The sys-power category contains software which handles power management, including CPU frequency scaling tools.
| acpi | Displays information about ACPI devices |
|---|---|
| acpi_call | A kernel module that enables you to call ACPI methods |
| acpid | Daemon for Advanced Configuration and Power Interface |
| acpilight | Replacement for xbacklight that uses the ACPI interface to set brightness |
| acpitool | A small command line application, intended to be a replacement for the apm tool |
| apcupsd | APC UPS daemon with integrated tcp/ip remote shutdown |
| athcool | small utility to toggle Powersaving mode for AMD Athlon/Duron processors |
| bbswitch | Toggle discrete NVIDIA Optimus graphics card |
| cpupower | Shows and sets processor power related values |
| hibernate-script | Hibernate script supporting multiple suspend methods |
| iasl | Intel ACPI Source Language (ASL) compiler |
| ncpufreqd | Daemon controlling CPU speed and temperature |
| nut | Network-UPS Tools |
| nvclock | NVIDIA Overclocking Utility |
| nvram-reboot | PowerOff Boot-Images for nvram-wakeup (not needed for GRUB) |
| nvram-wakeup | read and write the WakeUp time in the BIOS |
| phc-intel | Processor Hardware Control for Intel CPUs |
| phc-k8 | Processor Hardware Control for AMD K8 CPUs |
| phctool | Processor Hardware Control userland configuration tool |
| pm-quirks | Video Quirks database for pm-utils |
| pm-utils | Suspend and hibernation utilities |
| pmtools | Collection of tools for ACPI and power management |
| powermgmt-base | Script to test whether computer is running on AC power |
| powernowd | Daemon to control the speed and voltage of CPUs |
| powerstat | Laptop power measuring tool |
| powertop | tool that helps you find what software is using the most power |
| sispmctl | GEMBIRD SiS-PM control utility |
| suspend | Userspace Software Suspend and S2Ram |
| thermald | Thermal daemon for Intel architectures |
| upower | D-Bus abstraction for enumerating power devices, querying history and statistics |
| upower-pm-utils | The upstream upower 0.9 git branch for use with sys-power/pm-utils |