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authorFlorin Coras <fcoras@cisco.com>2022-04-25 16:15:02 -0700
committerDave Barach <openvpp@barachs.net>2022-04-26 15:10:14 +0000
commitd82f471a059cf6d7fae76658b2f6f31df96d5773 (patch)
treea803a888cf41cf4d306c8f9fb19ee9bebfbab70a /src
parentc5d81b91be30c9a69bb5333f2685f536246dd1f8 (diff)
session: export session counts to stats segment
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I02aec410eaa7ccb999159b6967414fbaf4e76a3f
Diffstat (limited to 'src')
-rw-r--r--src/vnet/session/session.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index d791c463f90..e6a50f4141d 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -21,6 +21,7 @@
#include <vnet/session/application.h>
#include <vnet/dpo/load_balance.h>
#include <vnet/fib/ip4_fib.h>
+#include <vlib/stats/stats.h>
session_main_t session_main;
@@ -1856,6 +1857,44 @@ session_queue_run_on_main_thread (vlib_main_t * vm)
vlib_node_set_interrupt_pending (vm, session_queue_node.index);
}
+static void
+session_stats_collector_fn (vlib_stats_collector_data_t *d)
+{
+ u32 i, n_workers, n_wrk_sessions, n_sessions = 0;
+ session_main_t *smm = &session_main;
+ session_worker_t *wrk;
+ counter_t **counters;
+ counter_t *cb;
+
+ n_workers = vec_len (smm->wrk);
+ vlib_stats_validate (d->entry_index, 0, n_workers - 1);
+ counters = d->entry->data;
+ cb = counters[0];
+
+ for (i = 0; i < vec_len (smm->wrk); i++)
+ {
+ wrk = session_main_get_worker (i);
+ n_wrk_sessions = pool_elts (wrk->sessions);
+ cb[i] = n_wrk_sessions;
+ n_sessions += n_wrk_sessions;
+ }
+
+ vlib_stats_set_gauge (d->private_data, n_sessions);
+}
+
+static void
+session_stats_collector_init (void)
+{
+ vlib_stats_collector_reg_t reg;
+
+ reg.entry_index =
+ vlib_stats_add_counter_vector ("/sys/session/sessions_per_worker");
+ reg.private_data = vlib_stats_add_gauge ("/sys/session/sessions_total");
+ reg.collect_fn = session_stats_collector_fn;
+ vlib_stats_register_collector_fn (&reg);
+ vlib_stats_validate (reg.entry_index, 0, vlib_get_n_threads ());
+}
+
static clib_error_t *
session_manager_main_enable (vlib_main_t * vm)
{
@@ -1928,6 +1967,7 @@ session_manager_main_enable (vlib_main_t * vm)
session_lookup_init ();
app_namespaces_init ();
transport_init ();
+ session_stats_collector_init ();
smm->is_initialized = 1;
done: