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March 12-14, 2018 - Portland, OR
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Tuesday, March 13 • 2:00pm - 2:50pm
Maintaining a Real Time Stable Kernel - Steven Rostedt, VMware

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It wont be much longer before the PREEMPT_RT patch makes it into mainline. But what about supporting it for your devices? Maintaining a RT stable tree is a bit different than maintaining a normal vanilla stable tree. One must understand how the Real Time kernel works, and be able to spot changes that can cause priority inversion, or simply break the kernel. There is now an effort to have multiple people maintain various versions of Linux with the RT patch applied. This talk will present what is required to maintain a stable RT tree, such as tools that you can use. What tricks can be done with git to find properly backport patches that are RT specific. It will also cover the current tests that are performed to make sure the released RT stable kernel is fully functional.

Speakers
avatar for Steven Rostedt

Steven Rostedt

Open Source Engineer, VMware, Inc
Steven started working on the Linux kernel in 1998, and become a professional (paid) kernel developer in 2001. He's one of the original authors of the PREEMPT_RT patch, that turns Linux into a hard real-time OS, and is also the original creator and current maintainer of Ftrace, the... Read More →



Tuesday March 13, 2018 2:00pm - 2:50pm
Pavilion East