-
-/*
- * Parse /sys/devices/system/cpu to get the number of physical and logical
- * processors on the machine. The function will fill the cpu_info
- * structure.
- */
-int
-rte_eal_cpu_init(void)
-{
- /* pointer to global configuration */
- struct rte_config *config = rte_eal_get_configuration();
- unsigned lcore_id;
- unsigned count = 0;
-
- /* disable lcores that were not detected */
- RTE_LCORE_FOREACH(lcore_id) {
-
- lcore_config[lcore_id].detected = cpu_detected(lcore_id);
- if (lcore_config[lcore_id].detected == 0) {
- RTE_LOG(DEBUG, EAL, "Skip lcore %u (not detected)\n", lcore_id);
- config->lcore_role[lcore_id] = ROLE_OFF;
- continue;
- }
- lcore_config[lcore_id].core_id = cpu_core_id(lcore_id);
- lcore_config[lcore_id].socket_id = cpu_socket_id(lcore_id);
- if (lcore_config[lcore_id].socket_id >= RTE_MAX_NUMA_NODES)
-#ifdef CONFIG_RTE_EAL_ALLOW_INV_SOCKET_ID
- lcore_config[lcore_id].socket_id = 0;
-#else
- rte_panic("Socket ID (%u) is greater than "
- "RTE_MAX_NUMA_NODES (%d)\n",
- lcore_config[lcore_id].socket_id, RTE_MAX_NUMA_NODES);
-#endif
- RTE_LOG(DEBUG, EAL, "Detected lcore %u as core %u on socket %u\n",
- lcore_id,
- lcore_config[lcore_id].core_id,
- lcore_config[lcore_id].socket_id);
- count ++;
- }
-
- config->lcore_count = count;
-
- return 0;
-}