Dependencies

TLP depends on (or conflicts with) the tools described below. They should be implemented as package dependencies.

Package tlp

acpi-call - obsolete [starting with 1.7]

External kernel module that became obsolete with kernel 5.17.

auto-cpufreq - conflicts

A power management tool that essentially works on the same tunables as TLP.

awk, grep, sed - mandatory

TLP is tested with the GNU version of these essential utilities. Your mileage with other implementations may vary.

Note

Due to a lack of information on test coverage, it is not known whether Busybox is suitable as a complete replacement. Compatibility with portable flock will be achieved with version 1.7 (see PR #740).

ethtool - optional

Used to disable Wake-on-LAN.

hdparm - mandatory

Needed for hard disk advanced power management (APM) and to show information in tlp-stat -d.

iw - mandatory

Needed for Wi-Fi power save, replaces deprecated iwconfig (see wireless-tools below).

laptop-mode-tools - conflicts

A power management tool that essentially works on the same tunables as TLP.

pciutils - mandatory

Provides lspci used to show PCI(e) devices in tlp-stat -e.

power-profiles-daemon - conflicts

power-profiles-daemon manages the following subset of TLP’s tunables:

• AMDGPU_ABM_LEVEL_ON_AC/BAT (activated in default.conf)

• CPU_ENERGY_PERF_POLICY_ON_AC/BAT (activated in default.conf)

• CPU_BOOST_ON_AC/BAT

• PLATFORM_PROFILE_ON_AC/BAT

Much more serious is that power-profiles-daemon.service breaks the activation of TLP’s settings at boot time by preventing the start of tlp.service:

Conflicts= ... tlp.service ...

Masking or disabling power-profiles-daemon.service is not a viable alternative, as it breaks powerprofilesctl and desktop components using it.

Conclusion: this can only be reliably prevented by not installing power-profiles-daemon and tlp at the same time.

Important

Make sure that adding the conflict to a tlp distribution package does not unintentionally uninstall essential desktop packages. If necessary, their dependencies on power-profiles-daemon must be changed to optional.

See also

• Issue #564

• Bug 2028701

rfkill - mandatory

Needed for switching radio devices on and off.

smartmontools - optional

Provides smartctl used to show hard disk drive SMART data in tlp-stat -d.

tuned - conflicts

A power management tool that essentially works on the same tunables as TLP.

tp-smapi - optional

External kernel modules providing battery charge thresholds and recalibration for ThinkPads before model year 2011 as well as specific tlp-stat -b output until model year 2011. See Lenovo/IBM legacy ThinkPads.

Note

• Required for the specified hardware only, do not implement as hard dependency but as suggestion

• The implementation of the package depends considerably on the target distribution and therein on the kernel variant

udev - mandatory

Needed for event handling (see Architecture) and providing udevadm.

usbutils - mandatory

Provides lsusb used to show USB devices in tlp-stat -u.

util-linux - mandatory

Provides flock and dmesg (for tlp-stat -w).

Note

Due to a lack of information on test coverage, it is not known whether Busybox is suitable as a complete replacement. Compatibility with portable flock will be achieved with version 1.7 (see PR #740).

x86_energy_perf_policy - obsolete [starting with 1.7]

Tool for setting the energy performance bias (EPB). Became obsolete with kernel 5.2.

Package tlp-rdw

tlp - mandatory

Provides libraries tlp-func-base and func.d/*.

network-manager - mandatory

Used to hook ifup/ifdown events and to determine the corresponding interface type LAN/Wi-Fi/WWAN.