From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-x231.google.com (mail-qk0-x231.google.com [IPv6:2607:f8b0:400d:c09::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id EB7A53BA8E for ; Wed, 30 May 2018 16:53:45 -0400 (EDT) Received: by mail-qk0-x231.google.com with SMTP id q70-v6so6914219qke.1 for ; Wed, 30 May 2018 13:53:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=7RiC6ytiN5+eHCdzgnMIcN1/N7hpp/cQXScVfnbq6vE=; b=ibLhGIyKNvuTixMeH+4uSGo/k0pZPkxqxyagKTLUqraTzmpReDcnUaFe8Bfpt+l1tp DU9kcuccsZLQZo/3A0w7nWfEyndwJKEMXLb2scOFoEZ3j6oSux+9L6+SLJoJrHqy4fsa jbmFHQ0Ut6Jn69UUyzqPfKE0IipYksxVY/jx8kxl9gYoNrom3JLgCJ+p6X3be/pplzN9 YBEw+ctnvkytvHebs/Q7O3YZwdLt07fkqK67nBugh36e8SfjuppdrYvNhA9I+R5wucD8 JI8C5wymCmxbePTkokmooMUQK6RPhWKoMSH74e25oO9o3muN0sIGEjSD+QC/AbbLBX6W qKCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=7RiC6ytiN5+eHCdzgnMIcN1/N7hpp/cQXScVfnbq6vE=; b=t+LWh6JQO8YLwq9vVr3WSzLZUdKhEGZp36M04WrlMNDQxiRK5NCbwwFo4EzYu+/Xdg jo7myUVorZQrRb0NK6Rzc5W7eBJTHLJBWVtXcVBYWS7mRkbHk4yDiMk9mqnvxWxwpbAl WB6UOM6kTjZmoJRBF7UwWSnni9yTvJI5fgfEveNbVU9vfksrlIQKe4d1Wde7wBJJgFIc NHhbMBRfUxBKj/IxB4O3wSyNbK8WTMBeIGOk4d4lqDHD8Ucy7sz2rj9l26YPmLHvaDY4 m8BE9mv1wShk868H7tbUv30r2amiTyoCQVepbQP7yt5wfIlNYroSCht6MTIEsDqOt0tH 7pCA== X-Gm-Message-State: APt69E2MFlzWC9guQ+2z3v0bw0aP10j4gkSvCncZIEicYC7eanA1GeH7 k5HuPfayhpMPYDjs2nz3USVqWM+REO4uDWVBlr5b8Q== X-Google-Smtp-Source: ADUXVKIctpAsJjOSYSQz6NoGMenhZRjWaV3zUB3/x+sCfgPT0HtJW9KSfw6rkK6FREI+XzJYfaadiODVhPjIHZAU1Hg= X-Received: by 2002:a37:2545:: with SMTP id x66-v6mr3994378qkg.190.1527713625139; Wed, 30 May 2018 13:53:45 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:ac8:7193:0:0:0:0:0 with HTTP; Wed, 30 May 2018 13:53:44 -0700 (PDT) In-Reply-To: References: From: Dave Taht Date: Wed, 30 May 2018 13:53:44 -0700 Message-ID: To: Cake List Content-Type: text/plain; charset="UTF-8" Subject: Re: [Cake] a couple quick test runs of the v17+1 patchset X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 May 2018 20:53:46 -0000 And I was being an idiot. Using the ethernet keyword to account for the framing overhead AND shaping to 1Gbit, I got local latency results twice as good as what I can get from sch_fq, no muss, no fuss, and no loss of bandwidth vs the unshaped mode. Hardware flow control will still defeat us, but.... Summary of rrul test run 'v17-cake-1gbit-ethernet' (at 2018-05-30 20:48:14.853980): avg median # data pts Ping (ms) ICMP : 1.74 1.88 ms 347 Ping (ms) UDP BE : 879.31 2.21 ms 349 Ping (ms) UDP BK : 853.93 2.25 ms 349 Ping (ms) UDP EF : 879.93 2.21 ms 349 Ping (ms) avg : 653.73 2.13 ms 350 TCP download BE : 230.61 230.58 Mbits/s 299 TCP download BK : 230.81 230.70 Mbits/s 299 TCP download CS5 : 230.61 230.66 Mbits/s 299 TCP download EF : 230.21 230.58 Mbits/s 299 TCP download avg : 230.56 230.62 Mbits/s 300 TCP download sum : 922.24 922.48 Mbits/s 300 TCP totals : 1858.68 1859.31 Mbits/s 300 TCP upload BE : 322.47 322.56 Mbits/s 290 TCP upload BK : 57.57 57.47 Mbits/s 271 TCP upload CS5 : 322.39 322.49 Mbits/s 276 TCP upload EF : 234.01 234.18 Mbits/s 281 TCP upload avg : 234.11 234.18 Mbits/s 300 TCP upload sum : 936.44 936.72 Mbits/s 300 but the capacity estimate is still 970? qdisc cake 8017: root refcnt 2 bandwidth 1Gbit diffserv3 triple-isolate split-gso rtt 100.0ms noatm overhead 38 mpu 84 Sent 51504294511 bytes 37724591 pkt (dropped 6, overlimits 64958695 requeues 12) backlog 0b 0p requeues 12 memory used: 1053008b of 15140Kb capacity estimate: 970Mbit min/max network layer size: 28 / 1500 min/max overhead-adjusted size: 84 / 1538 average network hdr offset: 14 Bulk Best Effort Voice thresh 62500Kbit 1Gbit 250Mbit target 5.0ms 5.0ms 5.0ms interval 100.0ms 100.0ms 100.0ms pk_delay 5us 5us 6us av_delay 3us 2us 2us sp_delay 2us 1us 1us backlog 0b 0b 0b pkts 3164050 25030267 9530280 bytes 3227519915 35396974782 12879808898 way_inds 0 8 0 way_miss 21 366 25 way_cols 0 0 0 drops 5 0 1 marks 0 0 0 ack_drop 0 0 0 sp_flows 1 3 0 bk_flows 0 1 1 un_flows 0 0 0 max_len 68130 68130 68130