From 8973b07eecbbfe23a5267975f8052a5c6339c756 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Tue, 1 Mar 2022 15:51:18 +0100 Subject: stats: refactor Type: refactor Change-Id: Ifd533a095d979dc55bfbe5fac7e0b7510a4d900c Signed-off-by: Damjan Marion --- src/vlib/stats/provider_mem.c | 68 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 src/vlib/stats/provider_mem.c (limited to 'src/vlib/stats/provider_mem.c') diff --git a/src/vlib/stats/provider_mem.c b/src/vlib/stats/provider_mem.c new file mode 100644 index 00000000000..d52ea4aa0e5 --- /dev/null +++ b/src/vlib/stats/provider_mem.c @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: Apache-2.0 + * Copyright(c) 2022 Cisco Systems, Inc. + */ + +#include +#include +#include + +static clib_mem_heap_t **memory_heaps_vec; + +enum +{ + STAT_MEM_TOTAL = 0, + STAT_MEM_USED, + STAT_MEM_FREE, + STAT_MEM_USED_MMAP, + STAT_MEM_TOTAL_ALLOC, + STAT_MEM_FREE_CHUNKS, + STAT_MEM_RELEASABLE, +} stat_mem_usage_e; + +/* + * Called from the stats periodic process to update memory counters. + */ +static void +stat_provider_mem_usage_update_fn (vlib_stats_collector_data_t *d) +{ + clib_mem_usage_t usage; + clib_mem_heap_t *heap; + counter_t **counters = d->entry->data; + counter_t *cb; + + heap = vec_elt (memory_heaps_vec, d->private_data); + clib_mem_get_heap_usage (heap, &usage); + cb = counters[0]; + cb[STAT_MEM_TOTAL] = usage.bytes_total; + cb[STAT_MEM_USED] = usage.bytes_used; + cb[STAT_MEM_FREE] = usage.bytes_free; + cb[STAT_MEM_USED_MMAP] = usage.bytes_used_mmap; + cb[STAT_MEM_TOTAL_ALLOC] = usage.bytes_max; + cb[STAT_MEM_FREE_CHUNKS] = usage.bytes_free_reclaimed; + cb[STAT_MEM_RELEASABLE] = usage.bytes_overhead; +} + +/* + * Provide memory heap counters. + * Two dimensional array of heap index and per-heap gauges. + */ +void +vlib_stats_register_mem_heap (clib_mem_heap_t *heap) +{ + vlib_stats_collector_reg_t r = {}; + u32 idx; + + vec_add1 (memory_heaps_vec, heap); + + r.entry_index = idx = vlib_stats_add_counter_vector ("/mem/%s", heap->name); + vlib_stats_validate_counter_vector (idx, STAT_MEM_RELEASABLE); + + /* Create symlink */ + vlib_stats_add_symlink (idx, STAT_MEM_TOTAL, "/mem/%s/used", heap->name); + vlib_stats_add_symlink (idx, STAT_MEM_USED, "/mem/%s/total", heap->name); + vlib_stats_add_symlink (idx, STAT_MEM_FREE, "/mem/%s/free", heap->name); + + r.private_data = vec_len (memory_heaps_vec) - 1; + r.collect_fn = stat_provider_mem_usage_update_fn; + vlib_stats_register_collector_fn (&r); +} -- cgit 1.2.3-korg