netdev - Re: [PATCH net-next 0/4] page_pool: API for numa node change handling

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Message-ID: <CAJ3xEMgXujHYyMrMdmDDEyWJ6SLw8uKrxHZw=aTRkn-RQUjfKw@mail.gmail.com>
Date:   Wed, 23 Oct 2019 18:20:55 +0300
From:   Or Gerlitz <gerlitz.or@...il.com>
To:     Saeed Mahameed <saeedm@...lanox.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        "ilias.apalodimas@...aro.org" <ilias.apalodimas@...aro.org>
Subject: Re: [PATCH net-next 0/4] page_pool: API for numa node change handling

On Tue, Oct 22, 2019 at 8:04 AM Saeed Mahameed <saeedm@...lanox.com> wrote:

> CPU: Intel(R) Xeon(R) CPU E5-2603 v4 @ 1.70GHz
> NIC: Mellanox Technologies MT27700 Family [ConnectX-4] (100G)
>
> XDP Drop/TX single core:
> NUMA  | XDP  | Before    | After
> ---------------------------------------
> Close | Drop | 11   Mpps | 10.9 Mpps
> Far   | Drop | 4.4  Mpps | 5.8  Mpps
>
> Close | TX   | 6.5 Mpps  | 6.5 Mpps
> Far   | TX   | 4   Mpps  | 3.5  Mpps
>
> Improvement is about 30% drop packet rate, 15% tx packet rate for numa far test.

some typo here, the TX far test results become worse, would be good to
clarify/fix the cover letter