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/fib/ip4_fib.h>
21 #include <vnet/dpo/load_balance.h>
25 stats_main_t stats_main;
27 #include <vnet/ip/ip.h>
29 #include <vpp/api/vpe_msg_enum.h>
32 #define f64_print(a,b)
34 #define vl_typedefs /* define message structures */
35 #include <vpp/api/vpe_all_api_h.h>
38 #define vl_endianfun /* define message structures */
39 #include <vpp/api/vpe_all_api_h.h>
42 /* instantiate all the print functions we know about */
43 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
45 #include <vpp/api/vpe_all_api_h.h>
48 #define foreach_stats_msg \
49 _(WANT_STATS, want_stats) \
50 _(VNET_INTERFACE_SIMPLE_COUNTERS, vnet_interface_simple_counters) \
51 _(VNET_INTERFACE_COMBINED_COUNTERS, vnet_interface_combined_counters) \
52 _(VNET_IP4_FIB_COUNTERS, vnet_ip4_fib_counters) \
53 _(VNET_IP6_FIB_COUNTERS, vnet_ip6_fib_counters) \
54 _(VNET_IP4_NBR_COUNTERS, vnet_ip4_nbr_counters) \
55 _(VNET_IP6_NBR_COUNTERS, vnet_ip6_nbr_counters)
57 /* These constants ensure msg sizes <= 1024, aka ring allocation */
58 #define SIMPLE_COUNTER_BATCH_SIZE 126
59 #define COMBINED_COUNTER_BATCH_SIZE 63
60 #define IP4_FIB_COUNTER_BATCH_SIZE 48
61 #define IP6_FIB_COUNTER_BATCH_SIZE 30
64 #define STATS_RELEASE_DELAY_NS (1000 * 1000 * 5)
68 dslock (stats_main_t * sm, int release_hint, int tag)
71 data_structure_lock_t *l = sm->data_structure_lock;
73 if (PREDICT_FALSE (l == 0))
76 thread_index = vlib_get_thread_index ();
77 if (l->lock && l->thread_index == thread_index)
86 while (__sync_lock_test_and_set (&l->lock, 1))
89 l->thread_index = thread_index;
94 stats_dslock_with_hint (int hint, int tag)
96 stats_main_t *sm = &stats_main;
97 dslock (sm, hint, tag);
101 dsunlock (stats_main_t * sm)
104 data_structure_lock_t *l = sm->data_structure_lock;
106 if (PREDICT_FALSE (l == 0))
109 thread_index = vlib_get_thread_index ();
110 ASSERT (l->lock && l->thread_index == thread_index);
116 CLIB_MEMORY_BARRIER ();
122 stats_dsunlock (int hint, int tag)
124 stats_main_t *sm = &stats_main;
129 do_simple_interface_counters (stats_main_t * sm)
131 vl_api_vnet_interface_simple_counters_t *mp = 0;
132 vnet_interface_main_t *im = sm->interface_main;
133 api_main_t *am = sm->api_main;
134 vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
135 unix_shared_memory_queue_t *q = shmem_hdr->vl_input_queue;
136 vlib_simple_counter_main_t *cm;
137 u32 items_this_message = 0;
142 * Prevent interface registration from expanding / moving the vectors...
143 * That tends never to happen, so we can hold this lock for a while.
145 vnet_interface_counter_lock (im);
147 vec_foreach (cm, im->sw_if_counters)
149 n_counts = vlib_simple_counter_n_counters (cm);
150 for (i = 0; i < n_counts; i++)
154 items_this_message = clib_min (SIMPLE_COUNTER_BATCH_SIZE,
157 mp = vl_msg_api_alloc_as_if_client
158 (sizeof (*mp) + items_this_message * sizeof (v));
159 mp->_vl_msg_id = ntohs (VL_API_VNET_INTERFACE_SIMPLE_COUNTERS);
160 mp->vnet_counter_type = cm - im->sw_if_counters;
161 mp->first_sw_if_index = htonl (i);
163 vp = (u64 *) mp->data;
165 v = vlib_get_simple_counter (cm, i);
166 clib_mem_unaligned (vp, u64) = clib_host_to_net_u64 (v);
169 if (mp->count == items_this_message)
171 mp->count = htonl (items_this_message);
172 /* Send to the main thread... */
173 vl_msg_api_send_shmem (q, (u8 *) & mp);
179 vnet_interface_counter_unlock (im);
183 do_combined_interface_counters (stats_main_t * sm)
185 vl_api_vnet_interface_combined_counters_t *mp = 0;
186 vnet_interface_main_t *im = sm->interface_main;
187 api_main_t *am = sm->api_main;
188 vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
189 unix_shared_memory_queue_t *q = shmem_hdr->vl_input_queue;
190 vlib_combined_counter_main_t *cm;
191 u32 items_this_message = 0;
192 vlib_counter_t v, *vp = 0;
195 vnet_interface_counter_lock (im);
197 vec_foreach (cm, im->combined_sw_if_counters)
199 n_counts = vlib_combined_counter_n_counters (cm);
200 for (i = 0; i < n_counts; i++)
204 items_this_message = clib_min (COMBINED_COUNTER_BATCH_SIZE,
207 mp = vl_msg_api_alloc_as_if_client
208 (sizeof (*mp) + items_this_message * sizeof (v));
209 mp->_vl_msg_id = ntohs (VL_API_VNET_INTERFACE_COMBINED_COUNTERS);
210 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;
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)
595 v4_fib = pool_elt_at_index (im4->v4_fibs, fib->ft_index);
599 items_this_message = IP4_FIB_COUNTER_BATCH_SIZE;
600 mp = vl_msg_api_alloc_as_if_client
602 items_this_message * sizeof (vl_api_ip4_fib_counter_t));
603 mp->_vl_msg_id = ntohs (VL_API_VNET_IP4_FIB_COUNTERS);
605 mp->vrf_id = ntohl (fib->ft_table_id);
606 ctrp = (vl_api_ip4_fib_counter_t *) mp->c;
610 /* happens if the last FIB was empty... */
611 ASSERT (mp->count == 0);
612 mp->vrf_id = ntohl (fib->ft_table_id);
615 dslock (sm, 0 /* release hint */ , 1 /* tag */ );
617 vec_reset_length (routes);
618 vec_reset_length (results);
620 for (i = 0; i < ARRAY_LEN (v4_fib->fib_entry_by_dst_address); i++)
622 uword *hash = v4_fib->fib_entry_by_dst_address[i];
626 x.address_length = i;
628 hash_foreach_pair (p, hash,
630 x.address.data_u32 = p->key;
631 x.index = p->value[0];
633 vec_add1 (routes, x);
634 if (sm->data_structure_lock->release_hint)
636 start_at_fib_index = fib - im4->fibs;
638 ip46_fib_stats_delay (sm, 0 /* sec */,
639 STATS_RELEASE_DELAY_NS);
641 ctrp = (vl_api_ip4_fib_counter_t *)mp->c;
647 vec_foreach (r, routes)
651 vlib_get_combined_counter (&load_balance_main.lbm_to_counters,
655 * seen at least one packet, send it.
660 /* already in net byte order */
661 ctrp->address = r->address.as_u32;
662 ctrp->address_length = r->address_length;
663 ctrp->packets = clib_host_to_net_u64 (c.packets);
664 ctrp->bytes = clib_host_to_net_u64 (c.bytes);
668 if (mp->count == items_this_message)
670 mp->count = htonl (items_this_message);
672 * If the main thread's input queue is stuffed,
673 * drop the data structure lock (which the main thread
674 * may want), and take a pause.
676 unix_shared_memory_queue_lock (q);
677 if (unix_shared_memory_queue_is_full (q))
680 vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
681 unix_shared_memory_queue_unlock (q);
683 ip46_fib_stats_delay (sm, 0 /* sec */ ,
684 STATS_RELEASE_DELAY_NS);
687 vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
688 unix_shared_memory_queue_unlock (q);
690 items_this_message = IP4_FIB_COUNTER_BATCH_SIZE;
691 mp = vl_msg_api_alloc_as_if_client
693 items_this_message * sizeof (vl_api_ip4_fib_counter_t));
694 mp->_vl_msg_id = ntohs (VL_API_VNET_IP4_FIB_COUNTERS);
696 mp->vrf_id = ntohl (fib->ft_table_id);
697 ctrp = (vl_api_ip4_fib_counter_t *) mp->c;
699 } /* for each (mp or single) adj */
700 if (sm->data_structure_lock->release_hint)
702 start_at_fib_index = fib - im4->fibs;
704 ip46_fib_stats_delay (sm, 0 /* sec */ , STATS_RELEASE_DELAY_NS);
706 ctrp = (vl_api_ip4_fib_counter_t *) mp->c;
709 } /* vec_foreach (routes) */
713 /* Flush any data from this fib */
716 mp->count = htonl (mp->count);
717 vl_msg_api_send_shmem (q, (u8 *) & mp);
723 /* If e.g. the last FIB had no reportable routes, free the buffer */
725 vl_msg_api_free (mp);
730 ip6_address_t address;
738 ip6_route_t **routep;
740 } add_routes_in_fib_arg_t;
743 add_routes_in_fib (BVT (clib_bihash_kv) * kvp, void *arg)
745 add_routes_in_fib_arg_t *ap = arg;
746 stats_main_t *sm = ap->sm;
748 if (sm->data_structure_lock->release_hint)
749 clib_longjmp (&sm->jmp_buf, 1);
751 if (kvp->key[2] >> 32 == ap->fib_index)
755 addr = (ip6_address_t *) kvp;
756 vec_add2 (*ap->routep, r, 1);
757 r->address = addr[0];
758 r->address_length = kvp->key[2] & 0xFF;
759 r->index = kvp->value;
764 do_ip6_fibs (stats_main_t * sm)
766 ip6_main_t *im6 = &ip6_main;
767 api_main_t *am = sm->api_main;
768 vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
769 unix_shared_memory_queue_t *q = shmem_hdr->vl_input_queue;
770 static ip6_route_t *routes;
773 static uword *results;
774 vl_api_vnet_ip6_fib_counters_t *mp = 0;
775 u32 items_this_message;
776 vl_api_ip6_fib_counter_t *ctrp = 0;
777 u32 start_at_fib_index = 0;
778 BVT (clib_bihash) * h = &im6->ip6_table[IP6_FIB_TABLE_FWDING].ip6_hash;
779 add_routes_in_fib_arg_t _a, *a = &_a;
783 pool_foreach (fib, im6->fibs,
785 /* We may have bailed out due to control-plane activity */
786 while ((fib - im6->fibs) < start_at_fib_index)
791 items_this_message = IP6_FIB_COUNTER_BATCH_SIZE;
792 mp = vl_msg_api_alloc_as_if_client
794 items_this_message * sizeof (vl_api_ip6_fib_counter_t));
795 mp->_vl_msg_id = ntohs (VL_API_VNET_IP6_FIB_COUNTERS);
797 mp->vrf_id = ntohl (fib->ft_table_id);
798 ctrp = (vl_api_ip6_fib_counter_t *) mp->c;
801 dslock (sm, 0 /* release hint */ , 1 /* tag */ );
803 vec_reset_length (routes);
804 vec_reset_length (results);
806 a->fib_index = fib - im6->fibs;
810 if (clib_setjmp (&sm->jmp_buf, 0) == 0)
812 start_at_fib_index = fib - im6->fibs;
813 BV (clib_bihash_foreach_key_value_pair) (h, add_routes_in_fib, a);
818 ip46_fib_stats_delay (sm, 0 /* sec */ ,
819 STATS_RELEASE_DELAY_NS);
821 ctrp = (vl_api_ip6_fib_counter_t *) mp->c;
825 vec_foreach (r, routes)
829 vlib_get_combined_counter (&load_balance_main.lbm_to_counters,
833 * seen at least one packet, send it.
837 /* already in net byte order */
838 ctrp->address[0] = r->address.as_u64[0];
839 ctrp->address[1] = r->address.as_u64[1];
840 ctrp->address_length = (u8) r->address_length;
841 ctrp->packets = clib_host_to_net_u64 (c.packets);
842 ctrp->bytes = clib_host_to_net_u64 (c.bytes);
846 if (mp->count == items_this_message)
848 mp->count = htonl (items_this_message);
850 * If the main thread's input queue is stuffed,
851 * drop the data structure lock (which the main thread
852 * may want), and take a pause.
854 unix_shared_memory_queue_lock (q);
855 if (unix_shared_memory_queue_is_full (q))
858 vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
859 unix_shared_memory_queue_unlock (q);
861 ip46_fib_stats_delay (sm, 0 /* sec */ ,
862 STATS_RELEASE_DELAY_NS);
865 vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
866 unix_shared_memory_queue_unlock (q);
868 items_this_message = IP6_FIB_COUNTER_BATCH_SIZE;
869 mp = vl_msg_api_alloc_as_if_client
871 items_this_message * sizeof (vl_api_ip6_fib_counter_t));
872 mp->_vl_msg_id = ntohs (VL_API_VNET_IP6_FIB_COUNTERS);
874 mp->vrf_id = ntohl (fib->ft_table_id);
875 ctrp = (vl_api_ip6_fib_counter_t *) mp->c;
879 if (sm->data_structure_lock->release_hint)
881 start_at_fib_index = fib - im6->fibs;
883 ip46_fib_stats_delay (sm, 0 /* sec */ , STATS_RELEASE_DELAY_NS);
885 ctrp = (vl_api_ip6_fib_counter_t *) mp->c;
888 } /* vec_foreach (routes) */
892 /* Flush any data from this fib */
895 mp->count = htonl (mp->count);
896 vl_msg_api_send_shmem (q, (u8 *) & mp);
902 /* If e.g. the last FIB had no reportable routes, free the buffer */
904 vl_msg_api_free (mp);
908 stats_thread_fn (void *arg)
910 stats_main_t *sm = &stats_main;
911 vlib_worker_thread_t *w = (vlib_worker_thread_t *) arg;
912 vlib_thread_main_t *tm = vlib_get_thread_main ();
914 /* stats thread wants no signals. */
918 pthread_sigmask (SIG_SETMASK, &s, 0);
921 if (vec_len (tm->thread_prefix))
922 vlib_set_thread_name ((char *)
923 format (0, "%v_stats%c", tm->thread_prefix, '\0'));
925 clib_mem_set_heap (w->thread_mheap);
929 /* 10 second poll interval */
930 ip46_fib_stats_delay (sm, 10 /* secs */ , 0 /* nsec */ );
932 if (!(sm->enable_poller))
934 do_simple_interface_counters (sm);
935 do_combined_interface_counters (sm);
944 vl_api_vnet_interface_simple_counters_t_handler
945 (vl_api_vnet_interface_simple_counters_t * mp)
947 vpe_client_registration_t *reg;
948 stats_main_t *sm = &stats_main;
949 unix_shared_memory_queue_t *q, *q_prev = NULL;
950 vl_api_vnet_interface_simple_counters_t *mp_copy = NULL;
955 u32 count, sw_if_index;
959 mp_size = sizeof (*mp) + (ntohl (mp->count) * sizeof (u64));
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);
983 vp = (u64 *) mp->data;
985 switch (mp->vnet_counter_type)
987 case VNET_INTERFACE_COUNTER_DROP:
988 counter_name = "drop";
990 case VNET_INTERFACE_COUNTER_PUNT:
991 counter_name = "punt";
993 case VNET_INTERFACE_COUNTER_IP4:
994 counter_name = "ip4";
996 case VNET_INTERFACE_COUNTER_IP6:
997 counter_name = "ip6";
999 case VNET_INTERFACE_COUNTER_RX_NO_BUF:
1000 counter_name = "rx-no-buff";
1002 case VNET_INTERFACE_COUNTER_RX_MISS:
1003 , counter_name = "rx-miss";
1005 case VNET_INTERFACE_COUNTER_RX_ERROR:
1006 , counter_name = "rx-error (fifo-full)";
1008 case VNET_INTERFACE_COUNTER_TX_ERROR:
1009 , counter_name = "tx-error (fifo-full)";
1012 counter_name = "bogus";
1015 for (i = 0; i < count; i++)
1017 v = clib_mem_unaligned (vp, u64);
1018 v = clib_net_to_host_u64 (v);
1020 fformat (stdout, "%U.%s %lld\n", format_vnet_sw_if_index_name,
1021 sm->vnet_main, sw_if_index, counter_name, v);
1025 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1027 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1031 vl_msg_api_free (mp);
1036 vl_api_vnet_interface_combined_counters_t_handler
1037 (vl_api_vnet_interface_combined_counters_t * mp)
1039 vpe_client_registration_t *reg;
1040 stats_main_t *sm = &stats_main;
1041 unix_shared_memory_queue_t *q, *q_prev = NULL;
1042 vl_api_vnet_interface_combined_counters_t *mp_copy = NULL;
1047 u32 count, sw_if_index;
1051 mp_size = sizeof (*mp) + (ntohl (mp->count) * sizeof (vlib_counter_t));
1054 pool_foreach(reg, sm->stats_registrations,
1056 q = vl_api_client_index_to_input_queue (reg->client_index);
1059 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1061 mp_copy = vl_msg_api_alloc_as_if_client(mp_size);
1062 clib_memcpy(mp_copy, mp, mp_size);
1063 vl_msg_api_send_shmem (q_prev, (u8 *)&mp);
1072 count = ntohl (mp->count);
1073 sw_if_index = ntohl (mp->first_sw_if_index);
1077 vp = (vlib_counter_t *) mp->data;
1079 switch (mp->vnet_counter_type)
1081 case VNET_INTERFACE_COUNTER_RX:
1082 counter_name = "rx";
1084 case VNET_INTERFACE_COUNTER_TX:
1085 counter_name = "tx";
1088 counter_name = "bogus";
1091 for (i = 0; i < count; i++)
1093 packets = clib_mem_unaligned (&vp->packets, u64);
1094 packets = clib_net_to_host_u64 (packets);
1095 bytes = clib_mem_unaligned (&vp->bytes, u64);
1096 bytes = clib_net_to_host_u64 (bytes);
1098 fformat (stdout, "%U.%s.packets %lld\n",
1099 format_vnet_sw_if_index_name,
1100 sm->vnet_main, sw_if_index, counter_name, packets);
1101 fformat (stdout, "%U.%s.bytes %lld\n",
1102 format_vnet_sw_if_index_name,
1103 sm->vnet_main, sw_if_index, counter_name, bytes);
1108 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1110 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1114 vl_msg_api_free (mp);
1119 vl_api_vnet_ip4_fib_counters_t_handler (vl_api_vnet_ip4_fib_counters_t * mp)
1121 vpe_client_registration_t *reg;
1122 stats_main_t *sm = &stats_main;
1123 unix_shared_memory_queue_t *q, *q_prev = NULL;
1124 vl_api_vnet_ip4_fib_counters_t *mp_copy = NULL;
1127 mp_size = sizeof (*mp_copy) +
1128 ntohl (mp->count) * sizeof (vl_api_ip4_fib_counter_t);
1131 pool_foreach(reg, sm->stats_registrations,
1133 q = vl_api_client_index_to_input_queue (reg->client_index);
1136 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1138 mp_copy = vl_msg_api_alloc_as_if_client(mp_size);
1139 clib_memcpy(mp_copy, mp, mp_size);
1140 vl_msg_api_send_shmem (q_prev, (u8 *)&mp);
1147 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1149 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1153 vl_msg_api_free (mp);
1158 vl_api_vnet_ip4_nbr_counters_t_handler (vl_api_vnet_ip4_nbr_counters_t * mp)
1160 vpe_client_registration_t *reg;
1161 stats_main_t *sm = &stats_main;
1162 unix_shared_memory_queue_t *q, *q_prev = NULL;
1163 vl_api_vnet_ip4_nbr_counters_t *mp_copy = NULL;
1166 mp_size = sizeof (*mp_copy) +
1167 ntohl (mp->count) * sizeof (vl_api_ip4_nbr_counter_t);
1170 pool_foreach(reg, sm->stats_registrations,
1172 q = vl_api_client_index_to_input_queue (reg->client_index);
1175 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1177 mp_copy = vl_msg_api_alloc_as_if_client(mp_size);
1178 clib_memcpy(mp_copy, mp, mp_size);
1179 vl_msg_api_send_shmem (q_prev, (u8 *)&mp);
1186 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1188 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1192 vl_msg_api_free (mp);
1197 vl_api_vnet_ip6_fib_counters_t_handler (vl_api_vnet_ip6_fib_counters_t * mp)
1199 vpe_client_registration_t *reg;
1200 stats_main_t *sm = &stats_main;
1201 unix_shared_memory_queue_t *q, *q_prev = NULL;
1202 vl_api_vnet_ip6_fib_counters_t *mp_copy = NULL;
1205 mp_size = sizeof (*mp_copy) +
1206 ntohl (mp->count) * sizeof (vl_api_ip6_fib_counter_t);
1209 pool_foreach(reg, sm->stats_registrations,
1211 q = vl_api_client_index_to_input_queue (reg->client_index);
1214 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1216 mp_copy = vl_msg_api_alloc_as_if_client(mp_size);
1217 clib_memcpy(mp_copy, mp, mp_size);
1218 vl_msg_api_send_shmem (q_prev, (u8 *)&mp);
1225 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1227 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1231 vl_msg_api_free (mp);
1236 vl_api_vnet_ip6_nbr_counters_t_handler (vl_api_vnet_ip6_nbr_counters_t * mp)
1238 vpe_client_registration_t *reg;
1239 stats_main_t *sm = &stats_main;
1240 unix_shared_memory_queue_t *q, *q_prev = NULL;
1241 vl_api_vnet_ip6_nbr_counters_t *mp_copy = NULL;
1244 mp_size = sizeof (*mp_copy) +
1245 ntohl (mp->count) * sizeof (vl_api_ip6_nbr_counter_t);
1248 pool_foreach(reg, sm->stats_registrations,
1250 q = vl_api_client_index_to_input_queue (reg->client_index);
1253 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1255 mp_copy = vl_msg_api_alloc_as_if_client(mp_size);
1256 clib_memcpy(mp_copy, mp, mp_size);
1257 vl_msg_api_send_shmem (q_prev, (u8 *)&mp);
1264 if (q_prev && (q_prev->cursize < q_prev->maxsize))
1266 vl_msg_api_send_shmem (q_prev, (u8 *) & mp);
1270 vl_msg_api_free (mp);
1275 vl_api_want_stats_t_handler (vl_api_want_stats_t * mp)
1277 stats_main_t *sm = &stats_main;
1278 vpe_client_registration_t *rp;
1279 vl_api_want_stats_reply_t *rmp;
1282 unix_shared_memory_queue_t *q;
1284 p = hash_get (sm->stats_registration_hash, mp->client_index);
1287 if (mp->enable_disable)
1289 clib_warning ("pid %d: already enabled...", mp->pid);
1295 rp = pool_elt_at_index (sm->stats_registrations, p[0]);
1296 pool_put (sm->stats_registrations, rp);
1297 hash_unset (sm->stats_registration_hash, mp->client_index);
1301 if (mp->enable_disable == 0)
1303 clib_warning ("pid %d: already disabled...", mp->pid);
1307 pool_get (sm->stats_registrations, rp);
1308 rp->client_index = mp->client_index;
1309 rp->client_pid = mp->pid;
1310 hash_set (sm->stats_registration_hash, rp->client_index,
1311 rp - sm->stats_registrations);
1314 if (pool_elts (sm->stats_registrations))
1315 sm->enable_poller = 1;
1317 sm->enable_poller = 0;
1319 q = vl_api_client_index_to_input_queue (mp->client_index);
1324 rmp = vl_msg_api_alloc (sizeof (*rmp));
1325 rmp->_vl_msg_id = ntohs (VL_API_WANT_STATS_REPLY);
1326 rmp->context = mp->context;
1327 rmp->retval = retval;
1329 vl_msg_api_send_shmem (q, (u8 *) & rmp);
1333 stats_memclnt_delete_callback (u32 client_index)
1335 vpe_client_registration_t *rp;
1336 stats_main_t *sm = &stats_main;
1339 p = hash_get (sm->stats_registration_hash, client_index);
1342 rp = pool_elt_at_index (sm->stats_registrations, p[0]);
1343 pool_put (sm->stats_registrations, rp);
1344 hash_unset (sm->stats_registration_hash, client_index);
1350 #define vl_api_vnet_interface_simple_counters_t_endian vl_noop_handler
1351 #define vl_api_vnet_interface_simple_counters_t_print vl_noop_handler
1352 #define vl_api_vnet_interface_combined_counters_t_endian vl_noop_handler
1353 #define vl_api_vnet_interface_combined_counters_t_print vl_noop_handler
1354 #define vl_api_vnet_ip4_fib_counters_t_endian vl_noop_handler
1355 #define vl_api_vnet_ip4_fib_counters_t_print vl_noop_handler
1356 #define vl_api_vnet_ip6_fib_counters_t_endian vl_noop_handler
1357 #define vl_api_vnet_ip6_fib_counters_t_print vl_noop_handler
1358 #define vl_api_vnet_ip4_nbr_counters_t_endian vl_noop_handler
1359 #define vl_api_vnet_ip4_nbr_counters_t_print vl_noop_handler
1360 #define vl_api_vnet_ip6_nbr_counters_t_endian vl_noop_handler
1361 #define vl_api_vnet_ip6_nbr_counters_t_print vl_noop_handler
1363 static clib_error_t *
1364 stats_init (vlib_main_t * vm)
1366 stats_main_t *sm = &stats_main;
1367 api_main_t *am = &api_main;
1368 void *vlib_worker_thread_bootstrap_fn (void *arg);
1371 sm->vnet_main = vnet_get_main ();
1372 sm->interface_main = &vnet_get_main ()->interface_main;
1374 sm->stats_poll_interval_in_seconds = 10;
1375 sm->data_structure_lock =
1376 clib_mem_alloc_aligned (sizeof (data_structure_lock_t),
1377 CLIB_CACHE_LINE_BYTES);
1378 memset (sm->data_structure_lock, 0, sizeof (*sm->data_structure_lock));
1381 vl_msg_api_set_handlers(VL_API_##N, #n, \
1382 vl_api_##n##_t_handler, \
1384 vl_api_##n##_t_endian, \
1385 vl_api_##n##_t_print, \
1386 sizeof(vl_api_##n##_t), 0 /* do NOT trace! */);
1390 /* tell the msg infra not to free these messages... */
1391 am->message_bounce[VL_API_VNET_INTERFACE_SIMPLE_COUNTERS] = 1;
1392 am->message_bounce[VL_API_VNET_INTERFACE_COMBINED_COUNTERS] = 1;
1393 am->message_bounce[VL_API_VNET_IP4_FIB_COUNTERS] = 1;
1394 am->message_bounce[VL_API_VNET_IP6_FIB_COUNTERS] = 1;
1395 am->message_bounce[VL_API_VNET_IP4_NBR_COUNTERS] = 1;
1396 am->message_bounce[VL_API_VNET_IP6_NBR_COUNTERS] = 1;
1401 VLIB_INIT_FUNCTION (stats_init);
1404 VLIB_REGISTER_THREAD (stats_thread_reg, static) = {
1406 .function = stats_thread_fn,
1409 .no_data_structure_clone = 1,
1415 * fd.io coding-style-patch-verification: ON
1418 * eval: (c-set-style "gnu")