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Wysocki" , Nathan Fontenot , Deepak Sharma , "Alex Deucher" , Mario Limonciello , Jinzhou Su , Perry Yuan , Xiaojian Du , Viresh Kumar , Borislav Petkov , , Meng Li Subject: [RESEND PATCH 3/4] selftests: amd-pstate: Add test trigger for amd-pstate driver Date: Wed, 17 Aug 2022 11:46:29 +0800 Message-ID: <20220817034630.1172065-4-li.meng@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220817034630.1172065-1-li.meng@amd.com> References: <20220817034630.1172065-1-li.meng@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 7bfdd9bf-d0cc-4f7d-165d-08da80037d7c X-MS-TrafficTypeDiagnostic: BY5PR12MB4131:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230016)(4636009)(136003)(376002)(39860400002)(396003)(346002)(36840700001)(46966006)(40470700004)(336012)(47076005)(54906003)(2616005)(1076003)(40480700001)(6666004)(186003)(86362001)(7696005)(36860700001)(36756003)(26005)(83380400001)(110136005)(40460700003)(82310400005)(316002)(16526019)(4326008)(426003)(41300700001)(70206006)(2906002)(70586007)(478600001)(5660300002)(81166007)(356005)(82740400003)(8676002)(8936002)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Aug 2022 03:49:30.4262 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7bfdd9bf-d0cc-4f7d-165d-08da80037d7c X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT085.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4131 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add amd-pstate test trigger in kselftest, it will load/unload amd-pstate-ut module to test some cases etc. Signed-off-by: Meng Li Acked-by: Huang Rui Reviewed-by: Shuah Khan --- tools/testing/selftests/Makefile | 1 + tools/testing/selftests/amd-pstate/Makefile | 9 +++ .../selftests/amd-pstate/amd-pstate-ut.sh | 55 +++++++++++++++++++ tools/testing/selftests/amd-pstate/config | 1 + 4 files changed, 66 insertions(+) create mode 100644 tools/testing/selftests/amd-pstate/Makefile create mode 100755 tools/testing/selftests/amd-pstate/amd-pstate-ut.sh create mode 100644 tools/testing/selftests/amd-pstate/config diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 10b34bb03bc1..02b4f3477eae 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 TARGETS += alsa +TARGETS += amd-pstate TARGETS += arm64 TARGETS += bpf TARGETS += breakpoints diff --git a/tools/testing/selftests/amd-pstate/Makefile b/tools/testing/selftests/amd-pstate/Makefile new file mode 100644 index 000000000000..199867f44b32 --- /dev/null +++ b/tools/testing/selftests/amd-pstate/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0-only +# Makefile for amd-pstate/ function selftests + +# No binaries, but make sure arg-less "make" doesn't trigger "run_tests" +all: + +TEST_PROGS := amd-pstate-ut.sh + +include ../lib.mk diff --git a/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh b/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh new file mode 100755 index 000000000000..273364650285 --- /dev/null +++ b/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh @@ -0,0 +1,55 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +# amd-pstate-ut is a test module for testing the amd-pstate driver. +# It can only run on x86 architectures and current cpufreq driver +# must be amd-pstate. +# (1) It can help all users to verify their processor support +# (SBIOS/Firmware or Hardware). +# (2) Kernel can have a basic function test to avoid the kernel +# regression during the update. +# (3) We can introduce more functional or performance tests to align +# the result together, it will benefit power and performance scale optimization. + +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +# amd-pstate-ut only run on x86/x86_64 AMD systems. +ARCH=$(uname -m 2>/dev/null | sed -e 's/i.86/x86/' -e 's/x86_64/x86/') +VENDOR=$(cat /proc/cpuinfo | grep -m 1 'vendor_id' | awk '{print $NF}') + +if ! echo "$ARCH" | grep -q x86; then + echo "$0 # Skipped: Test can only run on x86 architectures." + exit $ksft_skip +fi + +if ! echo "$VENDOR" | grep -iq amd; then + echo "$0 # Skipped: Test can only run on AMD CPU." + echo "$0 # Current cpu vendor is $VENDOR." + exit $ksft_skip +fi + +scaling_driver=$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_driver) +if [ "$scaling_driver" != "amd-pstate" ]; then + echo "$0 # Skipped: Test can only run on amd-pstate driver." + echo "$0 # Current cpufreq scaling drvier is $scaling_driver." + exit $ksft_skip +fi + +msg="Skip all tests:" +if [ ! -w /dev ]; then + echo $msg please run this as root >&2 + exit $ksft_skip +fi + +if ! /sbin/modprobe -q -n amd-pstate-ut; then + echo "amd-pstate-ut: module amd-pstate-ut is not found [SKIP]" + exit $ksft_skip +fi +if /sbin/modprobe -q amd-pstate-ut; then + /sbin/modprobe -q -r amd-pstate-ut + echo "amd-pstate-ut: ok" +else + echo "amd-pstate-ut: [FAIL]" + exit 1 +fi diff --git a/tools/testing/selftests/amd-pstate/config b/tools/testing/selftests/amd-pstate/config new file mode 100644 index 000000000000..f43103c9adc4 --- /dev/null +++ b/tools/testing/selftests/amd-pstate/config @@ -0,0 +1 @@ +CONFIG_X86_AMD_PSTATE_UT=m