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Thursday, May 22 • 3:00pm - 3:50pm
Evaluation of Real-time Property in Embedded Linux - Hiraku Toyooka, Hitachi

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Linux has already been used in real-time systems. Current mainline Linux supports a variety of real-time features such as deterministic scheduling, kernel preemption, high-resolution timer and IRQ thread. In addition, we can get more deterministic behavior by using PREEMPT_RT patch set. To benefit from those features, we need to pay attention to many kernel configurations, use of appropriate APIs and hardware settings. In this presentation, I will talk about how to enable those real-time features and how to evaluate real-time performance by tools such as rt-tests or by your own program. I will also show measurement results in some ARM Cortex-A boards.

Speakers
HT

Hiraku Toyooka, Hitachi

Software Engineer, Hitachi
Hiraku Toyooka is a Software Engineer who has been working at Hitachi since 2010. His current working area is industrial control systems. He developed "snapshot" interface for ftrace which was merged into Linux 3.9. He has made presentations about ftrace enhancement (LinuxCon Japan 2012) and software-based logical partitioning (LinuxCon Japan 2013).


Thursday May 22, 2014 3:00pm - 3:50pm
Neptune

Attendees (12)