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From: "Íñigo Huguet" <ihuguet@redhat.com>
To: habetsm.xilinx@gmail.com
Cc: Edward Cree <ecree.xilinx@gmail.com>,
netdev@vger.kernel.org, Dinan Gunawardena <dinang@xilinx.com>
Subject: Re: Bad performance in RX with sfc 40G
Date: Thu, 23 Dec 2021 14:18:03 +0100 [thread overview]
Message-ID: <CACT4ouc=LNnrTdz37YEOAkm3G+02vrmJ5Sxk0JwKSMoCGnLs-w@mail.gmail.com> (raw)
In-Reply-To: <CACT4oufpvQ1Qzg3eC6wDu33_xBo5tVghr9G7Q=d-7F=bZbW4Vg@mail.gmail.com>
Hi Martin,
I replied this a few weeks ago, but it seems that, for some reason, I
didn't CCd you.
On Thu, Dec 9, 2021 at 1:06 PM Íñigo Huguet <ihuguet@redhat.com> wrote:
>
> Hi,
>
> On Sat, Nov 20, 2021 at 9:31 AM Martin Habets <habetsm.xilinx@gmail.com> wrote:
> > If you're testing without the IOMMU enabled I suspect the recycle ring
> > size may be too small. Can your try the patch below?
>
> Sorry for the very late reply, but I've had to be out of work for many days.
>
> This patch has improved the performance a lot, reaching the same
> 30Gbps than in TX. However, it seems sometimes a bit erratic, still
> dropping to 15Gbps sometimes, specially after module remove & probe,
> or from one iperf call to another. But not being all the times, I
> didn't found a clear pattern. Anyway, it clearly improves things.
>
> Can this patch be applied as is or it's just a test?
>
> --
> Íñigo Huguet
--
Íñigo Huguet
next prev parent reply other threads:[~2021-12-23 13:18 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-18 15:14 Íñigo Huguet
2021-11-18 17:19 ` Eric Dumazet
2021-12-02 14:26 ` Íñigo Huguet
2021-11-20 8:31 ` Martin Habets
2021-12-09 12:06 ` Íñigo Huguet
2021-12-23 13:18 ` Íñigo Huguet [this message]
2022-01-02 9:22 ` Martin Habets
2022-01-10 8:58 ` [PATCH net-next] sfc: The size of the RX recycle ring should be more flexible Martin Habets
2022-01-10 9:31 ` Íñigo Huguet
2022-01-12 9:05 ` Martin Habets
2022-01-31 11:08 ` Martin Habets
2022-01-10 17:22 ` Jakub Kicinski
2022-01-12 9:08 ` Martin Habets
2022-01-31 11:10 ` [PATCH V2 " Martin Habets
2022-02-02 5:10 ` patchwork-bot+netdevbpf
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