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