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hugepages---No available hugepages reported in hugepages

作者:互联网

 

 

[root@localhost dpdk_lcores]# ./build/app/test --lcores "(0,1,2,3,4)@(0,1),(5,6,7,8)@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 'VA'
EAL: No available hugepages reported in hugepages-2048kB
EAL: Probing VFIO support...
EAL: PCI device 0000:05:00.0 on NUMA socket 0
EAL:   probe driver: 19e5:200 net_hinic
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
hello from core 2
hello from core 3
hello from core 4
hello from core 5
hello from core 6
hello from core 7
hello from core 8
hello from core 0

 

[root@localhost kni]# ps -elf | grep test
0 R root      19190  18466 99  80   0 - 8390171 -    05:26 pts/1    00:01:18 ./build/app/test --lcores (0,1,2,3,4)@(0,1),(5,6,7,8)@3
0 S root      19203  17774  0  80   0 -  1729 pipe_w 05:26 pts/0    00:00:00 grep --color=auto test
[root@localhost kni]# ps -mo pid,tid,%cpu,psr,rss,trs,pmem,stat,cmd -p  19190
   PID    TID %CPU PSR   RSS  TRS %MEM STAT CMD
 19190      -  220   - 10048 6884  0.0 -    ./build/app/test --lcores (0,1,2,3,4)@(0,1),(5,6,7,8)@3
     -  19190 24.8   0     -    -    - Rl+  -
     -  19191  0.0  44     -    -    - Sl+  -
     -  19192  0.0  45     -    -    - Sl+  -
     -  19193 33.0   1     -    -    - Rl+  -
     -  19194 24.8   0     -    -    - Rl+  -
     -  19195 33.0   1     -    -    - Rl+  -
     -  19196 24.7   0     -    -    - Rl+  -
     -  19197 19.8   3     -    -    - Rl+  -
     -  19198 19.8   3     -    -    - Rl+  -
     -  19199 19.8   3     -    -    - Rl+  -
     -  19200 19.8   3     -    -    - Rl+  -
[root@localhost kni]# 

 

[root@localhost kni]# cat   /sys/devices/system/node/node*/hugepages/hugepages-2048kB/nr_hugepages
0
0
0
0

 

[root@localhost kni]# cat /proc/meminfo | grep Huge
AnonHugePages:         0 kB
ShmemHugePages:        0 kB
HugePages_Total:     256
HugePages_Free:      255
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:     524288 kB
[root@localhost kni]#

 

 

[root@localhost kni]# echo 256 >  /sys/kernel/mm/hugepages/hugepages-524288kB/nr_hugepages
 
[root@localhost kni]# ls  /sys/devices/system/node/node*/hugepages/hugepages-2048kB/nr_hugepages
/sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages
/sys/devices/system/node/node1/hugepages/hugepages-2048kB/nr_hugepages
/sys/devices/system/node/node2/hugepages/hugepages-2048kB/nr_hugepages
/sys/devices/system/node/node3/hugepages/hugepages-2048kB/nr_hugepages
[root@localhost kni]# echo 64   /sys/devices/system/node/node1/hugepages/hugepages-2048kB/nr_hugepages
64 /sys/devices/system/node/node1/hugepages/hugepages-2048kB/nr_hugepages
[root@localhost kni]# echo 64   /sys/devices/system/node/node2/hugepages/hugepages-2048kB/nr_hugepages
64 /sys/devices/system/node/node2/hugepages/hugepages-2048kB/nr_hugepages
[root@localhost kni]# echo 64   /sys/devices/system/node/node3/hugepages/hugepages-2048kB/nr_hugepages
64 /sys/devices/system/node/node3/hugepages/hugepages-2048kB/nr_hugepages
[root@localhost kni]# echo 64   /sys/devices/system/node/node4/hugepages/hugepages-2048kB/nr_hugepages
64 /sys/devices/system/node/node4/hugepages/hugepages-2048kB/nr_hugepages
[root@localhost kni]# 

 

还是一样

[root@localhost dpdk_lcores]# ./build/app/test --lcores "(0,1,2,3,4)@(0,1),(5,6,7,8)@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 'VA'
EAL: No available hugepages reported in hugepages-2048kB
EAL: Probing VFIO support...
EAL: PCI device 0000:05:00.0 on NUMA socket 0
EAL:   probe driver: 19e5:200 net_hinic
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
hello from core 2
hello from core 3
hello from core 4
hello from core 5
hello from core 6
hello from core 7
hello from core 8
hello from core 0

 

[root@localhost kni]# cat /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
0
[root@localhost kni]# cat /sys/kernel/mm/hugepages/hugepages-524288kB/nr_hugepages
256
[root@localhost kni]#

 

[root@localhost kni]# echo 256 >>  /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
[root@localhost kni]# cat /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
256
[root@localhost kni]# cat /sys/kernel/mm/hugepages/hugepages-524288kB/nr_hugepages
256
[root@localhost kni]# 

 

[root@localhost dpdk_lcores]# ./build/app/test --lcores "(0,1,2,3,4)@(0,1),(5,6,7,8)@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 'VA'
EAL: 256 hugepages of size 2097152 reserved, but no mounted hugetlbfs found for that size
EAL: Probing VFIO support...
EAL: PCI device 0000:05:00.0 on NUMA socket 0
EAL:   probe driver: 19e5:200 net_hinic
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
hello from core 2
hello from core 3
hello from core 4
hello from core 5
hello from core 6
hello from core 7
hello from core 8
hello from core 0

 

[root@localhost kni]# grep Hugepagesize /proc/meminfo
Hugepagesize:     524288 kB
[root@localhost kni]# 

执行

 umount /mnt/huge/

[root@localhost kni]# mount -t hugetlbfs none /mnt/huge/ -o pagesize=2MB
[root@localhost kni]# 

 

[root@localhost kni]# cat /proc/meminfo | grep Huge
AnonHugePages:         0 kB
ShmemHugePages:        0 kB
HugePages_Total:     256
HugePages_Free:      256
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:     524288 kB
[root@localhost kni]# 

 

[root@localhost dpdk_lcores]# ./build/app/test --lcores "(0,1,2,3,4)@(0,1),(5,6,7,8)@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 'VA'
EAL: Probing VFIO support...
EAL: PCI device 0000:05:00.0 on NUMA socket 0
EAL:   probe driver: 19e5:200 net_hinic
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
hello from core 2
hello from core 3
hello from core 4
hello from core 5
hello from core 6
hello from core 7
hello from core 8
hello from core 0

 

将 hugetlbfs 特殊文件系统挂载到根文件系统的某个目录
mount -t hugetlbfs hugetlbfs /dev/hugepages (挂载默认的hugeage大小)
mount -t hugetlbfs none /dev/hugepages_2mb -o pagesize=2MB(挂载2M的)
1G大页和2M大页必须挂载了才能使用。挂载其中一个,DPDK也能正常运行。

 

标签:available,core,EAL,hugepages,---,root,hello,socket
来源: https://www.cnblogs.com/dream397/p/13566548.html