DPDK Pdump tool is not able to attach to DPDK test pmd primary application

[Stephen Hemminger]

On Thu, 22 Feb 2024 19:27:01 +0000
Sameer Vaze <svaze at qti.qualcomm.com> wrote:

> I don't think the pdump application is doing the transmit/receive. Am I missing something in the command line arguments I passed below that would configure it to transmit/receive?
> 
> Passing in the rx-dev and tx-dev as pcap should not cause that right? The documentation mentions those as mandatory arguments. I tried specifying an interface as well and saw the same issue.
> 
> Thanks

The issue arises if send/receive is done in a secondary process as in:

1. Primary process
2. Secondary process that does send/receive
3. Pdump application (secondary)

If #2 does send/receive it will not be seen by #3