[heavily inspired by lwn.net thread, particularly, by this]
/etc/sysctl.conf:
kernel.sched_latency_ns = 2000000 kernel.sched_wakeup_granularity_ns = 4000000 kernel.sched_min_granularity_ns = 1000000
/etc/rc.local (temporarily), requires debugfs mounted:
echo “NO_NEW_FAIR_SLEEPERS” > /sys/kernel/debug/sched_features