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Wysocki" , Viresh Kumar , Shuah Khan , "Borislav Petkov" , Ingo Molnar , CC: Deepak Sharma , Alex Deucher , Mario Limonciello , Nathan Fontenot , Jinzhou Su , Xiaojian Du , , , Huang Rui Subject: [PATCH 17/19] cpupower: add amd-pstate get data function to query the info Date: Wed, 8 Sep 2021 22:59:59 +0800 Message-ID: <20210908150001.3702552-18-ray.huang@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210908150001.3702552-1-ray.huang@amd.com> References: <20210908150001.3702552-1-ray.huang@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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: 47733560-7453-4dda-79d2-08d972d99de1 X-MS-TrafficTypeDiagnostic: BL0PR12MB4754: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:849; 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:(4636009)(136003)(396003)(376002)(39860400002)(346002)(46966006)(36840700001)(4326008)(110136005)(316002)(70206006)(86362001)(336012)(83380400001)(36756003)(47076005)(81166007)(82740400003)(356005)(70586007)(2906002)(54906003)(426003)(5660300002)(8936002)(186003)(26005)(36860700001)(82310400003)(2616005)(1076003)(478600001)(7696005)(16526019)(8676002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Sep 2021 15:02:03.0286 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 47733560-7453-4dda-79d2-08d972d99de1 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: CO1NAM11FT018.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR12MB4754 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Frequency-info needs an interface to query the current amd-pstate data. Signed-off-by: Huang Rui --- tools/power/cpupower/lib/cpufreq.c | 6 ++++++ tools/power/cpupower/lib/cpufreq.h | 13 +++++++++++++ 2 files changed, 19 insertions(+) diff --git a/tools/power/cpupower/lib/cpufreq.c b/tools/power/cpupower/lib/cpufreq.c index 37da87bdcfb1..1443080868da 100644 --- a/tools/power/cpupower/lib/cpufreq.c +++ b/tools/power/cpupower/lib/cpufreq.c @@ -810,3 +810,9 @@ int amd_pstate_boost_enabled(unsigned int cpu) return cpuinfo_max == amd_pstate_max ? 1 : 0; } + +unsigned amd_pstate_get_data(unsigned int cpu, enum amd_pstate_param param) +{ + return sysfs_cpufreq_get_one_value(cpu, + param + AMD_PSTATE_HIGHEST_PERF); +} diff --git a/tools/power/cpupower/lib/cpufreq.h b/tools/power/cpupower/lib/cpufreq.h index d54d02a7a4f4..954e72704fc0 100644 --- a/tools/power/cpupower/lib/cpufreq.h +++ b/tools/power/cpupower/lib/cpufreq.h @@ -206,6 +206,19 @@ int cpufreq_set_frequency(unsigned int cpu, int amd_pstate_boost_support(unsigned int cpu); int amd_pstate_boost_enabled(unsigned int cpu); +enum amd_pstate_param { + HIGHEST_PERF, + NOMINAL_PERF, + LOWEST_NONLINEAR_PERF, + LOWEST_PERF, + MAX_FREQ, + NOMINAL_FREQ, + LOWEST_NONLINEAR_FREQ, + MIN_FREQ, +}; + +unsigned amd_pstate_get_data(unsigned int cpu, enum amd_pstate_param param); + #ifdef __cplusplus } #endif -- 2.25.1