IDLE power optimizations are pretty low on my list when I look for an SBS/SOC, I must admit. Do you have a list of remaining, large deficits in Linux power man

IDLE power optimizations are pretty low on my list when I look for an SBS/SOC, I must admit. Do you have a list of remaining, large deficits in Linux power management, because I'm not finding many urgent open issues in that area?