From patchwork Mon Aug 3 14:47:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kalesh Singh X-Patchwork-Id: 11698289 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3045D912 for ; Mon, 3 Aug 2020 14:50:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15DB72076E for ; Mon, 3 Aug 2020 14:50:37 +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 S1727101AbgHCOrp (ORCPT ); Mon, 3 Aug 2020 10:47:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726585AbgHCOrp (ORCPT ); Mon, 3 Aug 2020 10:47:45 -0400 Received: from mail-qk1-x74a.google.com (mail-qk1-x74a.google.com [IPv6:2607:f8b0:4864:20::74a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4B74C061756 for ; Mon, 3 Aug 2020 07:47:44 -0700 (PDT) Received: by mail-qk1-x74a.google.com with SMTP id a186so10111450qke.1 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=PISUDw1ykVr57lQTIbJGqkYYGyet2u73zwCnQyhR0IG9WD63AZnBk2ZDru0XdQ8Umb pzLt4llFkytqvX+wgAt5+NCaxONgb682cnfu54F8g9kUpQjqPzXBrwIpHFmUewMrcfpl gOn5aeeg5nfvI0WbkBbCYADTbb/yWF5Su70+S0nb04wrZrsvonDDxOd6xlRjS/n1XXEZ JmV7y2fsOwJTlBy2S2/ko9rlDoNiODhkAcELCQqgwepThyHKs/E/8pDTwKzbajHFTzAy U04dL7P4GKyxpDSS3U34tHlk2+WuVFk5+RjXmEHBn6BjU2BDb6PcCqbAe/9mddZuxnlj vkEQ== X-Gm-Message-State: AOAM531L2WwX/4qyBnV9DUIX4OXrj1kJ7ZKi+pA6gMd/9QLaBieQsUyz 0eXNVxyew5gi3pT1W9BYQGIRYRuwf5yYDrMMcw== 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 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@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