From patchwork Fri Apr 28 16:38:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akanksha J N X-Patchwork-Id: 677937 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 05D05C77B61 for ; Fri, 28 Apr 2023 16:39:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346285AbjD1Qje (ORCPT ); Fri, 28 Apr 2023 12:39:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346282AbjD1Qjd (ORCPT ); Fri, 28 Apr 2023 12:39:33 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F81D5261; Fri, 28 Apr 2023 09:39:32 -0700 (PDT) Received: from pps.filterd (m0353728.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33SGbEcv000933; Fri, 28 Apr 2023 16:39:28 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : content-transfer-encoding : mime-version; s=pp1; bh=tDg7SREwELwKeN0hUns7eumwqh6Sz28roWKS9Y78LFQ=; b=Hu2LgkX0XKlmU8CfP5XoRM/rjEZSY/PRtJbqXzEAaNdua2wpm5IGdZP6+n793MuDc6RV EPUMMrvvXOG5EE7PFqT6fBFi2U2T0l8oFvnmNh2ClB4QL6aJdzZUt0tBh8CU6sekH2NF qOI/em7yYfg0hLeBrlfJeLaHGdwwK6u0N0O3vJpkbw9s5ERSey0VVoHsLGvVl+jtAFzk fQ/JZfb+92idUBTRMcMrBX3gBQ1lpRbc5CtH5XE8vkegfzQJwQcmNqOXBSFPKk6dq1F2 Y8kE+f1X6soZTq6FFH5QAI3DwWPUXXLW2s8wk7UOJOOch3Cl12hR9jyFiflwbQq6ZpQS sg== Received: from ppma02fra.de.ibm.com (47.49.7a9f.ip4.static.sl-reverse.com [159.122.73.71]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3q8h3shmx6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 Apr 2023 16:39:27 +0000 Received: from pps.filterd (ppma02fra.de.ibm.com [127.0.0.1]) by ppma02fra.de.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 33SDciNp026297; Fri, 28 Apr 2023 16:38:54 GMT Received: from smtprelay02.fra02v.mail.ibm.com ([9.218.2.226]) by ppma02fra.de.ibm.com (PPS) with ESMTPS id 3q4777312x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 Apr 2023 16:38:53 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 33SGcosh24904348 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 28 Apr 2023 16:38:50 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7757E20040; Fri, 28 Apr 2023 16:38:50 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2035320043; Fri, 28 Apr 2023 16:38:48 +0000 (GMT) Received: from li-ed75614c-32e0-11b2-a85c-ba2953069b43.ibm.com.com (unknown [9.43.42.160]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 28 Apr 2023 16:38:47 +0000 (GMT) From: Akanksha J N To: linux-kselftest@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: rostedt@goodmis.org, mhiramat@kernel.org, shuah@kernel.org, naveen.n.rao@linux.ibm.com, akanksha@linux.ibm.com Subject: [PATCH v3 0/2] selftests/ftrace: Add tests for kprobes and optimized probes Date: Fri, 28 Apr 2023 22:08:40 +0530 Message-Id: <20230428163842.95118-1-akanksha@linux.ibm.com> X-Mailer: git-send-email 2.31.1 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: tWfGNYoNCsRPueUGzuj5k3GptnDpIOYm X-Proofpoint-ORIG-GUID: tWfGNYoNCsRPueUGzuj5k3GptnDpIOYm X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 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=2023-04-28_04,2023-04-27_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 spamscore=0 bulkscore=0 priorityscore=1501 clxscore=1015 mlxlogscore=656 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304280133 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org This patchset adds a stress test for kprobes and a test for checking optimized probes. The two tests are being added based on the below discussion: https://lore.kernel.org/all/20230128101622.ce6f8e64d929e29d36b08b73@kernel.org/ kprobe_opt_types.tc is modified as per the below review comments: https://lore.kernel.org/all/1682506809.uus6y0ir3i.naveen@linux.ibm.com/#t Changelog: v3: * Add Acked-by for kprobe_insn_boundary.tc * Simplify test for optimized probe, as suggested by Masami * Add exit_unresolved to exit as unresolved in case no probe was optimized v2: * Add an explicit fork after enabling the events ( echo "forked" ) * Remove the extended test from multiple_kprobe_types.tc which adds multiple consecutive probes in a function and add it as a separate test case. * Add new test case which checks for optimized probes. Akanksha J N (2): selftests/ftrace: Add new test case which adds multiple consecutive probes in a function selftests/ftrace: Add new test case which checks for optimized probes .../test.d/kprobe/kprobe_insn_boundary.tc | 19 +++++++++++ .../ftrace/test.d/kprobe/kprobe_opt_types.tc | 34 +++++++++++++++++++ 2 files changed, 53 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_insn_boundary.tc create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_opt_types.tc