Configuration: a dual-socket 2.13 GHz Quad-Core Intel® Xeon® processor with 4GB RAM
Kernel Power Performance Trend
This graph shows the power performance trend of the latest mainline kernel.
Power Saving Features
The following graph shows the saving in power by employing various power saving features in the Linux development kernel.
Tickless - This feature allows enable the CPU not to be woken up only when necessary instead of at regular interval. It can be enabled by enabling CONFIG_NO_HZ in kernel configuration during compile time.
Scheduler Power Saving Mode - This feature allows the scheduler in the kernel to consolidate various processes onto similar CPU packages to save power.
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