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School of Computer Science & Engineering
University of New South Wales
Advanced Operating Systems
COMP9242 2002/S2

Next: Issues Up: 10-smp Previous: Schedulability

Sporadic (Non-Periodic) Processes

Use minimum (or average) inter-arrival interval for $T_i$ .

Generally $D_i \ll T_i$ for these.
$T_i$ may be irrelevant.
Use rather than for priority assignment:
- Deadline-monotonic priority ordering (DMPO).

Note:

soft

hard

real-time guarantees

average

minimal

inter-arrival times.

See e.g.,[BW96] for more.

Gernot Heiser 2002-10-11

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