powertop
Posted: 05 Jun 2011, 19:54
I use powertop to look what is going on with power on my computer and I have some suggestions from powertop what to do to save some energy.
It would be a good idea to insert it in distribution.
for example:
Suggestion: Enable USB autosuspend for non-input devices by pressing the U key
Suggestion: Enable the CONFIG_PM_RUNTIME kernel configuration option.
This option enables the kernel to manage power for various devices in your compu
ter.
Suggestion: Enable the CONFIG_NO_HZ kernel configuration option.
This option is required to get any kind of longer sleep times in the CPU.
Suggestion: Enable the CONFIG_PCIEASPM kernel configuration option.
PCI Link Powermanagement (ASPM) allows the hardware to go to low power mode
automatically when a PCI-E device is idle.
It would be a good idea to insert it in distribution.
for example:
Suggestion: Enable USB autosuspend for non-input devices by pressing the U key
Suggestion: Enable the CONFIG_PM_RUNTIME kernel configuration option.
This option enables the kernel to manage power for various devices in your compu
ter.
Suggestion: Enable the CONFIG_NO_HZ kernel configuration option.
This option is required to get any kind of longer sleep times in the CPU.
Suggestion: Enable the CONFIG_PCIEASPM kernel configuration option.
PCI Link Powermanagement (ASPM) allows the hardware to go to low power mode
automatically when a PCI-E device is idle.