AboutWelcome to Free Software Daily (FSD). FSD is a hub for news and articles by and for the free and open source community. FSD is a community driven site where members of the community submit and vote for the stories that they think are important and interesting to them. Click the "About" link to read more...
This three-part series is your starting point for tuning your system for power efficiency. In Part 1, get up to speed on the components and concepts you need to fine-tune a Linux-based System x server for power efficiency.
To help Linux users reduce their power usage, a handy little tool called PowerTop has been created. This application will show you the software components that are preventing optimal usage of your hardware and make suggestions for both hardware and software configurations to reduce power consumption.
"With all the tickless and other goodies going into the kernel in the last few months, there is a lot of hope that this helps Linux reduce power consumption," Arjan van de Ven began on the lkml, "and the good news is that it does...
In Q4'07 we had looked at Ubuntu's power consumption with all of their Linux releases going back to Ubuntu 5.04. While Linux has improved in recent years when it comes to power efficiency and optimizations, more processes running on the desktop had canceled out any real power improvements.
This three-part series is your starting point for tuning your system for power efficiency. In Part 3, the author compares the performance of the five in-kernel governors in both tuned and untuned states to show you how to optimize a Linux-based System x server.
In Part 3, the author compares the performance of the five in-kernel governors in both tuned and untuned states to show you how to optimize a Linux-based System x server.
Power management on computers has three parts: selecting devices that are more power-efficient, tuning your systems to run more efficiently, and configuring systems to use less power during periods of inactivity. Servers, desktop machines, and laptops usually need different power management schemes; there isn't a one-size-fits-all.
In the ongoing effort to reduce the power consumption of the linux kernel [story] and take better advantage of the tickless kernel patch [story], Stephen Hemminger posted a patch to make it possible to unload the keyboard blink driver, "the blink driver wakes up every jiffy which wastes power unnecessarily"
