1 /* SPDX-License-Identifier: Apache-2.0
2 * Copyright(c) 2022 Cisco Systems, Inc.
6 #include <vlib/unix/unix.h>
7 #include <vlib/stats/stats.h>
9 static clib_mem_heap_t **memory_heaps_vec;
23 * Called from the stats periodic process to update memory counters.
26 stat_provider_mem_usage_update_fn (vlib_stats_collector_data_t *d)
28 clib_mem_usage_t usage;
29 clib_mem_heap_t *heap;
30 counter_t **counters = d->entry->data;
33 heap = vec_elt (memory_heaps_vec, d->private_data);
34 clib_mem_get_heap_usage (heap, &usage);
36 cb[STAT_MEM_TOTAL] = usage.bytes_total;
37 cb[STAT_MEM_USED] = usage.bytes_used;
38 cb[STAT_MEM_FREE] = usage.bytes_free;
39 cb[STAT_MEM_USED_MMAP] = usage.bytes_used_mmap;
40 cb[STAT_MEM_TOTAL_ALLOC] = usage.bytes_max;
41 cb[STAT_MEM_FREE_CHUNKS] = usage.bytes_free_reclaimed;
42 cb[STAT_MEM_RELEASABLE] = usage.bytes_overhead;
46 * Provide memory heap counters.
47 * Two dimensional array of heap index and per-heap gauges.
50 vlib_stats_register_mem_heap (clib_mem_heap_t *heap)
52 vlib_stats_collector_reg_t r = {};
55 vec_add1 (memory_heaps_vec, heap);
57 r.entry_index = idx = vlib_stats_add_counter_vector ("/mem/%s", heap->name);
58 vlib_stats_validate (idx, 0, STAT_MEM_RELEASABLE);
61 vlib_stats_add_symlink (idx, STAT_MEM_USED, "/mem/%s/used", heap->name);
62 vlib_stats_add_symlink (idx, STAT_MEM_TOTAL, "/mem/%s/total", heap->name);
63 vlib_stats_add_symlink (idx, STAT_MEM_FREE, "/mem/%s/free", heap->name);
65 r.private_data = vec_len (memory_heaps_vec) - 1;
66 r.collect_fn = stat_provider_mem_usage_update_fn;
67 vlib_stats_register_collector_fn (&r);