Re: [PATCH net-next v3 00/13] net: page_pool: add netlink-based introspection
From: Jakub Kicinski <kuba@kernel.org>
Date: 2023-11-26 22:43:02
On Sat, 25 Nov 2023 20:57:24 +0000 Shakeel Butt wrote:
quoted
$ ./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)Hi Jakub, I am wondering if you considered to expose these metrics through meminfo/vmstat as well, is that a bad idea or is this/netlink more of a preference?
If that's net-namespaced we can add the basics there. We'll still need the netlink interface, tho, it's currently per-interface and per-queue (simplifying a bit). But internally the recycling stats are also per-CPU, which could be of interest at some stage.