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@kernel.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@kernel.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/ (local)

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

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