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From: Jakub Kicinski <kuba@kernel.org>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>
Cc: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>,
	Jesper Dangaard Brouer <hawk@kernel.org>,
	Yunsheng Lin <linyunsheng@huawei.com>,
	Lorenzo Bianconi <lorenzo@kernel.org>,
	netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
	pabeni@redhat.com, bpf@vger.kernel.org,
	willemdebruijn.kernel@gmail.com, jasowang@redhat.com,
	sdf@google.com, ilias.apalodimas@linaro.org
Subject: Re: [PATCH v6 net-next 4/5] net: page_pool: make stats available just for global pools
Date: Wed, 31 Jan 2024 15:52:51 -0800	[thread overview]
Message-ID: <20240131155251.5d22477f@kernel.org> (raw)
In-Reply-To: <877cjpzfgv.fsf@toke.dk>

On Wed, 31 Jan 2024 16:32:00 +0100 Toke Høiland-Jørgensen wrote:
> > ack from my side if you have some use-cases in mind.
> > Some questions below:
> > - can we assume ethtool will be used to report stats just for 'global'
> >   page_pool (not per-cpu page_pool)?
> > - can we assume netlink/yaml will be used to report per-cpu page_pool stats?
> >
> > I think in the current series we can fix the accounting part (in particular
> > avoiding memory wasting) and then we will figure out how to report percpu
> > page_pool stats through netlink/yaml. Agree?  
> 
> Deferring the export API to a separate series after this is merged is
> fine with me.

+1

> In which case the *gathering* of statistics could also be
> deferred (it's not really useful if it can't be exported).

What do you mean by "gather" here? If we plan to expose them later on 
I reckon there's no point having this patch which actively optimizes
them away, no? IOW we should just drop this patch from v7?

  reply	other threads:[~2024-01-31 23:52 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-28 14:20 [PATCH v6 net-next 0/5] add multi-buff support for xdp running in generic mode Lorenzo Bianconi
2024-01-28 14:20 ` [PATCH v6 net-next 1/5] net: add generic per-cpu page_pool allocator Lorenzo Bianconi
2024-01-29  6:37   ` kernel test robot
2024-01-29 12:05   ` Yunsheng Lin
2024-01-29 13:04     ` Lorenzo Bianconi
2024-01-30 11:02       ` Yunsheng Lin
2024-01-30 14:26         ` Lorenzo Bianconi
2024-02-01 11:49           ` Lorenzo Bianconi
2024-02-01 12:14             ` Yunsheng Lin
2024-01-29 12:45   ` Toke Høiland-Jørgensen
2024-01-29 12:52     ` Lorenzo Bianconi
2024-01-29 15:44       ` Toke Høiland-Jørgensen
2024-01-31 12:51         ` Jesper Dangaard Brouer
2024-01-31 12:28   ` Jesper Dangaard Brouer
2024-01-31 13:36     ` Lorenzo Bianconi
2024-01-28 14:20 ` [PATCH v6 net-next 2/5] xdp: rely on skb pointer reference in do_xdp_generic and netif_receive_generic_xdp Lorenzo Bianconi
2024-01-29  8:05   ` Ilias Apalodimas
2024-01-29  9:58     ` Lorenzo Bianconi
2024-01-28 14:20 ` [PATCH v6 net-next 3/5] xdp: add multi-buff support for xdp running in generic mode Lorenzo Bianconi
2024-01-31 23:47   ` Jakub Kicinski
2024-02-01 11:34     ` Lorenzo Bianconi
2024-02-01 15:15       ` Jakub Kicinski
2024-02-01 16:41         ` Lorenzo Bianconi
2024-01-28 14:20 ` [PATCH v6 net-next 4/5] net: page_pool: make stats available just for global pools Lorenzo Bianconi
2024-01-29 12:06   ` Yunsheng Lin
2024-01-29 13:07     ` Lorenzo Bianconi
2024-01-30 11:23       ` Yunsheng Lin
2024-01-30 13:52         ` Lorenzo Bianconi
2024-01-30 15:11           ` Jesper Dangaard Brouer
2024-01-30 16:01             ` Lorenzo Bianconi
2024-01-31 15:32               ` Toke Høiland-Jørgensen
2024-01-31 23:52                 ` Jakub Kicinski [this message]
2024-02-01 10:54                   ` Lorenzo Bianconi
2024-01-28 14:20 ` [PATCH v6 net-next 5/5] veth: rely on netif_skb_segment_for_xdp utility routine Lorenzo Bianconi
2024-01-29 12:43 ` [PATCH v6 net-next 0/5] add multi-buff support for xdp running in generic mode Toke Høiland-Jørgensen
2024-01-29 13:05   ` Lorenzo Bianconi

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