#include <stdio.h> #include <string.h> #include <stdint.h> #include <errno.h> #include <sys/queue.h> #include <rte_memory.h> #include <rte_launch.h> #include <rte_eal.h> #include <rte_per_lcore.h> #include <rte_lcore.h> #include <rte_debug.h> //#include <rte_memzone.h> //#include <rte_malloc.h> #include <unistd.h> //#include "eal_private.h" struct node { int a; int b; }; int main(int argc, char **argv) { int num = 0; if (argc > 1) { num = atoi(argv[1]); } printf("socket id %d ", num); int *arr; int ret; struct node *nodes; ret = rte_eal_init(argc, argv); if (ret < 0) rte_panic("Cannot init EAL "); arr = rte_malloc("arr", sizeof(int) * 1024, 0); if (arr == NULL) rte_exit(EXIT_FAILURE, "Cannot malloc memory "); printf("arr addr %llx ",(long long) arr); arr[0] = 1000; rte_free(arr); /* nodes = rte_malloc_socket(NULL, sizeof(struct node) * 2, 0, num); nodes = rte_malloc(NULL, sizeof(*nodes), 0); if (NULL == nodes) rte_exit(EXIT_FAILURE, "Cannot malloc memory "); printf("nodes addr %llx ",(long long) nodes); FILE * fp = fopen ("rte_malloc.txt", "w+"); rte_malloc_dump_heaps(fp); fclose(fp); nodes[0].a = 18 ; nodes[0].b = 24 ; printf("start to free "); rte_free(nodes); */ getchar(); return 0; }
[root@localhost memzone]# make clean all CC main.o /data1/dpdk-19.11/demo/memzone/main.c: In function ‘main’: /data1/dpdk-19.11/demo/memzone/main.c:41:9: warning: implicit declaration of function ‘rte_malloc’ [-Wimplicit-function-declaration] arr = rte_malloc("arr", sizeof(int) * 1024, 0); ^ /data1/dpdk-19.11/demo/memzone/main.c:41:9: warning: nested extern declaration of ‘rte_malloc’ [-Wnested-externs] /data1/dpdk-19.11/demo/memzone/main.c:41:13: warning: assignment makes pointer from integer without a cast [enabled by default] arr = rte_malloc("arr", sizeof(int) * 1024, 0); ^ /data1/dpdk-19.11/demo/memzone/main.c:46:9: warning: implicit declaration of function ‘rte_free’ [-Wimplicit-function-declaration] rte_free(arr); ^ /data1/dpdk-19.11/demo/memzone/main.c:46:9: warning: nested extern declaration of ‘rte_free’ [-Wnested-externs] /data1/dpdk-19.11/demo/memzone/main.c:37:22: warning: unused variable ‘nodes’ [-Wunused-variable] struct node *nodes; ^ /data1/dpdk-19.11/demo/memzone/main.c: At top level: cc1: warning: unrecognized command line option "-Wno-address-of-packed-member" [enabled by default] LD TestMalloc INSTALL-APP TestMalloc INSTALL-MAP TestMalloc.map [root@localhost memzone]# build/app/TestMalloc 3 -c 0xff socket id 3 EAL: Detected 128 lcore(s) EAL: Detected 4 NUMA nodes EAL: Multi-process socket /var/run/dpdk/rte/mp_socket EAL: Selected IOVA mode 'PA' EAL: No available hugepages reported in hugepages-2048kB EAL: Probing VFIO support... EAL: VFIO support initialized EAL: PCI device 0000:05:00.0 on NUMA socket 0 EAL: probe driver: 19e5:200 net_hinic EAL: using IOMMU type 1 (Type 1) net_hinic: Initializing pf hinic-0000:05:00.0 in primary process net_hinic: Device 0000:05:00.0 hwif attribute: net_hinic: func_idx:0, p2p_idx:0, pciintf_idx:0, vf_in_pf:0, ppf_idx:0, global_vf_id:15, func_type:2 net_hinic: num_aeqs:4, num_ceqs:4, num_irqs:32, dma_attr:2 net_hinic: Get public resource capability: net_hinic: host_id: 0x0, ep_id: 0x0, intr_type: 0x0, max_cos_id: 0x7, er_id: 0x0, port_id: 0x0 net_hinic: host_total_function: 0xf2, host_oq_id_mask_val: 0x8, max_vf: 0x78 net_hinic: pf_num: 0x2, pf_id_start: 0x0, vf_num: 0xf0, vf_id_start: 0x10 net_hinic: Get share resource capability: net_hinic: host_pctxs: 0x0, host_cctxs: 0x0, host_scqs: 0x0, host_srqs: 0x0, host_mpts: 0x0 net_hinic: Get l2nic resource capability: net_hinic: max_sqs: 0x10, max_rqs: 0x10, vf_max_sqs: 0x4, vf_max_rqs: 0x4 net_hinic: Initialize 0000:05:00.0 in primary successfully EAL: PCI device 0000:06:00.0 on NUMA socket 0 EAL: probe driver: 19e5:200 net_hinic EAL: PCI device 0000:7d:00.0 on NUMA socket 0 EAL: probe driver: 19e5:a222 net_hns3 EAL: PCI device 0000:7d:00.1 on NUMA socket 0 EAL: probe driver: 19e5:a221 net_hns3 EAL: PCI device 0000:7d:00.2 on NUMA socket 0 EAL: probe driver: 19e5:a222 net_hns3 EAL: PCI device 0000:7d:00.3 on NUMA socket 0 EAL: probe driver: 19e5:a221 net_hns3 arr addr 3febb800 Segmentation fault
#include <stdio.h> #include <string.h> #include <stdint.h> #include <errno.h> #include <sys/queue.h> #include <rte_memory.h> #include <rte_launch.h> #include <rte_eal.h> #include <rte_per_lcore.h> #include <rte_lcore.h> #include <rte_debug.h> //#include <rte_memzone.h> #include <rte_malloc.h> #include <unistd.h> //#include "eal_private.h" struct node { int a; int b; }; int main(int argc, char **argv) { int num = 0; if (argc > 1) { num = atoi(argv[1]); } printf("socket id %d ", num); int *arr; int ret; struct node *nodes; ret = rte_eal_init(argc, argv); if (ret < 0) rte_panic("Cannot init EAL "); arr = rte_malloc("arr", sizeof(int) * 1024, 0); if (arr == NULL) rte_exit(EXIT_FAILURE, "Cannot malloc memory "); printf("arr addr %llx ",(long long) arr); arr[0] = 1000; rte_free(arr); /* nodes = rte_malloc_socket(NULL, sizeof(struct node) * 2, 0, num); nodes = rte_malloc(NULL, sizeof(*nodes), 0); if (NULL == nodes) rte_exit(EXIT_FAILURE, "Cannot malloc memory "); printf("nodes addr %llx ",(long long) nodes); FILE * fp = fopen ("rte_malloc.txt", "w+"); rte_malloc_dump_heaps(fp); fclose(fp); nodes[0].a = 18 ; nodes[0].b = 24 ; printf("start to free "); rte_free(nodes); */ getchar(); return 0; }
[root@localhost memzone]# make clean all CC main.o /data1/dpdk-19.11/demo/memzone/main.c: In function ‘main’: /data1/dpdk-19.11/demo/memzone/main.c:37:22: warning: unused variable ‘nodes’ [-Wunused-variable] struct node *nodes; ^ /data1/dpdk-19.11/demo/memzone/main.c: At top level: cc1: warning: unrecognized command line option "-Wno-address-of-packed-member" [enabled by default] LD TestMalloc INSTALL-APP TestMalloc INSTALL-MAP TestMalloc.map [root@localhost memzone]#
[root@localhost memzone]# build/app/TestMalloc 3 -c 0xff socket id 3 EAL: Detected 128 lcore(s) EAL: Detected 4 NUMA nodes EAL: Multi-process socket /var/run/dpdk/rte/mp_socket EAL: Selected IOVA mode 'PA' EAL: No available hugepages reported in hugepages-2048kB EAL: Probing VFIO support... EAL: VFIO support initialized EAL: PCI device 0000:05:00.0 on NUMA socket 0 EAL: probe driver: 19e5:200 net_hinic EAL: using IOMMU type 1 (Type 1) net_hinic: Initializing pf hinic-0000:05:00.0 in primary process net_hinic: Device 0000:05:00.0 hwif attribute: net_hinic: func_idx:0, p2p_idx:0, pciintf_idx:0, vf_in_pf:0, ppf_idx:0, global_vf_id:15, func_type:2 net_hinic: num_aeqs:4, num_ceqs:4, num_irqs:32, dma_attr:2 net_hinic: Get public resource capability: net_hinic: host_id: 0x0, ep_id: 0x0, intr_type: 0x0, max_cos_id: 0x7, er_id: 0x0, port_id: 0x0 net_hinic: host_total_function: 0xf2, host_oq_id_mask_val: 0x8, max_vf: 0x78 net_hinic: pf_num: 0x2, pf_id_start: 0x0, vf_num: 0xf0, vf_id_start: 0x10 net_hinic: Get share resource capability: net_hinic: host_pctxs: 0x0, host_cctxs: 0x0, host_scqs: 0x0, host_srqs: 0x0, host_mpts: 0x0 net_hinic: Get l2nic resource capability: net_hinic: max_sqs: 0x10, max_rqs: 0x10, vf_max_sqs: 0x4, vf_max_rqs: 0x4 net_hinic: Initialize 0000:05:00.0 in primary successfully EAL: PCI device 0000:06:00.0 on NUMA socket 0 EAL: probe driver: 19e5:200 net_hinic EAL: PCI device 0000:7d:00.0 on NUMA socket 0 EAL: probe driver: 19e5:a222 net_hns3 EAL: PCI device 0000:7d:00.1 on NUMA socket 0 EAL: probe driver: 19e5:a221 net_hns3 EAL: PCI device 0000:7d:00.2 on NUMA socket 0 EAL: probe driver: 19e5:a222 net_hns3 EAL: PCI device 0000:7d:00.3 on NUMA socket 0 EAL: probe driver: 19e5:a221 net_hns3 arr addr 13febb800