Intel P-State Gets More Cleanups & Optimizations
Written by Michael Larabel in Intel on 28 March 2017 at 07:29 AM EDT. 26 Comments
INTEL --
Last week I wrote about Intel's Rafael Wysocki working on P-State improvements for Linux 4.12 and today he has published yet more clean-up and optimization patches for this Intel CPU frequency scaling driver alternative to ACPI CPUfreq.

On Monday, Rafael published another patch series for tuning P-State. This latest set of 16 patches is about further clean-ups and optimizations to the P-State scaling driver. The changes this round are aiming to reduce the overhead of this driver.

Those interested in testing can grab the latest patches here. It will be interesting to do a P-State vs. ACPI CPUFreq driver comparison and different governor tests when Linux 4.12 rolls around -- hopefully all of these P-State changes allow it to be in better shape.

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Michael Larabel is the principal author of Phoronix.com 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 OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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