From patchwork Wed Apr 27 13:53:14 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: 566988 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 3D7FAC433FE for ; Wed, 27 Apr 2022 13:54:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236724AbiD0N5r (ORCPT ); Wed, 27 Apr 2022 09:57:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236813AbiD0N5p (ORCPT ); Wed, 27 Apr 2022 09:57:45 -0400 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2086.outbound.protection.outlook.com [40.107.94.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74B89140D4; Wed, 27 Apr 2022 06:54:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=GpdhOFzxY+7+kBOKpumIOGYHprUcU08IOdCSNKUQDsyY+qEjWhm5H6H36uvDPQigp/AWWwE+Ql5M4C9nWCt5h2iEHzuDN5Tnel0aQWiSL7R2rxY28jX1GXwVUX5brYoJdi1LDAOqGE59e3pPJTGVZboAjGBgAHDYlINSmV+hvCubJMTIgayKFl9PAdPQagagdczmp1H0OPuJMrhQ41n2O4W48eUXVL6Jz+qdSVQGCzWA4xE6MWlgpSsvBmyINl2zSUKxfL50dMrbi8+ONUP83z1cRIaPtxkzC1drK0XZSqPyhvY4jpgZqlFaRFMl0GsxscX7I7U8b7uGdJKN21xQKg== 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=b7srT7lEaFGAs6fK0ZhC34lSCziJ6HG8/XWOe6Mpe/s=; b=WJkSNphvBiqF321XCpPzaATf5qL5umQbLTU/8PIJ44+gBQlfvvkm2SQKLUOTuQ1sPpbDZnIb09+Hzrkyj+53/9xtBfXgg6XWuoQrsZeg3Y+D+z10irgclZIJpKo9iLWitCaqbOeCKXt77LvBuKtkm/1e+SYoIETJ2f6bzetF5u2Jkk+y4SgJkGFdaxmR6s2S3zSVtxSIzDG3PWmuqcwPaKgW8Vcq4a4D2v2ECIa3vW33TeLLJLuQKysIrfTKpt34UHzBCglmymN8GM3TsbTWDiRSHZD1NaIlOT4CT+a7ucoT6XLYBNLAk9MeeeJGUx9rXbsuk+Ps/rQZiFHy1hyKdg== 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=b7srT7lEaFGAs6fK0ZhC34lSCziJ6HG8/XWOe6Mpe/s=; b=KoNuh+baF4nyyRGhXKgWFFSl7PsUhRA/CyMgJ8IphbR2QJ6Yyt6dsalf6c40QhaZatlsAP3rAmCjcFZfGr473gJXQpjdX7Gwr+KSL5L4bHadngemjH5kEY81/tsAwqoCdzoEcXz7kAGTCwykzq0SvCG8dwjsblgny/SKiCdFOHA= Received: from BN9PR03CA0866.namprd03.prod.outlook.com (2603:10b6:408:13d::31) by DM6PR12MB3692.namprd12.prod.outlook.com (2603:10b6:5:14a::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5186.15; Wed, 27 Apr 2022 13:54:29 +0000 Received: from BN8NAM11FT045.eop-nam11.prod.protection.outlook.com (2603:10b6:408:13d:cafe::da) by BN9PR03CA0866.outlook.office365.com (2603:10b6:408:13d::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5206.13 via Frontend Transport; Wed, 27 Apr 2022 13:54:29 +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; Received: from SATLEXMB04.amd.com (165.204.84.17) by BN8NAM11FT045.mail.protection.outlook.com (10.13.177.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5206.12 via Frontend Transport; Wed, 27 Apr 2022 13:54:29 +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, 27 Apr 2022 08:54:25 -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: [PATCH V4 2/3] selftests: amd-pstate: Add test module for amd-pstate driver Date: Wed, 27 Apr 2022 21:53:14 +0800 Message-ID: <20220427135315.3447550-3-li.meng@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220427135315.3447550-1-li.meng@amd.com> References: <20220427135315.3447550-1-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: 0226f1a5-efab-497a-92e3-08da28557331 X-MS-TrafficTypeDiagnostic: DM6PR12MB3692: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)(40470700004)(36840700001)(46966006)(83380400001)(54906003)(508600001)(110136005)(70206006)(6666004)(2906002)(356005)(7696005)(1076003)(8676002)(2616005)(81166007)(316002)(86362001)(4326008)(186003)(16526019)(36756003)(47076005)(426003)(336012)(5660300002)(8936002)(26005)(82310400005)(40460700003)(30864003)(36860700001)(70586007)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Apr 2022 13:54:29.5681 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0226f1a5-efab-497a-92e3-08da28557331 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: BN8NAM11FT045.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB3692 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add amd-pstate-ut module, which is conceptually out-of-tree module and provides ways for selftests/amd-pstate driver to test various kernel module-related functionality. This module will be expected by some of selftests to be present and loaded. Signed-off-by: Meng Li --- tools/testing/selftests/Makefile | 1 + tools/testing/selftests/amd-pstate/Makefile | 9 + .../selftests/amd-pstate/amd-pstate-ut.sh | 27 ++ .../amd-pstate/amd-pstate-ut/Makefile | 20 ++ .../amd-pstate/amd-pstate-ut/amd-pstate-ut.c | 275 ++++++++++++++++++ tools/testing/selftests/amd-pstate/config | 1 + 6 files changed, 333 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/amd-pstate-ut/Makefile create mode 100644 tools/testing/selftests/amd-pstate/amd-pstate-ut/amd-pstate-ut.c 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..9e787ead6b14 --- /dev/null +++ b/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh @@ -0,0 +1,27 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +# amd-pstate-ut is a test module for testing the amd-pstate driver. +# (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 + +if ! uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ | grep -q x86; then + echo "$0 # Skipped: Test can only run on x86 architectures." + 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." + exit $ksft_skip +fi + +$(dirname $0)/../kselftest/module.sh "amd-pstate-ut" amd-pstate-ut diff --git a/tools/testing/selftests/amd-pstate/amd-pstate-ut/Makefile b/tools/testing/selftests/amd-pstate/amd-pstate-ut/Makefile new file mode 100644 index 000000000000..16e09c64369a --- /dev/null +++ b/tools/testing/selftests/amd-pstate/amd-pstate-ut/Makefile @@ -0,0 +1,20 @@ +AMD_PSTATE_UT_DIR := $(realpath $(dir $(abspath $(lastword $(MAKEFILE_LIST))))) +KDIR ?= $(abspath $(AMD_PSATE_UT_DIR)/../../../../..) + +ifeq ($(V),1) +Q = +else +Q = @ +endif + +MODULES = amd-pstate-ut.ko + +obj-m += amd-pstate-ut.o +CFLAGS_amd-pstate-ut.o = -I$(src) + +all: + +$(Q)make -C $(KDIR) M=$(AMD_PSTATE_UT_DIR) modules + +clean: + +$(Q)make -C $(KDIR) M=$(AMD_PSTATE_UT_DIR) clean + diff --git a/tools/testing/selftests/amd-pstate/amd-pstate-ut/amd-pstate-ut.c b/tools/testing/selftests/amd-pstate/amd-pstate-ut/amd-pstate-ut.c new file mode 100644 index 000000000000..ec7b5c984879 --- /dev/null +++ b/tools/testing/selftests/amd-pstate/amd-pstate-ut/amd-pstate-ut.c @@ -0,0 +1,275 @@ +// SPDX-License-Identifier: GPL-1.0-or-later +/* + * AMD Processor P-state Frequency Driver Unit Test + * + * Copyright (C) 2022 Advanced Micro Devices, Inc. All Rights Reserved. + * + * Author: Meng Li + * + * The AMD P-State Unit Test is a test module for testing the amd-pstate + * driver. 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. + * + * At present, it only implements the basic framework and some simple + * test cases. Next, 1) we will add a rst document. 2) we will add more + * test cases to improve the depth and coverage of the test. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "../../kselftest_module.h" + +#include +#include +#include +#include +#include + +#include + +/* + * Abbreviations: + * aput: used as a shortform for AMD P-State unit test. + * It helps to keep variable names smaller, simpler + */ + +KSTM_MODULE_GLOBALS(); + +/* + * Kernel module for testing the AMD P-State unit test + */ +enum aput_result { + APUT_RESULT_PASS, + APUT_RESULT_FAIL, + MAX_APUT_RESULT, +}; + +struct aput_struct { + const char *name; + void (*func)(u32 index); + enum aput_result result; +}; + +static void aput_acpi_cpc(u32 index); +static void aput_check_enabled(u32 index); +static void aput_check_perf(u32 index); +static void aput_check_freq(u32 index); + +static struct aput_struct aput_cases[] = { + {"acpi_cpc_valid", aput_acpi_cpc }, + {"check_enabled", aput_check_enabled }, + {"check_perf", aput_check_perf }, + {"check_freq", aput_check_freq } +}; + +static bool get_shared_mem(void) +{ + bool result = false; + char buf[5] = {0}; + struct file *filp = NULL; + loff_t pos = 0; + ssize_t ret; + + filp = filp_open("/sys/module/amd_pstate/parameters/shared_mem", FMODE_PREAD, 0); + if (IS_ERR(filp)) + pr_err("%s Open param file fail!\n", __func__); + else { + ret = kernel_read(filp, &buf, sizeof(buf), &pos); + if (ret < 0) + pr_err("%s ret=%ld unable to read from param file!\n", __func__, ret); + filp_close(filp, NULL); + } + + if ('Y' == *buf) + result = true; + + return result; +} + +static void aput_acpi_cpc(u32 index) +{ + if (acpi_cpc_valid()) + aput_cases[index].result = APUT_RESULT_PASS; + else + aput_cases[index].result = APUT_RESULT_FAIL; +} + +static void aput_pstate_enable(u32 index) +{ + int ret = 0; + u64 cppc_enable = 0; + + ret = rdmsrl_safe(MSR_AMD_CPPC_ENABLE, &cppc_enable); + if (ret) { + aput_cases[index].result = APUT_RESULT_FAIL; + pr_err("%s rdmsrl_safe MSR_AMD_CPPC_ENABLE ret=%d is error!\n", __func__, ret); + return; + } + if (cppc_enable) + aput_cases[index].result = APUT_RESULT_PASS; + else + aput_cases[index].result = APUT_RESULT_FAIL; +} + +/* + *Check if enabled amd pstate + */ +static void aput_check_enabled(u32 index) +{ + if (get_shared_mem()) + aput_cases[index].result = APUT_RESULT_PASS; + else + aput_pstate_enable(index); +} + +/* + * Check if the each performance values are reasonable. + * highest_perf >= nominal_perf > lowest_nonlinear_perf > lowest_perf > 0 + */ +static void aput_check_perf(u32 index) +{ + int cpu = 0, ret = 0; + u32 highest_perf = 0, nominal_perf = 0, lowest_nonlinear_perf = 0, lowest_perf = 0; + u64 cap1 = 0; + struct cppc_perf_caps cppc_perf; + struct cpufreq_policy *policy = NULL; + struct amd_cpudata *cpudata = NULL; + + highest_perf = amd_get_highest_perf(); + + for_each_possible_cpu(cpu) { + policy = cpufreq_cpu_get(cpu); + if (!policy) + break; + cpudata = policy->driver_data; + + if (get_shared_mem()) { + ret = cppc_get_perf_caps(cpu, &cppc_perf); + if (ret) { + aput_cases[index].result = APUT_RESULT_FAIL; + pr_err("%s cppc_get_perf_caps ret=%d is error!\n", __func__, ret); + return; + } + + nominal_perf = cppc_perf.nominal_perf; + lowest_nonlinear_perf = cppc_perf.lowest_nonlinear_perf; + lowest_perf = cppc_perf.lowest_perf; + } else { + ret = rdmsrl_safe_on_cpu(cpu, MSR_AMD_CPPC_CAP1, &cap1); + if (ret) { + aput_cases[index].result = APUT_RESULT_FAIL; + pr_err("%s read CPPC_CAP1 ret=%d is error!\n", __func__, ret); + return; + } + + nominal_perf = AMD_CPPC_NOMINAL_PERF(cap1); + lowest_nonlinear_perf = AMD_CPPC_LOWNONLIN_PERF(cap1); + lowest_perf = AMD_CPPC_LOWEST_PERF(cap1); + } + + if ((highest_perf != READ_ONCE(cpudata->highest_perf)) || + (nominal_perf != READ_ONCE(cpudata->nominal_perf)) || + (lowest_nonlinear_perf != READ_ONCE(cpudata->lowest_nonlinear_perf)) || + (lowest_perf != READ_ONCE(cpudata->lowest_perf))) { + aput_cases[index].result = APUT_RESULT_FAIL; + pr_err("%s cpu%d highest=%d %d nominal=%d %d lowest_nonlinear=%d %d lowest=%d %d are not equal!\n", + __func__, cpu, highest_perf, cpudata->highest_perf, + nominal_perf, cpudata->nominal_perf, + lowest_nonlinear_perf, cpudata->lowest_nonlinear_perf, + lowest_perf, cpudata->lowest_perf); + return; + } + + if (!((highest_perf >= nominal_perf) && + (nominal_perf > lowest_nonlinear_perf) && + (lowest_nonlinear_perf > lowest_perf) && + (lowest_perf > 0))) { + aput_cases[index].result = APUT_RESULT_FAIL; + pr_err("%s cpu%d highest=%d nominal=%d lowest_nonlinear=%d lowest=%d have error!\n", + __func__, cpu, highest_perf, nominal_perf, + lowest_nonlinear_perf, lowest_perf); + return; + } + } + + aput_cases[index].result = APUT_RESULT_PASS; +} + +/* + * Check if the each frequency values are reasonable. + * max_freq >= nominal_freq > lowest_nonlinear_freq > min_freq > 0 + * check max freq when set support boost mode. + */ +static void aput_check_freq(u32 index) +{ + int cpu = 0; + struct cpufreq_policy *policy = NULL; + struct amd_cpudata *cpudata = NULL; + + for_each_possible_cpu(cpu) { + policy = cpufreq_cpu_get(cpu); + if (!policy) + break; + cpudata = policy->driver_data; + + if (!((cpudata->max_freq >= cpudata->nominal_freq) && + (cpudata->nominal_freq > cpudata->lowest_nonlinear_freq) && + (cpudata->lowest_nonlinear_freq > cpudata->min_freq) && + (cpudata->min_freq > 0))) { + aput_cases[index].result = APUT_RESULT_FAIL; + pr_err("%s cpu%d max=%d nominal=%d lowest_nonlinear=%d min=%d have error!\n", + __func__, cpu, cpudata->max_freq, cpudata->nominal_freq, + cpudata->lowest_nonlinear_freq, cpudata->min_freq); + return; + } + + if (cpudata->min_freq != policy->min) { + aput_cases[index].result = APUT_RESULT_FAIL; + pr_err("%s cpu%d cpudata_min_freq=%d policy_min=%d have error!\n", + __func__, cpu, cpudata->min_freq, policy->min); + return; + } + + if (cpudata->boost_supported) { + if ((policy->max == cpudata->max_freq) || + (policy->max == cpudata->nominal_freq)) + aput_cases[index].result = APUT_RESULT_PASS; + else { + aput_cases[index].result = APUT_RESULT_FAIL; + pr_err("%s cpu%d policy_max=%d cpu_max=%d cpu_nominal=%d have error!\n", + __func__, cpu, policy->max, cpudata->max_freq, + cpudata->nominal_freq); + return; + } + } else { + aput_cases[index].result = APUT_RESULT_FAIL; + pr_err("%s cpu%d not support boost!\n", __func__, cpu); + return; + } + } +} + +static void aput_do_test_case(void) +{ + u32 i = 0, arr_size = ARRAY_SIZE(aput_cases); + + for (i = 0; i < arr_size; i++) { + pr_info("****** Begin %-5d\t %-20s\t ******\n", i+1, aput_cases[i].name); + aput_cases[i].func(i); + KSTM_CHECK_ZERO(aput_cases[i].result); + pr_info("****** End %-5d\t %-20s\t ******\n", i+1, aput_cases[i].name); + } +} + +static void __init selftest(void) +{ + aput_do_test_case(); +} + +KSTM_MODULE_LOADERS(amd_pstate_ut); +MODULE_AUTHOR("Meng Li "); +MODULE_DESCRIPTION("Unit test for AMD P-state driver"); +MODULE_LICENSE("GPL"); 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