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From: Balakrishnan K <Balakrishnan.K1@tatacommunications.com>
To: Stephen Hemminger <stephen@networkplumber.org>
CC: "users@dpdk.org" <users@dpdk.org>
Subject: RE: how to run dpdk app with valgrind
Thread-Topic: how to run dpdk app with valgrind
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Errors-To: users-bounces@dpdk.org
Hi Stephen,
Checked the valgrind log file during dpdk app start up.
The below warning is seen in logs. Any tunning is need for large range all=
ocation while using dpdk app with valgrind.
Because without valgrind application is running smoothly.
Any suggestion would be helpful .
=3D=3D259414=3D=3D Warning: set address range perms: large range [0x1400000=
00, 0x980000000) (noaccess)
=3D=3D259414=3D=3D Warning: set address range perms: large range [0x9400000=
00, 0x980000000) (noaccess)
=3D=3D259414=3D=3D Warning: set address range perms: large range [0x100b41b=
000, 0x184b41b000) (noaccess)
=3D=3D259414=3D=3D Warning: set address range perms: large range [0x100b41b=
000, 0x184b41b000) (noaccess)
=3D=3D259414=3D=3D Warning: set address range perms: large range [0x100b41b=
000, 0x184b41b000) (noaccess)
=3D=3D259414=3D=3D Warning: set address range perms: large range [0x100b41b=
000, 0x184b41b000) (noaccess)
Regards,
Bala=20
-----Original Message-----
From: Balakrishnan K=20
Sent: 06 July 2022 11:31
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: users@dpdk.org
Subject: RE: how to run dpdk app with valgrind
Hi Stephen,
Please find the response below.
What architecture (x86)?
Architecture is x86.
=20
What DPDK version?
DPDK version 20.11
What version of valgrind?
valgrind-3.19.0
Are you using VFIO, igb_uio or other method of hardware access?
Igbuio
Regards,
Bala=20
-----Original Message-----
From: Stephen Hemminger <stephen@networkplumber.org>=20
Sent: 05 July 2022 21:34
To: Balakrishnan K <Balakrishnan.K1@tatacommunications.com>
Cc: 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.
On Tue, 5 Jul 2022 11:10:37 +0000
Balakrishnan K <Balakrishnan.K1@tatacommunications.com> wrote:
> Hi All,
> Is there any documents available to run the dpdk application with val=
grind.
> I am trying to run our application with dpdk getting warning and the proc=
ess 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) n=
ot respected!
> EAL: This may cause issues with mapping memory into secondary processe=
s
>
> Could you please help on this?
>
> Regards,
> Bala
What architecture (x86)? What DPDK version? What version of valgrind?
Are you using VFIO, igb_uio or other method of hardware access?
Valgrind works for us on Arm64 and VFIO.