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=-6.6 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,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 298C2C433E2 for ; Wed, 16 Sep 2020 20:08:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C5B2721655 for ; Wed, 16 Sep 2020 20:08:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="o3P3m43t" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727204AbgIPReW (ORCPT ); Wed, 16 Sep 2020 13:34:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33290 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727200AbgIPRdp (ORCPT ); Wed, 16 Sep 2020 13:33:45 -0400 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 732A2C0698DA for ; Wed, 16 Sep 2020 04:47:12 -0700 (PDT) Received: by mail-wm1-x342.google.com with SMTP id x23so2456236wmi.3 for ; Wed, 16 Sep 2020 04:47:12 -0700 (PDT) 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=o0i+CTX/ECXues9JiO+xI6budck4V25k3Bpuwl4u1MM=; b=o3P3m43tJuAq8LpYicVU76J6XJJST2/Dnv0HJxyjR08LYFePktGSIBvRxNtwbt7e+7 3qusT7waD93RI9LkPK6FPeUazwEdS1AH8bjEesY54+M2PVmLX2uYFmc4Drw+dqM1nLhT kSHaY9fB6N1JS2uvClyQEShqfmIxnxUlBHcl2WrPK9D9y/4PCB2xrT7SR46bpL4P4k/X twfcvhKNCuYzyEi/g88SQ4Y6ymUG9oZ7OCFBjdSC7kqxHVVLVMSIhYN4z14nl7aqRBnY EDoHpPJkCuhtmvjm/bACwVawzv5sXlo9+Dg03L8znoqXXnAbfSFyotSlJYkXnZ8CmZPF O2bA== 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=o0i+CTX/ECXues9JiO+xI6budck4V25k3Bpuwl4u1MM=; b=qqPt6AZbMo1Cs+7BDEDF9jfNpURlFB0ZyybKb1QHpJ6XXnwVZY6lg6GOPN1A75qmKw AnNdXXXL2c5S8VSRTJxwhs5ACE6Xvd1ZIHD1bVkgzuv+NCPx9yp3wfV/UItLh/poCO8U +eFBR12vlwvs9jFg0W8NGuBgvCN80zVjq5Dk8hG9YygOQyGCvoizXPkvLOkhaBBXRgwW I1ui8iuc5Z9V2VPXQ2g9QsCa9Zf6QcCDwYRvinVOua2YZR/mZUERsbvgU+ov9D2o8BP2 y7Q+ttjywkDZlLIATvWauq3fIG7379PTXkJ3KGl1eOKa1iqwRgseDQnHem0q6o2zIR+Y Kw2Q== X-Gm-Message-State: AOAM532pfQTJQm8ejBNoU1a1s8NOvnLxbCS2PHQPDL5SbQ5FfGQlha9x 7MgEbHRaGegNQB8lxOtPHH6+BTpaYa/ahw== X-Google-Smtp-Source: ABdhPJwjwhQauBnKUj1d8NxCBo2p7i+TWwtwEz3iejMbKphe+O0i9KapZBdO4Qdm7CB0GXoYiI+C9g== X-Received: by 2002:a7b:c4d1:: with SMTP id g17mr4133001wmk.167.1600256831178; Wed, 16 Sep 2020 04:47:11 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id z13sm32042040wro.97.2020.09.16.04.47.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Sep 2020 04:47:10 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v2 0/3] Initial trace-cmd support for ftrace uprobes Date: Wed, 16 Sep 2020 14:47:06 +0300 Message-Id: <20200916114709.291533-1-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.26.2 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 Ftrace supports uprobes - trace events on user space applications. Trace-cmd cannot configure uprobes, in order to support it this new functionality is introduced: - Function name to file offset mapping, this information is extracted from the dwarf and ELF headers in the binary file. - New options are added to "trace-cmd record" for setting a uprobe: --uprobe file:function --uprobe-ret file:function Tzvetomir Stoyanov (VMware) (3): trace-cmd: Internal refactoring of pid address map logic trace-cmd: New internal APIs for reading ELF header trace-cmd: [POC] Add support for uprobes Makefile | 10 + include/trace-cmd/trace-cmd.h | 9 + tracecmd/Makefile | 2 + tracecmd/include/trace-local.h | 49 +- tracecmd/trace-obj-debug.c | 823 +++++++++++++++++++++++++++++++++ tracecmd/trace-record.c | 193 ++++---- tracecmd/trace-uprobes.c | 221 +++++++++ tracecmd/trace-usage.c | 4 + 8 files changed, 1197 insertions(+), 114 deletions(-) create mode 100644 tracecmd/trace-obj-debug.c create mode 100644 tracecmd/trace-uprobes.c -- 2.26.2