From: David Hunt <david.hunt@intel.com>
To: dev@dpdk.org
Cc: konstantin.ananyev@intel.com, jingjing.wu@intel.com,
David Hunt <david.hunt@intel.com>,
Nemanja Marjanovic <nemanja.marjanovic@intel.com>,
Rory Sexton <rory.sexton@intel.com>
Subject: [dpdk-dev] [PATCH v3 4/9] examples/vm_power_mgr: add scale to medium freq fn
Date: Tue, 3 Oct 2017 15:08:52 +0100 [thread overview]
Message-ID: <1507039737-170942-5-git-send-email-david.hunt@intel.com> (raw)
In-Reply-To: <1507039737-170942-1-git-send-email-david.hunt@intel.com>
Signed-off-by: Nemanja Marjanovic <nemanja.marjanovic@intel.com>
Signed-off-by: Rory Sexton <rory.sexton@intel.com>
Signed-off-by: David Hunt <david.hunt@intel.com>
---
examples/vm_power_manager/power_manager.c | 15 +++++++++++++++
examples/vm_power_manager/power_manager.h | 13 +++++++++++++
2 files changed, 28 insertions(+)
diff --git a/examples/vm_power_manager/power_manager.c b/examples/vm_power_manager/power_manager.c
index 80705f9..c021c1d 100644
--- a/examples/vm_power_manager/power_manager.c
+++ b/examples/vm_power_manager/power_manager.c
@@ -286,3 +286,18 @@ power_manager_disable_turbo_core(unsigned int core_num)
POWER_SCALE_CORE(disable_turbo, core_num, ret);
return ret;
}
+
+int
+power_manager_scale_core_med(unsigned int core_num)
+{
+ int ret = 0;
+
+ if (core_num >= POWER_MGR_MAX_CPUS)
+ return -1;
+ if (!(global_enabled_cpus & (1ULL << core_num)))
+ return -1;
+ rte_spinlock_lock(&global_core_freq_info[core_num].power_sl);
+ ret = rte_power_set_freq(core_num, 5);
+ rte_spinlock_unlock(&global_core_freq_info[core_num].power_sl);
+ return ret;
+}
diff --git a/examples/vm_power_manager/power_manager.h b/examples/vm_power_manager/power_manager.h
index b74d09b..b52fb4c 100644
--- a/examples/vm_power_manager/power_manager.h
+++ b/examples/vm_power_manager/power_manager.h
@@ -231,6 +231,19 @@ int power_manager_disable_turbo_core(unsigned int core_num);
*/
uint32_t power_manager_get_current_frequency(unsigned core_num);
+/**
+ * Scale to medium frequency for the core specified by core_num.
+ * It is thread-safe.
+ *
+ * @param core_num
+ * The core number to change frequency
+ *
+ * @return
+ * - 1 on success.
+ * - 0 if frequency not changed.
+ * - Negative on error.
+ */
+int power_manager_scale_core_med(unsigned int core_num);
#ifdef __cplusplus
}
--
2.7.4
next prev parent reply other threads:[~2017-10-03 14:46 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-22 16:11 [dpdk-dev] [PATCH v1 0/4] add per-core Turbo Boost capability David Hunt
2017-08-22 16:11 ` [dpdk-dev] [PATCH v1 1/4] lib/librte_power: add per-core turbo capability David Hunt
2017-09-13 10:44 ` [dpdk-dev] [PATCH v2 0/4] add per-core Turbo Boost capability David Hunt
2017-09-13 10:44 ` [dpdk-dev] [PATCH v2 1/4] lib/librte_power: add turbo boost API David Hunt
2017-10-03 14:08 ` [dpdk-dev] [PATCH v3 0/9] Policy Based Power Control for Guest David Hunt
2017-10-03 14:08 ` [dpdk-dev] [PATCH v3 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-03 14:08 ` [dpdk-dev] [PATCH v3 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-03 14:08 ` [dpdk-dev] [PATCH v3 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-03 14:08 ` David Hunt [this message]
2017-10-03 14:08 ` [dpdk-dev] [PATCH v3 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-03 14:08 ` [dpdk-dev] [PATCH v3 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-03 14:08 ` [dpdk-dev] [PATCH v3 7/9] power: add send channel msg function to map file David Hunt
2017-10-03 14:08 ` [dpdk-dev] [PATCH v3 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-03 14:08 ` [dpdk-dev] [PATCH v3 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-11 16:18 ` [dpdk-dev] [PATCH v9 0/9] Policy Based Power Control for Guest David Hunt
2017-10-11 16:18 ` [dpdk-dev] [PATCH v9 1/9] net/i40e: add API to convert VF MAC to VF id David Hunt
2017-10-11 16:18 ` [dpdk-dev] [PATCH v9 2/9] lib/librte_power: add extra msg type for policies David Hunt
2017-10-11 16:18 ` [dpdk-dev] [PATCH v9 3/9] examples/vm_power_mgr: add vcpu to pcpu mapping David Hunt
2017-10-11 16:18 ` [dpdk-dev] [PATCH v9 4/9] examples/vm_power_mgr: add scale to medium freq fn David Hunt
2017-10-11 16:18 ` [dpdk-dev] [PATCH v9 5/9] examples/vm_power_mgr: add policy to channels David Hunt
2017-10-11 16:18 ` [dpdk-dev] [PATCH v9 6/9] examples/vm_power_mgr: add port initialisation David Hunt
2017-10-11 16:18 ` [dpdk-dev] [PATCH v9 7/9] power: add send channel msg function to map file David Hunt
2017-10-11 16:18 ` [dpdk-dev] [PATCH v9 8/9] examples/guest_cli: add send policy to host David Hunt
2017-10-11 16:18 ` [dpdk-dev] [PATCH v9 9/9] examples/vm_power_mgr: set MAC address of VF David Hunt
2017-10-12 0:23 ` [dpdk-dev] [PATCH v9 0/9] Policy Based Power Control for Guest Ferruh Yigit
2017-09-13 10:44 ` [dpdk-dev] [PATCH v2 2/4] examples/vm_power_manager: add per-core turbo David Hunt
2017-09-13 10:44 ` [dpdk-dev] [PATCH v2 3/4] examples/vm_power_cli_guest: " David Hunt
2017-09-13 10:44 ` [dpdk-dev] [PATCH v2 4/4] doc/power: add information on per-core turbo APIs David Hunt
2017-09-18 18:20 ` Mcnamara, John
2018-02-06 12:29 ` Mcnamara, John
2017-09-22 14:36 ` [dpdk-dev] [PATCH v2 0/4] add per-core Turbo Boost capability Thomas Monjalon
2017-08-22 16:11 ` [dpdk-dev] [PATCH v1 2/4] examples/vm_power_manager: add per-core turbo David Hunt
2017-08-22 16:11 ` [dpdk-dev] [PATCH v1 3/4] examples/vm_power_cli_guest: " David Hunt
2017-08-22 16:11 ` [dpdk-dev] [PATCH v1 4/4] lib: limit turbo to particular models of CPU David Hunt
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