#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;
vlib_simple_counter_main_t *cm = (vlib_simple_counter_main_t *) cm_arg;
stat_segment_main_t *sm = &stat_segment_main;
stat_segment_directory_entry_t *e;
- stat_segment_shared_header_t *shared_header = sm->shared_header;
/* Not all counters have names / hash-table entries */
if (!cm->name && !cm->stat_segment_name)
e = &sm->directory_vector[index];
hash_unset (sm->directory_vector_by_name, &e->name);
- u64 *offset_vector = stat_segment_pointer (shared_header, e->offset_vector);
-
void *oldheap = clib_mem_set_heap (sm->heap); /* Enter stats segment */
- vec_free (offset_vector);
clib_mem_set_heap (oldheap); /* Exit stats segment */
memset (e, 0, sizeof (*e));
}
stat_segment_directory_entry_t *ep = &sm->directory_vector[vector_index];
- ep->offset = stat_segment_offset (shared_header, cm->counters); /* Vector of threads of vectors of counters */
- u64 *offset_vector =
- ep->offset_vector ? stat_segment_pointer (shared_header,
- ep->offset_vector) : 0;
-
- /* Update the 2nd dimension offset vector */
- int i;
- vec_validate (offset_vector, vec_len (cm->counters) - 1);
-
- 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);
+ ep->data = cm->counters;
/* Reset the client hash table pointer, since it WILL change! */
- shared_header->directory_offset =
- stat_segment_offset (shared_header, sm->directory_vector);
+ shared_header->directory_vector = sm->directory_vector;
vlib_stat_segment_unlock ();
clib_mem_set_heap (oldheap);
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;
+ e.index = index;
vector_index = vlib_stats_create_counter (&e, oldheap);
/* Warn clients to refresh any pointers they might be holding */
- shared_header->directory_offset =
- stat_segment_offset (shared_header, sm->directory_vector);
+ shared_header->directory_vector = sm->directory_vector;
}
vlib_stat_segment_unlock ();
static void
stat_validate_counter_vector (stat_segment_directory_entry_t * ep, u32 max)
{
- stat_segment_main_t *sm = &stat_segment_main;
- stat_segment_shared_header_t *shared_header = sm->shared_header;
- counter_t **counters = 0;
+ counter_t **counters = ep->data;
vlib_thread_main_t *tm = vlib_get_thread_main ();
int i;
- u64 *offset_vector = 0;
vec_validate_aligned (counters, tm->n_vlib_mains - 1,
CLIB_CACHE_LINE_BYTES);
for (i = 0; i < tm->n_vlib_mains; i++)
- {
- vec_validate_aligned (counters[i], max, CLIB_CACHE_LINE_BYTES);
- vec_add1 (offset_vector,
- stat_segment_offset (shared_header, counters[i]));
- }
- ep->offset = stat_segment_offset (shared_header, counters);
- ep->offset_vector = stat_segment_offset (shared_header, offset_vector);
+ vec_validate_aligned (counters[i], max, CLIB_CACHE_LINE_BYTES);
+
+ ep->data = counters;
}
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]);
+ ASSERT (ep->data);
+ counter_t **counters = ep->data;
+ counter_t *cb = counters[thread_index];
cb[index] = value;
}
/* Reset the client hash table pointer, since it WILL change! */
vec_validate (sm->error_vector, thread_index);
- sm->error_vector[thread_index] =
- stat_segment_offset (shared_header, error_vector);
+ sm->error_vector[thread_index] = error_vector;
- shared_header->error_offset =
- stat_segment_offset (shared_header, sm->error_vector);
- shared_header->directory_offset =
- stat_segment_offset (shared_header, sm->directory_vector);
+ shared_header->error_vector = sm->error_vector;
+ shared_header->directory_vector = sm->directory_vector;
if (lock)
vlib_stat_segment_unlock ();
stat_segment_main_t *sm = &stat_segment_main;
stat_segment_shared_header_t *shared_header;
void *oldheap;
- ssize_t memory_size;
+ uword memory_size, sys_page_sz;
int mfd;
- char *mem_name = "stat_segment_test";
- void *memaddr;
+ char *mem_name = "stat segment";
+ void *heap, *memaddr;
memory_size = sm->memory_size;
if (memory_size == 0)
memory_size = STAT_SEGMENT_DEFAULT_SIZE;
- /* Create shared memory segment */
- if ((mfd = memfd_create (mem_name, 0)) < 0)
- return clib_error_return (0, "stat segment memfd_create failure");
+ if (sm->log2_page_sz == CLIB_MEM_PAGE_SZ_UNKNOWN)
+ sm->log2_page_sz = CLIB_MEM_PAGE_SZ_DEFAULT;
+
+ mfd = clib_mem_vm_create_fd (sm->log2_page_sz, mem_name);
+ if (mfd == -1)
+ return clib_error_return (0, "stat segment memory fd failure: %U",
+ format_clib_error, clib_mem_get_last_error ());
/* Set size */
if ((ftruncate (mfd, memory_size)) == -1)
- return clib_error_return (0, "stat segment ftruncate failure");
+ {
+ close (mfd);
+ return clib_error_return (0, "stat segment ftruncate failure");
+ }
+
+ memaddr = clib_mem_vm_map_shared (0, memory_size, mfd, 0, mem_name);
- if ((memaddr =
- mmap (NULL, memory_size, PROT_READ | PROT_WRITE, MAP_SHARED, mfd,
- 0)) == MAP_FAILED)
+ if (memaddr == CLIB_MEM_VM_MAP_FAILED)
return clib_error_return (0, "stat segment mmap failure");
- void *heap;
- heap =
- create_mspace_with_base (((u8 *) memaddr) + getpagesize (),
- memory_size - getpagesize (), 1 /* locked */ );
- mspace_disable_expand (heap);
+ sys_page_sz = clib_mem_get_page_size ();
+
+ heap = clib_mem_create_heap (((u8 *) memaddr) + sys_page_sz, memory_size
+ - sys_page_sz, 1 /* locked */ ,
+ "stat segment");
sm->heap = heap;
sm->memfd = mfd;
sm->shared_header = shared_header = memaddr;
shared_header->version = STAT_SEGMENT_VERSION;
+ shared_header->base = memaddr;
sm->stat_segment_lockp = clib_mem_alloc (sizeof (clib_spinlock_t));
clib_spinlock_init (sm->stat_segment_lockp);
sm->directory_vector[STAT_COUNTER_##E].type = STAT_DIR_TYPE_##t;
foreach_stat_segment_counter_name
#undef _
- /* Save the vector offset in the shared segment, for clients */
- shared_header->directory_offset =
- stat_segment_offset (shared_header, sm->directory_vector);
+ /* Save the vector in the shared segment, for clients */
+ shared_header->directory_vector = sm->directory_vector;
clib_mem_set_heap (oldheap);
/* Total shared memory size */
clib_mem_usage_t usage;
- mheap_usage (sm->heap, &usage);
+ clib_mem_get_heap_usage (sm->heap, &usage);
sm->directory_vector[STAT_COUNTER_MEM_STATSEG_TOTAL].value =
usage.bytes_total;
break;
}
- return format (s, format_string, ep->name, type_name, ep->offset);
+ return format (s, format_string, ep->name, type_name, 0);
}
static clib_error_t *
if (verbose)
{
ASSERT (sm->heap);
- vlib_cli_output (vm, "%U", format_mheap, sm->heap, 0 /* verbose */ );
+ vlib_cli_output (vm, "%U", format_clib_mem_heap, sm->heap,
+ 0 /* verbose */ );
}
return 0;
vlib_main_t **stat_vms = 0;
vlib_node_t ***node_dups = 0;
int i, j;
- stat_segment_shared_header_t *shared_header = sm->shared_header;
static u32 no_max_nodes = 0;
vlib_node_get_nodes (0 /* vm, for barrier sync */ ,
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);
+ ep->data = 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];
-
+ int i;
for (i = 0; i < vec_len (nodes); i++)
{
vlib_node_t *n = nodes[i];
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;
counter_t *c;
vlib_node_t *n = nodes[i];
- counters =
- stat_segment_pointer (shared_header,
- sm->directory_vector
- [STAT_COUNTER_NODE_CLOCKS].offset);
+ counters = sm->directory_vector[STAT_COUNTER_NODE_CLOCKS].data;
c = counters[j];
c[n->index] = n->stats_total.clocks - n->stats_last_clear.clocks;
- counters =
- stat_segment_pointer (shared_header,
- sm->directory_vector
- [STAT_COUNTER_NODE_VECTORS].offset);
+ counters = sm->directory_vector[STAT_COUNTER_NODE_VECTORS].data;
c = counters[j];
c[n->index] = n->stats_total.vectors - n->stats_last_clear.vectors;
- counters =
- stat_segment_pointer (shared_header,
- sm->directory_vector
- [STAT_COUNTER_NODE_CALLS].offset);
+ counters = sm->directory_vector[STAT_COUNTER_NODE_CALLS].data;
c = counters[j];
c[n->index] = n->stats_total.calls - n->stats_last_clear.calls;
- counters =
- stat_segment_pointer (shared_header,
- sm->directory_vector
- [STAT_COUNTER_NODE_SUSPENDS].offset);
+ counters = sm->directory_vector[STAT_COUNTER_NODE_SUSPENDS].data;
c = counters[j];
c[n->index] =
n->stats_total.suspends - n->stats_last_clear.suspends;
/* Stats segment memory heap counter */
clib_mem_usage_t usage;
- mheap_usage (sm->heap, &usage);
+ clib_mem_get_heap_usage (sm->heap, &usage);
sm->directory_vector[STAT_COUNTER_MEM_STATSEG_USED].value =
usage.bytes_used;
/* *INDENT-OFF* */
stat_segment_gauges_pool_t *g;
- pool_foreach(g, sm->gauges,
- ({
+ 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 */
vlib_stat_segment_lock ();
vector_index = vlib_stats_create_counter (&e, oldheap);
- shared_header->directory_offset =
- stat_segment_offset (shared_header, sm->directory_vector);
+ shared_header->directory_vector = sm->directory_vector;
vlib_stat_segment_unlock ();
clib_mem_set_heap (oldheap);
vector_index = vlib_stats_create_counter (&e, oldheap);
- shared_header->directory_offset =
- stat_segment_offset (shared_header, sm->directory_vector);
+ shared_header->directory_vector = sm->directory_vector;
vlib_stat_segment_unlock ();
clib_mem_set_heap (oldheap);
else if (unformat (input, "size %U",
unformat_memory_size, &sm->memory_size))
;
+ else if (unformat (input, "page-size %U",
+ unformat_log2_page_size, &sm->log2_page_sz))
+ ;
else if (unformat (input, "per-node-counters on"))
sm->node_counters_enabled = 1;
else if (unformat (input, "per-node-counters off"))
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 ();
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);
+ ep->data = sm->interfaces;
vlib_stat_segment_unlock ();
clib_mem_set_heap (oldheap);
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