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cpupower-set - Online in the Cloud

Run cpupower-set in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command cpupower-set that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


cpupower-set - Set processor power related kernel or hardware configurations

SYNOPSIS


cpupower set [ -b VAL ]

DESCRIPTION


cpupower set sets kernel configurations or directly accesses hardware registers affecting
processor power saving policies.

Some options are platform wide, some affect single cores. By default values are applied on
all cores. How to modify single core configurations is described in the cpupower(1)
manpage in the --cpu option section. Whether an option affects the whole system or can be
applied to individual cores is described in the Options sections.

Use cpupower info to read out current settings and whether they are supported on the
system at all.

Options


--perf-bias, -b
Sets a register on supported Intel processore which allows software to convey its
policy for the relative importance of performance versus energy savings to the
processor.

The range of valid numbers is 0-15, where 0 is maximum performance and 15 is maximum
energy efficiency.

The processor uses this information in model-specific ways when it must select trade-
offs between performance and energy efficiency.

This policy hint does not supersede Processor Performance states (P-states) or CPU
Idle power states (C-states), but allows software to have influence where it would
otherwise be unable to express a preference.

For example, this setting may tell the hardware how aggressively or conservatively to
control frequency in the "turbo range" above the explicitly OS-controlled P-state
frequency range. It may also tell the hardware how aggressively it should enter the
OS requested C-states.

This option can be applied to individual cores only via the --cpu option, cpupower(1).

Setting the performance bias value on one CPU can modify the setting on related CPUs
as well (for example all CPUs on one socket), because of hardware restrictions. Use
cpupower -c all info -b to verify.

This options needs the msr kernel driver (CONFIG_X86_MSR) loaded.

Use cpupower-set online using onworks.net services


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