/etc/tmpfiles.d

/etc/tmpfiles.d $ cat optimized.conf
w /sys/kernel/debug/vgaswitcheroo/switch - - - - IGD
w /sys/kernel/debug/vgaswitcheroo/switch - - - - OFF

w /sys/class/drm/card0/device/power_profile - - - - low
w /sys/class/drm/card0/device/power_method - - - - dynpm

w /sys/devices/system/cpu/cpu[0-3]/cpufreq/scaling_governor - - - - ondemand
w /sys/devices/system/cpu/cpufreq/ondemand/up_threshold - - - - 85
w /sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor - - - - 20

w /sys/module/snd_hda_intel/parameters/power_save - - - - 1

w /sys/kernel/mm/transparent_hugepage/enabled - - - - madvise
w /sys/kernel/mm/transparent_hugepage/defrag - - - - madvise
w /sys/kernel/mm/transparent_hugepage/khugepaged/defrag - - - - 0