Require Import prosa.classic.util.all.
Require Import prosa.classic.model.priority.
Require Import
Require Import
Require Import
From mathcomp Require Import ssreflect ssrbool eqtype ssrnat seq fintype bigop.

Module InterferenceBoundFP.

  Import ScheduleWithJitter WorkloadBoundJitter Priority Interference.
  Export InterferenceBoundJitter.

    Section Definitions.

    Context {sporadic_task: eqType}.
    Variable task_cost: sporadic_task time.
    Variable task_period: sporadic_task time.
    Variable task_deadline: sporadic_task time.
    Variable task_jitter: sporadic_task time.

    (* Let tsk be the task to be analyzed. *)
    Variable tsk: sporadic_task.

    Let task_with_response_time := (sporadic_task × time)%type.

    (* Assume a known response-time bound for each interfering task ... *)
    Variable R_prev: seq task_with_response_time.

    (* ... and an interval length delta. *)
    Variable delta: time.

    (* Assume an FP policy. *)
    Variable higher_eq_priority: FP_policy sporadic_task.

    (* Recall the interference bound. *)
    Let total_interference_bound := interference_bound_generic task_cost task_period task_jitter tsk delta.

    (* The total interference incurred by tsk is bounded by the sum
       of individual task interferences. *)

    Definition total_interference_bound_fp :=
      \sum_((tsk_other, R_other) <- R_prev)
         total_interference_bound (tsk_other, R_other).

  End Definitions.

End InterferenceBoundFP.