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Date: Wed, 22 Nov 2023 17:17:01 +0100
From: Jesper Dangaard Brouer <hawk@...nel.org>
To: Jakub Kicinski <kuba@...nel.org>, davem@...emloft.net
Cc: netdev@...r.kernel.org, edumazet@...gle.com, pabeni@...hat.com,
 almasrymina@...gle.com, ilias.apalodimas@...aro.org, dsahern@...il.com,
 dtatulea@...dia.com, willemb@...gle.com,
 kernel-team <kernel-team@...udflare.com>
Subject: Re: [PATCH net-next v3 13/13] tools: ynl: add sample for getting
 page-pool information



On 11/22/23 04:44, Jakub Kicinski wrote:
> Regenerate the tools/ code after netdev spec changes.
> 
> Add sample to query page-pool info in a concise fashion:
> 
> $ ./page-pool
>      eth0[2]	page pools: 10 (zombies: 0)
> 		refs: 41984 bytes: 171966464 (refs: 0 bytes: 0)
> 		recycling: 90.3% (alloc: 656:397681 recycle: 89652:270201)
> 
> Signed-off-by: Jakub Kicinski<kuba@...nel.org>
> ---
>   tools/include/uapi/linux/netdev.h     |  36 +++
>   tools/net/ynl/generated/netdev-user.c | 419 ++++++++++++++++++++++++++
>   tools/net/ynl/generated/netdev-user.h | 171 +++++++++++
>   tools/net/ynl/lib/ynl.h               |   2 +-
>   tools/net/ynl/samples/.gitignore      |   1 +
>   tools/net/ynl/samples/Makefile        |   2 +-
>   tools/net/ynl/samples/page-pool.c     | 147 +++++++++
>   7 files changed, 776 insertions(+), 2 deletions(-)
>   create mode 100644 tools/net/ynl/samples/page-pool.c

Nice a sample tool.

Acked-by: Jesper Dangaard Brouer <hawk@...nel.org>

Let me provide some lore links[1][2] to this, if someone want to take a
look at extracting for their own monitoring system... ;-)

[1] 
https://lore.kernel.org/netdev/20231122034420.1158898-14-kuba@kernel.org/

[2] 
https://lore.kernel.org/netdev/20231122034420.1158898-14-kuba@kernel.org/#Z31tools:net:ynl:samples:page-pool.c

[3] 
https://lore.kernel.org/netdev/20231122034420.1158898-14-kuba@kernel.org/#Z31tools:net:ynl:generated:netdev-user.c


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