From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 7C5F93B29E for ; Mon, 10 Feb 2025 05:35:54 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1739183754; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=eQEPgsf17fK8lJi2HVgwIP/WsEnuLKeO1l+EuzHzGDk=; b=i8foJb8/4ypckbCsDHNjWEODxeRpf1P44meVKGIa9yXCWY4wvgTZ89wOdinCu3pfVVx/Ih 1gSm/q8PBkFva+uV1MHGTTQ7I1S6BOOPlIYGMLaatdAlXc9nRoPDzCC9lwCV2+xXHDbRK9 w8GXM61CgZUEGScMl8obaPUQWosWPyM= Received: from mail-ej1-f69.google.com (mail-ej1-f69.google.com [209.85.218.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-307-Wa7Eiz8_N5m0geowBUz_AQ-1; Mon, 10 Feb 2025 05:35:52 -0500 X-MC-Unique: Wa7Eiz8_N5m0geowBUz_AQ-1 X-Mimecast-MFC-AGG-ID: Wa7Eiz8_N5m0geowBUz_AQ Received: by mail-ej1-f69.google.com with SMTP id a640c23a62f3a-ab7a7c8c70aso181388866b.2 for ; Mon, 10 Feb 2025 02:35:51 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739183751; x=1739788551; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=eQEPgsf17fK8lJi2HVgwIP/WsEnuLKeO1l+EuzHzGDk=; b=cYtGHqo8HviHTd7gyBLgHB/qYRL3ye5mEDRKsyzDhT+Ck1aJQLhAj0cZBaCN5YVosw CB/MJ05Y8rQVINtRSPJK96uFBycjBxUMmY4qOTUoCB0iNU9VgnOjGukstSVb1JWecLNg ITZ22H6tJkyAfwXXebetQsRZc3a1QdHA/n7pq+RVq9nbAiYJeMjE3PUWA5WAKaxqSfL+ Iqgj5FWPItvM4Fzcb4SRJzP3uT/Vr4TMRBm2gMaTz7FOAUh5ayHebqD8iwBMx8bCyDin ykUABRr7BIYGQiPgaVJwP/HbOtXkbGDlATbS6TIna5uuHf2R/yb3J5yEKolLFqqfgJ7f Ij0A== X-Gm-Message-State: AOJu0Yy0vaOZEeFYwZ4Dx6LDtmgPTIBSISX2M8MpKAxWHDvx3A/WLOix yE7VIIt6U3cX0A4CCAlyYuQFWQ+uENrz3SrQrld5QfsVd9Db8MLfGeU5kX7Z7i41xGWv1aanwuv /VGr+4heY1LdYP5sL2qHHGhwjEzaNBbLUU7EIDxMSkAY+3sbW6zaZgPkrFU0= X-Gm-Gg: ASbGncs3JUI3NGPN9SMViLp54sbZYex6KCchAaEkHRPFAhn/Ods44XYdGrKhOELZP6q ZaSHyMSqbWTL0upJkZcgtOGr4qMnESV4gEfkiAFDMHxoBlbsB1b+VLrxyEZ0b8mxZjsgB12qVxS 9agrYrBRGaVPfEazVEajpnqcDX6qMHzdRlRAdYWwpIX+2hIaejImjObTrb7It8wkg2i21njO3w9 Yst1tncWl+jikTGqkWBES0HoUKNZ4mrnVUOaDsFVxV0Y/Kaz9K7TglcPb6GmSuUzEgOBjlFUHNR LQ== X-Received: by 2002:a17:907:7293:b0:ab7:c358:2fec with SMTP id a640c23a62f3a-ab7c358318dmr322867466b.5.1739183750802; Mon, 10 Feb 2025 02:35:50 -0800 (PST) X-Google-Smtp-Source: AGHT+IFNP3UYk6xKA5+t2yU6MacL8pzKxMhYxTn6A7RGaUVGnJ3/cCgVRndq81CjO3lfDuWSwLc+Og== X-Received: by 2002:a17:907:7293:b0:ab7:c358:2fec with SMTP id a640c23a62f3a-ab7c358318dmr322865866b.5.1739183750415; Mon, 10 Feb 2025 02:35:50 -0800 (PST) Received: from alrua-x1.borgediget.toke.dk ([2a0c:4d80:42:443::2]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ab779832909sm801694466b.49.2025.02.10.02.35.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 02:35:49 -0800 (PST) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id D4251184FB80; Mon, 10 Feb 2025 11:35:48 +0100 (CET) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: Sebastian Moeller Cc: cake@lists.bufferbloat.net In-Reply-To: <564C0719-2569-4A8A-981D-35F9473F8AF2@gmx.de> References: <87bjvarvtd.fsf@toke.dk> <564C0719-2569-4A8A-981D-35F9473F8AF2@gmx.de> X-Clacks-Overhead: GNU Terry Pratchett Date: Mon, 10 Feb 2025 11:35:48 +0100 Message-ID: <875xlirssb.fsf@toke.dk> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: JzFhGLgXx4Hwv6BNHRyaRlUYJcd2fYAIIdv5GH3u56E_1739183751 X-Mimecast-Originator: redhat.com Content-Type: text/plain Subject: Re: [Cake] [NetDev-People] 0x19: Talk, mq-cake: Scaling software rate limiting across CPU cores 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: Mon, 10 Feb 2025 10:35:54 -0000 Sebastian Moeller writes: > That sounds most excellent... > > This also means that now we need cheap router hardware with > 2 NIC > queues and > 2 CPUs ;) (with ingress and egress shaping the current > state is that 2 CPUs can be utilised). Well, even if there are only 2 CPUs, the MQ version can utilise both of those in one direction, which helps for asymmetrical traffic :) > I wonder, does this work for IFBs as well or only for real hardware > NIC queues? Yup, you can specify the number of TX queues on an ifb interface when creating it (ip link add numtxqueues 2 type ifb). -Toke