dpdk helloword
[root@localhost helloworld]# cat main.c /* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2010-2014 Intel Corporation */ #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 <unistd.h> static int lcore_hello(__attribute__((unused)) void *arg) { unsigned lcore_id, socket_id; lcore_id = rte_lcore_id(); socket_id = rte_socket_id(); printf("hello from core %u\n", lcore_id); printf("socket id %u\n", socket_id); sleep(60); return 0; } int main(int argc, char **argv) { int ret; unsigned lcore_id; ret = rte_eal_init(argc, argv); if (ret < 0) rte_panic("Cannot init EAL\n"); /* call lcore_hello() on every slave lcore */ RTE_LCORE_FOREACH_SLAVE(lcore_id) { rte_eal_remote_launch(lcore_hello, NULL, lcore_id); } /* call it on master lcore too */ lcore_hello(NULL); rte_eal_mp_wait_lcore(); return 0; }
[root@localhost helloworld]# ./build/app/helloworld 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: 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 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: API CMD poll status timeout net_hinic: chain type: 0x7 net_hinic: chain hw cpld error: 0x1 net_hinic: chain hw check error: 0x0 net_hinic: chain hw current fsm: 0x0 net_hinic: chain hw current ci: 0x0 net_hinic: Chain hw current pi: 0x1 net_hinic: Send msg to mgmt failed net_hinic: Failed to get board info, err: -110, status: 0x0, out size: 0x0 net_hinic: Check card workmode failed, dev_name: 0000:05:00.0 net_hinic: Create nic device failed, dev_name: 0000:05:00.0 net_hinic: Initialize 0000:05:00.0 in primary failed EAL: Requested device 0000:05:00.0 cannot be used 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 hello from core 1 socket id 0 hello from core 2 socket id 0 hello from core 3 hello from core 4 hello from core 6 socket id 0 hello from core 7 hello from core 8 socket id 0 hello from core 11 hello from core 12 socket id 0 socket id 0 hello from core 14 socket id 0 hello from core 15 socket id 0 hello from core 16 socket id 0 hello from core 5 hello from core 18 socket id 0 hello from core 19 socket id 0 hello from core 20 socket id 0 hello from core 17 socket id 0 hello from core 9 hello from core 23 socket id 0 hello from core 24 socket id 0 socket id 0 hello from core 21 socket id 0 socket id 0 hello from core 28 socket id 0 hello from core 29 socket id 0 hello from core 13 hello from core 31 socket id 0 hello from core 27 socket id 0 socket id 0 hello from core 10 socket id 0 hello from core 32 hello from core 33 socket id 1 hello from core 25 socket id 0 hello from core 22 socket id 0 socket id 0 hello from core 36 hello from core 37 socket id 1 hello from core 34 hello from core 39 socket id 1 hello from core 35 socket id 1 socket id 1 hello from core 43 socket id 1 hello from core 47 socket id 1 hello from core 26 hello from core 49 hello from core 50 socket id 1 socket id 1 hello from core 42 socket id 1 hello from core 44 socket id 1 hello from core 46 socket id 1 hello from core 38 socket id 1 socket id 1 socket id 0 hello from core 40 socket id 1 hello from core 41 socket id 1 hello from core 51 socket id 1 hello from core 30 socket id 0 hello from core 53 socket id 1 hello from core 57 socket id 1 socket id 0 hello from core 56 socket id 1 socket id 1 socket id 0 hello from core 52 socket id 1 hello from core 59 socket id 1 hello from core 48 socket id 1 hello from core 45 socket id 1 hello from core 55 socket id 1 hello from core 54 socket id 1 hello from core 58 socket id 1 hello from core 60 socket id 1 hello from core 61 socket id 1 hello from core 62 socket id 1 hello from core 63 socket id 1 hello from core 64 socket id 2 hello from core 65 hello from core 66 socket id 2 socket id 2 hello from core 68 socket id 2 hello from core 69 socket id 2 hello from core 71 socket id 2 hello from core 70 hello from core 73 socket id 2 socket id 2 hello from core 75 socket id 2 hello from core 74 hello from core 77 socket id 2 hello from core 78 hello from core 79 socket id 2 hello from core 72 hello from core 81 socket id 2 hello from core 86 socket id 2 hello from core 80 socket id 2 hello from core 89 socket id 2 hello from core 83 socket id 2 hello from core 92 socket id 2 socket id 2 hello from core 94 socket id 2 hello from core 95 socket id 2 hello from core 76 socket id 2 hello from core 82 socket id 2 hello from core 84 socket id 2 socket id 2 hello from core 93 socket id 2 hello from core 87 socket id 2 socket id 2 hello from core 90 socket id 2 hello from core 85 socket id 2 hello from core 88 hello from core 91 socket id 2 hello from core 67 socket id 2 socket id 2 hello from core 96 socket id 3 hello from core 97 socket id 3 hello from core 98 hello from core 100 socket id 3 hello from core 99 socket id 3 hello from core 101 hello from core 107 hello from core 108 socket id 3 hello from core 105 socket id 3 socket id 3 hello from core 115 socket id 3 hello from core 116 socket id 3 hello from core 109 socket id 3 hello from core 110 hello from core 120 socket id 3 hello from core 112 hello from core 122 socket id 3 socket id 3 hello from core 102 socket id 3 hello from core 125 socket id 3 hello from core 126 socket id 3 hello from core 119 socket id 3 hello from core 106 socket id 3 hello from core 127 socket id 3 hello from core 113 socket id 3 hello from core 123 socket id 3 socket id 3 hello from core 117 socket id 3 hello from core 118 socket id 3 socket id 3 hello from core 111 socket id 3 hello from core 121 socket id 3 hello from core 114 socket id 3 hello from core 103 socket id 3 hello from core 0 socket id 0 socket id 3 hello from core 124 socket id 3 hello from core 104 socket id 3
[root@localhost dpdk-ring-ping]# ps -mo pid,tid,%cpu,psr -p 125616 PID TID %CPU PSR 125616 - 63.4 - - 125616 59.1 0 - 125617 0.0 0 - 125618 0.0 0
--------------------------- 0号cpu跑了三个线程
- 125619 0.0 1 - 125620 0.0 2 - 125621 0.0 3 - 125622 0.0 4 - 125623 0.0 5 - 125624 0.0 6 - 125625 0.0 7 - 125626 0.0 8 - 125627 0.0 9 - 125628 0.0 10 - 125629 0.0 11 - 125630 0.0 12 - 125631 0.0 13 - 125632 0.0 14 - 125633 0.0 15 - 125634 0.0 16 - 125635 0.0 17 - 125636 0.0 18 - 125637 0.0 19 - 125638 0.0 20 - 125639 0.0 21 - 125640 0.0 22 - 125641 0.0 23 - 125642 0.0 24 - 125643 0.0 25 - 125644 0.0 26 - 125645 0.0 27 - 125646 0.0 28 - 125647 0.0 29 - 125648 0.0 30 - 125649 0.0 31 - 125650 0.0 32 - 125651 0.0 33 - 125652 0.0 34 - 125653 0.0 35 - 125654 0.0 36 - 125655 0.0 37 - 125656 0.0 38 - 125657 0.0 39 - 125658 0.0 40 - 125659 0.0 41 - 125660 0.0 42 - 125661 0.0 43 - 125662 0.0 44 - 125663 0.0 45 - 125664 0.0 46 - 125665 0.0 47 - 125666 0.0 48 - 125667 0.0 49 - 125668 0.0 50 - 125669 0.0 51 - 125670 0.0 52 - 125671 0.0 53 - 125672 0.0 54 - 125673 0.0 55 - 125674 0.0 56 - 125675 0.0 57 - 125676 0.0 58 - 125677 0.0 59 - 125678 0.0 60 - 125679 0.0 61 - 125680 0.0 62 - 125681 0.0 63 - 125682 0.0 64 - 125683 0.0 65 - 125684 0.0 66 - 125685 0.0 67 - 125686 0.0 68 - 125687 0.0 69 - 125688 0.0 70 - 125689 0.0 71 - 125690 0.0 72 - 125691 0.0 73 - 125692 0.0 74 - 125693 0.0 75 - 125694 0.0 76 - 125695 0.0 77 - 125696 0.0 78 - 125697 0.0 79 - 125698 0.0 80 - 125699 0.0 81 - 125700 0.0 82 - 125701 0.0 83 - 125702 0.0 84 - 125703 0.0 85 - 125704 0.0 86 - 125705 0.0 87 - 125706 0.0 88 - 125707 0.0 89 - 125708 0.0 90 - 125709 0.0 91 - 125710 0.0 92 - 125711 0.0 93 - 125712 0.0 94 - 125713 0.0 95 - 125714 0.0 96 - 125715 0.0 97 - 125716 0.0 98 - 125717 0.0 99 - 125718 0.0 100 - 125719 0.0 101 - 125720 0.0 102 - 125721 0.0 103 - 125722 0.0 104 - 125723 0.0 105 - 125724 0.0 106 - 125725 0.0 107 - 125726 0.0 108 - 125727 0.0 109 - 125728 0.0 110 - 125729 0.0 111 - 125730 0.0 112 - 125731 0.0 113 - 125732 0.0 114 - 125733 0.0 115 - 125734 0.0 116 - 125735 0.0 117 - 125736 0.0 118 - 125737 0.0 119 - 125738 0.0 120 - 125739 0.0 121 - 125740 0.0 122 - 125741 0.0 123 - 125742 0.0 124 - 125743 0.0 125 - 125744 0.0 126 - 125745 0.0 127 [root@localhost dpdk-ring-ping]# ps -T -p 125616 PID SPID TTY TIME CMD 125616 125616 pts/1 00:00:10 helloworld 125616 125617 pts/1 00:00:00 eal-intr-thread 125616 125618 pts/1 00:00:00 rte_mp_handle 125616 125619 pts/1 00:00:00 lcore-slave-1 125616 125620 pts/1 00:00:00 lcore-slave-2 125616 125621 pts/1 00:00:00 lcore-slave-3 125616 125622 pts/1 00:00:00 lcore-slave-4 125616 125623 pts/1 00:00:00 lcore-slave-5 125616 125624 pts/1 00:00:00 lcore-slave-6 125616 125625 pts/1 00:00:00 lcore-slave-7 125616 125626 pts/1 00:00:00 lcore-slave-8 125616 125627 pts/1 00:00:00 lcore-slave-9 125616 125628 pts/1 00:00:00 lcore-slave-10 125616 125629 pts/1 00:00:00 lcore-slave-11 125616 125630 pts/1 00:00:00 lcore-slave-12 125616 125631 pts/1 00:00:00 lcore-slave-13 125616 125632 pts/1 00:00:00 lcore-slave-14 125616 125633 pts/1 00:00:00 lcore-slave-15 125616 125634 pts/1 00:00:00 lcore-slave-16 125616 125635 pts/1 00:00:00 lcore-slave-17 125616 125636 pts/1 00:00:00 lcore-slave-18 125616 125637 pts/1 00:00:00 lcore-slave-19 125616 125638 pts/1 00:00:00 lcore-slave-20 125616 125639 pts/1 00:00:00 lcore-slave-21 125616 125640 pts/1 00:00:00 lcore-slave-22 125616 125641 pts/1 00:00:00 lcore-slave-23 125616 125642 pts/1 00:00:00 lcore-slave-24 125616 125643 pts/1 00:00:00 lcore-slave-25 125616 125644 pts/1 00:00:00 lcore-slave-26 125616 125645 pts/1 00:00:00 lcore-slave-27 125616 125646 pts/1 00:00:00 lcore-slave-28 125616 125647 pts/1 00:00:00 lcore-slave-29 125616 125648 pts/1 00:00:00 lcore-slave-30 125616 125649 pts/1 00:00:00 lcore-slave-31 125616 125650 pts/1 00:00:00 lcore-slave-32 125616 125651 pts/1 00:00:00 lcore-slave-33 125616 125652 pts/1 00:00:00 lcore-slave-34 125616 125653 pts/1 00:00:00 lcore-slave-35 125616 125654 pts/1 00:00:00 lcore-slave-36 125616 125655 pts/1 00:00:00 lcore-slave-37 125616 125656 pts/1 00:00:00 lcore-slave-38 125616 125657 pts/1 00:00:00 lcore-slave-39 125616 125658 pts/1 00:00:00 lcore-slave-40 125616 125659 pts/1 00:00:00 lcore-slave-41 125616 125660 pts/1 00:00:00 lcore-slave-42 125616 125661 pts/1 00:00:00 lcore-slave-43 125616 125662 pts/1 00:00:00 lcore-slave-44 125616 125663 pts/1 00:00:00 lcore-slave-45 125616 125664 pts/1 00:00:00 lcore-slave-46 125616 125665 pts/1 00:00:00 lcore-slave-47 125616 125666 pts/1 00:00:00 lcore-slave-48 125616 125667 pts/1 00:00:00 lcore-slave-49 125616 125668 pts/1 00:00:00 lcore-slave-50 125616 125669 pts/1 00:00:00 lcore-slave-51 125616 125670 pts/1 00:00:00 lcore-slave-52 125616 125671 pts/1 00:00:00 lcore-slave-53 125616 125672 pts/1 00:00:00 lcore-slave-54 125616 125673 pts/1 00:00:00 lcore-slave-55 125616 125674 pts/1 00:00:00 lcore-slave-56 125616 125675 pts/1 00:00:00 lcore-slave-57 125616 125676 pts/1 00:00:00 lcore-slave-58 125616 125677 pts/1 00:00:00 lcore-slave-59 125616 125678 pts/1 00:00:00 lcore-slave-60 125616 125679 pts/1 00:00:00 lcore-slave-61 125616 125680 pts/1 00:00:00 lcore-slave-62 125616 125681 pts/1 00:00:00 lcore-slave-63 125616 125682 pts/1 00:00:00 lcore-slave-64 125616 125683 pts/1 00:00:00 lcore-slave-65 125616 125684 pts/1 00:00:00 lcore-slave-66 125616 125685 pts/1 00:00:00 lcore-slave-67 125616 125686 pts/1 00:00:00 lcore-slave-68 125616 125687 pts/1 00:00:00 lcore-slave-69 125616 125688 pts/1 00:00:00 lcore-slave-70 125616 125689 pts/1 00:00:00 lcore-slave-71 125616 125690 pts/1 00:00:00 lcore-slave-72 125616 125691 pts/1 00:00:00 lcore-slave-73 125616 125692 pts/1 00:00:00 lcore-slave-74 125616 125693 pts/1 00:00:00 lcore-slave-75 125616 125694 pts/1 00:00:00 lcore-slave-76 125616 125695 pts/1 00:00:00 lcore-slave-77 125616 125696 pts/1 00:00:00 lcore-slave-78 125616 125697 pts/1 00:00:00 lcore-slave-79 125616 125698 pts/1 00:00:00 lcore-slave-80 125616 125699 pts/1 00:00:00 lcore-slave-81 125616 125700 pts/1 00:00:00 lcore-slave-82 125616 125701 pts/1 00:00:00 lcore-slave-83 125616 125702 pts/1 00:00:00 lcore-slave-84 125616 125703 pts/1 00:00:00 lcore-slave-85 125616 125704 pts/1 00:00:00 lcore-slave-86 125616 125705 pts/1 00:00:00 lcore-slave-87 125616 125706 pts/1 00:00:00 lcore-slave-88 125616 125707 pts/1 00:00:00 lcore-slave-89 125616 125708 pts/1 00:00:00 lcore-slave-90 125616 125709 pts/1 00:00:00 lcore-slave-91 125616 125710 pts/1 00:00:00 lcore-slave-92 125616 125711 pts/1 00:00:00 lcore-slave-93 125616 125712 pts/1 00:00:00 lcore-slave-94 125616 125713 pts/1 00:00:00 lcore-slave-95 125616 125714 pts/1 00:00:00 lcore-slave-96 125616 125715 pts/1 00:00:00 lcore-slave-97 125616 125716 pts/1 00:00:00 lcore-slave-98 125616 125717 pts/1 00:00:00 lcore-slave-99 125616 125718 pts/1 00:00:00 lcore-slave-100 125616 125719 pts/1 00:00:00 lcore-slave-101 125616 125720 pts/1 00:00:00 lcore-slave-102 125616 125721 pts/1 00:00:00 lcore-slave-103 125616 125722 pts/1 00:00:00 lcore-slave-104 125616 125723 pts/1 00:00:00 lcore-slave-105 125616 125724 pts/1 00:00:00 lcore-slave-106 125616 125725 pts/1 00:00:00 lcore-slave-107 125616 125726 pts/1 00:00:00 lcore-slave-108 125616 125727 pts/1 00:00:00 lcore-slave-109 125616 125728 pts/1 00:00:00 lcore-slave-110 125616 125729 pts/1 00:00:00 lcore-slave-111 125616 125730 pts/1 00:00:00 lcore-slave-112 125616 125731 pts/1 00:00:00 lcore-slave-113 125616 125732 pts/1 00:00:00 lcore-slave-114 125616 125733 pts/1 00:00:00 lcore-slave-115 125616 125734 pts/1 00:00:00 lcore-slave-116 125616 125735 pts/1 00:00:00 lcore-slave-117 125616 125736 pts/1 00:00:00 lcore-slave-118 125616 125737 pts/1 00:00:00 lcore-slave-119 125616 125738 pts/1 00:00:00 lcore-slave-120 125616 125739 pts/1 00:00:00 lcore-slave-121 125616 125740 pts/1 00:00:00 lcore-slave-122 125616 125741 pts/1 00:00:00 lcore-slave-123 125616 125742 pts/1 00:00:00 lcore-slave-124 125616 125743 pts/1 00:00:00 lcore-slave-125 125616 125744 pts/1 00:00:00 lcore-slave-126 125616 125745 pts/1 00:00:00 lcore-slave-127 [root@localhost dpdk-ring-ping]#
if (rte_ctrl_thread_create(&mp_handle_tid, "rte_mp_handle", NULL, mp_handle, NULL) < 0) { RTE_LOG(ERR, EAL, "failed to create mp thead: %s\n", strerror(errno)); close(mp_fd); close(dir_fd); mp_fd = -1; return -1; }
static void * mp_handle(void *arg __rte_unused) { struct mp_msg_internal msg; struct sockaddr_un sa; while (1) { if (read_msg(&msg, &sa) == 0) process_msg(&msg, &sa); } return NULL; }
open_socket_fd(void) { struct sockaddr_un un; peer_name[0] = '\0'; if (rte_eal_process_type() == RTE_PROC_SECONDARY) snprintf(peer_name, sizeof(peer_name), "%d_%"PRIx64, getpid(), rte_rdtsc()); mp_fd = socket(AF_UNIX, SOCK_DGRAM, 0); if (mp_fd < 0) { RTE_LOG(ERR, EAL, "failed to create unix socket\n"); return -1; } memset(&un, 0, sizeof(un)); un.sun_family = AF_UNIX; create_socket_path(peer_name, un.sun_path, sizeof(un.sun_path)); unlink(un.sun_path); /* May still exist since last run */ if (bind(mp_fd, (struct sockaddr *)&un, sizeof(un)) < 0) { RTE_LOG(ERR, EAL, "failed to bind %s: %s\n", un.sun_path, strerror(errno)); close(mp_fd); return -1; } //EAL: Multi-process socket /var/run/dpdk/rte/mp_socket RTE_LOG(INFO, EAL, "Multi-process socket %s\n", un.sun_path); return mp_fd;
}
1、初始化全局socket
rte_eal_init() --> rte_mp_channel_init()
1
rte_eal_init() --> rte_mp_channel_init()
（1）生成进程间通信共享文件过滤变量mp_filter，值为” mp_socket_* “。
（2）生成进程间通信共享文件所在的目录mp_dir_path，值为”/var/run/dpdk/rte”。
（3）调用open_socket_fd()函数创建SOCK_DGRAM类型的socket, 保存在全局变量mp_fd中，并用bind()函数将mp_fd 与通信文件进行绑定。
如果是主进程，则通信文件为：
/var/run/dpdk/rte/mp_socket
1
/var/run/dpdk/rte/mp_socket
如果是次进程，则通信文件为：
/var/run/dpdk/rte/mp_socket_<pid>_<rdtsc>
1
/var/run/dpdk/rte/mp_socket_<pid>_<rdtsc>
如果是次进程，则根据通信文件/var/run/dpdk/rte/mp_socket 向主进程发送消息，
而主进程通过通信文件
/var/run/dpdk/rte/mp_socket_<pid>_<rdtsc>
1
/var/run/dpdk/rte/mp_socket_<pid>_<rdtsc>
向所有次进程发送消息。
次进程之间没有消息通信。
（4）创建消息处理线程，线程名为”rte_mp_handle”，线程处理函数为mp_handle()函数
static void *mp_handle(void *arg __rte_unused)
{
struct mp_msg_internal msg;
struct sockaddr_un sa;
while (1) {
if (read_msg(&msg, &sa) == 0)
process_msg(&msg, &sa);
}
return NULL;
}
static void *mp_handle(void *arg __rte_unused)
{
struct mp_msg_internal msg;
struct sockaddr_un sa;
while (1) {
if (read_msg(&msg, &sa) == 0)
process_msg(&msg, &sa);
}
return NULL;
}
每个DPDK进程启动后，都会启动一个进程间消息处理的线程，进行DPDK进程间的消息处理。
2、消息读取函数read_msg()
该函数是对recvmsg()函数的封装，该函数对消息传递的各项结构进行赋值与封装，
函数也会得到struct sockaddr_un 结构的通信沟通文件路径。
之后将接收到的消息赋值到msg中，并由process_msg()函数处理。
3、消息处理函数process_msg()
该函数用来处理接收到的消息。
（1）函数首先判断消息的类型，如果是响应的消息MP_REP，或要求忽略的消息MP_IGN，
则去pending列表pending_requests中查找被挂起的消息，根据消息类型对消息做同步或异步处理。
（2）之后，根据消息的msg->name，即地址，从action_entry_list列表中查找对应的entry。
如果没有找到，则判断如果消息是一个请求消息，且DPDK初始化还没有完成，则发送一个空消息，告诉请求者忽略当前进程的存在。
如果找到了，就调用对应的消息处理回调函数，对消息做对应的处理。
[root@localhost dpdk-stable-17.11.2]# ls /var/run/dpdk/rte/ config fbarray_memseg-2048k-1-2 fbarray_memseg-2048k-3-1 fbarray_memseg-524288k-2-0 fbarray_memseg-2048k-0-0 fbarray_memseg-2048k-1-3 fbarray_memseg-2048k-3-2 fbarray_memseg-524288k-2-1 fbarray_memseg-2048k-0-1 fbarray_memseg-2048k-2-0 fbarray_memseg-2048k-3-3 fbarray_memseg-524288k-3-0 fbarray_memseg-2048k-0-2 fbarray_memseg-2048k-2-1 fbarray_memseg-524288k-0-0 fbarray_memseg-524288k-3-1 fbarray_memseg-2048k-0-3 fbarray_memseg-2048k-2-2 fbarray_memseg-524288k-0-1 fbarray_memzone fbarray_memseg-2048k-1-0 fbarray_memseg-2048k-2-3 fbarray_memseg-524288k-1-0 hugepage_info fbarray_memseg-2048k-1-1 fbarray_memseg-2048k-3-0 fbarray_memseg-524288k-1-1 mp_socket [root@localhost dpdk-stable-17.11.2]# ls /var/run/dpdk/rte/mp_socket /var/run/dpdk/rte/mp_socket [root@localhost dpdk-stable-17.11.2]#
[root@localhost dpdk-stable-17.11.2]# ls /var/run/dpdk/rte/mp_socket
/var/run/dpdk/rte/mp_socket
[root@localhost dpdk-stable-17.11.2]# cat /var/run/dpdk/rte/hugepage_info
/dev/hugepages@@@@
cat /var/run/dpdk/rte/config c memzone H memseg-524288k-0-0@0@ memseg-524288k-0-1@0 `memseg-524288k-1-0@0@
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