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authorSebastian Huber <sebastian.huber@embedded-brains.de>2017-06-30 15:06:21 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2017-06-30 15:06:21 +0200
commit8cf3d75a92b42ba8891c693ede8ea3c3a4290dee (patch)
tree6678b19bc98caa842dc3a324845667801f801d1e
parent4e85468773a6c92346024a07602022b13ef22b01 (diff)
downloadrtems-docs-8cf3d75a92b42ba8891c693ede8ea3c3a4290dee.tar.bz2
c-user: Document EDF SMP
Close #3056.
-rw-r--r--c-user/configuring_a_system.rst27
-rw-r--r--c-user/scheduling_concepts.rst7
2 files changed, 34 insertions, 0 deletions
diff --git a/c-user/configuring_a_system.rst b/c-user/configuring_a_system.rst
index 71c5c71..17c8a85 100644
--- a/c-user/configuring_a_system.rst
+++ b/c-user/configuring_a_system.rst
@@ -3795,6 +3795,33 @@ DESCRIPTION:
NOTES:
None.
+.. COMMENT: === CONFIGURE_SCHEDULER_EDF_SMP ===
+
+.. _Use Earliest Deadline First SMP Scheduler:
+
+Use Earliest Deadline First Scheduler
+-------------------------------------
+.. index:: CONFIGURE_SCHEDULER_EDF_SMP
+
+CONSTANT:
+ ``CONFIGURE_SCHEDULER_EDF_SMP``
+
+DATA TYPE:
+ Boolean feature macro.
+
+RANGE:
+ Defined or undefined.
+
+DEFAULT VALUE:
+ This is not defined by default.
+
+DESCRIPTION:
+ If defined, then the Earliest Deadline First (EDF) SMP Scheduler is
+ selected as the default scheduler.
+
+NOTES:
+ None.
+
.. COMMENT: === CONFIGURE_SCHEDULER_CBS ===
.. _Use Constant Bandwidth Server Scheduler:
diff --git a/c-user/scheduling_concepts.rst b/c-user/scheduling_concepts.rst
index cea863d..7a77a33 100644
--- a/c-user/scheduling_concepts.rst
+++ b/c-user/scheduling_concepts.rst
@@ -183,6 +183,13 @@ period, it has to be finished until the end of this period. The call of
deadline. Moreover, the ``rtems_rate_monotonic_cancel`` and
``rtems_rate_monotonic_delete`` calls clear the deadlines assigned to the task.
+Earliest Deadline First SMP Scheduler
+-------------------------------------
+
+An EDF scheduler with SMP support. The processors managed by this scheduler
+are allocated to the highest priority (earliest deadline) tasks which are ready
+to execute.
+
Constant Bandwidth Server Scheduling (CBS)
------------------------------------------
.. index:: constant bandwidth server scheduling