From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A3E1C433E1 for ; Fri, 21 Aug 2020 19:13:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C7F020738 for ; Fri, 21 Aug 2020 19:13:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="aOdD2kLA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725976AbgHUTNX (ORCPT ); Fri, 21 Aug 2020 15:13:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725801AbgHUTNW (ORCPT ); Fri, 21 Aug 2020 15:13:22 -0400 Received: from mail-oi1-x242.google.com (mail-oi1-x242.google.com [IPv6:2607:f8b0:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D139C061573 for ; Fri, 21 Aug 2020 12:13:21 -0700 (PDT) Received: by mail-oi1-x242.google.com with SMTP id k4so2440812oik.2 for ; Fri, 21 Aug 2020 12:13:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=uLq6h7zLQ4fyQdUIuiQgHNEtwi6kRgNEUIRE4gZlMOY=; b=aOdD2kLAKcRUXzxJDbv8QrZxKwmlvAa0ZdNMVUcZI3ps4QbebM5IZ69HVmcjPp3xZ6 IpOl76ZSfVY7kW2b9Xop/8r8pw0Y0v3PNegocyGvLGVxI/EvNMEL4TxXzpLPDgznZAzJ BiMk8HiBDDxJkUwr90+yNjygZeciZygfWvWkQipPWS3FRLODt5oxoLnmihQRAMy5CUbk rpseZPEn8Bh85yUfxDZ+n4G/L3extScXZ+tu/au23+9Fnw/7fuYEj99NnjKjUJC4Yin6 EwFSDieB7zyBY1gKbCgp3+TJPBPLVu7nlzmE3+rWAccA8GGtYnK60A7OaYNXVcqX8dJk C+XA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=uLq6h7zLQ4fyQdUIuiQgHNEtwi6kRgNEUIRE4gZlMOY=; b=Y3XweGCJhhHYxDmVinhDMpukRKG8dKmeNlhGB6G9nmD5jr/HJZyi5WfjNkjGAAw5ZK w7Btk8x6qScSgUXy0kwtig/ZjmAispW8P8K8Nt7cHnZo2dBZj0qu4DXiwOMyuuhVHBds Q5airvDECQ4qIMKCTDRnNA7PMOMQmQ4rx2p3jznb8CIlYi/pgMMr5nA9AOImzvLRfTxF O27FdUcs2aNNu9YlEo89SiX4k5bQH4xfoPXshkXEwgsEmNaeeaT6bpMewG+Hm+erEtKk Fo2JsVSRXw/gVo8CpAZZj9kVy24sF5IIW6TAUFKktdJ2SdP6nsyF4R3ZQN9uTMzhD3fz Km+g== X-Gm-Message-State: AOAM533cat16RRgfJeb7rQI8k9kl5dImC4SmTTMwh0D5PVtFBRb4V5vO HZr/mK0SzsuQfidvZoUOLLc= X-Google-Smtp-Source: ABdhPJxbJmB0sOI2dXwuNKrZdYoqqbIldoqiN4bF5zpBBZJNQissFxDLej9Bax8ToLrUqBwFKxDzpA== X-Received: by 2002:aca:d4d5:: with SMTP id l204mr2772513oig.70.1598037200992; Fri, 21 Aug 2020 12:13:20 -0700 (PDT) Received: from Davids-MacBook-Pro.local ([2601:284:8202:10b0:a888:bc35:d7d6:9aca]) by smtp.googlemail.com with ESMTPSA id k34sm524171otk.46.2020.08.21.12.13.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 21 Aug 2020 12:13:20 -0700 (PDT) Subject: Re: [RFC PATCH net-next 0/6] devlink: Add device metric support To: Jakub Kicinski , Ido Schimmel Cc: Florian Fainelli , netdev@vger.kernel.org, davem@davemloft.net, jiri@nvidia.com, amcohen@nvidia.com, danieller@nvidia.com, mlxsw@nvidia.com, roopa@nvidia.com, andrew@lunn.ch, vivien.didelot@gmail.com, tariqt@nvidia.com, ayal@nvidia.com, mkubecek@suse.cz, Ido Schimmel References: <20200817125059.193242-1-idosch@idosch.org> <20200818172419.5b86801b@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <58a0356d-3e15-f805-ae52-dc44f265661d@gmail.com> <20200818203501.5c51e61a@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <55e40430-a52f-f77b-0d1e-ef79386a0a53@gmail.com> <20200819091843.33ddd113@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <20200819110725.6e8744ce@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <20200820090942.55dc3182@kicinski-fedora-PC1C0HJN> <20200821103021.GA331448@shredder> <20200821095303.75e6327b@kicinski-fedora-PC1C0HJN> From: David Ahern Message-ID: <6030824c-02f9-8103-dae4-d336624fe425@gmail.com> Date: Fri, 21 Aug 2020 13:12:59 -0600 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200821095303.75e6327b@kicinski-fedora-PC1C0HJN> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 8/21/20 10:53 AM, Jakub Kicinski wrote: > How many times do I have to say that I'm not arguing against the value > of the data? > > If you open up this interface either someone will police it, or it will > become a dumpster. I am not following what you are proposing as a solution. You do not like Ido's idea of stats going through devlink, but you are not being clear on what you think is a better way. You say vxlan stats belong in the vxlan driver, but the stats do not have to be reported on particular netdevs. How then do h/w stats get exposed via vxlan code?