On Fri, 13 Jun 2025 05:47:50 -0700 Breno Leitao wrote: > > Or is there another way that the packets could be observed, e.g., > > counters. > > Unfortunately netpoll doesn't expose any data, thus, it is hard to get > it. > > I have plans to create a configfs for netpoll, so, we can check for > these numbers (as also configure some pre-defined values today, such as > USEC_PER_POLL, MAX_SKBS, ip6h->version = 6; ip6h->priority = 0, etc. > > In fact, I've an private PoC for this, but, I am modernizing the code > first, and creating some selftests to help me with those changes later > (given we have very little test on netpoll, and I aim to improve this, > given how critical it is for some datacenter designs).
FWIW you can steal bpftrace integration from this series: https://lore.kernel.org/all/20250421222827.283737-22-k...@kernel.org/
