Ubuntu's Real-Time Kernel Approaching GA Status

Written by Michael Larabel in Ubuntu on 10 January 2023 at 10:50 AM EST. 50 Comments
Last year with the release of Ubuntu 22.04 LTS there was a beta real-time kernel offering from Canonical.

Since then Canonical has continued to provide this real-time (RT) kernel option to those part of the Ubuntu Advantage / Ubuntu Pro program but haven't really heard more from their RT kernel offering past that point.

A year later, Canonical is preparing to promote their real-time kernel to general availability (GA) status. Canonical tweeted out today that they are "soon approaching the general availability of Ubuntu with real-time kernel."

Even when the RT kernel reaches GA, it looks it will remain part of the Ubuntu Pro / Ubuntu Advantage portfolio, which is at least free for personal use.

Meanwhile the upstream RT patch series is almost over the finish line. One of the last known blockers still being tackled was around the console support, but hopefully this year the RT kernel support will be fully mainlined upstream and in turn making it much easier for Linux distributions to offer real-time kernel flavors. The out-of-tree RT patches haven't been updated since the end of November but for those interested can be found via linux-rt-devel.git if wanting to spin your own RT kernel.
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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 20,000 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, LinkedIn, or contacted via MichaelLarabel.com.

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