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Wysocki" , Viresh Kumar , Shuah Khan , "Borislav Petkov" , Peter Zijlstra , Ingo Molnar , Giovanni Gherdovich , CC: Deepak Sharma , Alex Deucher , Mario Limonciello , Steven Noonan , Nathan Fontenot , Jinzhou Su , Xiaojian Du , , , Huang Rui Subject: [PATCH v3 12/21] cpufreq: amd: add amd-pstate performance attributes Date: Fri, 29 Oct 2021 21:02:32 +0800 Message-ID: <20211029130241.1984459-13-ray.huang@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211029130241.1984459-1-ray.huang@amd.com> References: <20211029130241.1984459-1-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: 58869c22-71e4-49a1-6038-08d99adc9cf1 X-MS-TrafficTypeDiagnostic: SJ0PR12MB5422: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:411; 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)(36840700001)(46966006)(70586007)(5660300002)(7696005)(426003)(8676002)(2616005)(86362001)(83380400001)(7416002)(70206006)(1076003)(36860700001)(36756003)(8936002)(186003)(336012)(6666004)(26005)(508600001)(316002)(356005)(81166007)(16526019)(4326008)(54906003)(110136005)(47076005)(82310400003)(2906002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Oct 2021 13:04:16.5753 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 58869c22-71e4-49a1-6038-08d99adc9cf1 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: BN8NAM11FT047.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB5422 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Introduce sysfs attributes to get the different level amd-pstate performances. Signed-off-by: Huang Rui --- drivers/cpufreq/amd-pstate.c | 53 ++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 8cf1e80f44e0..58ee50bf492b 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -536,14 +536,67 @@ static ssize_t show_amd_pstate_lowest_nonlinear_freq(struct cpufreq_policy *poli return sprintf(&buf[0], "%u\n", freq); } +static ssize_t show_amd_pstate_highest_perf(struct cpufreq_policy *policy, + char *buf) +{ + u32 perf; + struct amd_cpudata *cpudata = policy->driver_data; + + perf = READ_ONCE(cpudata->highest_perf); + + return sprintf(&buf[0], "%u\n", perf); +} + +static ssize_t show_amd_pstate_nominal_perf(struct cpufreq_policy *policy, + char *buf) +{ + u32 perf; + struct amd_cpudata *cpudata = policy->driver_data; + + perf = READ_ONCE(cpudata->nominal_perf); + + return sprintf(&buf[0], "%u\n", perf); +} + +static ssize_t show_amd_pstate_lowest_nonlinear_perf(struct cpufreq_policy *policy, + char *buf) +{ + u32 perf; + struct amd_cpudata *cpudata = policy->driver_data; + + perf = READ_ONCE(cpudata->lowest_nonlinear_perf); + + return sprintf(&buf[0], "%u\n", perf); +} + +static ssize_t show_amd_pstate_lowest_perf(struct cpufreq_policy *policy, + char *buf) +{ + u32 perf; + struct amd_cpudata *cpudata = policy->driver_data; + + perf = READ_ONCE(cpudata->lowest_perf); + + return sprintf(&buf[0], "%u\n", perf); +} + cpufreq_freq_attr_ro(amd_pstate_max_freq); cpufreq_freq_attr_ro(amd_pstate_nominal_freq); cpufreq_freq_attr_ro(amd_pstate_lowest_nonlinear_freq); +cpufreq_freq_attr_ro(amd_pstate_highest_perf); +cpufreq_freq_attr_ro(amd_pstate_nominal_perf); +cpufreq_freq_attr_ro(amd_pstate_lowest_nonlinear_perf); +cpufreq_freq_attr_ro(amd_pstate_lowest_perf); + static struct freq_attr *amd_pstate_attr[] = { &amd_pstate_max_freq, &amd_pstate_nominal_freq, &amd_pstate_lowest_nonlinear_freq, + &amd_pstate_highest_perf, + &amd_pstate_nominal_perf, + &amd_pstate_lowest_nonlinear_perf, + &amd_pstate_lowest_perf, NULL, }; -- 2.25.1