[PATCH 2/5] net/ice: improve Tx scheduler graph output

[Stephen Hemminger]

On Wed,  9 Oct 2024 18:08:19 +0100
Bruce Richardson <bruce.richardson at intel.com> wrote:

> The function to dump the TX scheduler topology only adds to the chart
> nodes connected to TX queues or for the flow director VSI. Change the
> function to work recursively from the root node and thereby include all
> scheduler nodes, whether in use or not, in the dump.
> 
> Also, improve the output of the Tx scheduler graphing function:
> 
> * Add VSI details to each node in graph
> * When number of children is >16, skip middle nodes to reduce size of
>   the graph, otherwise dot output is unviewable for large hierarchies
> * For VSIs other than zero, use dot's clustering method to put those
>   VSIs into subgraphs with borders
> * For leaf nodes, display queue numbers for the any nodes assigned to
>   ethdev NIC Tx queues
> 
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>


Fixes: ab4eaf9a8a31 ("net/ice: dump Tx scheduling tree")
Acked-by: Stephen Hemminger <stephen at networkplumber.org>