From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pf0-x232.google.com ([2607:f8b0:400e:c00::232]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1axeXZ-0002as-Kg for ath10k@lists.infradead.org; Tue, 03 May 2016 17:55:54 +0000 Received: by mail-pf0-x232.google.com with SMTP id 206so13577490pfu.0 for ; Tue, 03 May 2016 10:55:01 -0700 (PDT) Message-ID: <1462298099.5535.315.camel@edumazet-glaptop3.roam.corp.google.com> Subject: Re: [Codel] fq_codel_drop vs a udp flood From: Eric Dumazet Date: Tue, 03 May 2016 10:54:59 -0700 In-Reply-To: References: <1462125592.5535.194.camel@edumazet-glaptop3.roam.corp.google.com> <865DA393-262D-40B6-A9D3-1B978CD5F6C6@gmail.com> <7A2801D5E40DD64A85E38DF22117852CD09A181F@wdc1exchmbxp01.hq.corp.viasat.com> <7A2801D5E40DD64A85E38DF22117852CD09A1873@wdc1exchmbxp01.hq.corp.viasat.com> <1462282531.5535.307.camel@edumazet-glaptop3.roam.corp.google.com> Mime-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: Dave Taht Cc: Jonathan Morton , "Agarwal, Anil" , "codel@lists.bufferbloat.net" , ath10k , "make-wifi-fast@lists.bufferbloat.net" On Tue, 2016-05-03 at 10:37 -0700, Dave Taht wrote: > Thus far this batch drop patch is testing out beautifully. Under a > 900Mbit flood going into 100Mbit on the pcengines apu2, cpu usage for > ksoftirqd now doesn't crack 10%, where before (under > pie,pfifo,fq_codel,cake & the prior fq_codel) it went to 88% and > ultimately bad things happened, like losing routability. > > I've had it running for hours and I hardly notice it's there. > Excellent, thanks for testing it. > Performance for the normal cc controlled and/or sparse flows is > unaffected, aside from the uncontrolled flows eating their percentage > of the link. > > Nice work. Thx. This should go into -stable. > > https://patchwork.ozlabs.org/patch/617307/ > > Sigh. The RFC is past last call... It is merged : https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=9d18562a227874289fda8ca5d117d8f503f1dcca _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k