From patchwork Thu May 26 03:47:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Meng, Li \(Jassmine\)" X-Patchwork-Id: 576428 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 C6716C433FE for ; Thu, 26 May 2022 03:48:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344752AbiEZDsF (ORCPT ); Wed, 25 May 2022 23:48:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344087AbiEZDsD (ORCPT ); Wed, 25 May 2022 23:48:03 -0400 Received: from NAM10-BN7-obe.outbound.protection.outlook.com (mail-bn7nam10on2081.outbound.protection.outlook.com [40.107.92.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 59C01BDA3F; Wed, 25 May 2022 20:48:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=RShf8IqSuaYwshcbT7OrxSKYr90wP98e3WJ/UNU3fCEIwv4xhKYIqy77/bxqxc4I5CNOqoUKS8x01C+ae0LogaM97JfWZNaY7avfvKTSlDZb1ig+htFxsw1hToGFz40hS1VTR3a3vY7Fgg4QQtpXLmR0fupOnMuv+KXnruM4tqrja1pagajHb/KfSzJ6eYweb0I0HwOnXp8QPf5BJWnTE/NDOfeidoBbDQpVyL2ht6MfcAIPY/PH0nBIFbjGFZeZINanMore+CyEHt/eeJlmr19eoEeeBz+biqhd70gZp2OFXMwr0y7Mk5rFS9QDONHEIlh0m9WH+dudBuWoGJztKw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=vO5qBZuLSWIOcOBNYZy30RKATGOQ21c106gC7Cwnhj4=; b=mVb3wTl5c18FS+kMSeoK2ECaSELLPIsn5mXSi8jW1v7NSUOFB02syOk5SsOq6usNiR9tozc8rvGkFIXKlfyRWaRNeNkq3aAEP3/if1O8zGhjU0ES4LQzeUeTVFMIelwkQNILyVySXgMgfrfg2OSK4W67XyuuVkw5roxhi+qR9IoZgW/4OwEME/l5VpfR/ePIFWp5T9XBBh9UUaiSzwkJ4WyZ/fxSC8eQFIdcVThCYkK7hQykAECF2T8cXoXEjRyaW/man8TepVa8pOMCNC90COwiB5SqyJI4I7dMwJUyiFb71zmhjrJbbn/pveL3iBXHeRTMSkT3qez9XadwoUXn0A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=linuxfoundation.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=vO5qBZuLSWIOcOBNYZy30RKATGOQ21c106gC7Cwnhj4=; b=q6qITz5LZYxBiOypxUQP3fFQTpAoxFVezRBpFv8R2rAhA8DRYCXcomYtDeBsFFW6R5QrP7wivZ3GaqE0rAr/WWvfhqFzzNTfqiC7YTfCxw+K0dIUnyRlIQy1h7L9Fe4P29M4At5qBgKUAUSrY6RPhfC/YwGAdQGD0+70blh86Uo= Received: from MW4P221CA0020.NAMP221.PROD.OUTLOOK.COM (2603:10b6:303:8b::25) by CY4PR1201MB0119.namprd12.prod.outlook.com (2603:10b6:910:1e::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5273.19; Thu, 26 May 2022 03:47:58 +0000 Received: from CO1NAM11FT054.eop-nam11.prod.protection.outlook.com (2603:10b6:303:8b:cafe::8e) by MW4P221CA0020.outlook.office365.com (2603:10b6:303:8b::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5293.13 via Frontend Transport; Thu, 26 May 2022 03:47:57 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1NAM11FT054.mail.protection.outlook.com (10.13.174.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5293.13 via Frontend Transport; Thu, 26 May 2022 03:47:57 +0000 Received: from jasmine-meng.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 25 May 2022 22:47:53 -0500 From: Meng Li To: Shuah Khan , Huang Rui , CC: "Rafael J . Wysocki" , Nathan Fontenot , Deepak Sharma , "Alex Deucher" , Mario Limonciello , Jinzhou Su , Perry Yuan , Xiaojian Du , Viresh Kumar , Borislav Petkov , , Meng Li Subject: [V8 PATCH 3/4] selftests: amd-pstate: Add test trigger for amd-pstate driver Date: Thu, 26 May 2022 11:47:24 +0800 Message-ID: <20220526034725.1708916-4-li.meng@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220526034725.1708916-1-li.meng@amd.com> References: <20220526034725.1708916-1-li.meng@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 01882314-91e4-4d6f-935b-08da3eca8600 X-MS-TrafficTypeDiagnostic: CY4PR1201MB0119:EE_ X-Microsoft-Antispam-PRVS: 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:(13230001)(4636009)(36840700001)(46966006)(40470700004)(83380400001)(47076005)(186003)(16526019)(82310400005)(336012)(70206006)(426003)(81166007)(1076003)(36860700001)(36756003)(7696005)(6666004)(356005)(110136005)(54906003)(70586007)(40460700003)(508600001)(316002)(2906002)(2616005)(4326008)(8676002)(5660300002)(26005)(8936002)(86362001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 May 2022 03:47:57.6972 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 01882314-91e4-4d6f-935b-08da3eca8600 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: CO1NAM11FT054.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR1201MB0119 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 2319ec87f53d..975c13368286 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