
powertop attempt to load some kernel modules like msr by calling modprobe. This is the counterpart to 88e43eb39bcda5f8fdf41d566bc6799596177cd0 which has the powertop executable search PATH for modprobe rather than hardcoding /sbin, and actually adds the directory containing modprobe to its PATH for the systemd service.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.