linux-kernel - Re: [PATCH net-next v2 1/1] net/mlx5e: Add per queue netdev-genl stats

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Date: Mon, 13 May 2024 07:58:27 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Tariq Toukan <tariqt@...dia.com>
Cc: Joe Damato <jdamato@...tly.com>, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, zyjzyj2000@...il.com, nalramli@...tly.com, Saeed
 Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo
 Abeni <pabeni@...hat.com>, Richard Cochran <richardcochran@...il.com>,
 linux-rdma@...r.kernel.org (open list:MELLANOX MLX5 core VPI driver)
Subject: Re: [PATCH net-next v2 1/1] net/mlx5e: Add per queue netdev-genl
 stats

On Fri, 10 May 2024 04:17:04 +0000 Joe Damato wrote:
> Add functions to support the netdev-genl per queue stats API.
> 
> ./cli.py --spec netlink/specs/netdev.yaml \
> --dump qstats-get --json '{"scope": "queue"}'
> 
> ...snip
> 
>  {'ifindex': 7,
>   'queue-id': 62,
>   'queue-type': 'rx',
>   'rx-alloc-fail': 0,
>   'rx-bytes': 105965251,
>   'rx-packets': 179790},
>  {'ifindex': 7,
>   'queue-id': 0,
>   'queue-type': 'tx',
>   'tx-bytes': 9402665,
>   'tx-packets': 17551},
> 
> ...snip
> 
> Also tested with the script tools/testing/selftests/drivers/net/stats.py
> in several scenarios to ensure stats tallying was correct:
> 
> - on boot (default queue counts)
> - adjusting queue count up or down (ethtool -L eth0 combined ...)
> - adding mqprio TCs
> 
> Signed-off-by: Joe Damato <jdamato@...tly.com>

Tariq, could you take a look? Is it good enough to make 6.10? 
Would be great to have it..