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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, I upgraded from DPDK 17.11 to DPDK 22.11. Also introduced the Intel E810 N= IC to the mix. VM host is running Oracle 9 with kernel 5.14.0-162 in VMWARE 7.03 and PCI P= assthrough. Was able to detect the E810-XXV NIC ethernet port with DPDK API (rte_eth_de= v_count_avail()), however I see problems when do mmap in our application af= ter the DPDK initialization. [root@vstreamOR9-160 bin]# /opt/dpdk/dpdk_nic_bind.py --status Network devices using DPDK-compatible driver =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 0000:0b:00.0 'Ethernet Controller E810-XXV for SFP 159b' drv=3Digb_uio unus= ed=3Dice Network devices using kernel driver =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 0000:03:00.0 'VMXNET3 Ethernet Controller 07b0' if=3Deth0 drv=3Dvmxnet3 unu= sed=3Digb_uio *Active* Found errors when application is started with gdb: EAL: Detected CPU lcores: 16 EAL: Detected NUMA nodes: 1 EAL: Detected static linkage of DPDK [New Thread 0x7f60c8cb0640 (LWP 3872)] EAL: Multi-process socket /var/run/dpdk/rte/mp_socket [New Thread 0x7f60c84af640 (LWP 3873)] EAL: Selected IOVA mode 'PA' EAL: rte_mem_virt2phy(): cannot open /proc/self/pagemap: Too many open file= s EAL: rte_mem_virt2phy(): cannot open /proc/self/pagemap: Too many open file= s EAL: rte_mem_virt2phy(): cannot open /proc/self/pagemap: Too many open file= s EAL: rte_mem_virt2phy(): cannot open /proc/self/pagemap: Too many open file= s EAL: rte_mem_virt2phy(): cannot open /proc/self/pagemap: Too many open file= s EAL: eal_memalloc_alloc_seg_bulk(): couldn't find suitable memseg_list EAL: FATAL: Cannot init memory EAL: Cannot init memory This may be a hint why mmap fails. Tried the following: * increase the VM memory from 16 GB to 32 GB, * increase the amount of hugepages from 2GB to 4GB, * ulimit -n shows open files =3D 1024, had to increase to 2048 to elimi= nate the rte_mem_virt2phy() errors above when start app with gdb. * free shows 62579808 free and available * htop shows our application VIRT is 66 GB, what a surprise to see this= value so high. With DPDK 17.11 this value is around 5.5 GB. Was able to get our application to process packets from E810 once I changed= the VM total memory to 80GB. In HTOP the Mem value shows 5.28G/78.5G and VIRT is 69.0 GB. When the main application executes rte_eal_init() is when the VIRT memory j= umps to 66 GB, this is before the application configures the DPDK resources= (worker rings, port configuration, etc). Is there a setting in meson to reduce the DPDK resource in our application? Is telemetry memory consuming? Any help will be appreciated. Thanks, Ed --_000_PH0PR01MB673025D65579A84556B1AEFE8FA2APH0PR01MB6730prod_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi,

I upgraded from DPDK 17.11 to DPDK 22.11.  Also= introduced the Intel E810 NIC to the mix.

VM host is running Oracle 9 with kernel 5.14.0-162 i= n VMWARE 7.03 and PCI Passthrough.

 

Was able to detect the E810-XXV NIC ethernet port wi= th DPDK API (rte_eth_dev_count_avail()), however I see problems when do mma= p in our application after the DPDK initialization.

 

[root@vstreamOR9-160 bin]# /opt/dpdk/dpdk_nic_bind.p= y --status

 

Network devices using DPDK-compatible driver

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D

0000:0b:00.0 'Ethernet Controller E810-XXV for SFP 1= 59b' drv=3Digb_uio unused=3Dice

 

Network devices using kernel driver

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

0000:03:00.0 'VMXNET3 Ethernet Controller 07b0' if= =3Deth0 drv=3Dvmxnet3 unused=3Digb_uio *Active*

 

 

Found errors when application is started with gdb= :

EAL: Detected CPU lcores: 16

EAL: Detected NUMA nodes: 1

EAL: Detected static linkage of DPDK

[New Thread 0x7f60c8cb0640 (LWP 3872)]

EAL: Multi-process socket /var/run/dpdk/rte/mp_socke= t

[New Thread 0x7f60c84af640 (LWP 3873)]

EAL: Selected IOVA mode 'PA'

EAL: rte_mem_virt2phy(): cannot open /proc/self/p= agemap: Too many open files

EAL: rte_mem_virt2phy(): cannot open /proc/self/p= agemap: Too many open files

EAL: rte_mem_virt2phy(): cannot open /proc/self/p= agemap: Too many open files

EAL: rte_mem_virt2phy(): cannot open /proc/self/p= agemap: Too many open files

EAL: rte_mem_virt2phy(): cannot open /proc/self/p= agemap: Too many open files

EAL: eal_memalloc_alloc_seg_bulk(): couldn't find= suitable memseg_list

EAL: FATAL: Cannot init memory

EAL: Cannot init memory

 

This may be a hint why mmap fails.

Tried the following:

  • increase the VM memory from 16 GB to 32 GB,
  • increase the amount of hugepages from 2GB to 4GB,
  • ulimit -n shows open files =3D 1024, had to increase to 2= 048 to eliminate the rte_mem_virt2phy() errors above when start app with gd= b.
  • free shows 62579808 free and available
  • htop shows our application VIRT is 66 GB, what a surprise to see t= his value so high.  With DPDK 17.11 this value is around 5.5 GB.<= /o:p>

 

Was able to get our application to process packets f= rom E810 once I changed the VM total memory to 80GB.

In HTOP the Mem value shows 5.28G/78.5G and VIRT is = 69.0 GB.

 

When the main application executes rte_eal_init() is= when the VIRT memory jumps to 66 GB, this is before the application config= ures the DPDK resources (worker rings, port configuration, etc).=

 

Is there a setting in meson to reduce the DPDK resou= rce in our application?

Is telemetry memory consuming?

 

Any help will be appreciated.

 

Thanks,

Ed

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