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From: PATRICK KEROULAS <patrick.keroulas@radio-canada.ca>
Date: Thu, 30 Jul 2020 15:06:30 -0400
Message-ID: <CALEF-=C_h6ccRXXS14fH4g9KwtP6ecy==ngRL=oGQHv0hPZtDg@mail.gmail.com>
To: users@dpdk.org
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Subject: Re: [dpdk-users] mlx5: dual port capture
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dpdk-pdump doc:

"Multiple instances of --pdump can be passed to capture packets
on different port and queue combinations."

On Fri, Jul 24, 2020 at 5:04 PM PATRICK KEROULAS
<patrick.keroulas@radio-canada.ca> wrote:
>
> Hello,
>
> We use 2 physical networks for redundancy. In order to validate that
> data on both network is similar, I need to capture traffic on the 2
> NIC ports simultaneously, no matter if the result is 2 pcap files.
> Since dpdk-pdump seems to work for one single port, I've tried to start
> 2 pdump processes simultaneously, which leads to a `Cannot reserve
> memory` msg for one of these.
>
> I'm not very familiar with how mem pools and queues work. But I feel
> like there is a clever way to handle that. Can someone give a hint?
>
> Best regards,
>
> PK