RTEMS support

Gedare Bloom gedare at rtems.org
Mon Mar 26 18:57:18 UTC 2012


On Mon, Mar 26, 2012 at 2:33 PM, Thomas Doerfler
<Thomas.Doerfler at embedded-brains.de> wrote:
> Vai,
>
> the doc page you have found is the right starting point. Actually RTEMS
> has no rate monotonic scheduler, but an API to create and use a rate
> monotonic timer.
>
> In a task, you can create a rate monotonic timer and, in a loop, wake up
> when it expires. After it expired, your task will wake up again and can
> perform the next program loop. Then again it can wait for the timer to
> expire the next time.
>
See also testsuites/sptests/sp20 for an example using the RM
scheduling policy. RM uses regular fixed-priority scheduling and the
rate monotonic manager provides a way to handle periodic tasks.

> wkr,
>
> Thomas.
>
>
> Am 26.03.2012 20:23, schrieb vai bas:
>> Dear developers and users,
>>
>>
>>                I really need some more explanation. Is there
>> Rate-Monotonic Scheduling policy in RTEMS? If there is RMS scheduling
>> policy then how can i invoke
>> this? http://www.rtems.org/onlinedocs/doxygen/cpukit/html/group__ClassicRateMon.html
>> I found some API here but no where I found about the support in
>> scheduling policy. Make me cleare about it please.
>>
>>
>>
>>
>>
>>
>>
>> Best regards
>> Vai
>>
>>
>>
>>
>>
>> _______________________________________________
>> rtems-users mailing list
>> rtems-users at rtems.org
>> http://www.rtems.org/mailman/listinfo/rtems-users
>
>
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