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Mon, 12 Jun 2023 06:36:33 -0500 From: Wyes Karny To: , , , , CC: , , , , , Wyes Karny Subject: [PATCH 0/6] cpupower: Add various feature control support for amd_pstate Date: Mon, 12 Jun 2023 11:36:09 +0000 Message-ID: <20230612113615.205353-1-wyes.karny@amd.com> X-Mailer: git-send-email 2.34.1 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-TrafficTypeDiagnostic: BN8NAM11FT103:EE_|CY8PR12MB7220:EE_ X-MS-Office365-Filtering-Correlation-Id: b730aa93-41ef-4267-c1a7-08db6b3947e5 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:(13230028)(4636009)(376002)(346002)(396003)(39860400002)(136003)(451199021)(46966006)(40470700004)(36840700001)(40480700001)(40460700003)(110136005)(54906003)(81166007)(82740400003)(356005)(70586007)(478600001)(5660300002)(41300700001)(8936002)(8676002)(70206006)(4326008)(316002)(2616005)(426003)(16526019)(186003)(36860700001)(83380400001)(6666004)(47076005)(7696005)(1076003)(336012)(26005)(86362001)(82310400005)(44832011)(2906002)(36756003)(36900700001)(2101003);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2023 11:36:36.6135 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b730aa93-41ef-4267-c1a7-08db6b3947e5 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: BN8NAM11FT103.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7220 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1768497622206997516?= X-GMAIL-MSGID: =?utf-8?q?1768497622206997516?= In this series, three feature control support for amd_pstate has been added. 1. EPP: User can control Energy Performance Preference (EPP) value, which conveys user's performance vs energy preference to platform. This feature is present on amd_pstate and intel_pstate active mode. 2. amd_pstate mode switch: amd_pstate has various working modes such as 'active', 'passive' and 'guided', which can be changed dynamically. 3. Turbo boost: Turbo boost feature is present in amd_pstate as well as acpi-cpufreq. By default this is enabled, but user can control this feature dynamically. These features can be controlled with `cpupower set` command. The options are respectively --epp, --amd-pstate-mode, --turbo-boost Also, fix amd-pstate-epp driver name and make cpupower recognise amd-pstate-epp driver. Wyes Karny (6): amd-pstate: Make amd-pstate epp driver name hyphenated cpupower: Recognise amd-pstate active mode driver cpupower: Add is_sysfs_present API cpupower: Add EPP value change support cpupower: Add support for amd_pstate mode change cpupower: Add turbo-boost support in cpupower drivers/cpufreq/amd-pstate.c | 2 +- tools/power/cpupower/lib/cpupower.c | 7 +++ tools/power/cpupower/lib/cpupower_intern.h | 1 + tools/power/cpupower/utils/cpupower-set.c | 65 +++++++++++++++++++- tools/power/cpupower/utils/helpers/helpers.h | 11 ++++ tools/power/cpupower/utils/helpers/misc.c | 57 ++++++++++++++++- 6 files changed, 139 insertions(+), 4 deletions(-)