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(** * Rate-Monotonic Fixed-Priority Policy *)(** We define the notion of rate-monotonic task priorities for sporadic tasks, i.e., the classic FP policy in which sporadic tasks are prioritized in order of their minimum inter-arrival times (or periods). *)
The default value for instance locality is currently
"local"in a section and"global" otherwise, but is
scheduled to changein a future release. For the time
being, adding instances outside of sections without
specifying an explicit locality attribute is therefore
deprecated. It is recommended to use "export" whenever
possible. Use the attributes #[local], #[global] and
#[export] depending on your choice. For example:
"#[export] Instance Foo : Bar := baz."
[deprecated-instance-without-locality,deprecated]
(** In this section, we prove a few basic properties of the RM policy. *)SectionProperties.(** Consider sporadic tasks... *)Context {Task : TaskType}.Context `{SporadicModel Task}.(** ...and jobs stemming from these tasks. *)Context {Job : JobType}.Context `{JobTask Job Task}.(** RM is reflexive. *)
bymove=> t j1 j2; apply leq_total.Qed.EndProperties.(** We add the above lemmas into a "Hint Database" basic_facts, so Coq will be able to apply them automatically. *)GlobalHint Resolve
RM_is_reflexive
RM_is_transitive
RM_is_total
: basic_facts.