Original: https://github.com/Ziyann/omap/commit/c620fdb741eaec1776e3e84e88e2676002901b14#diff-8c7dd8e4cfe1fc68bfa8a575b8ad1dfaR1829
" prctl: adds PR_SET_TIMERSLACK_PID for setting timer slack of an arbitrary thread." from Ruchi Kandoi