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Message-ID: <f01e7e91-08f1-4548-8e73-aa931d5b4834@intel.com> Date: Thu, 30 Nov 2023 17:01:23 +0100 From: Alexander Lobakin <aleksander.lobakin@...el.com> To: Jakub Kicinski <kuba@...nel.org> CC: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Maciej Fijalkowski <maciej.fijalkowski@...el.com>, Michal Kubiak <michal.kubiak@...el.com>, Larysa Zaremba <larysa.zaremba@...el.com>, Alexander Duyck <alexanderduyck@...com>, Yunsheng Lin <linyunsheng@...wei.com>, "David Christensen" <drc@...ux.vnet.ibm.com>, Jesper Dangaard Brouer <hawk@...nel.org>, Ilias Apalodimas <ilias.apalodimas@...aro.org>, "Paul Menzel" <pmenzel@...gen.mpg.de>, <netdev@...r.kernel.org>, <intel-wired-lan@...ts.osuosl.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH net-next v5 13/14] libie: add per-queue Page Pool stats From: Jakub Kicinski <kuba@...nel.org> Date: Wed, 29 Nov 2023 06:29:14 -0800 > On Wed, 29 Nov 2023 14:40:33 +0100 Alexander Lobakin wrote: >>> Expand the libie generic per-queue stats with the generic Page Pool >>> stats provided by the API itself, when CONFIG_PAGE_POOL_STATS is >>> enabled. When it's not, there'll be no such fields in the stats >>> structure, so no space wasted. >> >> Do I get it correctly that after Page Pool Netlink introspection was >> merged, this commit makes no sense and we shouln't add PP stats to the >> drivers private ones? > > Yes, 100%. Meh, this way the stats won't survive ifdown/ifup cycles as usually page_pools get destroyed on ifdown :z In that patch, I backup the PP stats to a device-lifetime container when the pool gets destroyed, maybe we could do something similar? > > FWIW I am aware that better tooling would be good so non-developers > could access to the PP Netlink :( I'm thinking we should clean up > YNL lib packaging a little and try to convince iproute2 maintainers > to accept simple CLI built on top of it. Thanks, Olek
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