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Re: how to implement EDF scheduling in eCos


Sorry, my question was continuation to the topic here
http://sourceware.org/ml/ecos-discuss/2005-10/msg00159.html

2010/1/8 Nodir Kodirov <nodir.qodirov@gmail.com>:
> Hello all,
>
> I am going to implement EDF (Earliest Deadline First) scheduling
> algorithm in eCos. I had a survey of mailing list and I found very
> useful tips?here
> http://sourceware.org/ml/ecos-discuss/2005-10/msg00209.html and here
> http://sourceware.org/ml/ecos-discuss/2005-11/msg00059.html. However,
> I did not find any evidence about successful completion of
> implementation.
>
> My approach is adding two more additional fields to thread's
> properties. Those are:
> cyg_tick_count_t wcet /*worst case execution time*/
> cyg_tick_count_t deadline /* absolute deadline thread to be finished */
>
> Currently, I don't need TCP/IP and I don't use POSIX. It has been 5
> years, since these question was aroused. So, my question to those
> people who has already tried implementation is: do you see any errors
> in my approach?
>
> Regards,
> Nodir.
>

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