There's an interesting Stack Overflow question/answers: https://askubuntu.com/q/126664 https://askubuntu.com/q/126664. In general terms, one either just instal

There's an interesting Stack Overflow question/answers: https://askubuntu.com/q/126664 https://askubuntu.com/q/126664. In general terms, one either just installs the specifically recompiled package (-preempt, -lowlatency etc.), or recompiles their own. The related parameters can't be enabled, because they're chosen as kernel configuration, and compiled in. I'd take such changes with a big grain of salt, because they're very much subject to perceptive bias.