#include <rte_eal_paging.h>
#include <rte_errno.h>
#include <rte_log.h>
+#ifndef RTE_EXEC_ENV_WINDOWS
+#include <rte_telemetry.h>
+#endif
#include "eal_memalloc.h"
#include "eal_private.h"
rte_mcfg_mem_read_unlock();
return -1;
}
+
+#ifndef RTE_EXEC_ENV_WINDOWS
+#define EAL_MEMZONE_LIST_REQ "/eal/memzone_list"
+#define EAL_MEMZONE_INFO_REQ "/eal/memzone_info"
+#define EAL_HEAP_LIST_REQ "/eal/heap_list"
+#define EAL_HEAP_INFO_REQ "/eal/heap_info"
+#define ADDR_STR 15
+
+/* Telemetry callback handler to return heap stats for requested heap id. */
+static int
+handle_eal_heap_info_request(const char *cmd __rte_unused, const char *params,
+ struct rte_tel_data *d)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ struct rte_malloc_socket_stats sock_stats;
+ struct malloc_heap *heap;
+ unsigned int heap_id;
+
+ if (params == NULL || strlen(params) == 0)
+ return -1;
+
+ heap_id = (unsigned int)strtoul(params, NULL, 10);
+
+ /* Get the heap stats of user provided heap id */
+ heap = &mcfg->malloc_heaps[heap_id];
+ malloc_heap_get_stats(heap, &sock_stats);
+
+ rte_tel_data_start_dict(d);
+ rte_tel_data_add_dict_int(d, "Head id", heap_id);
+ rte_tel_data_add_dict_string(d, "Name", heap->name);
+ rte_tel_data_add_dict_u64(d, "Heap_size",
+ sock_stats.heap_totalsz_bytes);
+ rte_tel_data_add_dict_u64(d, "Free_size", sock_stats.heap_freesz_bytes);
+ rte_tel_data_add_dict_u64(d, "Alloc_size",
+ sock_stats.heap_allocsz_bytes);
+ rte_tel_data_add_dict_u64(d, "Greatest_free_size",
+ sock_stats.greatest_free_size);
+ rte_tel_data_add_dict_u64(d, "Alloc_count", sock_stats.alloc_count);
+ rte_tel_data_add_dict_u64(d, "Free_count", sock_stats.free_count);
+
+ return 0;
+}
+
+/* Telemetry callback handler to list the heap ids setup. */
+static int
+handle_eal_heap_list_request(const char *cmd __rte_unused,
+ const char *params __rte_unused,
+ struct rte_tel_data *d)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ struct rte_malloc_socket_stats sock_stats;
+ unsigned int heap_id;
+
+ rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
+ /* Iterate through all initialised heaps */
+ for (heap_id = 0; heap_id < RTE_MAX_HEAPS; heap_id++) {
+ struct malloc_heap *heap = &mcfg->malloc_heaps[heap_id];
+
+ malloc_heap_get_stats(heap, &sock_stats);
+ if (sock_stats.heap_totalsz_bytes != 0)
+ rte_tel_data_add_array_int(d, heap_id);
+ }
+
+ return 0;
+}
+
+/* Telemetry callback handler to return memzone info for requested index. */
+static int
+handle_eal_memzone_info_request(const char *cmd __rte_unused,
+ const char *params, struct rte_tel_data *d)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ struct rte_memseg_list *msl = NULL;
+ int ms_idx, ms_count = 0;
+ void *cur_addr, *mz_end;
+ struct rte_memzone *mz;
+ struct rte_memseg *ms;
+ char addr[ADDR_STR];
+ unsigned int mz_idx;
+ size_t page_sz;
+
+ if (params == NULL || strlen(params) == 0)
+ return -1;
+
+ mz_idx = strtoul(params, NULL, 10);
+
+ /* Get the memzone handle using index */
+ mz = rte_fbarray_get(&mcfg->memzones, mz_idx);
+
+ rte_tel_data_start_dict(d);
+ rte_tel_data_add_dict_int(d, "Zone", mz_idx);
+ rte_tel_data_add_dict_string(d, "Name", mz->name);
+ rte_tel_data_add_dict_int(d, "Length", mz->len);
+ snprintf(addr, ADDR_STR, "%p", mz->addr);
+ rte_tel_data_add_dict_string(d, "Address", addr);
+ rte_tel_data_add_dict_int(d, "Socket", mz->socket_id);
+ rte_tel_data_add_dict_int(d, "Flags", mz->flags);
+
+ /* go through each page occupied by this memzone */
+ msl = rte_mem_virt2memseg_list(mz->addr);
+ if (!msl) {
+ RTE_LOG(DEBUG, EAL, "Skipping bad memzone\n");
+ return -1;
+ }
+ page_sz = (size_t)mz->hugepage_sz;
+ cur_addr = RTE_PTR_ALIGN_FLOOR(mz->addr, page_sz);
+ mz_end = RTE_PTR_ADD(cur_addr, mz->len);
+
+ ms_idx = RTE_PTR_DIFF(mz->addr, msl->base_va) / page_sz;
+ ms = rte_fbarray_get(&msl->memseg_arr, ms_idx);
+
+ rte_tel_data_add_dict_int(d, "Hugepage_size", page_sz);
+ snprintf(addr, ADDR_STR, "%p", ms->addr);
+ rte_tel_data_add_dict_string(d, "Hugepage_base", addr);
+
+ do {
+ /* advance VA to next page */
+ cur_addr = RTE_PTR_ADD(cur_addr, page_sz);
+
+ /* memzones occupy contiguous segments */
+ ++ms;
+ ms_count++;
+ } while (cur_addr < mz_end);
+
+ rte_tel_data_add_dict_int(d, "Hugepage_used", ms_count);
+
+ return 0;
+}
+
+static void
+memzone_list_cb(const struct rte_memzone *mz __rte_unused,
+ void *arg __rte_unused)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ struct rte_tel_data *d = arg;
+ int mz_idx;
+
+ mz_idx = rte_fbarray_find_idx(&mcfg->memzones, mz);
+ rte_tel_data_add_array_int(d, mz_idx);
+}
+
+
+/* Telemetry callback handler to list the memzones reserved. */
+static int
+handle_eal_memzone_list_request(const char *cmd __rte_unused,
+ const char *params __rte_unused,
+ struct rte_tel_data *d)
+{
+ rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
+ rte_memzone_walk(memzone_list_cb, d);
+
+ return 0;
+}
+
+RTE_INIT(memory_telemetry)
+{
+ rte_telemetry_register_cmd(
+ EAL_MEMZONE_LIST_REQ, handle_eal_memzone_list_request,
+ "List of memzone index reserved. Takes no parameters");
+ rte_telemetry_register_cmd(
+ EAL_MEMZONE_INFO_REQ, handle_eal_memzone_info_request,
+ "Returns memzone info. Parameters: int mz_id");
+ rte_telemetry_register_cmd(
+ EAL_HEAP_LIST_REQ, handle_eal_heap_list_request,
+ "List of heap index setup. Takes no parameters");
+ rte_telemetry_register_cmd(
+ EAL_HEAP_INFO_REQ, handle_eal_heap_info_request,
+ "Returns malloc heap stats. Parameters: int heap_id");
+}
+#endif