标签：rte addr socket net reserve id memzone EAL
/* 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 <rte_memzone.h>
#include <unistd.h>
#include "eal_private.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;
const struct rte_memzone *mz;
int *arr;
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_panic("Cannot init EAL\n");
if (rte_eal_process_type() == RTE_PROC_PRIMARY){
mz = rte_memzone_reserve("memzone", sizeof(int)*2,
SOCKET_ID_ANY, 0);
}
else {
mz = rte_memzone_lookup("memzone");
}
if (mz == NULL)
rte_exit(EXIT_FAILURE, "Cannot reserve memory zone for port information\n");
printf("mz addr: %llx, mz->addr :%llx , mz->addr_64 : %llx\n", (long long)mz, (long long)(mz->addr), mz->addr_64);
printf("arr addr: %llx \n", (unsigned long long)(&arr));
arr = (int *)rte_malloc("arr", sizeof(int) * 1024, 0);
//arr = (int *)rte_malloc(NULL, sizeof(int) * 1024, 0);
if (arr == NULL)
rte_exit(EXIT_FAILURE, "Cannot malloc memory \n");
printf("arr addr: %llx \n", (unsigned long long)arr);
/* call lcore_hello() on every slave lcore */
RTE_LCORE_FOREACH_SLAVE(lcore_id) {
rte_eal_remote_launch(lcore_hello, NULL, lcore_id);
}
if (rte_eal_process_type() == RTE_PROC_PRIMARY){
((int *)(mz->addr))[0] =9999;
}
else {
printf("(mz->addr)[0] : %d \n", ((int*)(mz->addr))[0]);
}
//arr[0]=4;
/* call it on master lcore too */
lcore_hello(NULL);
struct rte_config *tmp_config;
tmp_config=rte_eal_get_configuration();
printf("rte_config addr : %llx \n", (unsigned long long )tmp_config);
rte_eal_mp_wait_lcore();
//rte_free(arr);
return 0;
}
[root@localhost memzone]# build/app/helloworld -c 0xf -n 4 --proc-type=primary 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 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 mz addr: 100012838, mz->addr :42002bc780 , mz->addr_64 : 42002bc780 arr addr: ffffe08a5768 arr addr: 2bb700 hello from core 1 socket id 0 hello from core 2 socket id 0 hello from core 0 socket id 0 hello from core 3 socket id 0 rte_config addr : affea8
[root@localhost memzone]# build/app/helloworld -c 0xf -n 4 --proc-type=secondary EAL: Detected 128 lcore(s) EAL: Detected 4 NUMA nodes EAL: Multi-process socket /var/run/dpdk/rte/mp_socket_62051_36199956461d 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 EAL: using IOMMU type 1 (Type 1) net_hinic: Initializing pf hinic-0000:05:00.0 in secondary process net_hinic: Initialize 0000:05:00.0 in secondary process 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 mz addr: 100012838, mz->addr :42002bc780 , mz->addr_64 : 42002bc780 arr addr: ffffdb1b7d98 arr addr: 290580 hello from core 1 socket id 0 hello from core 2 socket id 0 (mz->addr)[0] : 9999 hello from core 0 socket id 0 hello from core 3 socket id 0 rte_config addr : affea8
标签：rte,addr,socket,net,reserve,id,memzone,EAL 来源： https://www.cnblogs.com/dream397/p/13596697.html
本站声明： 1. iCode9 技术分享网（下文简称本站）提供的所有内容，仅供技术学习、探讨和分享； 2. 关于本站的所有留言、评论、转载及引用，纯属内容发起人的个人观点，与本站观点和立场无关； 3. 关于本站的所有言论和文字，纯属内容发起人的个人观点，与本站观点和立场无关； 4. 本站文章均是网友提供，不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属；如您发现该文章侵犯了您的权益，可联系我们第一时间进行删除； 5. 本站为非盈利性的个人网站，所有内容不会用来进行牟利，也不会利用任何形式的广告来间接获益，纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。