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59 lines
1.9 KiB
59 lines
1.9 KiB
# SPDX-License-Identifier: GPL-2.0-only |
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# |
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# Generic power capping sysfs interface configuration |
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# |
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menuconfig POWERCAP |
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bool "Generic powercap sysfs driver" |
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help |
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The power capping sysfs interface allows kernel subsystems to expose power |
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capping settings to user space in a consistent way. Usually, it consists |
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of multiple control types that determine which settings may be exposed and |
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power zones representing parts of the system that can be subject to power |
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capping. |
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If you want this code to be compiled in, say Y here. |
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if POWERCAP |
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# Client driver configurations go here. |
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config INTEL_RAPL_CORE |
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tristate |
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config INTEL_RAPL |
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tristate "Intel RAPL Support via MSR Interface" |
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depends on X86 && IOSF_MBI |
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select INTEL_RAPL_CORE |
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help |
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This enables support for the Intel Running Average Power Limit (RAPL) |
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technology via MSR interface, which allows power limits to be enforced |
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and monitored on modern Intel processors (Sandy Bridge and later). |
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In RAPL, the platform level settings are divided into domains for |
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fine grained control. These domains include processor package, DRAM |
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controller, CPU core (Power Plane 0), graphics uncore (Power Plane |
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1), etc. |
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config IDLE_INJECT |
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bool "Idle injection framework" |
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depends on CPU_IDLE |
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default n |
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help |
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This enables support for the idle injection framework. It |
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provides a way to force idle periods on a set of specified |
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CPUs for power capping. Idle period can be injected |
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synchronously on a set of specified CPUs or alternatively |
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on a per CPU basis. |
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config DTPM |
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bool "Power capping for Dynamic Thermal Power Management (EXPERIMENTAL)" |
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help |
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This enables support for the power capping for the dynamic |
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thermal power management userspace engine. |
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config DTPM_CPU |
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bool "Add CPU power capping based on the energy model" |
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depends on DTPM && ENERGY_MODEL |
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help |
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This enables support for CPU power limitation based on |
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energy model. |
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endif
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