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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 BDDFDC2BA83 for ; Fri, 14 Feb 2020 14:53:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F40D2168B for ; Fri, 14 Feb 2020 14:53:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="FZFovExw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729434AbgBNOxh (ORCPT ); Fri, 14 Feb 2020 09:53:37 -0500 Received: from mail-qv1-f67.google.com ([209.85.219.67]:45929 "EHLO mail-qv1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726191AbgBNOxh (ORCPT ); Fri, 14 Feb 2020 09:53:37 -0500 Received: by mail-qv1-f67.google.com with SMTP id l14so4364948qvu.12 for ; Fri, 14 Feb 2020 06:53:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=rXX7qWQLw5iUl+Yr9TnbcnXXBJ8gV/9E4bU4j8wPzLg=; b=FZFovExwaWSG+83m3KJ6VNb/3Qpj/mH1DVy8GOmh6UGHrKw0FL4gDpBvP+GDR9M0eL 3u974bKjaM6/dAfGSkEp1ZwypLuZOfE73IX+tcPH4umifFoaONXCNmZgVmYY8TYa8ytl CHKB2lh6/9xUq0K6WQfJH8LqbKG9H9KUey7l9BxpK+Z87byIxhH1gMpFoLFFanjefkqs Z2FANM+2yBa/nKGmphblSJIx/UM5153aSz6ufzASAGucstLK60SgiMtpaC8Ko/kbRX/r gBAGYRPbZMn/mbGcyBiavgpmHHwlAZ7XNsajvckAmBakuAr0LE2QkCh9Fy4rZ292slcp oNHg== 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:references :mime-version:content-disposition:in-reply-to:user-agent; bh=rXX7qWQLw5iUl+Yr9TnbcnXXBJ8gV/9E4bU4j8wPzLg=; b=rRkdWXraUWpSfK1M1CRD/1/qFQ8zRTvnJDK38uAI7xAVbiv6Cja+vfWkYOK40bXb5K qYS6vu2+/3fciWBrHAuDtZgIWSCd3dCmw4ZG/a5Ug9MURfcaJgcW3QSe+YpGZ7bD6slU bbpDDbGKYPjp9GeP0BXjIBq21gjaFz075U5K7n9Tbdb2w6faq4yCe9cZkQexOjN3HaSI ASVUpGlCQPxFaEhcYBMChRZU2eUSOvZnHxL2z5zKrYCC+l5fQ2doOnYaaOR8Gg3vzxke XrSZZ95aGRUm1ANyVhL1opjQ+sTU23C+pVVyER8HYqaqbwJ4QLAAC79xDM7AjVvRlkl7 lcSw== X-Gm-Message-State: APjAAAX4eL96CiEPGYBIjOsYvnY668tr5PjdSXhKaGLClkstPQYA/c/J 4ufdlcg9S1rUWdOy8z4DbPeOVQ== X-Google-Smtp-Source: APXvYqzkHrLUNBZ50yV41b3XpgpOdtqCYltwJdqPIBGC27H7eH4iq9iYvMpvaEWIWp/w/lQPp8lFKg== X-Received: by 2002:a0c:fec3:: with SMTP id z3mr2393334qvs.111.1581692016483; Fri, 14 Feb 2020 06:53:36 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-142-68-57-212.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.68.57.212]) by smtp.gmail.com with ESMTPSA id t55sm3648523qte.24.2020.02.14.06.53.35 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 14 Feb 2020 06:53:35 -0800 (PST) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1j2cLX-0007UE-1f; Fri, 14 Feb 2020 10:53:35 -0400 Date: Fri, 14 Feb 2020 10:53:35 -0400 From: Jason Gunthorpe To: Jeff Kirsher Cc: davem@davemloft.net, gregkh@linuxfoundation.org, "Michael J. Ruhl" , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, Shiraz Saleem Subject: Re: [RFC PATCH v4 22/25] RDMA/irdma: Add dynamic tracing for CM Message-ID: <20200214145335.GT31668@ziepe.ca> References: <20200212191424.1715577-1-jeffrey.t.kirsher@intel.com> <20200212191424.1715577-23-jeffrey.t.kirsher@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200212191424.1715577-23-jeffrey.t.kirsher@intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, Feb 12, 2020 at 11:14:21AM -0800, Jeff Kirsher wrote: > From: "Michael J. Ruhl" > > Add dynamic tracing functionality to debug connection > management issues. We now have tracing in the core CM, why does a driver need additional tracing? Jason