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=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 A4C9CC004C9 for ; Tue, 7 May 2019 13:55:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6C25620825 for ; Tue, 7 May 2019 13:55:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557237338; bh=vDzTqlXITUzg3T8pnIDpoEHrO2yG9pk+pTAcWYM3+PE=; h=From:To:Cc:Subject:Date:List-ID:From; b=kGNhgnf9T6L0BA2G/T7nh9DQ+04UiUcbqHgO/OeKB1CPk0XAQshy49uQo+1eLk163 Fgnjv+Nf3BSpqsIM0E9e1YvFi4XtIwdfXa9xf+jntpaQIyCiVDFPGnxF2eofnbOUPJ 1HYB5M92254WXplo2zPHLObnG/vQStS/vpIh8jWo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726857AbfEGNzh (ORCPT ); Tue, 7 May 2019 09:55:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:57022 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726295AbfEGNzg (ORCPT ); Tue, 7 May 2019 09:55:36 -0400 Received: from localhost.localdomain (NE2965lan1.rev.em-net.ne.jp [210.141.244.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E4EF3205C9; Tue, 7 May 2019 13:55:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557237336; bh=vDzTqlXITUzg3T8pnIDpoEHrO2yG9pk+pTAcWYM3+PE=; h=From:To:Cc:Subject:Date:From; b=aGlY/D2ES1sUi4/uuCnYQvFI3EzqEWySUE1xbryQMnVnXXAxkESE+iRnPSCXvp2/J yTE1V6CpDo6kmn50a4C7jeAxwHnFfk8sRt0c1mLHY0RQoaurYLWW7RxvFIVVOBsydx ALVEO9SFqxDkMcDwDMO4x2/MTWW3G899ZeGkP0NE= From: Masami Hiramatsu To: Steven Rostedt Cc: Andreas Ziegler , Masami Hiramatsu , Ingo Molnar , linux-kernel@vger.kernel.org Subject: [PATCH v3 0/3] tracing: probeevent: Fix probe argument parser and handler Date: Tue, 7 May 2019 22:55:22 +0900 Message-Id: <155723732200.9149.10482668315693777743.stgit@devnote2> X-Mailer: git-send-email 2.17.1 User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Here is the 3rd version of series to fix several bugs in probe event argument parser and handler routines. In this version I updated patch [1/3] according to Steve's comment. I got 2 issues reported by Andreas, see https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1899098.html One issue is already fixed by Andreas (Thanks!) but $comm handling issue still exists on uprobe event. [1/3] fixes it. And I found other issues around that, [2/3] is just a trivial cleanup, [3/3] fixes $comm type issue which occurs not only uprobe events but also on kprobe events. Anyway, after this series applied, $comm must be "string" type and not be an array. Thank you, --- Masami Hiramatsu (3): tracing: uprobes: Re-enable $comm support for uprobe events tracing: probeevent: Do not accumulate on ret variable tracing: probeevent: Fix to make the type of $comm string kernel/trace/trace_probe.c | 13 +++++++------ kernel/trace/trace_probe.h | 1 + kernel/trace/trace_probe_tmpl.h | 2 +- kernel/trace/trace_uprobe.c | 13 +++++++++++-- 4 files changed, 20 insertions(+), 9 deletions(-) -- Masami Hiramatsu