From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.17.22]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mout.gmx.net", Issuer "TeleSec ServerPass DE-1" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 63DE521FC53 for ; Mon, 29 Jun 2015 00:44:24 -0700 (PDT) Received: from u-089-d065.biologie.uni-tuebingen.de ([134.2.89.65]) by mail.gmx.com (mrgmx103) with ESMTPSA (Nemesis) id 0MFctN-1ZFCEq1ucf-00EcvD; Mon, 29 Jun 2015 09:44:21 +0200 Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Sebastian Moeller In-Reply-To: Date: Mon, 29 Jun 2015 09:44:30 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: References: <8B853F1C-DE5D-4F3D-88CC-CB8DA2D3E8B1@gmx.de> <04331509-F163-4184-90B4-8589073AFD62@gmx.de> <09BA156C-460D-4794-A082-33E805F3D6FD@gmx.de> <5436B48C-0803-46DA-B355-14E917A5BB37@gmx.de> To: Mikael Abrahamsson X-Mailer: Apple Mail (2.1878.6) X-Provags-ID: V03:K0:FH3KibOLih41u8ae7CWeHloVqVYeX+7X9oEGQ/FWaPu+rmZ2Ly8 4rapIlNSLUaEJ0cCUGqkhPGgPViUbhNJdUYl6oVegD5sq7zHEFcaW6RRnLxppva44tyhzpp l6XS9cUqlkHjcpGobuOgrKVu1+qzGQTvUj4mQWtci6hyTslV4pLlayzzcE0S45kgE8wJDHV QoHAGHIQ1rimmvBYDNuxg== X-UI-Out-Filterresults: notjunk:1;V01:K0:1Pk3rG2d3Fk=:Qdn6K6ANLU0g/YdVzEY3DC fyqQpV14QroBQivGCGt6ekXQZ9I22hzv1dGlP8waxuqIImQsvv9M8OU7HfqJmB9uOLtyKVZu9 guaN2+u89yyC06wb8ao27oX23bOK5+pSpH/R6guGxKLItW/Ce6bTxhXseHFJNm4JMEuOUnUlY 6j516vEqI9QWBfPpvTmKKJ1fq3FkpHPdxSEW0qLeNLZxw5zEtaw17W0xomtvo0Zdlf924nB02 E89jQt7xeAOuswtfTe/N4dm8eymI003mPdnSQOhHzPEHyrUomXQo7s9ULKU4VV21uZuBjG63A lHZsOuAgn1Ux1Ynu6fQ4mNCCrLep7rGcoumGk4oENeZEgrvcFmokhclLCD8Hp21CHTkb6Wz2Q rNifA000Nr4CAep5Qob0W3vE5G9E1/D6aC9cOpoGjcXJkc0gCajrD6XvkHqAwe9O0FQmwBRa1 RNN1bk231EjOR7UInQijef59eAMJakTyJDXYjhVRvTC92SObIpYkmRm3gs3RDlDODxLZrrk02 FfftMab50MYUcrz9m0Az7fVl4dJHVGW/KwMYLZMQ4q21Tj6sLShmcXZM3yuDTPNtfkcrlX4h0 vjW2nyBuxd/bA/YcUDFLJm5/PP1XryuGlVe585nV5KGxuYlSCvcxAGkLpBoYiYwwrdLPkkF1V F0Xm6j4yYjgaHiuVciUDIvFjhAUYA4c82yij1RC5GzxT28uI60EO84JqQwrwR0K5ZKW4= Cc: "cerowrt-devel@lists.bufferbloat.net" Subject: Re: [Cerowrt-devel] performance numbers from WRT1200AC (Re: Latest build test - new sqm-scripts seem to work; "cake overhead 40" didn't) X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Jun 2015 07:44:54 -0000 Hi Mikael, On Jun 29, 2015, at 06:58 , Mikael Abrahamsson wrote: > On Sun, 28 Jun 2015, Sebastian Moeller wrote: >=20 >> Could you post the result of: >>=20 >> cat /etc/config/sqm >>=20 >> from the router, please? And the output of >>=20 >> /etc/init.d/sqm stop ; /etc/init.d/sqm start >>=20 >> this might give me a clue where to look... >=20 > root@OpenWrt:~# cat /etc/config/sqm >=20 > config queue 'eth1' > option script 'simple.qos' > option interface 'eth0' > option qdisc_advanced '1' > option squash_dscp '0' > option squash_ingress '0' > option ingress_ecn 'ECN' > option egress_ecn 'ECN' > option qdisc_really_really_advanced '0' > option enabled '1' > option download '500000' > option upload '500000' > option qdisc 'cake' > option linklayer 'ethernet' > option overhead =9242' Ah, I see, you are still using tc=92s stab mechanism for account = of per packet overhead and link layer adjustments instead of cake=92s = (you need to check the advanced options check box in the link layer = adjustments tab, and then select =93cake=94 as the lnk layer adjustment = mechanism). >=20 > root@OpenWrt:~# /etc/init.d/sqm stop > SQM: Trying to start/stop SQM on all interfaces. > SQM: run.sh stop > SQM: /usr/lib/sqm/run.sh Stopping SQM on interface: eth0 > SQM: ifb associated with interface eth0: > SQM: trying to create new IFB: ifb4eth0 > RTNETLINK answers: File exists We can ignore this as it is cosmetic. > SQM: /usr/lib/sqm/stop.sh: Stopping eth0 > SQM: ifb associated with interface eth0: > SQM: /usr/lib/sqm/run.sh SQM qdiscs on eth0 removed > root@OpenWrt:~# /etc/init.d/sqm start > SQM: Trying to start/stop SQM on all interfaces. > SQM: /usr/lib/sqm/run.sh Queue Setup Script: /usr/lib/sqm/simple.qos > SQM: ifb associated with interface eth0: > SQM: trying to create new IFB: ifb4eth0 > RTNETLINK answers: File exists > SQM: cake > SQM: Keeping differentiated services code points (DSCP) from ingress. > SQM: STAB: stab mtu 2047 tsize 512 mpu 0 overhead 42 linklayer = ethernet Again, this is tc=92s stab mechanism and not cake=92s. But it = should not break I guess... >=20 > This command never completes. I added -x to simple.qos and the = RTNETLINK is from: >=20 > + /usr/sbin/ip link add name ifb4eth0 type ifb > RTNETLINK answers: File exists >=20 > and the last commands that execute are: >=20 > SQM: STAB: stab mtu 2047 tsize 512 mpu 0 overhead 42 linklayer = ethernet > + echo stab mtu 2047 tsize 512 mpu 0 overhead 42 linklayer ethernet > + get_cake_lla_string > + STABSTRING=3D > + [ tc_stab =3D cake -a ethernet !=3D none ] > + sqm_logger > + logger -t SQM -s This is weird, under cerowrt this works; but that call to = sqm_logger is not useful anyways, it is either repetitive or empty, so I = will just delete it Best Regards Sebastian >=20 > --=20 > Mikael Abrahamsson email: swmike@swm.pp.se