Solved Assignment - Real-Time Systems | COSC 6384, Assignments of Computer Science

Material Type: Assignment; Class: Real-Time Systems; Subject: (Computer Science); University: University of Houston; Term: Spring 2009;

Typology: Assignments

Pre 2010

Uploaded on 08/18/2009

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Questionl0
Determine whether there is a feasible schedule for the following set of periodic
processes. Ifyes, show the schedule and the steps used to derive it.
T1: cl1:2,c12:1, cl3:4,dl: 17, pl :18
T2: c21 :1, c22:2, d2:6,p2:6
T3:c3:1,d3:p3:18
T1 must rendezvous with T2 after the first, second, and third scheduling blocks.
T2 must rendezvous with T1 after the first scheduling block.
S" ['.t ion ]]E ----&
\-
- >l I
- i tz3
atl-F --J (*t
Lc rn =18
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4,,'(
R*ur*"L J*J[r** I
4,, = lJ
A', : t?
4,, : 17.
d't : 6
drr 3 ,3
J,r =4
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I
dn :- l8
St!,.J^l .
J"; tJ'*: le
A* =rf
o['e = l8
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J,,
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t)
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tl
:-Q
tl* tasl.t tf+t tlst n$ I r lr
fevise"t" Ano,A[ ) n* s ]n b rr l- l

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Questionl0 Determine whether there is a feasible schedule for the following set of periodic

processes. Ifyes, show the schedule and the steps used to derive it.

T2:T1: cl1:2,c12:1,c21 :1,^ c22:2,^ d2:6,p2:6cl3:4,dl:^ 17,^ pl^ : T3:c3:1,d3:p3: T1 T2 mustmust rendezvousrendezvous withwith^ T2 afterT1 after^ thethe^ first,first scheduling block.second,^ and^ third^ scheduling blocks.

S" ['.t ion^ ]

]E ----&

  • l^ -^ I

  • i^ tz3atl-F^ --J^ (*t

Lc rn^ = or;61,^^l J^J^ Ir"^ g^ ]

Rur"L JJ[r*^ I

4,, = lJ

A', :^ t?

4,, :^ 17.

d't :^6

drr 3 , J,r (^) =

,Ltr I I^5

dn :-^ l St!,.J^l.

J"; t^ J'*:^ le

A* (^) =rf

o['e = l

*L,r b^ rJ J'f,: (^) tB

J,rrI

J,,

/,* :

J's '

J'u e^ tl

t)

)l

tl :-Q

tl* tasl.t^ tf+t^ tlst^ n$^ fevise"t"^ I^ Ano,A[r^ lr^ )^ n*^ s ]n^ €b^ rr^ €l-^ l