Package: syslinux-common
Version: 2:3.71+dfsg-5

I noticed this issue when booting qemu using PXE, from a server
passing out pxelinux and vesamenu boot images.  The qemu process of
the client would use 100% CPU on the host machine while displaying the
menu, even if no key events were processed.  The qemu instance running
the PXE server on the other hand only spend 3-8 % CPU on the host
machine.

It would be great if the pxelinux/vesamenu code was changed to use
less CPU resource for displaying the menu.  The use case I have in
mind is a classroom of computers being started using PXE and waiting
in the menu for users to select which system too start.  It would
waste quite a lot of power which would be better spent elsewhere.
Perhaps the even loop in the menu can be rewritten to use some idle
opcodes to save some watts?

Happy hacking,
-- 
Petter Reinholdtsen



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