From patchwork Tue Apr 25 09:16:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alan Maguire X-Patchwork-Id: 13223116 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E9A3C77B61 for ; Tue, 25 Apr 2023 09:16:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233676AbjDYJQy (ORCPT ); Tue, 25 Apr 2023 05:16:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233673AbjDYJQw (ORCPT ); Tue, 25 Apr 2023 05:16:52 -0400 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0D1C40E0; Tue, 25 Apr 2023 02:16:51 -0700 (PDT) Received: from pps.filterd (m0246632.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33P0hxHB005226; Tue, 25 Apr 2023 09:16:47 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2023-03-30; bh=sRmZ24TIDSjA4WAmXwcO6eFy6214CYNyXMb+g2Vg14E=; b=Ji4/Lbn3A25dUe3MzwNR0xP+dFBeNT6m/QGdMuQZ07/GgiGKjgu2rhSlmpkiRpYavMI0 ZtCjAYyBwj0xX4ZqNoQCGGJh+GdUWiW5AQWviihMEAwMZgBmrptBGb7WcXRU6dnpUS8s EkaxVgClxwpOg+JbNr+w8D7M5fsrLxfFuG4ruL/3om8YV+tp+htbhTiIfhXddYNIbTNv 5LUPwFtZx/+xPzU9M6m/75LKD/z5RrNqNH+nBTuvHt9lLe4tzIsQjddExRlOhw0S+YLZ eFKLqFUNr2MPGUYLIooWO+3P6BNCkj5MFXvJsTviNxUAQs7UeeyDsVfwyHJwyg3LoUGs Mg== Received: from iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta03.appoci.oracle.com [130.35.103.27]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3q476tvunb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 25 Apr 2023 09:16:47 +0000 Received: from pps.filterd (iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 33P80Rug024874; Tue, 25 Apr 2023 09:16:46 GMT Received: from pps.reinject (localhost [127.0.0.1]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3q461cdwdr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 25 Apr 2023 09:16:46 +0000 Received: from iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 33P93LCT024482; Tue, 25 Apr 2023 09:16:46 GMT Received: from myrouter.uk.oracle.com (dhcp-10-175-181-126.vpn.oracle.com [10.175.181.126]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 3q461cdwa1-3; Tue, 25 Apr 2023 09:16:45 +0000 From: Alan Maguire To: rostedt@goodmis.org, mhiramat@kernel.org Cc: corbet@lwn.net, shuah@kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Alan Maguire Subject: [PATCH tracing 2/3] selftests/ftrace: add test coverage for filter predicates Date: Tue, 25 Apr 2023 10:16:36 +0100 Message-Id: <1682414197-13173-3-git-send-email-alan.maguire@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1682414197-13173-1-git-send-email-alan.maguire@oracle.com> References: <1682414197-13173-1-git-send-email-alan.maguire@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-25_03,2023-04-21_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 suspectscore=0 malwarescore=0 mlxscore=0 spamscore=0 adultscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304250082 X-Proofpoint-GUID: 9YkwjMFnbujJcyCEW1MkI2S4_yYbcsUl X-Proofpoint-ORIG-GUID: 9YkwjMFnbujJcyCEW1MkI2S4_yYbcsUl Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org add tests verifying filter predicates work for 1/2/4/8/16 byte values and strings; use predicates at event and subsystem level. Signed-off-by: Alan Maguire --- .../selftests/ftrace/test.d/event/filter.tc | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/event/filter.tc diff --git a/tools/testing/selftests/ftrace/test.d/event/filter.tc b/tools/testing/selftests/ftrace/test.d/event/filter.tc new file mode 100644 index 000000000000..df5c93d5aa4d --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/event/filter.tc @@ -0,0 +1,62 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event tracing - enable filter predicates +# requires: set_event events/sched +# flags: + +do_reset() { + echo 0 > ${event}/enable + echo 0 > ${event}/filter + clear_trace +} + +fail() { #msg + echo $1 + exit_fail +} + +# verify filter predicates at trace event/subsys level for +# - string (prev_comm) +# - 1-byte value (common_flags) +# - 2-byte value (common_type) +# - 4-byte value (next_pid) +# - 8-byte value (prev_state) + +for event in events/sched/sched_switch events/sched +do + for filter in "prev_comm == 'ping'" \ + "common_flags != 0" \ + "common_type >= 0" \ + "next_pid > 0" \ + "prev_state != 0" + do + echo "$filter" > ${event}/filter + echo 1 > ${event}/enable + yield + count=`grep sched_switch trace|wc -l` + if [ $count -lt 1 ]; then + fail "at least one $event should be recorded for '$filter'" + fi + do_reset + done +done + +# verify '==', '!=' filter predicates for 16-byte array at event/subsys +# level + +LOCALHOST="-6 ::1" +for event in events/fib6/fib6_table_lookup events/fib6 ; do + for filter in "dst == 0x00000000000000000000000000000001" \ + "src != 0x00000000000000000000000000000001" + do + echo "$filter" > ${event}/filter + echo 1 > ${event}/enable + yield + count=`grep fib6_table_lookup trace|wc -l` + if [ $count -lt 1 ]; then + fail "at least one $event should be recorded for '$filter'" + fi + do_reset + done +done +exit 0