intel_reg_read
reads hardware registers from Intel GPUs
TLDR
Read specific register
$ sudo intel_reg_read [0x70000]
Read multiple registers$ sudo intel_reg_read [0x70000] [0x70004]
Read with decode$ sudo intel_reg_read -d [0x70000]
Dump register range$ sudo intel_reg_read --all
SYNOPSIS
intel_reg_read [options] register...
DESCRIPTION
intel_reg_read reads hardware registers from Intel GPUs. It provides direct access to GPU configuration registers.
The tool can decode register bits into meaningful fields. Essential for low-level hardware debugging and driver development.
PARAMETERS
REGISTER
Register address in hex.-d
Decode register bits.--all
Dump all known registers.--help
Display help information.
CAVEATS
Intel graphics only. Requires root. Can affect system stability. Part of intel-gpu-tools.
HISTORY
intelregread is part of intel-gpu-tools, created for Intel graphics driver development and debugging.
SEE ALSO
intel_reg_write(1), intel_gtt(1), intel_gpu_top(1)