From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Exner Subject: Re: 3.12.8 poor network performance x86_64 Date: Sat, 18 Jan 2014 23:46:17 +0100 Message-ID: <52DB0439.2060905@dragonslave.de> References: <52DAD66F.7080306@dragonslave.de> <20140118195026.GA15543@pd.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: Borislav Petkov Return-path: Received: from mail-ee0-f43.google.com ([74.125.83.43]:37378 "EHLO mail-ee0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751436AbaARWqV (ORCPT ); Sat, 18 Jan 2014 17:46:21 -0500 Received: by mail-ee0-f43.google.com with SMTP id c41so2728614eek.16 for ; Sat, 18 Jan 2014 14:46:20 -0800 (PST) In-Reply-To: <20140118195026.GA15543@pd.tnic> Sender: netdev-owner@vger.kernel.org List-ID: -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hi again, Am 18.01.2014 20:50, schrieb Borislav Petkov: > + netdev. Thx Am 18.01.2014 20:49, schrieb Holger Hoffst=C3=A4tte:> [This mail was al= so posted to gmane.linux.kernel.] >=20 > On Sat, 18 Jan 2014 20:30:55 +0100, Daniel Exner wrote: >=20 >> I recently upgraded the Kernel from version 3.10 to latest >> stable 3.12.8, did the usual "make oldconfig" (resulting config >> attached). >>=20 >> But now I noticed some _really_ low network performance. >=20 > Try: sysctl net.ipv4.tcp_limit_output_bytes=3D262144 Tried that. Even 10 times the value. Same effect. Is there something like that on a lower level of the network stack I might try to change? Could that be something in the cgroups layer? Should I send a dmesg or anything else? Greetings Daniel -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCgAGBQJS2wQtAAoJEPI6v6bI/QkfKakP/jsv7VG5bUuSbvXjLQklb8mY kGZvXRktpGMxHbUJe8NCLStbWcGLRoD+ilXh38e0U+icgU/f6uAa6a93cSaF+zi8 imjkyutQqAlevV3Ab3SAaSho6SsWgfTkWZ7kkFooIXU6UwIlqq41923OTpR2bXL4 qvYiYEOOO9Uzg/o0PXeV2VYcgxfnvTqRrpou3yQZK5YhLAZIHd8i9r1yqc+Un4dG 7+Ju/45YpqynX2CJVMx5kP62f9uQbdA9sEKoEkYInVtja0UGUwFXzHgy8RZLHDiM Qhy/yZTzkjR4vai4N+dx2UizGBwgBtng5IzUiXX2HGd8TOMJRBcoPaa0ZBA4CsA+ RjypqL9dOGpw1bxZ/87h9qpvjmZd3mPhb768VKXgzgdEVlp56u5rT1OQEBUju8aS Qprgtf6k1EkjJPWo3DVJrGr/Wk+k8cLASW5qm3wGS7V0k1H0EN+pw7UGvNY99kcf IllTKa6bTkKe15x1BaZjvAwFHR1Fdcdn3A+2WQwy+hha1CsjogHnbhzUjmxHDq+c 8i92oZ1nw2788/ULPKc5hK2o8C4Zsp0JVGHd4Cy4Dy6tvCLSQveDneM/2U3JvCL2 ViOdxh6LGGWFvDpe1w9x+e3QzvXYTFNEXawn/5OIEzbM1XP+VF8zIyHsLG4nNI88 +ICSvsTt86Zg8Zhm96YH =3DgsnO -----END PGP SIGNATURE-----