Powertop 2.0: Saving power under Linux
Powertop, a tool for detecting power wasters under Linux, is about to make a generational jump: version 2.0 provides improved diagnostic options and a redesigned user interface. It also offers a simple, manual way of enabling numerous power-saving features that can noticeably extend the battery life of notebooks.
Currently available as <a rel="external" href="http://www.kernel.org/pub/linux/status/powertop/" target="_blank">beta version 1.98</a>, Powertop 2.0 <a rel="external" href="http://thread.gmane.org/gmane.linux.power-management.lesswatts.general/592" target="_blank">is nearing completion</a>. The second generation Linux program for tracking down power wasters has been largely rewritten. Developer Arjan van de Ven explains the reasons for the rewrite in his <a rel="external" href="http://thread.gmane.org/gmane.linux.power-management.lesswatts.general/487" target="_blank">release email</a> for the first beta, which was released at the beginning of the year: the codebase for the first generation of Powertop had grown rather out of hand after many new features were added.
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