# allow MPD to use real-time priority 50LimitRTPRIO=50LimitRTTIME=-1# move MPD to a top-level cgroup, as real-time budget assignment fails# in cgroup /system/mpd.service, because /system has a zero real-time# budget; see# http://www.freedesktop.org/wiki/Software/systemd/MyServiceCantGetRealtime/ControlGroup=cpu:/mpd# assign a real-time budgetControlGroupAttribute=cpu.rt_runtime_us 500000