CODEWITHSUNDEEP
network-programmingdpdk
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Reputation: 739

DPDK Pktgen -- interpret output

I'm trying to understand DPDK and I'm new to these performance tools. Any help help would be greatly appreciated.

I've setup DPDK and Pktgen on my Virtual Box Ubuntu VM with two host-only adapters. Those two NICs are managed by DPDK.

dpdk_nic_bind.py output

When I run the command 

pktgen -c -x01 -n 3 -- -P -m "[1:3].0, [2:4].1"

I see the below screen

enter image description here

But, I do not see any values getting changed. It seems to be the same regardless of changes to the command. How do I interpret this values in the picture? How do I pump up traffic on one of the adapters and measure its performance?

Upvotes: 0

Views: 889

Answers (1)

jeremf
jeremf

Reputation: 672

pktgen is waiting for commands, hence the Pktgen> prompt.

For instance, to start sending packet on port 0 with the default settings you can use start 0.

You can also use help for help. The list of available command is also explained here: https://pktgen.readthedocs.org/en/latest/commands.html

EDIT: (see comments)

The core mask should be at least -c 0x1f, to have 5 cores availables

Upvotes: 2

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