netdev - Re: [i40e] regression on TCP stream and TCP maerts, kernel-4.12.0-0.rc2

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Message-ID: <CAKgT0UcdJQWqr_zxxi36a6_3iMwBNow-YS723i7t6xsKvAqvCA@mail.gmail.com>
Date:   Tue, 30 May 2017 08:41:38 -0700
From:   Alexander Duyck <alexander.duyck@...il.com>
To:     Adam Okuliar <aokuliar@...hat.com>,
        Mitch Williams <mitch.a.williams@...el.com>,
        intel-wired-lan <intel-wired-lan@...ts.osuosl.org>
Cc:     Netdev <netdev@...r.kernel.org>,
        Adrian Tomasov <atomasov@...hat.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        Otto Sabart <osabart@...hat.com>,
        Jirka Hladky <jhladky@...hat.com>
Subject: Re: [i40e] regression on TCP stream and TCP maerts, kernel-4.12.0-0.rc2

On Tue, May 30, 2017 at 6:43 AM, Adam Okuliar <aokuliar@...hat.com> wrote:
> Hello,
>
> we found regression on intel card(XL710) with i40e driver. Regression is
> about ~45%
> on TCP_STREAM and TCP_MAERTS test for IPv4 and IPv6. Regression was first
> visible in kernel-4.12.0-0.rc1.
>
> More details about results you can see in uploaded images in bugzilla. [0]
>
>
> [0] https://bugzilla.kernel.org/show_bug.cgi?id=195923
>
>
> Best regards, / S pozdravom,
>
> Adrián Tomašov
> Kernel Performance QE
> atomasov@...hat.com

I have added the i40e driver maintainer and the intel-wired-lan
mailing list so that we can make are developers aware of the issue.

Thanks.

- Alex