From nobody Sun May 19 06:04:57 2024 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 82A66137903; Tue, 23 Apr 2024 14:04:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713881059; cv=none; b=BeN5ulydRY0h6MkJ+aMxX30I18Nq3vfPQYaY9vD674/Ayxb4yPnuRHsMc5Yk8hCgzxQRav6DZdVci0V40mEMe8lLrkMfvmXMKujsllVXPDC9rCzHb2CSvxYu6oa6eGaOAldpQtCOjPdXj5ADVKq0D62aUm5i1ltj3H9eQ0gdCWM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713881059; c=relaxed/simple; bh=saLWC8UDzTsxgZN81v2ZZ/H9uAMBrrcZVtJooX0ATGg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jN6hvLR01q/PVsMOcHpq4GP9fBEaknfG4c4upnMEA47ClY03LNz4KsSJ3dU88kaggOxd8OOex8+0L5aV26eXvizkd+cjKQ8iJnInsVPFOLk06Y2uiQQQyjIOzvondqJDgZPO3Sj+DZC6BwG9Vn9LiP4nWuGrz3IdD2z4Tbcu3Tc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=MmvNR2v7; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="MmvNR2v7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1713881052; bh=saLWC8UDzTsxgZN81v2ZZ/H9uAMBrrcZVtJooX0ATGg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=MmvNR2v7ixBjEg8YyiM9SFQDuOrsUc2mc+YUwTc21A3Z/ISE/7/ja6XbwCzo07upR kxfU5YqyIK7c4LYq8+rqcHZTQhMF12zHeGhznqAh3kl1mA4D1+MRJkAeoMs27B6iWG AUAINiB1pGzYsMsqmqB2E0jmC87JVO12Gzfe5uYfk5XoD3oZTRaZ7KDV6FXhZISATA vsYPJgnu474dL7oRjYnES6Rz18sRD3bxEL27uWLzByBUAVRWyxu93+DG0PsfUfAW6k kd1/HqECrHnaF4M17xrvUj9Z8GletWLUk/XunWaXKms3vBTfon9xhK3Hk9apjhCvJG QTUlWDGcYnuig== Received: from [192.168.1.205] (zone.collabora.co.uk [167.235.23.81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: nfraprado) by madrid.collaboradmins.com (Postfix) with ESMTPSA id A92073782139; Tue, 23 Apr 2024 14:04:11 +0000 (UTC) From: =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= Date: Tue, 23 Apr 2024 10:03:40 -0400 Subject: [PATCH 1/3] kselftest: devices: Move discoverable devices test to subdirectory Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240423-dev-err-log-selftest-v1-1-690c1741d68b@collabora.com> References: <20240423-dev-err-log-selftest-v1-0-690c1741d68b@collabora.com> In-Reply-To: <20240423-dev-err-log-selftest-v1-0-690c1741d68b@collabora.com> To: Shuah Khan , Greg Kroah-Hartman Cc: kernel@collabora.com, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= X-Mailer: b4 0.13.0 Move the discoverable devices test to a subdirectory to allow other related tests to be added to the devices directory. Signed-off-by: N=C3=ADcolas F. R. A. Prado --- tools/testing/selftests/Makefile | = 2 +- tools/testing/selftests/devices/{ =3D> probe}/Makefile = | 2 +- .../selftests/devices/{ =3D> probe}/boards/Dell Inc.,XPS 13 9300.yaml = | 0 tools/testing/selftests/devices/{ =3D> probe}/boards/google,spherion.yaml = | 0 tools/testing/selftests/devices/{ =3D> probe}/ksft.py = | 0 .../testing/selftests/devices/{ =3D> probe}/test_discoverable_devices.py = | 0 6 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Mak= efile index c785b6256a45..55815470e94c 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -13,7 +13,7 @@ TARGETS +=3D core TARGETS +=3D cpufreq TARGETS +=3D cpu-hotplug TARGETS +=3D damon -TARGETS +=3D devices +TARGETS +=3D devices/probe TARGETS +=3D dmabuf-heaps TARGETS +=3D drivers/dma-buf TARGETS +=3D drivers/s390x/uvdevice diff --git a/tools/testing/selftests/devices/Makefile b/tools/testing/selft= ests/devices/probe/Makefile similarity index 77% rename from tools/testing/selftests/devices/Makefile rename to tools/testing/selftests/devices/probe/Makefile index ca29249b30c3..7a6eaa031cfe 100644 --- a/tools/testing/selftests/devices/Makefile +++ b/tools/testing/selftests/devices/probe/Makefile @@ -1,4 +1,4 @@ TEST_PROGS :=3D test_discoverable_devices.py TEST_FILES :=3D boards ksft.py =20 -include ../lib.mk +include ../../lib.mk diff --git a/tools/testing/selftests/devices/boards/Dell Inc.,XPS 13 9300.y= aml b/tools/testing/selftests/devices/probe/boards/Dell Inc.,XPS 13 9300.ya= ml similarity index 100% rename from tools/testing/selftests/devices/boards/Dell Inc.,XPS 13 9300.ya= ml rename to tools/testing/selftests/devices/probe/boards/Dell Inc.,XPS 13 930= 0.yaml diff --git a/tools/testing/selftests/devices/boards/google,spherion.yaml b/= tools/testing/selftests/devices/probe/boards/google,spherion.yaml similarity index 100% rename from tools/testing/selftests/devices/boards/google,spherion.yaml rename to tools/testing/selftests/devices/probe/boards/google,spherion.yaml diff --git a/tools/testing/selftests/devices/ksft.py b/tools/testing/selfte= sts/devices/probe/ksft.py similarity index 100% rename from tools/testing/selftests/devices/ksft.py rename to tools/testing/selftests/devices/probe/ksft.py diff --git a/tools/testing/selftests/devices/test_discoverable_devices.py b= /tools/testing/selftests/devices/probe/test_discoverable_devices.py similarity index 100% rename from tools/testing/selftests/devices/test_discoverable_devices.py rename to tools/testing/selftests/devices/probe/test_discoverable_devices.py --=20 2.44.0 From nobody Sun May 19 06:04:57 2024 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 4C965135414; 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Tue, 23 Apr 2024 14:04:13 +0000 (UTC) From: =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= Date: Tue, 23 Apr 2024 10:03:41 -0400 Subject: [PATCH 2/3] kselftest: Move ksft helper module to common directory Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240423-dev-err-log-selftest-v1-2-690c1741d68b@collabora.com> References: <20240423-dev-err-log-selftest-v1-0-690c1741d68b@collabora.com> In-Reply-To: <20240423-dev-err-log-selftest-v1-0-690c1741d68b@collabora.com> To: Shuah Khan , Greg Kroah-Hartman Cc: kernel@collabora.com, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= X-Mailer: b4 0.13.0 Move the ksft python module, which provides generic helpers for kselftests, to a common directory so it can be more easily shared between different tests. Signed-off-by: N=C3=ADcolas F. R. A. Prado --- tools/testing/selftests/Makefile | 1 + tools/testing/selftests/devices/probe/Makefile | 2 +- tools/testing/selftests/devices/probe/test_discoverable_devices.py | 7 +++= +++- tools/testing/selftests/{devices/probe =3D> kselftest}/ksft.py | 0 4 files changed, 8 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Mak= efile index 55815470e94c..a07ef1f473b3 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -250,6 +250,7 @@ ifdef INSTALL_PATH install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ install -m 744 kselftest/ktap_helpers.sh $(INSTALL_PATH)/kselftest/ + install -m 744 kselftest/ksft.py $(INSTALL_PATH)/kselftest/ install -m 744 run_kselftest.sh $(INSTALL_PATH)/ rm -f $(TEST_LIST) @ret=3D1; \ diff --git a/tools/testing/selftests/devices/probe/Makefile b/tools/testing= /selftests/devices/probe/Makefile index 7a6eaa031cfe..f630108c3fdf 100644 --- a/tools/testing/selftests/devices/probe/Makefile +++ b/tools/testing/selftests/devices/probe/Makefile @@ -1,4 +1,4 @@ TEST_PROGS :=3D test_discoverable_devices.py -TEST_FILES :=3D boards ksft.py +TEST_FILES :=3D boards =20 include ../../lib.mk diff --git a/tools/testing/selftests/devices/probe/test_discoverable_device= s.py b/tools/testing/selftests/devices/probe/test_discoverable_devices.py index fbae8deb593d..0a2f4902dbbf 100755 --- a/tools/testing/selftests/devices/probe/test_discoverable_devices.py +++ b/tools/testing/selftests/devices/probe/test_discoverable_devices.py @@ -15,12 +15,17 @@ # =20 import glob -import ksft import os import re import sys import yaml =20 +# Allow ksft module to be imported from different directory +this_dir =3D os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(this_dir, "../../kselftest/")) + +import ksft + pci_controllers =3D [] usb_controllers =3D [] =20 diff --git a/tools/testing/selftests/devices/probe/ksft.py b/tools/testing/= selftests/kselftest/ksft.py similarity index 100% rename from tools/testing/selftests/devices/probe/ksft.py rename to tools/testing/selftests/kselftest/ksft.py --=20 2.44.0 From nobody Sun May 19 06:04:57 2024 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 AB980137920; 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Tue, 23 Apr 2024 14:04:14 +0000 (UTC) From: =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= Date: Tue, 23 Apr 2024 10:03:42 -0400 Subject: [PATCH 3/3] kselftest: devices: Add test to detect device error logs Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240423-dev-err-log-selftest-v1-3-690c1741d68b@collabora.com> References: <20240423-dev-err-log-selftest-v1-0-690c1741d68b@collabora.com> In-Reply-To: <20240423-dev-err-log-selftest-v1-0-690c1741d68b@collabora.com> To: Shuah Khan , Greg Kroah-Hartman Cc: kernel@collabora.com, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= X-Mailer: b4 0.13.0 Log errors are the most widely used mechanism for reporting issues in the kernel. When an error is logged using the device helpers, eg dev_err(), it gets metadata attached that identifies the subsystem and device where the message is coming from. Introduce a new test that makes use of that metadata to report which devices logged errors (or more critical messages). Signed-off-by: N=C3=ADcolas F. R. A. Prado --- tools/testing/selftests/Makefile | 1 + .../testing/selftests/devices/error_logs/Makefile | 3 + .../devices/error_logs/test_device_error_logs.py | 85 ++++++++++++++++++= ++++ 3 files changed, 89 insertions(+) diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Mak= efile index a07ef1f473b3..e74da5e6e499 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -13,6 +13,7 @@ TARGETS +=3D core TARGETS +=3D cpufreq TARGETS +=3D cpu-hotplug TARGETS +=3D damon +TARGETS +=3D devices/error_logs TARGETS +=3D devices/probe TARGETS +=3D dmabuf-heaps TARGETS +=3D drivers/dma-buf diff --git a/tools/testing/selftests/devices/error_logs/Makefile b/tools/te= sting/selftests/devices/error_logs/Makefile new file mode 100644 index 000000000000..d546c3fb0a7f --- /dev/null +++ b/tools/testing/selftests/devices/error_logs/Makefile @@ -0,0 +1,3 @@ +TEST_PROGS :=3D test_device_error_logs.py + +include ../../lib.mk diff --git a/tools/testing/selftests/devices/error_logs/test_device_error_l= ogs.py b/tools/testing/selftests/devices/error_logs/test_device_error_logs.= py new file mode 100755 index 000000000000..3dd56c8ec92c --- /dev/null +++ b/tools/testing/selftests/devices/error_logs/test_device_error_logs.py @@ -0,0 +1,85 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 +# +# Copyright (c) 2024 Collabora Ltd +# +# This test checks for the presence of error (or more critical) log messag= es +# coming from devices in the kernel log. +# +# One failed test case is reported for each device that has outputted error +# logs. Devices with no errors do not produce a passing test case to avoid +# polluting the results, therefore a successful run will list 0 tests run. +# + +import glob +import os +import re +import sys + +# Allow ksft module to be imported from different directory +this_dir =3D os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(this_dir, "../../kselftest/")) + +import ksft + +kmsg =3D "/dev/kmsg" + +RE_log =3D re.compile( + r"(?P[0-9]+),(?P[0-9]+),(?P[0-9]+),(?P[^;]*)(,[^;]*)*;(?P.*)" +) +RE_tag =3D re.compile(r" (?P[^=3D]+)=3D(?P.*)") + +PREFIX_ERROR =3D 3 + +logs =3D [] +error_log_per_device =3D {} + + +def parse_kmsg(): + current_log =3D {} + + with open(kmsg) as f: + os.set_blocking(f.fileno(), False) + + for line in f: + tag_line =3D RE_tag.match(line) + log_line =3D RE_log.match(line) + + if log_line: + if current_log: + logs.append(current_log) # Save last log + + current_log =3D { + "prefix": int(log_line.group("prefix")), + "sequence": int(log_line.group("sequence")), + "timestamp": int(log_line.group("timestamp")), + "flag": log_line.group("flag"), + "message": log_line.group("message"), + } + elif tag_line: + current_log[tag_line.group("key")] =3D tag_line.group("val= ue") + + +def generate_per_device_error_log(): + for log in logs: + if log.get("DEVICE") and log["prefix"] <=3D PREFIX_ERROR: + if not error_log_per_device.get(log["DEVICE"]): + error_log_per_device[log["DEVICE"]] =3D [] + error_log_per_device[log["DEVICE"]].append(log) + + +parse_kmsg() + +generate_per_device_error_log() +num_tests =3D len(error_log_per_device) + +ksft.print_header() +ksft.set_plan(num_tests) + +for device in error_log_per_device: + for log in error_log_per_device[device]: + ksft.print_msg(log["message"]) + ksft.test_result_fail(device) +if num_tests =3D=3D 0: + ksft.print_msg("No device error logs found") +ksft.finished() --=20 2.44.0