#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 \n ", num);
int *arr;
int ret;
struct node *nodes;
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_panic("Cannot init EAL\n");
arr = rte_malloc("arr", sizeof(int) * 1024, 0);
if (arr == NULL)
rte_exit(EXIT_FAILURE, "Cannot malloc memory \n");
printf("arr addr %llx \n ",(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 \n");
printf("nodes addr %llx \n ",(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 \n");
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 \n ", num);
int *arr;
int ret;
struct node *nodes;
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_panic("Cannot init EAL\n");
arr = rte_malloc("arr", sizeof(int) * 1024, 0);
if (arr == NULL)
rte_exit(EXIT_FAILURE, "Cannot malloc memory \n");
printf("arr addr %llx \n ",(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 \n");
printf("nodes addr %llx \n ",(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 \n");
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
