GSOC SMP Global_EDF Project Final Report

Sree Harsha Konduri sreehars at
Wed Sep 25 05:43:32 UTC 2013


With the hard pencil down dates up, I would like to submit my report for
the Global_EDF Scheduler that i have worked on over the summer.
First, it has been great pleasure to be a part of the RTEMS Project, and to
be able to work on this project. My blog post can be found at

Also i created a github fork of rtems and my code can be found on the
globaledf branch at

Work Done:
- Submitted a design for the G-EDF Scheduler.
- Created a running model for the G-EDF Scheduler which works for aperiodic
- Implemented the smp locking mechanism for the ready queue operations.
- Sent out a patch containing scheduler
Future Work:
- Enhance and improve the scheduler to run periodic and aperiodic tasks.
- To be able to provide fine grained locking support to assist the giant
lock currently available for smp.

I would like to express my thanks to  Gedare Bloom for guiding me at every
step and taking time to correct me repeatedly over the summer. I would also
like to thank Joel, Sebastian , Chris and everyone in the RTEMS community.
I would like to continue to put my best efforts towards RTEMS.

Thanks and Regards,
Sree Harsha Konduri
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