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=-6.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 770B5C43331 for ; Thu, 5 Sep 2019 15:44:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F03F32082C for ; Thu, 5 Sep 2019 15:44:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390736AbfIEPor (ORCPT ); Thu, 5 Sep 2019 11:44:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:35754 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390525AbfIEPnn (ORCPT ); Thu, 5 Sep 2019 11:43:43 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 71C13218AE; Thu, 5 Sep 2019 15:43:43 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.92) (envelope-from ) id 1i5tvB-0007Yx-WE; Thu, 05 Sep 2019 11:43:42 -0400 Message-Id: <20190905154341.880663956@goodmis.org> User-Agent: quilt/0.65 Date: Thu, 05 Sep 2019 11:43:12 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Masami Hiramatsu Subject: [for-next][PATCH 14/25] selftests/ftrace: Add a testcase for kprobe multiprobe event References: <20190905154258.573706229@goodmis.org> MIME-Version: 1.0 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 From: Masami Hiramatsu Add a testcase for kprobe event with multi-probe. Link: http://lkml.kernel.org/r/156095692637.28024.17188971794698768977.stgit@devnote2 Signed-off-by: Masami Hiramatsu Signed-off-by: Steven Rostedt (VMware) --- .../ftrace/test.d/kprobe/kprobe_multiprobe.tc | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc new file mode 100644 index 000000000000..44494bac86d1 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc @@ -0,0 +1,35 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Create/delete multiprobe on kprobe event + +[ -f kprobe_events ] || exit_unsupported + +grep -q "Create/append/" README || exit_unsupported + +# Choose 2 symbols for target +SYM1=_do_fork +SYM2=do_exit +EVENT_NAME=kprobes/testevent + +DEF1="p:$EVENT_NAME $SYM1" +DEF2="p:$EVENT_NAME $SYM2" + +:;: "Define an event which has 2 probes" ;: +echo $DEF1 >> kprobe_events +echo $DEF2 >> kprobe_events +cat kprobe_events | grep "$DEF1" +cat kprobe_events | grep "$DEF2" + +:;: "Remove the event by name (should remove both)" ;: +echo "-:$EVENT_NAME" >> kprobe_events +test `cat kprobe_events | wc -l` -eq 0 + +:;: "Remove just 1 event" ;: +echo $DEF1 >> kprobe_events +echo $DEF2 >> kprobe_events +echo "-:$EVENT_NAME $SYM1" >> kprobe_events +! cat kprobe_events | grep "$DEF1" +cat kprobe_events | grep "$DEF2" + +:;: "Appending different type must fail" ;: +! echo "$DEF1 \$stack" >> kprobe_events -- 2.20.1