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authorFilip Tehlar <ftehlar@cisco.com>2017-04-07 10:41:42 +0200
committerFlorin Coras <florin.coras@gmail.com>2017-04-13 08:43:06 +0000
commit2151191e064e7a1fa37df436c0f771ee46fce3b0 (patch)
tree8d84816aedf0403cf9a9931f2346f48ece5be2d8 /src/vnet/lisp-gpe
parent30d857cd07785461f993ec4a935d99af75673f4a (diff)
LISP: make statistics thread safe
Change-Id: I056dc6246f79d887d69ad459a6b8b3092a099baa Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Diffstat (limited to 'src/vnet/lisp-gpe')
-rw-r--r--src/vnet/lisp-gpe/lisp_gpe.c3
-rw-r--r--src/vnet/lisp-gpe/lisp_gpe.h13
-rw-r--r--src/vnet/lisp-gpe/lisp_gpe_adjacency.c20
-rw-r--r--src/vnet/lisp-gpe/lisp_gpe_fwd_entry.c63
-rw-r--r--src/vnet/lisp-gpe/lisp_gpe_fwd_entry.h7
5 files changed, 65 insertions, 41 deletions
diff --git a/src/vnet/lisp-gpe/lisp_gpe.c b/src/vnet/lisp-gpe/lisp_gpe.c
index 1241ab9caec..052410e27d6 100644
--- a/src/vnet/lisp-gpe/lisp_gpe.c
+++ b/src/vnet/lisp-gpe/lisp_gpe.c
@@ -426,6 +426,9 @@ lisp_gpe_init (vlib_main_t * vm)
lgm->lisp_stats_index_by_key =
hash_create_mem (0, sizeof (lisp_stats_key_t), sizeof (uword));
+ memset (&lgm->counters, 0, sizeof (lgm->counters));
+ lgm->counters.name = "LISP counters";
+
return 0;
}
diff --git a/src/vnet/lisp-gpe/lisp_gpe.h b/src/vnet/lisp-gpe/lisp_gpe.h
index b3821ac8cca..38d76997ce3 100644
--- a/src/vnet/lisp-gpe/lisp_gpe.h
+++ b/src/vnet/lisp-gpe/lisp_gpe.h
@@ -98,19 +98,13 @@ typedef struct
typedef struct
{
- u32 pkt_count;
- u32 bytes;
-} lisp_stats_t;
-
-typedef struct
-{
u32 vni;
dp_address_t deid;
dp_address_t seid;
ip_address_t loc_rloc;
ip_address_t rmt_rloc;
- lisp_stats_t stats;
+ vlib_counter_t counters;
} lisp_api_stats_t;
typedef enum gpe_encap_mode_e
@@ -165,8 +159,9 @@ typedef struct lisp_gpe_main
gpe_encap_mode_t encap_mode;
- lisp_stats_t *lisp_stats_pool;
+ u8 *dummy_stats_pool;
uword *lisp_stats_index_by_key;
+ vlib_combined_counter_main_t counters;
/** convenience */
vlib_main_t *vlib_main;
@@ -313,7 +308,7 @@ int vnet_gpe_set_encap_mode (gpe_encap_mode_t mode);
u8 vnet_lisp_stats_enable_disable_state (void);
vnet_api_error_t vnet_lisp_stats_enable_disable (u8 enable);
lisp_api_stats_t *vnet_lisp_get_stats (void);
-void vnet_lisp_flush_stats (void);
+int vnet_lisp_flush_stats (void);
#endif /* included_vnet_lisp_gpe_h */
diff --git a/src/vnet/lisp-gpe/lisp_gpe_adjacency.c b/src/vnet/lisp-gpe/lisp_gpe_adjacency.c
index 79b2a07f7cd..d5f3a28ac9d 100644
--- a/src/vnet/lisp-gpe/lisp_gpe_adjacency.c
+++ b/src/vnet/lisp-gpe/lisp_gpe_adjacency.c
@@ -250,7 +250,6 @@ lisp_gpe_increment_stats_counters (lisp_cp_main_t * lcm, ip_adjacency_t * adj,
index_t lai;
u32 si, di;
gid_address_t src, dst;
- lisp_stats_t *stats;
uword *feip;
ip46_address_to_ip_address (&adj->sub_type.nbr.next_hop, &rloc);
@@ -299,23 +298,12 @@ lisp_gpe_increment_stats_counters (lisp_cp_main_t * lcm, ip_adjacency_t * adj,
key.tunnel_index = ladj->tunnel_index;
uword *p = hash_get_mem (lgm->lisp_stats_index_by_key, &key);
- if (p)
- {
- stats = pool_elt_at_index (lgm->lisp_stats_pool, p[0]);
- }
- else
- {
- pool_get (lgm->lisp_stats_pool, stats);
- memset (stats, 0, sizeof (*stats));
+ ASSERT (p);
- lisp_stats_key_t *key_copy = clib_mem_alloc (sizeof (*key_copy));
- memcpy (key_copy, &key, sizeof (*key_copy));
- hash_set_mem (lgm->lisp_stats_index_by_key, key_copy,
- stats - lgm->lisp_stats_pool);
- }
- stats->pkt_count++;
/* compute payload length starting after GPE */
- stats->bytes += b->current_length - (lisp_data - b->data - b->current_data);
+ u32 bytes = b->current_length - (lisp_data - b->data - b->current_data);
+ vlib_increment_combined_counter (&lgm->counters, os_get_cpu_number (),
+ p[0], 1, bytes);
}
static void
diff --git a/src/vnet/lisp-gpe/lisp_gpe_fwd_entry.c b/src/vnet/lisp-gpe/lisp_gpe_fwd_entry.c
index d2954e9649a..6d400f75489 100644
--- a/src/vnet/lisp-gpe/lisp_gpe_fwd_entry.c
+++ b/src/vnet/lisp-gpe/lisp_gpe_fwd_entry.c
@@ -410,6 +410,43 @@ lisp_gpe_fwd_entry_mk_paths (lisp_gpe_fwd_entry_t * lfe,
vec_sort_with_function (lfe->paths, lisp_gpe_fwd_entry_path_sort);
}
+void
+vnet_lisp_gpe_add_fwd_counters (vnet_lisp_gpe_add_del_fwd_entry_args_t * a,
+ u32 fwd_entry_index)
+{
+ const lisp_gpe_adjacency_t *ladj;
+ lisp_fwd_path_t *path;
+ lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main ();
+ u8 *dummy_elt;
+ lisp_gpe_fwd_entry_t *lfe;
+ lisp_gpe_fwd_entry_key_t fe_key;
+ lisp_stats_key_t key;
+
+ lfe = find_fwd_entry (lgm, a, &fe_key);
+
+ if (LISP_GPE_FWD_ENTRY_TYPE_NORMAL != lfe->type)
+ return;
+
+ memset (&key, 0, sizeof (key));
+ key.fwd_entry_index = fwd_entry_index;
+
+ vec_foreach (path, lfe->paths)
+ {
+ ladj = lisp_gpe_adjacency_get (path->lisp_adj);
+ key.tunnel_index = ladj->tunnel_index;
+ lisp_stats_key_t *key_copy = clib_mem_alloc (sizeof (*key_copy));
+ memcpy (key_copy, &key, sizeof (*key_copy));
+ pool_get (lgm->dummy_stats_pool, dummy_elt);
+ hash_set_mem (lgm->lisp_stats_index_by_key, key_copy,
+ dummy_elt - lgm->dummy_stats_pool);
+
+ vlib_validate_combined_counter (&lgm->counters,
+ dummy_elt - lgm->dummy_stats_pool);
+ vlib_zero_combined_counter (&lgm->counters,
+ dummy_elt - lgm->dummy_stats_pool);
+ }
+}
+
/**
* @brief Add/Delete LISP IP forwarding entry.
*
@@ -1172,19 +1209,17 @@ vnet_lisp_gpe_add_del_fwd_entry (vnet_lisp_gpe_add_del_fwd_entry_args_t * a,
}
}
-void
+int
vnet_lisp_flush_stats (void)
{
lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main ();
- lisp_stats_t *stat;
+ vlib_combined_counter_main_t *cm = &lgm->counters;
+ u32 i;
- /* *INDENT-OFF* */
- pool_foreach (stat, lgm->lisp_stats_pool,
- {
- stat->pkt_count = 0;
- stat->bytes = 0;
- });
- /* *INDENT-ON* */
+ for (i = 0; i < vlib_combined_counter_n_counters (cm); i++)
+ vlib_zero_combined_counter (cm, i);
+
+ return 0;
}
static void
@@ -1194,7 +1229,7 @@ lisp_del_adj_stats (lisp_gpe_main_t * lgm, u32 fwd_entry_index, u32 ti)
lisp_stats_key_t key;
void *key_copy;
uword *p;
- lisp_stats_t *s;
+ u8 *s;
memset (&key, 0, sizeof (key));
key.fwd_entry_index = fwd_entry_index;
@@ -1203,18 +1238,18 @@ lisp_del_adj_stats (lisp_gpe_main_t * lgm, u32 fwd_entry_index, u32 ti)
p = hash_get_mem (lgm->lisp_stats_index_by_key, &key);
if (p)
{
- s = pool_elt_at_index (lgm->lisp_stats_pool, p[0]);
+ s = pool_elt_at_index (lgm->dummy_stats_pool, p[0]);
hp = hash_get_pair (lgm->lisp_stats_index_by_key, &key);
key_copy = (void *) (hp->key);
hash_unset_mem (lgm->lisp_stats_index_by_key, &key);
clib_mem_free (key_copy);
- pool_put (lgm->lisp_stats_pool, s);
+ pool_put (lgm->dummy_stats_pool, s);
}
}
void
-vnet_lisp_del_fwd_stats (vnet_lisp_gpe_add_del_fwd_entry_args_t * a,
- u32 fwd_entry_index)
+vnet_lisp_gpe_del_fwd_counters (vnet_lisp_gpe_add_del_fwd_entry_args_t * a,
+ u32 fwd_entry_index)
{
lisp_gpe_main_t *lgm = &lisp_gpe_main;
lisp_gpe_fwd_entry_key_t fe_key;
diff --git a/src/vnet/lisp-gpe/lisp_gpe_fwd_entry.h b/src/vnet/lisp-gpe/lisp_gpe_fwd_entry.h
index 92e18526604..b9d9c98359b 100644
--- a/src/vnet/lisp-gpe/lisp_gpe_fwd_entry.h
+++ b/src/vnet/lisp-gpe/lisp_gpe_fwd_entry.h
@@ -212,8 +212,11 @@ extern u32 lisp_l2_fib_lookup (lisp_gpe_main_t * lgm,
extern const dpo_id_t *lisp_nsh_fib_lookup (lisp_gpe_main_t * lgm,
u32 spi_si);
extern void
-vnet_lisp_del_fwd_stats (vnet_lisp_gpe_add_del_fwd_entry_args_t * a,
- u32 fwd_entry_index);
+vnet_lisp_gpe_del_fwd_counters (vnet_lisp_gpe_add_del_fwd_entry_args_t * a,
+ u32 fwd_entry_index);
+extern void
+vnet_lisp_gpe_add_fwd_counters (vnet_lisp_gpe_add_del_fwd_entry_args_t * a,
+ u32 fwd_entry_index);
#endif
/*