#include <vnet/devices/devices.h> /* vnet_get_aggregate_rx_packets */
#undef HAVE_MEMFD_CREATE
#include <vppinfra/linux/syscall.h>
-
+#include <vpp-api/client/stat_client.h>
stat_segment_main_t stat_segment_main;
/*
* Change heap to the stats shared memory segment
*/
void *
-vlib_stats_push_heap (void)
+vlib_stats_push_heap (void *old)
{
stat_segment_main_t *sm = &stat_segment_main;
+ sm->last = old;
ASSERT (sm && sm->shared_header);
return clib_mem_set_heap (sm->heap);
}
}
void
-vlib_stats_pop_heap (void *cm_arg, void *oldheap, stat_directory_type_t type)
+vlib_stats_pop_heap (void *cm_arg, void *oldheap, u32 cindex,
+ stat_directory_type_t type)
{
vlib_simple_counter_main_t *cm = (vlib_simple_counter_main_t *) cm_arg;
stat_segment_main_t *sm = &stat_segment_main;
strncpy (e.name, stat_segment_name, 128 - 1);
e.type = type;
vec_add1 (sm->directory_vector, e);
- vector_index++;
}
stat_segment_directory_entry_t *ep = &sm->directory_vector[vector_index];
/* Update the 2nd dimension offset vector */
int i;
vec_validate (offset_vector, vec_len (cm->counters) - 1);
- for (i = 0; i < vec_len (cm->counters); i++)
- offset_vector[i] = stat_segment_offset (shared_header, cm->counters[i]);
+
+ if (sm->last != offset_vector)
+ {
+ for (i = 0; i < vec_len (cm->counters); i++)
+ offset_vector[i] =
+ stat_segment_offset (shared_header, cm->counters[i]);
+ }
+ else
+ offset_vector[cindex] =
+ stat_segment_offset (shared_header, cm->counters[cindex]);
+
ep->offset_vector = stat_segment_offset (shared_header, offset_vector);
sm->directory_vector[vector_index].offset =
stat_segment_offset (shared_header, cm->counters);
e.name[vec_len (name)] = '\0';
e.type = STAT_DIR_TYPE_ERROR_INDEX;
e.offset = index;
+ e.offset_vector = 0;
vec_add1 (sm->directory_vector, e);
/* Warn clients to refresh any pointers they might be holding */
stat_segment_main_t *sm = &stat_segment_main;
stat_segment_shared_header_t *shared_header;
stat_segment_directory_entry_t *ep;
-
- f64 *scalar_data;
- u8 *name;
void *oldheap;
- u32 *lock;
- int rv;
ssize_t memory_size;
-
-
int mfd;
char *mem_name = "stat_segment_test";
void *memaddr;
shared_header->epoch = 1;
/* Scalar stats and node counters */
- vec_validate (sm->directory_vector, STAT_COUNTERS - 1);
+ vec_validate (sm->directory_vector, STAT_COUNTERS);
#define _(E,t,n,p) \
- strcpy(sm->directory_vector[STAT_COUNTER_##E].name, "/sys" #p "/" #n); \
+ strcpy(sm->directory_vector[STAT_COUNTER_##E].name, #p "/" #n); \
sm->directory_vector[STAT_COUNTER_##E].type = STAT_DIR_TYPE_##t;
foreach_stat_segment_counter_name
#undef _
stat_validate_counter_vector (&sm->directory_vector
[STAT_COUNTER_NODE_SUSPENDS], l);
+ vec_validate (sm->nodes, l - 1);
+ stat_segment_directory_entry_t *ep;
+ ep = &sm->directory_vector[STAT_COUNTER_NODE_NAMES];
+ ep->offset = stat_segment_offset (shared_header, sm->nodes);
+
+ int i;
+ u64 *offset_vector =
+ ep->offset_vector ? stat_segment_pointer (shared_header,
+ ep->offset_vector) : 0;
+ /* Update names dictionary */
+ vec_validate (offset_vector, l - 1);
+ vlib_node_t **nodes = node_dups[0];
+
+ for (i = 0; i < vec_len (nodes); i++)
+ {
+ vlib_node_t *n = nodes[i];
+ u8 *s = 0;
+ s = format (s, "%v%c", n->name, 0);
+ if (sm->nodes[n->index])
+ vec_free (sm->nodes[n->index]);
+ sm->nodes[n->index] = s;
+ offset_vector[i] =
+ sm->nodes[i] ? stat_segment_offset (shared_header,
+ sm->nodes[i]) : 0;
+
+ }
+ ep->offset_vector = stat_segment_offset (shared_header, offset_vector);
+
vlib_stat_segment_unlock ();
clib_mem_set_heap (oldheap);
no_max_nodes = l;
static void
do_stat_segment_updates (stat_segment_main_t * sm)
{
+ stat_segment_shared_header_t *shared_header = sm->shared_header;
vlib_main_t *vm = vlib_mains[0];
f64 vector_rate;
u64 input_packets, last_input_packets;
f64 dt, now;
vlib_main_t *this_vlib_main;
int i, start;
+ counter_t **counters;
+ static int num_worker_threads_set;
+
+ /*
+ * Set once at the beginning of time.
+ * Can't do this from the init routine, which happens before
+ * start_workers sets up vlib_mains...
+ */
+ if (PREDICT_FALSE (num_worker_threads_set == 0))
+ {
+ sm->directory_vector[STAT_COUNTER_NUM_WORKER_THREADS].value =
+ vec_len (vlib_mains) > 1 ? vec_len (vlib_mains) - 1 : 1;
+
+ stat_validate_counter_vector (&sm->directory_vector
+ [STAT_COUNTER_VECTOR_RATE_PER_WORKER],
+ vec_len (vlib_mains));
+ num_worker_threads_set = 1;
+ }
/*
- * Compute the average vector rate across all workers
+ * Compute per-worker vector rates, and the average vector rate
+ * across all workers
*/
vector_rate = 0.0;
+ counters =
+ stat_segment_pointer (shared_header,
+ sm->directory_vector
+ [STAT_COUNTER_VECTOR_RATE_PER_WORKER].offset);
+
start = vec_len (vlib_mains) > 1 ? 1 : 0;
for (i = start; i < vec_len (vlib_mains); i++)
{
+
+ f64 this_vector_rate;
+
this_vlib_main = vlib_mains[i];
- vector_rate += vlib_last_vector_length_per_node (this_vlib_main);
+
+ this_vector_rate = vlib_last_vector_length_per_node (this_vlib_main);
+ vector_rate += this_vector_rate;
+
+ /* Set the per-worker rate */
+ counters[i - start][0] = this_vector_rate;
}
+
+ /* And set the system average rate */
vector_rate /= (f64) (i - start);
- sm->directory_vector[STAT_COUNTER_VECTOR_RATE].value =
- vector_rate / ((f64) (vec_len (vlib_mains) - start));
+ sm->directory_vector[STAT_COUNTER_VECTOR_RATE].value = vector_rate;
/*
* Compute the aggregate input rate
if (sm->node_counters_enabled)
update_node_counters (sm);
+ /* *INDENT-OFF* */
+ stat_segment_gauges_pool_t *g;
+ pool_foreach(g, sm->gauges,
+ ({
+ g->fn(&sm->directory_vector[g->directory_index], g->caller_index);
+ }));
+ /* *INDENT-ON* */
+
/* Heartbeat, so clients detect we're still here */
sm->directory_vector[STAT_COUNTER_HEARTBEAT].value++;
}
clib_error_t *error;
clib_socket_t *s = clib_mem_alloc (sizeof (clib_socket_t));
+ memset (s, 0, sizeof (clib_socket_t));
s->config = (char *) sm->socket_name;
s->flags = CLIB_SOCKET_F_IS_SERVER | CLIB_SOCKET_F_SEQPACKET |
CLIB_SOCKET_F_ALLOW_GROUP_WRITE | CLIB_SOCKET_F_PASSCRED;
+
if ((error = clib_socket_init (s)))
{
clib_error_report (error);
clib_file_t template = { 0 };
template.read_function = stats_socket_accept_ready;
template.file_descriptor = s->fd;
- template.description =
- format (0, "stats segment listener %s", STAT_SEGMENT_SOCKET_FILE);
+ template.description = format (0, "stats segment listener %s", s->config);
clib_file_add (&file_main, &template);
sm->socket = s;
}
+static clib_error_t *
+stats_segment_socket_exit (vlib_main_t * vm)
+{
+ /*
+ * cleanup the listener socket on exit.
+ */
+ stat_segment_main_t *sm = &stat_segment_main;
+ unlink ((char *) sm->socket_name);
+ return 0;
+}
+
+VLIB_MAIN_LOOP_EXIT_FUNCTION (stats_segment_socket_exit);
+
static uword
stat_segment_collector_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
vlib_frame_t * f)
statseg_init (vlib_main_t * vm)
{
stat_segment_main_t *sm = &stat_segment_main;
- clib_error_t *error;
-
- if ((error = vlib_call_init_function (vm, unix_input_init)))
- return error;
if (sm->socket_name)
stats_segment_socket_init ();
return 0;
}
+/* *INDENT-OFF* */
+VLIB_INIT_FUNCTION (statseg_init) =
+{
+ .runs_after = VLIB_INITS("unix_input_init"),
+};
+/* *INDENT-ON* */
+
+
+clib_error_t *
+stat_segment_register_gauge (u8 * name, stat_segment_update_fn update_fn,
+ u32 caller_index)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+ stat_segment_shared_header_t *shared_header = sm->shared_header;
+ void *oldheap;
+ stat_segment_directory_entry_t e;
+ u32 index;
+ stat_segment_gauges_pool_t *gauge;
+
+ ASSERT (shared_header);
+
+ oldheap = vlib_stats_push_heap (NULL);
+ vlib_stat_segment_lock ();
+
+ memset (&e, 0, sizeof (e));
+ e.type = STAT_DIR_TYPE_SCALAR_INDEX;
+
+ memcpy (e.name, name, vec_len (name));
+ index = vec_len (sm->directory_vector);
+ vec_add1 (sm->directory_vector, e);
+
+ shared_header->directory_offset =
+ stat_segment_offset (shared_header, sm->directory_vector);
+
+ vlib_stat_segment_unlock ();
+ clib_mem_set_heap (oldheap);
+
+ /* Back on our own heap */
+ pool_get (sm->gauges, gauge);
+ gauge->fn = update_fn;
+ gauge->caller_index = caller_index;
+ gauge->directory_index = index;
+
+ return NULL;
+}
+
static clib_error_t *
statseg_config (vlib_main_t * vm, unformat_input_t * input)
{
stat_segment_main_t *sm = &stat_segment_main;
+ /* set default socket file name when statseg config stanza is empty. */
+ sm->socket_name = format (0, "%s", STAT_SEGMENT_SOCKET_FILE);
+ /*
+ * NULL-terminate socket name string
+ * clib_socket_init()->socket_config() use C str*
+ */
+ vec_add1 (sm->socket_name, 0);
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "socket-name %s", &sm->socket_name))
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
+ return 0;
+}
+
+static clib_error_t *
+statseg_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+ stat_segment_shared_header_t *shared_header = sm->shared_header;
+
+ void *oldheap = vlib_stats_push_heap (sm->interfaces);
+ vlib_stat_segment_lock ();
+
+ vec_validate (sm->interfaces, sw_if_index);
+ if (is_add)
+ {
+ vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
+ vnet_sw_interface_t *si_sup =
+ vnet_get_sup_sw_interface (vnm, si->sw_if_index);
+ vnet_hw_interface_t *hi_sup;
+
+ ASSERT (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE);
+ hi_sup = vnet_get_hw_interface (vnm, si_sup->hw_if_index);
+
+ u8 *s = 0;
+ s = format (s, "%v", hi_sup->name);
+ if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
+ s = format (s, ".%d", si->sub.id);
+ s = format (s, "%c", 0);
+ sm->interfaces[sw_if_index] = s;
+ }
+ else
+ {
+ vec_free (sm->interfaces[sw_if_index]);
+ sm->interfaces[sw_if_index] = 0;
+ }
+
+ stat_segment_directory_entry_t *ep;
+ ep = &sm->directory_vector[STAT_COUNTER_INTERFACE_NAMES];
+ ep->offset = stat_segment_offset (shared_header, sm->interfaces);
+
+ int i;
+ u64 *offset_vector =
+ ep->offset_vector ? stat_segment_pointer (shared_header,
+ ep->offset_vector) : 0;
+
+ vec_validate (offset_vector, vec_len (sm->interfaces) - 1);
+
+ if (sm->last != sm->interfaces)
+ {
+ /* the interface vector moved, so need to recalulate the offset array */
+ for (i = 0; i < vec_len (sm->interfaces); i++)
+ {
+ offset_vector[i] =
+ sm->interfaces[i] ? stat_segment_offset (shared_header,
+ sm->interfaces[i]) : 0;
+ }
+ }
+ else
+ {
+ offset_vector[sw_if_index] =
+ sm->interfaces[sw_if_index] ?
+ stat_segment_offset (shared_header, sm->interfaces[sw_if_index]) : 0;
+ }
+ ep->offset_vector = stat_segment_offset (shared_header, offset_vector);
+
+ vlib_stat_segment_unlock ();
+ clib_mem_set_heap (oldheap);
return 0;
}
-VLIB_INIT_FUNCTION (statseg_init);
VLIB_EARLY_CONFIG_FUNCTION (statseg_config, "statseg");
+VNET_SW_INTERFACE_ADD_DEL_FUNCTION (statseg_sw_interface_add_del);
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (stat_segment_collector, static) =
{
-.function = stat_segment_collector_process,.name =
- "statseg-collector-process",.type = VLIB_NODE_TYPE_PROCESS,};
+.function = stat_segment_collector_process,
+.name = "statseg-collector-process",
+.type = VLIB_NODE_TYPE_PROCESS,
+};
/* *INDENT-ON* */
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