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charset="us-ascii" Content-Transfer-Encoding: quoted-printable DPDK documentation says so for multi-process case. * The multi-process feature requires that the exact same hugepage memor= y mappings be present in all applications. The Linux security feature - Add= ress-Space Layout Randomization (ASLR) can interfere with this mapping, so = it may be necessary to disable this feature in order to reliably run multi-= process applications. From: Balakrishnan K Sent: Wednesday, July 6, 2022 1:54 AM To: Pathak, Pravin ; users@dpdk.org Subject: RE: how to run dpdk app with valgrind Hi Pravin, Randomization is not turned off. cat /proc/sys/kernel/randomize_va_space 2 Do I need to turn off the randomization? Regards, Bala From: Pathak, Pravin > Sent: 05 July 2022 18:53 To: Balakrishnan K >; users@dpdk.org Subject: RE: how to run dpdk app with valgrind CAUTION: This email originated from outside of the organization. Do not cli= ck links or open attachments unless you recognize the sender and know the c= ontent is safe. Is randomization turned off ? echo 0 > /proc/sys/kernel/randomize_va_space Pravin From: Balakrishnan K > Sent: Tuesday, July 5, 2022 7:11 AM To: users@dpdk.org Subject: how to run dpdk app with valgrind Hi All, Is there any documents available to run the dpdk application with valgr= ind. I am trying to run our application with dpdk getting warning and the proces= s is not starting up. IPv4 IP : 1.1.1.1 IPv6 IP : 0::0 EAL: Detected 80 lcore(s) EAL: Detected 2 NUMA nodes EAL: Multi-process socket /var/run/dpdk/rte/mp_socket EAL: Selected IOVA mode 'PA' EAL: Probing VFIO support... EAL: WARNING! Base virtual address hint (0xa80001000 !=3D 0x1040000000) not= respected! EAL: This may cause issues with mapping memory into secondary processes Could you please help on this? Regards, Bala --_000_BL1PR11MB5461E62B64948A2C03FF5376F4809BL1PR11MB5461namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

DPDK documentation says so for multi-process case. <= o:p>

 

  • T= he multi-process feature requires that the exact same hugepage memory mappi= ngs be present in all applications. The Linux security feature - Address-Sp= ace Layout Randomization (ASLR) can interfere with this mapping, so it may be necessary to disable this feature in order= to reliably run multi-process applications.

 

 

From: Balakrishnan K <Balakrishnan.K1@tata= communications.com>
Sent: Wednesday, July 6, 2022 1:54 AM
To: Pathak, Pravin <pravin.pathak@intel.com>; users@dpdk.org Subject: RE: how to run dpdk app with valgrind

 

Hi Pravin,

   Randomization is n= ot turned off.

cat /proc/sys/kernel/randomize_va_space=

2

 

Do I need to turn off the rando= mization?

 

Regards,

Bala

 

From: Pathak, Pravin <pravin.pathak@intel.com>
Sent: 05 July 2022 18:53
To: Balakrishnan K <Balakrishnan.K1@tatacommunications.com>; users@dpdk.org
Subject: RE: how to run dpdk app with valgrind

 

CAUTION: This email = originated from outside of the organization. Do not click links or open att= achments unless you recognize the sender and know the content is safe.

Is randomization turned off ?

 

echo 0 > /proc/sys/kernel/randomiz= e_va_space

 

Pravin

 

From: Balakrishnan K <Balakrishnan.K1@tatacommunications.co= m>
Sent: Tuesday, July 5, 2022 7:11 AM
To: users@dpdk.org
Subject: how to run dpdk app with valgrind

 

Hi All,

    Is there any documents available = to run the dpdk application with valgrind.

I am trying to run our application with dpdk getting= warning and the process is not starting up.

 

 

 

IPv4 IP : 1.1.1.1

IPv6 IP : 0::0

EAL: Detected 80 lcore(s)

EAL: Detected 2 NUMA nodes

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

EAL: Selected IOVA mode 'PA'

EAL: Probing VFIO support...

EAL: WARNING! Base virtual address hint (0xa80001000 !=3D 0x1040000000) = not respected!

EAL:    This may cause issues with mapping memory into se= condary processes

 

Could you please help on this?

 

Regards,

Bala

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