From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3wz10Y5fcszDr4R for ; Thu, 29 Jun 2017 23:36:45 +1000 (AEST) Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v5TDYTMZ038876 for ; Thu, 29 Jun 2017 09:36:43 -0400 Received: from e23smtp08.au.ibm.com (e23smtp08.au.ibm.com [202.81.31.141]) by mx0a-001b2d01.pphosted.com with ESMTP id 2bd1dt3d2j-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 29 Jun 2017 09:36:43 -0400 Received: from localhost by e23smtp08.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 29 Jun 2017 23:36:40 +1000 Received: from d23av05.au.ibm.com (d23av05.au.ibm.com [9.190.234.119]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v5TDaVc757671890 for ; Thu, 29 Jun 2017 23:36:39 +1000 Received: from d23av05.au.ibm.com (localhost [127.0.0.1]) by d23av05.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v5TDa6DL000655 for ; Thu, 29 Jun 2017 23:36:07 +1000 From: "Naveen N. Rao" To: Steven Rostedt Cc: Masami Hiramatsu , Ananth N Mavinakayanahalli , Michael Ellerman , Shuah Khan , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/4] selftests/ftrace: Add a test to probe module functions Date: Thu, 29 Jun 2017 19:05:37 +0530 In-Reply-To: References: In-Reply-To: References: Message-Id: <04c3a67eb5fe13b12725f7198ef9904f992a512a.1498742262.git.naveen.n.rao@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Add a kprobes test to ensure that we are able to add a probe on a module function using 'p :' format, without having to specify a probe name. Suggested-by: Masami Hiramatsu Acked-by: Masami Hiramatsu Signed-off-by: Naveen N. Rao --- .../testing/selftests/ftrace/test.d/kprobe/probe_module.tc | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/probe_module.tc diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/probe_module.tc b/tools/testing/selftests/ftrace/test.d/kprobe/probe_module.tc new file mode 100644 index 000000000000..ea7657041ba6 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/probe_module.tc @@ -0,0 +1,14 @@ +#!/bin/sh +# description: Kprobe dynamic event - probing module + +[ -f kprobe_events ] || exit_unsupported # this is configurable + +echo 0 > events/enable +echo > kprobe_events +export MOD=`lsmod | head -n 2 | tail -n 1 | cut -f1 -d" "` +export FUNC=`grep -m 1 ".* t .*\\[$MOD\\]" /proc/kallsyms | xargs | cut -f3 -d" "` +[ "x" != "x$MOD" -a "y" != "y$FUNC" ] || exit_untested +echo p $MOD:$FUNC > kprobe_events +grep $MOD kprobe_events +echo > kprobe_events +clear_trace -- 2.13.1