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Wednesday, September 18 • 10:50am - 11:40am
Using PREEMPT_RT Linux, More Than Just the Kernel - Steven Rostedt, Red Hat

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There are a few flavors of real-time Linux out in the world. One of the most popular is the PREEMPT_RT kernel, which is slowly making its way into mainline Linux. In the past, I have given presentations describing what PREEMPT_RT does to Linux to make it real-time. But using PREEMPT_RT, you need to know a lot more than just the kernel. A real-time OS requires understanding everything from the hardware you use, the kernel, as well as the applications that sit on top. This talk will be a crash course into how to set up your environment using PREEMPT_RT Linux, explaining things like priorities for interrupts, how softirq's are done, using the priority inheritance mutexes, and other techniques required to avoid the gotcha's that real-time can get you with.

avatar for Steven Rostedt

Steven Rostedt

Principal Software Engineer, Red Hat Inc
Steven Rostedt works for Red Hat and is the main developer for their Real Time kernel. Steven is the maintainer of the Real-Time stable releases. He works upstream mainly developing and maintaining ftrace (the official tracer of the Linux kernel). He also maintains trace-cmd and kernelshark... Read More →

Wednesday September 18, 2013 10:50am - 11:40am
Celestin B

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