On Wed, 16 Apr 2025 18:03:52 +0200 Jaroslav Pulchart wrote: > > FWIW you can also try the tools/net/ynl/samples/page-pool > > application, not sure if Intel NICs init page pools appropriately > > but this will show you exactly how much memory is sitting on Rx rings > > of the driver (and in net socket buffers). > > I'm not familiar with the page-pool tool, I try to build it, run it > and nothing is shown. Any hint/menual how to use it?
It's pretty dumb, you run it and it tells you how much memory is allocated by Rx page pools. Commit message has an example: https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=637567e4a3ef6f6a5ffa48781207d270265f7e68
