From patchwork Sat Nov 18 10:40:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Xiaoxu X-Patchwork-Id: 745150 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 64F0DC2BB3F for ; Sat, 18 Nov 2023 10:41:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232437AbjKRKlm (ORCPT ); Sat, 18 Nov 2023 05:41:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229449AbjKRKll (ORCPT ); Sat, 18 Nov 2023 05:41:41 -0500 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0EF410CE; Sat, 18 Nov 2023 02:41:37 -0800 (PST) Received: from mail.maildlp.com (unknown [172.19.163.235]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4SXVgb137mz4f3lfd; Sat, 18 Nov 2023 18:41:31 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id 44A8B1A0175; Sat, 18 Nov 2023 18:41:35 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.101.107]) by APP1 (Coremail) with SMTP id cCh0CgDn6hDQlFhlQPAFBQ--.58135S8; Sat, 18 Nov 2023 18:41:35 +0800 (CST) From: Zhang Xiaoxu To: zhangxiaoxu5@huawei.com, weiyongjun1@huawei.com, linux-kernel@vger.kernel.org, broonie@kernel.org, rostedt@goodmis.org, mingo@redhat.com, frowand.list@gmail.com, linux-spi@vger.kernel.org Subject: [PATCH -next 04/14] kddv/core: Check kmsg before return from test case Date: Sat, 18 Nov 2023 18:40:30 +0800 Message-Id: <20231118104040.386381-5-zhangxiaoxu@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231118104040.386381-1-zhangxiaoxu@huaweicloud.com> References: <20231118104040.386381-1-zhangxiaoxu@huaweicloud.com> MIME-Version: 1.0 X-CM-TRANSID: cCh0CgDn6hDQlFhlQPAFBQ--.58135S8 X-Coremail-Antispam: 1UD129KBjvJXoWxAw15Jry7ZF13JF1fKF48WFg_yoWrXF4xpa 1rGr43WF4xur1Skw1SkF1UuFWrWan7CF4rKrnIy34agr13Aas8Kr47t3WUXFy3urn5t39a va4vgr4jkr47XrJanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUvKb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAV Cq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0 rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0cI8IcVCY1x0267 AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAF wI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2 WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkE bVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbV WUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF 67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42 IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF 0xvEx4A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxh VjvjDU0xZFpf9x07UZo7tUUUUU= X-CM-SenderInfo: x2kd0wp0ld053x6k3tpzhluzxrxghudrp/ Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org From: Zhang Xiaoxu Check kernel message before return from test case, if bug or error in kernel message, fail the test case. Signed-off-by: Wei Yongjun Signed-off-by: Zhang Xiaoxu --- tools/testing/kddv/kddv/core/ddunit.py | 12 ++++++++ tools/testing/kddv/kddv/core/dmesg.py | 41 +++++++++++++++++++++++++ tools/testing/kddv/kddv/core/environ.py | 28 +++++++++++++++++ 3 files changed, 81 insertions(+) create mode 100755 tools/testing/kddv/kddv/core/dmesg.py create mode 100755 tools/testing/kddv/kddv/core/environ.py diff --git a/tools/testing/kddv/kddv/core/ddunit.py b/tools/testing/kddv/kddv/core/ddunit.py index fd4ab9fe048c..197300f8a6d4 100755 --- a/tools/testing/kddv/kddv/core/ddunit.py +++ b/tools/testing/kddv/kddv/core/ddunit.py @@ -10,6 +10,7 @@ import logging import unittest from .model import DriverModel +from .environ import environ logger = logging.getLogger(__name__) @@ -25,12 +26,18 @@ class DriverTest(unittest.TestCase, DriverModel): except: self.skipTest(f"Module {self.module_name} not found") self.mockup.load() + environ.setup() def tearDown(self): + environ.teardown() self.mockup.unload() self.driver.teardown() super().tearDown() + def _callTestMethod(self, method): + method() + self.assertFault() + def assertRegEqual(self, reg, data, msg=None): value = self.read_reg(reg) self.assertEqual(value, data, msg) @@ -42,3 +49,8 @@ class DriverTest(unittest.TestCase, DriverModel): def assertRegsEqual(self, reg, data, msg=None): value = self.read_regs(reg, len(data)) self.assertListEqual(value, data, msg) + + def assertFault(self): + msg = environ.check_failure() + if msg: + raise self.failureException(msg) diff --git a/tools/testing/kddv/kddv/core/dmesg.py b/tools/testing/kddv/kddv/core/dmesg.py new file mode 100755 index 000000000000..e528b6164f46 --- /dev/null +++ b/tools/testing/kddv/kddv/core/dmesg.py @@ -0,0 +1,41 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 +# +# Kernel device driver verification +# +# Copyright (C) 2022-2023 Huawei Technologies Co., Ltd +# Author: Wei Yongjun + +import re +import logging +import subprocess + +KERNEL_PANIC = [ + "BUG:", + "WARNING:", + "INFO:", + "[kK]ernel BUG", + "PANIC: double fault", + "divide error:", + "UBSAN:", + "Unable to handle kernel", + "general protection fault", +] + +logger = logging.getLogger(__name__) + +class KernelMessage(object): + + def setup(self): + subprocess.run(["/usr/bin/dmesg", "-C"]) + + def teardown(self): + subprocess.run(["/usr/bin/dmesg", "-C"]) + + def check_failure(self): + logger.debug('check kernel message') + kmsg = subprocess.check_output(["/usr/bin/dmesg", "-c"]) + regex_pattern = re.compile("|".join(KERNEL_PANIC)) + if regex_pattern.search(kmsg.decode()): + return kmsg.decode() + return None diff --git a/tools/testing/kddv/kddv/core/environ.py b/tools/testing/kddv/kddv/core/environ.py new file mode 100755 index 000000000000..d57e33a6ac6e --- /dev/null +++ b/tools/testing/kddv/kddv/core/environ.py @@ -0,0 +1,28 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 +# +# Kernel device driver verification +# +# Copyright (C) 2022-2023 Huawei Technologies Co., Ltd +# Author: Wei Yongjun + +import logging + +from .dmesg import KernelMessage + +logger = logging.getLogger(__name__) + +class Environ(object): + def __init__(self): + self.kmsg = KernelMessage() + + def setup(self): + self.kmsg.setup() + + def teardown(self): + self.kmsg.teardown() + + def check_failure(self): + return self.kmsg.check_failure() + +environ = Environ()