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=-14.6 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 8F329C433DF for ; Mon, 3 Aug 2020 14:47:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6995D206D7 for ; Mon, 3 Aug 2020 14:47:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="NGJ+cGs/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727808AbgHCOrp (ORCPT ); Mon, 3 Aug 2020 10:47:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726276AbgHCOrp (ORCPT ); Mon, 3 Aug 2020 10:47:45 -0400 Received: from mail-qv1-xf4a.google.com (mail-qv1-xf4a.google.com [IPv6:2607:f8b0:4864:20::f4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CBCAFC06174A for ; Mon, 3 Aug 2020 07:47:44 -0700 (PDT) Received: by mail-qv1-xf4a.google.com with SMTP id r12so2190303qvx.20 for ; Mon, 03 Aug 2020 07:47:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=jSEcpjJOquc529ZwoycPhflNQKRcL97Z3GUPK/MTFhg=; b=NGJ+cGs/7Y5yanvxauvBQNlpaQtun8x5OXswBR95fjESI+Q1GyxIm26mBIJiQZlchx DnHpQPnaiAYiQeJ7fbILu6QdY5Rd11V8/qKJe4l/2w1iWVLomfjMRhY7F1HbDB+a88/v OxW7fJVYu/9qupGnZQbIDl8RQ39QYHWJjpj6Y7eEVD2A8NOnmSLcJvTqsh8RSUHTZPrm iB78LpIkLOgboZguy+rRN/6HLRUkZASiQtIdBkfmKC7u09IfxeH6wtHsiiiO6m7p/yy5 JixVWy5wqO/esbMdb7V3i86xLFulz50ivT2vhoOcOZ+NFnlgeqV1YkGRMJJ5EjFVX0il hJDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=jSEcpjJOquc529ZwoycPhflNQKRcL97Z3GUPK/MTFhg=; b=seGN8mqQn+BmqVaLnL5vQaZjrJ/w8eUCG/wRy9gsNBc8ZFI2AoSi5hMqsAwNTaNXBM OlhZxcO99jQuHidPo3yjE+r7v2vP4Ge8wIlUbHvdLbHWl2imz4Qmzu0N4+qdo0JN5Wn1 RDbJCQ+P3E3poLzuPYIjSVcgdyOp1GO9Qw0RSkd7r1b+2UKmb3zDGF1nnux3FQV1mPTd dQ9h7lV+D7L1DHleZAoxX5K1lFdCRGuCRnogr2QFm64p3ubYvoHiNvmacpM8/cmB/I7L fJ97H7tQneRqyMKke+vL1aIQ8HTBfTpaD7AEf/pN0FohR217zZu11Oe/oPwC7pjSRTxP EIfw== X-Gm-Message-State: AOAM53111xWi1g/TvaKFYhrkij9j8Ovg8VZeMWjkBGefk2qfMN/XIRzs 6/psXXb50x+3CqnOZAiI4ckxe2dEUPeWt5HEpA== X-Google-Smtp-Source: ABdhPJw7sHEqkxXBQdZEh6QBRcoghAHfysqJXJXhfAsQDkKtCR//v760mqThiImnXfcrSB5dpdxJ6/pM/TKRNguNpQ== X-Received: by 2002:ad4:4482:: with SMTP id m2mr15332118qvt.102.1596466063346; Mon, 03 Aug 2020 07:47:43 -0700 (PDT) Date: Mon, 3 Aug 2020 14:47:17 +0000 Message-Id: <20200803144719.3184138-1-kaleshsingh@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.28.0.163.g6104cc2f0b6-goog Subject: [PATCH 0/2] Per process tracking of dma buffers From: Kalesh Singh To: Jonathan Corbet , Sumit Semwal , Alexander Viro , Steven Rostedt , Ingo Molnar Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-fsdevel@vger.kernel.org, Suren Baghdasaryan , Hridya Valsaraju , Ioannis Ilkos , John Stultz , kernel-team@android.com, Kalesh Singh Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since debugfs doesn't have stable abi. This patch series enables per process accounting of dma buffers using trace events. Kalesh Singh (2): fs: Add fd_install file operation dmabuf/tracing: Add dma-buf trace events Documentation/filesystems/vfs.rst | 5 ++ drivers/dma-buf/dma-buf.c | 29 ++++++++++++ fs/file.c | 3 ++ include/linux/fs.h | 1 + include/trace/events/dma_buf.h | 77 +++++++++++++++++++++++++++++++ 5 files changed, 115 insertions(+) create mode 100644 include/trace/events/dma_buf.h -- 2.28.0.163.g6104cc2f0b6-goog