The Impact Of A Tickless Kernel

Posted by phoronix on Feb 25, 2007 3:04 AM EDT
Phoronix; By Michael Larabel 		Mail this story
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In this article we will be looking at the impact of CONFIG_NO_HZ/Dynamic Ticks, which will be found in the Linux 2.6.21 kernel. The option has been available as a patch for quite a while, but not until Linux 2.6.21-rc1 had it been merged into the upstream kernel. When enabled, there will only be timer ticks when they are needed. The end-user benefit is cooler-running processors and increased power savings. We have investigated this change with a notebook and desktop computer.

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