From: Jakub Kicinski <kuba@kernel.org>
To: tanhuazhong <tanhuazhong@huawei.com>
Cc: <davem@davemloft.net>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <salil.mehta@huawei.com>,
<yisen.zhuang@huawei.com>, <linuxarm@huawei.com>
Subject: Re: [PATCH V2 net-next 11/11] net: hns3: add debugfs support for interrupt coalesce
Date: Wed, 11 Nov 2020 08:15:20 -0800 [thread overview]
Message-ID: <20201111081520.670fc37f@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <faf8854a-329d-8064-a832-02b08d3f5bad@huawei.com>
On Wed, 11 Nov 2020 11:16:37 +0800 tanhuazhong wrote:
> On 2020/11/11 9:28, Jakub Kicinski wrote:
> > On Mon, 9 Nov 2020 11:22:39 +0800 Huazhong Tan wrote:
> >> Since user may need to check the current configuration of the
> >> interrupt coalesce, so add debugfs support for query this info,
> >> which includes DIM profile, coalesce configuration of both software
> >> and hardware.
> >>
> >> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
> >
> > Please create a file per vector so that users can just read it instead
> > of dumping the info into the logs.
> >
>
> This patch should be removed from this series right now. Since this new
> read method needs some adaptations and verifications, and there maybe
> another better ways to dump this info.
>
> > Even better we should put as much of this information as possible into
> > the ethtool API. dim state is hardly hardware-specific.
> >
>
> Should the ethtool API used to dump the hardware info? Could you provide
> some hints to do it?
Not necessarily hardware info but if there is a use case for inspecting
DIM state we can extend
coalesce_fill_reply() in net/ethtool/coalesce.c
to report it.
next prev parent reply other threads:[~2020-11-11 16:15 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-09 3:22 [PATCH V2 net-next 00/11] net: hns3: updates for -next Huazhong Tan
2020-11-09 3:22 ` [PATCH V2 net-next 01/11] net: hns3: add support for configuring interrupt quantity limiting Huazhong Tan
2020-11-11 1:13 ` Jakub Kicinski
2020-11-11 1:15 ` tanhuazhong
2020-11-09 3:22 ` [PATCH V2 net-next 02/11] net: hns3: add support for querying maximum value of GL Huazhong Tan
2020-11-09 3:22 ` [PATCH V2 net-next 03/11] net: hns3: add support for 1us unit GL configuration Huazhong Tan
2020-11-09 3:22 ` [PATCH V2 net-next 04/11] net: hns3: rename gl_adapt_enable in struct hns3_enet_coalesce Huazhong Tan
2020-11-09 3:22 ` [PATCH V2 net-next 05/11] net: hns3: add support for dynamic interrupt moderation Huazhong Tan
2020-11-11 1:20 ` Jakub Kicinski
2020-11-11 2:31 ` tanhuazhong
2020-11-09 3:22 ` [PATCH V2 net-next 06/11] net: hns3: add ethtool priv-flag for DIM Huazhong Tan
2020-11-09 3:22 ` [PATCH V2 net-next 07/11] net: hns3: add hns3_state_init() to do state initialization Huazhong Tan
2020-11-09 3:22 ` [PATCH V2 net-next 08/11] net: hns3: add a check for ethtool priv-flag interface Huazhong Tan
2020-11-09 3:22 ` [PATCH V2 net-next 09/11] net: hns3: add support for EQ/CQ mode configuration Huazhong Tan
2020-11-11 1:25 ` Jakub Kicinski
2020-11-11 3:03 ` tanhuazhong
2020-11-09 3:22 ` [PATCH V2 net-next 10/11] net: hns3: add ethtool priv-flag for EQ/CQ Huazhong Tan
2020-11-09 3:22 ` [PATCH V2 net-next 11/11] net: hns3: add debugfs support for interrupt coalesce Huazhong Tan
2020-11-11 1:28 ` Jakub Kicinski
2020-11-11 3:16 ` tanhuazhong
2020-11-11 16:15 ` Jakub Kicinski [this message]
2020-11-12 0:48 ` tanhuazhong
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