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Tuesday, November 6 • 11:05am - 11:50am
Understanding PREEMPT_RT (The Real-Time Patch) - Steven Rostedt, Red Hat

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The real-time patch (which provides CONFIG_PREEMPT_RT), has been around since 2005. Started by Ingo Molnar and maintained by Thomas Gleixner and several others, it has grown from a hobby RTOS into a very serious contender. Several distributions (Red Hat, SuSE, Debian, Ubuntu) supply a kernel version that includes this patch. The embedded world has started adding the -rt patch to their own devices that they ship. But do the embedded developers understand what the -rt patch supplies? Programming for real time, and especially when writing kernel code requires special knowledge to avoid real time traps. This talk will explain what the real time patch provides and special programming tips that will ensure embedded developers will get the best from their devices.

Speakers
SR

Steven Rostedt

Red Hat
Steven Rostedt has been working with the Linux kernel since 2001. He currently works for Red Hat working in their Messaging Real-time Grid (MRG) division. He created and maintains Ftrace, the official Linux kernel tracer, and is the current real-time kernel stable maintainer.

Tuesday November 6, 2012 11:05am - 11:50am
Rubi

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