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howtos:hardware:cpu_frequency_scaling [2013/12/16 23:49 (UTC)] – [Kernel Config Requirements] metaschima | howtos:hardware:cpu_frequency_scaling [2013/12/19 02:27 (UTC)] – [Kernel Config Requirements] metaschima | ||
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* x86 CPU frequency scaling drivers | * x86 CPU frequency scaling drivers | ||
* Intel P state control (X86_INTEL_PSTATE [=n])\\ This driver is mutually exclusive with CONFIG_X86_ACPI_CPUFREQ. It is a newer driver for Sandy Bridge processors and [[https:// | * Intel P state control (X86_INTEL_PSTATE [=n])\\ This driver is mutually exclusive with CONFIG_X86_ACPI_CPUFREQ. It is a newer driver for Sandy Bridge processors and [[https:// | ||
- | * Processor Clocking Control interface driver (CONFIG_X86_PCC_CPUFREQ)\\ This is only required for HP ProLiant servers, which using this interface. Otherwise, disable it. | + | * Processor Clocking Control interface driver (CONFIG_X86_PCC_CPUFREQ)\\ This is only required for HP ProLiant servers, which use this interface. Otherwise, disable it. |
* ACPI Processor P-States driver (CONFIG_X86_ACPI_CPUFREQ [=y])\\ This is the recommended driver for newer CPUs Intel (Enhanced) Speedstep enabled and AMD K10 and newer. | * ACPI Processor P-States driver (CONFIG_X86_ACPI_CPUFREQ [=y])\\ This is the recommended driver for newer CPUs Intel (Enhanced) Speedstep enabled and AMD K10 and newer. | ||
* AMD Opteron/ | * AMD Opteron/ | ||
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* Originally written by [[wiki: | * Originally written by [[wiki: | ||
* Updated by [[wiki: | * Updated by [[wiki: | ||
+ | * Descriptions of kernel options in '' | ||
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