On 23/05/18 17:43, Joel Sherrill wrote:
Hi
Looking at the list of schedulers available in confdefs.h based on the
following comment block:
* - CONFIGURE_SCHEDULER_PRIORITY - Deterministic Priority Scheduler
* - CONFIGURE_SCHEDULER_PRIORITY_SMP - Deterministic Priority SMP
Scheduler
* - CONFIGURE_SCHEDULER_PRIORITY_AFFINITY_SMP - Deterministic
* Priority SMP Affinity Scheduler
* - CONFIGURE_SCHEDULER_STRONG_APA - Strong APA Scheduler
* - CONFIGURE_SCHEDULER_SIMPLE - Light-weight Priority Scheduler
* - CONFIGURE_SCHEDULER_SIMPLE_SMP - Simple SMP Priority Scheduler
* - CONFIGURE_SCHEDULER_EDF - EDF Scheduler
* - CONFIGURE_SCHEDULER_EDF_SMP - EDF SMP Scheduler
* - CONFIGURE_SCHEDULER_CBS - CBS Scheduler
* - CONFIGURE_SCHEDULER_USER - user provided scheduler
*
I don't think Strong APA is documented in configuring a system or
scheduler concepts. Arbitrary Priority is used as the name.
I suspect most of the information is here but there is some naming
inconsistency and APA as an acronym or the configure_xxx constant
is not documented.
The scheduler configured with CONFIGURE_SCHEDULER_STRONG_APA has only a
stub implementation. It should not be used.
--
Sebastian Huber, embedded brains GmbH
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