#undef HAVE_MEMFD_CREATE
#include <vppinfra/linux/syscall.h>
#include <vpp-api/client/stat_client.h>
+#include <vppinfra/mheap.h>
stat_segment_main_t stat_segment_main;
return clib_mem_set_heap (sm->heap);
}
-/* Name to vector index hash */
static u32
-lookup_or_create_hash_index (void *oldheap, char *name, u32 next_vector_index)
+lookup_or_create_hash_index (u8 * name, u32 next_vector_index)
{
stat_segment_main_t *sm = &stat_segment_main;
u32 index;
hash_pair_t *hp;
+ /* Must be called in the context of the main heap */
+ ASSERT (clib_mem_get_heap () != sm->heap);
+
hp = hash_get_pair (sm->directory_vector_by_name, name);
if (!hp)
{
- hash_set (sm->directory_vector_by_name, name, next_vector_index);
+ /* we allocate our private copy of 'name' */
+ hash_set (sm->directory_vector_by_name, format (0, "%s%c", name, 0),
+ next_vector_index);
index = next_vector_index;
}
else
cm->stat_segment_name ? cm->stat_segment_name : cm->name;
u32 next_vector_index = vec_len (sm->directory_vector);
clib_mem_set_heap (oldheap); /* Exit stats segment */
- u32 vector_index = lookup_or_create_hash_index (oldheap, stat_segment_name,
+ u32 vector_index = lookup_or_create_hash_index ((u8 *) stat_segment_name,
next_vector_index);
/* Back to stats segment */
clib_mem_set_heap (sm->heap); /* Re-enter stat segment */
}
void
-vlib_stats_register_error_index (u8 * name, u64 * em_vec, u64 index)
+vlib_stats_register_error_index (void *oldheap, u8 * name, u64 * em_vec,
+ u64 index)
{
stat_segment_main_t *sm = &stat_segment_main;
stat_segment_shared_header_t *shared_header = sm->shared_header;
ASSERT (shared_header);
vlib_stat_segment_lock ();
+ u32 next_vector_index = vec_len (sm->directory_vector);
+ clib_mem_set_heap (oldheap); /* Exit stats segment */
- memcpy (e.name, name, vec_len (name));
- 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);
+ u32 vector_index = lookup_or_create_hash_index (name,
+ next_vector_index);
- /* Warn clients to refresh any pointers they might be holding */
- shared_header->directory_offset =
- stat_segment_offset (shared_header, sm->directory_vector);
+ /* Back to stats segment */
+ clib_mem_set_heap (sm->heap); /* Re-enter stat segment */
+
+ if (next_vector_index == vector_index)
+ {
+ memcpy (e.name, name, vec_len (name));
+ 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 */
+ shared_header->directory_offset =
+ stat_segment_offset (shared_header, sm->directory_vector);
+ }
vlib_stat_segment_unlock ();
}
ep->offset_vector = stat_segment_offset (shared_header, offset_vector);
}
+always_inline void
+stat_set_simple_counter (stat_segment_directory_entry_t * ep,
+ u32 thread_index, u32 index, u64 value)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+ stat_segment_shared_header_t *shared_header = sm->shared_header;
+
+ ASSERT (shared_header);
+ counter_t *offset_vector =
+ stat_segment_pointer (sm->shared_header, ep->offset_vector);
+ counter_t *cb =
+ stat_segment_pointer (sm->shared_header, offset_vector[thread_index]);
+ cb[index] = value;
+}
+
void
vlib_stats_pop_heap2 (u64 * error_vector, u32 thread_index, void *oldheap,
int lock)
sm->directory_vector_by_name = hash_create_string (0, sizeof (uword));
sm->shared_header = shared_header = memaddr;
+
+ shared_header->version = STAT_SEGMENT_VERSION;
+
sm->stat_segment_lockp = clib_mem_alloc (sizeof (clib_spinlock_t));
clib_spinlock_init (sm->stat_segment_lockp);
clib_mem_set_heap (oldheap);
+ /* Total shared memory size */
+ clib_mem_usage_t usage;
+ mheap_usage (sm->heap, &usage);
+ sm->directory_vector[STAT_COUNTER_MEM_STATSEG_TOTAL].value =
+ usage.bytes_total;
+
return 0;
}
type_name = "ErrIndex";
break;
+ case STAT_DIR_TYPE_NAME_VECTOR:
+ type_name = "NameVector";
+ break;
+
default:
type_name = "illegal!";
break;
vlib_stat_segment_lock ();
stat_validate_counter_vector (&sm->directory_vector
- [STAT_COUNTER_NODE_CLOCKS], l);
+ [STAT_COUNTER_NODE_CLOCKS], l - 1);
stat_validate_counter_vector (&sm->directory_vector
- [STAT_COUNTER_NODE_VECTORS], l);
+ [STAT_COUNTER_NODE_VECTORS], l - 1);
stat_validate_counter_vector (&sm->directory_vector
- [STAT_COUNTER_NODE_CALLS], l);
+ [STAT_COUNTER_NODE_CALLS], l - 1);
stat_validate_counter_vector (&sm->directory_vector
- [STAT_COUNTER_NODE_SUSPENDS], l);
+ [STAT_COUNTER_NODE_SUSPENDS], l - 1);
vec_validate (sm->nodes, l - 1);
stat_segment_directory_entry_t *ep;
c[n->index] =
n->stats_total.suspends - n->stats_last_clear.suspends;
}
+ vec_free (node_dups[j]);
}
+ vec_free (node_dups);
+ vec_free (stat_vms);
}
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;
f64 dt, now;
vlib_main_t *this_vlib_main;
- int i, start;
- counter_t **counters;
+ int i;
static int num_worker_threads_set;
/*
*/
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;
+ void *oldheap = clib_mem_set_heap (sm->heap);
+ vlib_stat_segment_lock ();
stat_validate_counter_vector (&sm->directory_vector
- [STAT_COUNTER_VECTOR_RATE_PER_WORKER],
- vec_len (vlib_mains));
+ [STAT_COUNTER_VECTOR_RATE_PER_WORKER], 0);
num_worker_threads_set = 1;
+ vlib_stat_segment_unlock ();
+ clib_mem_set_heap (oldheap);
}
/*
*/
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++)
+ for (i = 0; i < vec_len (vlib_mains); i++)
{
f64 this_vector_rate;
this_vlib_main = vlib_mains[i];
- this_vector_rate = vlib_last_vector_length_per_node (this_vlib_main);
+ this_vector_rate = vlib_internal_node_vector_rate (this_vlib_main);
+ vlib_clear_internal_node_vector_rate (this_vlib_main);
+
vector_rate += this_vector_rate;
/* Set the per-worker rate */
- counters[i - start][0] = this_vector_rate;
+ stat_set_simple_counter (&sm->directory_vector
+ [STAT_COUNTER_VECTOR_RATE_PER_WORKER], i, 0,
+ this_vector_rate);
}
/* And set the system average rate */
- vector_rate /= (f64) (i - start);
+ vector_rate /= (f64) (i > 1 ? i - 1 : 1);
sm->directory_vector[STAT_COUNTER_VECTOR_RATE].value = vector_rate;
sm->directory_vector[STAT_COUNTER_LAST_STATS_CLEAR].value =
vm->node_main.time_last_runtime_stats_clear;
+ /* Stats segment memory heap counter */
+ clib_mem_usage_t usage;
+ mheap_usage (sm->heap, &usage);
+ sm->directory_vector[STAT_COUNTER_MEM_STATSEG_USED].value =
+ usage.bytes_used;
+
if (sm->node_counters_enabled)
update_node_counters (sm);
VLIB_MAIN_LOOP_EXIT_FUNCTION (stats_segment_socket_exit);
+/* Overrides weak reference in vlib:node_cli.c */
+f64
+vlib_get_stat_segment_update_rate (void)
+{
+ return stat_segment_main.update_interval;
+}
+
static uword
stat_segment_collector_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
vlib_frame_t * f)
{
stat_segment_main_t *sm = &stat_segment_main;
- /* Wait for Godot... */
- f64 sleep_duration = 10;
-
while (1)
{
do_stat_segment_updates (sm);
- vlib_process_suspend (vm, sleep_duration);
+ vlib_process_suspend (vm, sm->update_interval);
}
return 0; /* or not */
}
};
/* *INDENT-ON* */
-
clib_error_t *
stat_segment_register_gauge (u8 * name, stat_segment_update_fn update_fn,
u32 caller_index)
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);
+ u32 next_vector_index = vec_len (sm->directory_vector);
+ u32 vector_index = lookup_or_create_hash_index (name,
+ next_vector_index);
+
+ if (vector_index < next_vector_index) /* Already registered */
+ return clib_error_return (0, "%v is alreadty registered", name);
+
oldheap = vlib_stats_push_heap (NULL);
vlib_stat_segment_lock ();
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 =
pool_get (sm->gauges, gauge);
gauge->fn = update_fn;
gauge->caller_index = caller_index;
- gauge->directory_index = index;
+ gauge->directory_index = next_vector_index;
return NULL;
}
+clib_error_t *
+stat_segment_register_state_counter (u8 * name, u32 * 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;
+
+ ASSERT (shared_header);
+ ASSERT (vlib_get_thread_index () == 0);
+
+ u32 next_vector_index = vec_len (sm->directory_vector);
+ u32 vector_index = lookup_or_create_hash_index (name,
+ next_vector_index);
+
+ if (vector_index < next_vector_index) /* Already registered */
+ return clib_error_return (0, "%v is already registered", name);
+
+ 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));
+ 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);
+
+ *index = next_vector_index;
+ return 0;
+}
+
+clib_error_t *
+stat_segment_deregister_state_counter (u32 index)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+ stat_segment_shared_header_t *shared_header = sm->shared_header;
+ stat_segment_directory_entry_t *e;
+
+ ASSERT (shared_header);
+
+ if (index > vec_len (sm->directory_vector))
+ return clib_error_return (0, "%u index does not exist", index);
+
+ e = &sm->directory_vector[index];
+ if (e->type != STAT_DIR_TYPE_SCALAR_INDEX)
+ return clib_error_return (0, "%u index cannot be deleted", index);
+
+ hash_unset (sm->directory_vector_by_name, &e->name);
+ vec_del1 (sm->directory_vector, index);
+ return 0;
+}
+
+void
+stat_segment_set_state_counter (u32 index, u64 value)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+
+ ASSERT (index < vec_len (sm->directory_vector));
+ sm->directory_vector[index].index = value;
+}
+
static clib_error_t *
statseg_config (vlib_main_t * vm, unformat_input_t * input)
{
stat_segment_main_t *sm = &stat_segment_main;
+ sm->update_interval = 10.0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
sm->node_counters_enabled = 1;
else if (unformat (input, "per-node-counters off"))
sm->node_counters_enabled = 0;
+ else if (unformat (input, "update-interval %f", &sm->update_interval))
+ ;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
return 0;
}
+VLIB_EARLY_CONFIG_FUNCTION (statseg_config, "statseg");
+
static clib_error_t *
statseg_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
{
return 0;
}
-VLIB_EARLY_CONFIG_FUNCTION (statseg_config, "statseg");
VNET_SW_INTERFACE_ADD_DEL_FUNCTION (statseg_sw_interface_add_del);
/* *INDENT-OFF* */
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