From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt1-x82b.google.com (mail-qt1-x82b.google.com [IPv6:2607:f8b0:4864:20::82b]) (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 A92713CB35 for ; Tue, 27 Aug 2019 16:04:13 -0400 (EDT) Received: by mail-qt1-x82b.google.com with SMTP id j15so278792qtl.13 for ; Tue, 27 Aug 2019 13:04:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=KY082qgeuRGnDMr7yiCbUIqz+KKVYzFt94uEHZYqXrU=; b=tJDsJIEgpUGXKJzalhH3cw5qagPEZ9f01+v2ExpuKs+8pzSzx39hAC/FIpv/nLDMtL DhQmnDeY1fuxNWN0G6fMTBiPRnwQ2+QGp1+euOEnA1F/cbfGaCEAOJqvGqbSvvN+1PgS IyVcpwMceIJvR0xJfWFaYNFKPOw47/pF1XwGz1LuUrP8O27cSTV4UeyMjQZ8dM9GbD2C 4OqUFu3oMW3f3NXjsm0br/BWQ0yZ58NKgKvqQgODNJEM7SBIwuZwvXcZeV1shnGrEFMo jfpdXcsrirb5L2gbVQ/FD/i4EyRUhs8Y7h3HQJMuO7+xwzApEMKFW7psUtod4yJbPXKj BODg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=KY082qgeuRGnDMr7yiCbUIqz+KKVYzFt94uEHZYqXrU=; b=uIDiBbeH/1HH0csWKGE6tw1XF2a+PsJHeLlwUIA673yM2d++/AXEAEWUSIzOjTbVIQ F5zxHvCf6VwSEJv92Z8MPvotjfD0aXr3Le5vczhAvdXeHZ024jxM5FHcbiHwuITCcJxl BLhK5JaVSKXS0ygCfurbDTNVyz4zd40cIgPqDaD+SR1rOIJWUojt4TbJ9CWZQDWo1IqN TW4CEyvGOLkvtcoaDKgnOFLxtQMcnHXAwK4422JgcwUp6mWQuiAKmXHtZQcEzQ0xFxM2 j6mJe3ssJijCBUDROlc5Z697K9VAeX5L/rJxkiXm133gB11Tv9Vpc9iRB/HS2gzDGuTa bjPQ== X-Gm-Message-State: APjAAAXdnwux8W9X/PzNdiLlOrJCR7uw8VxVjTxUbL2VYM0p0RaWx5uM ivD6FgSGVNj1rZBpdAgJ4Lw+ZA== X-Google-Smtp-Source: APXvYqweaK9/oef37qLF6OfRjn/1t1nOUA3QhIWjszr7nxco24vzUx4sWB27l6wHSxGfvx9KY0rdEg== X-Received: by 2002:ac8:269a:: with SMTP id 26mr679751qto.186.1566936253064; Tue, 27 Aug 2019 13:04:13 -0700 (PDT) Received: from xps13 (pool-96-233-168-28.spfdma.east.verizon.net. [96.233.168.28]) by smtp.gmail.com with ESMTPSA id d45sm48532qtk.57.2019.08.27.13.04.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 27 Aug 2019 13:04:12 -0700 (PDT) Date: Tue, 27 Aug 2019 16:04:09 -0400 From: Stephen Hemminger To: Toke =?UTF-8?B?SMO4aWxhbmQtSsO4cmdlbnNlbg==?= Cc: bloat@lists.bufferbloat.net, cake@lists.bufferbloat.net Message-ID: <20190827160409.3c1afcc2@xps13> In-Reply-To: <87h864l6q5.fsf@toke.dk> References: <9cbefe10-b172-ae2a-0ac7-d972468eb7a2@gmail.com> <87h864l6q5.fsf@toke.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Cake] Fwd: Re: Unable to create htb tc classes more than 64K 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: Tue, 27 Aug 2019 20:04:13 -0000 On Mon, 26 Aug 2019 09:35:14 +0200 Toke H=C3=B8iland-J=C3=B8rgensen wrote: > Turns out that with the "earliest departure time" support in sched_fq, > it is now possible to write a shaper in eBPF, thus avoiding the global > qdisc lock in sched_htb. This is pretty cool, if you ask me! :) >=20 > -Toke >=20 Thanks, I may use this to revisit doing netem in eBPF (xnetem). Not having this feature was a show stopper at the time.