[Bug 1502613] Re: [Feature Request] Battery Status / Virtual Battery

[Philippe Mathieu-Daudé]

This is an automated cleanup. This bug report has been moved to QEMU's
new bug tracker on gitlab.com and thus gets marked as 'invalid' now.
Please continue with the discussion here:

 https://gitlab.com/qemu-project/qemu/-/issues/242


** Changed in: qemu
       Status: New => Invalid

** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #242
   https://gitlab.com/qemu-project/qemu/-/issues/242

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https://bugs.launchpad.net/bugs/1502613

Title:
  [Feature Request] Battery Status / Virtual Battery

Status in QEMU:
  Invalid

Bug description:
  When using virtualization on notebooks heavily then virtual machines
  do not realize that they're running on a notebook device causing high
  power consumption because they're not switching into a optimized
  "laptop mode". This leads to the circumstance that they are trying to
  do things like defragmentation / virtus scan / etc. while the host is
  still running on batteries.

  So it would be great if QEMU / KVM would have support for emulating
  "Virtual Batteries" to guests causing them to enable power-saving
  options like disabling specific services / devices / file operations
  automatically by OS.

  Optionally a great feature would be to set virtual battery's status
  manually. For example: Current charge rate / charging / discharging /
  ...

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