+++ /dev/null
-/*
- * Copyright (c) 2021 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Counters handled by the stats module directly.
- */
-
-#include <stdbool.h>
-#include <vppinfra/mem.h>
-#include <vppinfra/vec.h>
-#include <vlib/vlib.h>
-#include <vlib/counter.h>
-#include "stat_segment.h"
-
-clib_mem_heap_t **memory_heaps_vec;
-u32 mem_vector_index;
-bool initialized = false;
-
-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 (stat_segment_directory_entry_t *e,
- u32 index)
-{
- clib_mem_usage_t usage;
- clib_mem_heap_t *heap;
- counter_t **counters = e->data;
- counter_t *cb;
-
- heap = vec_elt (memory_heaps_vec, index);
- 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;
-}
-
-static counter_t **
-stat_validate_counter_vector3 (counter_t **counters, u32 max1, u32 max2)
-{
- stat_segment_main_t *sm = &stat_segment_main;
- int i;
- void *oldheap = clib_mem_set_heap (sm->heap);
- vec_validate_aligned (counters, max1, CLIB_CACHE_LINE_BYTES);
- for (i = 0; i <= max1; i++)
- vec_validate_aligned (counters[i], max2, CLIB_CACHE_LINE_BYTES);
- clib_mem_set_heap (oldheap);
- return counters;
-}
-
-/*
- * 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)
-{
- stat_segment_main_t *sm = &stat_segment_main;
- vec_add1 (memory_heaps_vec, heap);
- u32 heap_index = vec_len (memory_heaps_vec) - 1;
-
- /* Memory counters provider */
- u8 *s = format (0, "/mem/%s%c", heap->name, 0);
- u8 *s_used = format (0, "/mem/%s/used%c", heap->name, 0);
- u8 *s_total = format (0, "/mem/%s/total%c", heap->name, 0);
- u8 *s_free = format (0, "/mem/%s/free%c", heap->name, 0);
- mem_vector_index =
- stat_segment_new_entry (s, STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE);
- vec_free (s);
- if (mem_vector_index == ~0)
- ASSERT (0);
-
- vlib_stat_segment_lock ();
- stat_segment_directory_entry_t *ep = &sm->directory_vector[mem_vector_index];
- ep->data = stat_validate_counter_vector3 (ep->data, 0, STAT_MEM_RELEASABLE);
-
- /* Create symlink */
- void *oldheap = clib_mem_set_heap (sm->heap);
- vlib_stats_register_symlink (oldheap, s_total, mem_vector_index,
- STAT_MEM_TOTAL, 0);
- vlib_stats_register_symlink (oldheap, s_used, mem_vector_index,
- STAT_MEM_USED, 0);
- vlib_stats_register_symlink (oldheap, s_free, mem_vector_index,
- STAT_MEM_FREE, 0);
- vlib_stat_segment_unlock ();
- clib_mem_set_heap (oldheap);
- vec_free (s_used);
- vec_free (s_total);
- vec_free (s_free);
-
- stat_segment_poll_add (mem_vector_index, stat_provider_mem_usage_update_fn,
- heap_index, 10);
-}
-
-static void
-stat_provider_vector_rate_per_thread_update_fn (
- stat_segment_directory_entry_t *e, u32 index)
-{
- vlib_main_t *this_vlib_main;
- int i;
- ASSERT (e->data);
- counter_t **counters = e->data;
-
- for (i = 0; i < vlib_get_n_threads (); i++)
- {
-
- f64 this_vector_rate;
-
- this_vlib_main = vlib_get_main_by_index (i);
-
- this_vector_rate = vlib_internal_node_vector_rate (this_vlib_main);
- vlib_clear_internal_node_vector_rate (this_vlib_main);
- /* Set the per-worker rate */
- counter_t *cb = counters[i];
- cb[0] = this_vector_rate;
- }
-}
-
-static void
-stat_provider_vector_rate_update_fn (stat_segment_directory_entry_t *e,
- u32 index)
-{
- vlib_main_t *this_vlib_main;
- int i;
- f64 vector_rate = 0.0;
- for (i = 0; i < vlib_get_n_threads (); i++)
- {
-
- f64 this_vector_rate;
-
- this_vlib_main = vlib_get_main_by_index (i);
-
- 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;
- }
-
- /* And set the system average rate */
- vector_rate /= (f64) (i > 1 ? i - 1 : 1);
- e->value = vector_rate;
-}
-
-void
-stat_provider_register_vector_rate (u32 num_workers)
-{
- int i;
-
- u8 *s = format (0, "/sys/vector_rate%c", 0);
-
- i = stat_segment_new_entry (s, STAT_DIR_TYPE_SCALAR_INDEX);
- if (i == ~0)
- ASSERT (0);
- vec_free (s);
- stat_segment_poll_add (i, stat_provider_vector_rate_update_fn, ~0, 10);
-
- s = format (0, "/sys/vector_rate_per_worker%c", 0);
- i = stat_segment_new_entry (s, STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE);
- if (i == ~0)
- ASSERT (0);
- vec_free (s);
- stat_segment_poll_add (i, stat_provider_vector_rate_per_thread_update_fn, ~0,
- 10);
-
- stat_segment_main_t *sm = &stat_segment_main;
- vlib_stat_segment_lock ();
- stat_segment_directory_entry_t *ep = &sm->directory_vector[i];
- ep->data = stat_validate_counter_vector3 (ep->data, num_workers, 0);
- vlib_stat_segment_unlock ();
-}
Code Review / vpp.git / blobdiff