (&load_balance_main.lbm_to_counters,
831 * seen at least one packet, send it.
835 /* already in net byte order */
836 ctrp->address[0] = r->address.as_u64[0];
837 ctrp->address[1] = r->address.as_u64[1];
838 ctrp->address_length = (u8) r->address_length;
839 ctrp->packets = clib_host_to_net_u64 (c.packets);
840 ctrp->bytes = clib_host_to_net_u64 (c.bytes);
844 if (mp->count == items_this_message)
846 mp->count = htonl (items_this_message);
848 * If the main thread's input queue is stuffed,
849 * drop the data structure lock (which the main thread
850 * may want), and take a pause.
852 unix_shared_memory_queue_lock (q);
853 if (unix_shared_memory_queue_is_full (q))
856 vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
857 unix_shared_memory_queue_unlock (q);
859 ip46_fib_stats_delay (sm, 0 /* sec */ ,
860 STATS_RELEASE_DELAY_NS);
863 vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
864 unix_shared_memory_queue_unlock (q);
866 items_this_message = IP6_FIB_COUNTER_BATCH_SIZE;
867 mp = vl_msg_api_alloc_as_if_client
869 items_this_message * sizeof (vl_api_ip6_fib_counter_t));
870 mp->_vl_msg_id = ntohs (VL_API_VNET_IP6_FIB_COUNTERS);
872 mp->vrf_id = ntohl (fib->ft_table_id);
873 ctrp = (vl_api_ip6_fib_counter_t *) mp->c;
877 if (sm->data_structure_lock->release_hint)
879 start_at_fib_index = fib - im6->fibs;
881 ip46_fib_stats_delay (sm, 0 /* sec */ , STATS_RELEASE_DELAY_NS);
883 ctrp = (vl_api_ip6_fib_counter_t *) mp->c;
886 } /* vec_foreach (routes) */
890 /* Flush any data from this fib */
893 mp->count = htonl (mp->count);
894 vl_msg_api_send_shmem (q, (u8 *) & mp);
900 /* If e.g. the last FIB had no reportable routes, free the buffer */
902 vl_msg_api_free (mp);
906 stats_thread_fn (void *arg)
908 stats_main_t *sm = &stats_main;
909 vlib_worker_thread_t *w = (vlib_worker_thread_t *) arg;
910 vlib_thread_main_t *tm = vlib_get_thread_main ();
912 /* stats thread wants no signals. */
916 pthread_sigmask (SIG_SETMASK, &s, 0);
919 if (vec_len (tm->thread_prefix))
920 vlib_set_thread_name ((char *)
921 format (0, "%v_stats%c", tm->thread_prefix, '\0'));
923 clib_mem_set_heap (w->thread_mheap);
927 /* 10 second poll interval */
928 ip46_fib_stats_delay (sm, 10 /* secs */ , 0 /* nsec */ );
930 if (!(sm->enable_poller))
932 do_simple_interface_counters (sm);
933 do_combined_interface_counters (sm);
942 vl_api_vnet_interface_counters_t_handler (vl_api_vnet_interface_counters_t *
945 vpe_client_registration_t *reg;
946 stats_main_t *sm = &stats_main;
947 unix_shared_memory_queue_t *q, *q_prev = NULL;
948 vl_api_vnet_interface_counters_t *mp_copy = NULL;
953 u32 count, sw_if_index;
957 mp_size = sizeof (*mp) + (ntohl (mp->count) *
958 (mp->is_combined ? sizeof (vlib_counter_t) :
962 pool_foreach(reg, sm->stats_registrations,
964 q = vl_api_client_index_to_input_queue (reg->client_index);
967 if (q_prev && (q_prev->cursize < q_prev->maxsize))
969 mp_copy = vl_msg_api_alloc_as_if_client(mp_size);
970 clib_memcpy(mp_copy, mp, mp_size);
971 vl_msg_api_send_shmem (q_prev, (u8 *)&mp);
980 count = ntohl (mp->count);
981 sw_if_index = ntohl (mp->first_sw_if_index);
982 if (mp->is_combined == 0)
985 vp = (u64 *) mp->data;
987 switch (mp->vnet_counter_type)
989 case VNET_INTERFACE_COUNTER_DROP:
990 counter_name = "drop";
992 case VNET_INTERFACE_COUNTER_PUNT:
993 counter_name = "punt";
995 case VNET_INTERFACE_COUNTER_IP4:
996 counter_name = "ip4";
998 case VNET_INTERFACE_COUNTER_IP6:
999 counter_name = "ip6";
1001 case VNET_INTERFACE_COUNTER_RX_NO_BUF:
1002 counter_name = "rx-no-buff";
1004 case VNET_INTERFACE_COUNTER_RX_MISS:
1005 , counter_name = "rx-miss";
1007 case VNET_INTERFACE_COUNTER_RX_ERROR:
1008 , counter_name = "rx-error (fifo-full)";
1010 case VNET_INTERFACE_COUNTER_TX_ERROR:
1011 , counter_name = "tx-error (fifo-full)";
1014 counter_name = "bogus";
1017 for (i = 0; i < count; i++)
1019 v = clib_mem_unaligned (vp, u64);
1020 v = clib_net_to_host_u64 (v);
1022 fformat (stdout, "%U.%s %lld\n", format_vnet_sw_if_index_name,
1023 sm->vnet_main, sw_if_index, counter_name, v);
1031 vp = (vlib_counter_t *) mp->data;
1033 switch (mp->vnet_counter_type)
1035 case VNET_INTERFACE_COUNTER_RX:
1036 counter_name = "rx";
1038 case VNET_INTERFACE_COUNTER_TX:
1039 counter_name = "tx";
1042 counter_name = "bogus";
1045 for (i = 0; i < count; i++)
1047 packets = clib_mem_unaligned (&vp->packets, u64);
1048 packets = clib_net_to_host_u64 (packets);
1049 bytes = clib_mem_unaligned (&vp->bytes, u64);
1050 bytes = clib_net_to_host_u64 (bytes);
1052 fformat (stdout, "%U.%s.packets %lld\n",
1053 format_vnet_sw_if_index_name,
1054 sm->vnet_main, sw_if_index, counter_name, packets);
1055 fformat (stdout, "%U.%s.bytes %lld\n",
1056 format_vnet_sw_if_index_name,
1057 sm->vnet_main, sw_if_index, counter_name, bytes);
1062 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1064 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1068 vl_msg_api_free (mp);
1073 vl_api_vnet_ip4_fib_counters_t_handler (vl_api_vnet_ip4_fib_counters_t * mp)
1075 vpe_client_registration_t *reg;
1076 stats_main_t *sm = &stats_main;
1077 unix_shared_memory_queue_t *q, *q_prev = NULL;
1078 vl_api_vnet_ip4_fib_counters_t *mp_copy = NULL;
1081 mp_size = sizeof (*mp_copy) +
1082 ntohl (mp->count) * sizeof (vl_api_ip4_fib_counter_t);
1085 pool_foreach(reg, sm->stats_registrations,
1087 q = vl_api_client_index_to_input_queue (reg->client_index);
1090 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1092 mp_copy = vl_msg_api_alloc_as_if_client(mp_size);
1093 clib_memcpy(mp_copy, mp, mp_size);
1094 vl_msg_api_send_shmem (q_prev, (u8 *)&mp);
1101 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1103 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1107 vl_msg_api_free (mp);
1112 vl_api_vnet_ip4_nbr_counters_t_handler (vl_api_vnet_ip4_nbr_counters_t * mp)
1114 vpe_client_registration_t *reg;
1115 stats_main_t *sm = &stats_main;
1116 unix_shared_memory_queue_t *q, *q_prev = NULL;
1117 vl_api_vnet_ip4_nbr_counters_t *mp_copy = NULL;
1120 mp_size = sizeof (*mp_copy) +
1121 ntohl (mp->count) * sizeof (vl_api_ip4_nbr_counter_t);
1124 pool_foreach(reg, sm->stats_registrations,
1126 q = vl_api_client_index_to_input_queue (reg->client_index);
1129 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1131 mp_copy = vl_msg_api_alloc_as_if_client(mp_size);
1132 clib_memcpy(mp_copy, mp, mp_size);
1133 vl_msg_api_send_shmem (q_prev, (u8 *)&mp);
1140 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1142 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1146 vl_msg_api_free (mp);
1151 vl_api_vnet_ip6_fib_counters_t_handler (vl_api_vnet_ip6_fib_counters_t * mp)
1153 vpe_client_registration_t *reg;
1154 stats_main_t *sm = &stats_main;
1155 unix_shared_memory_queue_t *q, *q_prev = NULL;
1156 vl_api_vnet_ip6_fib_counters_t *mp_copy = NULL;
1159 mp_size = sizeof (*mp_copy) +
1160 ntohl (mp->count) * sizeof (vl_api_ip6_fib_counter_t);
1163 pool_foreach(reg, sm->stats_registrations,
1165 q = vl_api_client_index_to_input_queue (reg->client_index);
1168 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1170 mp_copy = vl_msg_api_alloc_as_if_client(mp_size);
1171 clib_memcpy(mp_copy, mp, mp_size);
1172 vl_msg_api_send_shmem (q_prev, (u8 *)&mp);
1179 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1181 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1185 vl_msg_api_free (mp);
1190 vl_api_vnet_ip6_nbr_counters_t_handler (vl_api_vnet_ip6_nbr_counters_t * mp)
1192 vpe_client_registration_t *reg;
1193 stats_main_t *sm = &stats_main;
1194 unix_shared_memory_queue_t *q, *q_prev = NULL;
1195 vl_api_vnet_ip6_nbr_counters_t *mp_copy = NULL;
1198 mp_size = sizeof (*mp_copy) +
1199 ntohl (mp->count) * sizeof (vl_api_ip6_nbr_counter_t);
1202 pool_foreach(reg, sm->stats_registrations,
1204 q = vl_api_client_index_to_input_queue (reg->client_index);
1207 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1209 mp_copy = vl_msg_api_alloc_as_if_client(mp_size);
1210 clib_memcpy(mp_copy, mp, mp_size);
1211 vl_msg_api_send_shmem (q_prev, (u8 *)&mp);
1218 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1220 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1224 vl_msg_api_free (mp);
1229 vl_api_want_stats_t_handler (vl_api_want_stats_t * mp)
1231 stats_main_t *sm = &stats_main;
1232 vpe_client_registration_t *rp;
1233 vl_api_want_stats_reply_t *rmp;
1236 unix_shared_memory_queue_t *q;
1238 p = hash_get (sm->stats_registration_hash, mp->client_index);
1241 if (mp->enable_disable)
1243 clib_warning ("pid %d: already enabled...", mp->pid);
1249 rp = pool_elt_at_index (sm->stats_registrations, p[0]);
1250 pool_put (sm->stats_registrations, rp);
1251 hash_unset (sm->stats_registration_hash, mp->client_index);
1255 if (mp->enable_disable == 0)
1257 clib_warning ("pid %d: already disabled...", mp->pid);
1261 pool_get (sm->stats_registrations, rp);
1262 rp->client_index = mp->client_index;
1263 rp->client_pid = mp->pid;
1264 hash_set (sm->stats_registration_hash, rp->client_index,
1265 rp - sm->stats_registrations);
1268 if (pool_elts (sm->stats_registrations))
1269 sm->enable_poller = 1;
1271 sm->enable_poller = 0;
1273 q = vl_api_client_index_to_input_queue (mp->client_index);
1278 rmp = vl_msg_api_alloc (sizeof (*rmp));
1279 rmp->_vl_msg_id = ntohs (VL_API_WANT_STATS_REPLY);
1280 rmp->context = mp->context;
1281 rmp->retval = retval;
1283 vl_msg_api_send_shmem (q, (u8 *) & rmp);
1287 stats_memclnt_delete_callback (u32 client_index)
1289 vpe_client_registration_t *rp;
1290 stats_main_t *sm = &stats_main;
1293 p = hash_get (sm->stats_registration_hash, client_index);
1296 rp = pool_elt_at_index (sm->stats_registrations, p[0]);
1297 pool_put (sm->stats_registrations, rp);
1298 hash_unset (sm->stats_registration_hash, client_index);
1304 #define vl_api_vnet_ip4_fib_counters_t_endian vl_noop_handler
1305 #define vl_api_vnet_ip4_fib_counters_t_print vl_noop_handler
1306 #define vl_api_vnet_ip6_fib_counters_t_endian vl_noop_handler
1307 #define vl_api_vnet_ip6_fib_counters_t_print vl_noop_handler
1308 #define vl_api_vnet_ip4_nbr_counters_t_endian vl_noop_handler
1309 #define vl_api_vnet_ip4_nbr_counters_t_print vl_noop_handler
1310 #define vl_api_vnet_ip6_nbr_counters_t_endian vl_noop_handler
1311 #define vl_api_vnet_ip6_nbr_counters_t_print vl_noop_handler
1313 static clib_error_t *
1314 stats_init (vlib_main_t * vm)
1316 stats_main_t *sm = &stats_main;
1317 api_main_t *am = &api_main;
1318 void *vlib_worker_thread_bootstrap_fn (void *arg);
1321 sm->vnet_main = vnet_get_main ();
1322 sm->interface_main = &vnet_get_main ()->interface_main;
1324 sm->stats_poll_interval_in_seconds = 10;
1325 sm->data_structure_lock =
1326 clib_mem_alloc_aligned (sizeof (data_structure_lock_t),
1327 CLIB_CACHE_LINE_BYTES);
1328 memset (sm->data_structure_lock, 0, sizeof (*sm->data_structure_lock));
1331 vl_msg_api_set_handlers(VL_API_##N, #n, \
1332 vl_api_##n##_t_handler, \
1334 vl_api_##n##_t_endian, \
1335 vl_api_##n##_t_print, \
1336 sizeof(vl_api_##n##_t), 0 /* do NOT trace! */);
1340 /* tell the msg infra not to free these messages... */
1341 am->message_bounce[VL_API_VNET_INTERFACE_COUNTERS] = 1;
1342 am->message_bounce[VL_API_VNET_IP4_FIB_COUNTERS] = 1;
1343 am->message_bounce[VL_API_VNET_IP6_FIB_COUNTERS] = 1;
1344 am->message_bounce[VL_API_VNET_IP4_NBR_COUNTERS] = 1;
1345 am->message_bounce[VL_API_VNET_IP6_NBR_COUNTERS] = 1;
1350 VLIB_INIT_FUNCTION (stats_init);
1353 VLIB_REGISTER_THREAD (stats_thread_reg, static) = {
1355 .function = stats_thread_fn,
1358 .no_data_structure_clone = 1,
1364 * fd.io coding-style-patch-verification: ON
1367 * eval: (c-set-style "gnu")