5.4 A system contains the following periodic tasks: T1 = (5, 1), T2 = (7, 1, 9), T3 = (10, 3), and
T4 = (35, 7).
(a) If the frame size constraint (5-1) is ignored, what are the possible frame sizes?
(b) Use the largest frame size you have found in part (a), draw the network-flow graph of the
system.
(c) Find a cyclic schedule by solving the network-flow problem in part (b) or show that the
system cannot be feasibly scheduled according to a cyclic schedule of the frame size used in
part (b).