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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1guBMC-00071v-77; Thu, 14 Feb 2019 07:22:52 +0000 Received: from mout.gmx.net ([212.227.15.19]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1guBM9-00071V-04 for linux-amlogic@lists.infradead.org; Thu, 14 Feb 2019 07:22:50 +0000 Received: from [10.10.11.100] ([95.88.178.171]) by mail.gmx.com (mrgmx002 [212.227.17.190]) with ESMTPSA (Nemesis) id 0Lw285-1h8Qx42owv-017nGm; Thu, 14 Feb 2019 08:21:31 +0100 Subject: Re: stmmac / meson8b-dwmac To: Jose Abreu , Martin Blumenstingl References: <20190206103645.GA2482@ingrassia.epigenesys.com> <3001f244-8904-1e89-9595-62a65a7b32ae@gmx.de> <330a523a-c1d6-4a99-3287-459096af0330@synopsys.com> From: Simon Huelck Openpgp: preference=signencrypt Autocrypt: addr=simonmail@gmx.de; prefer-encrypt=mutual; keydata= mQGiBD/bCNARBACE3URTBXZ/AA03NwRNtz03ewQn3uhvYSTjfqgplBtb3dfC4a79BXDRIWVX xPGH9Ewios1c8gMu3/RI2l3JzXoISfw5b0L/5igyPKV+sGuUA2FD27kYtPaaF/TqEWIv+Yxp 9DCjCX5IQSYyvCfcxcyEkY8eVWxnaAlV3zKRR8wn0wCglWIOtAugBcg1YXmoLpFZE8Ca0fkD /jG+n4U9DPfCgkbgjQ/dv2W2a0ZDHccA9N8AW/FTXGyXXO0e7ql9/kORJnp7jD7/Z9HCKpeS HajgxuX9Vhfx6bH1dAMfsg88+K8pOO9oulNX1+YffQyZWOfdbmnZDUzBt9HKR9Wgh8WoIyw9 TVluclzn6hYz+z9jbqHWMOsiCu8zA/0apHbW8vaIDT4+nNUxNdqU1TKa9kW47vNjwYYL0jZW TXNjDIRpqJVSugYVc/U847GoVoxyvtzre4TAbBV8h0BAOeMdxI5En67RGWzeNaMDJV1bwapj qdfj3e/X8rnGIfwz47rwztLNKoAIUlKrATwroiI7UNT+84G7H5qalu+Eu7QqU2ltb24gSHVl bGNrIDxzaW1vbi5odWVsY2tAZ29vZ2xlbWFpbC5jb20+iGIEExECACIFAlH7wL4CGyMGCwkI BwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEJNSVvfBt05KlBQAn1JDO7e4H3N0WFJkZnxvObhk 2kiAAJwPdDd6T1TuGo4iDIENRhAX4AH2KrkBDQQ/2wjSEAQAj6JnDDQzIIYzPGsrHRvaq8vw n8VrZCbPRvkngGvtQIss5pH/MLeu9jLepDGO9WHByFSg4QJh8cINYwTLtX8Bu0naA6ZI46hn GyfxdRlxSU9dRqHpU3G0tymL1w3AER6aVSfdXQTmFgf61anKunbIIptkqzZurkjnxkwCE/RM RscABA0D/jhglpj8siSIAxs8XLVfKJrjzbYM9/wS0NfdSXBeQJiYtKrY0WMNsqjY50wDnLMg anORN/odT6mCwKI6xChzxEv/ta4+teZl92aitziSuqmtl+jm23DpOcUC7UBz2W1+TvnrhPR+ MKu8pPKAgsE8AI5uwCcNJx7V3bczYkIGaXybiEYEGBECAAYFAj/bCNIACgkQk1JW98G3Tko6 3wCfZBpZAUhUz/Rcp2rfg/YSKl4YLlEAoJN7e322OvHc2GQ9n1+tKLi6Og4c Message-ID: <9c5a09cf-faff-adb8-9be8-cf5c35d3fbeb@gmx.de> Date: Thu, 14 Feb 2019 08:21:26 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; 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X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, netdev@vger.kernel.org, alexandre.torgue@st.com, Emiliano Ingrassia , Gpeppe.cavallaro@st.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi, i used iperf2 on my odroid c2 , since this can do duplex tests ! iperf2 -c 10.10.11.1 -i1 -d Do you really need the exact numbers ? NON-duplex: 4.14.29 reached 930 MBits without the -d ( duplex option ), 5.0rc5 only reaches 600MBits there DUPLEX: With the -d option things get worse on 4.14.29 , 600MBits in both directions. on 5.0rc5 this is the 500 to 600 in one direction, the other only 150MBits. iperf3 is not duplex capable, i didnt test the reverse option, but duplex tests show that one direction drops in performance when the other is busy. Do you really need the exact output ? I need to reflash my box then ..... if needed i would do so. regards, Simon Am 11.02.2019 um 14:44 schrieb Jose Abreu: > Hello, > > On 2/9/2019 1:09 AM, Martin Blumenstingl wrote: >> (it's interesting that the sending direction has 445 retries) > I saw this before and I think it was related with COE. Can you > please disable all offloading and try again? > > Anyway, maybe Simon should bissect ? I think since 4.14 there are > not that many commits in stmmac / meson8b-dwmac that can cause > this behavior. > > Thanks, > Jose Miguel Abreu _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic