Awkward Linux Power Management With Xen
Written by Michael Larabel in Software on 21 November 2011. Page 6 of 6. 7 Comments

Adding in some results on this system from OpenSSL, the Xen mode -- like the C-Ray results -- were faster. It was an 18% improvement in performance.

For both of the tested kernels, this ThinkPad W510 notebook was consuming 24% more power when the kernel was booted to handle Xen virtualization.

These results are quite strange, but match what was reported in the Phoronix Forums.

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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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