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=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 EF8E1C33C8C for ; Mon, 6 Jan 2020 15:41:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF69020731 for ; Mon, 6 Jan 2020 15:41:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FA2+e/cs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726454AbgAFPlD (ORCPT ); Mon, 6 Jan 2020 10:41:03 -0500 Received: from mail-lj1-f193.google.com ([209.85.208.193]:40801 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726296AbgAFPlD (ORCPT ); Mon, 6 Jan 2020 10:41:03 -0500 Received: by mail-lj1-f193.google.com with SMTP id u1so51343783ljk.7 for ; Mon, 06 Jan 2020 07:41:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=As8YeEiS5XexKC+s2Jer4Ug4dJFzwrMQig18s2p2bcc=; b=FA2+e/cs7FW7aY08Zgywimdb3hvtA4J3uHSXDaa3/kTbyRT9llq3sUa9uq6PuSduaA UNG2uWoxZMzI9a7WbrMYtk6JRDxSTlwVc9GbRjTLEvGQ8zpdErE1YVZrJm1ITOYndToy ZrqKuupR18NpPM75bKNEKs9KWzQSsLzDyLt5O8LZhZJfoiJCSiWtmKgEaBGrBR/8klRI nXrIUVtcn10ucTO1jjTHfpDVmkQK8JOBybYrf3juFe/XG0PxFB6uiIospjgtiR61BcQi iLPJo+cdsFIdNG19EB8AFzFZ3O/sjWgVhvP0VpqAYkgrWjCjWoALQWwGQ96HcQEFO8vv nO1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=As8YeEiS5XexKC+s2Jer4Ug4dJFzwrMQig18s2p2bcc=; b=m0Lha5cbgD/yo83jyIu1TkvIOuP6WdQK8CdtXRno3t5Z6P6WIpk7yW0fiBO0HzEgU/ p0xBdY/x0A3gUagm4hXDigq44d0r4CzuQUn7f/DDcQVdWWp/Frmg5mgNJsmNt4RaJXkJ XLgOr/J4BlnHDJ+3zF0X4BGqWKxNJ+dFnP3zJ7UXSPU1sVRy4gmSxzyjx6wvD5WldoH9 4Rl3vEn98xeYE8en5knhYpg0bBuHYTO7mZUY65njAXI8f3PKjHlAG6b4zV+VjH4ugZ8g vcg8l4uGXLdcLqJ4owxbT4wb6+ax7oKKh1ieBZ3PHEcsnJPQhThxxgIB5d26Hwyh07Ld 2vwg== X-Gm-Message-State: APjAAAU+tnuegYdKD8rFPTavR1s3+VYXMy1X8l4NMH6MR9GDzyWHMbKj VJsJh98/XeDVnRFmyFfU66pMqo8Xq0M= X-Google-Smtp-Source: APXvYqxj0YvRdeKPjF0RL8wPbSJMz8f+wVCNSsyJHmFjT0TYp/TnJIR2ydpdBarg6wy/+13Z4QNBnw== X-Received: by 2002:a2e:8954:: with SMTP id b20mr45495645ljk.27.1578325261121; Mon, 06 Jan 2020 07:41:01 -0800 (PST) Received: from oberon.eng.vmware.com ([146.247.46.5]) by smtp.gmail.com with ESMTPSA id u25sm29257677lfk.46.2020.01.06.07.40.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jan 2020 07:41:00 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v2 0/5] tracefs library Date: Mon, 6 Jan 2020 17:40:53 +0200 Message-Id: <20200106154058.60660-1-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-trace-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Add a skeleton for new library: libtracefs, providing APIs for accessing files from tracefs. The library files are added in lib/tracefs include/tracefs It is built and installed by trace-cmd targets make libs make install_libs [ v2 changes: - Fix copyright of the newly created files - Remove tracefs_write_file() API, add it as a local helper function ] Tzvetomir Stoyanov (VMware) (5): trace-cmd: Introduce libtracefs library kernel-shark: Use new tracefs library trace-cmd: New libtracefs APIs for ftrace instances trace-cmd,kernel-shark: New libtracefs APIs for ftrace events and systems trace-cmd,kernel-shark: New libtracefs APIs for loading ftrace events Makefile | 27 +- include/trace-cmd/trace-cmd.h | 21 - include/tracefs/tracefs.h | 56 +++ kernel-shark/CMakeLists.txt | 3 +- kernel-shark/build/FindTraceCmd.cmake | 30 ++ kernel-shark/src/CMakeLists.txt | 2 + kernel-shark/src/KsCaptureDialog.cpp | 4 +- kernel-shark/src/libkshark.h | 1 + lib/trace-cmd/trace-input.c | 95 ---- lib/trace-cmd/trace-output.c | 3 +- lib/trace-cmd/trace-recorder.c | 7 +- lib/trace-cmd/trace-util.c | 629 ------------------------ lib/tracefs/Makefile | 48 ++ lib/tracefs/include/tracefs-local.h | 13 + lib/tracefs/tracefs-events.c | 661 ++++++++++++++++++++++++++ lib/tracefs/tracefs-instance.c | 267 +++++++++++ lib/tracefs/tracefs-utils.c | 226 +++++++++ tracecmd/Makefile | 2 +- tracecmd/include/trace-local.h | 5 +- tracecmd/trace-check-events.c | 5 +- tracecmd/trace-list.c | 21 +- tracecmd/trace-record.c | 373 ++++++--------- tracecmd/trace-show.c | 7 +- tracecmd/trace-snapshot.c | 9 +- tracecmd/trace-stack.c | 9 +- tracecmd/trace-stat.c | 38 +- 26 files changed, 1531 insertions(+), 1031 deletions(-) create mode 100644 include/tracefs/tracefs.h create mode 100644 lib/tracefs/Makefile create mode 100644 lib/tracefs/include/tracefs-local.h create mode 100644 lib/tracefs/tracefs-events.c create mode 100644 lib/tracefs/tracefs-instance.c create mode 100644 lib/tracefs/tracefs-utils.c -- 2.24.1