intel_gpu_frequency - Online in the Cloud

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PROGRAM:

NAME


intel_gpu_frequency: - manual page for intel_gpu_frequency

SYNOPSIS


intel_gpu_frequency [-e] [--min | --max] [-g] [-s frequency_mhz]

DESCRIPTION


A program to manipulate Intel GPU frequencies. Intel GPUs will automatically throttle the
frequencies based on system demands, up when needed, down when not. This tool should only
be used for debugging performance problems, or trying to get a stable frequency while
benchmarking.

Intel GPUs only accept specific frequencies. The tool may, or may not attempt to adjust
requests to the proper frequency if they aren't correct. This may lead to non-obvious
failures when setting frequency. Multiples of 50MHz is usually a safe bet.

OPTIONS


-e Lock frequency to the most efficient frequency

-g, --get
Get all the current frequency settings

-s, --set
Lock frequency to an absolute value (MHz)

-c, --custom
Set a min, or max frequency "min=X | max=Y"

-m --max
Lock frequency to max frequency

-i --min
Lock frequency to min (never a good idea, DEBUG ONLY)

-d --defaults
Return the system to hardware defaults

-h --help
Returns this

-v --version Version

EXAMPLES


intel_gpu_frequency -gmin,cur
Get the current and minimum frequency

intel_gpu_frequency -s 400
Lock frequency to 400Mhz

intel_gpu_frequency -c max=750
Set the max frequency to 750MHz

REPORTING BUGS


Report bugs to https://bugs.freedesktop.org

COPYRIGHT


Copyright (C) 2015 Intel Corporation

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