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Friday, May 31 • 12:00pm - 12:50pm
OSEK/VDX over Linux - Naohiko Shimizu, Tokai University

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Real-time performance of Linux have been improved. But I have investigated on embedded Linux applications and found that some applications which were migrated from existing real-time OS use tasks as subroutines and caused performance problems. In addition, migration of existing applications to Linux is a little harder if the API is not POSIX. In this presentation, I will present on OSEK/VDX over Linux for migrating existing embedded applications and/or training on embedded applications. The task switching performance will be very important on migrations. Therefore, I used micro task switching method in a process. I used open source OSEK/VDX implementation and implement some additional futures. The task switching time, the signal to task raise time and the interrupt to task raise time are evaluated on proposed system versus bare Linux.


Naohiko Shimizu

Professor, Tokai University
1985 Master of Engineering from Sophia University Japan. | 1985 to 1994 Mainframes and parallel super computer design engineer at Hitachi Ltd. | 1994 Ph.D. from Sophia University Japan. | 1995 to now Tokai University, professor. | In '90s I was involved in Linux Super Page project for high performance memory system. | I have experienced over 30 speaking in international or domestic conferences. | Now my main concern is design methodology... Read More →

Friday May 31, 2013 12:00pm - 12:50pm

Attendees (3)