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2010

Scheduling of hard real-time garbage collection

8 years 3 months ago
Scheduling of hard real-time garbage collection
Automatic memory management or garbage collection greatly simplifies development of large systems. However, garbage collection is usually not used in real-time systems due to the unpredictable temporal behavior of current implementations of a garbage collector. In this paper we propose a real-time garbage collector that can be scheduled like a normal real-time thread with a deadline monotonic assigned priority. We provide an upper bound for the collector period so that the application threads will never run out of memory. Furthermore, we show that the restricted execution model of the Safety Critical Java standard simplifies root scanning and reduces copying of static data. Our proposal has been implemented and evaluated in the context of the Java processor JOP. Keywords Real-Time Systems
Martin Schoeberl
Added 21 May 2011
Updated 21 May 2011
Type Journal
Year 2010
Where RTS
Authors Martin Schoeberl
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