From patchwork Wed Feb 19 16:17:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alan Maguire X-Patchwork-Id: 208772 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BF7EC34054 for ; Wed, 19 Feb 2020 16:17:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D5FD24656 for ; Wed, 19 Feb 2020 16:17:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="JFiRihx5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727259AbgBSQRw (ORCPT ); Wed, 19 Feb 2020 11:17:52 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:51002 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726875AbgBSQRv (ORCPT ); Wed, 19 Feb 2020 11:17:51 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 01JGDHTf099382; Wed, 19 Feb 2020 16:17:43 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id; s=corp-2020-01-29; bh=BNcmBhywV0DFM128D29E/9FuWa/2cPZxKTGsz7YzcAQ=; b=JFiRihx5XLYpFw5xwu4ZKZbDYNC1no12sHS4O4wwBerpzND8HlGPtLRjRJ4VUwRabnAy GCJTlUxZXZodo56CSv+kx1tFdWUWFqYH64t2+cfVif5ncvBtdUrq0r8Df7XTNsKeuh6g KEg269iNdtUK1ppzJsh/8WhVHDBCQE9Tzk4X4R3DiTn5VccymC7SYktKinj9+zlNYE/H otosaGi6cYHdhvkhkkfWRWC+9Fq8H0OZNxppIXMffIh7q8ZA6/fx/xbNnoCOmu0eqPzi y2Z07Cb/qKOxWubuzE+dJuQrEAwA0YxgpBuoWas5o9NmPTldWoY/RkCctB2wEMrNfoey vA== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 2y8udkc6g6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 19 Feb 2020 16:17:41 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 01JGCJQa017716; Wed, 19 Feb 2020 16:17:41 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3030.oracle.com with ESMTP id 2y8udasx8s-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 19 Feb 2020 16:17:41 +0000 Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 01JGHbeN019137; Wed, 19 Feb 2020 16:17:37 GMT Received: from dhcp-10-175-189-86.vpn.oracle.com (/10.175.189.86) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 19 Feb 2020 08:17:37 -0800 From: Alan Maguire To: brendanhiggins@google.com, frowand.list@gmail.com, gregkh@linuxfoundation.org, shuah@kernel.org Cc: corbet@lwn.net, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, kunit-dev@googlegroups.com, linux-doc@vger.kernel.org, Alan Maguire Subject: [PATCH v5 kunit-next 0/4] kunit: add debugfs representation to show results Date: Wed, 19 Feb 2020 16:17:06 +0000 Message-Id: <1582129030-22282-1-git-send-email-alan.maguire@oracle.com> X-Mailer: git-send-email 1.8.3.1 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9536 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxscore=0 adultscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 suspectscore=3 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002190122 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9536 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 lowpriorityscore=0 suspectscore=3 spamscore=0 priorityscore=1501 adultscore=0 mlxscore=0 clxscore=1015 malwarescore=0 mlxlogscore=999 phishscore=0 impostorscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002190122 Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org When kunit tests are run on native (i.e. non-UML) environments, the results of test execution are often intermixed with dmesg output. This patch series attempts to solve this by providing a debugfs representation of the results of the last test run, available as /sys/kernel/debug/kunit//results Changes since v4: - added suite-level log expectations to kunit log test (Brendan, patch 2) - added log expectations (of it being NULL) for case where CONFIG_KUNIT_DEBUGFS=n to kunit log test (patch 2) - added patch 3 which replaces subtest tab indentation with 4 space indentation as per TAP 14 spec (Frank, patch 3) Changes since v3: - added CONFIG_KUNIT_DEBUGFS to support conditional compilation of debugfs representation, including string logging (Frank, patch 1) - removed unneeded NULL check for test_case in kunit_suite_for_each_test_case() (Frank, patch 1) - added kunit log test to verify logging multiple strings works (Frank, patch 2) - rephrased description of results file (Frank, patch 3) Changes since v2: - updated kunit_status2str() to kunit_status_to_string() and made it static inline in include/kunit/test.h (Brendan) - added log string to struct kunit_suite and kunit_case, with log pointer in struct kunit pointing at the case log. This allows us to collect kunit_[err|info|warning]() messages at the same time as we printk() them. This solves for the most part the sharing of log messages between test execution and debugfs since we just print the suite log (which contains the test suite preamble) and the individual test logs. The only exception is the suite-level status, which we cannot store in the suite log as it would mean we'd print the suite and its status prior to the suite's results. (Brendan, patch 1) - dropped debugfs-based kunit run patch for now so as not to cause problems with tests currently under development (Brendan) - fixed doc issues with code block (Brendan, patch 3) Changes since v1: - trimmed unneeded include files in lib/kunit/debugfs.c (Greg) - renamed global debugfs functions to be prefixed with kunit_ (Greg) - removed error checking for debugfs operations (Greg) Alan Maguire (4): kunit: add debugfs /sys/kernel/debug/kunit//results display kunit: add log test kunit: subtests should be indented 4 spaces according to TAP kunit: update documentation to describe debugfs representation Documentation/dev-tools/kunit/usage.rst | 13 ++++ include/kunit/test.h | 59 ++++++++++++--- lib/kunit/Kconfig | 8 +++ lib/kunit/Makefile | 4 ++ lib/kunit/assert.c | 79 +++++++++++---------- lib/kunit/debugfs.c | 116 ++++++++++++++++++++++++++++++ lib/kunit/debugfs.h | 30 ++++++++ lib/kunit/kunit-test.c | 45 +++++++++++- lib/kunit/test.c | 122 ++++++++++++++++++++++++-------- 9 files changed, 395 insertions(+), 81 deletions(-) create mode 100644 lib/kunit/debugfs.c create mode 100644 lib/kunit/debugfs.h