From nobody Wed Dec 24 17:59:42 2025 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D79CE12E51; Fri, 22 Mar 2024 06:42:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.188 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711089723; cv=none; b=T1RmIGmdUEZ5GPnpMnrRg7u0N/lMedIXcTBIj79o4VxVf3OGkvyKBEkMewoXt7Hyj79cTKI/oltmwkIcnrktFLRt40ooQBqyi7pd/t0TqR+97Uj3Ya/X/EOLcF68DeVoMqakNHTTUaLietshw/qMvJS9YETbHCh4NNKlSNAXWHQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711089723; c=relaxed/simple; bh=PAuV3wGybOkWPg2txqBYQgpyb2BYdYoi5e0uWKeMlW0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=XPR8MaXM4qOcdUTBdGADtvciapsa3W+uVqQ0HbdvJ9vmDVVjVi1gAIg9AqqK+gKaVrQLqmXv2bOCvt07H7jXvvmFx43nWhl5SF49eFm6gjDCRaVInLV7M//DgBmEOS0JEF4IHniYG/vt4McvaKN35n6Sr8JOd7qjWTo6vzsu9jI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.48]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4V1CNR2cPVzXjQ8; Fri, 22 Mar 2024 14:39:19 +0800 (CST) Received: from canpemm500010.china.huawei.com (unknown [7.192.105.118]) by mail.maildlp.com (Postfix) with ESMTPS id A28D618007A; Fri, 22 Mar 2024 14:41:58 +0800 (CST) Received: from huawei.com (10.175.127.227) by canpemm500010.china.huawei.com (7.192.105.118) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Fri, 22 Mar 2024 14:41:58 +0800 From: Ye Bin To: , , , CC: , Subject: [PATCH v8 4/5] selftests/ftrace: add kprobe test cases for VFS type "%pd" and "%pD" Date: Fri, 22 Mar 2024 14:43:07 +0800 Message-ID: <20240322064308.284457-5-yebin10@huawei.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20240322064308.284457-1-yebin10@huawei.com> References: <20240322064308.284457-1-yebin10@huawei.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500010.china.huawei.com (7.192.105.118) Content-Type: text/plain; charset="utf-8" This patch adds test cases for new print format type "%pd/%pD".The test cas= es test the following items: 1. Test README if add "%pd/%pD" type; 2. Test "%pd" type for dput(); 3. Test "%pD" type for vfs_read(); This test case require enable CONFIG_HAVE_FUNCTION_ARG_ACCESS_API configura= tion. Signed-off-by: Ye Bin --- .../ftrace/test.d/kprobe/kprobe_args_vfs.tc | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_arg= s_vfs.tc diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_vfs.t= c b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_vfs.tc new file mode 100644 index 000000000000..21a54be6894c --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_vfs.tc @@ -0,0 +1,40 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kprobe event VFS type argument +# requires: kprobe_events "%pd/%pD":README + +: "Test argument %pd with name" +echo 'p:testprobe dput name=3D$arg1:%pd' > kprobe_events +echo 1 > events/kprobes/testprobe/enable +grep -q "1" events/kprobes/testprobe/enable +echo 0 > events/kprobes/testprobe/enable +grep "dput" trace | grep -q "enable" +echo "" > kprobe_events +echo "" > trace + +: "Test argument %pd without name" +echo 'p:testprobe dput $arg1:%pd' > kprobe_events +echo 1 > events/kprobes/testprobe/enable +grep -q "1" events/kprobes/testprobe/enable +echo 0 > events/kprobes/testprobe/enable +grep "dput" trace | grep -q "enable" +echo "" > kprobe_events +echo "" > trace + +: "Test argument %pD with name" +echo 'p:testprobe vfs_read name=3D$arg1:%pD' > kprobe_events +echo 1 > events/kprobes/testprobe/enable +grep -q "1" events/kprobes/testprobe/enable +echo 0 > events/kprobes/testprobe/enable +grep "vfs_read" trace | grep -q "enable" +echo "" > kprobe_events +echo "" > trace + +: "Test argument %pD without name" +echo 'p:testprobe vfs_read $arg1:%pD' > kprobe_events +echo 1 > events/kprobes/testprobe/enable +grep -q "1" events/kprobes/testprobe/enable +echo 0 > events/kprobes/testprobe/enable +grep "vfs_read" trace | grep -q "enable" +echo "" > kprobe_events +echo "" > trace --=20 2.31.1