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Fri, 16 Jun 2023 07:11:16 -0500 From: Wyes Karny To: , CC: , , , , , , , Wyes Karny , Huang Rui Subject: [PATCH v2 5/5] cpupower: Add turbo-boost support in cpupower Date: Fri, 16 Jun 2023 12:11:01 +0000 Message-ID: <20230616121101.147706-1-wyes.karny@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230616120620.147643-1-wyes.karny@amd.com> References: <20230616120620.147643-1-wyes.karny@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-TrafficTypeDiagnostic: BN8NAM11FT035:EE_|MW4PR12MB5665:EE_ X-MS-Office365-Filtering-Correlation-Id: fec781fe-c496-4af2-5942-08db6e62cb8f 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)(136003)(39860400002)(376002)(346002)(396003)(451199021)(36840700001)(46966006)(40470700004)(26005)(1076003)(36756003)(186003)(16526019)(478600001)(40460700003)(7696005)(6666004)(40480700001)(2906002)(316002)(41300700001)(44832011)(86362001)(5660300002)(356005)(82740400003)(81166007)(8936002)(8676002)(82310400005)(83380400001)(426003)(54906003)(336012)(47076005)(2616005)(110136005)(70586007)(70206006)(4326008)(36860700001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jun 2023 12:11:20.3608 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fec781fe-c496-4af2-5942-08db6e62cb8f 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: BN8NAM11FT035.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB5665 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,URIBL_BLOCKED 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?1768864910959916797?= X-GMAIL-MSGID: =?utf-8?q?1768864910959916797?= If boost sysfs (/sys/devices/system/cpu/cpufreq/boost) file is present turbo-boost is feature is supported in the hardware. By default this feature should be enabled. But to disable/enable it write to the sysfs file. Use the same to control this feature via cpupower. To enable: cpupower set --turbo-boost 1 To disable: cpupower set --turbo-boost 0 Acked-by: Huang Rui Reviewed-by: Gautham R. Shenoy Signed-off-by: Wyes Karny Reviewed-by: Mario Limonciello --- tools/power/cpupower/utils/cpupower-set.c | 22 +++++++++++++++++++- tools/power/cpupower/utils/helpers/helpers.h | 3 +++ tools/power/cpupower/utils/helpers/misc.c | 18 ++++++++++++++++ 3 files changed, 42 insertions(+), 1 deletion(-) diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c index c2ba69b7ea54..0677b58374ab 100644 --- a/tools/power/cpupower/utils/cpupower-set.c +++ b/tools/power/cpupower/utils/cpupower-set.c @@ -20,6 +20,7 @@ static struct option set_opts[] = { {"perf-bias", required_argument, NULL, 'b'}, {"epp", required_argument, NULL, 'e'}, {"amd-pstate-mode", required_argument, NULL, 'm'}, + {"turbo-boost", required_argument, NULL, 't'}, { }, }; @@ -41,10 +42,11 @@ int cmd_set(int argc, char **argv) int perf_bias:1; int epp:1; int mode:1; + int turbo_boost:1; }; int params; } params; - int perf_bias = 0; + int perf_bias = 0, turbo_boost = 1; int ret = 0; char epp[30], mode[20]; @@ -94,6 +96,18 @@ int cmd_set(int argc, char **argv) } params.mode = 1; break; + case 't': + if (params.turbo_boost) + print_wrong_arg_exit(); + turbo_boost = atoi(optarg); + if (turbo_boost < 0 || turbo_boost > 1) { + printf("--turbo-boost param out of range [0-1]\n"); + print_wrong_arg_exit(); + } + params.turbo_boost = 1; + break; + + default: print_wrong_arg_exit(); } @@ -108,6 +122,12 @@ int cmd_set(int argc, char **argv) fprintf(stderr, "Error setting mode\n"); } + if (params.turbo_boost) { + ret = cpupower_set_turbo_boost(turbo_boost); + if (ret) + fprintf(stderr, "Error setting turbo-boost\n"); + } + /* Default is: set all CPUs */ if (bitmask_isallclear(cpus_chosen)) bitmask_setall(cpus_chosen); diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h index d35596631eef..95749b8ee475 100644 --- a/tools/power/cpupower/utils/helpers/helpers.h +++ b/tools/power/cpupower/utils/helpers/helpers.h @@ -118,6 +118,7 @@ extern unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu); extern int cpupower_set_epp(unsigned int cpu, char *epp); extern int cpupower_set_amd_pstate_mode(char *mode); +extern int cpupower_set_turbo_boost(int turbo_boost); /* Read/Write msr ****************************/ @@ -180,6 +181,8 @@ static inline int cpupower_set_epp(unsigned int cpu, char *epp) { return -1; }; static inline int cpupower_set_amd_pstate_mode(char *mode) { return -1; }; +static inline int cpupower_set_turbo_boost(int turbo_boost) +{ return -1; }; /* Read/Write msr ****************************/ diff --git a/tools/power/cpupower/utils/helpers/misc.c b/tools/power/cpupower/utils/helpers/misc.c index 9df9af8a969e..fc822a0e6b7b 100644 --- a/tools/power/cpupower/utils/helpers/misc.c +++ b/tools/power/cpupower/utils/helpers/misc.c @@ -124,6 +124,24 @@ int cpupower_set_amd_pstate_mode(char *mode) return 0; } +int cpupower_set_turbo_boost(int turbo_boost) +{ + char path[SYSFS_PATH_MAX]; + char linebuf[2] = {}; + + snprintf(path, sizeof(path), PATH_TO_CPU "cpufreq/boost"); + + if (!is_valid_path(path)) + return -1; + + snprintf(linebuf, sizeof(linebuf), "%d", turbo_boost); + + if (cpupower_write_sysfs(path, linebuf, 2) <= 0) + return -1; + + return 0; +} + bool cpupower_amd_pstate_enabled(void) { char *driver = cpufreq_get_driver(0);