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Power Optimization Linux

Cursor blink off

Blinking cursur uses an interupt and increased power usage.There are 2 options to turn this off:

1. Framebuffer configuration

# echo 0 > /sys/class/graphics/fbcon/cursor_blink

This command can be executed on startup by adding the command to a systemd unit. It can be included in the powertop optimatization service (“powersave.service”).

2. Kernel parameter

Setting Kernel parameter vt.global_cursor_default=0

# nano /etc/default/grub

Add vt.global_cursor_default=0 to the following line in:
GRUB_CMDLINE_LINUX_DEFAULT="quiet vt.global_cursor_default=0"

Update grub and reboot
# update-grub