Realtime Ubuntu launched

Canonical has announcedthe general availability of a realtime variant of its distribution.

Based on the 5.15 version of the Linux kernel, Ubuntu 22.04 LTSintegrates the out-of-tree PREEMPT_RT patches for x86 and Armarchitectures. The PREEMPT_RT patchset reduces the kernel latenciesas required by the most exacting workloads, helping to ensuretime-predictable task execution. Meeting stringent determinismrequirements and upper-bounding execution time, Ubuntu withPREEMPT_RT makes the kernel more preemptive than mainline Linux.