how to run dpdk app with valgrind

[Balakrishnan K]

Hi Stephen,
    Please find the response below.
What architecture (x86)?

Architecture is x86.
 
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 


-----Original Message-----
From: Stephen Hemminger <stephen at networkplumber.org> 
Sent: 05 July 2022 21:34
To: Balakrishnan K <Balakrishnan.K1 at tatacommunications.com>
Cc: users at dpdk.org
Subject: Re: how to run dpdk app with valgrind

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On Tue, 5 Jul 2022 11:10:37 +0000
Balakrishnan K <Balakrishnan.K1 at tatacommunications.com> wrote:

> 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_socket
> EAL: Selected IOVA mode 'PA'
> EAL: Probing VFIO support...
> EAL: WARNING! Base virtual address hint (0xa80001000 != 0x1040000000) not respected!
> EAL:    This may cause issues with mapping memory into secondary processes
>
> 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.